[socket] Reduce handle manipulations in native (#5378)
[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=1
44 MONO_CORLIB_VERSION=`printf "1%02d%02d%02d%03d" $MONO_VERSION_MAJOR $MONO_VERSION_MINOR 0 $MONO_CORLIB_COUNTER`
45
46 AC_DEFINE_UNQUOTED(MONO_CORLIB_VERSION,$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         AC_FUNC_STRERROR_R()
1506
1507         dnl ****************************************************************
1508         dnl *** Check for sched_setaffinity from glibc versions before   ***
1509         dnl *** 2.3.4. The older versions of the function only take 2    ***
1510         dnl *** parameters, not 3.                                       ***
1511         dnl ***                                                          ***
1512         dnl *** Because the interface change was not made in a minor     ***
1513         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1514         dnl *** won't always indicate the interface sched_affinity has.  ***
1515         dnl ****************************************************************
1516         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1517         AC_TRY_COMPILE([#include <sched.h>], [
1518             int mask = 1; 
1519             sched_setaffinity(0, &mask);
1520                         return 0;
1521         ], [
1522                 # Yes, we have it...
1523                 AC_MSG_RESULT(yes)
1524                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1525         ], [
1526                 # We have the new, three-parameter version
1527                 AC_MSG_RESULT(no)
1528         ])
1529         AC_TRY_COMPILE([#include <sched.h>], [
1530              CPU_COUNT((void *) 0);
1531         ], [
1532                 AC_MSG_RESULT(yes)
1533                 AC_DEFINE(GLIBC_HAS_CPU_COUNT, 1, [GLIBC has CPU_COUNT macro in sched.h])
1534         ], [
1535                 # We have the new, three-parameter version
1536                 AC_MSG_RESULT(no)
1537         ])
1538
1539         dnl ******************************************************************
1540         dnl *** Check for large file support                               ***
1541         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1542         dnl ******************************************************************
1543         
1544         # Check that off_t can represent 2**63 - 1 correctly, working around
1545         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1546         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1547         large_offt=no
1548         AC_DEFUN([LARGE_FILES], [
1549                 large_CPPFLAGS=$CPPFLAGS
1550                 CPPFLAGS="$CPPFLAGS $1"
1551                 AC_TRY_COMPILE([
1552                         #include <sys/types.h>
1553                         #include <limits.h>
1554                 ], [
1555                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1556                         #define COMPILE_TIME_ASSERT(pred) \
1557                                 switch(0){case 0:case pred:;}
1558                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1559                 ], [
1560                         AC_MSG_RESULT(ok)
1561                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1562                         large_CPPFLAGS="$large_CPPFLAGS $1"
1563                         large_offt=yes
1564                 ], [
1565                         AC_MSG_RESULT(no)
1566                 ])
1567                 CPPFLAGS=$large_CPPFLAGS
1568         ])
1569
1570         AC_MSG_CHECKING(if off_t is 64 bits wide)
1571         LARGE_FILES("")
1572         if test $large_offt = no; then
1573                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1574                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1575         fi
1576         if test $large_offt = no; then
1577                 AC_MSG_WARN([No 64 bit file size support available])
1578         fi
1579         
1580         dnl *****************************
1581         dnl *** Checks for libsocket  ***
1582         dnl *****************************
1583         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1584
1585         case "$host" in
1586                 *-*-*freebsd*)
1587                         dnl *****************************
1588                         dnl *** Checks for libinotify ***
1589                         dnl *****************************
1590                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1591         esac
1592
1593         dnl *******************************
1594         dnl *** Checks for MSG_NOSIGNAL ***
1595         dnl *******************************
1596         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1597         AC_TRY_COMPILE([#include <sys/socket.h>], [
1598                 int f = MSG_NOSIGNAL;
1599         ], [
1600                 # Yes, we have it...
1601                 AC_MSG_RESULT(yes)
1602                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1603         ], [
1604                 # We'll have to use signals
1605                 AC_MSG_RESULT(no)
1606         ])
1607
1608         dnl *****************************
1609         dnl *** Checks for IPPROTO_IP ***
1610         dnl *****************************
1611         AC_MSG_CHECKING(for IPPROTO_IP)
1612         AC_TRY_COMPILE([#include <netinet/in.h>], [
1613                 int level = IPPROTO_IP;
1614         ], [
1615                 # Yes, we have it...
1616                 AC_MSG_RESULT(yes)
1617                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1618         ], [
1619                 # We'll have to use getprotobyname
1620                 AC_MSG_RESULT(no)
1621         ])
1622
1623         dnl *******************************
1624         dnl *** Checks for IPPROTO_IPV6 ***
1625         dnl *******************************
1626         AC_MSG_CHECKING(for IPPROTO_IPV6)
1627         AC_TRY_COMPILE([#include <netinet/in.h>], [
1628                 int level = IPPROTO_IPV6;
1629         ], [
1630                 # Yes, we have it...
1631                 AC_MSG_RESULT(yes)
1632                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1633         ], [
1634                 # We'll have to use getprotobyname
1635                 AC_MSG_RESULT(no)
1636         ])
1637
1638         dnl ******************************
1639         dnl *** Checks for IPPROTO_TCP ***
1640         dnl ******************************
1641         AC_MSG_CHECKING(for IPPROTO_TCP)
1642         AC_TRY_COMPILE([#include <netinet/in.h>], [
1643                 int level = IPPROTO_TCP;
1644         ], [
1645                 # Yes, we have it...
1646                 AC_MSG_RESULT(yes)
1647                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1648         ], [
1649                 # We'll have to use getprotobyname
1650                 AC_MSG_RESULT(no)
1651         ])
1652
1653         dnl *****************************
1654         dnl *** Checks for SOL_IP     ***
1655         dnl *****************************
1656         AC_MSG_CHECKING(for SOL_IP)
1657         AC_TRY_COMPILE([#include <netdb.h>], [
1658                 int level = SOL_IP;
1659         ], [
1660                 # Yes, we have it...
1661                 AC_MSG_RESULT(yes)
1662                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1663         ], [
1664                 # We'll have to use getprotobyname
1665                 AC_MSG_RESULT(no)
1666         ])
1667
1668         dnl *****************************
1669         dnl *** Checks for SOL_IPV6     ***
1670         dnl *****************************
1671         AC_MSG_CHECKING(for SOL_IPV6)
1672         AC_TRY_COMPILE([#include <netdb.h>], [
1673                 int level = SOL_IPV6;
1674         ], [
1675                 # Yes, we have it...
1676                 AC_MSG_RESULT(yes)
1677                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1678         ], [
1679                 # We'll have to use getprotobyname
1680                 AC_MSG_RESULT(no)
1681         ])
1682
1683         dnl *****************************
1684         dnl *** Checks for SOL_TCP    ***
1685         dnl *****************************
1686         AC_MSG_CHECKING(for SOL_TCP)
1687         AC_TRY_COMPILE([#include <netdb.h>], [
1688                 int level = SOL_TCP;
1689         ], [
1690                 # Yes, we have it...
1691                 AC_MSG_RESULT(yes)
1692                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1693         ], [
1694                 # We'll have to use getprotobyname
1695                 AC_MSG_RESULT(no)
1696         ])
1697
1698         dnl *****************************
1699         dnl *** Checks for IP_PKTINFO ***
1700         dnl *****************************
1701         AC_MSG_CHECKING(for IP_PKTINFO)
1702         AC_TRY_COMPILE([#include <linux/in.h>], [
1703                 int level = IP_PKTINFO;
1704         ], [
1705                 # Yes, we have it...
1706                 AC_MSG_RESULT(yes)
1707                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1708         ], [
1709                 AC_MSG_RESULT(no)
1710         ])
1711
1712         dnl *****************************
1713         dnl *** Checks for IPV6_PKTINFO ***
1714         dnl *****************************
1715         AC_MSG_CHECKING(for IPV6_PKTINFO)
1716         AC_TRY_COMPILE([#include <netdb.h>], [
1717                 int level = IPV6_PKTINFO;
1718         ], [
1719                 # Yes, we have it...
1720                 AC_MSG_RESULT(yes)
1721                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1722         ], [
1723                 AC_MSG_RESULT(no)
1724         ])
1725
1726         dnl **********************************
1727         dnl *** Checks for IP_DONTFRAG     ***
1728         dnl **********************************
1729         AC_MSG_CHECKING(for IP_DONTFRAG)
1730         AC_TRY_COMPILE([#include <netinet/in.h>], [
1731                 int level = IP_DONTFRAG;
1732         ], [
1733                 # Yes, we have it...
1734                 AC_MSG_RESULT(yes)
1735                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1736         ], [
1737                 AC_MSG_RESULT(no)
1738         ])
1739
1740         dnl **********************************
1741         dnl *** Checks for IP_DONTFRAGMENT ***
1742         dnl **********************************
1743         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1744         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1745                 int level = IP_DONTFRAGMENT;
1746         ], [
1747                 # Yes, we have it...
1748                 AC_MSG_RESULT(yes)
1749                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1750         ], [
1751                 AC_MSG_RESULT(no)
1752         ])
1753
1754         dnl **********************************
1755         dnl *** Checks for IP_MTU_DISCOVER ***
1756         dnl **********************************
1757         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1758         AC_TRY_COMPILE([#include <linux/in.h>], [
1759                 int level = IP_MTU_DISCOVER;
1760         ], [
1761                 # Yes, we have it...
1762                 AC_MSG_RESULT(yes)
1763                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1764         ], [
1765                 AC_MSG_RESULT(no)
1766         ])
1767
1768         dnl **********************************
1769         dnl *** Checks for  IP_PMTUDISC_DO ***
1770         dnl **********************************
1771         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1772         AC_TRY_COMPILE([#include <linux/in.h>], [
1773                 int level = IP_PMTUDISC_DO;
1774         ], [
1775                 # Yes, we have it...
1776                 AC_MSG_RESULT(yes)
1777                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1778         ], [
1779                 AC_MSG_RESULT(no)
1780         ])
1781
1782         dnl *********************************
1783         dnl *** Check for struct ip_mreqn ***
1784         dnl *********************************
1785         AC_MSG_CHECKING(for struct ip_mreqn)
1786         AC_TRY_COMPILE([#include <netinet/in.h>], [
1787                 struct ip_mreqn mreq;
1788                 mreq.imr_address.s_addr = 0;
1789         ], [
1790                 # Yes, we have it...
1791                 AC_MSG_RESULT(yes)
1792                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1793         ], [
1794                 # We'll just have to try and use struct ip_mreq
1795                 AC_MSG_RESULT(no)
1796                 AC_MSG_CHECKING(for struct ip_mreq)
1797                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1798                         struct ip_mreq mreq;
1799                         mreq.imr_interface.s_addr = 0;
1800                 ], [
1801                         # Yes, we have it...
1802                         AC_MSG_RESULT(yes)
1803                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1804                 ], [
1805                         # No multicast support
1806                         AC_MSG_RESULT(no)
1807                 ])
1808         ])
1809         
1810         dnl **********************************
1811         dnl *** Check for getaddrinfo ***
1812         dnl **********************************
1813         AC_MSG_CHECKING(for getaddrinfo)
1814                 AC_TRY_LINK([
1815                 #include <stdio.h>
1816                 #include <netdb.h>
1817         ], [
1818                 getaddrinfo(NULL,NULL,NULL,NULL);
1819         ], [
1820                 # Yes, we have it...
1821                 AC_MSG_RESULT(yes)
1822                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1823         ], [
1824                 AC_MSG_RESULT(no)
1825         ])
1826
1827         dnl **********************************
1828         dnl *** Check for gethostbyname2_r ***
1829         dnl **********************************
1830         AC_MSG_CHECKING(for gethostbyname2_r)
1831                 AC_TRY_LINK([
1832                 #include <stdio.h>
1833                 #include <netdb.h>
1834         ], [
1835
1836                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1837         ], [
1838                 # Yes, we have it...
1839                 AC_MSG_RESULT(yes)
1840                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1841         ], [
1842                 AC_MSG_RESULT(no)
1843         ])
1844
1845         dnl **********************************
1846         dnl *** Check for gethostbyname2 ***
1847         dnl **********************************
1848         AC_MSG_CHECKING(for gethostbyname2)
1849                 AC_TRY_LINK([
1850                 #include <stdio.h>
1851                 #include <netdb.h>
1852         ], [
1853                 gethostbyname2(NULL,0);
1854         ], [
1855                 # Yes, we have it...
1856                 AC_MSG_RESULT(yes)
1857                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1858         ], [
1859                 AC_MSG_RESULT(no)
1860         ])
1861
1862         dnl **********************************
1863         dnl *** Check for gethostbyname ***
1864         dnl **********************************
1865         AC_MSG_CHECKING(for gethostbyname)
1866                 AC_TRY_LINK([
1867                 #include <stdio.h>
1868                 #include <netdb.h>
1869         ], [
1870                 gethostbyname(NULL);
1871         ], [
1872                 # Yes, we have it...
1873                 AC_MSG_RESULT(yes)
1874                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1875         ], [
1876                 AC_MSG_RESULT(no)
1877         ])
1878
1879         dnl **********************************
1880         dnl *** Check for getprotobyname ***
1881         dnl **********************************
1882         AC_MSG_CHECKING(for getprotobyname)
1883                 AC_TRY_LINK([
1884                 #include <stdio.h>
1885                 #include <netdb.h>
1886         ], [
1887                 getprotobyname(NULL);
1888         ], [
1889                 # Yes, we have it...
1890                 AC_MSG_RESULT(yes)
1891                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1892         ], [
1893                 AC_MSG_RESULT(no)
1894         ])
1895
1896         dnl **********************************
1897         dnl *** Check for getnameinfo ***
1898         dnl **********************************
1899         AC_MSG_CHECKING(for getnameinfo)
1900                 AC_TRY_LINK([
1901                 #include <stdio.h>
1902                 #include <netdb.h>
1903         ], [
1904                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1905         ], [
1906                 # Yes, we have it...
1907                 AC_MSG_RESULT(yes)
1908                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1909         ], [
1910                 AC_MSG_RESULT(no)
1911         ])
1912
1913
1914         dnl **********************************
1915         dnl *** Check for inet_ntop ***
1916         dnl **********************************
1917         AC_MSG_CHECKING(for inet_ntop)
1918                 AC_TRY_LINK([
1919                 #include <stdio.h>
1920                 #include <arpa/inet.h>
1921         ], [
1922                 inet_ntop (0, NULL, NULL, 0);
1923         ], [
1924                 # Yes, we have it...
1925                 AC_MSG_RESULT(yes)
1926                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1927         ], [
1928                 AC_MSG_RESULT(no)
1929         ])
1930
1931         dnl *****************************
1932         dnl *** Checks for libnsl     ***
1933         dnl *****************************
1934         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1935
1936         AC_CHECK_FUNCS(inet_pton inet_aton)
1937
1938         dnl *****************************
1939         dnl *** Checks for libxnet    ***
1940         dnl *****************************
1941         case "${host}" in
1942                 *solaris* )
1943                         AC_MSG_CHECKING(for Solaris XPG4 support)
1944                         if test -f /usr/lib/libxnet.so; then
1945                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1946                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1947                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1948                                 LIBS="$LIBS -lxnet"
1949                                 AC_MSG_RESULT(yes)
1950                         else
1951                                 AC_MSG_RESULT(no)
1952                         fi
1953
1954                         if test "$GCC" = "yes"; then
1955                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1956                         fi
1957                 ;;
1958         esac
1959
1960         dnl *****************************
1961         dnl *** Checks for libpthread ***
1962         dnl *****************************
1963 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1964 # and libpthread does not exist
1965 #
1966         case "${host}" in
1967                 *-*-*haiku*)
1968                         dnl Haiku has pthread in libroot (libc equiv)
1969                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS")
1970                 ;;
1971                 *-*-*freebsd*)
1972                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1973                 ;;
1974                 *-*-*openbsd*)
1975                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1976                 ;;
1977                 *)
1978                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1979                 ;;
1980         esac
1981         AC_CHECK_HEADERS(pthread.h)
1982         AC_CHECK_HEADERS(pthread_np.h)
1983         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1984         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np pthread_cond_timedwait_relative_np)
1985         AC_CHECK_FUNCS(pthread_kill)
1986         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1987         AC_TRY_COMPILE([ #include <pthread.h>], [
1988                 pthread_mutexattr_t attr;
1989                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1990         ], [
1991                 AC_MSG_RESULT(ok)
1992         ], [
1993                 AC_MSG_RESULT(no)
1994                 AC_ERROR(Posix system lacks support for recursive mutexes)
1995         ])
1996         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1997         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1998         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1999
2000         dnl **********************************
2001         dnl *** Check for mincore ***
2002         dnl **********************************
2003         AC_MSG_CHECKING(for mincore)
2004                 AC_TRY_LINK([
2005                 #include <stdio.h>
2006                 #include <sys/types.h>
2007                 #include <sys/mman.h>
2008         ], [
2009                 mincore(NULL, 0, NULL);
2010         ], [
2011                 # Yes, we have it...
2012                 AC_MSG_RESULT(yes)
2013                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
2014         ], [
2015                 AC_MSG_RESULT(no)
2016         ])
2017
2018         dnl ***********************************
2019         dnl *** Checks for working __thread ***
2020         dnl ***********************************
2021         AC_MSG_CHECKING(for working __thread)
2022         if test "x$with_tls" != "x__thread"; then
2023                 AC_MSG_RESULT(disabled)
2024         elif test "x$cross_compiling" = "xyes"; then
2025                 AC_MSG_RESULT(cross compiling, assuming yes)
2026         else
2027                 AC_TRY_RUN([
2028                         #if defined(__APPLE__) && defined(__clang__)
2029                         #error "__thread does not currently work with clang on Mac OS X"
2030                         #endif
2031                         
2032                         #include <pthread.h>
2033                         __thread int i;
2034                         static int res1, res2;
2035
2036                         void thread_main (void *arg)
2037                         {
2038                                 i = arg;
2039                                 sleep (1);
2040                                 if (arg == 1)
2041                                         res1 = (i == arg);
2042                                 else
2043                                         res2 = (i == arg);
2044                         }
2045
2046                         int main () {
2047                                 pthread_t t1, t2;
2048
2049                                 i = 5;
2050
2051                                 pthread_create (&t1, NULL, thread_main, 1);
2052                                 pthread_create (&t2, NULL, thread_main, 2);
2053
2054                                 pthread_join (t1, NULL);
2055                                 pthread_join (t2, NULL);
2056
2057                                 return !(res1 + res2 == 2);
2058                         }
2059                 ], [
2060                                 AC_MSG_RESULT(yes)
2061                 ], [
2062                                 AC_MSG_RESULT(no)
2063                                 with_tls=pthread
2064                 ])
2065         fi
2066
2067         dnl **************************************
2068         dnl *** Checks for working sigaltstack ***
2069         dnl **************************************
2070         AC_MSG_CHECKING(for working sigaltstack)
2071         if test "x$with_sigaltstack" != "xyes"; then
2072                 AC_MSG_RESULT(disabled)
2073         elif test "x$cross_compiling" = "xyes"; then
2074                 AC_MSG_RESULT(cross compiling, assuming yes)
2075         else
2076                 AC_TRY_RUN([
2077                         #include <stdio.h>
2078                         #include <stdlib.h>
2079                         #include <unistd.h>
2080                         #include <signal.h>
2081                         #include <pthread.h>
2082                         #include <sys/wait.h>
2083                         #if defined(__FreeBSD__) || defined(__NetBSD__)
2084                         #define SA_STACK SA_ONSTACK
2085                         #endif
2086                         static void
2087                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
2088                         {
2089                                 exit (0);
2090                         }
2091
2092                         volatile char*__ptr = NULL;
2093                         static void *
2094                         loop (void *ignored)
2095                         {
2096                                 *__ptr = 0;
2097                                 return NULL;
2098                         }
2099
2100                         static void
2101                         child ()
2102                         {
2103                                 struct sigaction sa;
2104                         #ifdef __APPLE__
2105                                 stack_t sas;
2106                         #else
2107                                 struct sigaltstack sas;
2108                         #endif
2109                                 pthread_t id;
2110                                 pthread_attr_t attr;
2111
2112                                 sa.sa_sigaction = sigsegv_signal_handler;
2113                                 sigemptyset (&sa.sa_mask);
2114                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
2115                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
2116                                         perror ("sigaction");
2117                                         return;
2118                                 }
2119
2120                                 /* x86 darwin deliver segfaults using SIGBUS */
2121                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
2122                                         perror ("sigaction");
2123                                         return;
2124                                 }
2125                                 sas.ss_sp = malloc (SIGSTKSZ);
2126                                 sas.ss_size = SIGSTKSZ;
2127                                 sas.ss_flags = 0;
2128                                 if (sigaltstack (&sas, NULL) == -1) {
2129                                         perror ("sigaltstack");
2130                                         return;
2131                                 }
2132
2133                                 pthread_attr_init (&attr);
2134                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2135                                         printf ("pthread_create\n");
2136                                         return;
2137                                 }
2138
2139                                 sleep (100);
2140                         }
2141
2142                         int
2143                         main ()
2144                         {
2145                                 pid_t son;
2146                                 int status;
2147                                 int i;
2148
2149                                 son = fork ();
2150                                 if (son == -1) {
2151                                         return 1;
2152                                 }
2153
2154                                 if (son == 0) {
2155                                         child ();
2156                                         return 0;
2157                                 }
2158
2159                                 for (i = 0; i < 300; ++i) {
2160                                         waitpid (son, &status, WNOHANG);
2161                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2162                                                 return 0;
2163                                         usleep (10000);
2164                                 }
2165
2166                                 kill (son, SIGKILL);
2167                                 return 1;
2168                         }
2169
2170                 ], [
2171                                 AC_MSG_RESULT(yes)
2172                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2173                 ], [
2174                                 with_sigaltstack=no
2175                                 AC_MSG_RESULT(no)
2176                 ])
2177         fi
2178
2179         dnl ********************************
2180         dnl *** Checks for semaphore lib ***
2181         dnl ********************************
2182         # 'Real Time' functions on Solaris
2183         # posix4 on Solaris 2.6
2184         # pthread (first!) on Linux
2185         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
2186
2187         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
2188         AC_CHECK_FUNCS(shm_open)
2189
2190         dnl ********************************
2191         dnl *** Checks for timezone stuff **
2192         dnl ********************************
2193         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2194                 AC_TRY_COMPILE([
2195                         #include <time.h>
2196                         ], [
2197                         struct tm tm;
2198                         tm.tm_gmtoff = 1;
2199                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2200         if test $ac_cv_struct_tm_gmtoff = yes; then
2201                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2202         else
2203                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2204                         AC_TRY_COMPILE([
2205                                 #include <time.h>
2206                         ], [
2207                                 timezone = 1;
2208                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2209                 if test $ac_cv_var_timezone = yes; then
2210                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2211                 else
2212                         AC_ERROR(unable to find a way to determine timezone)
2213                 fi
2214         fi
2215
2216         dnl *********************************
2217         dnl *** Checks for math functions ***
2218         dnl *********************************
2219         AC_SEARCH_LIBS(sqrtf, m)
2220         if test "x$has_broken_apple_cpp" != "xyes"; then
2221                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2222                         AC_TRY_LINK([#include <math.h>], 
2223                         [ finite(0.0); ], 
2224                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2225                         AC_MSG_RESULT(no)))
2226         fi
2227         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2228                 AC_TRY_LINK([#include <math.h>], 
2229                 [ isfinite(0.0); ], 
2230                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2231                 AC_MSG_RESULT(no)))
2232
2233         dnl ****************************************************************
2234         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2235         dnl *** have it in the library (duh))                            ***
2236         dnl ****************************************************************
2237         AC_CHECK_FUNCS(poll)
2238
2239         dnl *************************
2240         dnl *** Check for signbit ***
2241         dnl *************************
2242         AC_MSG_CHECKING(for signbit)
2243         AC_TRY_LINK([#include <math.h>], [
2244                 int s = signbit(1.0);
2245         ], [
2246                 AC_MSG_RESULT(yes)
2247                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2248         ], [
2249                 AC_MSG_RESULT(no)
2250         ]) 
2251
2252         dnl **********************************
2253         dnl *** epoll                      ***
2254         dnl **********************************
2255         AC_CHECK_HEADERS(sys/epoll.h)
2256         haveepoll=no
2257         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2258         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2259                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2260         fi
2261
2262         havekqueue=no
2263
2264         AC_CHECK_HEADERS(sys/event.h)
2265         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2266
2267         dnl **************************************
2268         dnl * Darwin has a race that prevents us from using reliably:
2269         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2270         dnl * Since kqueue is mostly used for scaling large web servers, 
2271         dnl * and very few folks run Mono on large web servers on OSX, falling
2272         dnl * back 
2273         dnl **************************************
2274         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2275                 if test "x$host_darwin" = "xno"; then
2276                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2277                 fi
2278         fi
2279
2280         dnl ******************************
2281         dnl *** Checks for SIOCGIFCONF ***
2282         dnl ******************************
2283         AC_CHECK_HEADERS(sys/ioctl.h)
2284         AC_CHECK_HEADERS(net/if.h, [], [],
2285            [
2286            #ifdef HAVE_SYS_TYPES_H
2287            # include <sys/types.h>
2288            #endif
2289            #ifdef HAVE_SYS_SOCKET_H
2290            # include <sys/socket.h>
2291            #endif
2292            ])
2293         AC_MSG_CHECKING(for ifreq)
2294         AC_TRY_COMPILE([
2295                 #include <stdio.h>
2296                 #include <sys/ioctl.h>
2297                 #include <net/if.h>
2298                 ], [
2299                 struct ifconf ifc;
2300                 struct ifreq *ifr;
2301                 void *x;
2302                 ifc.ifc_len = 0;
2303                 ifc.ifc_buf = NULL;
2304                 x = (void *) &ifr->ifr_addr;
2305                 ],[
2306                         AC_MSG_RESULT(yes)
2307                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2308                 ], [
2309                         AC_MSG_RESULT(no)
2310                 ])
2311         dnl **********************************
2312         dnl ***     Checks for sin_len     ***
2313         dnl **********************************
2314         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2315         AC_TRY_COMPILE([
2316                 #include <netinet/in.h>
2317                 ], [
2318                 struct sockaddr_in saddr;
2319                 saddr.sin_len = sizeof (saddr);
2320                 ],[
2321                         AC_MSG_RESULT(yes)
2322                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2323                 ], [
2324                         AC_MSG_RESULT(no)
2325                 ])      
2326         dnl **********************************
2327         dnl ***    Checks for sin6_len     ***
2328         dnl **********************************
2329         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2330         AC_TRY_COMPILE([
2331                 #include <netinet/in.h>
2332                 ], [
2333                 struct sockaddr_in6 saddr6;
2334                 saddr6.sin6_len = sizeof (saddr6);
2335                 ],[
2336                         AC_MSG_RESULT(yes)
2337                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2338                 ], [
2339                         AC_MSG_RESULT(no)
2340                 ])
2341         dnl **********************************
2342         dnl *** Check for getifaddrs       ***
2343         dnl **********************************
2344         AC_MSG_CHECKING(for getifaddrs)
2345                 AC_TRY_LINK([
2346                 #include <stdio.h>
2347                 #include <sys/types.h>
2348                 #include <sys/socket.h>
2349                 #include <ifaddrs.h>
2350         ], [
2351                 getifaddrs(NULL);
2352         ], [
2353                 # Yes, we have it...
2354                 AC_MSG_RESULT(yes)
2355                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2356         ], [
2357                 AC_MSG_RESULT(no)
2358         ])
2359         dnl **********************************
2360         dnl *** Check for if_nametoindex   ***
2361         dnl **********************************
2362         AC_MSG_CHECKING(for if_nametoindex)
2363                 AC_TRY_LINK([
2364                 #include <stdio.h>
2365                 #include <sys/types.h>
2366                 #include <sys/socket.h>
2367                 #include <net/if.h>
2368         ], [
2369                 if_nametoindex(NULL);
2370         ], [
2371                 # Yes, we have it...
2372                 AC_MSG_RESULT(yes)
2373                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2374         ], [
2375                 AC_MSG_RESULT(no)
2376         ])
2377                         
2378         dnl **********************************
2379         dnl *** Checks for proclib         ***
2380         dnl **********************************
2381         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.)])
2382         dnl **********************************
2383         dnl *** Checks for MonoPosixHelper ***
2384         dnl **********************************
2385         AC_CHECK_HEADERS(checklist.h)
2386         AC_CHECK_HEADERS(pathconf.h)
2387         AC_CHECK_HEADERS(fstab.h)
2388         AC_CHECK_HEADERS(attr/xattr.h)
2389         AC_CHECK_HEADERS(sys/extattr.h)
2390         AC_CHECK_HEADERS(sys/sendfile.h)
2391         AC_CHECK_HEADERS(sys/statvfs.h)
2392         AC_CHECK_HEADERS(sys/statfs.h)
2393         AC_CHECK_HEADERS(sys/vfstab.h)
2394         AC_CHECK_HEADERS(sys/xattr.h)
2395         AC_CHECK_HEADERS(sys/mman.h)
2396         AC_CHECK_HEADERS(sys/param.h)
2397         AC_CHECK_HEADERS(sys/mount.h, [], [],
2398                 [
2399                 #ifdef HAVE_SYS_PARAM_H
2400                 # include <sys/param.h>
2401                 #endif
2402                 ])
2403         AC_CHECK_HEADERS(sys/mount.h)
2404         AC_CHECK_FUNCS(confstr)
2405         AC_CHECK_FUNCS(seekdir telldir)
2406         AC_CHECK_FUNCS(getdomainname)
2407         AC_CHECK_FUNCS(setdomainname)
2408         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2409         AC_CHECK_FUNCS(setgroups)
2410         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2411         AC_CHECK_FUNCS(getfsstat)
2412         AC_CHECK_FUNCS(lutimes futimes)
2413         AC_CHECK_FUNCS(mremap)
2414         AC_CHECK_FUNCS(remap_file_pages)
2415         AC_CHECK_FUNCS(posix_fadvise)
2416         AC_CHECK_FUNCS(posix_fallocate)
2417         AC_CHECK_FUNCS(posix_madvise)
2418         AC_CHECK_FUNCS(vsnprintf)
2419         AC_CHECK_FUNCS(sendfile)
2420         AC_CHECK_FUNCS(gethostid sethostid)
2421         AC_CHECK_FUNCS(sethostname)
2422         AC_CHECK_FUNCS(statfs)
2423         AC_CHECK_FUNCS(fstatfs)
2424         AC_CHECK_FUNCS(statvfs)
2425         AC_CHECK_FUNCS(fstatvfs)
2426         AC_CHECK_FUNCS(stime)
2427         AC_CHECK_FUNCS(strerror_r)
2428         AC_CHECK_FUNCS(ttyname_r)
2429         AC_CHECK_FUNCS(psignal)
2430         AC_CHECK_FUNCS(getlogin_r)
2431         AC_CHECK_FUNCS(lockf)
2432         AC_CHECK_FUNCS(swab)
2433         AC_CHECK_FUNCS(setusershell endusershell)
2434         AC_CHECK_FUNCS(futimens utimensat)
2435         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2436         AC_CHECK_FUNCS(readv writev preadv pwritev)
2437         AC_CHECK_FUNCS(setpgid)
2438         AC_CHECK_FUNCS(system)
2439         AC_CHECK_FUNCS(fork execv execve)
2440         AC_CHECK_FUNCS(accept4)
2441         AC_CHECK_FUNCS(localtime_r)
2442         AC_CHECK_FUNCS(mkdtemp)
2443         AC_CHECK_SIZEOF(size_t)
2444         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2445                 [#include <sys/types.h>
2446                  #include <sys/stat.h>
2447                  #include <unistd.h>])
2448         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2449                 [#include <sys/types.h>
2450                  #include <sys/stat.h>
2451                  #include <unistd.h>])
2452         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2453                 [#include <sys/time.h>])
2454         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2455                 [#include <sys/socket.h>])
2456         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2457                 [#include <unistd.h>
2458                  #include <fcntl.h>])
2459         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2460                 [#include <sys/uio.h>])
2461         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2462                 [#include <sys/socket.h>])
2463         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2464                 [#include <sys/poll.h>])
2465         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2466                 [#include <sys/socket.h>])
2467         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2468                 [#include <sys/socket.h>])
2469         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2470                 [#include <netinet/in.h>])
2471         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2472                 [#include <netinet/in.h>])
2473         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2474                 [#include <sys/un.h>])
2475         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2476                 [#include <sys/types.h>
2477                  #include <sys/stat.h>
2478                  #include <unistd.h>])
2479         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2480                 [#include <time.h>])
2481         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2482                 [#include <sys/time.h>
2483                  #include <sys/types.h>
2484                  #include <utime.h>])
2485         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2486                 [#include <sys/time.h>])
2487         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2488                 [#include <sys/types.h>
2489                  #include <utime.h>])
2490         AC_CHECK_MEMBERS(
2491                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2492                 [#include <sys/types.h>
2493                  #include <dirent.h>])
2494         AC_CHECK_MEMBERS(
2495                 [struct passwd.pw_gecos],,, 
2496                 [#include <sys/types.h>
2497                  #include <pwd.h>])
2498         AC_CHECK_MEMBERS(
2499                 [struct statfs.f_flags],,, 
2500                 [#include <sys/types.h>
2501                  #include <sys/vfs.h>])
2502         AC_CHECK_MEMBERS(
2503                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2504                 [#include <sys/types.h>
2505                  #include <sys/stat.h>
2506                  #include <unistd.h>])
2507
2508         dnl Favour xattr through glibc, but use libattr if we have to
2509         AC_CHECK_FUNC(lsetxattr, ,
2510                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2511         )
2512         AC_SUBST(XATTR_LIB)
2513
2514         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2515         AC_CHECK_MEMBERS(
2516                 [struct kinfo_proc.kp_proc],,, 
2517                 [#include <sys/types.h>
2518                  #include <sys/param.h>
2519                  #include <sys/sysctl.h>
2520                  #include <sys/proc.h>
2521                  ])
2522
2523         dnl *********************************
2524         dnl *** Checks for Windows compilation ***
2525         dnl *********************************
2526         AC_CHECK_HEADERS(sys/time.h)
2527         AC_CHECK_HEADERS(sys/param.h)
2528         AC_CHECK_HEADERS(dirent.h)
2529
2530         dnl ******************************************
2531         dnl *** Checks for OSX and iOS compilation ***
2532         dnl ******************************************
2533         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2534
2535         dnl *********************************
2536         dnl *** Check for Console 2.0 I/O ***
2537         dnl *********************************
2538         AC_CHECK_HEADERS([curses.h])
2539         AC_CHECK_HEADERS([term.h], [], [],
2540         [#if HAVE_CURSES_H
2541          #include <curses.h>
2542          #endif
2543         ])
2544         AC_CHECK_HEADERS([termios.h])
2545 else
2546         dnl *********************************
2547         dnl *** Checks for Windows compilation ***
2548         dnl *********************************
2549         AC_CHECK_HEADERS(winternl.h)
2550
2551         jdk_headers_found=no
2552         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2553         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2554         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2555         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2556         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2557         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2558         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2559
2560         dnl *********************************
2561         dnl *** Check for struct ip_mreqn ***
2562         dnl *********************************
2563         AC_MSG_CHECKING(for struct ip_mreqn)
2564         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2565                 struct ip_mreqn mreq;
2566                 mreq.imr_address.s_addr = 0;
2567         ], [
2568                 # Yes, we have it...
2569                 AC_MSG_RESULT(yes)
2570                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2571         ], [
2572                 # We'll just have to try and use struct ip_mreq
2573                 AC_MSG_RESULT(no)
2574                 AC_MSG_CHECKING(for struct ip_mreq)
2575                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2576                         struct ip_mreq mreq;
2577                         mreq.imr_interface.s_addr = 0;
2578                 ], [
2579                         # Yes, we have it...
2580                         AC_MSG_RESULT(yes)
2581                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2582                 ], [
2583                         # No multicast support
2584                         AC_MSG_RESULT(no)
2585                 ])
2586         ])
2587
2588         dnl **********************************
2589         dnl *** Check for getaddrinfo ***
2590         dnl **********************************
2591         AC_MSG_CHECKING(for getaddrinfo)
2592                 AC_TRY_LINK([
2593                 #include <stdio.h>
2594                 #include <winsock2.h>
2595                 #include <ws2tcpip.h>
2596         ], [
2597                 getaddrinfo(NULL,NULL,NULL,NULL);
2598         ], [
2599                 # Yes, we have it...
2600                 AC_MSG_RESULT(yes)
2601                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2602         ], [
2603                 AC_MSG_RESULT(no)
2604         ])
2605
2606         dnl **********************************
2607         dnl *** Check for gethostbyname ***
2608         dnl **********************************
2609         AC_MSG_CHECKING(for gethostbyname)
2610                 AC_TRY_LINK([
2611                 #include <stdio.h>
2612                 #include <winsock2.h>
2613                 #include <ws2tcpip.h>
2614         ], [
2615                 gethostbyname(NULL);
2616         ], [
2617                 # Yes, we have it...
2618                 AC_MSG_RESULT(yes)
2619                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2620         ], [
2621                 AC_MSG_RESULT(no)
2622         ])
2623
2624         dnl **********************************
2625         dnl *** Check for getprotobyname ***
2626         dnl **********************************
2627         AC_MSG_CHECKING(for getprotobyname)
2628                 AC_TRY_LINK([
2629                 #include <stdio.h>
2630                 #include <winsock2.h>
2631                 #include <ws2tcpip.h>
2632         ], [
2633                 getprotobyname(NULL);
2634         ], [
2635                 # Yes, we have it...
2636                 AC_MSG_RESULT(yes)
2637                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2638         ], [
2639                 AC_MSG_RESULT(no)
2640         ])
2641
2642         dnl **********************************
2643         dnl *** Check for getnameinfo ***
2644         dnl **********************************
2645         AC_MSG_CHECKING(for getnameinfo)
2646                 AC_TRY_LINK([
2647                 #include <stdio.h>
2648                 #include <winsock2.h>
2649                 #include <ws2tcpip.h>
2650         ], [
2651                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2652         ], [
2653                 # Yes, we have it...
2654                 AC_MSG_RESULT(yes)
2655                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2656         ], [
2657                 AC_MSG_RESULT(no)
2658         ])
2659
2660         dnl **********************************
2661         dnl *** Check for inet_ntop ***
2662         dnl **********************************
2663         AC_MSG_CHECKING(for inet_ntop)
2664                 AC_TRY_LINK([
2665                 #include <stdio.h>
2666                 #include <winsock2.h>
2667                 #include <ws2tcpip.h>
2668         ], [
2669                 inet_ntop (0, NULL, NULL, 0);
2670         ], [
2671                 # Yes, we have it...
2672                 AC_MSG_RESULT(yes)
2673                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2674         ], [
2675                 AC_MSG_RESULT(no)
2676         ])
2677
2678         dnl **********************************
2679         dnl *** Check for inet_pton ***
2680         dnl **********************************
2681         AC_MSG_CHECKING(for inet_pton)
2682                 AC_TRY_LINK([
2683                 #include <stdio.h>
2684                 #include <winsock2.h>
2685                 #include <ws2tcpip.h>
2686         ], [
2687                 #ifndef inet_pton
2688                 (void) inet_pton;
2689                 #endif
2690                 inet_pton (0, NULL, NULL);
2691         ], [
2692                 # Yes, we have it...
2693                 AC_MSG_RESULT(yes)
2694                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2695         ], [
2696                 AC_MSG_RESULT(no)
2697         ])
2698
2699         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2700         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2701         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2702         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2703         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2704         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2705         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2706 fi
2707
2708 dnl socklen_t check
2709 AC_MSG_CHECKING(for socklen_t)
2710 AC_TRY_COMPILE([
2711 #include <sys/types.h>
2712 #include <sys/socket.h>
2713 ],[
2714   socklen_t foo;
2715 ],[
2716 ac_cv_c_socklen_t=yes
2717         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2718         AC_MSG_RESULT(yes)
2719 ],[
2720         AC_MSG_RESULT(no)
2721 ])
2722
2723 AC_MSG_CHECKING(for array element initializer support)
2724 AC_TRY_COMPILE([#include <sys/socket.h>], [
2725         const int array[] = {[1] = 2,};
2726 ], [
2727         # Yes, we have it...
2728         AC_MSG_RESULT(yes)
2729         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2730 ], [
2731         # We'll have to use signals
2732         AC_MSG_RESULT(no)
2733 ])
2734
2735 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2736         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2737         AC_TRY_LINK([#include <math.h>], 
2738         [ static void *p = &trunc; ],
2739         [
2740                 AC_DEFINE(HAVE_TRUNC) 
2741                 AC_MSG_RESULT(yes)
2742                 ac_cv_trunc=yes
2743         ],
2744         AC_MSG_RESULT(no)))
2745
2746 if test "x$ac_cv_truncl" != "xyes"; then
2747    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2748 fi
2749
2750 AC_CHECK_FUNCS(execvp)
2751
2752 dnl ****************************
2753 dnl *** Look for /dev/random ***
2754 dnl ****************************
2755
2756 AC_MSG_CHECKING([if usage of random device is requested])
2757 AC_ARG_ENABLE(dev-random,
2758 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2759 try_dev_random=$enableval, try_dev_random=yes)
2760
2761 AC_MSG_RESULT($try_dev_random)
2762
2763 case "{$build}" in
2764     *-openbsd*)
2765     NAME_DEV_RANDOM="/dev/srandom"
2766     ;;
2767
2768 dnl Win32 does not have /dev/random, they have their own method...
2769
2770     *-mingw*|*-*-cygwin*)
2771     ac_cv_have_dev_random=no
2772     ;;
2773
2774 dnl Everywhere else, it's /dev/random
2775
2776     *)
2777     NAME_DEV_RANDOM="/dev/random"
2778     ;;
2779 esac
2780
2781 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2782
2783 dnl Now check if the device actually exists
2784
2785 if test "x$try_dev_random" = "xyes"; then
2786     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2787     [if test -r "$NAME_DEV_RANDOM" ; then
2788         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2789     if test "x$ac_cv_have_dev_random" = "xyes"; then
2790         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2791     fi
2792 else
2793     AC_MSG_CHECKING(for random device)
2794     ac_cv_have_dev_random=no
2795     AC_MSG_RESULT(has been disabled)
2796 fi
2797
2798 if test "x$host_win32" = "xyes"; then
2799     AC_DEFINE(HAVE_CRYPT_RNG)
2800 fi
2801
2802 if test "x$ac_cv_have_dev_random" = "xno" \
2803     && test "x$host_win32" = "xno"; then
2804     AC_MSG_WARN([[
2805 ***
2806 *** A system-provided entropy source was not found on this system.
2807 *** Because of this, the System.Security.Cryptography random number generator
2808 *** will throw a NotImplemented exception.
2809 ***
2810 *** If you are seeing this message, and you know your system DOES have an
2811 *** entropy collection in place, please contact <crichton@gimp.org> and
2812 *** provide information about the system and how to access the random device.
2813 ***
2814 *** Otherwise you can install either egd or prngd and set the environment
2815 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2816 ***]])
2817 fi
2818
2819 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2820
2821 AC_MSG_CHECKING([if big-arrays are to be enabled])
2822 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2823 if test "x$enable_big_arrays" = "xyes" ; then
2824     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2825         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2826     else
2827         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2828     fi
2829 fi
2830 AC_MSG_RESULT($enable_big_arrays)
2831
2832 dnl **************
2833 dnl *** DTRACE ***
2834 dnl **************
2835
2836 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2837
2838 if test "x$enable_dtrace" = "xyes"; then
2839    if test "x$has_dtrace" = "xno"; then
2840           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2841    fi
2842    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2843    if test "x$DTRACE" = "xno"; then
2844           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2845           enable_dtrace=no
2846    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2847           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2848           enable_dtrace=no
2849    fi
2850 fi
2851
2852 dtrace_g=no
2853 if test "x$enable_dtrace" = "xyes"; then
2854         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2855         DTRACEFLAGS=
2856         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2857                 case "$host" in
2858                         powerpc-*-darwin*)
2859                         DTRACEFLAGS="-arch ppc64"
2860                         ;;
2861                         i*86-*-darwin*)
2862                         DTRACEFLAGS="-arch x86_64"
2863                         ;;
2864                         *)
2865                         DTRACEFLAGS=-64
2866                         ;;
2867                 esac
2868         else
2869                 case "$host" in
2870                         powerpc-*-darwin*)
2871                         DTRACEFLAGS="-arch ppc"
2872                         ;;
2873                         i*86-*-darwin*)
2874                         DTRACEFLAGS="-arch i386"
2875                         ;;
2876                         *)
2877                         DTRACEFLAGS=-32
2878                         ;;
2879                 esac
2880         fi
2881         AC_SUBST(DTRACEFLAGS)
2882         case "$host" in
2883                 *-*-solaris*)
2884                 dtrace_g=yes
2885                 ;;
2886         esac
2887         AC_CHECK_HEADERS([sys/sdt.h])
2888 fi
2889 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2890 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2891
2892 dnl **************************
2893 dnl *** AOT cross offsets  ***
2894 dnl **************************
2895
2896 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2897     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2898
2899 dnl **************
2900 dnl ***  LLVM  ***
2901 dnl **************
2902
2903 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2904 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2905 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2906 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2907
2908 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2909
2910 if test "x$enable_llvm" = "xdefault"; then
2911    enable_llvm=$enable_llvm_default
2912 fi
2913
2914 if test "x$enable_llvm" = "xyes"; then
2915    if test "x$with_llvm" != "x"; then
2916           LLVM_CONFIG=$with_llvm/bin/llvm-config
2917           if test x$host_win32 = xyes; then
2918                 LLVM_CONFIG=$LLVM_CONFIG.exe
2919           fi
2920           if test ! -x $LLVM_CONFIG; then
2921                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2922       fi
2923    else
2924       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2925       if test "x$LLVM_CONFIG" = "xno"; then
2926              AC_MSG_ERROR([llvm-config not found.])
2927       fi
2928    fi
2929
2930    llvm_codegen="x86codegen"
2931    case "$target" in
2932    arm*)
2933                 llvm_codegen="armcodegen"
2934                 ;;
2935    esac
2936
2937    if test "x$host_win32" = "xno"; then
2938
2939    # Should be something like '2.6' or '2.7svn'
2940    llvm_version=`$LLVM_CONFIG --version`
2941    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2942    AC_MSG_CHECKING(LLVM version)
2943    AC_MSG_RESULT($llvm_version $llvm_api_version)
2944    if echo $llvm_version | grep -q 'mono'; then
2945           if test "x$enable_llvm_version_check" = "xyes"; then
2946                  if test "$llvm_version" != "$expected_llvm_version"; then
2947                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2948                  fi
2949           fi
2950    else
2951           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.])
2952    fi
2953
2954    # The output of --cflags seems to include optimizations flags too
2955    if test $llvm_api_version -gt 100; then
2956           # The --cflags argument includes all kinds of warnings -pendantic etc.
2957           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2958           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2959    else
2960           LLVM_CFLAGS=`$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'`
2961       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2962    fi
2963    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2964    # from LLVM classes.
2965    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2966    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2967    # This might include empty lines
2968    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2969    llvm_jit_supported=yes
2970    llvm_jit_libs="jit mcjit $llvm_codegen"
2971    if test "x$host" != "x$target"; then
2972       # No need for jit libs
2973           llvm_jit_supported=no
2974       llvm_jit_libs=""
2975    elif test $llvm_api_version -gt 100; then
2976       llvm_jit_libs="orcjit $llvm_codegen"
2977    fi
2978    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2979    if test "x$LLVM_LIBS" = "x"; then
2980           echo "$LLVM_CONFIG --libs failed."
2981           exit 1
2982    fi
2983    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2984    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2985    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2986       LLVM_LIBS="$LLVM_LIBS -lc++"
2987    else
2988       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2989    fi
2990
2991    expected_llvm_version="3.4svn-mono-mono/e656cac"
2992
2993    else
2994        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2995        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2996        LLVM_LDFLAGS="-L$with_llvm/lib"
2997        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2998        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2999          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
3000          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
3001          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
3002          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
3003          -lLLVMAnalysis -lLLVMTarget \
3004          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
3005          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
3006          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
3007          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
3008          -lLLVMSupport -lstdc++"
3009        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
3010
3011        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
3012        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
3013    fi  
3014
3015    if test "x$llvm_api_version" = "x"; then
3016           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
3017           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
3018    else
3019           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
3020           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
3021    fi   
3022
3023    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraries])
3024
3025    AC_SUBST(LLVM_CFLAGS)
3026    AC_SUBST(LLVM_CXXFLAGS)
3027    AC_SUBST(LLVM_LIBS)
3028    AC_SUBST(LLVM_LDFLAGS)
3029    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
3030 fi
3031
3032 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
3033 if test "x$enable_loadedllvm" = "xyes"; then
3034    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
3035 fi
3036 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
3037
3038 if test "x$enable_llvm" = "xyes"; then
3039    enable_llvm_runtime=yes
3040 fi
3041 if test "x$enable_llvm_runtime" = "xyes"; then
3042    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
3043 fi
3044 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
3045
3046 TARGET="unknown"
3047 ACCESS_UNALIGNED="yes"
3048
3049 LIBC="libc.so.6"
3050 INTL="libc.so.6"
3051 SQLITE="libsqlite.so.0"
3052 SQLITE3="libsqlite3.so.0"
3053 X11="libX11.so"
3054 GDKX11="libgdk-x11-2.0.so.0"
3055 GTKX11="libgtk-x11-2.0.so.0"
3056 XINERAMA="libXinerama.so.1"
3057
3058 sizeof_register="SIZEOF_VOID_P"
3059
3060 jit_wanted=true
3061 boehm_supported=true
3062 BTLS_SUPPORTED=no
3063 BTLS_PLATFORM=
3064
3065 if test "x$enable_wasm" = "xyes"; then
3066 TARGET=WASM
3067 HOST=WASM
3068 arch_target=wasm
3069 AC_DEFINE(TARGET_WASM, 1, [Target wasm])
3070 BTLS_SUPPORTED=no
3071 with_tls=pthread
3072 target_mach=no
3073
3074 else
3075
3076 case "$host" in
3077         mips*)
3078                 TARGET=MIPS;
3079                 arch_target=mips;
3080                 with_tls=pthread;
3081                 ACCESS_UNALIGNED="no"
3082
3083                 AC_MSG_CHECKING(for mips n32)
3084                 AC_TRY_COMPILE([],[
3085                 #if _MIPS_SIM != _ABIN32
3086                 #error Not mips n32
3087                 #endif
3088                 return 0;
3089                 ],[
3090                 AC_MSG_RESULT(yes)
3091                 sizeof_register=8
3092                 ],[
3093                 AC_MSG_RESULT(no)
3094                 ])
3095                 ;;
3096         i*86-*-*)
3097                 TARGET=X86;
3098                 arch_target=x86;
3099                 case $host_os in
3100                   solaris*)
3101                         LIBC="libc.so"
3102                         INTL="libintl.so"
3103                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3104                                 TARGET=AMD64
3105                                 arch_target=amd64
3106                         fi
3107
3108                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
3109                         # int astruct __attribute__ ((visibility ("hidden")));
3110                         # void foo ()
3111                         # {
3112                         #       void *p = &astruct;
3113                         # }
3114                         # gcc -fPIC --shared -o libfoo.so foo.c
3115                         # yields:
3116                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3117                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3118                         have_visibility_hidden=no
3119                         ;;
3120                   mingw*|cygwin*)
3121                         have_visibility_hidden=no                 
3122                         ;;
3123                   haiku*)
3124                         LIBC=libroot.so
3125                         ;;
3126                   linux*)
3127                         AOT_SUPPORTED="yes"
3128                         BTLS_SUPPORTED=yes
3129                         BTLS_PLATFORM=i386
3130                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3131                         ;;
3132                   darwin*)
3133                         AOT_SUPPORTED="yes"
3134                         BTLS_SUPPORTED=yes
3135                         BTLS_PLATFORM=i386
3136                         ;;
3137                   openbsd*|freebsd*|kfreebsd-gnu*)
3138                         ;;
3139                 esac
3140                 ;;
3141         x86_64-*-* | amd64-*-*)
3142                 TARGET=AMD64;
3143                 arch_target=amd64;
3144                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3145                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3146                         sizeof_register=8
3147                 fi
3148                 case $host_os in
3149                   linux*)
3150                         AOT_SUPPORTED="yes"
3151                         BTLS_SUPPORTED=yes
3152                         BTLS_PLATFORM=x86_64
3153                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3154                         ;;
3155                   darwin*)
3156                         AOT_SUPPORTED="yes"
3157                         BTLS_SUPPORTED=yes
3158                         BTLS_PLATFORM=x86_64
3159                         boehm_supported=false
3160                         ;;
3161                   openbsd*|freebsd*|kfreebsd-gnu*)
3162                         ;;
3163                   mingw*)
3164                         ;;
3165                 esac
3166                 ;;
3167         sparc*-*-*)
3168                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3169                    TARGET=SPARC64
3170                 else
3171                         TARGET=SPARC
3172                 fi
3173                 arch_target=sparc;
3174                 ACCESS_UNALIGNED="no"
3175                 case $host_os in
3176                   linux*) ;;
3177                   *)
3178                         LIBC="libc.so"
3179                         INTL="libintl.so"
3180                 esac
3181                 if test x"$GCC" = xyes; then
3182                         # We don't support v8 cpus
3183                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3184                 fi
3185                 if test x"$AR" = xfalse; then
3186                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3187                 fi
3188                 ;;
3189         *-mingw*|*-*-cygwin*)
3190                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3191                 have_visibility_hidden=no
3192                 INTL="intl"
3193                 ;;
3194         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3195         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3196                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3197                         TARGET=POWERPC64;
3198                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3199                         CFLAGS="$CFLAGS -mminimal-toc"
3200                 else
3201                         TARGET=POWERPC;
3202                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3203                 fi
3204                 arch_target=ppc;
3205                 case $host_os in
3206                   linux*|darwin*)
3207                         ;;
3208                 esac
3209                 ;;
3210         armv7k-*-darwin*)
3211                 TARGET=ARM;
3212                 TARGET_SYS=WATCHOS
3213                 arch_target=arm;
3214                 arm_fpu=VFP_HARD
3215                 ACCESS_UNALIGNED="no"
3216                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3217                 ;;
3218
3219         arm*-darwin*)
3220                 TARGET=ARM;
3221                 arch_target=arm;
3222                 ACCESS_UNALIGNED="no"
3223                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3224                 ;;
3225         arm*-linux*)
3226                 TARGET=ARM;
3227                 arch_target=arm;
3228                 ACCESS_UNALIGNED="no"
3229                 AOT_SUPPORTED="yes"
3230                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3231                 BTLS_SUPPORTED=yes
3232                 BTLS_PLATFORM=arm
3233                 AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3234                 case "$target" in
3235                 arm*-linux*-gnueabi)
3236                         BTLS_PLATFORM=armsoft
3237                         ;;
3238                 esac
3239                 ;;
3240         arm*-netbsd*-eabi*)
3241                 TARGET=ARM;
3242                 arch_target=arm;
3243                 ACCESS_UNALIGNED="no"
3244                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3245                 ;;
3246         aarch64-*)
3247                 # https://lkml.org/lkml/2012/7/15/133
3248                 TARGET=ARM64
3249                 arch_target=arm64
3250                 boehm_supported=false
3251                 AOT_SUPPORTED="yes"
3252                 BTLS_SUPPORTED=yes
3253                 BTLS_PLATFORM=aarch64
3254                 AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3255                 ;;
3256         s390x-*-linux*)
3257                 TARGET=S390X;
3258                 arch_target=s390x;
3259                 ACCESS_UNALIGNED="yes"
3260                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3261                 ;;
3262 esac
3263
3264 HOST=$TARGET
3265
3266 if test "x$host" != "x$target"; then
3267    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3268    enable_mcs_build=no
3269    BTLS_SUPPORTED=no
3270    case "$target" in
3271    arm*-darwin*)
3272                 TARGET=ARM;
3273                 arch_target=arm;
3274                 ACCESS_UNALIGNED="no"
3275                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3276                 # Can't use tls, since it depends on the runtime detection of tls offsets
3277                 # in mono-compiler.h
3278                 with_tls=pthread
3279                 case "$target" in
3280                 armv7k-*)
3281                         arm_fpu=VFP_HARD
3282                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3283                         ;;
3284                 esac            
3285                 ;;
3286    powerpc64-ps3-linux-gnu)
3287                 TARGET=POWERPC64
3288                 arch_target=powerpc64
3289                 AC_DEFINE(TARGET_PS3, 1, [...])
3290                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3291                 # uses this define
3292                 AC_DEFINE(__mono_ppc64__, 1, [...])
3293                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3294                 sizeof_register=8
3295                 target_byte_order=G_BIG_ENDIAN
3296                 ;;
3297    powerpc64-xbox360-linux-gnu)
3298                 TARGET=POWERPC64
3299                 arch_target=powerpc64
3300                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3301                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3302                 # uses this define
3303                 sizeof_register=8
3304                 target_byte_order=G_BIG_ENDIAN
3305                 ;;
3306    arm*-linux-*)
3307                 TARGET=ARM;
3308                 arch_target=arm;
3309                 AC_DEFINE(TARGET_ARM, 1, [...])
3310                 ACCESS_UNALIGNED="no"
3311                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3312                 # Can't use tls, since it depends on the runtime detection of tls offsets
3313                 # in mono-compiler.h
3314                 with_tls=pthread
3315                 target_mach=no
3316                 case "$target" in
3317                 armv7l-unknown-linux-gnueabi*)
3318                         # TEGRA
3319                         CPPFLAGS="$CPPFLAGS"
3320                         ;;
3321                 armv5-*-linux-androideabi*)
3322                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3323                         CPPFLAGS="$CPPFLAGS"
3324                         ;;
3325                 *-linux-androideabi*)
3326                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3327                         CPPFLAGS="$CPPFLAGS"
3328                         ;;
3329                 esac
3330                 ;;
3331    arm*-netbsd*-eabi*)
3332                 TARGET=ARM;
3333                 arch_target=arm;
3334                 AC_DEFINE(TARGET_ARM, 1, [...])
3335                 ACCESS_UNALIGNED="no"
3336                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3337                 # Can't use tls, since it depends on the runtime detection of tls offsets
3338                 # in mono-compiler.h
3339                 with_tls=pthread
3340                 target_mach=no
3341                 ;;
3342    i686*-linux-*)
3343                 TARGET=X86;
3344                 arch_target=x86;
3345                 AC_DEFINE(TARGET_X86, 1, [...])
3346                 CPPFLAGS="$CPPFLAGS"
3347                 # Can't use tls, since it depends on the runtime detection of tls offsets
3348                 # in mono-compiler.h            
3349                 with_tls=pthread
3350                 target_mach=no
3351
3352                 case "$target" in
3353                 *-linux-android*)
3354                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3355                         ;;
3356                 esac
3357                 ;;
3358    x86_64*-linux-*)
3359                 TARGET=AMD64;
3360                 arch_target=amd64;
3361                 AC_DEFINE(TARGET_AMD64, 1, [...])
3362                 CPPFLAGS="$CPPFLAGS"
3363                 # Can't use tls, since it depends on the runtime detection of tls offsets
3364                 # in mono-compiler.h
3365                 with_tls=pthread
3366                 target_mach=no
3367
3368                 case "$target" in
3369                 *-linux-android*)
3370                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3371                         ;;
3372                 esac
3373                 ;;
3374    x86_64-ps4-freebsd)
3375                 TARGET=AMD64;
3376                 arch_target=amd64;
3377                 AC_DEFINE(TARGET_AMD64, 1, [...])
3378                 AC_DEFINE(TARGET_PS4, 1, [...])
3379                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3380                 CPPFLAGS="$CPPFLAGS"
3381                 # Can't use tls, since it depends on the runtime detection of tls offsets
3382                 # in mono-compiler.h
3383                 with_tls=pthread
3384                 target_mach=no
3385                 target_win32=no
3386                 ;;
3387    aarch64*-linux-*)
3388                 TARGET=ARM64;
3389                 arch_target=arm64;
3390                 AC_DEFINE(TARGET_ARM64, 1, [...])
3391                 CPPFLAGS="$CPPFLAGS"
3392                 # Can't use tls, since it depends on the runtime detection of tls offsets
3393                 # in mono-compiler.h
3394                 with_tls=pthread
3395                 target_mach=no
3396                 case "$target" in
3397                 *-linux-android*)
3398                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3399                         ;;
3400                 esac
3401                 ;;
3402         aarch64-*)
3403                 TARGET=ARM64
3404                 ;;
3405         *)
3406                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3407         esac
3408 fi
3409
3410 case "$TARGET" in
3411 X86)
3412         AC_DEFINE(TARGET_X86, 1, [...])
3413         ;;
3414 AMD64)
3415         AC_DEFINE(TARGET_AMD64, 1, [...])
3416         ;;
3417 ARM)
3418         AC_DEFINE(TARGET_ARM, 1, [...])
3419         ;;
3420 ARM64)
3421         AC_DEFINE(TARGET_ARM64, 1, [...])
3422         ;;
3423 POWERPC)
3424         AC_DEFINE(TARGET_POWERPC, 1, [...])
3425         ;;
3426 POWERPC64)
3427         AC_DEFINE(TARGET_POWERPC, 1, [...])
3428         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3429         ;;
3430 S390X)
3431         AC_DEFINE(TARGET_S390X, 1, [...])
3432         ;;
3433 MIPS)
3434         AC_DEFINE(TARGET_MIPS, 1, [...])
3435         ;;
3436 SPARC)
3437         AC_DEFINE(TARGET_SPARC, 1, [...])
3438         ;;
3439 SPARC64)
3440         AC_DEFINE(TARGET_SPARC64, 1, [...])
3441         ;;
3442 esac
3443
3444 case "$HOST" in
3445 X86)
3446         AC_DEFINE(HOST_X86, 1, [...])
3447         ;;
3448 AMD64)
3449         AC_DEFINE(HOST_AMD64, 1, [...])
3450         ;;
3451 ARM)
3452         AC_DEFINE(HOST_ARM, 1, [...])
3453         ;;
3454 ARM64)
3455         AC_DEFINE(HOST_ARM64, 1, [...])
3456         ;;
3457 POWERPC)
3458         AC_DEFINE(HOST_POWERPC, 1, [...])
3459         ;;
3460 POWERPC64)
3461         AC_DEFINE(HOST_POWERPC, 1, [...])
3462         AC_DEFINE(HOST_POWERPC64, 1, [...])
3463         ;;
3464 S390X)
3465         AC_DEFINE(HOST_S390X, 1, [...])
3466         ;;
3467 MIPS)
3468         AC_DEFINE(HOST_MIPS, 1, [...])
3469         ;;
3470 SPARC)
3471         AC_DEFINE(HOST_SPARC, 1, [...])
3472         ;;
3473 SPARC64)
3474         AC_DEFINE(HOST_SPARC64, 1, [...])
3475         ;;
3476 esac
3477
3478 #WASM hack
3479 fi
3480
3481
3482 dnl *************
3483 dnl *** VTUNE ***
3484 dnl *************
3485
3486 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3487 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3488
3489 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3490
3491 if test "x$enable_vtune" = "xyes"; then
3492         if test "x$with_vtune" = "x"; then
3493                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3494         else
3495                 VTUNE_PATH=$with_vtune
3496         fi
3497         VTUNE_INCLUDE=$VTUNE_PATH/include
3498         case "$TARGET" in
3499         X86)
3500                 VTUNE_LIB=$VTUNE_PATH/lib32
3501                 ;;
3502         AMD64)
3503                 VTUNE_LIB=$VTUNE_PATH/lib64
3504                 ;;
3505         *)
3506                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3507                 ;;
3508         esac
3509         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3510                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3511         fi
3512         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3513                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3514         fi
3515
3516         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3517         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3518
3519         AC_SUBST(VTUNE_LIBS)
3520         AC_SUBST(VTUNE_CFLAGS)
3521 fi
3522 dnl Use GCC atomic ops if they work on the target.
3523 if test x$GCC = "xyes"; then
3524         case $TARGET in
3525         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3526                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3527                 ;;
3528         esac
3529 fi
3530
3531 if test "x$target_mach" = "xyes"; then
3532
3533    if test "x$TARGET_SYS" = "xWATCHOS"; then
3534           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3535           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3536           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3537           BTLS_SUPPORTED=no
3538    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3539           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3540           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3541           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3542           BTLS_SUPPORTED=no
3543    else
3544        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3545        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3546        #error fail this for ios
3547        #endif
3548        return 0;
3549        ], [
3550                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3551           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3552           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3553           target_osx=yes
3554        ], [
3555           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3556           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3557           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3558           BTLS_SUPPORTED=no
3559                   target_ios=yes
3560        ])
3561         fi
3562    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3563 fi
3564
3565 AM_CONDITIONAL(TARGET_OSX, test x$target_osx = xyes)
3566
3567 if test "x$sizeof_register" = "x4"; then
3568    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3569 elif test "x$sizeof_register" = "x8"; then
3570    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3571 else
3572    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3573 fi
3574
3575 AC_SUBST(SIZEOF_VOID_P,[$ac_cv_sizeof_void_p])
3576
3577 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3578    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3579 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3580    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3581 else
3582    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3583 fi
3584
3585 if test "x$have_visibility_hidden" = "xyes"; then
3586    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3587 fi
3588
3589 if test "x$have_deprecated" = "xyes"; then
3590    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3591 fi
3592
3593 AC_ARG_ENABLE(interpreter, [  --enable-interpreter       Enable Interpreter], enable_interpreter=$enableval, enable_interpreter=no)
3594
3595 if test "x$enable_interpreter" = "xyes"; then
3596         AC_DEFINE(ENABLE_INTERPRETER, 1, [Enable Interpreter])
3597 fi
3598
3599 AM_CONDITIONAL(ENABLE_INTERPRETER, [test x$enable_interpreter = xyes])
3600
3601 dnl 
3602 dnl Simple Generational checks (sgen)
3603 dnl
3604 SGEN_DEFINES=
3605 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3606 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3607 if test x$buildsgen = xyes; then
3608    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3609    SGEN_DEFINES="-DHAVE_SGEN_GC"
3610
3611         conc_gc_msg=""
3612    if test x$with_sgen_default_concurrent != xno; then
3613        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3614            conc_gc_msg=" (concurrent by default)"
3615    fi
3616
3617    if test "x$gc_msg" = "x"; then
3618       gc_msg="sgen$conc_gc_msg"
3619    else
3620       gc_msg="sgen$conc_gc_msg and $gc_msg"
3621    fi
3622 fi
3623 AC_SUBST(SGEN_DEFINES)
3624 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3625
3626 jit_status="Building and using the JIT"
3627
3628 libsuffix=".so"
3629
3630 case "$host" in
3631      *-*-darwin*)
3632         libsuffix=".dylib"
3633         LIBC="libc.dylib"
3634         INTL="libintl.dylib"
3635         SQLITE="libsqlite.0.dylib"
3636         SQLITE3="libsqlite3.0.dylib"
3637         X11="libX11.dylib"
3638         GDKX11="libgdk-x11-2.0.dylib"
3639         GTKX11="libgtk-x11-2.0.dylib"
3640         ;;
3641      *-*-*netbsd*)
3642         LIBC="libc.so"
3643         INTL="libintl.so"
3644         SQLITE="libsqlite.so"
3645         SQLITE3="libsqlite3.so"
3646         ;;
3647      *-*-kfreebsd*-gnu)
3648         LIBC="libc.so.0.1"
3649         INTL="libc.so.0.1"
3650         X11="libX11.so.6"
3651         ;;
3652     *-*-*freebsd*)
3653         LIBC="libc.so.7"
3654         INTL="libintl.so"
3655         SQLITE="libsqlite.so"
3656         SQLITE3="libsqlite3.so"
3657         ;;
3658     *-*-*openbsd*)
3659         LIBC="libc.so"
3660         INTL="libintl.so"
3661         SQLITE="libsqlite.so"
3662         SQLITE3="libsqlite3.so"
3663         ;;
3664     *-*-*linux*)
3665         AC_PATH_X
3666         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3667         AC_MSG_CHECKING(for the soname of libX11.so)
3668         for i in $x_libraries $dlsearch_path; do
3669                 for r in 4 5 6; do
3670                         if test -f $i/libX11.so.$r; then
3671                                 X11=libX11.so.$r
3672                                 AC_MSG_RESULT($X11)
3673                         fi
3674                 done
3675         done
3676         
3677         if test "x$X11" = "xlibX11.so"; then
3678                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3679                 X11=libX11.so.6
3680         fi
3681         ;;
3682 esac
3683
3684 AC_SUBST(libsuffix)
3685
3686 ######################################
3687 # EGLIB CHECKS
3688 ######################################
3689
3690 GNUC_PRETTY=
3691 GNUC_UNUSED=
3692 BREAKPOINT="G_STMT_START { raise (SIGTRAP); } G_STMT_END"
3693 if test x$GCC = xyes; then
3694    GNUC_UNUSED='__attribute__((__unused__))'
3695    GNUC_NORETURN='__attribute__((__noreturn__))'
3696    case $host_cpu in
3697      i*86|x86_64) BREAKPOINT="G_STMT_START { __asm__ (\"int \$03\"); } G_STMT_END" ;;
3698    esac
3699 fi
3700 AC_SUBST(GNUC_PRETTY)
3701 AC_SUBST(GNUC_UNUSED)
3702 AC_SUBST(GNUC_NORETURN)
3703 AC_SUBST(BREAKPOINT)
3704
3705 AC_C_BIGENDIAN([ORDER=G_BIG_ENDIAN],[ORDER=G_LITTLE_ENDIAN])
3706
3707 case $host in
3708 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*)
3709     PATHSEP='\\'
3710     SEARCHSEP=';'
3711     OS="WIN32"
3712     PIDTYPE='void *'
3713     ;;
3714 *)
3715     PATHSEP='/'
3716     SEARCHSEP=':'
3717     OS="UNIX"
3718     PIDTYPE='int'
3719     ;;
3720 esac
3721
3722 case $host in
3723         *-*-solaris*)
3724         CFLAGS="$CFLAGS -D_POSIX_PTHREAD_SEMANTICS"
3725         ;;
3726 esac
3727
3728 case $target in
3729 arm*-darwin*|aarch64*-*)
3730     CFLAGS="$CFLAGS -U_FORTIFY_SOURCE"
3731     ;;
3732 i*86-*-darwin*)
3733     ORDER=G_LITTLE_ENDIAN
3734     ;;
3735 *-*-haiku*)
3736     LDFLAGS="$LDFLAGS -ltextencoding"
3737     ;;
3738 *-*-openbsd*)
3739     CFLAGS="$CFLAGS -pthread"
3740     LDFLAGS="$LDFLAGS -pthread"
3741     ;;
3742 esac
3743
3744 AC_SUBST(ORDER)
3745 AC_SUBST(CFLAGS)
3746 AC_SUBST(PATHSEP)
3747 AC_SUBST(SEARCHSEP)
3748 AC_SUBST(OS)
3749 AC_SUBST(PIDTYPE)
3750
3751 # Defined for all targets/platforms using classic Windows API support.
3752 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
3753 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
3754
3755 AC_CHECK_SIZEOF(int)
3756 AC_CHECK_SIZEOF(void *)
3757 AC_CHECK_SIZEOF(long)
3758 AC_CHECK_SIZEOF(long long)
3759 AC_CHECK_FUNCS(strlcpy stpcpy strtok_r rewinddir vasprintf strerror_r)
3760 AC_CHECK_FUNCS(getrlimit)
3761 AC_CHECK_FUNCS(fork execv execve)
3762
3763 AC_ARG_WITH([overridable-allocators], [  --with-overridable-allocators  allow g_*alloc/g_free to call custom allocators set via g_mem_set_vtable])
3764
3765 if test x$with_overridable_allocators = xyes; then
3766         AC_DEFINE(ENABLE_OVERRIDABLE_ALLOCATORS,1,[Overridable allocator support enabled])
3767   AC_MSG_NOTICE([Overridable allocator support enabled])
3768 else
3769   AC_MSG_NOTICE([Overridable allocator support disabled])
3770 fi
3771
3772 #
3773 # Mono currently supports 10.6, but strndup is not available prior to 10.7; avoiding
3774 # the detection of strndup on OS X so Mono built on 10.7+ still runs on 10.6. This can be
3775 # removed once support for 10.6 is dropped.
3776 #
3777 # iOS detection of strndup and getpwuid_r is faulty for some reason so let's simply avoid it
3778 #
3779 if test x$target_osx = xyes; then
3780 AC_CHECK_FUNCS(getpwuid_r)
3781 elif test x$target_ios = xno; then
3782 AC_CHECK_FUNCS(strndup getpwuid_r)
3783 fi
3784
3785 AM_CONDITIONAL(NEED_VASPRINTF, test x$ac_cv_func_vasprintf = xno || test x$with_overridable_allocators = xyes)
3786 AM_ICONV()
3787 AC_SEARCH_LIBS(sqrtf, m)
3788
3789 # nanosleep may not be part of libc, also search it in other libraries
3790 AC_SEARCH_LIBS(nanosleep, rt)
3791
3792 AC_SEARCH_LIBS(dlopen, dl)
3793 old_ldflags="${LDFLAGS}"
3794 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
3795 AC_TRY_LINK(, [int i;], found_export_dynamic=yes, found_export_dynamic=no)
3796 if test $found_export_dynamic = no; then
3797         LDFLAGS="${old_ldflags}"
3798 fi
3799
3800 AC_MSG_CHECKING(for varargs macros)
3801 AC_TRY_COMPILE([],[
3802 int foo (int i, int j);
3803 #define bar(...) foo (1, __VA_ARGS__)
3804 void main () {
3805          bar (2);
3806 }
3807 ],have_iso_varargs=yes,have_iso_varargs=no)
3808 AC_MSG_RESULT($have_iso_varargs)
3809 G_HAVE_ISO_VARARGS=0
3810 if test "x$have_iso_varargs" = "xyes"; then
3811    G_HAVE_ISO_VARARGS=1
3812 fi
3813 AC_SUBST(G_HAVE_ISO_VARARGS)
3814
3815 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)
3816 AC_CHECK_LIB([iconv], [locale_charset],[],[AC_CHECK_LIB([charset], [locale_charset],[LIBS+="-liconv -lcharset"])])
3817 AC_CHECK_HEADER(alloca.h, [HAVE_ALLOCA_H=1], [HAVE_ALLOCA_H=0])
3818 AC_SUBST(HAVE_ALLOCA_H)
3819
3820 if test $ac_cv_sizeof_void_p = $ac_cv_sizeof_int; then
3821    GPOINTER_TO_INT="((gint) (ptr))"
3822    GPOINTER_TO_UINT="((guint) (ptr))"
3823    GINT_TO_POINTER="((gpointer) (v))"
3824    GUINT_TO_POINTER="((gpointer) (v))"
3825    GSIZE="int"
3826    GSIZE_FORMAT='"u"'
3827 elif test $ac_cv_sizeof_void_p = $ac_cv_sizeof_long; then
3828    GPOINTER_TO_INT="((gint)(long) (ptr))"
3829    GPOINTER_TO_UINT="((guint)(long) (ptr))"
3830    GINT_TO_POINTER="((gpointer)(glong) (v))"
3831    GUINT_TO_POINTER="((gpointer)(gulong) (v))"
3832    GSIZE="long"
3833    GSIZE_FORMAT='"lu"'
3834 elif test $ac_cv_sizeof_void_p = $ac_cv_sizeof_long_long; then
3835    GPOINTER_TO_INT="((gint)(long long) (ptr))"
3836    GPOINTER_TO_UINT="((guint)(unsigned long long) (ptr))"
3837    GINT_TO_POINTER="((gpointer)(long long) (v))"
3838    GUINT_TO_POINTER="((gpointer)(unsigned long long) (v))"
3839    GSIZE="long long"
3840    GSIZE_FORMAT='"I64u"'
3841 else
3842    AC_MSG_ERROR([unsupported pointer size])
3843 fi
3844
3845 AC_SUBST(GPOINTER_TO_INT)
3846 AC_SUBST(GPOINTER_TO_UINT)
3847 AC_SUBST(GINT_TO_POINTER)
3848 AC_SUBST(GUINT_TO_POINTER)
3849 AC_SUBST(GSIZE)
3850 AC_SUBST(GSIZE_FORMAT)
3851 AC_SUBST(G_GUINT64_FORMAT)
3852 AC_SUBST(G_GINT64_FORMAT)
3853 AC_SUBST(G_GUINT32_FORMAT)
3854 AC_SUBST(G_GINT32_FORMAT)
3855
3856 #
3857 # END OF EGLIB CHECKS
3858 #
3859
3860 AC_ARG_WITH([libgdiplus],
3861         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3862         [], [with_libgdiplus=installed])
3863
3864 # default install location
3865 libgdiplus_install_loc=libgdiplus${libsuffix}
3866 case "$host" in
3867     *-*-*linux*)
3868     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3869     ;;
3870 esac
3871
3872 case $with_libgdiplus in
3873     no|installed)
3874     libgdiplus_loc=
3875     ;;
3876
3877     yes|sibling)
3878     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3879     ;;
3880
3881     /*) # absolute path, assume it is an install location
3882     libgdiplus_loc=$with_libgdiplus
3883     libgdiplus_install_loc=$with_libgdiplus
3884     ;;
3885
3886     *)
3887     libgdiplus_loc=`pwd`/$with_libgdiplus
3888     ;;
3889 esac
3890 AC_SUBST([libgdiplus_loc])
3891 AC_SUBST([libgdiplus_install_loc])
3892
3893 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3894 if test "x$icall_symbol_map" = "xyes"; then
3895    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3896 fi
3897
3898 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3899 if test "x$icall_export" = "xyes"; then
3900    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3901 fi
3902
3903 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3904 if test "x$icall_tables" = "xno"; then
3905    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3906 fi
3907
3908 if test "x$with_tls" = "x__thread"; then
3909         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3910         # Pass the information to libgc
3911         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3912         AC_MSG_CHECKING(if the tls_model attribute is supported)
3913         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3914                 ], [
3915                         AC_MSG_RESULT(yes)
3916                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3917                 ], [
3918                         AC_MSG_RESULT(no)
3919         ])
3920 fi
3921
3922 if test ${TARGET} = ARM; then
3923         dnl ******************************************
3924         dnl *** Check to see what FPU is available ***
3925         dnl ******************************************
3926         AC_MSG_CHECKING(which FPU to use)
3927
3928         #
3929         # This is a bit tricky:
3930         #
3931         # if (__ARM_PCS_VFP) {
3932         #       /* mfloat-abi=hard == VFP with hard ABI */
3933         # } elif (!__SOFTFP__) {
3934         #       /* mfloat-abi=softfp == VFP with soft ABI */
3935         # } else {
3936         #       /* mfloat-abi=soft == no VFP */
3937         # }
3938         #
3939         # The exception is iOS (w/ GCC) where none of the above
3940         # are defined (but iOS always uses the 'softfp' ABI).
3941         #
3942         # No support for FPA.
3943         #
3944
3945         fpu=NONE
3946
3947         # iOS GCC always uses the 'softfp' ABI.
3948         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3949                 fpu=VFP
3950         fi
3951
3952         # Are we using the 'hard' ABI?
3953         if test x$fpu = xNONE; then
3954                 AC_TRY_COMPILE([], [
3955                         #ifndef __ARM_PCS_VFP
3956                         #error "Float ABI is not 'hard'"
3957                         #endif
3958                         return 0;
3959                 ], [
3960                         fpu=VFP_HARD
3961                 ], [
3962                         fpu=NONE
3963                 ])
3964         fi
3965
3966         # No 'hard' ABI. 'soft' or 'softfp'?
3967         if test x$fpu = xNONE; then
3968                 AC_TRY_COMPILE([], [
3969                         #ifdef __SOFTFP__
3970                         #error "Float ABI is not 'softfp'"
3971                         #endif
3972                         return 0;
3973                 ], [
3974                         fpu=VFP
3975                 ], [
3976                         fpu=NONE
3977                 ])
3978         fi
3979
3980         if test x$arm_fpu != x; then
3981            fpu=$arm_fpu
3982         fi
3983
3984         AC_MSG_RESULT($fpu)
3985         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3986         unset fpu
3987
3988         dnl *********************************************
3989         dnl *** Check which ARM version(s) we can use ***
3990         dnl *********************************************
3991         AC_MSG_CHECKING(which ARM version to use)
3992
3993         AC_TRY_COMPILE([], [
3994                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3995                 #error Not on ARM v5.
3996                 #endif
3997                 return 0;
3998         ], [
3999                 arm_v5=yes
4000
4001                 arm_ver=ARMv5
4002         ], [])
4003
4004         AC_TRY_COMPILE([], [
4005                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
4006                 #error Not on ARM v6.
4007                 #endif
4008                 return 0;
4009         ], [
4010                 arm_v5=yes
4011                 arm_v6=yes
4012
4013                 arm_ver=ARMv6
4014         ], [])
4015
4016         AC_TRY_COMPILE([], [
4017                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
4018                 #error Not on ARM v7.
4019                 #endif
4020                 return 0;
4021         ], [
4022                 arm_v5=yes
4023                 arm_v6=yes
4024                 arm_v7=yes
4025
4026                 arm_ver=ARMv7
4027         ], [])
4028
4029         AC_MSG_RESULT($arm_ver)
4030
4031         if test x$arm_v5 = xyes; then
4032                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
4033                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
4034         fi
4035
4036         if test x$arm_v6 = xyes; then
4037                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
4038                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
4039         fi
4040
4041         if test x$arm_v7 = xyes; then
4042                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
4043                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
4044         fi
4045 fi
4046
4047 if test ${TARGET} = unknown; then
4048         CPPFLAGS="$CPPFLAGS -DNO_PORT"
4049         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
4050 fi
4051
4052 if test "x$platform_android" = "xyes"; then
4053         case "x${TARGET}" in
4054         xARM)
4055                 case "x$arm_ver" in
4056                 xARMv5)
4057                         BTLS_SUPPORTED=yes
4058                         BTLS_PLATFORM=android-armv5
4059                         ;;
4060                 xARMv6)
4061                         BTLS_SUPPORTED=yes
4062                         BTLS_PLATFORM=android-armv6
4063                         ;;
4064                 xARMv7)
4065                         BTLS_SUPPORTED=yes
4066                         BTLS_PLATFORM=android-armv7
4067                         ;;
4068                 *)
4069                         BTLS_SUPPORTED=no
4070                         ;;
4071                 esac
4072                 ;;
4073         xARM64)
4074                 BTLS_SUPPORTED=yes
4075                 BTLS_PLATFORM=android-v8a
4076                 ;;
4077         xX86)
4078                 BTLS_SUPPORTED=yes
4079                 BTLS_PLATFORM=android-x86
4080                 ;;
4081         xAMD64)
4082                 BTLS_SUPPORTED=yes
4083                 BTLS_PLATFORM=android-x64
4084                 ;;
4085         *)
4086                 BTLS_SUPPORTED=no
4087                 ;;
4088         esac
4089 fi
4090
4091 if test ${ACCESS_UNALIGNED} = no; then
4092         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
4093 fi
4094
4095 if test x$host_darwin = xyes; then
4096         AC_MSG_CHECKING([for ranlib that supports -no_warning_for_no_symbols option])
4097         AS_IF(
4098                 [$RANLIB -no_warning_for_no_symbols 2>&1 | grep -q "unknown option"],
4099                 [AC_MSG_RESULT([no])],
4100                 [
4101                         # avoid AR calling ranlib, libtool calls it anyway. suppress no symbols warning.
4102                         AR_FLAGS="Scru"
4103                         RANLIB="$RANLIB -no_warning_for_no_symbols"
4104                         AC_MSG_RESULT([yes])
4105                 ]
4106         )
4107 fi
4108
4109 case "x$libgc" in
4110         xincluded)
4111                 # Pass CPPFLAGS to libgc configure
4112                 # We should use a separate variable for this to avoid passing useless and
4113                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
4114                 # This should be executed late so we pick up the final version of CPPFLAGS
4115                 # The problem with this approach, is that during a reconfigure, the main
4116                 # configure scripts gets invoked with these arguments, so we use separate
4117                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
4118                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
4119                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
4120                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
4121                 fi
4122                 # Don't pass -finstrument-for-thread-suspension in, 
4123                 # if these are instrumented it will be very bad news 
4124                 # (infinite recursion, undefined parking behavior, etc)
4125                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
4126                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
4127                 if test "x$support_boehm" = "xyes"; then
4128                         AC_CONFIG_SUBDIRS(libgc)
4129                 fi
4130                 ;;
4131 esac
4132
4133 MALLOC_MEMPOOLS=no
4134 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
4135         if test x$with_malloc_mempools = xyes; then
4136                 MALLOC_MEMPOOLS=yes
4137                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
4138         fi
4139 ])
4140
4141
4142 DISABLE_MCS_DOCS=default
4143 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
4144         if test x$with_mcs_docs != xyes; then
4145                 DISABLE_MCS_DOCS=yes
4146         fi
4147 ])
4148 if test -n "$INSTALL_4_x_TRUE"; then :
4149         DISABLE_MCS_DOCS=yes
4150 fi
4151 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
4152    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
4153 fi
4154
4155 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
4156         if test x$with_lazy_gc_thread_creation != xno ; then
4157                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
4158         fi
4159 ], [with_lazy_gc_thread_creation=no])
4160
4161 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])
4162
4163 if test x$with_cooperative_gc = xdefault; then
4164         with_cooperative_gc=$with_cooperative_gc_default
4165 fi
4166
4167 if test x$with_cooperative_gc != xno; then
4168         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
4169 fi
4170
4171 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
4172
4173 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],[
4174
4175         if test x$enable_checked_build != x ; then
4176                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
4177         fi
4178         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
4179                 eval "mono_checked_build_test_enable_$feature='yes'"
4180         done
4181
4182         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
4183                 eval "mono_checked_build_test_enable_gc='yes'"
4184                 eval "mono_checked_build_test_enable_metadata='yes'"
4185                 eval "mono_checked_build_test_enable_thread='yes'"
4186         fi
4187
4188         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
4189                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
4190         fi
4191
4192         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
4193                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
4194         fi
4195
4196         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
4197                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
4198         fi
4199
4200 ], [])
4201
4202 AC_CHECK_HEADER([malloc.h], 
4203                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
4204                         [Define to 1 if you have /usr/include/malloc.h.])],,)
4205
4206 if test x"$GCC" = xyes; then
4207         # Implicit function declarations are not 64 bit safe
4208         # Do this late, since this causes lots of configure tests to fail
4209         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
4210         # jay has a lot of implicit declarations
4211         JAY_CFLAGS="-Wno-implicit-function-declaration"
4212 fi
4213
4214 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
4215 # instead of libmono-static.a
4216 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
4217    LIBMONO_LA=libmini-static.la
4218 else
4219    if test x$buildsgen = xyes; then
4220       LIBMONO_LA=libmonosgen-$API_VER.la
4221    else
4222       LIBMONO_LA=libmonoboehm-$API_VER.la
4223    fi
4224 fi
4225 AC_SUBST(LIBMONO_LA)
4226
4227 dnl **************
4228 dnl ***  Btls  ***
4229 dnl **************
4230
4231 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
4232 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
4233
4234 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
4235
4236 btls_android=no
4237 if test "x$enable_btls" = "xyes"; then
4238         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
4239         if test "x$CMAKE" = "xno"; then
4240                 AC_MSG_ERROR("cmake not found")
4241         fi
4242
4243         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
4244         AC_SUBST(BTLS_ROOT)
4245
4246         btls_arch=
4247         btls_cflags=
4248         BTLS_CMAKE_ARGS=
4249
4250         case "$BTLS_PLATFORM" in
4251         i386)
4252                 btls_arch=i386
4253                 btls_cflags="-m32"
4254                 case $host_os in
4255                         darwin*)
4256                                 btls_cflags="$btls_cflags -arch i386"
4257                 esac
4258                 ;;
4259         x86_64)
4260                 btls_arch=x86_64
4261                 ;;
4262         arm)
4263                 btls_arch=arm
4264                 ;;
4265         armsoft)
4266                 btls_arch=arm
4267                 btls_cflags="-DOPENSSL_NO_ASM=1"
4268                 ;;
4269         aarch64)
4270                 btls_arch=aarch64
4271                 ;;
4272         android-armv5)
4273                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4274                 ;;
4275         android-armv6)
4276                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4277                 ;;
4278         android-armv7)
4279                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
4280                 ;;
4281         android-v8a)
4282                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
4283                 ;;
4284         android-x86)
4285                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
4286                 ;;
4287         android-x64)
4288                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
4289                 ;;
4290         *)
4291                 AC_MSG_ERROR(Invalid BTLS platform)
4292         esac
4293
4294         if test "x$platform_android" = "xyes"; then
4295                 btls_android=yes
4296                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
4297                 if test "x$with_btls_android_ndk" != "x"; then
4298                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
4299                 else
4300                         AC_MSG_ERROR([Need to pass the --with-btls-android-ndk argument when building with BTLS support on Android.])
4301                 fi
4302         fi
4303
4304         if test "x$btls_arch" != "x"; then
4305                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
4306         fi
4307
4308         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4309         AC_SUBST(BTLS_ARCH)
4310         AC_SUBST(BTLS_CFLAGS)
4311         AC_SUBST(BTLS_PLATFORM)
4312         AC_SUBST(BTLS_CMAKE_ARGS)
4313
4314         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4315 else
4316         enable_btls=no
4317 fi
4318
4319 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4320
4321 if test x$DISABLE_MCS_DOCS = xyes; then
4322    docs_dir=""
4323 else
4324    docs_dir=docs
4325 fi
4326 AC_SUBST(docs_dir)
4327
4328 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4329 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4330
4331 libmono_ldflags="$libmono_ldflags $LIBS"
4332
4333 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4334 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4335 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4336 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4337 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4338 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4339 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4340 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4341 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4342 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4343 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4344 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4345 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4346 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4347 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4348 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4349 AM_CONDITIONAL(HOST_WASM, test x$HOST = xWASM)
4350
4351 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4352
4353 AC_SUBST(LIBC)
4354 AC_SUBST(INTL)
4355 AC_SUBST(SQLITE)
4356 AC_SUBST(SQLITE3)
4357 AC_SUBST(X11)
4358 AC_SUBST(GDKX11)
4359 AC_SUBST(GTKX11)
4360 AC_SUBST(XINERAMA)
4361 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4362 AC_SUBST(arch_target)
4363 AC_SUBST(CFLAGS)
4364 AC_SUBST(CPPFLAGS)
4365 AC_SUBST(LDFLAGS)
4366
4367 #This must always be defined when building the runtime
4368 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4369
4370 mono_build_root=`pwd`
4371 AC_SUBST(mono_build_root)
4372
4373 mono_runtime=mono/mini/mono
4374 AC_SUBST(mono_runtime)
4375
4376 CSC_LOCATION=`cd $srcdir && pwd`/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.2.3.1/tools/csc.exe
4377
4378 if test $csc_compiler = mcs; then
4379   CSC=$mcs_topdir/class/lib/build/mcs.exe
4380 else
4381   CSC=$CSC_LOCATION
4382 fi
4383
4384 mono_cfg_root=$mono_build_root/runtime
4385 if test x$host_win32 = xyes; then
4386   if test "x$cross_compiling" = "xno"; then
4387     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4388     CSC=`cygpath -m -a $CSC`
4389     CSC_LOCATION=`cygpath -m -a $CSC_LOCATION`
4390   else
4391     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4392   fi
4393 else
4394   mono_cfg_dir=$mono_cfg_root/etc
4395 fi
4396 AC_SUBST(mono_cfg_dir)
4397
4398 AC_SUBST(CSC)
4399
4400 AC_CONFIG_FILES([po/mcs/Makefile.in])
4401
4402 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4403 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4404
4405 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4406 [   depth=../../../..
4407     case $srcdir in
4408     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4409     .) reldir=$depth ;;
4410     *) reldir=$depth/$srcdir ;;
4411     esac
4412     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4413     cd runtime/etc/mono/1.0
4414     rm -f machine.config
4415     $LN_S $reldir/data/net_1_1/machine.config machine.config
4416     cd $depth
4417 ],[LN_S='$LN_S'])
4418
4419 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4420 [   depth=../../../..
4421     case $srcdir in
4422     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4423     .) reldir=$depth ;;
4424     *) reldir=$depth/$srcdir ;;
4425     esac
4426     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4427     cd runtime/etc/mono/2.0
4428     rm -f machine.config
4429     $LN_S $reldir/data/net_2_0/machine.config machine.config
4430     cd $depth
4431 ],[LN_S='$LN_S'])
4432
4433 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4434 [   depth=../../../..
4435     case $srcdir in
4436     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4437     .) reldir=$depth ;;
4438     *) reldir=$depth/$srcdir ;;
4439     esac
4440     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4441     cd runtime/etc/mono/2.0
4442     rm -f web.config
4443     $LN_S $reldir/data/net_2_0/web.config web.config
4444     cd $depth
4445 ],[LN_S='$LN_S'])
4446
4447 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4448 [   depth=../../..
4449     case $srcdir in
4450     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4451     .) reldir=$depth ;;
4452     *) reldir=$depth/$srcdir ;;
4453     esac
4454     $ac_aux_dir/install-sh -d runtime/etc/mono/
4455     cd runtime/etc/mono/
4456     rm -f browscap.ini
4457     $LN_S $reldir/data/browscap.ini browscap.ini
4458     cd $depth
4459 ],[LN_S='$LN_S'])
4460
4461 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4462 [   depth=../../../../..
4463     case $srcdir in
4464     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4465     .) reldir=$depth ;;
4466     *) reldir=$depth/$srcdir ;;
4467     esac
4468     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4469     cd runtime/etc/mono/2.0/Browsers
4470     rm -f Compat.browser
4471     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4472     cd $depth
4473 ],[LN_S='$LN_S'])
4474
4475 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4476 [   depth=../../../../..
4477     case $srcdir in
4478     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4479     .) reldir=$depth ;;
4480     *) reldir=$depth/$srcdir ;;
4481     esac
4482     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4483     cd runtime/etc/mono/4.0/Browsers
4484     rm -f Compat.browser
4485     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4486     cd $depth
4487 ],[LN_S='$LN_S'])
4488
4489 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4490 [   depth=../../../../..
4491     case $srcdir in
4492     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4493     .) reldir=$depth ;;
4494     *) reldir=$depth/$srcdir ;;
4495     esac
4496     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4497     cd runtime/etc/mono/4.5/Browsers
4498     rm -f Compat.browser
4499     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4500     cd $depth
4501 ],[LN_S='$LN_S'])
4502
4503 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4504 [   depth=../../../..
4505     case $srcdir in
4506     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4507     .) reldir=$depth ;;
4508     *) reldir=$depth/$srcdir ;;
4509     esac
4510     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4511     cd runtime/etc/mono/4.0
4512     rm -f machine.config
4513     $LN_S $reldir/data/net_4_0/machine.config machine.config
4514     cd $depth
4515 ],[LN_S='$LN_S'])
4516
4517 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4518 [   depth=../../../..
4519     case $srcdir in
4520     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4521     .) reldir=$depth ;;
4522     *) reldir=$depth/$srcdir ;;
4523     esac
4524     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4525     cd runtime/etc/mono/4.0
4526     rm -f web.config
4527     $LN_S $reldir/data/net_4_0/web.config web.config
4528     cd $depth
4529 ],[LN_S='$LN_S'])
4530
4531 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4532 [   depth=../../../..
4533     case $srcdir in
4534     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4535     .) reldir=$depth ;;
4536     *) reldir=$depth/$srcdir ;;
4537     esac
4538     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4539     cd runtime/etc/mono/4.5
4540     rm -f machine.config
4541     $LN_S $reldir/data/net_4_5/machine.config machine.config
4542     cd $depth
4543 ],[LN_S='$LN_S'])
4544
4545 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4546 [   depth=../../../..
4547     case $srcdir in
4548     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4549     .) reldir=$depth ;;
4550     *) reldir=$depth/$srcdir ;;
4551     esac
4552     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4553     cd runtime/etc/mono/4.5
4554     rm -f web.config
4555     $LN_S $reldir/data/net_4_5/web.config web.config
4556     cd $depth
4557 ],[LN_S='$LN_S'])
4558
4559 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])
4560 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])
4561
4562 AC_OUTPUT([
4563 Makefile
4564 mono-uninstalled.pc
4565 acceptance-tests/Makefile
4566 llvm/Makefile
4567 scripts/mono-find-provides
4568 scripts/mono-find-requires
4569 mono/Makefile
4570 mono/btls/Makefile
4571 mono/utils/Makefile
4572 mono/metadata/Makefile
4573 mono/dis/Makefile
4574 mono/cil/Makefile
4575 mono/arch/Makefile
4576 mono/arch/x86/Makefile
4577 mono/arch/amd64/Makefile
4578 mono/arch/ppc/Makefile
4579 mono/arch/sparc/Makefile
4580 mono/arch/s390x/Makefile
4581 mono/arch/arm/Makefile
4582 mono/arch/arm64/Makefile
4583 mono/arch/mips/Makefile
4584 mono/sgen/Makefile
4585 mono/tests/Makefile
4586 mono/tests/tests-config
4587 mono/tests/gc-descriptors/Makefile
4588 mono/tests/testing_gac/Makefile
4589 mono/unit-tests/Makefile
4590 mono/benchmark/Makefile
4591 mono/mini/Makefile
4592 mono/profiler/Makefile
4593 mono/eglib/Makefile
4594 mono/eglib/eglib-config.h
4595 m4/Makefile
4596 ikvm-native/Makefile
4597 scripts/Makefile
4598 man/Makefile
4599 docs/Makefile
4600 data/Makefile
4601 data/net_2_0/Makefile
4602 data/net_4_0/Makefile
4603 data/net_4_5/Makefile
4604 data/net_2_0/Browsers/Makefile
4605 data/net_4_0/Browsers/Makefile
4606 data/net_4_5/Browsers/Makefile
4607 data/mint.pc
4608 data/mono-2.pc
4609 data/monosgen-2.pc
4610 data/mono.pc
4611 data/mono-cairo.pc
4612 data/mono-nunit.pc
4613 data/mono-options.pc
4614 data/mono-lineeditor.pc
4615 data/monodoc.pc
4616 data/dotnet.pc
4617 data/dotnet35.pc
4618 data/wcf.pc
4619 data/cecil.pc
4620 data/system.web.extensions_1.0.pc
4621 data/system.web.extensions.design_1.0.pc
4622 data/system.web.mvc.pc
4623 data/system.web.mvc2.pc
4624 data/system.web.mvc3.pc
4625 data/aspnetwebstack.pc
4626 data/reactive.pc
4627 samples/Makefile
4628 support/Makefile
4629 data/config
4630 tools/Makefile
4631 tools/locale-builder/Makefile
4632 tools/sgen/Makefile
4633 tools/monograph/Makefile
4634 tools/pedump/Makefile
4635 runtime/Makefile
4636 msvc/Makefile
4637 po/Makefile
4638 ])
4639
4640 # Update all submodules recursively to ensure everything is checked out
4641 $srcdir/scripts/update_submodules.sh
4642
4643 if test x$host_win32 = xyes; then
4644    # Get rid of 'cyg' prefixes in library names
4645    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4646    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4647    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4648    # executable doesn't work...
4649    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4650 fi
4651
4652 if test x$host_darwin = xyes; then
4653    # This doesn't seem to be required and it slows down parallel builds
4654    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4655 fi
4656
4657 (
4658   case $prefix in
4659   NONE) prefix=$ac_default_prefix ;;
4660   esac
4661   case $exec_prefix in
4662   NONE) exec_prefix='${prefix}' ;;
4663   esac
4664
4665   #
4666   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4667   # any existing config.make.  This allows people to share the same source tree
4668   # with different build directories, one native and one cross
4669   #
4670   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4671
4672     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4673
4674     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4675     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4676     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4677     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4678     echo "mono_build_root=$mono_build_root" >> $mcs_topdir/build/config.make
4679     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4680     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4681     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4682     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4683
4684     case $INSTALL in
4685     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4686     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4687     esac
4688
4689     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4690
4691     export VERSION
4692     [myver=$($AWK 'BEGIN {
4693       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4694       if(length(vsplit [1]) > 4) {
4695         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4696       }
4697       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4698     }')]
4699
4700     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4701     echo "MONO_CORLIB_VERSION = $MONO_CORLIB_VERSION" >> $mcs_topdir/build/config.make
4702
4703     if test x$host_darwin = xyes; then
4704       echo "BUILD_PLATFORM = darwin" >> $mcs_topdir/build/config.make
4705     elif test x$host_win32 = xyes; then
4706       echo "BUILD_PLATFORM = win32" >> $mcs_topdir/build/config.make
4707     else
4708       echo "BUILD_PLATFORM = linux" >> $mcs_topdir/build/config.make
4709     fi
4710
4711     if test x$host_darwin = xyes; then
4712       echo "HOST_PLATFORM ?= darwin" >> $mcs_topdir/build/config.make
4713     elif test x$host_win32 = xyes; then
4714       echo "HOST_PLATFORM ?= win32" >> $mcs_topdir/build/config.make
4715     else
4716       echo "HOST_PLATFORM ?= linux" >> $mcs_topdir/build/config.make
4717     fi
4718
4719     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4720       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4721     fi
4722
4723         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4724            enable_system_aot=yes
4725         fi
4726
4727     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4728       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4729     fi
4730
4731     if test x$DISABLE_MCS_DOCS = xyes; then
4732       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4733     fi
4734
4735     if test x$has_extension_module != xno; then
4736         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4737     fi
4738     
4739     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4740     
4741     if test "x$test_bcl_opt" = "xyes"; then    
4742       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4743     fi
4744
4745     echo "CSC_LOCATION = $CSC_LOCATION" >> $srcdir/$mcsdir/build/config.make
4746
4747     if test $csc_compiler = mcs; then
4748       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
4749     fi
4750
4751     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4752       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4753       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4754     fi
4755
4756     if test "x$enable_btls" = "xyes"; then
4757       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4758     fi
4759
4760   fi
4761
4762 )
4763
4764 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4765
4766 btls_platform_string=
4767 if test x$enable_btls = xyes; then
4768         if test x$btls_android = xyes; then
4769                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4770         else
4771                 btls_platform_string=" ($BTLS_PLATFORM)"
4772         fi
4773 fi
4774
4775 echo "
4776         mcs source:    $mcsdir
4777         C# Compiler:   $csc_compiler
4778
4779    Engine:
4780         Host:          $host
4781         Target:        $target
4782         GC:            $gc_msg 
4783         TLS:           $with_tls
4784         SIGALTSTACK:   $with_sigaltstack
4785         Engine:        $jit_status
4786         BigArrays:     $enable_big_arrays
4787         DTrace:        $enable_dtrace
4788         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4789         Interpreter:   $enable_interpreter
4790
4791    Libraries:
4792         .NET 4.x:        $with_profile4_x
4793         Xamarin.Android: $with_monodroid
4794         Xamarin.iOS:     $with_monotouch
4795         Xamarin.WatchOS: $with_monotouch_watch
4796         Xamarin.TVOS:    $with_monotouch_tv
4797         Xamarin.Mac:     $with_xammac
4798         Windows AOT:     $with_winaot
4799         Orbis:           $with_orbis
4800         Unreal:          $with_unreal
4801         Test profiles:   AOT Full ($with_testing_aot_full), AOT Hybrid ($with_testing_aot_hybrid)
4802         JNI support:     $jdk_headers_found
4803         libgdiplus:      $libgdiplus_msg
4804         zlib:            $zlib_msg
4805         BTLS:            $enable_btls$btls_platform_string
4806         $disabled
4807 "
4808 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4809    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4810 fi