[mini] Add skeleton WebAssembly mini backend. It's not functional and some code needs...
[mono.git] / configure.ac
1 # Process this file with autoconf to produce a configure script.
2 #AC_PREREQ([2.62])
3
4 AC_INIT(mono, [5.7.0],
5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
6
7 AC_CONFIG_SRCDIR([README.md])
8 AC_CONFIG_MACRO_DIR([m4])
9 AC_CANONICAL_SYSTEM
10 AC_CANONICAL_HOST
11
12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
13 # The extra brackets are to foil regex-based scans.
14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
15
16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects]
17                  m4_esyscmd([case `automake --version | head -n 1` in    # parallel-tests is default in automake 1.13+, we need to explicitly enable it
18                              *1.11*|*1.12*) echo parallel-tests;;        # for 1.11 and 1.12 but not below as those versions don't recognize the flag
19                              esac]))                                     # TODO: remove this hack once we require automake 1.11+
20
21 AC_CONFIG_HEADERS([config.h])
22 AM_MAINTAINER_MODE
23
24 API_VER=2.0
25 AC_SUBST(API_VER)
26
27 AC_PROG_LN_S
28
29 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
30
31 MONO_VERSION_MAJOR=`echo $VERSION | cut -d . -f 1`
32 MONO_VERSION_MINOR=`echo $VERSION | cut -d . -f 2`
33 MONO_VERSION_BUILD=`echo $VERSION | cut -d . -f 3`
34
35 # This is the version number of the corlib-runtime interface. When
36 # making changes to this interface (by changing the layout
37 # of classes the runtime knows about, changing icall signature or
38 # semantics etc), increment this variable.
39 #
40 # This can be reset to 0 when Mono's version number is bumped
41 # since it's part of the corlib version (the prefix '1' in the full
42 # version number is to ensure the number isn't treated as octal in C)
43 MONO_CORLIB_COUNTER=0
44 MONO_CORLIB_VERSION=`printf "1%02d%02d%02d%03d" $MONO_VERSION_MAJOR $MONO_VERSION_MINOR $MONO_VERSION_BUILD $MONO_CORLIB_COUNTER`
45
46 AC_DEFINE_UNQUOTED(MONO_CORLIB_VERSION,$MONO_CORLIB_VERSION,[Version of the corlib-runtime interface])
47 AC_SUBST(MONO_CORLIB_VERSION)
48
49 case $host_os in
50 *cygwin* )
51                  echo "Run configure using ./configure --host=i686-pc-mingw32"
52                  exit 1
53 esac
54
55 # In case of cygwin, override LN_S, irrespective of what it determines.
56 # The build uses cygwin, but the actual runtime doesn't.
57 case $host_os in
58 *cygwin* ) LN_S='cp -p';;
59 esac
60
61 #
62 # libgc defaults
63 #
64 libgc_configure_args=
65
66 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
67 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
68 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
69 CFLAGS_FOR_LIBGC=$CFLAGS
70 CPPFLAGS_FOR_BTLS=$CPPFLAGS
71 CFLAGS_FOR_BTLS=$CFLAGS
72
73 # libgc uses some deprecated APIs
74 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
75
76 #
77 # These are the flags that need to be stored in the mono.pc file for 
78 # compiling code that will embed Mono
79 #
80 libmono_cflags=""
81 libmono_ldflags=""
82 AC_SUBST(libmono_cflags)
83 AC_SUBST(libmono_ldflags)
84
85 # Variable to have relocatable .pc files (lib, or lib64)
86 # realpath isn't always available, and requires that all but the tip of the provided
87 # path exists. Fall back to the old behaviour, but realpath allows depth >1
88 # e.g. Debian puts Mono in /usr/bin and libs in /usr/lib/x86_64-linux-gnu/ which is
89 # too deep for the old method to work
90 reloc_libdir=`realpath --relative-to=${prefix} ${libdir} 2> /dev/null || basename ${libdir}`
91 AC_SUBST(reloc_libdir)
92
93 # Set to yes if Unix sockets cannot be created in an anonymous namespace
94 need_link_unlink=no
95
96 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
97 extra_runtime_ldflags=""
98
99
100 # Hack for WASM
101 # Current autotools (v1.15) doesn't have a triplet we can use for wasm so the kludge we do is to
102 # work around it by using a feature flag instead
103 AC_ARG_ENABLE(wasm,[  --enable-wasm     Hack to set the current runtime to target wasm], enable_wasm=$enableval)
104
105 # Thread configuration inspired by sleepycat's db
106 AC_MSG_CHECKING([host platform characteristics])
107
108 libgc_threads=no
109 has_dtrace=no
110 parallel_mark=yes
111 ikvm_native=yes
112
113 host_win32=no
114 target_win32=no
115 platform_android=no
116 host_darwin=no
117
118
119 if test "x$enable_wasm" = "xyes"; then
120 CFLAGS="$CFLAGS -D_REENTRANT -D_GNU_SOURCE -DNO_UNALIGNED_ACCESS -s WASM=1 -DWASM -Os"
121 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DUSE_MMAP -D_GNU_SOURCE -DNO_UNALIGNED_ACCESS -s WASM=1 -DWASM -Os"
122 libdl="-ldl"
123 libgc_threads=pthreads
124
125 else
126
127 case "$host" in
128         *-mingw*|*-*-cygwin*)
129                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
130                 AC_DEFINE(HOST_NO_SYMLINKS,1,[This platform does not support symlinks])
131                 host_win32=yes
132                 mono_cv_clang=no
133                 if test "x$cross_compiling" = "xno"; then
134                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
135                                 target_win32=yes
136                         fi
137                 else
138                         if test "x$host" = "x$target"; then
139                                 target_win32=yes
140                         fi
141                 fi
142                 HOST_CC="gcc"
143                 # Windows Vista or later is required
144                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
145                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
146                 libmono_cflags="-mms-bitfields -mwindows"
147                 libmono_ldflags="-mms-bitfields -mwindows"
148                 libdl=
149                 libgc_threads=win32
150                 with_sigaltstack=no
151                 with_tls=pthread
152                 with_sgen_default_concurrent=yes
153                 LN_S=cp
154                 # This forces libgc to use the DllMain based thread registration code on win32
155                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
156                 ;;
157         *-*-*netbsd*)
158                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
159                 libmono_cflags="-D_REENTRANT"
160                 LDFLAGS="$LDFLAGS -pthread"
161                 CPPFLAGS="$CPPFLAGS -DHOST_BSD"
162                 libmono_ldflags="-pthread"
163                 need_link_unlink=yes
164                 libdl="-ldl"
165                 libgc_threads=pthreads
166                 with_sigaltstack=no
167                 use_sigposix=yes
168                 with_sgen_default_concurrent=yes
169                 ;;
170         *-*-kfreebsd*-gnu)
171                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
172                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
173                 libmono_ldflags="-lpthread -pthread"
174                 libdl="-ldl"
175                 libgc_threads=pthreads
176                 need_link_unlink=yes
177                 with_sigaltstack=no
178                 use_sigposix=yes
179                 with_sgen_default_concurrent=yes
180                 ;;
181         *-*-*freebsd*)
182                 if test "x$PTHREAD_CFLAGS" = "x"; then
183                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
184                         libmono_cflags=
185                 else
186                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
187                         libmono_cflags="$PTHREAD_CFLAGS"
188                 fi
189                 if test "x$PTHREAD_LIBS" = "x"; then
190                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
191                         libmono_ldflags="-pthread"
192                 else
193                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
194                         libmono_ldflags="$PTHREAD_LIBS"
195                 fi
196                 CPPFLAGS="$CPPFLAGS -DHOST_BSD"
197                 need_link_unlink=yes
198                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
199                 libdl=
200                 libgc_threads=pthreads
201                 use_sigposix=yes
202                 has_dtrace=yes
203                 with_sgen_default_concurrent=yes
204                 ;;
205         *-*-*openbsd*)
206                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DHOST_BSD -D_REENTRANT -DUSE_MMAP"
207                 if test "x$disable_munmap" != "xyes"; then
208                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
209                 fi
210                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
211                 LDFLAGS="$LDFLAGS -pthread"
212                 need_link_unlink=yes
213                 AC_DEFINE(PTHREAD_POINTER_ID)
214                 libdl=
215                 libgc_threads=pthreads
216                 with_sigaltstack=no
217                 use_sigposix=yes
218                 with_sgen_default_concurrent=yes
219                 ;;
220         *-*-linux-android*)
221                 platform_android=yes
222                 AC_DEFINE(HOST_ANDROID,1,[Targeting the Android platform])
223                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
224
225                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
226                 if test "x$disable_munmap" != "xyes"; then
227                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
228                 fi
229                 libmono_cflags="-D_REENTRANT"
230                 libdl="-ldl"
231                 libgc_threads=pthreads
232                 use_sigposix=yes
233
234                 with_tls=pthread
235                 with_sigaltstack=no
236                 with_static_mono=no
237
238                 # Android doesn't support boehm, as it's missing <link.h>
239                 support_boehm=no
240                 with_gc=sgen
241
242                 # isinf(3) requires -lm; see isinf check below
243                 LDFLAGS="$LDFLAGS -lm"
244
245                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
246                 # PAGE_SIZE; breaks mono/io-layer/collection.c
247                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
248                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
249                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
250
251                 # to bypass the underscore linker check, can't work when cross-compiling
252                 mono_cv_uscore=yes
253                 mono_cv_clang=no
254                 ;;
255         *-*-linux*)
256                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
257                 if test "x$disable_munmap" != "xyes"; then
258                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
259                 fi
260                 libmono_cflags="-D_REENTRANT"
261                 libdl="-ldl"
262                 libgc_threads=pthreads
263                 use_sigposix=yes
264                 if test "x$cross_compiling" != "xno"; then
265                         # to bypass the underscore linker check, not
266                         # available during cross-compilation
267                         mono_cv_uscore=no
268                 fi
269                 case "$host" in
270                 aarch64-*)
271                         support_boehm=no
272                         with_gc=sgen
273                         ;;
274                 powerpc*-*-linux*)
275                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
276                         disable_munmap=yes
277                         ;;
278                 esac
279                 with_sgen_default_concurrent=yes
280                 ;;
281         *-*-nacl*)
282                 echo "nacl no longer supported."
283                 exit 1
284                 ;;
285         *-*-hpux*)
286                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
287                 # +ESdbgasm only valid on bundled cc on RISC
288                 # silently ignored for ia64
289                 if test $GCC != "yes"; then
290                         CFLAGS="$CFLAGS +ESdbgasm"
291                         # Arrange for run-time dereferencing of null
292                         # pointers to produce a SIGSEGV signal.
293                         LDFLAGS="$LDFLAGS -z"
294                 fi
295                 CFLAGS="$CFLAGS +ESdbgasm"
296                 LDFLAGS="$LDFLAGS -z"
297                 libmono_cflags="-D_REENTRANT"
298                 libmono_ldflags="-lpthread"
299                 libgc_threads=pthreads
300                 need_link_unlink=yes
301                 use_sigposix=yes
302                 ;;
303         *-*-solaris*)
304                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DHOST_SOLARIS"
305                 need_link_unlink=yes
306                 libmono_cflags="-D_REENTRANT"
307                 libgc_threads=pthreads
308                 has_dtrace=yes
309                 use_sigposix=yes
310                 enable_solaris_tar_check=yes
311                 ;;
312         *-*-darwin*)
313                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
314                 host_darwin=yes
315                 target_mach=yes
316                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DUSE_MMAP -DUSE_MUNMAP"
317                 libmono_cflags="-D_THREAD_SAFE"
318                 need_link_unlink=yes
319                 AC_DEFINE(PTHREAD_POINTER_ID)
320                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
321                 libdl=
322                 libgc_threads=pthreads
323                 has_dtrace=yes
324                 if test "x$cross_compiling" = "xyes"; then
325                         has_broken_apple_cpp=yes
326                 fi
327                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
328                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
329                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
330                 case "$host" in
331                         dnl Snow Leopard and newer config.guess reports as this
332                         i*86-*-darwin*)
333                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
334                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
335                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
336                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
337                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
338                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
339                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
340                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
341                                 with_sgen_default_concurrent=yes
342                                 ;;
343                         x*64-*-darwin*)
344                                 with_sgen_default_concurrent=yes
345                                 ;;
346                         arm*-darwin*)
347                                 has_dtrace=no
348                                 ;;                      
349                 esac
350                 ;;
351         *-*-haiku*)
352                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
353                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
354                 libdl=
355                 LIBS="$LIBS -lnetwork -ltextencoding"
356                 need_link_unlink=yes
357                 AC_DEFINE(PTHREAD_POINTER_ID)
358                 dnl Haiku does not support static TLS with __thread
359                 with_tls=pthread
360                 dnl Boehm is too much work to backport Haiku support for
361                 support_boehm=no
362                 libgc_threads=pthreads
363                 use_sigposix=yes
364                 ;;
365         *)
366                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
367                 libdl="-ldl"
368                 ;;
369 esac
370
371 # WASM hack
372 fi
373
374 AC_MSG_RESULT(ok)
375
376 if test x$need_link_unlink = xyes; then
377    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
378 fi
379
380 if test x$host_win32 = xyes; then
381    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
382 fi
383
384 if test x$target_win32 = xyes; then
385    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
386 fi
387
388 if test x$host_darwin = xyes; then
389    AC_DEFINE(HOST_DARWIN, 1, [Host Platform is Darwin])
390 fi
391
392 # Defined for all targets/platforms using classic Windows API support.
393 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
394 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
395
396 AC_SUBST(extra_runtime_ldflags)
397 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
398 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
399 AM_CONDITIONAL(HOST_LINUX, echo x$target_os | grep -q linux)
400 AM_CONDITIONAL(HOST_DARWIN, test x$host_darwin = xyes)
401 AM_CONDITIONAL(HOST_SIGPOSIX, test x$use_sigposix = xyes)
402 AM_CONDITIONAL(HOST_ANDROID, test x$platform_android = xyes)
403
404 if test -z "$HOST_DARWIN_TRUE"; then :
405 PLATFORM_AOT_SUFFIX=.dylib
406 fi
407
408 if test -z "$HOST_LINUX_TRUE"; then :
409 PLATFORM_AOT_SUFFIX=.so
410 fi
411
412 if test -z "$HOST_WIN32_TRUE"; then :
413 PLATFORM_AOT_SUFFIX=.dll
414 fi
415
416 AC_SUBST(PLATFORM_AOT_SUFFIX)
417
418 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
419
420 AC_CHECK_TOOL(CC, gcc, gcc)
421 AC_PROG_CC
422 AC_CHECK_TOOL(CXX, g++, g++)
423 AC_PROG_CXX
424 AM_PROG_AS
425 AC_PROG_INSTALL
426 AC_PROG_AWK
427 AM_PROG_CC_C_O
428 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
429 : ${CCAS='$(CC)'}
430 # Set ASFLAGS if not already set.
431 : ${CCASFLAGS='$(CFLAGS)'}
432 AC_SUBST(CCAS)
433 AC_SUBST(CCASFLAGS)
434
435 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
436 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
437 if test "x$CXX" = "xg++"; then
438         if test "x$GXX" != "xyes"; then
439                 # automake/libtool is so broken, it requires g++ even if the c++ sources
440                 # are inside automake conditionals
441                 AC_MSG_ERROR([You need to install g++])
442         fi
443 fi
444
445 dnl may require a specific autoconf version
446 dnl AC_PROG_CC_FOR_BUILD
447 dnl CC_FOR_BUILD not automatically detected
448 CC_FOR_BUILD=$CC
449 CFLAGS_FOR_BUILD=$CFLAGS
450 BUILD_EXEEXT=
451 if test "x$cross_compiling" = "xyes"; then
452         CC_FOR_BUILD=cc
453         CFLAGS_FOR_BUILD=
454         BUILD_EXEEXT=""
455 fi
456 AC_SUBST(CC_FOR_BUILD)
457 AC_SUBST(CFLAGS_FOR_BUILD)
458 AC_SUBST(HOST_CC)
459 AC_SUBST(BUILD_EXEEXT)
460
461 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
462 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
463
464 # Set STDC_HEADERS
465 AC_HEADER_STDC
466 AC_LIBTOOL_WIN32_DLL
467 # This causes monodis to not link correctly
468 #AC_DISABLE_FAST_INSTALL
469
470 #lookup makedev() header
471 AC_HEADER_MAJOR
472
473 AM_PROG_LIBTOOL
474 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
475 DOLT
476
477 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
478 AC_SUBST(export_ldflags)
479
480 # Test whenever ld supports -version-script
481 AC_PROG_LD
482 AC_PROG_LD_GNU
483
484 AM_ICONV()
485
486 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h sys/utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h sys/uio.h sys/param.h sys/sysctl.h libproc.h sys/prctl.h)
487 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h sys/inotify.h arpa/inet.h complex.h unwind.h)
488 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
489                   [], [], [#include <stddef.h>
490                   #include <sys/socket.h>
491                   #include <linux/socket.h>])
492
493 AC_CHECK_HEADERS(sys/user.h, [], [],
494 [
495 #ifdef HAVE_SYS_PARAM_H
496 # include <sys/param.h>
497 #endif
498 ])
499
500 AC_CHECK_HEADERS(linux/serial.h)
501
502 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
503 if test x$have_zlib = xyes; then
504    AC_TRY_COMPILE([#include <zlib.h>], [
505    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
506    return 0;
507    #else
508    #error No good zlib found
509    #endif
510    ],[
511         AC_MSG_RESULT(Using system zlib)
512         zlib_msg="system zlib"
513         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
514    ],[
515         AC_MSG_RESULT(Using embedded zlib)
516         have_zlib=no
517         zlib_msg="bundled zlib"
518    ])
519 fi
520
521 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
522 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
523
524 # for mono/metadata/debug-symfile.c
525 AC_CHECK_HEADERS(elf.h)
526
527 # for support
528 AC_CHECK_HEADERS(poll.h)
529 AC_CHECK_HEADERS(sys/poll.h)
530 AC_CHECK_HEADERS(sys/wait.h)
531 AC_CHECK_HEADERS(grp.h)
532 AC_CHECK_HEADERS(syslog.h)
533
534 # for mono/dis
535 AC_CHECK_HEADERS(wchar.h)
536 AC_CHECK_HEADERS(ieeefp.h)
537 AC_MSG_CHECKING(for isinf)
538 AC_TRY_LINK([#include <math.h>], [
539         int f = isinf (1.0);
540 ], [
541         AC_MSG_RESULT(yes)
542         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
543 ], [
544         # We'll have to use signals
545         AC_MSG_RESULT(no)
546 ])
547 # mingw
548 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
549         AC_TRY_LINK([#include <math.h>], 
550         [ _finite(0.0); ], 
551         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
552         AC_MSG_RESULT(no)))
553
554 # for Linux statfs support
555 AC_CHECK_HEADERS(linux/magic.h)
556
557 # not 64 bit clean in cross-compile
558 AC_CHECK_SIZEOF(void *, 4)
559
560 AC_CACHE_CHECK([for clang],
561         mono_cv_clang,[
562         AC_TRY_COMPILE([], [
563                 #ifdef __clang__
564                 #else
565                 #error "FAILED"
566                 #endif
567                 return 0;
568         ],
569         [mono_cv_clang=yes],
570         [mono_cv_clang=no],
571         [])
572 ])
573
574 AC_ARG_ENABLE(visibility-hidden,
575 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
576    disable_visibility_hidden=yes, disable_visibility_hidden=no)
577
578 WARN=''
579 if test x"$GCC" = xyes; then
580         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes -Wno-format-zero-length'
581
582                 # We require C99 with some GNU extensions, e.g. `linux` macro
583                 CFLAGS="$CFLAGS -std=gnu99"
584
585                 # The runtime code does not respect ANSI C strict aliasing rules
586                 CFLAGS="$CFLAGS -fno-strict-aliasing"
587
588                 # We rely on signed overflow to behave
589                 CFLAGS="$CFLAGS -fwrapv"
590
591                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
592                 if test x"$disable_visibility_hidden" = xno; then
593                    # Don't export any symbols by default
594                    SHARED_CFLAGS="-fvisibility=hidden"
595                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
596                 fi
597
598                 ORIG_CFLAGS=$CFLAGS
599                 # Check for the normal version, since gcc ignores unknown -Wno options
600                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
601                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
602                 AC_TRY_COMPILE([],[
603                                 return 0;
604                 ], [
605                    AC_MSG_RESULT(yes)
606                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
607                 ], [
608                    AC_MSG_RESULT(no)
609                    CFLAGS=$ORIG_CFLAGS
610                 ])
611
612                 if test "x$mono_cv_clang" = "xyes"; then
613                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
614                    WARN="$WARN -Qunused-arguments"
615                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
616                    # We rely on zero length arrays in structs
617                    WARN="$WARN -Wno-zero-length-array"
618                 fi
619 else
620         # The Sun Forte compiler complains about inline functions that access static variables
621         # so disable all inlining.
622         case "$host" in
623         *-*-solaris*)
624                 CFLAGS="$CFLAGS -Dinline="
625                 ;;
626         esac
627 fi
628 CFLAGS="$CFLAGS -g $WARN"
629 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
630 CPPFLAGS="$CPPFLAGS -g $WARN"
631
632 # Where's the 'mcs' source tree?
633 if test -d $srcdir/mcs; then
634   mcsdir=mcs
635 else
636   mcsdir=../mcs
637 fi
638
639 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
640         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
641                 mcsdir=$with_mcs_path
642         fi
643 )
644
645 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
646
647 #
648 # A sanity check to catch cases where the package was unpacked
649 # with an ancient tar program (Solaris)
650 #
651 AC_ARG_ENABLE(solaris-tar-check,
652 [  --disable-solaris-tar-check    disable solaris tar check],
653    do_solaris_tar_check=no, do_solaris_tar_check=yes)
654
655 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
656         AC_MSG_CHECKING(integrity of package)
657         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
658         then
659                 AC_MSG_RESULT(ok)
660         else
661                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
662                 AC_MSG_ERROR([$errorm])
663         fi
664 fi
665
666 if test "x$with_mcs_path" != "x"; then
667 mcs_topdir=$(cd "$mcsdir" && pwd)
668 mcs_topdir_from_srcdir=$mcs_topdir
669 else
670 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
671 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
672 fi
673
674 # Convert mcs_topdir* paths to Windows syntax.
675 if test x$cross_compiling$host_win32 = xnoyes; then
676   mcs_topdir=$(cygpath -m $mcs_topdir)
677   case $mcs_topdir_from_srcdir in
678     /cygdrive/*)
679         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
680         ;;
681   esac
682 fi
683
684 AC_SUBST([mcs_topdir])
685 AC_SUBST([mcs_topdir_from_srcdir])
686
687 # gettext: prepare the translation directories. 
688 # we do not configure the full gettext, as we consume it dynamically from C#
689 AM_PO_SUBDIRS
690
691 if test "x$USE_NLS" = "xyes"; then
692    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
693
694    if test "x$HAVE_MSGFMT" = "xno"; then
695           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
696    fi
697 fi
698
699 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
700
701 pkg_config_path=
702 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
703         if test x$with_crosspkgdir = "x"; then
704                 if test -s $PKG_CONFIG_PATH; then
705                         pkg_config_path=$PKG_CONFIG_PATH
706                 fi
707         else
708                 pkg_config_path=$with_crosspkgdir
709                 PKG_CONFIG_PATH=$pkg_config_path
710                 export PKG_CONFIG_PATH
711         fi
712 )
713
714 AC_CHECK_PROG(ninja, ninja, yes, no)
715 AM_CONDITIONAL(NINJA, test x$ninja != xno)
716
717 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
718 if test x$werror_flag = xyes; then
719         WERROR_CFLAGS="-Werror"
720 fi
721 AC_SUBST([WERROR_CFLAGS])
722 AC_SUBST([SHARED_CFLAGS])
723
724 GLIB_CFLAGS='-I$(top_srcdir)/mono/eglib -I$(top_builddir)/mono/eglib'
725 GLIB_LIBS='$(top_builddir)/mono/eglib/libeglib.la -lm'
726   
727 AC_SUBST(GLIB_CFLAGS)
728 AC_SUBST(GLIB_LIBS)
729
730 # Enable support for fast thread-local storage
731 # Some systems have broken support, so we allow to disable it.
732 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
733
734 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
735 # This does not work on some platforms (bug #55253)
736 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
737
738 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
739 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
740 # Same as --with-shared_mono=no
741 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
742
743 if test "x$enable_static" = "xno"; then
744    with_static_mono=no
745 fi
746
747 if test "x$enable_shared" = "xno"; then
748    with_shared_mono=no
749 fi
750
751 if test "x$enable_libraries" = "xno"; then
752    with_shared_mono=no
753 fi
754
755 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
756
757 if test "x$host_win32" = "xyes"; then
758    # Boehm GC requires the runtime to be in its own dll
759    with_static_mono=no
760 fi
761
762 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
763 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
764 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
765
766 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
767 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
768         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
769         ORIG_CFLAGS=$CFLAGS
770         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
771         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
772         AC_TRY_COMPILE([], [
773                 return 0;
774         ], [
775            AC_MSG_RESULT(yes)
776            # Pass it to libgc as well
777            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
778         ], [
779            AC_MSG_RESULT(no)
780            CFLAGS=$ORIG_CFLAGS
781         ])
782 fi
783
784 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
785
786 if test x$enable_small_config = xyes; then
787         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
788         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
789 fi
790
791 AC_ARG_ENABLE(system-aot, [  --enable-system-aot  Enable the Ahead-Of-Time compilation of system assemblies during the build (on by default on some platforms)], enable_system_aot=$enableval, enable_system_aot=default)
792
793 DISABLED_FEATURES=none
794 csc_compiler=default
795 endian=unknown
796 AC_C_BIGENDIAN([endian=big],[endian=little],[endian=unknown])
797 AC_MSG_CHECKING([CSharp compiler to use])
798 AC_ARG_WITH(csc, [  --with-csc=mcs,roslyn,default      Configures the CSharp compiler to use],[
799    if test x$withval = xmcs; then
800        csc_compiler=mcs
801    elif test x$withval = xroslyn; then
802        csc_compiler=roslyn
803    elif test x$withval = xdefault; then
804        :
805    else
806        AC_MSG_ERROR([You must supply one of "mcs", "roslyn" or "default" to the --with-csc option])
807    fi
808 ],[csc_compiler=default])
809
810 if test $csc_compiler = default; then
811    if test $endian = big; then
812       csc_compiler=mcs
813    elif test $endian = little; then
814       case "$host" in
815         powerpc*) csc_compiler=mcs ;;
816         *) csc_compiler=roslyn ;;
817       esac
818    else
819       csc_compiler=mcs
820    fi
821 fi
822 AC_MSG_RESULT($csc_compiler)
823
824 #
825 # Set the build profiles and options before things which use them
826 #
827
828 AC_ARG_WITH(profile4_x,          [  --with-profile4_x=yes,no            If you want to install the 4.x FX (defaults to yes)],                       [], [with_profile4_x=default])
829 AC_ARG_WITH(monodroid,           [  --with-monodroid=yes,no             If you want to build the MonoDroid assemblies (defaults to no)],            [], [with_monodroid=default])
830 AC_ARG_WITH(monotouch,           [  --with-monotouch=yes,no             If you want to build the Xamarin.iOS assemblies (defaults to no)],          [], [with_monotouch=default])
831 AC_ARG_WITH(monotouch_watch,     [  --with-monotouch_watch=yes,no       If you want to build the Xamarin.WatchOS assemblies (defaults to no)],      [], [with_monotouch_watch=default])
832 AC_ARG_WITH(monotouch_tv,        [  --with-monotouch_tv=yes,no          If you want to build the Xamarin.TVOS assemblies (defaults to no)],         [], [with_monotouch_tv=default])
833 AC_ARG_WITH(bitcode,             [  --with-bitcode=yes,no               If bitcode is enabled (defaults to no)],                                    [], [with_bitcode=default])
834 AC_ARG_WITH(xammac,              [  --with-xammac=yes,no                If you want to build the Xamarin.Mac assemblies (defaults to no)],          [], [with_xammac=default])
835 AC_ARG_WITH(testing_aot_hybrid,  [  --with-testing_aot_hybrid=yes,no    If you want to build the testing_aot_hybrid assemblies (defaults to no)],   [], [with_testing_aot_hybrid=default])
836 AC_ARG_WITH(testing_aot_full,    [  --with-testing_aot_full=yes,no      If you want to build the testing_aot_full assemblies (defaults to no)],     [], [with_testing_aot_full=default])
837 AC_ARG_WITH(winaot,              [  --with-winaot=yes,no                If you want to build the Windows friendly AOT assemblies (defaults to no)], [], [with_winaot=default])
838 AC_ARG_WITH(orbis,               [  --with-orbis=yes,no                 If you want to build the Orbis assemblies (defaults to no)], [], [with_orbis=default])
839 AC_ARG_WITH(unreal,              [  --with-unreal=yes,no                If you want to build the Unreal assemblies (defaults to no)], [], [with_unreal=default])
840
841
842 AC_ARG_WITH(runtime_preset, [  --with-runtime_preset=net_4_x,all,aot,hybridaot,fullaot,bitcode,unreal   Which default profile to build (defaults to net_4_x)],  [], [with_runtime_preset=net_4_x])
843
844 dnl
845 dnl Profile defaults
846 dnl
847 TEST_PROFILE=default
848 enable_llvm_default=no
849
850 with_profile4_x_default=no
851 with_monodroid_default=no
852 with_monotouch_default=no
853 with_monotouch_watch_default=no
854 with_monotouch_tv_default=no
855 with_xammac_default=no
856 with_testing_aot_hybrid_default=no
857 with_testing_aot_full_default=no
858 with_winaot_default=no
859 with_orbis_default=no
860 with_unreal_default=no
861
862 with_bitcode_default=no
863 with_cooperative_gc_default=no
864
865 INVARIANT_AOT_OPTIONS=nimt-trampolines=2000,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4000
866
867 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
868    DISABLE_MCS_DOCS_default=yes
869 elif test x$with_runtime_preset = xnet_4_x; then
870    with_profile4_x_default=yes
871 elif test x$with_runtime_preset = xall; then
872    with_profile4_x_default=yes
873    with_monodroid_default=yes
874    with_monotouch_default=yes
875    with_monotouch_watch_default=yes
876    with_monotouch_tv_default=yes
877    with_xammac_default=yes
878    with_winaot_default=yes
879    with_orbis_default=yes
880    with_unreal_default=yes
881 elif test x$with_runtime_preset = xfullaot; then
882    DISABLE_MCS_DOCS_default=yes
883    with_testing_aot_full_default=yes
884    TEST_PROFILE=testing_aot_full
885
886    mono_feature_disable_com='yes'
887    mono_feature_disable_remoting='yes'
888    mono_feature_disable_reflection_emit_save='yes'
889    mono_feature_disable_reflection_emit='yes'
890    mono_feature_disable_appdomains='yes'
891
892    AOT_BUILD_FLAGS="--runtime=mobile -O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
893
894    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
895 elif test x$with_runtime_preset = xbitcode; then
896    DISABLE_MCS_DOCS_default=yes
897    with_testing_aot_full_default=yes
898    with_bitcode_default=yes
899    with_cooperative_gc_default=yes
900    TEST_PROFILE=testing_aot_full
901    enable_llvm_default=yes
902
903    mono_feature_disable_com='yes'
904    mono_feature_disable_remoting='yes'
905    mono_feature_disable_reflection_emit_save='yes'
906    mono_feature_disable_reflection_emit='yes'
907    mono_feature_disable_appdomains='yes'
908
909    AOT_BUILD_FLAGS="--runtime=mobile --aot=llvmonly,$INVARIANT_AOT_OPTIONS"
910    AOT_RUN_FLAGS="--runtime=mobile --llvmonly"
911 elif test x$with_runtime_preset = xhybridaot; then
912    DISABLE_MCS_DOCS_default=yes
913    with_testing_aot_hybrid_default=yes
914    TEST_PROFILE=testing_aot_hybrid 
915
916    AOT_BUILD_FLAGS="--runtime=mobile --aot=hybrid,$INVARIANT_AOT_OPTIONS"
917    AOT_RUN_FLAGS="--runtime=mobile --hybrid-aot"
918 elif test x$with_runtime_preset = xaot; then
919    with_profile4_x_default=yes
920
921    AOT_BUILD_FLAGS="--aot=$INVARIANT_AOT_OPTIONS"
922    AOT_RUN_FLAGS=""
923
924    DISABLE_MCS_DOCS_default=yes
925 elif test x$with_runtime_preset = xwinaot; then
926    DISABLE_MCS_DOCS_default=yes
927    with_winaot_default=yes
928    TEST_PROFILE=winaot
929
930    mono_feature_disable_com='yes'
931    mono_feature_disable_remoting='yes'
932    mono_feature_disable_reflection_emit_save='yes'
933    mono_feature_disable_reflection_emit='yes'
934    mono_feature_disable_appdomains='yes'
935
936    AOT_BUILD_FLAGS="--runtime=mobile --aot=full,$INVARIANT_AOT_OPTIONS"
937    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
938 elif test x$with_runtime_preset = xorbis; then
939    DISABLE_MCS_DOCS_default=yes
940    with_orbis_default=yes
941    TEST_PROFILE=orbis
942
943    mono_feature_disable_com='yes'
944    mono_feature_disable_remoting='yes'
945    mono_feature_disable_reflection_emit_save='yes'
946    mono_feature_disable_reflection_emit='yes'
947    mono_feature_disable_appdomains='yes'
948
949    AOT_BUILD_FLAGS="--runtime=mobile --aot=full,$INVARIANT_AOT_OPTIONS"
950    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
951 elif test x$with_runtime_preset = xunreal; then
952    DISABLE_MCS_DOCS_default=yes
953    with_unreal_default=yes
954    TEST_PROFILE=unreal
955
956    mono_feature_disable_com='yes'
957    mono_feature_disable_remoting='yes'
958    mono_feature_disable_appdomains='no'
959
960    AOT_BUILD_FLAGS="--runtime=mobile --aot=hybrid,$INVARIANT_AOT_OPTIONS"
961    AOT_RUN_FLAGS="--runtime=mobile --hybrid-aot"
962 else
963    with_profile4_x_default=yes
964 fi
965
966 if test "x$AOT_BUILD_FLAGS" != "x"; then :
967    AC_SUBST(AOT_BUILD_FLAGS)
968    AC_SUBST(AOT_RUN_FLAGS)
969    # For llvmonlycheck + fullaotcheck
970    AC_SUBST(INVARIANT_AOT_OPTIONS)
971 fi
972
973 AC_SUBST(TEST_PROFILE)
974
975 if test "x$with_profile4_x" = "xdefault"; then
976    with_profile4_x=$with_profile4_x_default
977 fi
978 if test "x$with_monodroid" = "xdefault"; then
979    with_monodroid=$with_monodroid_default
980 fi
981 if test "x$with_monotouch" = "xdefault"; then
982    with_monotouch=$with_monotouch_default
983 fi
984 if test "x$with_monotouch_watch" = "xdefault"; then
985    with_monotouch_watch=$with_monotouch_watch_default
986 fi
987 if test "x$with_monotouch_tv" = "xdefault"; then
988    with_monotouch_tv=$with_monotouch_tv_default
989 fi
990 if test "x$with_bitcode" = "xdefault"; then
991    with_bitcode=$with_bitcode_default
992 fi
993 if test "x$with_xammac" = "xdefault"; then
994    with_xammac=$with_xammac_default
995 fi
996 if test "x$with_testing_aot_hybrid" = "xdefault"; then
997    with_testing_aot_hybrid=$with_testing_aot_hybrid_default
998 fi
999 if test "x$with_testing_aot_full" = "xdefault"; then
1000    with_testing_aot_full=$with_testing_aot_full_default
1001 fi
1002 if test "x$with_winaot" = "xdefault"; then
1003    with_winaot=$with_winaot_default
1004 fi
1005 if test "x$with_orbis" = "xdefault"; then
1006    with_orbis=$with_orbis_default
1007 fi
1008 if test "x$with_unreal" = "xdefault"; then
1009    with_unreal=$with_unreal_default
1010 fi
1011
1012
1013 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
1014 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
1015 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
1016 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
1017 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
1018 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
1019 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
1020 AM_CONDITIONAL(INSTALL_TESTING_AOT_HYBRID, [test "x$with_testing_aot_hybrid" != "xno"])
1021 AM_CONDITIONAL(INSTALL_TESTING_AOT_FULL, [test "x$with_testing_aot_full" != "xno"])
1022 AM_CONDITIONAL(INSTALL_WINAOT, [test "x$with_winaot" != "xno"])
1023 AM_CONDITIONAL(INSTALL_ORBIS, [test "x$with_orbis" != "xno"])
1024 AM_CONDITIONAL(INSTALL_UNREAL, [test "x$with_unreal" != "xno"])
1025 AM_CONDITIONAL(FULL_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_full"] || [test "x$TEST_PROFILE" = "xwinaot"] || [test "x$TEST_PROFILE" = "xorbis"])
1026 AM_CONDITIONAL(HYBRID_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_hybrid"] || [test "x$TEST_PROFILE" = "xunreal"])
1027
1028 default_profile=net_4_x
1029 if test -z "$INSTALL_MONODROID_TRUE"; then :
1030    default_profile=monodroid
1031 fi
1032 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
1033    default_profile=monotouch
1034 fi
1035 if test -z "$INSTALL_XAMMAC_TRUE"; then :
1036    default_profile=xammac
1037 fi
1038 if test -z "$INSTALL_TESTING_AOT_HYBRID_TRUE"; then :
1039    default_profile=testing_aot_hybrid
1040 fi
1041 if test -z "$INSTALL_TESTING_AOT_FULL_TRUE"; then :
1042    default_profile=testing_aot_full
1043 fi
1044 if test -z "$INSTALL_WINAOT_TRUE"; then :
1045    default_profile=winaot
1046 fi
1047 if test -z "$INSTALL_ORBIS_TRUE"; then :
1048    default_profile=orbis
1049 fi
1050 if test -z "$INSTALL_UNREAL_TRUE"; then :
1051    default_profile=unreal
1052 fi
1053 if test -z "$INSTALL_4_x_TRUE"; then :
1054    default_profile=net_4_x
1055 fi
1056 DEFAULT_PROFILE=$default_profile
1057 AC_SUBST(DEFAULT_PROFILE)
1058
1059 #
1060 # End build profile configuration
1061 #
1062
1063 if test x$USE_NLS = xprofile_default; then
1064
1065         AC_MSG_CHECKING([NLS used])
1066
1067         # We make the default value for USE_NLS
1068         # "no" on OSX because it isn't available on most
1069         # default OSX installs. The most common configurations will
1070         # all disable it, so this saves us typing.
1071         if test x$host_darwin = xyes; then
1072                 USE_NLS=no;
1073         else
1074                 USE_NLS=yes;
1075         fi
1076
1077         AC_SUBST([USE_NLS])
1078         AC_MSG_RESULT([$USE_NLS])
1079 fi
1080
1081 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
1082      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
1083      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, desktop_loader, shared_perfcounters, remoting,
1084          security, lldb, mdb, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
1085 [
1086         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
1087                 eval "mono_feature_disable_$feature='yes'"
1088         done
1089         DISABLED_FEATURES=$enable_minimal
1090         disabled="Disabled:      $enable_minimal"
1091 ],[])
1092
1093 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
1094
1095 if test "x$mono_feature_disable_aot" = "xyes"; then
1096         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
1097         enable_system_aot=no
1098         AC_MSG_NOTICE([Disabled AOT compiler])
1099 fi
1100
1101 if test "x$mono_feature_disable_profiler" = "xyes"; then
1102         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
1103         AC_MSG_NOTICE([Disabled support for the profiler])
1104 fi
1105 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
1106
1107 if test "x$mono_feature_disable_decimal" = "xyes"; then
1108         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
1109         AC_MSG_NOTICE([Disabled support for decimal])
1110 fi
1111
1112 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
1113         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
1114         AC_MSG_NOTICE([Disabled support for P/Invoke])
1115 fi
1116
1117 if test "x$mono_feature_disable_debug" = "xyes"; then
1118         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
1119         AC_MSG_NOTICE([Disabled support for runtime debugging])
1120 fi
1121
1122 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
1123         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
1124         mono_feature_disable_reflection_emit_save=yes
1125         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
1126 fi
1127
1128 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
1129         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
1130         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
1131 fi
1132
1133 if test "x$mono_feature_disable_large_code" = "xyes"; then
1134         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1135         AC_MSG_NOTICE([Disabled support for large assemblies])
1136 fi
1137
1138 if test "x$mono_feature_disable_logging" = "xyes"; then
1139         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1140         AC_MSG_NOTICE([Disabled support for logging])
1141 fi
1142
1143 if test "x$mono_feature_disable_com" = "xyes"; then
1144         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1145         AC_MSG_NOTICE([Disabled COM support])
1146 fi
1147
1148 if test "x$mono_feature_disable_ssa" = "xyes"; then
1149         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1150         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1151 fi
1152
1153 if test "x$mono_feature_disable_generics" = "xyes"; then
1154         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1155         AC_MSG_NOTICE([Disabled Generics Support])
1156 fi
1157
1158 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1159         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1160         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1161 fi
1162
1163 if test "x$mono_feature_disable_portability" = "xyes"; then
1164         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1165         AC_MSG_NOTICE([Disabled IO Portability layer])
1166 fi
1167
1168 if test "x$mono_feature_disable_attach" = "xyes"; then
1169         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1170         AC_MSG_NOTICE([Disabled agent attach])
1171 fi
1172
1173 if test "x$mono_feature_disable_verifier" = "xyes"; then
1174         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1175         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1176 fi
1177
1178 if test "x$mono_feature_disable_jit" = "xyes"; then
1179         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1180         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1181 fi
1182
1183 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1184
1185 if test "x$mono_feature_disable_simd" = "xyes"; then
1186         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1187         AC_MSG_NOTICE([Disabled SIMD support])
1188 fi
1189
1190 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1191         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1192         AC_MSG_NOTICE([Disabled Soft Debugger.])
1193 fi
1194
1195 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1196         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1197         AC_MSG_NOTICE([Disabled Performance Counters.])
1198 fi
1199 if test "x$mono_feature_disable_normalization" = "xyes"; then
1200         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1201         AC_MSG_NOTICE([Disabled String normalization support.])
1202 fi
1203
1204 #TODO: remove assembly_remapping feature name once everyone is using desktop_loader
1205 if test "x$mono_feature_disable_assembly_remapping" = "xyes" || test "x$mono_feature_disable_desktop_loader" = "xyes"; then
1206         AC_DEFINE(DISABLE_DESKTOP_LOADER, 1, [Disable desktop assembly loader semantics.])
1207         AC_MSG_NOTICE([Disabled desktop assembly loader semantics.])
1208 fi
1209
1210 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1211         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1212         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1213 fi
1214
1215 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1216         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1217         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1218 fi
1219
1220 if test "x$mono_feature_disable_remoting" = "xyes"; then
1221         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1222         AC_MSG_NOTICE([Disabled remoting])
1223 fi
1224
1225 if test "x$mono_feature_disable_security" = "xyes"; then
1226         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1227         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1228 fi
1229
1230 if test "x$mono_feature_disable_lldb" = "xyes"; then
1231         AC_DEFINE(DISABLE_LLDB, 1, [Disable support code for the LLDB plugin.])
1232         AC_MSG_NOTICE([Disabled LLDB plugin support code.])
1233 fi
1234
1235 if test "x$mono_feature_disable_mdb" = "xyes"; then
1236         AC_DEFINE(DISABLE_MDB, 1, [Disable support for .mdb symbol files.])
1237         AC_MSG_NOTICE([Disabled support for .mdb symbol files.])
1238 fi
1239
1240 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1241         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1242         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1243 fi
1244
1245 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1246         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1247         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1248 fi
1249
1250 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1251         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1252         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1253 fi
1254
1255 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1256         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1257         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1258 fi
1259
1260 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1261         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1262         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1263 fi
1264
1265 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1266 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1267
1268 has_extension_module=no
1269 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1270 [
1271         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1272                 if test x$extension = xdefault ; then
1273                         has_extension_module=yes;
1274                 fi
1275         done
1276         if test x$enable_extension_module = xyes; then
1277                 has_extension_module=yes;
1278         fi
1279 ], [])
1280
1281 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1282
1283 if test x$has_extension_module != xno ; then
1284         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1285         AC_MSG_NOTICE([Enabling mono extension module.])
1286 fi
1287
1288 # Deprecated
1289 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1290
1291 AC_MSG_CHECKING(for visibility __attribute__)
1292 AC_COMPILE_IFELSE([
1293         AC_LANG_SOURCE([[
1294                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1295                 int main () { doit (); return 0; }
1296         ]])
1297 ], [
1298    have_visibility_hidden=yes
1299    AC_MSG_RESULT(yes)
1300 ], [
1301    have_visibility_hidden=no
1302    AC_MSG_RESULT(no)
1303 ])
1304
1305 dnl
1306 dnl Boehm GC configuration
1307 dnl
1308
1309 AC_ARG_WITH(libgc,   [  --with-libgc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_libgc],[libgc=included])
1310
1311 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1312 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1313
1314 if test "x$support_boehm" = "xyes"; then
1315
1316         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1317         if test x$enable_parallel_mark = xyes; then
1318                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1319         fi
1320
1321         gc_msg=""
1322         LIBGC_CPPFLAGS=
1323         LIBGC_LIBS=
1324         LIBGC_STATIC_LIBS=
1325         libgc_dir=
1326         case "x$libgc" in
1327                 xincluded)
1328                         if test "x$support_boehm" = "xyes"; then
1329                                 libgc_dir=libgc
1330                         fi
1331
1332                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1333                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1334                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1335
1336                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1337
1338                         if test x$target_win32 = xyes; then
1339                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1340                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1341                         fi
1342
1343                         gc_msg="Included Boehm GC with typed GC"
1344                         if test x$enable_parallel_mark = xyes; then
1345                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1346                                 gc_msg="$gc_msg and parallel mark"
1347                         else
1348                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1349                         fi
1350                         ;;
1351
1352                 xboehm|xbohem|xyes)
1353                         AC_MSG_WARN("External Boehm is no longer supported")
1354                         ;;
1355
1356                 xsgen)
1357                         AC_MSG_WARN("Use --with-sgen instead, --with-libgc= controls Boehm configuration")
1358                         ;;
1359
1360                 xnone)
1361                         AC_MSG_WARN("Compiling mono without GC.")
1362                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1363                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1364                         gc_msg="none"
1365                         ;;
1366                 *)
1367                         AC_MSG_ERROR([Invalid argument $libgc to --with-libgc.])
1368                         ;;
1369         esac
1370
1371         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1372         if test "x$large_heap" = "xyes"; then
1373            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1374         fi
1375
1376         AC_SUBST(LIBGC_CPPFLAGS)
1377         AC_SUBST(LIBGC_LIBS)
1378         AC_SUBST(LIBGC_STATIC_LIBS)
1379         AC_SUBST(libgc_dir)
1380         AC_SUBST(BOEHM_DEFINES)
1381
1382 fi
1383 AM_CONDITIONAL(SUPPORT_NULLGC, test "x$libgc" = "xnone")
1384
1385 dnl
1386 dnl End of Boehm GC Configuration
1387 dnl
1388
1389 dnl *************************************
1390 dnl *** Checks for zero length arrays ***
1391 dnl *************************************
1392 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1393 AC_TRY_COMPILE([
1394         struct s {
1395                 int  length;
1396                 char data [0];
1397         };
1398 ], [], [
1399         AC_MSG_RESULT(yes)
1400         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1401 ], [
1402         AC_MSG_RESULT(no)
1403         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1404 ])
1405
1406 dnl ***********************************
1407 dnl *** Checks for signals
1408 dnl ***********************************
1409 AC_CHECK_HEADERS(signal.h)
1410 AC_CHECK_FUNCS(sigaction)
1411 AC_CHECK_FUNCS(kill)
1412 AC_CHECK_FUNCS(signal)
1413
1414 # signal() is declared inline in Android headers
1415 # so we need to workaround it by overriding the check.
1416 if test x$platform_android = xyes; then
1417         AC_DEFINE(HAVE_SIGNAL,1)
1418 fi
1419
1420 if test x$host_win32 = xno; then
1421
1422         dnl hires monotonic clock support
1423         AC_SEARCH_LIBS(clock_gettime, rt)
1424         AC_CHECK_FUNCS(clock_nanosleep)
1425
1426         dnl dynamic loader support
1427         AC_CHECK_FUNC(dlopen, DL_LIB="",
1428                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1429         )
1430         if test x$dl_support = xno; then
1431                 AC_MSG_WARN([No dynamic loading support available])
1432         else
1433                 LIBS="$LIBS $DL_LIB"
1434                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1435                 dnl from glib's configure.ac
1436                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1437                         mono_cv_uscore,[
1438                         AC_TRY_RUN([#include <dlfcn.h>
1439                         int mono_underscore_test (void) { return 42; }
1440                         int main() {
1441                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1442                           handle = dlopen ((void*)0, 0);
1443                           if (handle) {
1444                             f1 = dlsym (handle, "mono_underscore_test");
1445                             f2 = dlsym (handle, "_mono_underscore_test");
1446                           } return (!f2 || f1);
1447                         }],
1448                                 [mono_cv_uscore=yes],
1449                                 [mono_cv_uscore=no],
1450                         [])
1451                 ])
1452                 if test "x$mono_cv_uscore" = "xyes"; then
1453                         MONO_DL_NEED_USCORE=1
1454                 else
1455                         MONO_DL_NEED_USCORE=0
1456                 fi
1457                 AC_SUBST(MONO_DL_NEED_USCORE)
1458                 AC_CHECK_FUNC(dlerror)
1459         fi
1460
1461         dnl ******************************************************************
1462         dnl *** Checks for the IKVM JNI interface library                  ***
1463         dnl ******************************************************************
1464         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no      build the IKVM JNI interface library (defaults to yes)],[with_ikvm_native=$withval],[with_ikvm_native=$ikvm_native])
1465
1466         ikvm_native_dir=
1467         if test x$with_ikvm_native = xyes; then
1468                 ikvm_native_dir=ikvm-native
1469                 jdk_headers_found="IKVM Native"
1470         fi
1471
1472         AC_SUBST(ikvm_native_dir)
1473
1474         AC_CHECK_HEADERS(execinfo.h)
1475
1476         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1477
1478         AC_CHECK_FUNCS(getgrgid_r)
1479         AC_CHECK_FUNCS(getgrnam_r)
1480         AC_CHECK_FUNCS(getresuid)
1481         AC_CHECK_FUNCS(setresuid)
1482         AC_CHECK_FUNCS(kqueue)
1483         AC_CHECK_FUNCS(backtrace_symbols)
1484         AC_CHECK_FUNCS(mkstemp)
1485         AC_CHECK_FUNCS(mmap)
1486         AC_CHECK_FUNCS(madvise)
1487         AC_CHECK_FUNCS(getrusage)
1488         AC_CHECK_FUNCS(getpriority)
1489         AC_CHECK_FUNCS(setpriority)
1490         AC_CHECK_FUNCS(dl_iterate_phdr)
1491         AC_CHECK_FUNCS(dladdr)
1492         AC_CHECK_FUNCS(sysconf)
1493         AC_CHECK_FUNCS(getrlimit)
1494         AC_CHECK_FUNCS(prctl)
1495
1496         AC_CHECK_FUNCS(sched_getaffinity)
1497         AC_CHECK_FUNCS(sched_setaffinity)
1498         AC_CHECK_FUNCS(sched_getcpu)
1499
1500         if test x$platform_android != xyes; then
1501                 AC_CHECK_FUNCS(getpwnam_r)
1502                 AC_CHECK_FUNCS(getpwuid_r)
1503         fi
1504
1505         dnl ****************************************************************
1506         dnl *** Check for sched_setaffinity from glibc versions before   ***
1507         dnl *** 2.3.4. The older versions of the function only take 2    ***
1508         dnl *** parameters, not 3.                                       ***
1509         dnl ***                                                          ***
1510         dnl *** Because the interface change was not made in a minor     ***
1511         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1512         dnl *** won't always indicate the interface sched_affinity has.  ***
1513         dnl ****************************************************************
1514         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1515         AC_TRY_COMPILE([#include <sched.h>], [
1516             int mask = 1; 
1517             sched_setaffinity(0, &mask);
1518                         return 0;
1519         ], [
1520                 # Yes, we have it...
1521                 AC_MSG_RESULT(yes)
1522                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1523         ], [
1524                 # We have the new, three-parameter version
1525                 AC_MSG_RESULT(no)
1526         ])
1527         AC_TRY_COMPILE([#include <sched.h>], [
1528              CPU_COUNT((void *) 0);
1529         ], [
1530                 AC_MSG_RESULT(yes)
1531                 AC_DEFINE(GLIBC_HAS_CPU_COUNT, 1, [GLIBC has CPU_COUNT macro in sched.h])
1532         ], [
1533                 # We have the new, three-parameter version
1534                 AC_MSG_RESULT(no)
1535         ])
1536
1537         dnl ******************************************************************
1538         dnl *** Check for large file support                               ***
1539         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1540         dnl ******************************************************************
1541         
1542         # Check that off_t can represent 2**63 - 1 correctly, working around
1543         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1544         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1545         large_offt=no
1546         AC_DEFUN([LARGE_FILES], [
1547                 large_CPPFLAGS=$CPPFLAGS
1548                 CPPFLAGS="$CPPFLAGS $1"
1549                 AC_TRY_COMPILE([
1550                         #include <sys/types.h>
1551                         #include <limits.h>
1552                 ], [
1553                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1554                         #define COMPILE_TIME_ASSERT(pred) \
1555                                 switch(0){case 0:case pred:;}
1556                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1557                 ], [
1558                         AC_MSG_RESULT(ok)
1559                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1560                         large_CPPFLAGS="$large_CPPFLAGS $1"
1561                         large_offt=yes
1562                 ], [
1563                         AC_MSG_RESULT(no)
1564                 ])
1565                 CPPFLAGS=$large_CPPFLAGS
1566         ])
1567
1568         AC_MSG_CHECKING(if off_t is 64 bits wide)
1569         LARGE_FILES("")
1570         if test $large_offt = no; then
1571                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1572                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1573         fi
1574         if test $large_offt = no; then
1575                 AC_MSG_WARN([No 64 bit file size support available])
1576         fi
1577         
1578         dnl *****************************
1579         dnl *** Checks for libsocket  ***
1580         dnl *****************************
1581         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1582
1583         case "$host" in
1584                 *-*-*freebsd*)
1585                         dnl *****************************
1586                         dnl *** Checks for libinotify ***
1587                         dnl *****************************
1588                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1589         esac
1590
1591         dnl *******************************
1592         dnl *** Checks for MSG_NOSIGNAL ***
1593         dnl *******************************
1594         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1595         AC_TRY_COMPILE([#include <sys/socket.h>], [
1596                 int f = MSG_NOSIGNAL;
1597         ], [
1598                 # Yes, we have it...
1599                 AC_MSG_RESULT(yes)
1600                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1601         ], [
1602                 # We'll have to use signals
1603                 AC_MSG_RESULT(no)
1604         ])
1605
1606         dnl *****************************
1607         dnl *** Checks for IPPROTO_IP ***
1608         dnl *****************************
1609         AC_MSG_CHECKING(for IPPROTO_IP)
1610         AC_TRY_COMPILE([#include <netinet/in.h>], [
1611                 int level = IPPROTO_IP;
1612         ], [
1613                 # Yes, we have it...
1614                 AC_MSG_RESULT(yes)
1615                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1616         ], [
1617                 # We'll have to use getprotobyname
1618                 AC_MSG_RESULT(no)
1619         ])
1620
1621         dnl *******************************
1622         dnl *** Checks for IPPROTO_IPV6 ***
1623         dnl *******************************
1624         AC_MSG_CHECKING(for IPPROTO_IPV6)
1625         AC_TRY_COMPILE([#include <netinet/in.h>], [
1626                 int level = IPPROTO_IPV6;
1627         ], [
1628                 # Yes, we have it...
1629                 AC_MSG_RESULT(yes)
1630                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1631         ], [
1632                 # We'll have to use getprotobyname
1633                 AC_MSG_RESULT(no)
1634         ])
1635
1636         dnl ******************************
1637         dnl *** Checks for IPPROTO_TCP ***
1638         dnl ******************************
1639         AC_MSG_CHECKING(for IPPROTO_TCP)
1640         AC_TRY_COMPILE([#include <netinet/in.h>], [
1641                 int level = IPPROTO_TCP;
1642         ], [
1643                 # Yes, we have it...
1644                 AC_MSG_RESULT(yes)
1645                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1646         ], [
1647                 # We'll have to use getprotobyname
1648                 AC_MSG_RESULT(no)
1649         ])
1650
1651         dnl *****************************
1652         dnl *** Checks for SOL_IP     ***
1653         dnl *****************************
1654         AC_MSG_CHECKING(for SOL_IP)
1655         AC_TRY_COMPILE([#include <netdb.h>], [
1656                 int level = SOL_IP;
1657         ], [
1658                 # Yes, we have it...
1659                 AC_MSG_RESULT(yes)
1660                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1661         ], [
1662                 # We'll have to use getprotobyname
1663                 AC_MSG_RESULT(no)
1664         ])
1665
1666         dnl *****************************
1667         dnl *** Checks for SOL_IPV6     ***
1668         dnl *****************************
1669         AC_MSG_CHECKING(for SOL_IPV6)
1670         AC_TRY_COMPILE([#include <netdb.h>], [
1671                 int level = SOL_IPV6;
1672         ], [
1673                 # Yes, we have it...
1674                 AC_MSG_RESULT(yes)
1675                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1676         ], [
1677                 # We'll have to use getprotobyname
1678                 AC_MSG_RESULT(no)
1679         ])
1680
1681         dnl *****************************
1682         dnl *** Checks for SOL_TCP    ***
1683         dnl *****************************
1684         AC_MSG_CHECKING(for SOL_TCP)
1685         AC_TRY_COMPILE([#include <netdb.h>], [
1686                 int level = SOL_TCP;
1687         ], [
1688                 # Yes, we have it...
1689                 AC_MSG_RESULT(yes)
1690                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1691         ], [
1692                 # We'll have to use getprotobyname
1693                 AC_MSG_RESULT(no)
1694         ])
1695
1696         dnl *****************************
1697         dnl *** Checks for IP_PKTINFO ***
1698         dnl *****************************
1699         AC_MSG_CHECKING(for IP_PKTINFO)
1700         AC_TRY_COMPILE([#include <linux/in.h>], [
1701                 int level = IP_PKTINFO;
1702         ], [
1703                 # Yes, we have it...
1704                 AC_MSG_RESULT(yes)
1705                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1706         ], [
1707                 AC_MSG_RESULT(no)
1708         ])
1709
1710         dnl *****************************
1711         dnl *** Checks for IPV6_PKTINFO ***
1712         dnl *****************************
1713         AC_MSG_CHECKING(for IPV6_PKTINFO)
1714         AC_TRY_COMPILE([#include <netdb.h>], [
1715                 int level = IPV6_PKTINFO;
1716         ], [
1717                 # Yes, we have it...
1718                 AC_MSG_RESULT(yes)
1719                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1720         ], [
1721                 AC_MSG_RESULT(no)
1722         ])
1723
1724         dnl **********************************
1725         dnl *** Checks for IP_DONTFRAG     ***
1726         dnl **********************************
1727         AC_MSG_CHECKING(for IP_DONTFRAG)
1728         AC_TRY_COMPILE([#include <netinet/in.h>], [
1729                 int level = IP_DONTFRAG;
1730         ], [
1731                 # Yes, we have it...
1732                 AC_MSG_RESULT(yes)
1733                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1734         ], [
1735                 AC_MSG_RESULT(no)
1736         ])
1737
1738         dnl **********************************
1739         dnl *** Checks for IP_DONTFRAGMENT ***
1740         dnl **********************************
1741         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1742         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1743                 int level = IP_DONTFRAGMENT;
1744         ], [
1745                 # Yes, we have it...
1746                 AC_MSG_RESULT(yes)
1747                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1748         ], [
1749                 AC_MSG_RESULT(no)
1750         ])
1751
1752         dnl **********************************
1753         dnl *** Checks for IP_MTU_DISCOVER ***
1754         dnl **********************************
1755         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1756         AC_TRY_COMPILE([#include <linux/in.h>], [
1757                 int level = IP_MTU_DISCOVER;
1758         ], [
1759                 # Yes, we have it...
1760                 AC_MSG_RESULT(yes)
1761                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1762         ], [
1763                 AC_MSG_RESULT(no)
1764         ])
1765
1766         dnl **********************************
1767         dnl *** Checks for  IP_PMTUDISC_DO ***
1768         dnl **********************************
1769         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1770         AC_TRY_COMPILE([#include <linux/in.h>], [
1771                 int level = IP_PMTUDISC_DO;
1772         ], [
1773                 # Yes, we have it...
1774                 AC_MSG_RESULT(yes)
1775                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1776         ], [
1777                 AC_MSG_RESULT(no)
1778         ])
1779
1780         dnl *********************************
1781         dnl *** Check for struct ip_mreqn ***
1782         dnl *********************************
1783         AC_MSG_CHECKING(for struct ip_mreqn)
1784         AC_TRY_COMPILE([#include <netinet/in.h>], [
1785                 struct ip_mreqn mreq;
1786                 mreq.imr_address.s_addr = 0;
1787         ], [
1788                 # Yes, we have it...
1789                 AC_MSG_RESULT(yes)
1790                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1791         ], [
1792                 # We'll just have to try and use struct ip_mreq
1793                 AC_MSG_RESULT(no)
1794                 AC_MSG_CHECKING(for struct ip_mreq)
1795                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1796                         struct ip_mreq mreq;
1797                         mreq.imr_interface.s_addr = 0;
1798                 ], [
1799                         # Yes, we have it...
1800                         AC_MSG_RESULT(yes)
1801                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1802                 ], [
1803                         # No multicast support
1804                         AC_MSG_RESULT(no)
1805                 ])
1806         ])
1807         
1808         dnl **********************************
1809         dnl *** Check for getaddrinfo ***
1810         dnl **********************************
1811         AC_MSG_CHECKING(for getaddrinfo)
1812                 AC_TRY_LINK([
1813                 #include <stdio.h>
1814                 #include <netdb.h>
1815         ], [
1816                 getaddrinfo(NULL,NULL,NULL,NULL);
1817         ], [
1818                 # Yes, we have it...
1819                 AC_MSG_RESULT(yes)
1820                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1821         ], [
1822                 AC_MSG_RESULT(no)
1823         ])
1824
1825         dnl **********************************
1826         dnl *** Check for gethostbyname2_r ***
1827         dnl **********************************
1828         AC_MSG_CHECKING(for gethostbyname2_r)
1829                 AC_TRY_LINK([
1830                 #include <stdio.h>
1831                 #include <netdb.h>
1832         ], [
1833
1834                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1835         ], [
1836                 # Yes, we have it...
1837                 AC_MSG_RESULT(yes)
1838                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1839         ], [
1840                 AC_MSG_RESULT(no)
1841         ])
1842
1843         dnl **********************************
1844         dnl *** Check for gethostbyname2 ***
1845         dnl **********************************
1846         AC_MSG_CHECKING(for gethostbyname2)
1847                 AC_TRY_LINK([
1848                 #include <stdio.h>
1849                 #include <netdb.h>
1850         ], [
1851                 gethostbyname2(NULL,0);
1852         ], [
1853                 # Yes, we have it...
1854                 AC_MSG_RESULT(yes)
1855                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1856         ], [
1857                 AC_MSG_RESULT(no)
1858         ])
1859
1860         dnl **********************************
1861         dnl *** Check for gethostbyname ***
1862         dnl **********************************
1863         AC_MSG_CHECKING(for gethostbyname)
1864                 AC_TRY_LINK([
1865                 #include <stdio.h>
1866                 #include <netdb.h>
1867         ], [
1868                 gethostbyname(NULL);
1869         ], [
1870                 # Yes, we have it...
1871                 AC_MSG_RESULT(yes)
1872                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1873         ], [
1874                 AC_MSG_RESULT(no)
1875         ])
1876
1877         dnl **********************************
1878         dnl *** Check for getprotobyname ***
1879         dnl **********************************
1880         AC_MSG_CHECKING(for getprotobyname)
1881                 AC_TRY_LINK([
1882                 #include <stdio.h>
1883                 #include <netdb.h>
1884         ], [
1885                 getprotobyname(NULL);
1886         ], [
1887                 # Yes, we have it...
1888                 AC_MSG_RESULT(yes)
1889                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1890         ], [
1891                 AC_MSG_RESULT(no)
1892         ])
1893
1894         dnl **********************************
1895         dnl *** Check for getnameinfo ***
1896         dnl **********************************
1897         AC_MSG_CHECKING(for getnameinfo)
1898                 AC_TRY_LINK([
1899                 #include <stdio.h>
1900                 #include <netdb.h>
1901         ], [
1902                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1903         ], [
1904                 # Yes, we have it...
1905                 AC_MSG_RESULT(yes)
1906                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1907         ], [
1908                 AC_MSG_RESULT(no)
1909         ])
1910
1911
1912         dnl **********************************
1913         dnl *** Check for inet_ntop ***
1914         dnl **********************************
1915         AC_MSG_CHECKING(for inet_ntop)
1916                 AC_TRY_LINK([
1917                 #include <stdio.h>
1918                 #include <arpa/inet.h>
1919         ], [
1920                 inet_ntop (0, NULL, NULL, 0);
1921         ], [
1922                 # Yes, we have it...
1923                 AC_MSG_RESULT(yes)
1924                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1925         ], [
1926                 AC_MSG_RESULT(no)
1927         ])
1928
1929         dnl *****************************
1930         dnl *** Checks for libnsl     ***
1931         dnl *****************************
1932         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1933
1934         AC_CHECK_FUNCS(inet_pton inet_aton)
1935
1936         dnl *****************************
1937         dnl *** Checks for libxnet    ***
1938         dnl *****************************
1939         case "${host}" in
1940                 *solaris* )
1941                         AC_MSG_CHECKING(for Solaris XPG4 support)
1942                         if test -f /usr/lib/libxnet.so; then
1943                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1944                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1945                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1946                                 LIBS="$LIBS -lxnet"
1947                                 AC_MSG_RESULT(yes)
1948                         else
1949                                 AC_MSG_RESULT(no)
1950                         fi
1951
1952                         if test "$GCC" = "yes"; then
1953                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1954                         fi
1955                 ;;
1956         esac
1957
1958         dnl *****************************
1959         dnl *** Checks for libpthread ***
1960         dnl *****************************
1961 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1962 # and libpthread does not exist
1963 #
1964         case "${host}" in
1965                 *-*-*haiku*)
1966                         dnl Haiku has pthread in libroot (libc equiv)
1967                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS")
1968                 ;;
1969                 *-*-*freebsd*)
1970                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1971                 ;;
1972                 *-*-*openbsd*)
1973                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1974                 ;;
1975                 *)
1976                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1977                 ;;
1978         esac
1979         AC_CHECK_HEADERS(pthread.h)
1980         AC_CHECK_HEADERS(pthread_np.h)
1981         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1982         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np pthread_cond_timedwait_relative_np)
1983         AC_CHECK_FUNCS(pthread_kill)
1984         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1985         AC_TRY_COMPILE([ #include <pthread.h>], [
1986                 pthread_mutexattr_t attr;
1987                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1988         ], [
1989                 AC_MSG_RESULT(ok)
1990         ], [
1991                 AC_MSG_RESULT(no)
1992                 AC_ERROR(Posix system lacks support for recursive mutexes)
1993         ])
1994         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1995         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1996         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1997
1998         dnl **********************************
1999         dnl *** Check for mincore ***
2000         dnl **********************************
2001         AC_MSG_CHECKING(for mincore)
2002                 AC_TRY_LINK([
2003                 #include <stdio.h>
2004                 #include <sys/types.h>
2005                 #include <sys/mman.h>
2006         ], [
2007                 mincore(NULL, 0, NULL);
2008         ], [
2009                 # Yes, we have it...
2010                 AC_MSG_RESULT(yes)
2011                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
2012         ], [
2013                 AC_MSG_RESULT(no)
2014         ])
2015
2016         dnl ***********************************
2017         dnl *** Checks for working __thread ***
2018         dnl ***********************************
2019         AC_MSG_CHECKING(for working __thread)
2020         if test "x$with_tls" != "x__thread"; then
2021                 AC_MSG_RESULT(disabled)
2022         elif test "x$cross_compiling" = "xyes"; then
2023                 AC_MSG_RESULT(cross compiling, assuming yes)
2024         else
2025                 AC_TRY_RUN([
2026                         #if defined(__APPLE__) && defined(__clang__)
2027                         #error "__thread does not currently work with clang on Mac OS X"
2028                         #endif
2029                         
2030                         #include <pthread.h>
2031                         __thread int i;
2032                         static int res1, res2;
2033
2034                         void thread_main (void *arg)
2035                         {
2036                                 i = arg;
2037                                 sleep (1);
2038                                 if (arg == 1)
2039                                         res1 = (i == arg);
2040                                 else
2041                                         res2 = (i == arg);
2042                         }
2043
2044                         int main () {
2045                                 pthread_t t1, t2;
2046
2047                                 i = 5;
2048
2049                                 pthread_create (&t1, NULL, thread_main, 1);
2050                                 pthread_create (&t2, NULL, thread_main, 2);
2051
2052                                 pthread_join (t1, NULL);
2053                                 pthread_join (t2, NULL);
2054
2055                                 return !(res1 + res2 == 2);
2056                         }
2057                 ], [
2058                                 AC_MSG_RESULT(yes)
2059                 ], [
2060                                 AC_MSG_RESULT(no)
2061                                 with_tls=pthread
2062                 ])
2063         fi
2064
2065         dnl **************************************
2066         dnl *** Checks for working sigaltstack ***
2067         dnl **************************************
2068         AC_MSG_CHECKING(for working sigaltstack)
2069         if test "x$with_sigaltstack" != "xyes"; then
2070                 AC_MSG_RESULT(disabled)
2071         elif test "x$cross_compiling" = "xyes"; then
2072                 AC_MSG_RESULT(cross compiling, assuming yes)
2073         else
2074                 AC_TRY_RUN([
2075                         #include <stdio.h>
2076                         #include <stdlib.h>
2077                         #include <unistd.h>
2078                         #include <signal.h>
2079                         #include <pthread.h>
2080                         #include <sys/wait.h>
2081                         #if defined(__FreeBSD__) || defined(__NetBSD__)
2082                         #define SA_STACK SA_ONSTACK
2083                         #endif
2084                         static void
2085                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
2086                         {
2087                                 exit (0);
2088                         }
2089
2090                         volatile char*__ptr = NULL;
2091                         static void *
2092                         loop (void *ignored)
2093                         {
2094                                 *__ptr = 0;
2095                                 return NULL;
2096                         }
2097
2098                         static void
2099                         child ()
2100                         {
2101                                 struct sigaction sa;
2102                         #ifdef __APPLE__
2103                                 stack_t sas;
2104                         #else
2105                                 struct sigaltstack sas;
2106                         #endif
2107                                 pthread_t id;
2108                                 pthread_attr_t attr;
2109
2110                                 sa.sa_sigaction = sigsegv_signal_handler;
2111                                 sigemptyset (&sa.sa_mask);
2112                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
2113                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
2114                                         perror ("sigaction");
2115                                         return;
2116                                 }
2117
2118                                 /* x86 darwin deliver segfaults using SIGBUS */
2119                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
2120                                         perror ("sigaction");
2121                                         return;
2122                                 }
2123                                 sas.ss_sp = malloc (SIGSTKSZ);
2124                                 sas.ss_size = SIGSTKSZ;
2125                                 sas.ss_flags = 0;
2126                                 if (sigaltstack (&sas, NULL) == -1) {
2127                                         perror ("sigaltstack");
2128                                         return;
2129                                 }
2130
2131                                 pthread_attr_init (&attr);
2132                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2133                                         printf ("pthread_create\n");
2134                                         return;
2135                                 }
2136
2137                                 sleep (100);
2138                         }
2139
2140                         int
2141                         main ()
2142                         {
2143                                 pid_t son;
2144                                 int status;
2145                                 int i;
2146
2147                                 son = fork ();
2148                                 if (son == -1) {
2149                                         return 1;
2150                                 }
2151
2152                                 if (son == 0) {
2153                                         child ();
2154                                         return 0;
2155                                 }
2156
2157                                 for (i = 0; i < 300; ++i) {
2158                                         waitpid (son, &status, WNOHANG);
2159                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2160                                                 return 0;
2161                                         usleep (10000);
2162                                 }
2163
2164                                 kill (son, SIGKILL);
2165                                 return 1;
2166                         }
2167
2168                 ], [
2169                                 AC_MSG_RESULT(yes)
2170                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2171                 ], [
2172                                 with_sigaltstack=no
2173                                 AC_MSG_RESULT(no)
2174                 ])
2175         fi
2176
2177         dnl ********************************
2178         dnl *** Checks for semaphore lib ***
2179         dnl ********************************
2180         # 'Real Time' functions on Solaris
2181         # posix4 on Solaris 2.6
2182         # pthread (first!) on Linux
2183         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
2184
2185         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
2186         AC_CHECK_FUNCS(shm_open)
2187
2188         dnl ********************************
2189         dnl *** Checks for timezone stuff **
2190         dnl ********************************
2191         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2192                 AC_TRY_COMPILE([
2193                         #include <time.h>
2194                         ], [
2195                         struct tm tm;
2196                         tm.tm_gmtoff = 1;
2197                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2198         if test $ac_cv_struct_tm_gmtoff = yes; then
2199                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2200         else
2201                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2202                         AC_TRY_COMPILE([
2203                                 #include <time.h>
2204                         ], [
2205                                 timezone = 1;
2206                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2207                 if test $ac_cv_var_timezone = yes; then
2208                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2209                 else
2210                         AC_ERROR(unable to find a way to determine timezone)
2211                 fi
2212         fi
2213
2214         dnl *********************************
2215         dnl *** Checks for math functions ***
2216         dnl *********************************
2217         AC_SEARCH_LIBS(sqrtf, m)
2218         if test "x$has_broken_apple_cpp" != "xyes"; then
2219                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2220                         AC_TRY_LINK([#include <math.h>], 
2221                         [ finite(0.0); ], 
2222                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2223                         AC_MSG_RESULT(no)))
2224         fi
2225         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2226                 AC_TRY_LINK([#include <math.h>], 
2227                 [ isfinite(0.0); ], 
2228                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2229                 AC_MSG_RESULT(no)))
2230
2231         dnl ****************************************************************
2232         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2233         dnl *** have it in the library (duh))                            ***
2234         dnl ****************************************************************
2235         AC_CHECK_FUNCS(poll)
2236
2237         dnl *************************
2238         dnl *** Check for signbit ***
2239         dnl *************************
2240         AC_MSG_CHECKING(for signbit)
2241         AC_TRY_LINK([#include <math.h>], [
2242                 int s = signbit(1.0);
2243         ], [
2244                 AC_MSG_RESULT(yes)
2245                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2246         ], [
2247                 AC_MSG_RESULT(no)
2248         ]) 
2249
2250         dnl **********************************
2251         dnl *** epoll                      ***
2252         dnl **********************************
2253         AC_CHECK_HEADERS(sys/epoll.h)
2254         haveepoll=no
2255         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2256         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2257                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2258         fi
2259
2260         havekqueue=no
2261
2262         AC_CHECK_HEADERS(sys/event.h)
2263         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2264
2265         dnl **************************************
2266         dnl * Darwin has a race that prevents us from using reliably:
2267         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2268         dnl * Since kqueue is mostly used for scaling large web servers, 
2269         dnl * and very few folks run Mono on large web servers on OSX, falling
2270         dnl * back 
2271         dnl **************************************
2272         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2273                 if test "x$host_darwin" = "xno"; then
2274                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2275                 fi
2276         fi
2277
2278         dnl ******************************
2279         dnl *** Checks for SIOCGIFCONF ***
2280         dnl ******************************
2281         AC_CHECK_HEADERS(sys/ioctl.h)
2282         AC_CHECK_HEADERS(net/if.h, [], [],
2283            [
2284            #ifdef HAVE_SYS_TYPES_H
2285            # include <sys/types.h>
2286            #endif
2287            #ifdef HAVE_SYS_SOCKET_H
2288            # include <sys/socket.h>
2289            #endif
2290            ])
2291         AC_MSG_CHECKING(for ifreq)
2292         AC_TRY_COMPILE([
2293                 #include <stdio.h>
2294                 #include <sys/ioctl.h>
2295                 #include <net/if.h>
2296                 ], [
2297                 struct ifconf ifc;
2298                 struct ifreq *ifr;
2299                 void *x;
2300                 ifc.ifc_len = 0;
2301                 ifc.ifc_buf = NULL;
2302                 x = (void *) &ifr->ifr_addr;
2303                 ],[
2304                         AC_MSG_RESULT(yes)
2305                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2306                 ], [
2307                         AC_MSG_RESULT(no)
2308                 ])
2309         dnl **********************************
2310         dnl ***     Checks for sin_len     ***
2311         dnl **********************************
2312         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2313         AC_TRY_COMPILE([
2314                 #include <netinet/in.h>
2315                 ], [
2316                 struct sockaddr_in saddr;
2317                 saddr.sin_len = sizeof (saddr);
2318                 ],[
2319                         AC_MSG_RESULT(yes)
2320                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2321                 ], [
2322                         AC_MSG_RESULT(no)
2323                 ])      
2324         dnl **********************************
2325         dnl ***    Checks for sin6_len     ***
2326         dnl **********************************
2327         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2328         AC_TRY_COMPILE([
2329                 #include <netinet/in.h>
2330                 ], [
2331                 struct sockaddr_in6 saddr6;
2332                 saddr6.sin6_len = sizeof (saddr6);
2333                 ],[
2334                         AC_MSG_RESULT(yes)
2335                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2336                 ], [
2337                         AC_MSG_RESULT(no)
2338                 ])
2339         dnl **********************************
2340         dnl *** Check for getifaddrs       ***
2341         dnl **********************************
2342         AC_MSG_CHECKING(for getifaddrs)
2343                 AC_TRY_LINK([
2344                 #include <stdio.h>
2345                 #include <sys/types.h>
2346                 #include <sys/socket.h>
2347                 #include <ifaddrs.h>
2348         ], [
2349                 getifaddrs(NULL);
2350         ], [
2351                 # Yes, we have it...
2352                 AC_MSG_RESULT(yes)
2353                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2354         ], [
2355                 AC_MSG_RESULT(no)
2356         ])
2357         dnl **********************************
2358         dnl *** Check for if_nametoindex   ***
2359         dnl **********************************
2360         AC_MSG_CHECKING(for if_nametoindex)
2361                 AC_TRY_LINK([
2362                 #include <stdio.h>
2363                 #include <sys/types.h>
2364                 #include <sys/socket.h>
2365                 #include <net/if.h>
2366         ], [
2367                 if_nametoindex(NULL);
2368         ], [
2369                 # Yes, we have it...
2370                 AC_MSG_RESULT(yes)
2371                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2372         ], [
2373                 AC_MSG_RESULT(no)
2374         ])
2375                         
2376         dnl **********************************
2377         dnl *** Checks for proclib         ***
2378         dnl **********************************
2379         AC_CHECK_HEADER(sys/errno.h, [AC_DEFINE(HAVE_SYS_ERRNO_H, 1, Define to 1 if you have the <sys/errno.h> header file.)])
2380         dnl **********************************
2381         dnl *** Checks for MonoPosixHelper ***
2382         dnl **********************************
2383         AC_CHECK_HEADERS(checklist.h)
2384         AC_CHECK_HEADERS(pathconf.h)
2385         AC_CHECK_HEADERS(fstab.h)
2386         AC_CHECK_HEADERS(attr/xattr.h)
2387         AC_CHECK_HEADERS(sys/extattr.h)
2388         AC_CHECK_HEADERS(sys/sendfile.h)
2389         AC_CHECK_HEADERS(sys/statvfs.h)
2390         AC_CHECK_HEADERS(sys/statfs.h)
2391         AC_CHECK_HEADERS(sys/vfstab.h)
2392         AC_CHECK_HEADERS(sys/xattr.h)
2393         AC_CHECK_HEADERS(sys/mman.h)
2394         AC_CHECK_HEADERS(sys/param.h)
2395         AC_CHECK_HEADERS(sys/mount.h, [], [],
2396                 [
2397                 #ifdef HAVE_SYS_PARAM_H
2398                 # include <sys/param.h>
2399                 #endif
2400                 ])
2401         AC_CHECK_HEADERS(sys/mount.h)
2402         AC_CHECK_FUNCS(confstr)
2403         AC_CHECK_FUNCS(seekdir telldir)
2404         AC_CHECK_FUNCS(getdomainname)
2405         AC_CHECK_FUNCS(setdomainname)
2406         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2407         AC_CHECK_FUNCS(setgroups)
2408         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2409         AC_CHECK_FUNCS(getfsstat)
2410         AC_CHECK_FUNCS(lutimes futimes)
2411         AC_CHECK_FUNCS(mremap)
2412         AC_CHECK_FUNCS(remap_file_pages)
2413         AC_CHECK_FUNCS(posix_fadvise)
2414         AC_CHECK_FUNCS(posix_fallocate)
2415         AC_CHECK_FUNCS(posix_madvise)
2416         AC_CHECK_FUNCS(vsnprintf)
2417         AC_CHECK_FUNCS(sendfile)
2418         AC_CHECK_FUNCS(gethostid sethostid)
2419         AC_CHECK_FUNCS(sethostname)
2420         AC_CHECK_FUNCS(statfs)
2421         AC_CHECK_FUNCS(fstatfs)
2422         AC_CHECK_FUNCS(statvfs)
2423         AC_CHECK_FUNCS(fstatvfs)
2424         AC_CHECK_FUNCS(stime)
2425         AC_CHECK_FUNCS(strerror_r)
2426         AC_CHECK_FUNCS(ttyname_r)
2427         AC_CHECK_FUNCS(psignal)
2428         AC_CHECK_FUNCS(getlogin_r)
2429         AC_CHECK_FUNCS(lockf)
2430         AC_CHECK_FUNCS(swab)
2431         AC_CHECK_FUNCS(setusershell endusershell)
2432         AC_CHECK_FUNCS(futimens utimensat)
2433         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2434         AC_CHECK_FUNCS(readv writev preadv pwritev)
2435         AC_CHECK_FUNCS(setpgid)
2436         AC_CHECK_FUNCS(system)
2437         AC_CHECK_FUNCS(fork execv execve)
2438         AC_CHECK_FUNCS(accept4)
2439         AC_CHECK_FUNCS(localtime_r)
2440         AC_CHECK_FUNCS(mkdtemp)
2441         AC_CHECK_SIZEOF(size_t)
2442         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2443                 [#include <sys/types.h>
2444                  #include <sys/stat.h>
2445                  #include <unistd.h>])
2446         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2447                 [#include <sys/types.h>
2448                  #include <sys/stat.h>
2449                  #include <unistd.h>])
2450         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2451                 [#include <sys/time.h>])
2452         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2453                 [#include <sys/socket.h>])
2454         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2455                 [#include <unistd.h>
2456                  #include <fcntl.h>])
2457         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2458                 [#include <sys/uio.h>])
2459         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2460                 [#include <sys/socket.h>])
2461         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2462                 [#include <sys/poll.h>])
2463         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2464                 [#include <sys/socket.h>])
2465         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2466                 [#include <sys/socket.h>])
2467         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2468                 [#include <netinet/in.h>])
2469         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2470                 [#include <netinet/in.h>])
2471         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2472                 [#include <sys/un.h>])
2473         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2474                 [#include <sys/types.h>
2475                  #include <sys/stat.h>
2476                  #include <unistd.h>])
2477         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2478                 [#include <time.h>])
2479         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2480                 [#include <sys/time.h>
2481                  #include <sys/types.h>
2482                  #include <utime.h>])
2483         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2484                 [#include <sys/time.h>])
2485         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2486                 [#include <sys/types.h>
2487                  #include <utime.h>])
2488         AC_CHECK_MEMBERS(
2489                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2490                 [#include <sys/types.h>
2491                  #include <dirent.h>])
2492         AC_CHECK_MEMBERS(
2493                 [struct passwd.pw_gecos],,, 
2494                 [#include <sys/types.h>
2495                  #include <pwd.h>])
2496         AC_CHECK_MEMBERS(
2497                 [struct statfs.f_flags],,, 
2498                 [#include <sys/types.h>
2499                  #include <sys/vfs.h>])
2500         AC_CHECK_MEMBERS(
2501                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2502                 [#include <sys/types.h>
2503                  #include <sys/stat.h>
2504                  #include <unistd.h>])
2505
2506         dnl Favour xattr through glibc, but use libattr if we have to
2507         AC_CHECK_FUNC(lsetxattr, ,
2508                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2509         )
2510         AC_SUBST(XATTR_LIB)
2511
2512         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2513         AC_CHECK_MEMBERS(
2514                 [struct kinfo_proc.kp_proc],,, 
2515                 [#include <sys/types.h>
2516                  #include <sys/param.h>
2517                  #include <sys/sysctl.h>
2518                  #include <sys/proc.h>
2519                  ])
2520
2521         dnl *********************************
2522         dnl *** Checks for Windows compilation ***
2523         dnl *********************************
2524         AC_CHECK_HEADERS(sys/time.h)
2525         AC_CHECK_HEADERS(sys/param.h)
2526         AC_CHECK_HEADERS(dirent.h)
2527
2528         dnl ******************************************
2529         dnl *** Checks for OSX and iOS compilation ***
2530         dnl ******************************************
2531         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2532
2533         dnl *********************************
2534         dnl *** Check for Console 2.0 I/O ***
2535         dnl *********************************
2536         AC_CHECK_HEADERS([curses.h])
2537         AC_CHECK_HEADERS([term.h], [], [],
2538         [#if HAVE_CURSES_H
2539          #include <curses.h>
2540          #endif
2541         ])
2542         AC_CHECK_HEADERS([termios.h])
2543 else
2544         dnl *********************************
2545         dnl *** Checks for Windows compilation ***
2546         dnl *********************************
2547         AC_CHECK_HEADERS(winternl.h)
2548
2549         jdk_headers_found=no
2550         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2551         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2552         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2553         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2554         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2555         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2556         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2557
2558         dnl *********************************
2559         dnl *** Check for struct ip_mreqn ***
2560         dnl *********************************
2561         AC_MSG_CHECKING(for struct ip_mreqn)
2562         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2563                 struct ip_mreqn mreq;
2564                 mreq.imr_address.s_addr = 0;
2565         ], [
2566                 # Yes, we have it...
2567                 AC_MSG_RESULT(yes)
2568                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2569         ], [
2570                 # We'll just have to try and use struct ip_mreq
2571                 AC_MSG_RESULT(no)
2572                 AC_MSG_CHECKING(for struct ip_mreq)
2573                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2574                         struct ip_mreq mreq;
2575                         mreq.imr_interface.s_addr = 0;
2576                 ], [
2577                         # Yes, we have it...
2578                         AC_MSG_RESULT(yes)
2579                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2580                 ], [
2581                         # No multicast support
2582                         AC_MSG_RESULT(no)
2583                 ])
2584         ])
2585
2586         dnl **********************************
2587         dnl *** Check for getaddrinfo ***
2588         dnl **********************************
2589         AC_MSG_CHECKING(for getaddrinfo)
2590                 AC_TRY_LINK([
2591                 #include <stdio.h>
2592                 #include <winsock2.h>
2593                 #include <ws2tcpip.h>
2594         ], [
2595                 getaddrinfo(NULL,NULL,NULL,NULL);
2596         ], [
2597                 # Yes, we have it...
2598                 AC_MSG_RESULT(yes)
2599                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2600         ], [
2601                 AC_MSG_RESULT(no)
2602         ])
2603
2604         dnl **********************************
2605         dnl *** Check for gethostbyname ***
2606         dnl **********************************
2607         AC_MSG_CHECKING(for gethostbyname)
2608                 AC_TRY_LINK([
2609                 #include <stdio.h>
2610                 #include <winsock2.h>
2611                 #include <ws2tcpip.h>
2612         ], [
2613                 gethostbyname(NULL);
2614         ], [
2615                 # Yes, we have it...
2616                 AC_MSG_RESULT(yes)
2617                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2618         ], [
2619                 AC_MSG_RESULT(no)
2620         ])
2621
2622         dnl **********************************
2623         dnl *** Check for getprotobyname ***
2624         dnl **********************************
2625         AC_MSG_CHECKING(for getprotobyname)
2626                 AC_TRY_LINK([
2627                 #include <stdio.h>
2628                 #include <winsock2.h>
2629                 #include <ws2tcpip.h>
2630         ], [
2631                 getprotobyname(NULL);
2632         ], [
2633                 # Yes, we have it...
2634                 AC_MSG_RESULT(yes)
2635                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2636         ], [
2637                 AC_MSG_RESULT(no)
2638         ])
2639
2640         dnl **********************************
2641         dnl *** Check for getnameinfo ***
2642         dnl **********************************
2643         AC_MSG_CHECKING(for getnameinfo)
2644                 AC_TRY_LINK([
2645                 #include <stdio.h>
2646                 #include <winsock2.h>
2647                 #include <ws2tcpip.h>
2648         ], [
2649                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2650         ], [
2651                 # Yes, we have it...
2652                 AC_MSG_RESULT(yes)
2653                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2654         ], [
2655                 AC_MSG_RESULT(no)
2656         ])
2657
2658         dnl **********************************
2659         dnl *** Check for inet_ntop ***
2660         dnl **********************************
2661         AC_MSG_CHECKING(for inet_ntop)
2662                 AC_TRY_LINK([
2663                 #include <stdio.h>
2664                 #include <winsock2.h>
2665                 #include <ws2tcpip.h>
2666         ], [
2667                 inet_ntop (0, NULL, NULL, 0);
2668         ], [
2669                 # Yes, we have it...
2670                 AC_MSG_RESULT(yes)
2671                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2672         ], [
2673                 AC_MSG_RESULT(no)
2674         ])
2675
2676         dnl **********************************
2677         dnl *** Check for inet_pton ***
2678         dnl **********************************
2679         AC_MSG_CHECKING(for inet_pton)
2680                 AC_TRY_LINK([
2681                 #include <stdio.h>
2682                 #include <winsock2.h>
2683                 #include <ws2tcpip.h>
2684         ], [
2685                 #ifndef inet_pton
2686                 (void) inet_pton;
2687                 #endif
2688                 inet_pton (0, NULL, NULL);
2689         ], [
2690                 # Yes, we have it...
2691                 AC_MSG_RESULT(yes)
2692                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2693         ], [
2694                 AC_MSG_RESULT(no)
2695         ])
2696
2697         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2698         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2699         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2700         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2701         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2702         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2703         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2704 fi
2705
2706 dnl socklen_t check
2707 AC_MSG_CHECKING(for socklen_t)
2708 AC_TRY_COMPILE([
2709 #include <sys/types.h>
2710 #include <sys/socket.h>
2711 ],[
2712   socklen_t foo;
2713 ],[
2714 ac_cv_c_socklen_t=yes
2715         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2716         AC_MSG_RESULT(yes)
2717 ],[
2718         AC_MSG_RESULT(no)
2719 ])
2720
2721 AC_MSG_CHECKING(for array element initializer support)
2722 AC_TRY_COMPILE([#include <sys/socket.h>], [
2723         const int array[] = {[1] = 2,};
2724 ], [
2725         # Yes, we have it...
2726         AC_MSG_RESULT(yes)
2727         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2728 ], [
2729         # We'll have to use signals
2730         AC_MSG_RESULT(no)
2731 ])
2732
2733 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2734         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2735         AC_TRY_LINK([#include <math.h>], 
2736         [ static void *p = &trunc; ],
2737         [
2738                 AC_DEFINE(HAVE_TRUNC) 
2739                 AC_MSG_RESULT(yes)
2740                 ac_cv_trunc=yes
2741         ],
2742         AC_MSG_RESULT(no)))
2743
2744 if test "x$ac_cv_truncl" != "xyes"; then
2745    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2746 fi
2747
2748 AC_CHECK_FUNCS(execvp)
2749
2750 dnl ****************************
2751 dnl *** Look for /dev/random ***
2752 dnl ****************************
2753
2754 AC_MSG_CHECKING([if usage of random device is requested])
2755 AC_ARG_ENABLE(dev-random,
2756 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2757 try_dev_random=$enableval, try_dev_random=yes)
2758
2759 AC_MSG_RESULT($try_dev_random)
2760
2761 case "{$build}" in
2762     *-openbsd*)
2763     NAME_DEV_RANDOM="/dev/srandom"
2764     ;;
2765
2766 dnl Win32 does not have /dev/random, they have their own method...
2767
2768     *-mingw*|*-*-cygwin*)
2769     ac_cv_have_dev_random=no
2770     ;;
2771
2772 dnl Everywhere else, it's /dev/random
2773
2774     *)
2775     NAME_DEV_RANDOM="/dev/random"
2776     ;;
2777 esac
2778
2779 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2780
2781 dnl Now check if the device actually exists
2782
2783 if test "x$try_dev_random" = "xyes"; then
2784     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2785     [if test -r "$NAME_DEV_RANDOM" ; then
2786         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2787     if test "x$ac_cv_have_dev_random" = "xyes"; then
2788         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2789     fi
2790 else
2791     AC_MSG_CHECKING(for random device)
2792     ac_cv_have_dev_random=no
2793     AC_MSG_RESULT(has been disabled)
2794 fi
2795
2796 if test "x$host_win32" = "xyes"; then
2797     AC_DEFINE(HAVE_CRYPT_RNG)
2798 fi
2799
2800 if test "x$ac_cv_have_dev_random" = "xno" \
2801     && test "x$host_win32" = "xno"; then
2802     AC_MSG_WARN([[
2803 ***
2804 *** A system-provided entropy source was not found on this system.
2805 *** Because of this, the System.Security.Cryptography random number generator
2806 *** will throw a NotImplemented exception.
2807 ***
2808 *** If you are seeing this message, and you know your system DOES have an
2809 *** entropy collection in place, please contact <crichton@gimp.org> and
2810 *** provide information about the system and how to access the random device.
2811 ***
2812 *** Otherwise you can install either egd or prngd and set the environment
2813 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2814 ***]])
2815 fi
2816
2817 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2818
2819 AC_MSG_CHECKING([if big-arrays are to be enabled])
2820 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2821 if test "x$enable_big_arrays" = "xyes" ; then
2822     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2823         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2824     else
2825         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2826     fi
2827 fi
2828 AC_MSG_RESULT($enable_big_arrays)
2829
2830 dnl **************
2831 dnl *** DTRACE ***
2832 dnl **************
2833
2834 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2835
2836 if test "x$enable_dtrace" = "xyes"; then
2837    if test "x$has_dtrace" = "xno"; then
2838           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2839    fi
2840    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2841    if test "x$DTRACE" = "xno"; then
2842           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2843           enable_dtrace=no
2844    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2845           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2846           enable_dtrace=no
2847    fi
2848 fi
2849
2850 dtrace_g=no
2851 if test "x$enable_dtrace" = "xyes"; then
2852         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2853         DTRACEFLAGS=
2854         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2855                 case "$host" in
2856                         powerpc-*-darwin*)
2857                         DTRACEFLAGS="-arch ppc64"
2858                         ;;
2859                         i*86-*-darwin*)
2860                         DTRACEFLAGS="-arch x86_64"
2861                         ;;
2862                         *)
2863                         DTRACEFLAGS=-64
2864                         ;;
2865                 esac
2866         else
2867                 case "$host" in
2868                         powerpc-*-darwin*)
2869                         DTRACEFLAGS="-arch ppc"
2870                         ;;
2871                         i*86-*-darwin*)
2872                         DTRACEFLAGS="-arch i386"
2873                         ;;
2874                         *)
2875                         DTRACEFLAGS=-32
2876                         ;;
2877                 esac
2878         fi
2879         AC_SUBST(DTRACEFLAGS)
2880         case "$host" in
2881                 *-*-solaris*)
2882                 dtrace_g=yes
2883                 ;;
2884         esac
2885         AC_CHECK_HEADERS([sys/sdt.h])
2886 fi
2887 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2888 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2889
2890 dnl **************************
2891 dnl *** AOT cross offsets  ***
2892 dnl **************************
2893
2894 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2895     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2896
2897 dnl **************
2898 dnl ***  LLVM  ***
2899 dnl **************
2900
2901 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2902 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2903 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2904 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2905
2906 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2907
2908 if test "x$enable_llvm" = "xdefault"; then
2909    enable_llvm=$enable_llvm_default
2910 fi
2911
2912 if test "x$enable_llvm" = "xyes"; then
2913    if test "x$with_llvm" != "x"; then
2914           LLVM_CONFIG=$with_llvm/bin/llvm-config
2915           if test x$host_win32 = xyes; then
2916                 LLVM_CONFIG=$LLVM_CONFIG.exe
2917           fi
2918           if test ! -x $LLVM_CONFIG; then
2919                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2920       fi
2921    else
2922       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2923       if test "x$LLVM_CONFIG" = "xno"; then
2924              AC_MSG_ERROR([llvm-config not found.])
2925       fi
2926    fi
2927
2928    llvm_codegen="x86codegen"
2929    case "$target" in
2930    arm*)
2931                 llvm_codegen="armcodegen"
2932                 ;;
2933    esac
2934
2935    if test "x$host_win32" = "xno"; then
2936
2937    # Should be something like '2.6' or '2.7svn'
2938    llvm_version=`$LLVM_CONFIG --version`
2939    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2940    AC_MSG_CHECKING(LLVM version)
2941    AC_MSG_RESULT($llvm_version $llvm_api_version)
2942    if echo $llvm_version | grep -q 'mono'; then
2943           if test "x$enable_llvm_version_check" = "xyes"; then
2944                  if test "$llvm_version" != "$expected_llvm_version"; then
2945                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2946                  fi
2947           fi
2948    else
2949           AC_MSG_ERROR([Compiling with stock LLVM is not supported, please use the Mono LLVM repo at https://github.com/mono/llvm, with the GIT branch which matches this version of mono, i.e. 'mono-2-10' for Mono 2.10.])
2950    fi
2951
2952    # The output of --cflags seems to include optimizations flags too
2953    if test $llvm_api_version -gt 100; then
2954           # The --cflags argument includes all kinds of warnings -pendantic etc.
2955           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2956           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2957    else
2958           LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2959       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2960    fi
2961    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2962    # from LLVM classes.
2963    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2964    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2965    # This might include empty lines
2966    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2967    llvm_jit_supported=yes
2968    llvm_jit_libs="jit mcjit $llvm_codegen"
2969    if test "x$host" != "x$target"; then
2970       # No need for jit libs
2971           llvm_jit_supported=no
2972       llvm_jit_libs=""
2973    elif test $llvm_api_version -gt 100; then
2974       llvm_jit_libs="orcjit $llvm_codegen"
2975    fi
2976    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2977    if test "x$LLVM_LIBS" = "x"; then
2978           echo "$LLVM_CONFIG --libs failed."
2979           exit 1
2980    fi
2981    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2982    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2983    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2984       LLVM_LIBS="$LLVM_LIBS -lc++"
2985    else
2986       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2987    fi
2988
2989    expected_llvm_version="3.4svn-mono-mono/e656cac"
2990
2991    else
2992        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2993        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2994        LLVM_LDFLAGS="-L$with_llvm/lib"
2995        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2996        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2997          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2998          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2999          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
3000          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
3001          -lLLVMAnalysis -lLLVMTarget \
3002          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
3003          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
3004          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
3005          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
3006          -lLLVMSupport -lstdc++"
3007        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
3008
3009        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
3010        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
3011    fi  
3012
3013    if test "x$llvm_api_version" = "x"; then
3014           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
3015           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
3016    else
3017           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
3018           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
3019    fi   
3020
3021    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraries])
3022
3023    AC_SUBST(LLVM_CFLAGS)
3024    AC_SUBST(LLVM_CXXFLAGS)
3025    AC_SUBST(LLVM_LIBS)
3026    AC_SUBST(LLVM_LDFLAGS)
3027    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
3028 fi
3029
3030 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
3031 if test "x$enable_loadedllvm" = "xyes"; then
3032    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
3033 fi
3034 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
3035
3036 if test "x$enable_llvm" = "xyes"; then
3037    enable_llvm_runtime=yes
3038 fi
3039 if test "x$enable_llvm_runtime" = "xyes"; then
3040    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
3041 fi
3042 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
3043
3044 TARGET="unknown"
3045 ACCESS_UNALIGNED="yes"
3046
3047 LIBC="libc.so.6"
3048 INTL="libc.so.6"
3049 SQLITE="libsqlite.so.0"
3050 SQLITE3="libsqlite3.so.0"
3051 X11="libX11.so"
3052 GDKX11="libgdk-x11-2.0.so.0"
3053 GTKX11="libgtk-x11-2.0.so.0"
3054 XINERAMA="libXinerama.so.1"
3055
3056 sizeof_register="SIZEOF_VOID_P"
3057
3058 jit_wanted=true
3059 boehm_supported=true
3060 BTLS_SUPPORTED=no
3061 BTLS_PLATFORM=
3062
3063 if test "x$enable_wasm" = "xyes"; then
3064 TARGET=WASM
3065 HOST=WASM
3066 arch_target=wasm
3067 AC_DEFINE(TARGET_WASM, 1, [Target wasm])
3068 BTLS_SUPPORTED=no
3069 with_tls=pthread
3070 target_mach=no
3071
3072 else
3073
3074 case "$host" in
3075         mips*)
3076                 TARGET=MIPS;
3077                 arch_target=mips;
3078                 with_tls=pthread;
3079                 ACCESS_UNALIGNED="no"
3080
3081                 AC_MSG_CHECKING(for mips n32)
3082                 AC_TRY_COMPILE([],[
3083                 #if _MIPS_SIM != _ABIN32
3084                 #error Not mips n32
3085                 #endif
3086                 return 0;
3087                 ],[
3088                 AC_MSG_RESULT(yes)
3089                 sizeof_register=8
3090                 ],[
3091                 AC_MSG_RESULT(no)
3092                 ])
3093                 ;;
3094         i*86-*-*)
3095                 TARGET=X86;
3096                 arch_target=x86;
3097                 case $host_os in
3098                   solaris*)
3099                         LIBC="libc.so"
3100                         INTL="libintl.so"
3101                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3102                                 TARGET=AMD64
3103                                 arch_target=amd64
3104                         fi
3105
3106                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
3107                         # int astruct __attribute__ ((visibility ("hidden")));
3108                         # void foo ()
3109                         # {
3110                         #       void *p = &astruct;
3111                         # }
3112                         # gcc -fPIC --shared -o libfoo.so foo.c
3113                         # yields:
3114                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3115                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3116                         have_visibility_hidden=no
3117                         ;;
3118                   mingw*|cygwin*)
3119                         have_visibility_hidden=no                 
3120                         ;;
3121                   haiku*)
3122                         LIBC=libroot.so
3123                         ;;
3124                   linux*)
3125                         AOT_SUPPORTED="yes"
3126                         BTLS_SUPPORTED=yes
3127                         BTLS_PLATFORM=i386
3128                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3129                         ;;
3130                   darwin*)
3131                         AOT_SUPPORTED="yes"
3132                         BTLS_SUPPORTED=yes
3133                         BTLS_PLATFORM=i386
3134                         ;;
3135                   openbsd*|freebsd*|kfreebsd-gnu*)
3136                         ;;
3137                 esac
3138                 ;;
3139         x86_64-*-* | amd64-*-*)
3140                 TARGET=AMD64;
3141                 arch_target=amd64;
3142                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3143                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3144                         sizeof_register=8
3145                 fi
3146                 case $host_os in
3147                   linux*)
3148                         AOT_SUPPORTED="yes"
3149                         BTLS_SUPPORTED=yes
3150                         BTLS_PLATFORM=x86_64
3151                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3152                         ;;
3153                   darwin*)
3154                         AOT_SUPPORTED="yes"
3155                         BTLS_SUPPORTED=yes
3156                         BTLS_PLATFORM=x86_64
3157                         boehm_supported=false
3158                         ;;
3159                   openbsd*|freebsd*|kfreebsd-gnu*)
3160                         ;;
3161                   mingw*)
3162                         ;;
3163                 esac
3164                 ;;
3165         sparc*-*-*)
3166                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3167                    TARGET=SPARC64
3168                 else
3169                         TARGET=SPARC
3170                 fi
3171                 arch_target=sparc;
3172                 ACCESS_UNALIGNED="no"
3173                 case $host_os in
3174                   linux*) ;;
3175                   *)
3176                         LIBC="libc.so"
3177                         INTL="libintl.so"
3178                 esac
3179                 if test x"$GCC" = xyes; then
3180                         # We don't support v8 cpus
3181                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3182                 fi
3183                 if test x"$AR" = xfalse; then
3184                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3185                 fi
3186                 ;;
3187         *-mingw*|*-*-cygwin*)
3188                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3189                 have_visibility_hidden=no
3190                 INTL="intl"
3191                 ;;
3192         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3193         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3194                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3195                         TARGET=POWERPC64;
3196                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3197                         CFLAGS="$CFLAGS -mminimal-toc"
3198                 else
3199                         TARGET=POWERPC;
3200                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3201                 fi
3202                 arch_target=ppc;
3203                 case $host_os in
3204                   linux*|darwin*)
3205                         ;;
3206                 esac
3207                 ;;
3208         armv7k-*-darwin*)
3209                 TARGET=ARM;
3210                 TARGET_SYS=WATCHOS
3211                 arch_target=arm;
3212                 arm_fpu=VFP_HARD
3213                 ACCESS_UNALIGNED="no"
3214                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3215                 ;;
3216
3217         arm*-darwin*)
3218                 TARGET=ARM;
3219                 arch_target=arm;
3220                 ACCESS_UNALIGNED="no"
3221                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3222                 ;;
3223         arm*-linux*)
3224                 TARGET=ARM;
3225                 arch_target=arm;
3226                 ACCESS_UNALIGNED="no"
3227                 AOT_SUPPORTED="yes"
3228                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3229                 BTLS_SUPPORTED=yes
3230                 BTLS_PLATFORM=arm
3231                 AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3232                 case "$target" in
3233                 arm*-linux*-gnueabi)
3234                         BTLS_PLATFORM=armsoft
3235                         ;;
3236                 esac
3237                 ;;
3238         arm*-netbsd*-eabi*)
3239                 TARGET=ARM;
3240                 arch_target=arm;
3241                 ACCESS_UNALIGNED="no"
3242                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3243                 ;;
3244         aarch64-*)
3245                 # https://lkml.org/lkml/2012/7/15/133
3246                 TARGET=ARM64
3247                 arch_target=arm64
3248                 boehm_supported=false
3249                 AOT_SUPPORTED="yes"
3250                 BTLS_SUPPORTED=yes
3251                 BTLS_PLATFORM=aarch64
3252                 AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3253                 ;;
3254         s390x-*-linux*)
3255                 TARGET=S390X;
3256                 arch_target=s390x;
3257                 ACCESS_UNALIGNED="yes"
3258                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3259                 ;;
3260 esac
3261
3262 HOST=$TARGET
3263
3264 if test "x$host" != "x$target"; then
3265    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3266    enable_mcs_build=no
3267    BTLS_SUPPORTED=no
3268    case "$target" in
3269    arm*-darwin*)
3270                 TARGET=ARM;
3271                 arch_target=arm;
3272                 ACCESS_UNALIGNED="no"
3273                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3274                 # Can't use tls, since it depends on the runtime detection of tls offsets
3275                 # in mono-compiler.h
3276                 with_tls=pthread
3277                 case "$target" in
3278                 armv7k-*)
3279                         arm_fpu=VFP_HARD
3280                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3281                         ;;
3282                 esac            
3283                 ;;
3284    powerpc64-ps3-linux-gnu)
3285                 TARGET=POWERPC64
3286                 arch_target=powerpc64
3287                 AC_DEFINE(TARGET_PS3, 1, [...])
3288                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3289                 # uses this define
3290                 AC_DEFINE(__mono_ppc64__, 1, [...])
3291                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3292                 sizeof_register=8
3293                 target_byte_order=G_BIG_ENDIAN
3294                 ;;
3295    powerpc64-xbox360-linux-gnu)
3296                 TARGET=POWERPC64
3297                 arch_target=powerpc64
3298                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3299                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3300                 # uses this define
3301                 sizeof_register=8
3302                 target_byte_order=G_BIG_ENDIAN
3303                 ;;
3304    arm*-linux-*)
3305                 TARGET=ARM;
3306                 arch_target=arm;
3307                 AC_DEFINE(TARGET_ARM, 1, [...])
3308                 ACCESS_UNALIGNED="no"
3309                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3310                 # Can't use tls, since it depends on the runtime detection of tls offsets
3311                 # in mono-compiler.h
3312                 with_tls=pthread
3313                 target_mach=no
3314                 case "$target" in
3315                 armv7l-unknown-linux-gnueabi*)
3316                         # TEGRA
3317                         CPPFLAGS="$CPPFLAGS"
3318                         ;;
3319                 armv5-*-linux-androideabi*)
3320                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3321                         CPPFLAGS="$CPPFLAGS"
3322                         ;;
3323                 *-linux-androideabi*)
3324                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3325                         CPPFLAGS="$CPPFLAGS"
3326                         ;;
3327                 esac
3328                 ;;
3329    arm*-netbsd*-eabi*)
3330                 TARGET=ARM;
3331                 arch_target=arm;
3332                 AC_DEFINE(TARGET_ARM, 1, [...])
3333                 ACCESS_UNALIGNED="no"
3334                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3335                 # Can't use tls, since it depends on the runtime detection of tls offsets
3336                 # in mono-compiler.h
3337                 with_tls=pthread
3338                 target_mach=no
3339                 ;;
3340    i686*-linux-*)
3341                 TARGET=X86;
3342                 arch_target=x86;
3343                 AC_DEFINE(TARGET_X86, 1, [...])
3344                 CPPFLAGS="$CPPFLAGS"
3345                 # Can't use tls, since it depends on the runtime detection of tls offsets
3346                 # in mono-compiler.h            
3347                 with_tls=pthread
3348                 target_mach=no
3349
3350                 case "$target" in
3351                 *-linux-android*)
3352                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3353                         ;;
3354                 esac
3355                 ;;
3356    x86_64*-linux-*)
3357                 TARGET=AMD64;
3358                 arch_target=amd64;
3359                 AC_DEFINE(TARGET_AMD64, 1, [...])
3360                 CPPFLAGS="$CPPFLAGS"
3361                 # Can't use tls, since it depends on the runtime detection of tls offsets
3362                 # in mono-compiler.h
3363                 with_tls=pthread
3364                 target_mach=no
3365
3366                 case "$target" in
3367                 *-linux-android*)
3368                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3369                         ;;
3370                 esac
3371                 ;;
3372    x86_64-ps4-freebsd)
3373                 TARGET=AMD64;
3374                 arch_target=amd64;
3375                 AC_DEFINE(TARGET_AMD64, 1, [...])
3376                 AC_DEFINE(TARGET_PS4, 1, [...])
3377                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3378                 CPPFLAGS="$CPPFLAGS"
3379                 # Can't use tls, since it depends on the runtime detection of tls offsets
3380                 # in mono-compiler.h
3381                 with_tls=pthread
3382                 target_mach=no
3383                 target_win32=no
3384                 ;;
3385    aarch64*-linux-*)
3386                 TARGET=ARM64;
3387                 arch_target=arm64;
3388                 AC_DEFINE(TARGET_ARM64, 1, [...])
3389                 CPPFLAGS="$CPPFLAGS"
3390                 # Can't use tls, since it depends on the runtime detection of tls offsets
3391                 # in mono-compiler.h
3392                 with_tls=pthread
3393                 target_mach=no
3394                 case "$target" in
3395                 *-linux-android*)
3396                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3397                         ;;
3398                 esac
3399                 ;;
3400         aarch64-*)
3401                 TARGET=ARM64
3402                 ;;
3403         *)
3404                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3405         esac
3406 fi
3407
3408 case "$TARGET" in
3409 X86)
3410         AC_DEFINE(TARGET_X86, 1, [...])
3411         ;;
3412 AMD64)
3413         AC_DEFINE(TARGET_AMD64, 1, [...])
3414         ;;
3415 ARM)
3416         AC_DEFINE(TARGET_ARM, 1, [...])
3417         ;;
3418 ARM64)
3419         AC_DEFINE(TARGET_ARM64, 1, [...])
3420         ;;
3421 POWERPC)
3422         AC_DEFINE(TARGET_POWERPC, 1, [...])
3423         ;;
3424 POWERPC64)
3425         AC_DEFINE(TARGET_POWERPC, 1, [...])
3426         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3427         ;;
3428 S390X)
3429         AC_DEFINE(TARGET_S390X, 1, [...])
3430         ;;
3431 MIPS)
3432         AC_DEFINE(TARGET_MIPS, 1, [...])
3433         ;;
3434 SPARC)
3435         AC_DEFINE(TARGET_SPARC, 1, [...])
3436         ;;
3437 SPARC64)
3438         AC_DEFINE(TARGET_SPARC64, 1, [...])
3439         ;;
3440 esac
3441
3442 case "$HOST" in
3443 X86)
3444         AC_DEFINE(HOST_X86, 1, [...])
3445         ;;
3446 AMD64)
3447         AC_DEFINE(HOST_AMD64, 1, [...])
3448         ;;
3449 ARM)
3450         AC_DEFINE(HOST_ARM, 1, [...])
3451         ;;
3452 ARM64)
3453         AC_DEFINE(HOST_ARM64, 1, [...])
3454         ;;
3455 POWERPC)
3456         AC_DEFINE(HOST_POWERPC, 1, [...])
3457         ;;
3458 POWERPC64)
3459         AC_DEFINE(HOST_POWERPC, 1, [...])
3460         AC_DEFINE(HOST_POWERPC64, 1, [...])
3461         ;;
3462 S390X)
3463         AC_DEFINE(HOST_S390X, 1, [...])
3464         ;;
3465 MIPS)
3466         AC_DEFINE(HOST_MIPS, 1, [...])
3467         ;;
3468 SPARC)
3469         AC_DEFINE(HOST_SPARC, 1, [...])
3470         ;;
3471 SPARC64)
3472         AC_DEFINE(HOST_SPARC64, 1, [...])
3473         ;;
3474 esac
3475
3476 #WASM hack
3477 fi
3478
3479
3480 dnl *************
3481 dnl *** VTUNE ***
3482 dnl *************
3483
3484 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3485 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3486
3487 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3488
3489 if test "x$enable_vtune" = "xyes"; then
3490         if test "x$with_vtune" = "x"; then
3491                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3492         else
3493                 VTUNE_PATH=$with_vtune
3494         fi
3495         VTUNE_INCLUDE=$VTUNE_PATH/include
3496         case "$TARGET" in
3497         X86)
3498                 VTUNE_LIB=$VTUNE_PATH/lib32
3499                 ;;
3500         AMD64)
3501                 VTUNE_LIB=$VTUNE_PATH/lib64
3502                 ;;
3503         *)
3504                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3505                 ;;
3506         esac
3507         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3508                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3509         fi
3510         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3511                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3512         fi
3513
3514         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3515         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3516
3517         AC_SUBST(VTUNE_LIBS)
3518         AC_SUBST(VTUNE_CFLAGS)
3519 fi
3520 dnl Use GCC atomic ops if they work on the target.
3521 if test x$GCC = "xyes"; then
3522         case $TARGET in
3523         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3524                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3525                 ;;
3526         esac
3527 fi
3528
3529 if test "x$target_mach" = "xyes"; then
3530
3531    if test "x$TARGET_SYS" = "xWATCHOS"; then
3532           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3533           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3534           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3535           BTLS_SUPPORTED=no
3536    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3537           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3538           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3539           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3540           BTLS_SUPPORTED=no
3541    else
3542        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3543        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3544        #error fail this for ios
3545        #endif
3546        return 0;
3547        ], [
3548                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3549           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3550           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3551           target_osx=yes
3552        ], [
3553           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3554           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3555           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3556           BTLS_SUPPORTED=no
3557                   target_ios=yes
3558        ])
3559         fi
3560    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3561 fi
3562
3563 AM_CONDITIONAL(TARGET_OSX, test x$target_osx = xyes)
3564
3565 if test "x$sizeof_register" = "x4"; then
3566    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3567 elif test "x$sizeof_register" = "x8"; then
3568    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3569 else
3570    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3571 fi
3572
3573 AC_SUBST(SIZEOF_VOID_P,[$ac_cv_sizeof_void_p])
3574
3575 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3576    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3577 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3578    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3579 else
3580    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3581 fi
3582
3583 if test "x$have_visibility_hidden" = "xyes"; then
3584    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3585 fi
3586
3587 if test "x$have_deprecated" = "xyes"; then
3588    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3589 fi
3590
3591 AC_ARG_ENABLE(interpreter, [  --enable-interpreter       Enable Interpreter], enable_interpreter=$enableval, enable_interpreter=no)
3592
3593 if test "x$enable_interpreter" = "xyes"; then
3594         AC_DEFINE(ENABLE_INTERPRETER, 1, [Enable Interpreter])
3595 fi
3596
3597 AM_CONDITIONAL(ENABLE_INTERPRETER, [test x$enable_interpreter = xyes])
3598
3599 dnl 
3600 dnl Simple Generational checks (sgen)
3601 dnl
3602 SGEN_DEFINES=
3603 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3604 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3605 if test x$buildsgen = xyes; then
3606    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3607    SGEN_DEFINES="-DHAVE_SGEN_GC"
3608
3609         conc_gc_msg=""
3610    if test x$with_sgen_default_concurrent != xno; then
3611        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3612            conc_gc_msg=" (concurrent by default)"
3613    fi
3614
3615    if test "x$gc_msg" = "x"; then
3616       gc_msg="sgen$conc_gc_msg"
3617    else
3618       gc_msg="sgen$conc_gc_msg and $gc_msg"
3619    fi
3620 fi
3621 AC_SUBST(SGEN_DEFINES)
3622 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3623
3624 jit_status="Building and using the JIT"
3625
3626 libsuffix=".so"
3627
3628 case "$host" in
3629      *-*-darwin*)
3630         libsuffix=".dylib"
3631         LIBC="libc.dylib"
3632         INTL="libintl.dylib"
3633         SQLITE="libsqlite.0.dylib"
3634         SQLITE3="libsqlite3.0.dylib"
3635         X11="libX11.dylib"
3636         GDKX11="libgdk-x11-2.0.dylib"
3637         GTKX11="libgtk-x11-2.0.dylib"
3638         ;;
3639      *-*-*netbsd*)
3640         LIBC="libc.so"
3641         INTL="libintl.so"
3642         SQLITE="libsqlite.so"
3643         SQLITE3="libsqlite3.so"
3644         ;;
3645      *-*-kfreebsd*-gnu)
3646         LIBC="libc.so.0.1"
3647         INTL="libc.so.0.1"
3648         X11="libX11.so.6"
3649         ;;
3650     *-*-*freebsd*)
3651         LIBC="libc.so.7"
3652         INTL="libintl.so"
3653         SQLITE="libsqlite.so"
3654         SQLITE3="libsqlite3.so"
3655         ;;
3656     *-*-*openbsd*)
3657         LIBC="libc.so"
3658         INTL="libintl.so"
3659         SQLITE="libsqlite.so"
3660         SQLITE3="libsqlite3.so"
3661         ;;
3662     *-*-*linux*)
3663         AC_PATH_X
3664         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3665         AC_MSG_CHECKING(for the soname of libX11.so)
3666         for i in $x_libraries $dlsearch_path; do
3667                 for r in 4 5 6; do
3668                         if test -f $i/libX11.so.$r; then
3669                                 X11=libX11.so.$r
3670                                 AC_MSG_RESULT($X11)
3671                         fi
3672                 done
3673         done
3674         
3675         if test "x$X11" = "xlibX11.so"; then
3676                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3677                 X11=libX11.so.6
3678         fi
3679         ;;
3680 esac
3681
3682 AC_SUBST(libsuffix)
3683
3684 ######################################
3685 # EGLIB CHECKS
3686 ######################################
3687
3688 GNUC_PRETTY=
3689 GNUC_UNUSED=
3690 BREAKPOINT="G_STMT_START { raise (SIGTRAP); } G_STMT_END"
3691 if test x$GCC = xyes; then
3692    GNUC_UNUSED='__attribute__((__unused__))'
3693    GNUC_NORETURN='__attribute__((__noreturn__))'
3694    case $host_cpu in
3695      i*86|x86_64) BREAKPOINT="G_STMT_START { __asm__ (\"int \$03\"); } G_STMT_END" ;;
3696    esac
3697 fi
3698 AC_SUBST(GNUC_PRETTY)
3699 AC_SUBST(GNUC_UNUSED)
3700 AC_SUBST(GNUC_NORETURN)
3701 AC_SUBST(BREAKPOINT)
3702
3703 AC_C_BIGENDIAN([ORDER=G_BIG_ENDIAN],[ORDER=G_LITTLE_ENDIAN])
3704
3705 case $host in
3706 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*)
3707     PATHSEP='\\'
3708     SEARCHSEP=';'
3709     OS="WIN32"
3710     PIDTYPE='void *'
3711     ;;
3712 *)
3713     PATHSEP='/'
3714     SEARCHSEP=':'
3715     OS="UNIX"
3716     PIDTYPE='int'
3717     ;;
3718 esac
3719
3720 case $host in
3721         *-*-solaris*)
3722         CFLAGS="$CFLAGS -D_POSIX_PTHREAD_SEMANTICS"
3723         ;;
3724 esac
3725
3726 case $target in
3727 arm*-darwin*|aarch64*-*)
3728     CFLAGS="$CFLAGS -U_FORTIFY_SOURCE"
3729     ;;
3730 i*86-*-darwin*)
3731     ORDER=G_LITTLE_ENDIAN
3732     ;;
3733 *-*-haiku*)
3734     LDFLAGS="$LDFLAGS -ltextencoding"
3735     ;;
3736 *-*-openbsd*)
3737     CFLAGS="$CFLAGS -pthread"
3738     LDFLAGS="$LDFLAGS -pthread"
3739     ;;
3740 esac
3741
3742 AC_SUBST(ORDER)
3743 AC_SUBST(CFLAGS)
3744 AC_SUBST(PATHSEP)
3745 AC_SUBST(SEARCHSEP)
3746 AC_SUBST(OS)
3747 AC_SUBST(PIDTYPE)
3748
3749 # Defined for all targets/platforms using classic Windows API support.
3750 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
3751 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
3752
3753 AC_CHECK_SIZEOF(int)
3754 AC_CHECK_SIZEOF(void *)
3755 AC_CHECK_SIZEOF(long)
3756 AC_CHECK_SIZEOF(long long)
3757 AC_CHECK_FUNCS(strlcpy stpcpy strtok_r rewinddir vasprintf strerror_r)
3758 AC_CHECK_FUNCS(getrlimit)
3759 AC_CHECK_FUNCS(fork execv execve)
3760
3761 AC_ARG_WITH([overridable-allocators], [  --with-overridable-allocators  allow g_*alloc/g_free to call custom allocators set via g_mem_set_vtable])
3762
3763 if test x$with_overridable_allocators = xyes; then
3764         AC_DEFINE(ENABLE_OVERRIDABLE_ALLOCATORS,1,[Overridable allocator support enabled])
3765   AC_MSG_NOTICE([Overridable allocator support enabled])
3766 else
3767   AC_MSG_NOTICE([Overridable allocator support disabled])
3768 fi
3769
3770 #
3771 # Mono currently supports 10.6, but strndup is not available prior to 10.7; avoiding
3772 # the detection of strndup on OS X so Mono built on 10.7+ still runs on 10.6. This can be
3773 # removed once support for 10.6 is dropped.
3774 #
3775 # iOS detection of strndup and getpwuid_r is faulty for some reason so let's simply avoid it
3776 #
3777 if test x$target_osx = xyes; then
3778 AC_CHECK_FUNCS(getpwuid_r)
3779 elif test x$target_ios = xno; then
3780 AC_CHECK_FUNCS(strndup getpwuid_r)
3781 fi
3782
3783 AM_CONDITIONAL(NEED_VASPRINTF, test x$ac_cv_func_vasprintf = xno || test x$with_overridable_allocators = xyes)
3784 AM_ICONV()
3785 AC_SEARCH_LIBS(sqrtf, m)
3786
3787 # nanosleep may not be part of libc, also search it in other libraries
3788 AC_SEARCH_LIBS(nanosleep, rt)
3789
3790 AC_SEARCH_LIBS(dlopen, dl)
3791 old_ldflags="${LDFLAGS}"
3792 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
3793 AC_TRY_LINK(, [int i;], found_export_dynamic=yes, found_export_dynamic=no)
3794 if test $found_export_dynamic = no; then
3795         LDFLAGS="${old_ldflags}"
3796 fi
3797
3798 AC_MSG_CHECKING(for varargs macros)
3799 AC_TRY_COMPILE([],[
3800 int foo (int i, int j);
3801 #define bar(...) foo (1, __VA_ARGS__)
3802 void main () {
3803          bar (2);
3804 }
3805 ],have_iso_varargs=yes,have_iso_varargs=no)
3806 AC_MSG_RESULT($have_iso_varargs)
3807 G_HAVE_ISO_VARARGS=0
3808 if test "x$have_iso_varargs" = "xyes"; then
3809    G_HAVE_ISO_VARARGS=1
3810 fi
3811 AC_SUBST(G_HAVE_ISO_VARARGS)
3812
3813 AC_CHECK_HEADERS(getopt.h sys/select.h sys/time.h sys/wait.h pwd.h iconv.h localcharset.h sys/types.h sys/resource.h)
3814 AC_CHECK_LIB([iconv], [locale_charset],[],[AC_CHECK_LIB([charset], [locale_charset],[LIBS+="-liconv -lcharset"])])
3815 AC_CHECK_HEADER(alloca.h, [HAVE_ALLOCA_H=1], [HAVE_ALLOCA_H=0])
3816 AC_SUBST(HAVE_ALLOCA_H)
3817
3818 if test $ac_cv_sizeof_void_p = $ac_cv_sizeof_int; then
3819    GPOINTER_TO_INT="((gint) (ptr))"
3820    GPOINTER_TO_UINT="((guint) (ptr))"
3821    GINT_TO_POINTER="((gpointer) (v))"
3822    GUINT_TO_POINTER="((gpointer) (v))"
3823    GSIZE="int"
3824    GSIZE_FORMAT='"u"'
3825 elif test $ac_cv_sizeof_void_p = $ac_cv_sizeof_long; then
3826    GPOINTER_TO_INT="((gint)(long) (ptr))"
3827    GPOINTER_TO_UINT="((guint)(long) (ptr))"
3828    GINT_TO_POINTER="((gpointer)(glong) (v))"
3829    GUINT_TO_POINTER="((gpointer)(gulong) (v))"
3830    GSIZE="long"
3831    GSIZE_FORMAT='"lu"'
3832 elif test $ac_cv_sizeof_void_p = $ac_cv_sizeof_long_long; then
3833    GPOINTER_TO_INT="((gint)(long long) (ptr))"
3834    GPOINTER_TO_UINT="((guint)(unsigned long long) (ptr))"
3835    GINT_TO_POINTER="((gpointer)(long long) (v))"
3836    GUINT_TO_POINTER="((gpointer)(unsigned long long) (v))"
3837    GSIZE="long long"
3838    GSIZE_FORMAT='"I64u"'
3839 else
3840    AC_MSG_ERROR([unsupported pointer size])
3841 fi
3842
3843 AC_SUBST(GPOINTER_TO_INT)
3844 AC_SUBST(GPOINTER_TO_UINT)
3845 AC_SUBST(GINT_TO_POINTER)
3846 AC_SUBST(GUINT_TO_POINTER)
3847 AC_SUBST(GSIZE)
3848 AC_SUBST(GSIZE_FORMAT)
3849 AC_SUBST(G_GUINT64_FORMAT)
3850 AC_SUBST(G_GINT64_FORMAT)
3851 AC_SUBST(G_GUINT32_FORMAT)
3852 AC_SUBST(G_GINT32_FORMAT)
3853
3854 #
3855 # END OF EGLIB CHECKS
3856 #
3857
3858 AC_ARG_WITH([libgdiplus],
3859         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3860         [], [with_libgdiplus=installed])
3861
3862 # default install location
3863 libgdiplus_install_loc=libgdiplus${libsuffix}
3864 case "$host" in
3865     *-*-*linux*)
3866     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3867     ;;
3868 esac
3869
3870 case $with_libgdiplus in
3871     no|installed)
3872     libgdiplus_loc=
3873     ;;
3874
3875     yes|sibling)
3876     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3877     ;;
3878
3879     /*) # absolute path, assume it is an install location
3880     libgdiplus_loc=$with_libgdiplus
3881     libgdiplus_install_loc=$with_libgdiplus
3882     ;;
3883
3884     *)
3885     libgdiplus_loc=`pwd`/$with_libgdiplus
3886     ;;
3887 esac
3888 AC_SUBST([libgdiplus_loc])
3889 AC_SUBST([libgdiplus_install_loc])
3890
3891 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3892 if test "x$icall_symbol_map" = "xyes"; then
3893    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3894 fi
3895
3896 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3897 if test "x$icall_export" = "xyes"; then
3898    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3899 fi
3900
3901 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3902 if test "x$icall_tables" = "xno"; then
3903    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3904 fi
3905
3906 if test "x$with_tls" = "x__thread"; then
3907         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3908         # Pass the information to libgc
3909         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3910         AC_MSG_CHECKING(if the tls_model attribute is supported)
3911         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3912                 ], [
3913                         AC_MSG_RESULT(yes)
3914                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3915                 ], [
3916                         AC_MSG_RESULT(no)
3917         ])
3918 fi
3919
3920 if test ${TARGET} = ARM; then
3921         dnl ******************************************
3922         dnl *** Check to see what FPU is available ***
3923         dnl ******************************************
3924         AC_MSG_CHECKING(which FPU to use)
3925
3926         #
3927         # This is a bit tricky:
3928         #
3929         # if (__ARM_PCS_VFP) {
3930         #       /* mfloat-abi=hard == VFP with hard ABI */
3931         # } elif (!__SOFTFP__) {
3932         #       /* mfloat-abi=softfp == VFP with soft ABI */
3933         # } else {
3934         #       /* mfloat-abi=soft == no VFP */
3935         # }
3936         #
3937         # The exception is iOS (w/ GCC) where none of the above
3938         # are defined (but iOS always uses the 'softfp' ABI).
3939         #
3940         # No support for FPA.
3941         #
3942
3943         fpu=NONE
3944
3945         # iOS GCC always uses the 'softfp' ABI.
3946         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3947                 fpu=VFP
3948         fi
3949
3950         # Are we using the 'hard' ABI?
3951         if test x$fpu = xNONE; then
3952                 AC_TRY_COMPILE([], [
3953                         #ifndef __ARM_PCS_VFP
3954                         #error "Float ABI is not 'hard'"
3955                         #endif
3956                         return 0;
3957                 ], [
3958                         fpu=VFP_HARD
3959                 ], [
3960                         fpu=NONE
3961                 ])
3962         fi
3963
3964         # No 'hard' ABI. 'soft' or 'softfp'?
3965         if test x$fpu = xNONE; then
3966                 AC_TRY_COMPILE([], [
3967                         #ifdef __SOFTFP__
3968                         #error "Float ABI is not 'softfp'"
3969                         #endif
3970                         return 0;
3971                 ], [
3972                         fpu=VFP
3973                 ], [
3974                         fpu=NONE
3975                 ])
3976         fi
3977
3978         if test x$arm_fpu != x; then
3979            fpu=$arm_fpu
3980         fi
3981
3982         AC_MSG_RESULT($fpu)
3983         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3984         unset fpu
3985
3986         dnl *********************************************
3987         dnl *** Check which ARM version(s) we can use ***
3988         dnl *********************************************
3989         AC_MSG_CHECKING(which ARM version to use)
3990
3991         AC_TRY_COMPILE([], [
3992                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3993                 #error Not on ARM v5.
3994                 #endif
3995                 return 0;
3996         ], [
3997                 arm_v5=yes
3998
3999                 arm_ver=ARMv5
4000         ], [])
4001
4002         AC_TRY_COMPILE([], [
4003                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
4004                 #error Not on ARM v6.
4005                 #endif
4006                 return 0;
4007         ], [
4008                 arm_v5=yes
4009                 arm_v6=yes
4010
4011                 arm_ver=ARMv6
4012         ], [])
4013
4014         AC_TRY_COMPILE([], [
4015                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
4016                 #error Not on ARM v7.
4017                 #endif
4018                 return 0;
4019         ], [
4020                 arm_v5=yes
4021                 arm_v6=yes
4022                 arm_v7=yes
4023
4024                 arm_ver=ARMv7
4025         ], [])
4026
4027         AC_MSG_RESULT($arm_ver)
4028
4029         if test x$arm_v5 = xyes; then
4030                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
4031                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
4032         fi
4033
4034         if test x$arm_v6 = xyes; then
4035                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
4036                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
4037         fi
4038
4039         if test x$arm_v7 = xyes; then
4040                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
4041                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
4042         fi
4043 fi
4044
4045 if test ${TARGET} = unknown; then
4046         CPPFLAGS="$CPPFLAGS -DNO_PORT"
4047         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
4048 fi
4049
4050 if test "x$platform_android" = "xyes"; then
4051         case "x${TARGET}" in
4052         xARM)
4053                 case "x$arm_ver" in
4054                 xARMv5)
4055                         BTLS_SUPPORTED=yes
4056                         BTLS_PLATFORM=android-armv5
4057                         ;;
4058                 xARMv6)
4059                         BTLS_SUPPORTED=yes
4060                         BTLS_PLATFORM=android-armv6
4061                         ;;
4062                 xARMv7)
4063                         BTLS_SUPPORTED=yes
4064                         BTLS_PLATFORM=android-armv7
4065                         ;;
4066                 *)
4067                         BTLS_SUPPORTED=no
4068                         ;;
4069                 esac
4070                 ;;
4071         xARM64)
4072                 BTLS_SUPPORTED=yes
4073                 BTLS_PLATFORM=android-v8a
4074                 ;;
4075         xX86)
4076                 BTLS_SUPPORTED=yes
4077                 BTLS_PLATFORM=android-x86
4078                 ;;
4079         xAMD64)
4080                 BTLS_SUPPORTED=yes
4081                 BTLS_PLATFORM=android-x64
4082                 ;;
4083         *)
4084                 BTLS_SUPPORTED=no
4085                 ;;
4086         esac
4087 fi
4088
4089 if test ${ACCESS_UNALIGNED} = no; then
4090         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
4091 fi
4092
4093 if test x$host_darwin = xyes; then
4094         AC_MSG_CHECKING([for ranlib that supports -no_warning_for_no_symbols option])
4095         AS_IF(
4096                 [$RANLIB -no_warning_for_no_symbols 2>&1 | grep -q "unknown option"],
4097                 [AC_MSG_RESULT([no])],
4098                 [
4099                         # avoid AR calling ranlib, libtool calls it anyway. suppress no symbols warning.
4100                         AR_FLAGS="Scru"
4101                         RANLIB="$RANLIB -no_warning_for_no_symbols"
4102                         AC_MSG_RESULT([yes])
4103                 ]
4104         )
4105 fi
4106
4107 case "x$libgc" in
4108         xincluded)
4109                 # Pass CPPFLAGS to libgc configure
4110                 # We should use a separate variable for this to avoid passing useless and
4111                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
4112                 # This should be executed late so we pick up the final version of CPPFLAGS
4113                 # The problem with this approach, is that during a reconfigure, the main
4114                 # configure scripts gets invoked with these arguments, so we use separate
4115                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
4116                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
4117                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
4118                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
4119                 fi
4120                 # Don't pass -finstrument-for-thread-suspension in, 
4121                 # if these are instrumented it will be very bad news 
4122                 # (infinite recursion, undefined parking behavior, etc)
4123                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
4124                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
4125                 if test "x$support_boehm" = "xyes"; then
4126                         AC_CONFIG_SUBDIRS(libgc)
4127                 fi
4128                 ;;
4129 esac
4130
4131 MALLOC_MEMPOOLS=no
4132 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
4133         if test x$with_malloc_mempools = xyes; then
4134                 MALLOC_MEMPOOLS=yes
4135                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
4136         fi
4137 ])
4138
4139
4140 DISABLE_MCS_DOCS=default
4141 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
4142         if test x$with_mcs_docs != xyes; then
4143                 DISABLE_MCS_DOCS=yes
4144         fi
4145 ])
4146 if test -n "$INSTALL_4_x_TRUE"; then :
4147         DISABLE_MCS_DOCS=yes
4148 fi
4149 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
4150    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
4151 fi
4152
4153 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
4154         if test x$with_lazy_gc_thread_creation != xno ; then
4155                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
4156         fi
4157 ], [with_lazy_gc_thread_creation=no])
4158
4159 AC_ARG_WITH(cooperative_gc, [  --with-cooperative-gc=yes|no      Enable cooperative stop-the-world garbage collection (sgen only) (defaults to no)], [], [with_cooperative_gc=default])
4160
4161 if test x$with_cooperative_gc = xdefault; then
4162         with_cooperative_gc=$with_cooperative_gc_default
4163 fi
4164
4165 if test x$with_cooperative_gc != xno; then
4166         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
4167 fi
4168
4169 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
4170
4171 AC_ARG_ENABLE(checked_build, [  --enable-checked-build=LIST      To enable checked build (expensive asserts), configure with a comma-separated LIST of checked build modules and then include that same list in the environment variable MONO_CHECK_MODE at runtime. Recognized checked build modules: all, gc, metadata, thread],[
4172
4173         if test x$enable_checked_build != x ; then
4174                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
4175         fi
4176         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
4177                 eval "mono_checked_build_test_enable_$feature='yes'"
4178         done
4179
4180         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
4181                 eval "mono_checked_build_test_enable_gc='yes'"
4182                 eval "mono_checked_build_test_enable_metadata='yes'"
4183                 eval "mono_checked_build_test_enable_thread='yes'"
4184         fi
4185
4186         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
4187                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
4188         fi
4189
4190         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
4191                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
4192         fi
4193
4194         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
4195                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
4196         fi
4197
4198 ], [])
4199
4200 AC_CHECK_HEADER([malloc.h], 
4201                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
4202                         [Define to 1 if you have /usr/include/malloc.h.])],,)
4203
4204 if test x"$GCC" = xyes; then
4205         # Implicit function declarations are not 64 bit safe
4206         # Do this late, since this causes lots of configure tests to fail
4207         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
4208         # jay has a lot of implicit declarations
4209         JAY_CFLAGS="-Wno-implicit-function-declaration"
4210 fi
4211
4212 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
4213 # instead of libmono-static.a
4214 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
4215    LIBMONO_LA=libmini-static.la
4216 else
4217    if test x$buildsgen = xyes; then
4218       LIBMONO_LA=libmonosgen-$API_VER.la
4219    else
4220       LIBMONO_LA=libmonoboehm-$API_VER.la
4221    fi
4222 fi
4223 AC_SUBST(LIBMONO_LA)
4224
4225 dnl **************
4226 dnl ***  Btls  ***
4227 dnl **************
4228
4229 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
4230 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
4231
4232 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
4233
4234 btls_android=no
4235 if test "x$enable_btls" = "xyes"; then
4236         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
4237         if test "x$CMAKE" = "xno"; then
4238                 AC_MSG_ERROR("cmake not found")
4239         fi
4240
4241         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
4242         AC_SUBST(BTLS_ROOT)
4243
4244         btls_arch=
4245         btls_cflags=
4246         BTLS_CMAKE_ARGS=
4247
4248         case "$BTLS_PLATFORM" in
4249         i386)
4250                 btls_arch=i386
4251                 btls_cflags="-m32"
4252                 case $host_os in
4253                         darwin*)
4254                                 btls_cflags="$btls_cflags -arch i386"
4255                 esac
4256                 ;;
4257         x86_64)
4258                 btls_arch=x86_64
4259                 ;;
4260         arm)
4261                 btls_arch=arm
4262                 ;;
4263         armsoft)
4264                 btls_arch=arm
4265                 btls_cflags="-DOPENSSL_NO_ASM=1"
4266                 ;;
4267         aarch64)
4268                 btls_arch=aarch64
4269                 ;;
4270         android-armv5)
4271                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4272                 ;;
4273         android-armv6)
4274                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4275                 ;;
4276         android-armv7)
4277                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
4278                 ;;
4279         android-v8a)
4280                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
4281                 ;;
4282         android-x86)
4283                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
4284                 ;;
4285         android-x64)
4286                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
4287                 ;;
4288         *)
4289                 AC_MSG_ERROR(Invalid BTLS platform)
4290         esac
4291
4292         if test "x$platform_android" = "xyes"; then
4293                 btls_android=yes
4294                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
4295                 if test "x$with_btls_android_ndk" != "x"; then
4296                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
4297                 else
4298                         AC_MSG_ERROR([Need to pass the --with-btls-android-ndk argument when building with BTLS support on Android.])
4299                 fi
4300         fi
4301
4302         if test "x$btls_arch" != "x"; then
4303                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
4304         fi
4305
4306         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4307         AC_SUBST(BTLS_ARCH)
4308         AC_SUBST(BTLS_CFLAGS)
4309         AC_SUBST(BTLS_PLATFORM)
4310         AC_SUBST(BTLS_CMAKE_ARGS)
4311
4312         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4313 else
4314         enable_btls=no
4315 fi
4316
4317 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4318
4319 if test x$DISABLE_MCS_DOCS = xyes; then
4320    docs_dir=""
4321 else
4322    docs_dir=docs
4323 fi
4324 AC_SUBST(docs_dir)
4325
4326 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4327 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4328
4329 libmono_ldflags="$libmono_ldflags $LIBS"
4330
4331 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4332 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4333 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4334 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4335 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4336 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4337 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4338 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4339 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4340 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4341 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4342 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4343 AM_CONDITIONAL(WASM, test x$TARGET = xWASM)
4344 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4345 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4346 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4347 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4348 AM_CONDITIONAL(HOST_WASM, test x$HOST = xWASM)
4349
4350 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4351
4352 AC_SUBST(LIBC)
4353 AC_SUBST(INTL)
4354 AC_SUBST(SQLITE)
4355 AC_SUBST(SQLITE3)
4356 AC_SUBST(X11)
4357 AC_SUBST(GDKX11)
4358 AC_SUBST(GTKX11)
4359 AC_SUBST(XINERAMA)
4360 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4361 AC_SUBST(arch_target)
4362 AC_SUBST(CFLAGS)
4363 AC_SUBST(CPPFLAGS)
4364 AC_SUBST(LDFLAGS)
4365
4366 #This must always be defined when building the runtime
4367 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4368
4369 mono_build_root=`pwd`
4370 AC_SUBST(mono_build_root)
4371
4372 mono_runtime=mono/mini/mono
4373 AC_SUBST(mono_runtime)
4374
4375 CSC_LOCATION=`cd $srcdir && pwd`/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.2.3.1/tools/csc.exe
4376
4377 if test $csc_compiler = mcs; then
4378   CSC=$mcs_topdir/class/lib/build/mcs.exe
4379 else
4380   CSC=$CSC_LOCATION
4381 fi
4382
4383 mono_cfg_root=$mono_build_root/runtime
4384 if test x$host_win32 = xyes; then
4385   if test "x$cross_compiling" = "xno"; then
4386     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4387     CSC=`cygpath -m -a $CSC`
4388     CSC_LOCATION=`cygpath -m -a $CSC_LOCATION`
4389   else
4390     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4391   fi
4392 else
4393   mono_cfg_dir=$mono_cfg_root/etc
4394 fi
4395 AC_SUBST(mono_cfg_dir)
4396
4397 AC_SUBST(CSC)
4398
4399 AC_CONFIG_FILES([po/mcs/Makefile.in])
4400
4401 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4402 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4403
4404 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4405 [   depth=../../../..
4406     case $srcdir in
4407     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4408     .) reldir=$depth ;;
4409     *) reldir=$depth/$srcdir ;;
4410     esac
4411     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4412     cd runtime/etc/mono/1.0
4413     rm -f machine.config
4414     $LN_S $reldir/data/net_1_1/machine.config machine.config
4415     cd $depth
4416 ],[LN_S='$LN_S'])
4417
4418 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4419 [   depth=../../../..
4420     case $srcdir in
4421     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4422     .) reldir=$depth ;;
4423     *) reldir=$depth/$srcdir ;;
4424     esac
4425     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4426     cd runtime/etc/mono/2.0
4427     rm -f machine.config
4428     $LN_S $reldir/data/net_2_0/machine.config machine.config
4429     cd $depth
4430 ],[LN_S='$LN_S'])
4431
4432 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4433 [   depth=../../../..
4434     case $srcdir in
4435     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4436     .) reldir=$depth ;;
4437     *) reldir=$depth/$srcdir ;;
4438     esac
4439     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4440     cd runtime/etc/mono/2.0
4441     rm -f web.config
4442     $LN_S $reldir/data/net_2_0/web.config web.config
4443     cd $depth
4444 ],[LN_S='$LN_S'])
4445
4446 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4447 [   depth=../../..
4448     case $srcdir in
4449     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4450     .) reldir=$depth ;;
4451     *) reldir=$depth/$srcdir ;;
4452     esac
4453     $ac_aux_dir/install-sh -d runtime/etc/mono/
4454     cd runtime/etc/mono/
4455     rm -f browscap.ini
4456     $LN_S $reldir/data/browscap.ini browscap.ini
4457     cd $depth
4458 ],[LN_S='$LN_S'])
4459
4460 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4461 [   depth=../../../../..
4462     case $srcdir in
4463     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4464     .) reldir=$depth ;;
4465     *) reldir=$depth/$srcdir ;;
4466     esac
4467     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4468     cd runtime/etc/mono/2.0/Browsers
4469     rm -f Compat.browser
4470     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4471     cd $depth
4472 ],[LN_S='$LN_S'])
4473
4474 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4475 [   depth=../../../../..
4476     case $srcdir in
4477     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4478     .) reldir=$depth ;;
4479     *) reldir=$depth/$srcdir ;;
4480     esac
4481     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4482     cd runtime/etc/mono/4.0/Browsers
4483     rm -f Compat.browser
4484     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4485     cd $depth
4486 ],[LN_S='$LN_S'])
4487
4488 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4489 [   depth=../../../../..
4490     case $srcdir in
4491     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4492     .) reldir=$depth ;;
4493     *) reldir=$depth/$srcdir ;;
4494     esac
4495     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4496     cd runtime/etc/mono/4.5/Browsers
4497     rm -f Compat.browser
4498     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4499     cd $depth
4500 ],[LN_S='$LN_S'])
4501
4502 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4503 [   depth=../../../..
4504     case $srcdir in
4505     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4506     .) reldir=$depth ;;
4507     *) reldir=$depth/$srcdir ;;
4508     esac
4509     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4510     cd runtime/etc/mono/4.0
4511     rm -f machine.config
4512     $LN_S $reldir/data/net_4_0/machine.config machine.config
4513     cd $depth
4514 ],[LN_S='$LN_S'])
4515
4516 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4517 [   depth=../../../..
4518     case $srcdir in
4519     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4520     .) reldir=$depth ;;
4521     *) reldir=$depth/$srcdir ;;
4522     esac
4523     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4524     cd runtime/etc/mono/4.0
4525     rm -f web.config
4526     $LN_S $reldir/data/net_4_0/web.config web.config
4527     cd $depth
4528 ],[LN_S='$LN_S'])
4529
4530 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4531 [   depth=../../../..
4532     case $srcdir in
4533     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4534     .) reldir=$depth ;;
4535     *) reldir=$depth/$srcdir ;;
4536     esac
4537     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4538     cd runtime/etc/mono/4.5
4539     rm -f machine.config
4540     $LN_S $reldir/data/net_4_5/machine.config machine.config
4541     cd $depth
4542 ],[LN_S='$LN_S'])
4543
4544 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4545 [   depth=../../../..
4546     case $srcdir in
4547     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4548     .) reldir=$depth ;;
4549     *) reldir=$depth/$srcdir ;;
4550     esac
4551     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4552     cd runtime/etc/mono/4.5
4553     rm -f web.config
4554     $LN_S $reldir/data/net_4_5/web.config web.config
4555     cd $depth
4556 ],[LN_S='$LN_S'])
4557
4558 AC_CONFIG_COMMANDS([quiet-libtool], [sed -e 's/echo "copying selected/# "copying selected/g' < libtool > libtool.tmp && mv libtool.tmp libtool && chmod a+x libtool; sed -e 's/$ECHO "copying selected/# "copying selected/g' < libtool > libtool.tmp && mv libtool.tmp libtool && chmod a+x libtool])
4559 AC_CONFIG_COMMANDS([nolock-libtool], [sed -e 's/lock_old_archive_extraction=yes/lock_old_archive_extraction=no/g' < libtool > libtool.tmp && mv libtool.tmp libtool && chmod a+x libtool])
4560
4561 AC_OUTPUT([
4562 Makefile
4563 mono-uninstalled.pc
4564 acceptance-tests/Makefile
4565 llvm/Makefile
4566 scripts/mono-find-provides
4567 scripts/mono-find-requires
4568 mono/Makefile
4569 mono/btls/Makefile
4570 mono/utils/Makefile
4571 mono/metadata/Makefile
4572 mono/dis/Makefile
4573 mono/cil/Makefile
4574 mono/arch/Makefile
4575 mono/arch/x86/Makefile
4576 mono/arch/amd64/Makefile
4577 mono/arch/ppc/Makefile
4578 mono/arch/sparc/Makefile
4579 mono/arch/s390x/Makefile
4580 mono/arch/arm/Makefile
4581 mono/arch/arm64/Makefile
4582 mono/arch/mips/Makefile
4583 mono/sgen/Makefile
4584 mono/tests/Makefile
4585 mono/tests/tests-config
4586 mono/tests/gc-descriptors/Makefile
4587 mono/tests/testing_gac/Makefile
4588 mono/unit-tests/Makefile
4589 mono/benchmark/Makefile
4590 mono/mini/Makefile
4591 mono/profiler/Makefile
4592 mono/eglib/Makefile
4593 mono/eglib/eglib-config.h
4594 m4/Makefile
4595 ikvm-native/Makefile
4596 scripts/Makefile
4597 man/Makefile
4598 docs/Makefile
4599 data/Makefile
4600 data/net_2_0/Makefile
4601 data/net_4_0/Makefile
4602 data/net_4_5/Makefile
4603 data/net_2_0/Browsers/Makefile
4604 data/net_4_0/Browsers/Makefile
4605 data/net_4_5/Browsers/Makefile
4606 data/mint.pc
4607 data/mono-2.pc
4608 data/monosgen-2.pc
4609 data/mono.pc
4610 data/mono-cairo.pc
4611 data/mono-nunit.pc
4612 data/mono-options.pc
4613 data/mono-lineeditor.pc
4614 data/monodoc.pc
4615 data/dotnet.pc
4616 data/dotnet35.pc
4617 data/wcf.pc
4618 data/cecil.pc
4619 data/system.web.extensions_1.0.pc
4620 data/system.web.extensions.design_1.0.pc
4621 data/system.web.mvc.pc
4622 data/system.web.mvc2.pc
4623 data/system.web.mvc3.pc
4624 data/aspnetwebstack.pc
4625 data/reactive.pc
4626 samples/Makefile
4627 support/Makefile
4628 data/config
4629 tools/Makefile
4630 tools/locale-builder/Makefile
4631 tools/sgen/Makefile
4632 tools/monograph/Makefile
4633 tools/pedump/Makefile
4634 runtime/Makefile
4635 msvc/Makefile
4636 po/Makefile
4637 ])
4638
4639 # Update all submodules recursively to ensure everything is checked out
4640 $srcdir/scripts/update_submodules.sh
4641
4642 if test x$host_win32 = xyes; then
4643    # Get rid of 'cyg' prefixes in library names
4644    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4645    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4646    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4647    # executable doesn't work...
4648    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4649 fi
4650
4651 if test x$host_darwin = xyes; then
4652    # This doesn't seem to be required and it slows down parallel builds
4653    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4654 fi
4655
4656 (
4657   case $prefix in
4658   NONE) prefix=$ac_default_prefix ;;
4659   esac
4660   case $exec_prefix in
4661   NONE) exec_prefix='${prefix}' ;;
4662   esac
4663
4664   #
4665   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4666   # any existing config.make.  This allows people to share the same source tree
4667   # with different build directories, one native and one cross
4668   #
4669   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4670
4671     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4672
4673     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4674     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4675     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4676     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4677     echo "mono_build_root=$mono_build_root" >> $mcs_topdir/build/config.make
4678     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4679     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4680     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4681     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4682
4683     case $INSTALL in
4684     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4685     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4686     esac
4687
4688     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4689
4690     export VERSION
4691     [myver=$($AWK 'BEGIN {
4692       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4693       if(length(vsplit [1]) > 4) {
4694         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4695       }
4696       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4697     }')]
4698
4699     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4700     echo "MONO_CORLIB_VERSION = $MONO_CORLIB_VERSION" >> $mcs_topdir/build/config.make
4701
4702     if test x$host_darwin = xyes; then
4703       echo "BUILD_PLATFORM = darwin" >> $mcs_topdir/build/config.make
4704     elif test x$host_win32 = xyes; then
4705       echo "BUILD_PLATFORM = win32" >> $mcs_topdir/build/config.make
4706     else
4707       echo "BUILD_PLATFORM = linux" >> $mcs_topdir/build/config.make
4708     fi
4709
4710     if test x$host_darwin = xyes; then
4711       echo "HOST_PLATFORM ?= darwin" >> $mcs_topdir/build/config.make
4712     elif test x$host_win32 = xyes; then
4713       echo "HOST_PLATFORM ?= win32" >> $mcs_topdir/build/config.make
4714     else
4715       echo "HOST_PLATFORM ?= linux" >> $mcs_topdir/build/config.make
4716     fi
4717
4718     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4719       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4720     fi
4721
4722         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4723            enable_system_aot=yes
4724         fi
4725
4726     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4727       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4728     fi
4729
4730     if test x$DISABLE_MCS_DOCS = xyes; then
4731       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4732     fi
4733
4734     if test x$has_extension_module != xno; then
4735         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4736     fi
4737     
4738     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4739     
4740     if test "x$test_bcl_opt" = "xyes"; then    
4741       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4742     fi
4743
4744     echo "CSC_LOCATION = $CSC_LOCATION" >> $srcdir/$mcsdir/build/config.make
4745
4746     if test $csc_compiler = mcs; then
4747       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
4748     fi
4749
4750     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4751       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4752       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4753     fi
4754
4755     if test "x$enable_btls" = "xyes"; then
4756       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4757     fi
4758
4759   fi
4760
4761 )
4762
4763 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4764
4765 btls_platform_string=
4766 if test x$enable_btls = xyes; then
4767         if test x$btls_android = xyes; then
4768                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4769         else
4770                 btls_platform_string=" ($BTLS_PLATFORM)"
4771         fi
4772 fi
4773
4774 echo "
4775         mcs source:    $mcsdir
4776         C# Compiler:   $csc_compiler
4777
4778    Engine:
4779         Host:          $host
4780         Target:        $target
4781         GC:            $gc_msg 
4782         TLS:           $with_tls
4783         SIGALTSTACK:   $with_sigaltstack
4784         Engine:        $jit_status
4785         BigArrays:     $enable_big_arrays
4786         DTrace:        $enable_dtrace
4787         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4788         Interpreter:   $enable_interpreter
4789
4790    Libraries:
4791         .NET 4.x:        $with_profile4_x
4792         Xamarin.Android: $with_monodroid
4793         Xamarin.iOS:     $with_monotouch
4794         Xamarin.WatchOS: $with_monotouch_watch
4795         Xamarin.TVOS:    $with_monotouch_tv
4796         Xamarin.Mac:     $with_xammac
4797         Windows AOT:     $with_winaot
4798         Orbis:           $with_orbis
4799         Unreal:          $with_unreal
4800         Test profiles:   AOT Full ($with_testing_aot_full), AOT Hybrid ($with_testing_aot_hybrid)
4801         JNI support:     $jdk_headers_found
4802         libgdiplus:      $libgdiplus_msg
4803         zlib:            $zlib_msg
4804         BTLS:            $enable_btls$btls_platform_string
4805         $disabled
4806 "
4807 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4808    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4809 fi