[runtime] Use HOST_ defines instead of PLATFORM_ defines. (#5362)
[mono.git] / configure.ac
1 # Process this file with autoconf to produce a configure script.
2 #AC_PREREQ([2.62])
3
4 AC_INIT(mono, [5.7.0],
5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
6
7 AC_CONFIG_SRCDIR([README.md])
8 AC_CONFIG_MACRO_DIR([m4])
9 AC_CANONICAL_SYSTEM
10 AC_CANONICAL_HOST
11
12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
13 # The extra brackets are to foil regex-based scans.
14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
15
16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects]
17                  m4_esyscmd([case `automake --version | head -n 1` in    # parallel-tests is default in automake 1.13+, we need to explicitly enable it
18                              *1.11*|*1.12*) echo parallel-tests;;        # for 1.11 and 1.12 but not below as those versions don't recognize the flag
19                              esac]))                                     # TODO: remove this hack once we require automake 1.11+
20
21 AC_CONFIG_HEADERS([config.h])
22 AM_MAINTAINER_MODE
23
24 API_VER=2.0
25 AC_SUBST(API_VER)
26
27 AC_PROG_LN_S
28
29 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
30
31 MONO_VERSION_MAJOR=`echo $VERSION | cut -d . -f 1`
32 MONO_VERSION_MINOR=`echo $VERSION | cut -d . -f 2`
33 MONO_VERSION_BUILD=`echo $VERSION | cut -d . -f 3`
34
35 # This is the version number of the corlib-runtime interface. When
36 # making changes to this interface (by changing the layout
37 # of classes the runtime knows about, changing icall signature or
38 # semantics etc), increment this variable.
39 #
40 # This can be reset to 0 when Mono's version number is bumped
41 # since it's part of the corlib version (the prefix '1' in the full
42 # version number is to ensure the number isn't treated as octal in C)
43 MONO_CORLIB_COUNTER=0
44 MONO_CORLIB_VERSION=`printf "1%02d%02d%02d%03d" $MONO_VERSION_MAJOR $MONO_VERSION_MINOR $MONO_VERSION_BUILD $MONO_CORLIB_COUNTER`
45
46 AC_DEFINE_UNQUOTED(MONO_CORLIB_VERSION,$MONO_CORLIB_VERSION,[Version of the corlib-runtime interface])
47 AC_SUBST(MONO_CORLIB_VERSION)
48
49 case $host_os in
50 *cygwin* )
51                  echo "Run configure using ./configure --host=i686-pc-mingw32"
52                  exit 1
53 esac
54
55 # In case of cygwin, override LN_S, irrespective of what it determines.
56 # The build uses cygwin, but the actual runtime doesn't.
57 case $host_os in
58 *cygwin* ) LN_S='cp -p';;
59 esac
60
61 #
62 # libgc defaults
63 #
64 libgc_configure_args=
65
66 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
67 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
68 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
69 CFLAGS_FOR_LIBGC=$CFLAGS
70 CPPFLAGS_FOR_BTLS=$CPPFLAGS
71 CFLAGS_FOR_BTLS=$CFLAGS
72
73 # libgc uses some deprecated APIs
74 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
75
76 #
77 # These are the flags that need to be stored in the mono.pc file for 
78 # compiling code that will embed Mono
79 #
80 libmono_cflags=""
81 libmono_ldflags=""
82 AC_SUBST(libmono_cflags)
83 AC_SUBST(libmono_ldflags)
84
85 # Variable to have relocatable .pc files (lib, or lib64)
86 # realpath isn't always available, and requires that all but the tip of the provided
87 # path exists. Fall back to the old behaviour, but realpath allows depth >1
88 # e.g. Debian puts Mono in /usr/bin and libs in /usr/lib/x86_64-linux-gnu/ which is
89 # too deep for the old method to work
90 reloc_libdir=`realpath --relative-to=${prefix} ${libdir} 2> /dev/null || basename ${libdir}`
91 AC_SUBST(reloc_libdir)
92
93 # Set to yes if Unix sockets cannot be created in an anonymous namespace
94 need_link_unlink=no
95
96 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
97 extra_runtime_ldflags=""
98
99 # Thread configuration inspired by sleepycat's db
100 AC_MSG_CHECKING([host platform characteristics])
101 libgc_threads=no
102 has_dtrace=no
103 parallel_mark=yes
104 ikvm_native=yes
105
106 host_win32=no
107 target_win32=no
108 platform_android=no
109 host_darwin=no
110 case "$host" in
111         *-mingw*|*-*-cygwin*)
112                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
113                 AC_DEFINE(HOST_NO_SYMLINKS,1,[This platform does not support symlinks])
114                 host_win32=yes
115                 mono_cv_clang=no
116                 if test "x$cross_compiling" = "xno"; then
117                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
118                                 target_win32=yes
119                         fi
120                 else
121                         if test "x$host" = "x$target"; then
122                                 target_win32=yes
123                         fi
124                 fi
125                 HOST_CC="gcc"
126                 # Windows Vista or later is required
127                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
128                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
129                 libmono_cflags="-mms-bitfields -mwindows"
130                 libmono_ldflags="-mms-bitfields -mwindows"
131                 libdl=
132                 libgc_threads=win32
133                 with_sigaltstack=no
134                 with_tls=pthread
135                 with_sgen_default_concurrent=yes
136                 LN_S=cp
137                 # This forces libgc to use the DllMain based thread registration code on win32
138                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
139                 ;;
140         *-*-*netbsd*)
141                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
142                 libmono_cflags="-D_REENTRANT"
143                 LDFLAGS="$LDFLAGS -pthread"
144                 CPPFLAGS="$CPPFLAGS -DHOST_BSD"
145                 libmono_ldflags="-pthread"
146                 need_link_unlink=yes
147                 libdl="-ldl"
148                 libgc_threads=pthreads
149                 with_sigaltstack=no
150                 use_sigposix=yes
151                 with_sgen_default_concurrent=yes
152                 ;;
153         *-*-kfreebsd*-gnu)
154                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
155                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
156                 libmono_ldflags="-lpthread -pthread"
157                 libdl="-ldl"
158                 libgc_threads=pthreads
159                 need_link_unlink=yes
160                 with_sigaltstack=no
161                 use_sigposix=yes
162                 with_sgen_default_concurrent=yes
163                 ;;
164         *-*-*freebsd*)
165                 if test "x$PTHREAD_CFLAGS" = "x"; then
166                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
167                         libmono_cflags=
168                 else
169                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
170                         libmono_cflags="$PTHREAD_CFLAGS"
171                 fi
172                 if test "x$PTHREAD_LIBS" = "x"; then
173                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
174                         libmono_ldflags="-pthread"
175                 else
176                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
177                         libmono_ldflags="$PTHREAD_LIBS"
178                 fi
179                 CPPFLAGS="$CPPFLAGS -DHOST_BSD"
180                 need_link_unlink=yes
181                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
182                 libdl=
183                 libgc_threads=pthreads
184                 use_sigposix=yes
185                 has_dtrace=yes
186                 with_sgen_default_concurrent=yes
187                 ;;
188         *-*-*openbsd*)
189                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DHOST_BSD -D_REENTRANT -DUSE_MMAP"
190                 if test "x$disable_munmap" != "xyes"; then
191                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
192                 fi
193                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
194                 LDFLAGS="$LDFLAGS -pthread"
195                 need_link_unlink=yes
196                 AC_DEFINE(PTHREAD_POINTER_ID)
197                 libdl=
198                 libgc_threads=pthreads
199                 with_sigaltstack=no
200                 use_sigposix=yes
201                 with_sgen_default_concurrent=yes
202                 ;;
203         *-*-linux-android*)
204                 platform_android=yes
205                 AC_DEFINE(HOST_ANDROID,1,[Targeting the Android platform])
206                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
207
208                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
209                 if test "x$disable_munmap" != "xyes"; then
210                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
211                 fi
212                 libmono_cflags="-D_REENTRANT"
213                 libdl="-ldl"
214                 libgc_threads=pthreads
215                 use_sigposix=yes
216
217                 with_tls=pthread
218                 with_sigaltstack=no
219                 with_static_mono=no
220
221                 # Android doesn't support boehm, as it's missing <link.h>
222                 support_boehm=no
223                 with_gc=sgen
224
225                 # isinf(3) requires -lm; see isinf check below
226                 LDFLAGS="$LDFLAGS -lm"
227
228                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
229                 # PAGE_SIZE; breaks mono/io-layer/collection.c
230                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
231                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
232                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
233
234                 # to bypass the underscore linker check, can't work when cross-compiling
235                 mono_cv_uscore=yes
236                 mono_cv_clang=no
237                 ;;
238         *-*-linux*)
239                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
240                 if test "x$disable_munmap" != "xyes"; then
241                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
242                 fi
243                 libmono_cflags="-D_REENTRANT"
244                 libdl="-ldl"
245                 libgc_threads=pthreads
246                 use_sigposix=yes
247                 if test "x$cross_compiling" != "xno"; then
248                         # to bypass the underscore linker check, not
249                         # available during cross-compilation
250                         mono_cv_uscore=no
251                 fi
252                 case "$host" in
253                 aarch64-*)
254                         support_boehm=no
255                         with_gc=sgen
256                         ;;
257                 powerpc*-*-linux*)
258                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
259                         disable_munmap=yes
260                         ;;
261                 esac
262                 with_sgen_default_concurrent=yes
263                 ;;
264         *-*-nacl*)
265                 echo "nacl no longer supported."
266                 exit 1
267                 ;;
268         *-*-hpux*)
269                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
270                 # +ESdbgasm only valid on bundled cc on RISC
271                 # silently ignored for ia64
272                 if test $GCC != "yes"; then
273                         CFLAGS="$CFLAGS +ESdbgasm"
274                         # Arrange for run-time dereferencing of null
275                         # pointers to produce a SIGSEGV signal.
276                         LDFLAGS="$LDFLAGS -z"
277                 fi
278                 CFLAGS="$CFLAGS +ESdbgasm"
279                 LDFLAGS="$LDFLAGS -z"
280                 libmono_cflags="-D_REENTRANT"
281                 libmono_ldflags="-lpthread"
282                 libgc_threads=pthreads
283                 need_link_unlink=yes
284                 use_sigposix=yes
285                 ;;
286         *-*-solaris*)
287                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DHOST_SOLARIS"
288                 need_link_unlink=yes
289                 libmono_cflags="-D_REENTRANT"
290                 libgc_threads=pthreads
291                 has_dtrace=yes
292                 use_sigposix=yes
293                 enable_solaris_tar_check=yes
294                 ;;
295         *-*-darwin*)
296                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
297                 host_darwin=yes
298                 target_mach=yes
299                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DUSE_MMAP -DUSE_MUNMAP"
300                 libmono_cflags="-D_THREAD_SAFE"
301                 need_link_unlink=yes
302                 AC_DEFINE(PTHREAD_POINTER_ID)
303                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
304                 libdl=
305                 libgc_threads=pthreads
306                 has_dtrace=yes
307                 if test "x$cross_compiling" = "xyes"; then
308                         has_broken_apple_cpp=yes
309                 fi
310                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
311                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
312                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
313                 case "$host" in
314                         dnl Snow Leopard and newer config.guess reports as this
315                         i*86-*-darwin*)
316                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
317                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
318                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
319                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
320                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
321                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
322                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
323                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
324                                 with_sgen_default_concurrent=yes
325                                 ;;
326                         x*64-*-darwin*)
327                                 with_sgen_default_concurrent=yes
328                                 ;;
329                         arm*-darwin*)
330                                 has_dtrace=no
331                                 ;;                      
332                 esac
333                 ;;
334         *-*-haiku*)
335                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
336                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
337                 libdl=
338                 LIBS="$LIBS -lnetwork -ltextencoding"
339                 need_link_unlink=yes
340                 AC_DEFINE(PTHREAD_POINTER_ID)
341                 dnl Haiku does not support static TLS with __thread
342                 with_tls=pthread
343                 dnl Boehm is too much work to backport Haiku support for
344                 support_boehm=no
345                 libgc_threads=pthreads
346                 use_sigposix=yes
347                 ;;
348         *)
349                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
350                 libdl="-ldl"
351                 ;;
352 esac
353 AC_MSG_RESULT(ok)
354
355 if test x$need_link_unlink = xyes; then
356    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
357 fi
358
359 if test x$host_win32 = xyes; then
360    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
361 fi
362
363 if test x$target_win32 = xyes; then
364    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
365 fi
366
367 if test x$host_darwin = xyes; then
368    AC_DEFINE(HOST_DARWIN, 1, [Host Platform is Darwin])
369 fi
370
371 # Defined for all targets/platforms using classic Windows API support.
372 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
373 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
374
375 AC_SUBST(extra_runtime_ldflags)
376 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
377 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
378 AM_CONDITIONAL(HOST_LINUX, echo x$target_os | grep -q linux)
379 AM_CONDITIONAL(HOST_DARWIN, test x$host_darwin = xyes)
380 AM_CONDITIONAL(HOST_SIGPOSIX, test x$use_sigposix = xyes)
381 AM_CONDITIONAL(HOST_ANDROID, test x$platform_android = xyes)
382
383 if test -z "$HOST_DARWIN_TRUE"; then :
384 PLATFORM_AOT_SUFFIX=.dylib
385 fi
386
387 if test -z "$HOST_LINUX_TRUE"; then :
388 PLATFORM_AOT_SUFFIX=.so
389 fi
390
391 if test -z "$HOST_WIN32_TRUE"; then :
392 PLATFORM_AOT_SUFFIX=.dll
393 fi
394
395 AC_SUBST(PLATFORM_AOT_SUFFIX)
396
397 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
398
399 AC_CHECK_TOOL(CC, gcc, gcc)
400 AC_PROG_CC
401 AC_CHECK_TOOL(CXX, g++, g++)
402 AC_PROG_CXX
403 AM_PROG_AS
404 AC_PROG_INSTALL
405 AC_PROG_AWK
406 AM_PROG_CC_C_O
407 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
408 : ${CCAS='$(CC)'}
409 # Set ASFLAGS if not already set.
410 : ${CCASFLAGS='$(CFLAGS)'}
411 AC_SUBST(CCAS)
412 AC_SUBST(CCASFLAGS)
413
414 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
415 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
416 if test "x$CXX" = "xg++"; then
417         if test "x$GXX" != "xyes"; then
418                 # automake/libtool is so broken, it requires g++ even if the c++ sources
419                 # are inside automake conditionals
420                 AC_MSG_ERROR([You need to install g++])
421         fi
422 fi
423
424 dnl may require a specific autoconf version
425 dnl AC_PROG_CC_FOR_BUILD
426 dnl CC_FOR_BUILD not automatically detected
427 CC_FOR_BUILD=$CC
428 CFLAGS_FOR_BUILD=$CFLAGS
429 BUILD_EXEEXT=
430 if test "x$cross_compiling" = "xyes"; then
431         CC_FOR_BUILD=cc
432         CFLAGS_FOR_BUILD=
433         BUILD_EXEEXT=""
434 fi
435 AC_SUBST(CC_FOR_BUILD)
436 AC_SUBST(CFLAGS_FOR_BUILD)
437 AC_SUBST(HOST_CC)
438 AC_SUBST(BUILD_EXEEXT)
439
440 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
441 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
442
443 # Set STDC_HEADERS
444 AC_HEADER_STDC
445 AC_LIBTOOL_WIN32_DLL
446 # This causes monodis to not link correctly
447 #AC_DISABLE_FAST_INSTALL
448
449 #lookup makedev() header
450 AC_HEADER_MAJOR
451
452 AM_PROG_LIBTOOL
453 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
454 DOLT
455
456 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
457 AC_SUBST(export_ldflags)
458
459 # Test whenever ld supports -version-script
460 AC_PROG_LD
461 AC_PROG_LD_GNU
462
463 AM_ICONV()
464
465 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)
466 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)
467 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
468                   [], [], [#include <stddef.h>
469                   #include <sys/socket.h>
470                   #include <linux/socket.h>])
471
472 AC_CHECK_HEADERS(sys/user.h, [], [],
473 [
474 #ifdef HAVE_SYS_PARAM_H
475 # include <sys/param.h>
476 #endif
477 ])
478
479 AC_CHECK_HEADERS(linux/serial.h)
480
481 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
482 if test x$have_zlib = xyes; then
483    AC_TRY_COMPILE([#include <zlib.h>], [
484    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
485    return 0;
486    #else
487    #error No good zlib found
488    #endif
489    ],[
490         AC_MSG_RESULT(Using system zlib)
491         zlib_msg="system zlib"
492         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
493    ],[
494         AC_MSG_RESULT(Using embedded zlib)
495         have_zlib=no
496         zlib_msg="bundled zlib"
497    ])
498 fi
499
500 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
501 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
502
503 # for mono/metadata/debug-symfile.c
504 AC_CHECK_HEADERS(elf.h)
505
506 # for support
507 AC_CHECK_HEADERS(poll.h)
508 AC_CHECK_HEADERS(sys/poll.h)
509 AC_CHECK_HEADERS(sys/wait.h)
510 AC_CHECK_HEADERS(grp.h)
511 AC_CHECK_HEADERS(syslog.h)
512
513 # for mono/dis
514 AC_CHECK_HEADERS(wchar.h)
515 AC_CHECK_HEADERS(ieeefp.h)
516 AC_MSG_CHECKING(for isinf)
517 AC_TRY_LINK([#include <math.h>], [
518         int f = isinf (1.0);
519 ], [
520         AC_MSG_RESULT(yes)
521         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
522 ], [
523         # We'll have to use signals
524         AC_MSG_RESULT(no)
525 ])
526 # mingw
527 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
528         AC_TRY_LINK([#include <math.h>], 
529         [ _finite(0.0); ], 
530         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
531         AC_MSG_RESULT(no)))
532
533 # for Linux statfs support
534 AC_CHECK_HEADERS(linux/magic.h)
535
536 # not 64 bit clean in cross-compile
537 AC_CHECK_SIZEOF(void *, 4)
538
539 AC_CACHE_CHECK([for clang],
540         mono_cv_clang,[
541         AC_TRY_COMPILE([], [
542                 #ifdef __clang__
543                 #else
544                 #error "FAILED"
545                 #endif
546                 return 0;
547         ],
548         [mono_cv_clang=yes],
549         [mono_cv_clang=no],
550         [])
551 ])
552
553 AC_ARG_ENABLE(visibility-hidden,
554 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
555    disable_visibility_hidden=yes, disable_visibility_hidden=no)
556
557 WARN=''
558 if test x"$GCC" = xyes; then
559         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes -Wno-format-zero-length'
560
561                 # We require C99 with some GNU extensions, e.g. `linux` macro
562                 CFLAGS="$CFLAGS -std=gnu99"
563
564                 # The runtime code does not respect ANSI C strict aliasing rules
565                 CFLAGS="$CFLAGS -fno-strict-aliasing"
566
567                 # We rely on signed overflow to behave
568                 CFLAGS="$CFLAGS -fwrapv"
569
570                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
571                 if test x"$disable_visibility_hidden" = xno; then
572                    # Don't export any symbols by default
573                    SHARED_CFLAGS="-fvisibility=hidden"
574                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
575                 fi
576
577                 ORIG_CFLAGS=$CFLAGS
578                 # Check for the normal version, since gcc ignores unknown -Wno options
579                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
580                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
581                 AC_TRY_COMPILE([],[
582                                 return 0;
583                 ], [
584                    AC_MSG_RESULT(yes)
585                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
586                 ], [
587                    AC_MSG_RESULT(no)
588                    CFLAGS=$ORIG_CFLAGS
589                 ])
590
591                 if test "x$mono_cv_clang" = "xyes"; then
592                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
593                    WARN="$WARN -Qunused-arguments"
594                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
595                    # We rely on zero length arrays in structs
596                    WARN="$WARN -Wno-zero-length-array"
597                 fi
598 else
599         # The Sun Forte compiler complains about inline functions that access static variables
600         # so disable all inlining.
601         case "$host" in
602         *-*-solaris*)
603                 CFLAGS="$CFLAGS -Dinline="
604                 ;;
605         esac
606 fi
607 CFLAGS="$CFLAGS -g $WARN"
608 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
609 CPPFLAGS="$CPPFLAGS -g $WARN"
610
611 # Where's the 'mcs' source tree?
612 if test -d $srcdir/mcs; then
613   mcsdir=mcs
614 else
615   mcsdir=../mcs
616 fi
617
618 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
619         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
620                 mcsdir=$with_mcs_path
621         fi
622 )
623
624 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
625
626 #
627 # A sanity check to catch cases where the package was unpacked
628 # with an ancient tar program (Solaris)
629 #
630 AC_ARG_ENABLE(solaris-tar-check,
631 [  --disable-solaris-tar-check    disable solaris tar check],
632    do_solaris_tar_check=no, do_solaris_tar_check=yes)
633
634 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
635         AC_MSG_CHECKING(integrity of package)
636         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
637         then
638                 AC_MSG_RESULT(ok)
639         else
640                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
641                 AC_MSG_ERROR([$errorm])
642         fi
643 fi
644
645 if test "x$with_mcs_path" != "x"; then
646 mcs_topdir=$(cd "$mcsdir" && pwd)
647 mcs_topdir_from_srcdir=$mcs_topdir
648 else
649 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
650 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
651 fi
652
653 # Convert mcs_topdir* paths to Windows syntax.
654 if test x$cross_compiling$host_win32 = xnoyes; then
655   mcs_topdir=$(cygpath -m $mcs_topdir)
656   case $mcs_topdir_from_srcdir in
657     /cygdrive/*)
658         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
659         ;;
660   esac
661 fi
662
663 AC_SUBST([mcs_topdir])
664 AC_SUBST([mcs_topdir_from_srcdir])
665
666 # gettext: prepare the translation directories. 
667 # we do not configure the full gettext, as we consume it dynamically from C#
668 AM_PO_SUBDIRS
669
670 if test "x$USE_NLS" = "xyes"; then
671    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
672
673    if test "x$HAVE_MSGFMT" = "xno"; then
674           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
675    fi
676 fi
677
678 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
679
680 pkg_config_path=
681 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
682         if test x$with_crosspkgdir = "x"; then
683                 if test -s $PKG_CONFIG_PATH; then
684                         pkg_config_path=$PKG_CONFIG_PATH
685                 fi
686         else
687                 pkg_config_path=$with_crosspkgdir
688                 PKG_CONFIG_PATH=$pkg_config_path
689                 export PKG_CONFIG_PATH
690         fi
691 )
692
693 AC_CHECK_PROG(ninja, ninja, yes, no)
694 AM_CONDITIONAL(NINJA, test x$ninja != xno)
695
696 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
697 if test x$werror_flag = xyes; then
698         WERROR_CFLAGS="-Werror"
699 fi
700 AC_SUBST([WERROR_CFLAGS])
701 AC_SUBST([SHARED_CFLAGS])
702
703 GLIB_CFLAGS='-I$(top_srcdir)/mono/eglib -I$(top_builddir)/mono/eglib'
704 GLIB_LIBS='$(top_builddir)/mono/eglib/libeglib.la -lm'
705   
706 AC_SUBST(GLIB_CFLAGS)
707 AC_SUBST(GLIB_LIBS)
708
709 # Enable support for fast thread-local storage
710 # Some systems have broken support, so we allow to disable it.
711 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
712
713 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
714 # This does not work on some platforms (bug #55253)
715 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
716
717 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
718 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
719 # Same as --with-shared_mono=no
720 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
721
722 if test "x$enable_static" = "xno"; then
723    with_static_mono=no
724 fi
725
726 if test "x$enable_shared" = "xno"; then
727    with_shared_mono=no
728 fi
729
730 if test "x$enable_libraries" = "xno"; then
731    with_shared_mono=no
732 fi
733
734 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
735
736 if test "x$host_win32" = "xyes"; then
737    # Boehm GC requires the runtime to be in its own dll
738    with_static_mono=no
739 fi
740
741 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
742 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
743 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
744
745 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
746 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
747         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
748         ORIG_CFLAGS=$CFLAGS
749         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
750         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
751         AC_TRY_COMPILE([], [
752                 return 0;
753         ], [
754            AC_MSG_RESULT(yes)
755            # Pass it to libgc as well
756            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
757         ], [
758            AC_MSG_RESULT(no)
759            CFLAGS=$ORIG_CFLAGS
760         ])
761 fi
762
763 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
764
765 if test x$enable_small_config = xyes; then
766         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
767         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
768 fi
769
770 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=$enableval, enable_system_aot=default)
771
772 DISABLED_FEATURES=none
773 csc_compiler=default
774 endian=unknown
775 AC_C_BIGENDIAN([endian=big],[endian=little],[endian=unknown])
776 AC_MSG_CHECKING([CSharp compiler to use])
777 AC_ARG_WITH(csc, [  --with-csc=mcs,roslyn,default      Configures the CSharp compiler to use],[
778    if test x$withval = xmcs; then
779        csc_compiler=mcs
780    elif test x$withval = xroslyn; then
781        csc_compiler=roslyn
782    elif test x$withval = xdefault; then
783        :
784    else
785        AC_MSG_ERROR([You must supply one of "mcs", "roslyn" or "default" to the --with-csc option])
786    fi
787 ],[csc_compiler=default])
788
789 if test $csc_compiler = default; then
790    if test $endian = big; then
791       csc_compiler=mcs
792    elif test $endian = little; then
793       case "$host" in
794         powerpc*) csc_compiler=mcs ;;
795         *) csc_compiler=roslyn ;;
796       esac
797    else
798       csc_compiler=mcs
799    fi
800 fi
801 AC_MSG_RESULT($csc_compiler)
802
803 #
804 # Set the build profiles and options before things which use them
805 #
806
807 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])
808 AC_ARG_WITH(monodroid,           [  --with-monodroid=yes,no             If you want to build the MonoDroid assemblies (defaults to no)],            [], [with_monodroid=default])
809 AC_ARG_WITH(monotouch,           [  --with-monotouch=yes,no             If you want to build the Xamarin.iOS assemblies (defaults to no)],          [], [with_monotouch=default])
810 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])
811 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])
812 AC_ARG_WITH(bitcode,             [  --with-bitcode=yes,no               If bitcode is enabled (defaults to no)],                                    [], [with_bitcode=default])
813 AC_ARG_WITH(xammac,              [  --with-xammac=yes,no                If you want to build the Xamarin.Mac assemblies (defaults to no)],          [], [with_xammac=default])
814 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])
815 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])
816 AC_ARG_WITH(winaot,              [  --with-winaot=yes,no                If you want to build the Windows friendly AOT assemblies (defaults to no)], [], [with_winaot=default])
817 AC_ARG_WITH(orbis,               [  --with-orbis=yes,no                 If you want to build the Orbis assemblies (defaults to no)], [], [with_orbis=default])
818 AC_ARG_WITH(unreal,              [  --with-unreal=yes,no                If you want to build the Unreal assemblies (defaults to no)], [], [with_unreal=default])
819
820
821 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])
822
823 dnl
824 dnl Profile defaults
825 dnl
826 TEST_PROFILE=default
827 enable_llvm_default=no
828
829 with_profile4_x_default=no
830 with_monodroid_default=no
831 with_monotouch_default=no
832 with_monotouch_watch_default=no
833 with_monotouch_tv_default=no
834 with_xammac_default=no
835 with_testing_aot_hybrid_default=no
836 with_testing_aot_full_default=no
837 with_winaot_default=no
838 with_orbis_default=no
839 with_unreal_default=no
840
841 with_bitcode_default=no
842 with_cooperative_gc_default=no
843
844 INVARIANT_AOT_OPTIONS=nimt-trampolines=2000,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4000
845
846 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
847    DISABLE_MCS_DOCS_default=yes
848 elif test x$with_runtime_preset = xnet_4_x; then
849    with_profile4_x_default=yes
850 elif test x$with_runtime_preset = xall; then
851    with_profile4_x_default=yes
852    with_monodroid_default=yes
853    with_monotouch_default=yes
854    with_monotouch_watch_default=yes
855    with_monotouch_tv_default=yes
856    with_xammac_default=yes
857    with_winaot_default=yes
858    with_orbis_default=yes
859    with_unreal_default=yes
860 elif test x$with_runtime_preset = xfullaot; then
861    DISABLE_MCS_DOCS_default=yes
862    with_testing_aot_full_default=yes
863    TEST_PROFILE=testing_aot_full
864
865    mono_feature_disable_com='yes'
866    mono_feature_disable_remoting='yes'
867    mono_feature_disable_reflection_emit_save='yes'
868    mono_feature_disable_reflection_emit='yes'
869    mono_feature_disable_appdomains='yes'
870
871    AOT_BUILD_FLAGS="--runtime=mobile -O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
872
873    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
874 elif test x$with_runtime_preset = xbitcode; then
875    DISABLE_MCS_DOCS_default=yes
876    with_testing_aot_full_default=yes
877    with_bitcode_default=yes
878    with_cooperative_gc_default=yes
879    TEST_PROFILE=testing_aot_full
880    enable_llvm_default=yes
881
882    mono_feature_disable_com='yes'
883    mono_feature_disable_remoting='yes'
884    mono_feature_disable_reflection_emit_save='yes'
885    mono_feature_disable_reflection_emit='yes'
886    mono_feature_disable_appdomains='yes'
887
888    AOT_BUILD_FLAGS="--runtime=mobile --aot=llvmonly,$INVARIANT_AOT_OPTIONS"
889    AOT_RUN_FLAGS="--runtime=mobile --llvmonly"
890 elif test x$with_runtime_preset = xhybridaot; then
891    DISABLE_MCS_DOCS_default=yes
892    with_testing_aot_hybrid_default=yes
893    TEST_PROFILE=testing_aot_hybrid 
894
895    AOT_BUILD_FLAGS="--runtime=mobile --aot=hybrid,$INVARIANT_AOT_OPTIONS"
896    AOT_RUN_FLAGS="--runtime=mobile --hybrid-aot"
897 elif test x$with_runtime_preset = xaot; then
898    with_profile4_x_default=yes
899
900    AOT_BUILD_FLAGS="--aot=$INVARIANT_AOT_OPTIONS"
901    AOT_RUN_FLAGS=""
902
903    DISABLE_MCS_DOCS_default=yes
904 elif test x$with_runtime_preset = xwinaot; then
905    DISABLE_MCS_DOCS_default=yes
906    with_winaot_default=yes
907    TEST_PROFILE=winaot
908
909    mono_feature_disable_com='yes'
910    mono_feature_disable_remoting='yes'
911    mono_feature_disable_reflection_emit_save='yes'
912    mono_feature_disable_reflection_emit='yes'
913    mono_feature_disable_appdomains='yes'
914
915    AOT_BUILD_FLAGS="--runtime=mobile --aot=full,$INVARIANT_AOT_OPTIONS"
916    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
917 elif test x$with_runtime_preset = xorbis; then
918    DISABLE_MCS_DOCS_default=yes
919    with_orbis_default=yes
920    TEST_PROFILE=orbis
921
922    mono_feature_disable_com='yes'
923    mono_feature_disable_remoting='yes'
924    mono_feature_disable_reflection_emit_save='yes'
925    mono_feature_disable_reflection_emit='yes'
926    mono_feature_disable_appdomains='yes'
927
928    AOT_BUILD_FLAGS="--runtime=mobile --aot=full,$INVARIANT_AOT_OPTIONS"
929    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
930 elif test x$with_runtime_preset = xunreal; then
931    DISABLE_MCS_DOCS_default=yes
932    with_unreal_default=yes
933    TEST_PROFILE=unreal
934
935    mono_feature_disable_com='yes'
936    mono_feature_disable_remoting='yes'
937    mono_feature_disable_appdomains='no'
938
939    AOT_BUILD_FLAGS="--runtime=mobile --aot=hybrid,$INVARIANT_AOT_OPTIONS"
940    AOT_RUN_FLAGS="--runtime=mobile --hybrid-aot"
941 else
942    with_profile4_x_default=yes
943 fi
944
945 if test "x$AOT_BUILD_FLAGS" != "x"; then :
946    AC_SUBST(AOT_BUILD_FLAGS)
947    AC_SUBST(AOT_RUN_FLAGS)
948    # For llvmonlycheck + fullaotcheck
949    AC_SUBST(INVARIANT_AOT_OPTIONS)
950 fi
951
952 AC_SUBST(TEST_PROFILE)
953
954 if test "x$with_profile4_x" = "xdefault"; then
955    with_profile4_x=$with_profile4_x_default
956 fi
957 if test "x$with_monodroid" = "xdefault"; then
958    with_monodroid=$with_monodroid_default
959 fi
960 if test "x$with_monotouch" = "xdefault"; then
961    with_monotouch=$with_monotouch_default
962 fi
963 if test "x$with_monotouch_watch" = "xdefault"; then
964    with_monotouch_watch=$with_monotouch_watch_default
965 fi
966 if test "x$with_monotouch_tv" = "xdefault"; then
967    with_monotouch_tv=$with_monotouch_tv_default
968 fi
969 if test "x$with_bitcode" = "xdefault"; then
970    with_bitcode=$with_bitcode_default
971 fi
972 if test "x$with_xammac" = "xdefault"; then
973    with_xammac=$with_xammac_default
974 fi
975 if test "x$with_testing_aot_hybrid" = "xdefault"; then
976    with_testing_aot_hybrid=$with_testing_aot_hybrid_default
977 fi
978 if test "x$with_testing_aot_full" = "xdefault"; then
979    with_testing_aot_full=$with_testing_aot_full_default
980 fi
981 if test "x$with_winaot" = "xdefault"; then
982    with_winaot=$with_winaot_default
983 fi
984 if test "x$with_orbis" = "xdefault"; then
985    with_orbis=$with_orbis_default
986 fi
987 if test "x$with_unreal" = "xdefault"; then
988    with_unreal=$with_unreal_default
989 fi
990
991
992 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
993 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
994 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
995 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
996 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
997 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
998 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
999 AM_CONDITIONAL(INSTALL_TESTING_AOT_HYBRID, [test "x$with_testing_aot_hybrid" != "xno"])
1000 AM_CONDITIONAL(INSTALL_TESTING_AOT_FULL, [test "x$with_testing_aot_full" != "xno"])
1001 AM_CONDITIONAL(INSTALL_WINAOT, [test "x$with_winaot" != "xno"])
1002 AM_CONDITIONAL(INSTALL_ORBIS, [test "x$with_orbis" != "xno"])
1003 AM_CONDITIONAL(INSTALL_UNREAL, [test "x$with_unreal" != "xno"])
1004 AM_CONDITIONAL(FULL_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_full"] || [test "x$TEST_PROFILE" = "xwinaot"] || [test "x$TEST_PROFILE" = "xorbis"])
1005 AM_CONDITIONAL(HYBRID_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_hybrid"] || [test "x$TEST_PROFILE" = "xunreal"])
1006
1007 default_profile=net_4_x
1008 if test -z "$INSTALL_MONODROID_TRUE"; then :
1009    default_profile=monodroid
1010 fi
1011 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
1012    default_profile=monotouch
1013 fi
1014 if test -z "$INSTALL_XAMMAC_TRUE"; then :
1015    default_profile=xammac
1016 fi
1017 if test -z "$INSTALL_TESTING_AOT_HYBRID_TRUE"; then :
1018    default_profile=testing_aot_hybrid
1019 fi
1020 if test -z "$INSTALL_TESTING_AOT_FULL_TRUE"; then :
1021    default_profile=testing_aot_full
1022 fi
1023 if test -z "$INSTALL_WINAOT_TRUE"; then :
1024    default_profile=winaot
1025 fi
1026 if test -z "$INSTALL_ORBIS_TRUE"; then :
1027    default_profile=orbis
1028 fi
1029 if test -z "$INSTALL_UNREAL_TRUE"; then :
1030    default_profile=unreal
1031 fi
1032 if test -z "$INSTALL_4_x_TRUE"; then :
1033    default_profile=net_4_x
1034 fi
1035 DEFAULT_PROFILE=$default_profile
1036 AC_SUBST(DEFAULT_PROFILE)
1037
1038 #
1039 # End build profile configuration
1040 #
1041
1042 if test x$USE_NLS = xprofile_default; then
1043
1044         AC_MSG_CHECKING([NLS used])
1045
1046         # We make the default value for USE_NLS
1047         # "no" on OSX because it isn't available on most
1048         # default OSX installs. The most common configurations will
1049         # all disable it, so this saves us typing.
1050         if test x$host_darwin = xyes; then
1051                 USE_NLS=no;
1052         else
1053                 USE_NLS=yes;
1054         fi
1055
1056         AC_SUBST([USE_NLS])
1057         AC_MSG_RESULT([$USE_NLS])
1058 fi
1059
1060 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
1061      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
1062      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, desktop_loader, shared_perfcounters, remoting,
1063          security, lldb, mdb, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
1064 [
1065         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
1066                 eval "mono_feature_disable_$feature='yes'"
1067         done
1068         DISABLED_FEATURES=$enable_minimal
1069         disabled="Disabled:      $enable_minimal"
1070 ],[])
1071
1072 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
1073
1074 if test "x$mono_feature_disable_aot" = "xyes"; then
1075         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
1076         enable_system_aot=no
1077         AC_MSG_NOTICE([Disabled AOT compiler])
1078 fi
1079
1080 if test "x$mono_feature_disable_profiler" = "xyes"; then
1081         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
1082         AC_MSG_NOTICE([Disabled support for the profiler])
1083 fi
1084 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
1085
1086 if test "x$mono_feature_disable_decimal" = "xyes"; then
1087         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
1088         AC_MSG_NOTICE([Disabled support for decimal])
1089 fi
1090
1091 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
1092         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
1093         AC_MSG_NOTICE([Disabled support for P/Invoke])
1094 fi
1095
1096 if test "x$mono_feature_disable_debug" = "xyes"; then
1097         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
1098         AC_MSG_NOTICE([Disabled support for runtime debugging])
1099 fi
1100
1101 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
1102         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
1103         mono_feature_disable_reflection_emit_save=yes
1104         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
1105 fi
1106
1107 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
1108         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
1109         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
1110 fi
1111
1112 if test "x$mono_feature_disable_large_code" = "xyes"; then
1113         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1114         AC_MSG_NOTICE([Disabled support for large assemblies])
1115 fi
1116
1117 if test "x$mono_feature_disable_logging" = "xyes"; then
1118         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1119         AC_MSG_NOTICE([Disabled support for logging])
1120 fi
1121
1122 if test "x$mono_feature_disable_com" = "xyes"; then
1123         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1124         AC_MSG_NOTICE([Disabled COM support])
1125 fi
1126
1127 if test "x$mono_feature_disable_ssa" = "xyes"; then
1128         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1129         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1130 fi
1131
1132 if test "x$mono_feature_disable_generics" = "xyes"; then
1133         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1134         AC_MSG_NOTICE([Disabled Generics Support])
1135 fi
1136
1137 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1138         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1139         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1140 fi
1141
1142 if test "x$mono_feature_disable_portability" = "xyes"; then
1143         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1144         AC_MSG_NOTICE([Disabled IO Portability layer])
1145 fi
1146
1147 if test "x$mono_feature_disable_attach" = "xyes"; then
1148         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1149         AC_MSG_NOTICE([Disabled agent attach])
1150 fi
1151
1152 if test "x$mono_feature_disable_verifier" = "xyes"; then
1153         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1154         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1155 fi
1156
1157 if test "x$mono_feature_disable_jit" = "xyes"; then
1158         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1159         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1160 fi
1161
1162 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1163
1164 if test "x$mono_feature_disable_simd" = "xyes"; then
1165         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1166         AC_MSG_NOTICE([Disabled SIMD support])
1167 fi
1168
1169 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1170         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1171         AC_MSG_NOTICE([Disabled Soft Debugger.])
1172 fi
1173
1174 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1175         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1176         AC_MSG_NOTICE([Disabled Performance Counters.])
1177 fi
1178 if test "x$mono_feature_disable_normalization" = "xyes"; then
1179         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1180         AC_MSG_NOTICE([Disabled String normalization support.])
1181 fi
1182
1183 #TODO: remove assembly_remapping feature name once everyone is using desktop_loader
1184 if test "x$mono_feature_disable_assembly_remapping" = "xyes" || test "x$mono_feature_disable_desktop_loader" = "xyes"; then
1185         AC_DEFINE(DISABLE_DESKTOP_LOADER, 1, [Disable desktop assembly loader semantics.])
1186         AC_MSG_NOTICE([Disabled desktop assembly loader semantics.])
1187 fi
1188
1189 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1190         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1191         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1192 fi
1193
1194 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1195         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1196         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1197 fi
1198
1199 if test "x$mono_feature_disable_remoting" = "xyes"; then
1200         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1201         AC_MSG_NOTICE([Disabled remoting])
1202 fi
1203
1204 if test "x$mono_feature_disable_security" = "xyes"; then
1205         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1206         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1207 fi
1208
1209 if test "x$mono_feature_disable_lldb" = "xyes"; then
1210         AC_DEFINE(DISABLE_LLDB, 1, [Disable support code for the LLDB plugin.])
1211         AC_MSG_NOTICE([Disabled LLDB plugin support code.])
1212 fi
1213
1214 if test "x$mono_feature_disable_mdb" = "xyes"; then
1215         AC_DEFINE(DISABLE_MDB, 1, [Disable support for .mdb symbol files.])
1216         AC_MSG_NOTICE([Disabled support for .mdb symbol files.])
1217 fi
1218
1219 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1220         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1221         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1222 fi
1223
1224 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1225         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1226         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1227 fi
1228
1229 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1230         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1231         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1232 fi
1233
1234 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1235         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1236         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1237 fi
1238
1239 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1240         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1241         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1242 fi
1243
1244 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1245 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1246
1247 has_extension_module=no
1248 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1249 [
1250         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1251                 if test x$extension = xdefault ; then
1252                         has_extension_module=yes;
1253                 fi
1254         done
1255         if test x$enable_extension_module = xyes; then
1256                 has_extension_module=yes;
1257         fi
1258 ], [])
1259
1260 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1261
1262 if test x$has_extension_module != xno ; then
1263         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1264         AC_MSG_NOTICE([Enabling mono extension module.])
1265 fi
1266
1267 # Deprecated
1268 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1269
1270 AC_MSG_CHECKING(for visibility __attribute__)
1271 AC_COMPILE_IFELSE([
1272         AC_LANG_SOURCE([[
1273                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1274                 int main () { doit (); return 0; }
1275         ]])
1276 ], [
1277    have_visibility_hidden=yes
1278    AC_MSG_RESULT(yes)
1279 ], [
1280    have_visibility_hidden=no
1281    AC_MSG_RESULT(no)
1282 ])
1283
1284 dnl
1285 dnl Boehm GC configuration
1286 dnl
1287
1288 AC_ARG_WITH(libgc,   [  --with-libgc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_libgc],[libgc=included])
1289
1290 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1291 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1292
1293 if test "x$support_boehm" = "xyes"; then
1294
1295         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1296         if test x$enable_parallel_mark = xyes; then
1297                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1298         fi
1299
1300         gc_msg=""
1301         LIBGC_CPPFLAGS=
1302         LIBGC_LIBS=
1303         LIBGC_STATIC_LIBS=
1304         libgc_dir=
1305         case "x$libgc" in
1306                 xincluded)
1307                         if test "x$support_boehm" = "xyes"; then
1308                                 libgc_dir=libgc
1309                         fi
1310
1311                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1312                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1313                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1314
1315                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1316
1317                         if test x$target_win32 = xyes; then
1318                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1319                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1320                         fi
1321
1322                         gc_msg="Included Boehm GC with typed GC"
1323                         if test x$enable_parallel_mark = xyes; then
1324                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1325                                 gc_msg="$gc_msg and parallel mark"
1326                         else
1327                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1328                         fi
1329                         ;;
1330
1331                 xboehm|xbohem|xyes)
1332                         AC_MSG_WARN("External Boehm is no longer supported")
1333                         ;;
1334
1335                 xsgen)
1336                         AC_MSG_WARN("Use --with-sgen instead, --with-libgc= controls Boehm configuration")
1337                         ;;
1338
1339                 xnone)
1340                         AC_MSG_WARN("Compiling mono without GC.")
1341                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1342                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1343                         gc_msg="none"
1344                         ;;
1345                 *)
1346                         AC_MSG_ERROR([Invalid argument $libgc to --with-libgc.])
1347                         ;;
1348         esac
1349
1350         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1351         if test "x$large_heap" = "xyes"; then
1352            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1353         fi
1354
1355         AC_SUBST(LIBGC_CPPFLAGS)
1356         AC_SUBST(LIBGC_LIBS)
1357         AC_SUBST(LIBGC_STATIC_LIBS)
1358         AC_SUBST(libgc_dir)
1359         AC_SUBST(BOEHM_DEFINES)
1360
1361 fi
1362 AM_CONDITIONAL(SUPPORT_NULLGC, test "x$libgc" = "xnone")
1363
1364 dnl
1365 dnl End of Boehm GC Configuration
1366 dnl
1367
1368 dnl *************************************
1369 dnl *** Checks for zero length arrays ***
1370 dnl *************************************
1371 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1372 AC_TRY_COMPILE([
1373         struct s {
1374                 int  length;
1375                 char data [0];
1376         };
1377 ], [], [
1378         AC_MSG_RESULT(yes)
1379         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1380 ], [
1381         AC_MSG_RESULT(no)
1382         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1383 ])
1384
1385 dnl ***********************************
1386 dnl *** Checks for signals
1387 dnl ***********************************
1388 AC_CHECK_HEADERS(signal.h)
1389 AC_CHECK_FUNCS(sigaction)
1390 AC_CHECK_FUNCS(kill)
1391 AC_CHECK_FUNCS(signal)
1392
1393 # signal() is declared inline in Android headers
1394 # so we need to workaround it by overriding the check.
1395 if test x$platform_android = xyes; then
1396         AC_DEFINE(HAVE_SIGNAL,1)
1397 fi
1398
1399 if test x$host_win32 = xno; then
1400
1401         dnl hires monotonic clock support
1402         AC_SEARCH_LIBS(clock_gettime, rt)
1403         AC_CHECK_FUNCS(clock_nanosleep)
1404
1405         dnl dynamic loader support
1406         AC_CHECK_FUNC(dlopen, DL_LIB="",
1407                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1408         )
1409         if test x$dl_support = xno; then
1410                 AC_MSG_WARN([No dynamic loading support available])
1411         else
1412                 LIBS="$LIBS $DL_LIB"
1413                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1414                 dnl from glib's configure.ac
1415                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1416                         mono_cv_uscore,[
1417                         AC_TRY_RUN([#include <dlfcn.h>
1418                         int mono_underscore_test (void) { return 42; }
1419                         int main() {
1420                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1421                           handle = dlopen ((void*)0, 0);
1422                           if (handle) {
1423                             f1 = dlsym (handle, "mono_underscore_test");
1424                             f2 = dlsym (handle, "_mono_underscore_test");
1425                           } return (!f2 || f1);
1426                         }],
1427                                 [mono_cv_uscore=yes],
1428                                 [mono_cv_uscore=no],
1429                         [])
1430                 ])
1431                 if test "x$mono_cv_uscore" = "xyes"; then
1432                         MONO_DL_NEED_USCORE=1
1433                 else
1434                         MONO_DL_NEED_USCORE=0
1435                 fi
1436                 AC_SUBST(MONO_DL_NEED_USCORE)
1437                 AC_CHECK_FUNC(dlerror)
1438         fi
1439
1440         dnl ******************************************************************
1441         dnl *** Checks for the IKVM JNI interface library                  ***
1442         dnl ******************************************************************
1443         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])
1444
1445         ikvm_native_dir=
1446         if test x$with_ikvm_native = xyes; then
1447                 ikvm_native_dir=ikvm-native
1448                 jdk_headers_found="IKVM Native"
1449         fi
1450
1451         AC_SUBST(ikvm_native_dir)
1452
1453         AC_CHECK_HEADERS(execinfo.h)
1454
1455         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1456
1457         AC_CHECK_FUNCS(getgrgid_r)
1458         AC_CHECK_FUNCS(getgrnam_r)
1459         AC_CHECK_FUNCS(getresuid)
1460         AC_CHECK_FUNCS(setresuid)
1461         AC_CHECK_FUNCS(kqueue)
1462         AC_CHECK_FUNCS(backtrace_symbols)
1463         AC_CHECK_FUNCS(mkstemp)
1464         AC_CHECK_FUNCS(mmap)
1465         AC_CHECK_FUNCS(madvise)
1466         AC_CHECK_FUNCS(getrusage)
1467         AC_CHECK_FUNCS(getpriority)
1468         AC_CHECK_FUNCS(setpriority)
1469         AC_CHECK_FUNCS(dl_iterate_phdr)
1470         AC_CHECK_FUNCS(dladdr)
1471         AC_CHECK_FUNCS(sysconf)
1472         AC_CHECK_FUNCS(getrlimit)
1473         AC_CHECK_FUNCS(prctl)
1474
1475         AC_CHECK_FUNCS(sched_getaffinity)
1476         AC_CHECK_FUNCS(sched_setaffinity)
1477         AC_CHECK_FUNCS(sched_getcpu)
1478
1479         if test x$platform_android != xyes; then
1480                 AC_CHECK_FUNCS(getpwnam_r)
1481                 AC_CHECK_FUNCS(getpwuid_r)
1482         fi
1483
1484         dnl ****************************************************************
1485         dnl *** Check for sched_setaffinity from glibc versions before   ***
1486         dnl *** 2.3.4. The older versions of the function only take 2    ***
1487         dnl *** parameters, not 3.                                       ***
1488         dnl ***                                                          ***
1489         dnl *** Because the interface change was not made in a minor     ***
1490         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1491         dnl *** won't always indicate the interface sched_affinity has.  ***
1492         dnl ****************************************************************
1493         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1494         AC_TRY_COMPILE([#include <sched.h>], [
1495             int mask = 1; 
1496             sched_setaffinity(0, &mask);
1497                         return 0;
1498         ], [
1499                 # Yes, we have it...
1500                 AC_MSG_RESULT(yes)
1501                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1502         ], [
1503                 # We have the new, three-parameter version
1504                 AC_MSG_RESULT(no)
1505         ])
1506         AC_TRY_COMPILE([#include <sched.h>], [
1507              CPU_COUNT((void *) 0);
1508         ], [
1509                 AC_MSG_RESULT(yes)
1510                 AC_DEFINE(GLIBC_HAS_CPU_COUNT, 1, [GLIBC has CPU_COUNT macro in sched.h])
1511         ], [
1512                 # We have the new, three-parameter version
1513                 AC_MSG_RESULT(no)
1514         ])
1515
1516         dnl ******************************************************************
1517         dnl *** Check for large file support                               ***
1518         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1519         dnl ******************************************************************
1520         
1521         # Check that off_t can represent 2**63 - 1 correctly, working around
1522         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1523         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1524         large_offt=no
1525         AC_DEFUN([LARGE_FILES], [
1526                 large_CPPFLAGS=$CPPFLAGS
1527                 CPPFLAGS="$CPPFLAGS $1"
1528                 AC_TRY_COMPILE([
1529                         #include <sys/types.h>
1530                         #include <limits.h>
1531                 ], [
1532                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1533                         #define COMPILE_TIME_ASSERT(pred) \
1534                                 switch(0){case 0:case pred:;}
1535                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1536                 ], [
1537                         AC_MSG_RESULT(ok)
1538                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1539                         large_CPPFLAGS="$large_CPPFLAGS $1"
1540                         large_offt=yes
1541                 ], [
1542                         AC_MSG_RESULT(no)
1543                 ])
1544                 CPPFLAGS=$large_CPPFLAGS
1545         ])
1546
1547         AC_MSG_CHECKING(if off_t is 64 bits wide)
1548         LARGE_FILES("")
1549         if test $large_offt = no; then
1550                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1551                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1552         fi
1553         if test $large_offt = no; then
1554                 AC_MSG_WARN([No 64 bit file size support available])
1555         fi
1556         
1557         dnl *****************************
1558         dnl *** Checks for libsocket  ***
1559         dnl *****************************
1560         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1561
1562         case "$host" in
1563                 *-*-*freebsd*)
1564                         dnl *****************************
1565                         dnl *** Checks for libinotify ***
1566                         dnl *****************************
1567                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1568         esac
1569
1570         dnl *******************************
1571         dnl *** Checks for MSG_NOSIGNAL ***
1572         dnl *******************************
1573         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1574         AC_TRY_COMPILE([#include <sys/socket.h>], [
1575                 int f = MSG_NOSIGNAL;
1576         ], [
1577                 # Yes, we have it...
1578                 AC_MSG_RESULT(yes)
1579                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1580         ], [
1581                 # We'll have to use signals
1582                 AC_MSG_RESULT(no)
1583         ])
1584
1585         dnl *****************************
1586         dnl *** Checks for IPPROTO_IP ***
1587         dnl *****************************
1588         AC_MSG_CHECKING(for IPPROTO_IP)
1589         AC_TRY_COMPILE([#include <netinet/in.h>], [
1590                 int level = IPPROTO_IP;
1591         ], [
1592                 # Yes, we have it...
1593                 AC_MSG_RESULT(yes)
1594                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1595         ], [
1596                 # We'll have to use getprotobyname
1597                 AC_MSG_RESULT(no)
1598         ])
1599
1600         dnl *******************************
1601         dnl *** Checks for IPPROTO_IPV6 ***
1602         dnl *******************************
1603         AC_MSG_CHECKING(for IPPROTO_IPV6)
1604         AC_TRY_COMPILE([#include <netinet/in.h>], [
1605                 int level = IPPROTO_IPV6;
1606         ], [
1607                 # Yes, we have it...
1608                 AC_MSG_RESULT(yes)
1609                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1610         ], [
1611                 # We'll have to use getprotobyname
1612                 AC_MSG_RESULT(no)
1613         ])
1614
1615         dnl ******************************
1616         dnl *** Checks for IPPROTO_TCP ***
1617         dnl ******************************
1618         AC_MSG_CHECKING(for IPPROTO_TCP)
1619         AC_TRY_COMPILE([#include <netinet/in.h>], [
1620                 int level = IPPROTO_TCP;
1621         ], [
1622                 # Yes, we have it...
1623                 AC_MSG_RESULT(yes)
1624                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1625         ], [
1626                 # We'll have to use getprotobyname
1627                 AC_MSG_RESULT(no)
1628         ])
1629
1630         dnl *****************************
1631         dnl *** Checks for SOL_IP     ***
1632         dnl *****************************
1633         AC_MSG_CHECKING(for SOL_IP)
1634         AC_TRY_COMPILE([#include <netdb.h>], [
1635                 int level = SOL_IP;
1636         ], [
1637                 # Yes, we have it...
1638                 AC_MSG_RESULT(yes)
1639                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1640         ], [
1641                 # We'll have to use getprotobyname
1642                 AC_MSG_RESULT(no)
1643         ])
1644
1645         dnl *****************************
1646         dnl *** Checks for SOL_IPV6     ***
1647         dnl *****************************
1648         AC_MSG_CHECKING(for SOL_IPV6)
1649         AC_TRY_COMPILE([#include <netdb.h>], [
1650                 int level = SOL_IPV6;
1651         ], [
1652                 # Yes, we have it...
1653                 AC_MSG_RESULT(yes)
1654                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1655         ], [
1656                 # We'll have to use getprotobyname
1657                 AC_MSG_RESULT(no)
1658         ])
1659
1660         dnl *****************************
1661         dnl *** Checks for SOL_TCP    ***
1662         dnl *****************************
1663         AC_MSG_CHECKING(for SOL_TCP)
1664         AC_TRY_COMPILE([#include <netdb.h>], [
1665                 int level = SOL_TCP;
1666         ], [
1667                 # Yes, we have it...
1668                 AC_MSG_RESULT(yes)
1669                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1670         ], [
1671                 # We'll have to use getprotobyname
1672                 AC_MSG_RESULT(no)
1673         ])
1674
1675         dnl *****************************
1676         dnl *** Checks for IP_PKTINFO ***
1677         dnl *****************************
1678         AC_MSG_CHECKING(for IP_PKTINFO)
1679         AC_TRY_COMPILE([#include <linux/in.h>], [
1680                 int level = IP_PKTINFO;
1681         ], [
1682                 # Yes, we have it...
1683                 AC_MSG_RESULT(yes)
1684                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1685         ], [
1686                 AC_MSG_RESULT(no)
1687         ])
1688
1689         dnl *****************************
1690         dnl *** Checks for IPV6_PKTINFO ***
1691         dnl *****************************
1692         AC_MSG_CHECKING(for IPV6_PKTINFO)
1693         AC_TRY_COMPILE([#include <netdb.h>], [
1694                 int level = IPV6_PKTINFO;
1695         ], [
1696                 # Yes, we have it...
1697                 AC_MSG_RESULT(yes)
1698                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1699         ], [
1700                 AC_MSG_RESULT(no)
1701         ])
1702
1703         dnl **********************************
1704         dnl *** Checks for IP_DONTFRAG     ***
1705         dnl **********************************
1706         AC_MSG_CHECKING(for IP_DONTFRAG)
1707         AC_TRY_COMPILE([#include <netinet/in.h>], [
1708                 int level = IP_DONTFRAG;
1709         ], [
1710                 # Yes, we have it...
1711                 AC_MSG_RESULT(yes)
1712                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1713         ], [
1714                 AC_MSG_RESULT(no)
1715         ])
1716
1717         dnl **********************************
1718         dnl *** Checks for IP_DONTFRAGMENT ***
1719         dnl **********************************
1720         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1721         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1722                 int level = IP_DONTFRAGMENT;
1723         ], [
1724                 # Yes, we have it...
1725                 AC_MSG_RESULT(yes)
1726                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1727         ], [
1728                 AC_MSG_RESULT(no)
1729         ])
1730
1731         dnl **********************************
1732         dnl *** Checks for IP_MTU_DISCOVER ***
1733         dnl **********************************
1734         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1735         AC_TRY_COMPILE([#include <linux/in.h>], [
1736                 int level = IP_MTU_DISCOVER;
1737         ], [
1738                 # Yes, we have it...
1739                 AC_MSG_RESULT(yes)
1740                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1741         ], [
1742                 AC_MSG_RESULT(no)
1743         ])
1744
1745         dnl **********************************
1746         dnl *** Checks for  IP_PMTUDISC_DO ***
1747         dnl **********************************
1748         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1749         AC_TRY_COMPILE([#include <linux/in.h>], [
1750                 int level = IP_PMTUDISC_DO;
1751         ], [
1752                 # Yes, we have it...
1753                 AC_MSG_RESULT(yes)
1754                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1755         ], [
1756                 AC_MSG_RESULT(no)
1757         ])
1758
1759         dnl *********************************
1760         dnl *** Check for struct ip_mreqn ***
1761         dnl *********************************
1762         AC_MSG_CHECKING(for struct ip_mreqn)
1763         AC_TRY_COMPILE([#include <netinet/in.h>], [
1764                 struct ip_mreqn mreq;
1765                 mreq.imr_address.s_addr = 0;
1766         ], [
1767                 # Yes, we have it...
1768                 AC_MSG_RESULT(yes)
1769                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1770         ], [
1771                 # We'll just have to try and use struct ip_mreq
1772                 AC_MSG_RESULT(no)
1773                 AC_MSG_CHECKING(for struct ip_mreq)
1774                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1775                         struct ip_mreq mreq;
1776                         mreq.imr_interface.s_addr = 0;
1777                 ], [
1778                         # Yes, we have it...
1779                         AC_MSG_RESULT(yes)
1780                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1781                 ], [
1782                         # No multicast support
1783                         AC_MSG_RESULT(no)
1784                 ])
1785         ])
1786         
1787         dnl **********************************
1788         dnl *** Check for getaddrinfo ***
1789         dnl **********************************
1790         AC_MSG_CHECKING(for getaddrinfo)
1791                 AC_TRY_LINK([
1792                 #include <stdio.h>
1793                 #include <netdb.h>
1794         ], [
1795                 getaddrinfo(NULL,NULL,NULL,NULL);
1796         ], [
1797                 # Yes, we have it...
1798                 AC_MSG_RESULT(yes)
1799                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1800         ], [
1801                 AC_MSG_RESULT(no)
1802         ])
1803
1804         dnl **********************************
1805         dnl *** Check for gethostbyname2_r ***
1806         dnl **********************************
1807         AC_MSG_CHECKING(for gethostbyname2_r)
1808                 AC_TRY_LINK([
1809                 #include <stdio.h>
1810                 #include <netdb.h>
1811         ], [
1812
1813                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1814         ], [
1815                 # Yes, we have it...
1816                 AC_MSG_RESULT(yes)
1817                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1818         ], [
1819                 AC_MSG_RESULT(no)
1820         ])
1821
1822         dnl **********************************
1823         dnl *** Check for gethostbyname2 ***
1824         dnl **********************************
1825         AC_MSG_CHECKING(for gethostbyname2)
1826                 AC_TRY_LINK([
1827                 #include <stdio.h>
1828                 #include <netdb.h>
1829         ], [
1830                 gethostbyname2(NULL,0);
1831         ], [
1832                 # Yes, we have it...
1833                 AC_MSG_RESULT(yes)
1834                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1835         ], [
1836                 AC_MSG_RESULT(no)
1837         ])
1838
1839         dnl **********************************
1840         dnl *** Check for gethostbyname ***
1841         dnl **********************************
1842         AC_MSG_CHECKING(for gethostbyname)
1843                 AC_TRY_LINK([
1844                 #include <stdio.h>
1845                 #include <netdb.h>
1846         ], [
1847                 gethostbyname(NULL);
1848         ], [
1849                 # Yes, we have it...
1850                 AC_MSG_RESULT(yes)
1851                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1852         ], [
1853                 AC_MSG_RESULT(no)
1854         ])
1855
1856         dnl **********************************
1857         dnl *** Check for getprotobyname ***
1858         dnl **********************************
1859         AC_MSG_CHECKING(for getprotobyname)
1860                 AC_TRY_LINK([
1861                 #include <stdio.h>
1862                 #include <netdb.h>
1863         ], [
1864                 getprotobyname(NULL);
1865         ], [
1866                 # Yes, we have it...
1867                 AC_MSG_RESULT(yes)
1868                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1869         ], [
1870                 AC_MSG_RESULT(no)
1871         ])
1872
1873         dnl **********************************
1874         dnl *** Check for getnameinfo ***
1875         dnl **********************************
1876         AC_MSG_CHECKING(for getnameinfo)
1877                 AC_TRY_LINK([
1878                 #include <stdio.h>
1879                 #include <netdb.h>
1880         ], [
1881                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1882         ], [
1883                 # Yes, we have it...
1884                 AC_MSG_RESULT(yes)
1885                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1886         ], [
1887                 AC_MSG_RESULT(no)
1888         ])
1889
1890
1891         dnl **********************************
1892         dnl *** Check for inet_ntop ***
1893         dnl **********************************
1894         AC_MSG_CHECKING(for inet_ntop)
1895                 AC_TRY_LINK([
1896                 #include <stdio.h>
1897                 #include <arpa/inet.h>
1898         ], [
1899                 inet_ntop (0, NULL, NULL, 0);
1900         ], [
1901                 # Yes, we have it...
1902                 AC_MSG_RESULT(yes)
1903                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1904         ], [
1905                 AC_MSG_RESULT(no)
1906         ])
1907
1908         dnl *****************************
1909         dnl *** Checks for libnsl     ***
1910         dnl *****************************
1911         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1912
1913         AC_CHECK_FUNCS(inet_pton inet_aton)
1914
1915         dnl *****************************
1916         dnl *** Checks for libxnet    ***
1917         dnl *****************************
1918         case "${host}" in
1919                 *solaris* )
1920                         AC_MSG_CHECKING(for Solaris XPG4 support)
1921                         if test -f /usr/lib/libxnet.so; then
1922                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1923                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1924                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1925                                 LIBS="$LIBS -lxnet"
1926                                 AC_MSG_RESULT(yes)
1927                         else
1928                                 AC_MSG_RESULT(no)
1929                         fi
1930
1931                         if test "$GCC" = "yes"; then
1932                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1933                         fi
1934                 ;;
1935         esac
1936
1937         dnl *****************************
1938         dnl *** Checks for libpthread ***
1939         dnl *****************************
1940 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1941 # and libpthread does not exist
1942 #
1943         case "${host}" in
1944                 *-*-*haiku*)
1945                         dnl Haiku has pthread in libroot (libc equiv)
1946                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS")
1947                 ;;
1948                 *-*-*freebsd*)
1949                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1950                 ;;
1951                 *-*-*openbsd*)
1952                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1953                 ;;
1954                 *)
1955                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1956                 ;;
1957         esac
1958         AC_CHECK_HEADERS(pthread.h)
1959         AC_CHECK_HEADERS(pthread_np.h)
1960         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1961         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np pthread_cond_timedwait_relative_np)
1962         AC_CHECK_FUNCS(pthread_kill)
1963         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1964         AC_TRY_COMPILE([ #include <pthread.h>], [
1965                 pthread_mutexattr_t attr;
1966                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1967         ], [
1968                 AC_MSG_RESULT(ok)
1969         ], [
1970                 AC_MSG_RESULT(no)
1971                 AC_ERROR(Posix system lacks support for recursive mutexes)
1972         ])
1973         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1974         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1975         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1976
1977         dnl **********************************
1978         dnl *** Check for mincore ***
1979         dnl **********************************
1980         AC_MSG_CHECKING(for mincore)
1981                 AC_TRY_LINK([
1982                 #include <stdio.h>
1983                 #include <sys/types.h>
1984                 #include <sys/mman.h>
1985         ], [
1986                 mincore(NULL, 0, NULL);
1987         ], [
1988                 # Yes, we have it...
1989                 AC_MSG_RESULT(yes)
1990                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1991         ], [
1992                 AC_MSG_RESULT(no)
1993         ])
1994
1995         dnl ***********************************
1996         dnl *** Checks for working __thread ***
1997         dnl ***********************************
1998         AC_MSG_CHECKING(for working __thread)
1999         if test "x$with_tls" != "x__thread"; then
2000                 AC_MSG_RESULT(disabled)
2001         elif test "x$cross_compiling" = "xyes"; then
2002                 AC_MSG_RESULT(cross compiling, assuming yes)
2003         else
2004                 AC_TRY_RUN([
2005                         #if defined(__APPLE__) && defined(__clang__)
2006                         #error "__thread does not currently work with clang on Mac OS X"
2007                         #endif
2008                         
2009                         #include <pthread.h>
2010                         __thread int i;
2011                         static int res1, res2;
2012
2013                         void thread_main (void *arg)
2014                         {
2015                                 i = arg;
2016                                 sleep (1);
2017                                 if (arg == 1)
2018                                         res1 = (i == arg);
2019                                 else
2020                                         res2 = (i == arg);
2021                         }
2022
2023                         int main () {
2024                                 pthread_t t1, t2;
2025
2026                                 i = 5;
2027
2028                                 pthread_create (&t1, NULL, thread_main, 1);
2029                                 pthread_create (&t2, NULL, thread_main, 2);
2030
2031                                 pthread_join (t1, NULL);
2032                                 pthread_join (t2, NULL);
2033
2034                                 return !(res1 + res2 == 2);
2035                         }
2036                 ], [
2037                                 AC_MSG_RESULT(yes)
2038                 ], [
2039                                 AC_MSG_RESULT(no)
2040                                 with_tls=pthread
2041                 ])
2042         fi
2043
2044         dnl **************************************
2045         dnl *** Checks for working sigaltstack ***
2046         dnl **************************************
2047         AC_MSG_CHECKING(for working sigaltstack)
2048         if test "x$with_sigaltstack" != "xyes"; then
2049                 AC_MSG_RESULT(disabled)
2050         elif test "x$cross_compiling" = "xyes"; then
2051                 AC_MSG_RESULT(cross compiling, assuming yes)
2052         else
2053                 AC_TRY_RUN([
2054                         #include <stdio.h>
2055                         #include <stdlib.h>
2056                         #include <unistd.h>
2057                         #include <signal.h>
2058                         #include <pthread.h>
2059                         #include <sys/wait.h>
2060                         #if defined(__FreeBSD__) || defined(__NetBSD__)
2061                         #define SA_STACK SA_ONSTACK
2062                         #endif
2063                         static void
2064                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
2065                         {
2066                                 exit (0);
2067                         }
2068
2069                         volatile char*__ptr = NULL;
2070                         static void *
2071                         loop (void *ignored)
2072                         {
2073                                 *__ptr = 0;
2074                                 return NULL;
2075                         }
2076
2077                         static void
2078                         child ()
2079                         {
2080                                 struct sigaction sa;
2081                         #ifdef __APPLE__
2082                                 stack_t sas;
2083                         #else
2084                                 struct sigaltstack sas;
2085                         #endif
2086                                 pthread_t id;
2087                                 pthread_attr_t attr;
2088
2089                                 sa.sa_sigaction = sigsegv_signal_handler;
2090                                 sigemptyset (&sa.sa_mask);
2091                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
2092                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
2093                                         perror ("sigaction");
2094                                         return;
2095                                 }
2096
2097                                 /* x86 darwin deliver segfaults using SIGBUS */
2098                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
2099                                         perror ("sigaction");
2100                                         return;
2101                                 }
2102                                 sas.ss_sp = malloc (SIGSTKSZ);
2103                                 sas.ss_size = SIGSTKSZ;
2104                                 sas.ss_flags = 0;
2105                                 if (sigaltstack (&sas, NULL) == -1) {
2106                                         perror ("sigaltstack");
2107                                         return;
2108                                 }
2109
2110                                 pthread_attr_init (&attr);
2111                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2112                                         printf ("pthread_create\n");
2113                                         return;
2114                                 }
2115
2116                                 sleep (100);
2117                         }
2118
2119                         int
2120                         main ()
2121                         {
2122                                 pid_t son;
2123                                 int status;
2124                                 int i;
2125
2126                                 son = fork ();
2127                                 if (son == -1) {
2128                                         return 1;
2129                                 }
2130
2131                                 if (son == 0) {
2132                                         child ();
2133                                         return 0;
2134                                 }
2135
2136                                 for (i = 0; i < 300; ++i) {
2137                                         waitpid (son, &status, WNOHANG);
2138                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2139                                                 return 0;
2140                                         usleep (10000);
2141                                 }
2142
2143                                 kill (son, SIGKILL);
2144                                 return 1;
2145                         }
2146
2147                 ], [
2148                                 AC_MSG_RESULT(yes)
2149                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2150                 ], [
2151                                 with_sigaltstack=no
2152                                 AC_MSG_RESULT(no)
2153                 ])
2154         fi
2155
2156         dnl ********************************
2157         dnl *** Checks for semaphore lib ***
2158         dnl ********************************
2159         # 'Real Time' functions on Solaris
2160         # posix4 on Solaris 2.6
2161         # pthread (first!) on Linux
2162         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
2163
2164         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
2165         AC_CHECK_FUNCS(shm_open)
2166
2167         dnl ********************************
2168         dnl *** Checks for timezone stuff **
2169         dnl ********************************
2170         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2171                 AC_TRY_COMPILE([
2172                         #include <time.h>
2173                         ], [
2174                         struct tm tm;
2175                         tm.tm_gmtoff = 1;
2176                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2177         if test $ac_cv_struct_tm_gmtoff = yes; then
2178                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2179         else
2180                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2181                         AC_TRY_COMPILE([
2182                                 #include <time.h>
2183                         ], [
2184                                 timezone = 1;
2185                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2186                 if test $ac_cv_var_timezone = yes; then
2187                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2188                 else
2189                         AC_ERROR(unable to find a way to determine timezone)
2190                 fi
2191         fi
2192
2193         dnl *********************************
2194         dnl *** Checks for math functions ***
2195         dnl *********************************
2196         AC_SEARCH_LIBS(sqrtf, m)
2197         if test "x$has_broken_apple_cpp" != "xyes"; then
2198                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2199                         AC_TRY_LINK([#include <math.h>], 
2200                         [ finite(0.0); ], 
2201                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2202                         AC_MSG_RESULT(no)))
2203         fi
2204         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2205                 AC_TRY_LINK([#include <math.h>], 
2206                 [ isfinite(0.0); ], 
2207                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2208                 AC_MSG_RESULT(no)))
2209
2210         dnl ****************************************************************
2211         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2212         dnl *** have it in the library (duh))                            ***
2213         dnl ****************************************************************
2214         AC_CHECK_FUNCS(poll)
2215
2216         dnl *************************
2217         dnl *** Check for signbit ***
2218         dnl *************************
2219         AC_MSG_CHECKING(for signbit)
2220         AC_TRY_LINK([#include <math.h>], [
2221                 int s = signbit(1.0);
2222         ], [
2223                 AC_MSG_RESULT(yes)
2224                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2225         ], [
2226                 AC_MSG_RESULT(no)
2227         ]) 
2228
2229         dnl **********************************
2230         dnl *** epoll                      ***
2231         dnl **********************************
2232         AC_CHECK_HEADERS(sys/epoll.h)
2233         haveepoll=no
2234         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2235         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2236                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2237         fi
2238
2239         havekqueue=no
2240
2241         AC_CHECK_HEADERS(sys/event.h)
2242         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2243
2244         dnl **************************************
2245         dnl * Darwin has a race that prevents us from using reliably:
2246         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2247         dnl * Since kqueue is mostly used for scaling large web servers, 
2248         dnl * and very few folks run Mono on large web servers on OSX, falling
2249         dnl * back 
2250         dnl **************************************
2251         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2252                 if test "x$host_darwin" = "xno"; then
2253                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2254                 fi
2255         fi
2256
2257         dnl ******************************
2258         dnl *** Checks for SIOCGIFCONF ***
2259         dnl ******************************
2260         AC_CHECK_HEADERS(sys/ioctl.h)
2261         AC_CHECK_HEADERS(net/if.h, [], [],
2262            [
2263            #ifdef HAVE_SYS_TYPES_H
2264            # include <sys/types.h>
2265            #endif
2266            #ifdef HAVE_SYS_SOCKET_H
2267            # include <sys/socket.h>
2268            #endif
2269            ])
2270         AC_MSG_CHECKING(for ifreq)
2271         AC_TRY_COMPILE([
2272                 #include <stdio.h>
2273                 #include <sys/ioctl.h>
2274                 #include <net/if.h>
2275                 ], [
2276                 struct ifconf ifc;
2277                 struct ifreq *ifr;
2278                 void *x;
2279                 ifc.ifc_len = 0;
2280                 ifc.ifc_buf = NULL;
2281                 x = (void *) &ifr->ifr_addr;
2282                 ],[
2283                         AC_MSG_RESULT(yes)
2284                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2285                 ], [
2286                         AC_MSG_RESULT(no)
2287                 ])
2288         dnl **********************************
2289         dnl ***     Checks for sin_len     ***
2290         dnl **********************************
2291         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2292         AC_TRY_COMPILE([
2293                 #include <netinet/in.h>
2294                 ], [
2295                 struct sockaddr_in saddr;
2296                 saddr.sin_len = sizeof (saddr);
2297                 ],[
2298                         AC_MSG_RESULT(yes)
2299                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2300                 ], [
2301                         AC_MSG_RESULT(no)
2302                 ])      
2303         dnl **********************************
2304         dnl ***    Checks for sin6_len     ***
2305         dnl **********************************
2306         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2307         AC_TRY_COMPILE([
2308                 #include <netinet/in.h>
2309                 ], [
2310                 struct sockaddr_in6 saddr6;
2311                 saddr6.sin6_len = sizeof (saddr6);
2312                 ],[
2313                         AC_MSG_RESULT(yes)
2314                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2315                 ], [
2316                         AC_MSG_RESULT(no)
2317                 ])
2318         dnl **********************************
2319         dnl *** Check for getifaddrs       ***
2320         dnl **********************************
2321         AC_MSG_CHECKING(for getifaddrs)
2322                 AC_TRY_LINK([
2323                 #include <stdio.h>
2324                 #include <sys/types.h>
2325                 #include <sys/socket.h>
2326                 #include <ifaddrs.h>
2327         ], [
2328                 getifaddrs(NULL);
2329         ], [
2330                 # Yes, we have it...
2331                 AC_MSG_RESULT(yes)
2332                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2333         ], [
2334                 AC_MSG_RESULT(no)
2335         ])
2336         dnl **********************************
2337         dnl *** Check for if_nametoindex   ***
2338         dnl **********************************
2339         AC_MSG_CHECKING(for if_nametoindex)
2340                 AC_TRY_LINK([
2341                 #include <stdio.h>
2342                 #include <sys/types.h>
2343                 #include <sys/socket.h>
2344                 #include <net/if.h>
2345         ], [
2346                 if_nametoindex(NULL);
2347         ], [
2348                 # Yes, we have it...
2349                 AC_MSG_RESULT(yes)
2350                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2351         ], [
2352                 AC_MSG_RESULT(no)
2353         ])
2354                         
2355         dnl **********************************
2356         dnl *** Checks for proclib         ***
2357         dnl **********************************
2358         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.)])
2359         dnl **********************************
2360         dnl *** Checks for MonoPosixHelper ***
2361         dnl **********************************
2362         AC_CHECK_HEADERS(checklist.h)
2363         AC_CHECK_HEADERS(pathconf.h)
2364         AC_CHECK_HEADERS(fstab.h)
2365         AC_CHECK_HEADERS(attr/xattr.h)
2366         AC_CHECK_HEADERS(sys/extattr.h)
2367         AC_CHECK_HEADERS(sys/sendfile.h)
2368         AC_CHECK_HEADERS(sys/statvfs.h)
2369         AC_CHECK_HEADERS(sys/statfs.h)
2370         AC_CHECK_HEADERS(sys/vfstab.h)
2371         AC_CHECK_HEADERS(sys/xattr.h)
2372         AC_CHECK_HEADERS(sys/mman.h)
2373         AC_CHECK_HEADERS(sys/param.h)
2374         AC_CHECK_HEADERS(sys/mount.h, [], [],
2375                 [
2376                 #ifdef HAVE_SYS_PARAM_H
2377                 # include <sys/param.h>
2378                 #endif
2379                 ])
2380         AC_CHECK_HEADERS(sys/mount.h)
2381         AC_CHECK_FUNCS(confstr)
2382         AC_CHECK_FUNCS(seekdir telldir)
2383         AC_CHECK_FUNCS(getdomainname)
2384         AC_CHECK_FUNCS(setdomainname)
2385         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2386         AC_CHECK_FUNCS(setgroups)
2387         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2388         AC_CHECK_FUNCS(getfsstat)
2389         AC_CHECK_FUNCS(lutimes futimes)
2390         AC_CHECK_FUNCS(mremap)
2391         AC_CHECK_FUNCS(remap_file_pages)
2392         AC_CHECK_FUNCS(posix_fadvise)
2393         AC_CHECK_FUNCS(posix_fallocate)
2394         AC_CHECK_FUNCS(posix_madvise)
2395         AC_CHECK_FUNCS(vsnprintf)
2396         AC_CHECK_FUNCS(sendfile)
2397         AC_CHECK_FUNCS(gethostid sethostid)
2398         AC_CHECK_FUNCS(sethostname)
2399         AC_CHECK_FUNCS(statfs)
2400         AC_CHECK_FUNCS(fstatfs)
2401         AC_CHECK_FUNCS(statvfs)
2402         AC_CHECK_FUNCS(fstatvfs)
2403         AC_CHECK_FUNCS(stime)
2404         AC_CHECK_FUNCS(strerror_r)
2405         AC_CHECK_FUNCS(ttyname_r)
2406         AC_CHECK_FUNCS(psignal)
2407         AC_CHECK_FUNCS(getlogin_r)
2408         AC_CHECK_FUNCS(lockf)
2409         AC_CHECK_FUNCS(swab)
2410         AC_CHECK_FUNCS(setusershell endusershell)
2411         AC_CHECK_FUNCS(futimens utimensat)
2412         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2413         AC_CHECK_FUNCS(readv writev preadv pwritev)
2414         AC_CHECK_FUNCS(setpgid)
2415         AC_CHECK_FUNCS(system)
2416         AC_CHECK_FUNCS(fork execv execve)
2417         AC_CHECK_FUNCS(accept4)
2418         AC_CHECK_FUNCS(localtime_r)
2419         AC_CHECK_FUNCS(mkdtemp)
2420         AC_CHECK_SIZEOF(size_t)
2421         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2422                 [#include <sys/types.h>
2423                  #include <sys/stat.h>
2424                  #include <unistd.h>])
2425         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2426                 [#include <sys/types.h>
2427                  #include <sys/stat.h>
2428                  #include <unistd.h>])
2429         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2430                 [#include <sys/time.h>])
2431         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2432                 [#include <sys/socket.h>])
2433         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2434                 [#include <unistd.h>
2435                  #include <fcntl.h>])
2436         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2437                 [#include <sys/uio.h>])
2438         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2439                 [#include <sys/socket.h>])
2440         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2441                 [#include <sys/poll.h>])
2442         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2443                 [#include <sys/socket.h>])
2444         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2445                 [#include <sys/socket.h>])
2446         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2447                 [#include <netinet/in.h>])
2448         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2449                 [#include <netinet/in.h>])
2450         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2451                 [#include <sys/un.h>])
2452         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2453                 [#include <sys/types.h>
2454                  #include <sys/stat.h>
2455                  #include <unistd.h>])
2456         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2457                 [#include <time.h>])
2458         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2459                 [#include <sys/time.h>
2460                  #include <sys/types.h>
2461                  #include <utime.h>])
2462         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2463                 [#include <sys/time.h>])
2464         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2465                 [#include <sys/types.h>
2466                  #include <utime.h>])
2467         AC_CHECK_MEMBERS(
2468                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2469                 [#include <sys/types.h>
2470                  #include <dirent.h>])
2471         AC_CHECK_MEMBERS(
2472                 [struct passwd.pw_gecos],,, 
2473                 [#include <sys/types.h>
2474                  #include <pwd.h>])
2475         AC_CHECK_MEMBERS(
2476                 [struct statfs.f_flags],,, 
2477                 [#include <sys/types.h>
2478                  #include <sys/vfs.h>])
2479         AC_CHECK_MEMBERS(
2480                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2481                 [#include <sys/types.h>
2482                  #include <sys/stat.h>
2483                  #include <unistd.h>])
2484
2485         dnl Favour xattr through glibc, but use libattr if we have to
2486         AC_CHECK_FUNC(lsetxattr, ,
2487                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2488         )
2489         AC_SUBST(XATTR_LIB)
2490
2491         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2492         AC_CHECK_MEMBERS(
2493                 [struct kinfo_proc.kp_proc],,, 
2494                 [#include <sys/types.h>
2495                  #include <sys/param.h>
2496                  #include <sys/sysctl.h>
2497                  #include <sys/proc.h>
2498                  ])
2499
2500         dnl *********************************
2501         dnl *** Checks for Windows compilation ***
2502         dnl *********************************
2503         AC_CHECK_HEADERS(sys/time.h)
2504         AC_CHECK_HEADERS(sys/param.h)
2505         AC_CHECK_HEADERS(dirent.h)
2506
2507         dnl ******************************************
2508         dnl *** Checks for OSX and iOS compilation ***
2509         dnl ******************************************
2510         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2511
2512         dnl *********************************
2513         dnl *** Check for Console 2.0 I/O ***
2514         dnl *********************************
2515         AC_CHECK_HEADERS([curses.h])
2516         AC_CHECK_HEADERS([term.h], [], [],
2517         [#if HAVE_CURSES_H
2518          #include <curses.h>
2519          #endif
2520         ])
2521         AC_CHECK_HEADERS([termios.h])
2522 else
2523         dnl *********************************
2524         dnl *** Checks for Windows compilation ***
2525         dnl *********************************
2526         AC_CHECK_HEADERS(winternl.h)
2527
2528         jdk_headers_found=no
2529         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2530         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2531         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2532         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2533         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2534         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2535         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2536
2537         dnl *********************************
2538         dnl *** Check for struct ip_mreqn ***
2539         dnl *********************************
2540         AC_MSG_CHECKING(for struct ip_mreqn)
2541         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2542                 struct ip_mreqn mreq;
2543                 mreq.imr_address.s_addr = 0;
2544         ], [
2545                 # Yes, we have it...
2546                 AC_MSG_RESULT(yes)
2547                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2548         ], [
2549                 # We'll just have to try and use struct ip_mreq
2550                 AC_MSG_RESULT(no)
2551                 AC_MSG_CHECKING(for struct ip_mreq)
2552                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2553                         struct ip_mreq mreq;
2554                         mreq.imr_interface.s_addr = 0;
2555                 ], [
2556                         # Yes, we have it...
2557                         AC_MSG_RESULT(yes)
2558                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2559                 ], [
2560                         # No multicast support
2561                         AC_MSG_RESULT(no)
2562                 ])
2563         ])
2564
2565         dnl **********************************
2566         dnl *** Check for getaddrinfo ***
2567         dnl **********************************
2568         AC_MSG_CHECKING(for getaddrinfo)
2569                 AC_TRY_LINK([
2570                 #include <stdio.h>
2571                 #include <winsock2.h>
2572                 #include <ws2tcpip.h>
2573         ], [
2574                 getaddrinfo(NULL,NULL,NULL,NULL);
2575         ], [
2576                 # Yes, we have it...
2577                 AC_MSG_RESULT(yes)
2578                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2579         ], [
2580                 AC_MSG_RESULT(no)
2581         ])
2582
2583         dnl **********************************
2584         dnl *** Check for gethostbyname ***
2585         dnl **********************************
2586         AC_MSG_CHECKING(for gethostbyname)
2587                 AC_TRY_LINK([
2588                 #include <stdio.h>
2589                 #include <winsock2.h>
2590                 #include <ws2tcpip.h>
2591         ], [
2592                 gethostbyname(NULL);
2593         ], [
2594                 # Yes, we have it...
2595                 AC_MSG_RESULT(yes)
2596                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2597         ], [
2598                 AC_MSG_RESULT(no)
2599         ])
2600
2601         dnl **********************************
2602         dnl *** Check for getprotobyname ***
2603         dnl **********************************
2604         AC_MSG_CHECKING(for getprotobyname)
2605                 AC_TRY_LINK([
2606                 #include <stdio.h>
2607                 #include <winsock2.h>
2608                 #include <ws2tcpip.h>
2609         ], [
2610                 getprotobyname(NULL);
2611         ], [
2612                 # Yes, we have it...
2613                 AC_MSG_RESULT(yes)
2614                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2615         ], [
2616                 AC_MSG_RESULT(no)
2617         ])
2618
2619         dnl **********************************
2620         dnl *** Check for getnameinfo ***
2621         dnl **********************************
2622         AC_MSG_CHECKING(for getnameinfo)
2623                 AC_TRY_LINK([
2624                 #include <stdio.h>
2625                 #include <winsock2.h>
2626                 #include <ws2tcpip.h>
2627         ], [
2628                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2629         ], [
2630                 # Yes, we have it...
2631                 AC_MSG_RESULT(yes)
2632                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2633         ], [
2634                 AC_MSG_RESULT(no)
2635         ])
2636
2637         dnl **********************************
2638         dnl *** Check for inet_ntop ***
2639         dnl **********************************
2640         AC_MSG_CHECKING(for inet_ntop)
2641                 AC_TRY_LINK([
2642                 #include <stdio.h>
2643                 #include <winsock2.h>
2644                 #include <ws2tcpip.h>
2645         ], [
2646                 inet_ntop (0, NULL, NULL, 0);
2647         ], [
2648                 # Yes, we have it...
2649                 AC_MSG_RESULT(yes)
2650                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2651         ], [
2652                 AC_MSG_RESULT(no)
2653         ])
2654
2655         dnl **********************************
2656         dnl *** Check for inet_pton ***
2657         dnl **********************************
2658         AC_MSG_CHECKING(for inet_pton)
2659                 AC_TRY_LINK([
2660                 #include <stdio.h>
2661                 #include <winsock2.h>
2662                 #include <ws2tcpip.h>
2663         ], [
2664                 #ifndef inet_pton
2665                 (void) inet_pton;
2666                 #endif
2667                 inet_pton (0, NULL, NULL);
2668         ], [
2669                 # Yes, we have it...
2670                 AC_MSG_RESULT(yes)
2671                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2672         ], [
2673                 AC_MSG_RESULT(no)
2674         ])
2675
2676         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2677         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2678         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2679         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2680         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2681         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2682         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2683 fi
2684
2685 dnl socklen_t check
2686 AC_MSG_CHECKING(for socklen_t)
2687 AC_TRY_COMPILE([
2688 #include <sys/types.h>
2689 #include <sys/socket.h>
2690 ],[
2691   socklen_t foo;
2692 ],[
2693 ac_cv_c_socklen_t=yes
2694         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2695         AC_MSG_RESULT(yes)
2696 ],[
2697         AC_MSG_RESULT(no)
2698 ])
2699
2700 AC_MSG_CHECKING(for array element initializer support)
2701 AC_TRY_COMPILE([#include <sys/socket.h>], [
2702         const int array[] = {[1] = 2,};
2703 ], [
2704         # Yes, we have it...
2705         AC_MSG_RESULT(yes)
2706         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2707 ], [
2708         # We'll have to use signals
2709         AC_MSG_RESULT(no)
2710 ])
2711
2712 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2713         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2714         AC_TRY_LINK([#include <math.h>], 
2715         [ static void *p = &trunc; ],
2716         [
2717                 AC_DEFINE(HAVE_TRUNC) 
2718                 AC_MSG_RESULT(yes)
2719                 ac_cv_trunc=yes
2720         ],
2721         AC_MSG_RESULT(no)))
2722
2723 if test "x$ac_cv_truncl" != "xyes"; then
2724    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2725 fi
2726
2727 AC_CHECK_FUNCS(execvp)
2728
2729 dnl ****************************
2730 dnl *** Look for /dev/random ***
2731 dnl ****************************
2732
2733 AC_MSG_CHECKING([if usage of random device is requested])
2734 AC_ARG_ENABLE(dev-random,
2735 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2736 try_dev_random=$enableval, try_dev_random=yes)
2737
2738 AC_MSG_RESULT($try_dev_random)
2739
2740 case "{$build}" in
2741     *-openbsd*)
2742     NAME_DEV_RANDOM="/dev/srandom"
2743     ;;
2744
2745 dnl Win32 does not have /dev/random, they have their own method...
2746
2747     *-mingw*|*-*-cygwin*)
2748     ac_cv_have_dev_random=no
2749     ;;
2750
2751 dnl Everywhere else, it's /dev/random
2752
2753     *)
2754     NAME_DEV_RANDOM="/dev/random"
2755     ;;
2756 esac
2757
2758 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2759
2760 dnl Now check if the device actually exists
2761
2762 if test "x$try_dev_random" = "xyes"; then
2763     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2764     [if test -r "$NAME_DEV_RANDOM" ; then
2765         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2766     if test "x$ac_cv_have_dev_random" = "xyes"; then
2767         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2768     fi
2769 else
2770     AC_MSG_CHECKING(for random device)
2771     ac_cv_have_dev_random=no
2772     AC_MSG_RESULT(has been disabled)
2773 fi
2774
2775 if test "x$host_win32" = "xyes"; then
2776     AC_DEFINE(HAVE_CRYPT_RNG)
2777 fi
2778
2779 if test "x$ac_cv_have_dev_random" = "xno" \
2780     && test "x$host_win32" = "xno"; then
2781     AC_MSG_WARN([[
2782 ***
2783 *** A system-provided entropy source was not found on this system.
2784 *** Because of this, the System.Security.Cryptography random number generator
2785 *** will throw a NotImplemented exception.
2786 ***
2787 *** If you are seeing this message, and you know your system DOES have an
2788 *** entropy collection in place, please contact <crichton@gimp.org> and
2789 *** provide information about the system and how to access the random device.
2790 ***
2791 *** Otherwise you can install either egd or prngd and set the environment
2792 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2793 ***]])
2794 fi
2795
2796 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2797
2798 AC_MSG_CHECKING([if big-arrays are to be enabled])
2799 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2800 if test "x$enable_big_arrays" = "xyes" ; then
2801     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2802         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2803     else
2804         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2805     fi
2806 fi
2807 AC_MSG_RESULT($enable_big_arrays)
2808
2809 dnl **************
2810 dnl *** DTRACE ***
2811 dnl **************
2812
2813 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2814
2815 if test "x$enable_dtrace" = "xyes"; then
2816    if test "x$has_dtrace" = "xno"; then
2817           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2818    fi
2819    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2820    if test "x$DTRACE" = "xno"; then
2821           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2822           enable_dtrace=no
2823    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2824           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2825           enable_dtrace=no
2826    fi
2827 fi
2828
2829 dtrace_g=no
2830 if test "x$enable_dtrace" = "xyes"; then
2831         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2832         DTRACEFLAGS=
2833         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2834                 case "$host" in
2835                         powerpc-*-darwin*)
2836                         DTRACEFLAGS="-arch ppc64"
2837                         ;;
2838                         i*86-*-darwin*)
2839                         DTRACEFLAGS="-arch x86_64"
2840                         ;;
2841                         *)
2842                         DTRACEFLAGS=-64
2843                         ;;
2844                 esac
2845         else
2846                 case "$host" in
2847                         powerpc-*-darwin*)
2848                         DTRACEFLAGS="-arch ppc"
2849                         ;;
2850                         i*86-*-darwin*)
2851                         DTRACEFLAGS="-arch i386"
2852                         ;;
2853                         *)
2854                         DTRACEFLAGS=-32
2855                         ;;
2856                 esac
2857         fi
2858         AC_SUBST(DTRACEFLAGS)
2859         case "$host" in
2860                 *-*-solaris*)
2861                 dtrace_g=yes
2862                 ;;
2863         esac
2864         AC_CHECK_HEADERS([sys/sdt.h])
2865 fi
2866 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2867 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2868
2869 dnl **************************
2870 dnl *** AOT cross offsets  ***
2871 dnl **************************
2872
2873 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2874     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2875
2876 dnl **************
2877 dnl ***  LLVM  ***
2878 dnl **************
2879
2880 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2881 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2882 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2883 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2884
2885 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2886
2887 if test "x$enable_llvm" = "xdefault"; then
2888    enable_llvm=$enable_llvm_default
2889 fi
2890
2891 if test "x$enable_llvm" = "xyes"; then
2892    if test "x$with_llvm" != "x"; then
2893           LLVM_CONFIG=$with_llvm/bin/llvm-config
2894           if test x$host_win32 = xyes; then
2895                 LLVM_CONFIG=$LLVM_CONFIG.exe
2896           fi
2897           if test ! -x $LLVM_CONFIG; then
2898                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2899       fi
2900    else
2901       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2902       if test "x$LLVM_CONFIG" = "xno"; then
2903              AC_MSG_ERROR([llvm-config not found.])
2904       fi
2905    fi
2906
2907    llvm_codegen="x86codegen"
2908    case "$target" in
2909    arm*)
2910                 llvm_codegen="armcodegen"
2911                 ;;
2912    esac
2913
2914    if test "x$host_win32" = "xno"; then
2915
2916    # Should be something like '2.6' or '2.7svn'
2917    llvm_version=`$LLVM_CONFIG --version`
2918    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2919    AC_MSG_CHECKING(LLVM version)
2920    AC_MSG_RESULT($llvm_version $llvm_api_version)
2921    if echo $llvm_version | grep -q 'mono'; then
2922           if test "x$enable_llvm_version_check" = "xyes"; then
2923                  if test "$llvm_version" != "$expected_llvm_version"; then
2924                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2925                  fi
2926           fi
2927    else
2928           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.])
2929    fi
2930
2931    # The output of --cflags seems to include optimizations flags too
2932    if test $llvm_api_version -gt 100; then
2933           # The --cflags argument includes all kinds of warnings -pendantic etc.
2934           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2935           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2936    else
2937           LLVM_CFLAGS=`$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'`
2938       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2939    fi
2940    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2941    # from LLVM classes.
2942    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2943    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2944    # This might include empty lines
2945    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2946    llvm_jit_supported=yes
2947    llvm_jit_libs="jit mcjit $llvm_codegen"
2948    if test "x$host" != "x$target"; then
2949       # No need for jit libs
2950           llvm_jit_supported=no
2951       llvm_jit_libs=""
2952    elif test $llvm_api_version -gt 100; then
2953       llvm_jit_libs="orcjit $llvm_codegen"
2954    fi
2955    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2956    if test "x$LLVM_LIBS" = "x"; then
2957           echo "$LLVM_CONFIG --libs failed."
2958           exit 1
2959    fi
2960    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2961    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2962    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2963       LLVM_LIBS="$LLVM_LIBS -lc++"
2964    else
2965       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2966    fi
2967
2968    expected_llvm_version="3.4svn-mono-mono/e656cac"
2969
2970    else
2971        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2972        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2973        LLVM_LDFLAGS="-L$with_llvm/lib"
2974        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2975        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2976          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2977          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2978          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2979          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2980          -lLLVMAnalysis -lLLVMTarget \
2981          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2982          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2983          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2984          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2985          -lLLVMSupport -lstdc++"
2986        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2987
2988        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2989        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2990    fi  
2991
2992    if test "x$llvm_api_version" = "x"; then
2993           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2994           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2995    else
2996           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2997           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2998    fi   
2999
3000    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraries])
3001
3002    AC_SUBST(LLVM_CFLAGS)
3003    AC_SUBST(LLVM_CXXFLAGS)
3004    AC_SUBST(LLVM_LIBS)
3005    AC_SUBST(LLVM_LDFLAGS)
3006    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
3007 fi
3008
3009 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
3010 if test "x$enable_loadedllvm" = "xyes"; then
3011    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
3012 fi
3013 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
3014
3015 if test "x$enable_llvm" = "xyes"; then
3016    enable_llvm_runtime=yes
3017 fi
3018 if test "x$enable_llvm_runtime" = "xyes"; then
3019    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
3020 fi
3021 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
3022
3023 TARGET="unknown"
3024 ACCESS_UNALIGNED="yes"
3025
3026 LIBC="libc.so.6"
3027 INTL="libc.so.6"
3028 SQLITE="libsqlite.so.0"
3029 SQLITE3="libsqlite3.so.0"
3030 X11="libX11.so"
3031 GDKX11="libgdk-x11-2.0.so.0"
3032 GTKX11="libgtk-x11-2.0.so.0"
3033 XINERAMA="libXinerama.so.1"
3034
3035 sizeof_register="SIZEOF_VOID_P"
3036
3037 jit_wanted=true
3038 boehm_supported=true
3039 BTLS_SUPPORTED=no
3040 BTLS_PLATFORM=
3041 case "$host" in
3042         mips*)
3043                 TARGET=MIPS;
3044                 arch_target=mips;
3045                 with_tls=pthread;
3046                 ACCESS_UNALIGNED="no"
3047
3048                 AC_MSG_CHECKING(for mips n32)
3049                 AC_TRY_COMPILE([],[
3050                 #if _MIPS_SIM != _ABIN32
3051                 #error Not mips n32
3052                 #endif
3053                 return 0;
3054                 ],[
3055                 AC_MSG_RESULT(yes)
3056                 sizeof_register=8
3057                 ],[
3058                 AC_MSG_RESULT(no)
3059                 ])
3060                 ;;
3061         i*86-*-*)
3062                 TARGET=X86;
3063                 arch_target=x86;
3064                 case $host_os in
3065                   solaris*)
3066                         LIBC="libc.so"
3067                         INTL="libintl.so"
3068                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3069                                 TARGET=AMD64
3070                                 arch_target=amd64
3071                         fi
3072
3073                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
3074                         # int astruct __attribute__ ((visibility ("hidden")));
3075                         # void foo ()
3076                         # {
3077                         #       void *p = &astruct;
3078                         # }
3079                         # gcc -fPIC --shared -o libfoo.so foo.c
3080                         # yields:
3081                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3082                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3083                         have_visibility_hidden=no
3084                         ;;
3085                   mingw*|cygwin*)
3086                         have_visibility_hidden=no                 
3087                         ;;
3088                   haiku*)
3089                         LIBC=libroot.so
3090                         ;;
3091                   linux*)
3092                         AOT_SUPPORTED="yes"
3093                         BTLS_SUPPORTED=yes
3094                         BTLS_PLATFORM=i386
3095                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3096                         ;;
3097                   darwin*)
3098                         AOT_SUPPORTED="yes"
3099                         BTLS_SUPPORTED=yes
3100                         BTLS_PLATFORM=i386
3101                         ;;
3102                   openbsd*|freebsd*|kfreebsd-gnu*)
3103                         ;;
3104                 esac
3105                 ;;
3106         x86_64-*-* | amd64-*-*)
3107                 TARGET=AMD64;
3108                 arch_target=amd64;
3109                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3110                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3111                         sizeof_register=8
3112                 fi
3113                 case $host_os in
3114                   linux*)
3115                         AOT_SUPPORTED="yes"
3116                         BTLS_SUPPORTED=yes
3117                         BTLS_PLATFORM=x86_64
3118                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3119                         ;;
3120                   darwin*)
3121                         AOT_SUPPORTED="yes"
3122                         BTLS_SUPPORTED=yes
3123                         BTLS_PLATFORM=x86_64
3124                         boehm_supported=false
3125                         ;;
3126                   openbsd*|freebsd*|kfreebsd-gnu*)
3127                         ;;
3128                   mingw*)
3129                         ;;
3130                 esac
3131                 ;;
3132         sparc*-*-*)
3133                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3134                    TARGET=SPARC64
3135                 else
3136                         TARGET=SPARC
3137                 fi
3138                 arch_target=sparc;
3139                 ACCESS_UNALIGNED="no"
3140                 case $host_os in
3141                   linux*) ;;
3142                   *)
3143                         LIBC="libc.so"
3144                         INTL="libintl.so"
3145                 esac
3146                 if test x"$GCC" = xyes; then
3147                         # We don't support v8 cpus
3148                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3149                 fi
3150                 if test x"$AR" = xfalse; then
3151                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3152                 fi
3153                 ;;
3154         *-mingw*|*-*-cygwin*)
3155                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3156                 have_visibility_hidden=no
3157                 INTL="intl"
3158                 ;;
3159         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3160         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3161                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3162                         TARGET=POWERPC64;
3163                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3164                         CFLAGS="$CFLAGS -mminimal-toc"
3165                 else
3166                         TARGET=POWERPC;
3167                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3168                 fi
3169                 arch_target=ppc;
3170                 case $host_os in
3171                   linux*|darwin*)
3172                         ;;
3173                 esac
3174                 ;;
3175         armv7k-*-darwin*)
3176                 TARGET=ARM;
3177                 TARGET_SYS=WATCHOS
3178                 arch_target=arm;
3179                 arm_fpu=VFP_HARD
3180                 ACCESS_UNALIGNED="no"
3181                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3182                 ;;
3183
3184         arm*-darwin*)
3185                 TARGET=ARM;
3186                 arch_target=arm;
3187                 ACCESS_UNALIGNED="no"
3188                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3189                 ;;
3190         arm*-linux*)
3191                 TARGET=ARM;
3192                 arch_target=arm;
3193                 ACCESS_UNALIGNED="no"
3194                 AOT_SUPPORTED="yes"
3195                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3196                 BTLS_SUPPORTED=yes
3197                 BTLS_PLATFORM=arm
3198                 AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3199                 case "$target" in
3200                 arm*-linux*-gnueabi)
3201                         BTLS_PLATFORM=armsoft
3202                         ;;
3203                 esac
3204                 ;;
3205         arm*-netbsd*-eabi*)
3206                 TARGET=ARM;
3207                 arch_target=arm;
3208                 ACCESS_UNALIGNED="no"
3209                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3210                 ;;
3211         aarch64-*)
3212                 # https://lkml.org/lkml/2012/7/15/133
3213                 TARGET=ARM64
3214                 arch_target=arm64
3215                 boehm_supported=false
3216                 AOT_SUPPORTED="yes"
3217                 BTLS_SUPPORTED=yes
3218                 BTLS_PLATFORM=aarch64
3219                 AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3220                 ;;
3221         s390x-*-linux*)
3222                 TARGET=S390X;
3223                 arch_target=s390x;
3224                 ACCESS_UNALIGNED="yes"
3225                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3226                 ;;
3227 esac
3228
3229 HOST=$TARGET
3230
3231 if test "x$host" != "x$target"; then
3232    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3233    enable_mcs_build=no
3234    BTLS_SUPPORTED=no
3235    case "$target" in
3236    arm*-darwin*)
3237                 TARGET=ARM;
3238                 arch_target=arm;
3239                 ACCESS_UNALIGNED="no"
3240                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3241                 # Can't use tls, since it depends on the runtime detection of tls offsets
3242                 # in mono-compiler.h
3243                 with_tls=pthread
3244                 case "$target" in
3245                 armv7k-*)
3246                         arm_fpu=VFP_HARD
3247                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3248                         ;;
3249                 esac            
3250                 ;;
3251    powerpc64-ps3-linux-gnu)
3252                 TARGET=POWERPC64
3253                 arch_target=powerpc64
3254                 AC_DEFINE(TARGET_PS3, 1, [...])
3255                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3256                 # uses this define
3257                 AC_DEFINE(__mono_ppc64__, 1, [...])
3258                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3259                 sizeof_register=8
3260                 target_byte_order=G_BIG_ENDIAN
3261                 ;;
3262    powerpc64-xbox360-linux-gnu)
3263                 TARGET=POWERPC64
3264                 arch_target=powerpc64
3265                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3266                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3267                 # uses this define
3268                 sizeof_register=8
3269                 target_byte_order=G_BIG_ENDIAN
3270                 ;;
3271    arm*-linux-*)
3272                 TARGET=ARM;
3273                 arch_target=arm;
3274                 AC_DEFINE(TARGET_ARM, 1, [...])
3275                 ACCESS_UNALIGNED="no"
3276                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3277                 # Can't use tls, since it depends on the runtime detection of tls offsets
3278                 # in mono-compiler.h
3279                 with_tls=pthread
3280                 target_mach=no
3281                 case "$target" in
3282                 armv7l-unknown-linux-gnueabi*)
3283                         # TEGRA
3284                         CPPFLAGS="$CPPFLAGS"
3285                         ;;
3286                 armv5-*-linux-androideabi*)
3287                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3288                         CPPFLAGS="$CPPFLAGS"
3289                         ;;
3290                 *-linux-androideabi*)
3291                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3292                         CPPFLAGS="$CPPFLAGS"
3293                         ;;
3294                 esac
3295                 ;;
3296    arm*-netbsd*-eabi*)
3297                 TARGET=ARM;
3298                 arch_target=arm;
3299                 AC_DEFINE(TARGET_ARM, 1, [...])
3300                 ACCESS_UNALIGNED="no"
3301                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3302                 # Can't use tls, since it depends on the runtime detection of tls offsets
3303                 # in mono-compiler.h
3304                 with_tls=pthread
3305                 target_mach=no
3306                 ;;
3307    i686*-linux-*)
3308                 TARGET=X86;
3309                 arch_target=x86;
3310                 AC_DEFINE(TARGET_X86, 1, [...])
3311                 CPPFLAGS="$CPPFLAGS"
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
3317                 case "$target" in
3318                 *-linux-android*)
3319                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3320                         ;;
3321                 esac
3322                 ;;
3323    x86_64*-linux-*)
3324                 TARGET=AMD64;
3325                 arch_target=amd64;
3326                 AC_DEFINE(TARGET_AMD64, 1, [...])
3327                 CPPFLAGS="$CPPFLAGS"
3328                 # Can't use tls, since it depends on the runtime detection of tls offsets
3329                 # in mono-compiler.h
3330                 with_tls=pthread
3331                 target_mach=no
3332
3333                 case "$target" in
3334                 *-linux-android*)
3335                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3336                         ;;
3337                 esac
3338                 ;;
3339    x86_64-ps4-freebsd)
3340                 TARGET=AMD64;
3341                 arch_target=amd64;
3342                 AC_DEFINE(TARGET_AMD64, 1, [...])
3343                 AC_DEFINE(TARGET_PS4, 1, [...])
3344                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3345                 CPPFLAGS="$CPPFLAGS"
3346                 # Can't use tls, since it depends on the runtime detection of tls offsets
3347                 # in mono-compiler.h
3348                 with_tls=pthread
3349                 target_mach=no
3350                 target_win32=no
3351                 ;;
3352    aarch64*-linux-*)
3353                 TARGET=ARM64;
3354                 arch_target=arm64;
3355                 AC_DEFINE(TARGET_ARM64, 1, [...])
3356                 CPPFLAGS="$CPPFLAGS"
3357                 # Can't use tls, since it depends on the runtime detection of tls offsets
3358                 # in mono-compiler.h
3359                 with_tls=pthread
3360                 target_mach=no
3361                 case "$target" in
3362                 *-linux-android*)
3363                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3364                         ;;
3365                 esac
3366                 ;;
3367         aarch64-*)
3368                 TARGET=ARM64
3369                 ;;
3370         *)
3371                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3372         esac
3373 fi
3374
3375 case "$TARGET" in
3376 X86)
3377         AC_DEFINE(TARGET_X86, 1, [...])
3378         ;;
3379 AMD64)
3380         AC_DEFINE(TARGET_AMD64, 1, [...])
3381         ;;
3382 ARM)
3383         AC_DEFINE(TARGET_ARM, 1, [...])
3384         ;;
3385 ARM64)
3386         AC_DEFINE(TARGET_ARM64, 1, [...])
3387         ;;
3388 POWERPC)
3389         AC_DEFINE(TARGET_POWERPC, 1, [...])
3390         ;;
3391 POWERPC64)
3392         AC_DEFINE(TARGET_POWERPC, 1, [...])
3393         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3394         ;;
3395 S390X)
3396         AC_DEFINE(TARGET_S390X, 1, [...])
3397         ;;
3398 MIPS)
3399         AC_DEFINE(TARGET_MIPS, 1, [...])
3400         ;;
3401 SPARC)
3402         AC_DEFINE(TARGET_SPARC, 1, [...])
3403         ;;
3404 SPARC64)
3405         AC_DEFINE(TARGET_SPARC64, 1, [...])
3406         ;;
3407 esac
3408
3409 case "$HOST" in
3410 X86)
3411         AC_DEFINE(HOST_X86, 1, [...])
3412         ;;
3413 AMD64)
3414         AC_DEFINE(HOST_AMD64, 1, [...])
3415         ;;
3416 ARM)
3417         AC_DEFINE(HOST_ARM, 1, [...])
3418         ;;
3419 ARM64)
3420         AC_DEFINE(HOST_ARM64, 1, [...])
3421         ;;
3422 POWERPC)
3423         AC_DEFINE(HOST_POWERPC, 1, [...])
3424         ;;
3425 POWERPC64)
3426         AC_DEFINE(HOST_POWERPC, 1, [...])
3427         AC_DEFINE(HOST_POWERPC64, 1, [...])
3428         ;;
3429 S390X)
3430         AC_DEFINE(HOST_S390X, 1, [...])
3431         ;;
3432 MIPS)
3433         AC_DEFINE(HOST_MIPS, 1, [...])
3434         ;;
3435 SPARC)
3436         AC_DEFINE(HOST_SPARC, 1, [...])
3437         ;;
3438 SPARC64)
3439         AC_DEFINE(HOST_SPARC64, 1, [...])
3440         ;;
3441 esac
3442
3443
3444
3445 dnl *************
3446 dnl *** VTUNE ***
3447 dnl *************
3448
3449 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3450 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3451
3452 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3453
3454 if test "x$enable_vtune" = "xyes"; then
3455         if test "x$with_vtune" = "x"; then
3456                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3457         else
3458                 VTUNE_PATH=$with_vtune
3459         fi
3460         VTUNE_INCLUDE=$VTUNE_PATH/include
3461         case "$TARGET" in
3462         X86)
3463                 VTUNE_LIB=$VTUNE_PATH/lib32
3464                 ;;
3465         AMD64)
3466                 VTUNE_LIB=$VTUNE_PATH/lib64
3467                 ;;
3468         *)
3469                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3470                 ;;
3471         esac
3472         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3473                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3474         fi
3475         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3476                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3477         fi
3478
3479         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3480         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3481
3482         AC_SUBST(VTUNE_LIBS)
3483         AC_SUBST(VTUNE_CFLAGS)
3484 fi
3485 dnl Use GCC atomic ops if they work on the target.
3486 if test x$GCC = "xyes"; then
3487         case $TARGET in
3488         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3489                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3490                 ;;
3491         esac
3492 fi
3493
3494 if test "x$target_mach" = "xyes"; then
3495
3496    if test "x$TARGET_SYS" = "xWATCHOS"; then
3497           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3498           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3499           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3500           BTLS_SUPPORTED=no
3501    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3502           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3503           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3504           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3505           BTLS_SUPPORTED=no
3506    else
3507        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3508        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3509        #error fail this for ios
3510        #endif
3511        return 0;
3512        ], [
3513                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3514           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3515           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3516           target_osx=yes
3517        ], [
3518           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3519           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3520           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3521           BTLS_SUPPORTED=no
3522                   target_ios=yes
3523        ])
3524         fi
3525    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3526 fi
3527
3528 AM_CONDITIONAL(TARGET_OSX, test x$target_osx = xyes)
3529
3530 if test "x$sizeof_register" = "x4"; then
3531    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3532 elif test "x$sizeof_register" = "x8"; then
3533    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3534 else
3535    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3536 fi
3537
3538 AC_SUBST(SIZEOF_VOID_P,[$ac_cv_sizeof_void_p])
3539
3540 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3541    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3542 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3543    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3544 else
3545    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3546 fi
3547
3548 if test "x$have_visibility_hidden" = "xyes"; then
3549    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3550 fi
3551
3552 if test "x$have_deprecated" = "xyes"; then
3553    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3554 fi
3555
3556 AC_ARG_ENABLE(interpreter, [  --enable-interpreter       Enable Interpreter], enable_interpreter=$enableval, enable_interpreter=no)
3557
3558 if test "x$enable_interpreter" = "xyes"; then
3559         AC_DEFINE(ENABLE_INTERPRETER, 1, [Enable Interpreter])
3560 fi
3561
3562 AM_CONDITIONAL(ENABLE_INTERPRETER, [test x$enable_interpreter = xyes])
3563
3564 dnl 
3565 dnl Simple Generational checks (sgen)
3566 dnl
3567 SGEN_DEFINES=
3568 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3569 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3570 if test x$buildsgen = xyes; then
3571    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3572    SGEN_DEFINES="-DHAVE_SGEN_GC"
3573
3574         conc_gc_msg=""
3575    if test x$with_sgen_default_concurrent != xno; then
3576        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3577            conc_gc_msg=" (concurrent by default)"
3578    fi
3579
3580    if test "x$gc_msg" = "x"; then
3581       gc_msg="sgen$conc_gc_msg"
3582    else
3583       gc_msg="sgen$conc_gc_msg and $gc_msg"
3584    fi
3585 fi
3586 AC_SUBST(SGEN_DEFINES)
3587 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3588
3589 jit_status="Building and using the JIT"
3590
3591 libsuffix=".so"
3592
3593 case "$host" in
3594      *-*-darwin*)
3595         libsuffix=".dylib"
3596         LIBC="libc.dylib"
3597         INTL="libintl.dylib"
3598         SQLITE="libsqlite.0.dylib"
3599         SQLITE3="libsqlite3.0.dylib"
3600         X11="libX11.dylib"
3601         GDKX11="libgdk-x11-2.0.dylib"
3602         GTKX11="libgtk-x11-2.0.dylib"
3603         ;;
3604      *-*-*netbsd*)
3605         LIBC="libc.so"
3606         INTL="libintl.so"
3607         SQLITE="libsqlite.so"
3608         SQLITE3="libsqlite3.so"
3609         ;;
3610      *-*-kfreebsd*-gnu)
3611         LIBC="libc.so.0.1"
3612         INTL="libc.so.0.1"
3613         X11="libX11.so.6"
3614         ;;
3615     *-*-*freebsd*)
3616         LIBC="libc.so.7"
3617         INTL="libintl.so"
3618         SQLITE="libsqlite.so"
3619         SQLITE3="libsqlite3.so"
3620         ;;
3621     *-*-*openbsd*)
3622         LIBC="libc.so"
3623         INTL="libintl.so"
3624         SQLITE="libsqlite.so"
3625         SQLITE3="libsqlite3.so"
3626         ;;
3627     *-*-*linux*)
3628         AC_PATH_X
3629         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3630         AC_MSG_CHECKING(for the soname of libX11.so)
3631         for i in $x_libraries $dlsearch_path; do
3632                 for r in 4 5 6; do
3633                         if test -f $i/libX11.so.$r; then
3634                                 X11=libX11.so.$r
3635                                 AC_MSG_RESULT($X11)
3636                         fi
3637                 done
3638         done
3639         
3640         if test "x$X11" = "xlibX11.so"; then
3641                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3642                 X11=libX11.so.6
3643         fi
3644         ;;
3645 esac
3646
3647 AC_SUBST(libsuffix)
3648
3649 ######################################
3650 # EGLIB CHECKS
3651 ######################################
3652
3653 GNUC_PRETTY=
3654 GNUC_UNUSED=
3655 BREAKPOINT="G_STMT_START { raise (SIGTRAP); } G_STMT_END"
3656 if test x$GCC = xyes; then
3657    GNUC_UNUSED='__attribute__((__unused__))'
3658    GNUC_NORETURN='__attribute__((__noreturn__))'
3659    case $host_cpu in
3660      i*86|x86_64) BREAKPOINT="G_STMT_START { __asm__ (\"int \$03\"); } G_STMT_END" ;;
3661    esac
3662 fi
3663 AC_SUBST(GNUC_PRETTY)
3664 AC_SUBST(GNUC_UNUSED)
3665 AC_SUBST(GNUC_NORETURN)
3666 AC_SUBST(BREAKPOINT)
3667
3668 AC_C_BIGENDIAN([ORDER=G_BIG_ENDIAN],[ORDER=G_LITTLE_ENDIAN])
3669
3670 case $host in
3671 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*)
3672     PATHSEP='\\'
3673     SEARCHSEP=';'
3674     OS="WIN32"
3675     PIDTYPE='void *'
3676     ;;
3677 *)
3678     PATHSEP='/'
3679     SEARCHSEP=':'
3680     OS="UNIX"
3681     PIDTYPE='int'
3682     ;;
3683 esac
3684
3685 case $host in
3686         *-*-solaris*)
3687         CFLAGS="$CFLAGS -D_POSIX_PTHREAD_SEMANTICS"
3688         ;;
3689 esac
3690
3691 case $target in
3692 arm*-darwin*|aarch64*-*)
3693     CFLAGS="$CFLAGS -U_FORTIFY_SOURCE"
3694     ;;
3695 i*86-*-darwin*)
3696     ORDER=G_LITTLE_ENDIAN
3697     ;;
3698 *-*-haiku*)
3699     LDFLAGS="$LDFLAGS -ltextencoding"
3700     ;;
3701 *-*-openbsd*)
3702     CFLAGS="$CFLAGS -pthread"
3703     LDFLAGS="$LDFLAGS -pthread"
3704     ;;
3705 esac
3706
3707 AC_SUBST(ORDER)
3708 AC_SUBST(CFLAGS)
3709 AC_SUBST(PATHSEP)
3710 AC_SUBST(SEARCHSEP)
3711 AC_SUBST(OS)
3712 AC_SUBST(PIDTYPE)
3713
3714 # Defined for all targets/platforms using classic Windows API support.
3715 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
3716 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
3717
3718 AC_CHECK_SIZEOF(int)
3719 AC_CHECK_SIZEOF(void *)
3720 AC_CHECK_SIZEOF(long)
3721 AC_CHECK_SIZEOF(long long)
3722 AC_CHECK_FUNCS(strlcpy stpcpy strtok_r rewinddir vasprintf strerror_r)
3723 AC_CHECK_FUNCS(getrlimit)
3724 AC_CHECK_FUNCS(fork execv execve)
3725
3726 AC_ARG_WITH([overridable-allocators], [  --with-overridable-allocators  allow g_*alloc/g_free to call custom allocators set via g_mem_set_vtable])
3727
3728 if test x$with_overridable_allocators = xyes; then
3729         AC_DEFINE(ENABLE_OVERRIDABLE_ALLOCATORS,1,[Overridable allocator support enabled])
3730   AC_MSG_NOTICE([Overridable allocator support enabled])
3731 else
3732   AC_MSG_NOTICE([Overridable allocator support disabled])
3733 fi
3734
3735 #
3736 # Mono currently supports 10.6, but strndup is not available prior to 10.7; avoiding
3737 # the detection of strndup on OS X so Mono built on 10.7+ still runs on 10.6. This can be
3738 # removed once support for 10.6 is dropped.
3739 #
3740 # iOS detection of strndup and getpwuid_r is faulty for some reason so let's simply avoid it
3741 #
3742 if test x$target_osx = xyes; then
3743 AC_CHECK_FUNCS(getpwuid_r)
3744 elif test x$target_ios = xno; then
3745 AC_CHECK_FUNCS(strndup getpwuid_r)
3746 fi
3747
3748 AM_CONDITIONAL(NEED_VASPRINTF, test x$ac_cv_func_vasprintf = xno || test x$with_overridable_allocators = xyes)
3749 AM_ICONV()
3750 AC_SEARCH_LIBS(sqrtf, m)
3751
3752 # nanosleep may not be part of libc, also search it in other libraries
3753 AC_SEARCH_LIBS(nanosleep, rt)
3754
3755 AC_SEARCH_LIBS(dlopen, dl)
3756 old_ldflags="${LDFLAGS}"
3757 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
3758 AC_TRY_LINK(, [int i;], found_export_dynamic=yes, found_export_dynamic=no)
3759 if test $found_export_dynamic = no; then
3760         LDFLAGS="${old_ldflags}"
3761 fi
3762
3763 AC_MSG_CHECKING(for varargs macros)
3764 AC_TRY_COMPILE([],[
3765 int foo (int i, int j);
3766 #define bar(...) foo (1, __VA_ARGS__)
3767 void main () {
3768          bar (2);
3769 }
3770 ],have_iso_varargs=yes,have_iso_varargs=no)
3771 AC_MSG_RESULT($have_iso_varargs)
3772 G_HAVE_ISO_VARARGS=0
3773 if test "x$have_iso_varargs" = "xyes"; then
3774    G_HAVE_ISO_VARARGS=1
3775 fi
3776 AC_SUBST(G_HAVE_ISO_VARARGS)
3777
3778 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)
3779 AC_CHECK_LIB([iconv], [locale_charset],[],[AC_CHECK_LIB([charset], [locale_charset],[LIBS+="-liconv -lcharset"])])
3780 AC_CHECK_HEADER(alloca.h, [HAVE_ALLOCA_H=1], [HAVE_ALLOCA_H=0])
3781 AC_SUBST(HAVE_ALLOCA_H)
3782
3783 if test $ac_cv_sizeof_void_p = $ac_cv_sizeof_int; then
3784    GPOINTER_TO_INT="((gint) (ptr))"
3785    GPOINTER_TO_UINT="((guint) (ptr))"
3786    GINT_TO_POINTER="((gpointer) (v))"
3787    GUINT_TO_POINTER="((gpointer) (v))"
3788    GSIZE="int"
3789    GSIZE_FORMAT='"u"'
3790 elif test $ac_cv_sizeof_void_p = $ac_cv_sizeof_long; then
3791    GPOINTER_TO_INT="((gint)(long) (ptr))"
3792    GPOINTER_TO_UINT="((guint)(long) (ptr))"
3793    GINT_TO_POINTER="((gpointer)(glong) (v))"
3794    GUINT_TO_POINTER="((gpointer)(gulong) (v))"
3795    GSIZE="long"
3796    GSIZE_FORMAT='"lu"'
3797 elif test $ac_cv_sizeof_void_p = $ac_cv_sizeof_long_long; then
3798    GPOINTER_TO_INT="((gint)(long long) (ptr))"
3799    GPOINTER_TO_UINT="((guint)(unsigned long long) (ptr))"
3800    GINT_TO_POINTER="((gpointer)(long long) (v))"
3801    GUINT_TO_POINTER="((gpointer)(unsigned long long) (v))"
3802    GSIZE="long long"
3803    GSIZE_FORMAT='"I64u"'
3804 else
3805    AC_MSG_ERROR([unsupported pointer size])
3806 fi
3807
3808 AC_SUBST(GPOINTER_TO_INT)
3809 AC_SUBST(GPOINTER_TO_UINT)
3810 AC_SUBST(GINT_TO_POINTER)
3811 AC_SUBST(GUINT_TO_POINTER)
3812 AC_SUBST(GSIZE)
3813 AC_SUBST(GSIZE_FORMAT)
3814 AC_SUBST(G_GUINT64_FORMAT)
3815 AC_SUBST(G_GINT64_FORMAT)
3816 AC_SUBST(G_GUINT32_FORMAT)
3817 AC_SUBST(G_GINT32_FORMAT)
3818
3819 #
3820 # END OF EGLIB CHECKS
3821 #
3822
3823 AC_ARG_WITH([libgdiplus],
3824         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3825         [], [with_libgdiplus=installed])
3826
3827 # default install location
3828 libgdiplus_install_loc=libgdiplus${libsuffix}
3829 case "$host" in
3830     *-*-*linux*)
3831     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3832     ;;
3833 esac
3834
3835 case $with_libgdiplus in
3836     no|installed)
3837     libgdiplus_loc=
3838     ;;
3839
3840     yes|sibling)
3841     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3842     ;;
3843
3844     /*) # absolute path, assume it is an install location
3845     libgdiplus_loc=$with_libgdiplus
3846     libgdiplus_install_loc=$with_libgdiplus
3847     ;;
3848
3849     *)
3850     libgdiplus_loc=`pwd`/$with_libgdiplus
3851     ;;
3852 esac
3853 AC_SUBST([libgdiplus_loc])
3854 AC_SUBST([libgdiplus_install_loc])
3855
3856 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3857 if test "x$icall_symbol_map" = "xyes"; then
3858    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3859 fi
3860
3861 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3862 if test "x$icall_export" = "xyes"; then
3863    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3864 fi
3865
3866 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3867 if test "x$icall_tables" = "xno"; then
3868    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3869 fi
3870
3871 if test "x$with_tls" = "x__thread"; then
3872         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3873         # Pass the information to libgc
3874         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3875         AC_MSG_CHECKING(if the tls_model attribute is supported)
3876         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3877                 ], [
3878                         AC_MSG_RESULT(yes)
3879                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3880                 ], [
3881                         AC_MSG_RESULT(no)
3882         ])
3883 fi
3884
3885 if test ${TARGET} = ARM; then
3886         dnl ******************************************
3887         dnl *** Check to see what FPU is available ***
3888         dnl ******************************************
3889         AC_MSG_CHECKING(which FPU to use)
3890
3891         #
3892         # This is a bit tricky:
3893         #
3894         # if (__ARM_PCS_VFP) {
3895         #       /* mfloat-abi=hard == VFP with hard ABI */
3896         # } elif (!__SOFTFP__) {
3897         #       /* mfloat-abi=softfp == VFP with soft ABI */
3898         # } else {
3899         #       /* mfloat-abi=soft == no VFP */
3900         # }
3901         #
3902         # The exception is iOS (w/ GCC) where none of the above
3903         # are defined (but iOS always uses the 'softfp' ABI).
3904         #
3905         # No support for FPA.
3906         #
3907
3908         fpu=NONE
3909
3910         # iOS GCC always uses the 'softfp' ABI.
3911         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3912                 fpu=VFP
3913         fi
3914
3915         # Are we using the 'hard' ABI?
3916         if test x$fpu = xNONE; then
3917                 AC_TRY_COMPILE([], [
3918                         #ifndef __ARM_PCS_VFP
3919                         #error "Float ABI is not 'hard'"
3920                         #endif
3921                         return 0;
3922                 ], [
3923                         fpu=VFP_HARD
3924                 ], [
3925                         fpu=NONE
3926                 ])
3927         fi
3928
3929         # No 'hard' ABI. 'soft' or 'softfp'?
3930         if test x$fpu = xNONE; then
3931                 AC_TRY_COMPILE([], [
3932                         #ifdef __SOFTFP__
3933                         #error "Float ABI is not 'softfp'"
3934                         #endif
3935                         return 0;
3936                 ], [
3937                         fpu=VFP
3938                 ], [
3939                         fpu=NONE
3940                 ])
3941         fi
3942
3943         if test x$arm_fpu != x; then
3944            fpu=$arm_fpu
3945         fi
3946
3947         AC_MSG_RESULT($fpu)
3948         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3949         unset fpu
3950
3951         dnl *********************************************
3952         dnl *** Check which ARM version(s) we can use ***
3953         dnl *********************************************
3954         AC_MSG_CHECKING(which ARM version to use)
3955
3956         AC_TRY_COMPILE([], [
3957                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3958                 #error Not on ARM v5.
3959                 #endif
3960                 return 0;
3961         ], [
3962                 arm_v5=yes
3963
3964                 arm_ver=ARMv5
3965         ], [])
3966
3967         AC_TRY_COMPILE([], [
3968                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3969                 #error Not on ARM v6.
3970                 #endif
3971                 return 0;
3972         ], [
3973                 arm_v5=yes
3974                 arm_v6=yes
3975
3976                 arm_ver=ARMv6
3977         ], [])
3978
3979         AC_TRY_COMPILE([], [
3980                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3981                 #error Not on ARM v7.
3982                 #endif
3983                 return 0;
3984         ], [
3985                 arm_v5=yes
3986                 arm_v6=yes
3987                 arm_v7=yes
3988
3989                 arm_ver=ARMv7
3990         ], [])
3991
3992         AC_MSG_RESULT($arm_ver)
3993
3994         if test x$arm_v5 = xyes; then
3995                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3996                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3997         fi
3998
3999         if test x$arm_v6 = xyes; then
4000                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
4001                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
4002         fi
4003
4004         if test x$arm_v7 = xyes; then
4005                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
4006                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
4007         fi
4008 fi
4009
4010 if test ${TARGET} = unknown; then
4011         CPPFLAGS="$CPPFLAGS -DNO_PORT"
4012         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
4013 fi
4014
4015 if test "x$platform_android" = "xyes"; then
4016         case "x${TARGET}" in
4017         xARM)
4018                 case "x$arm_ver" in
4019                 xARMv5)
4020                         BTLS_SUPPORTED=yes
4021                         BTLS_PLATFORM=android-armv5
4022                         ;;
4023                 xARMv6)
4024                         BTLS_SUPPORTED=yes
4025                         BTLS_PLATFORM=android-armv6
4026                         ;;
4027                 xARMv7)
4028                         BTLS_SUPPORTED=yes
4029                         BTLS_PLATFORM=android-armv7
4030                         ;;
4031                 *)
4032                         BTLS_SUPPORTED=no
4033                         ;;
4034                 esac
4035                 ;;
4036         xARM64)
4037                 BTLS_SUPPORTED=yes
4038                 BTLS_PLATFORM=android-v8a
4039                 ;;
4040         xX86)
4041                 BTLS_SUPPORTED=yes
4042                 BTLS_PLATFORM=android-x86
4043                 ;;
4044         xAMD64)
4045                 BTLS_SUPPORTED=yes
4046                 BTLS_PLATFORM=android-x64
4047                 ;;
4048         *)
4049                 BTLS_SUPPORTED=no
4050                 ;;
4051         esac
4052 fi
4053
4054 if test ${ACCESS_UNALIGNED} = no; then
4055         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
4056 fi
4057
4058 if test x$host_darwin = xyes; then
4059         AC_MSG_CHECKING([for ranlib that supports -no_warning_for_no_symbols option])
4060         AS_IF(
4061                 [$RANLIB -no_warning_for_no_symbols 2>&1 | grep -q "unknown option"],
4062                 [AC_MSG_RESULT([no])],
4063                 [
4064                         # avoid AR calling ranlib, libtool calls it anyway. suppress no symbols warning.
4065                         AR_FLAGS="Scru"
4066                         RANLIB="$RANLIB -no_warning_for_no_symbols"
4067                         AC_MSG_RESULT([yes])
4068                 ]
4069         )
4070 fi
4071
4072 case "x$libgc" in
4073         xincluded)
4074                 # Pass CPPFLAGS to libgc configure
4075                 # We should use a separate variable for this to avoid passing useless and
4076                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
4077                 # This should be executed late so we pick up the final version of CPPFLAGS
4078                 # The problem with this approach, is that during a reconfigure, the main
4079                 # configure scripts gets invoked with these arguments, so we use separate
4080                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
4081                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
4082                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
4083                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
4084                 fi
4085                 # Don't pass -finstrument-for-thread-suspension in, 
4086                 # if these are instrumented it will be very bad news 
4087                 # (infinite recursion, undefined parking behavior, etc)
4088                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
4089                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
4090                 if test "x$support_boehm" = "xyes"; then
4091                         AC_CONFIG_SUBDIRS(libgc)
4092                 fi
4093                 ;;
4094 esac
4095
4096 MALLOC_MEMPOOLS=no
4097 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
4098         if test x$with_malloc_mempools = xyes; then
4099                 MALLOC_MEMPOOLS=yes
4100                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
4101         fi
4102 ])
4103
4104
4105 DISABLE_MCS_DOCS=default
4106 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
4107         if test x$with_mcs_docs != xyes; then
4108                 DISABLE_MCS_DOCS=yes
4109         fi
4110 ])
4111 if test -n "$INSTALL_4_x_TRUE"; then :
4112         DISABLE_MCS_DOCS=yes
4113 fi
4114 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
4115    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
4116 fi
4117
4118 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
4119         if test x$with_lazy_gc_thread_creation != xno ; then
4120                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
4121         fi
4122 ], [with_lazy_gc_thread_creation=no])
4123
4124 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])
4125
4126 if test x$with_cooperative_gc = xdefault; then
4127         with_cooperative_gc=$with_cooperative_gc_default
4128 fi
4129
4130 if test x$with_cooperative_gc != xno; then
4131         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
4132 fi
4133
4134 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
4135
4136 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],[
4137
4138         if test x$enable_checked_build != x ; then
4139                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
4140         fi
4141         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
4142                 eval "mono_checked_build_test_enable_$feature='yes'"
4143         done
4144
4145         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
4146                 eval "mono_checked_build_test_enable_gc='yes'"
4147                 eval "mono_checked_build_test_enable_metadata='yes'"
4148                 eval "mono_checked_build_test_enable_thread='yes'"
4149         fi
4150
4151         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
4152                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
4153         fi
4154
4155         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
4156                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
4157         fi
4158
4159         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
4160                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
4161         fi
4162
4163 ], [])
4164
4165 AC_CHECK_HEADER([malloc.h], 
4166                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
4167                         [Define to 1 if you have /usr/include/malloc.h.])],,)
4168
4169 if test x"$GCC" = xyes; then
4170         # Implicit function declarations are not 64 bit safe
4171         # Do this late, since this causes lots of configure tests to fail
4172         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
4173         # jay has a lot of implicit declarations
4174         JAY_CFLAGS="-Wno-implicit-function-declaration"
4175 fi
4176
4177 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
4178 # instead of libmono-static.a
4179 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
4180    LIBMONO_LA=libmini-static.la
4181 else
4182    if test x$buildsgen = xyes; then
4183       LIBMONO_LA=libmonosgen-$API_VER.la
4184    else
4185       LIBMONO_LA=libmonoboehm-$API_VER.la
4186    fi
4187 fi
4188 AC_SUBST(LIBMONO_LA)
4189
4190 dnl **************
4191 dnl ***  Btls  ***
4192 dnl **************
4193
4194 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
4195 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
4196
4197 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
4198
4199 btls_android=no
4200 if test "x$enable_btls" = "xyes"; then
4201         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
4202         if test "x$CMAKE" = "xno"; then
4203                 AC_MSG_ERROR("cmake not found")
4204         fi
4205
4206         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
4207         AC_SUBST(BTLS_ROOT)
4208
4209         btls_arch=
4210         btls_cflags=
4211         BTLS_CMAKE_ARGS=
4212
4213         case "$BTLS_PLATFORM" in
4214         i386)
4215                 btls_arch=i386
4216                 btls_cflags="-m32"
4217                 case $host_os in
4218                         darwin*)
4219                                 btls_cflags="$btls_cflags -arch i386"
4220                 esac
4221                 ;;
4222         x86_64)
4223                 btls_arch=x86_64
4224                 ;;
4225         arm)
4226                 btls_arch=arm
4227                 ;;
4228         armsoft)
4229                 btls_arch=arm
4230                 btls_cflags="-DOPENSSL_NO_ASM=1"
4231                 ;;
4232         aarch64)
4233                 btls_arch=aarch64
4234                 ;;
4235         android-armv5)
4236                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4237                 ;;
4238         android-armv6)
4239                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4240                 ;;
4241         android-armv7)
4242                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
4243                 ;;
4244         android-v8a)
4245                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
4246                 ;;
4247         android-x86)
4248                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
4249                 ;;
4250         android-x64)
4251                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
4252                 ;;
4253         *)
4254                 AC_MSG_ERROR(Invalid BTLS platform)
4255         esac
4256
4257         if test "x$platform_android" = "xyes"; then
4258                 btls_android=yes
4259                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
4260                 if test "x$with_btls_android_ndk" != "x"; then
4261                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
4262                 else
4263                         AC_MSG_ERROR([Need to pass the --with-btls-android-ndk argument when building with BTLS support on Android.])
4264                 fi
4265         fi
4266
4267         if test "x$btls_arch" != "x"; then
4268                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
4269         fi
4270
4271         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4272         AC_SUBST(BTLS_ARCH)
4273         AC_SUBST(BTLS_CFLAGS)
4274         AC_SUBST(BTLS_PLATFORM)
4275         AC_SUBST(BTLS_CMAKE_ARGS)
4276
4277         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4278 else
4279         enable_btls=no
4280 fi
4281
4282 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4283
4284 if test x$DISABLE_MCS_DOCS = xyes; then
4285    docs_dir=""
4286 else
4287    docs_dir=docs
4288 fi
4289 AC_SUBST(docs_dir)
4290
4291 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4292 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4293
4294 libmono_ldflags="$libmono_ldflags $LIBS"
4295
4296 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4297 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4298 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4299 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4300 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4301 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4302 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4303 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4304 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4305 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4306 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4307 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4308 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4309 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4310 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4311 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4312 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4313
4314 AC_SUBST(LIBC)
4315 AC_SUBST(INTL)
4316 AC_SUBST(SQLITE)
4317 AC_SUBST(SQLITE3)
4318 AC_SUBST(X11)
4319 AC_SUBST(GDKX11)
4320 AC_SUBST(GTKX11)
4321 AC_SUBST(XINERAMA)
4322 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4323 AC_SUBST(arch_target)
4324 AC_SUBST(CFLAGS)
4325 AC_SUBST(CPPFLAGS)
4326 AC_SUBST(LDFLAGS)
4327
4328 #This must always be defined when building the runtime
4329 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4330
4331 mono_build_root=`pwd`
4332 AC_SUBST(mono_build_root)
4333
4334 mono_runtime=mono/mini/mono
4335 AC_SUBST(mono_runtime)
4336
4337 CSC_LOCATION=`cd $srcdir && pwd`/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.2.3.1/tools/csc.exe
4338
4339 if test $csc_compiler = mcs; then
4340   CSC=$mcs_topdir/class/lib/build/mcs.exe
4341 else
4342   CSC=$CSC_LOCATION
4343 fi
4344
4345 mono_cfg_root=$mono_build_root/runtime
4346 if test x$host_win32 = xyes; then
4347   if test "x$cross_compiling" = "xno"; then
4348     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4349     CSC=`cygpath -m -a $CSC`
4350     CSC_LOCATION=`cygpath -m -a $CSC_LOCATION`
4351   else
4352     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4353   fi
4354 else
4355   mono_cfg_dir=$mono_cfg_root/etc
4356 fi
4357 AC_SUBST(mono_cfg_dir)
4358
4359 AC_SUBST(CSC)
4360
4361 AC_CONFIG_FILES([po/mcs/Makefile.in])
4362
4363 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4364 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4365
4366 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4367 [   depth=../../../..
4368     case $srcdir in
4369     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4370     .) reldir=$depth ;;
4371     *) reldir=$depth/$srcdir ;;
4372     esac
4373     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4374     cd runtime/etc/mono/1.0
4375     rm -f machine.config
4376     $LN_S $reldir/data/net_1_1/machine.config machine.config
4377     cd $depth
4378 ],[LN_S='$LN_S'])
4379
4380 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4381 [   depth=../../../..
4382     case $srcdir in
4383     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4384     .) reldir=$depth ;;
4385     *) reldir=$depth/$srcdir ;;
4386     esac
4387     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4388     cd runtime/etc/mono/2.0
4389     rm -f machine.config
4390     $LN_S $reldir/data/net_2_0/machine.config machine.config
4391     cd $depth
4392 ],[LN_S='$LN_S'])
4393
4394 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4395 [   depth=../../../..
4396     case $srcdir in
4397     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4398     .) reldir=$depth ;;
4399     *) reldir=$depth/$srcdir ;;
4400     esac
4401     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4402     cd runtime/etc/mono/2.0
4403     rm -f web.config
4404     $LN_S $reldir/data/net_2_0/web.config web.config
4405     cd $depth
4406 ],[LN_S='$LN_S'])
4407
4408 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4409 [   depth=../../..
4410     case $srcdir in
4411     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4412     .) reldir=$depth ;;
4413     *) reldir=$depth/$srcdir ;;
4414     esac
4415     $ac_aux_dir/install-sh -d runtime/etc/mono/
4416     cd runtime/etc/mono/
4417     rm -f browscap.ini
4418     $LN_S $reldir/data/browscap.ini browscap.ini
4419     cd $depth
4420 ],[LN_S='$LN_S'])
4421
4422 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4423 [   depth=../../../../..
4424     case $srcdir in
4425     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4426     .) reldir=$depth ;;
4427     *) reldir=$depth/$srcdir ;;
4428     esac
4429     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4430     cd runtime/etc/mono/2.0/Browsers
4431     rm -f Compat.browser
4432     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4433     cd $depth
4434 ],[LN_S='$LN_S'])
4435
4436 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4437 [   depth=../../../../..
4438     case $srcdir in
4439     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4440     .) reldir=$depth ;;
4441     *) reldir=$depth/$srcdir ;;
4442     esac
4443     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4444     cd runtime/etc/mono/4.0/Browsers
4445     rm -f Compat.browser
4446     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4447     cd $depth
4448 ],[LN_S='$LN_S'])
4449
4450 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4451 [   depth=../../../../..
4452     case $srcdir in
4453     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4454     .) reldir=$depth ;;
4455     *) reldir=$depth/$srcdir ;;
4456     esac
4457     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4458     cd runtime/etc/mono/4.5/Browsers
4459     rm -f Compat.browser
4460     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4461     cd $depth
4462 ],[LN_S='$LN_S'])
4463
4464 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4465 [   depth=../../../..
4466     case $srcdir in
4467     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4468     .) reldir=$depth ;;
4469     *) reldir=$depth/$srcdir ;;
4470     esac
4471     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4472     cd runtime/etc/mono/4.0
4473     rm -f machine.config
4474     $LN_S $reldir/data/net_4_0/machine.config machine.config
4475     cd $depth
4476 ],[LN_S='$LN_S'])
4477
4478 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4479 [   depth=../../../..
4480     case $srcdir in
4481     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4482     .) reldir=$depth ;;
4483     *) reldir=$depth/$srcdir ;;
4484     esac
4485     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4486     cd runtime/etc/mono/4.0
4487     rm -f web.config
4488     $LN_S $reldir/data/net_4_0/web.config web.config
4489     cd $depth
4490 ],[LN_S='$LN_S'])
4491
4492 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4493 [   depth=../../../..
4494     case $srcdir in
4495     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4496     .) reldir=$depth ;;
4497     *) reldir=$depth/$srcdir ;;
4498     esac
4499     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4500     cd runtime/etc/mono/4.5
4501     rm -f machine.config
4502     $LN_S $reldir/data/net_4_5/machine.config machine.config
4503     cd $depth
4504 ],[LN_S='$LN_S'])
4505
4506 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4507 [   depth=../../../..
4508     case $srcdir in
4509     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4510     .) reldir=$depth ;;
4511     *) reldir=$depth/$srcdir ;;
4512     esac
4513     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4514     cd runtime/etc/mono/4.5
4515     rm -f web.config
4516     $LN_S $reldir/data/net_4_5/web.config web.config
4517     cd $depth
4518 ],[LN_S='$LN_S'])
4519
4520 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])
4521 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])
4522
4523 AC_OUTPUT([
4524 Makefile
4525 mono-uninstalled.pc
4526 acceptance-tests/Makefile
4527 llvm/Makefile
4528 scripts/mono-find-provides
4529 scripts/mono-find-requires
4530 mono/Makefile
4531 mono/btls/Makefile
4532 mono/utils/Makefile
4533 mono/metadata/Makefile
4534 mono/dis/Makefile
4535 mono/cil/Makefile
4536 mono/arch/Makefile
4537 mono/arch/x86/Makefile
4538 mono/arch/amd64/Makefile
4539 mono/arch/ppc/Makefile
4540 mono/arch/sparc/Makefile
4541 mono/arch/s390x/Makefile
4542 mono/arch/arm/Makefile
4543 mono/arch/arm64/Makefile
4544 mono/arch/mips/Makefile
4545 mono/sgen/Makefile
4546 mono/tests/Makefile
4547 mono/tests/tests-config
4548 mono/tests/gc-descriptors/Makefile
4549 mono/tests/testing_gac/Makefile
4550 mono/unit-tests/Makefile
4551 mono/benchmark/Makefile
4552 mono/mini/Makefile
4553 mono/profiler/Makefile
4554 mono/eglib/Makefile
4555 mono/eglib/eglib-config.h
4556 m4/Makefile
4557 ikvm-native/Makefile
4558 scripts/Makefile
4559 man/Makefile
4560 docs/Makefile
4561 data/Makefile
4562 data/net_2_0/Makefile
4563 data/net_4_0/Makefile
4564 data/net_4_5/Makefile
4565 data/net_2_0/Browsers/Makefile
4566 data/net_4_0/Browsers/Makefile
4567 data/net_4_5/Browsers/Makefile
4568 data/mint.pc
4569 data/mono-2.pc
4570 data/monosgen-2.pc
4571 data/mono.pc
4572 data/mono-cairo.pc
4573 data/mono-nunit.pc
4574 data/mono-options.pc
4575 data/mono-lineeditor.pc
4576 data/monodoc.pc
4577 data/dotnet.pc
4578 data/dotnet35.pc
4579 data/wcf.pc
4580 data/cecil.pc
4581 data/system.web.extensions_1.0.pc
4582 data/system.web.extensions.design_1.0.pc
4583 data/system.web.mvc.pc
4584 data/system.web.mvc2.pc
4585 data/system.web.mvc3.pc
4586 data/aspnetwebstack.pc
4587 data/reactive.pc
4588 samples/Makefile
4589 support/Makefile
4590 data/config
4591 tools/Makefile
4592 tools/locale-builder/Makefile
4593 tools/sgen/Makefile
4594 tools/monograph/Makefile
4595 tools/pedump/Makefile
4596 runtime/Makefile
4597 msvc/Makefile
4598 po/Makefile
4599 ])
4600
4601 # Update all submodules recursively to ensure everything is checked out
4602 $srcdir/scripts/update_submodules.sh
4603
4604 if test x$host_win32 = xyes; then
4605    # Get rid of 'cyg' prefixes in library names
4606    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4607    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4608    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4609    # executable doesn't work...
4610    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4611 fi
4612
4613 if test x$host_darwin = xyes; then
4614    # This doesn't seem to be required and it slows down parallel builds
4615    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4616 fi
4617
4618 (
4619   case $prefix in
4620   NONE) prefix=$ac_default_prefix ;;
4621   esac
4622   case $exec_prefix in
4623   NONE) exec_prefix='${prefix}' ;;
4624   esac
4625
4626   #
4627   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4628   # any existing config.make.  This allows people to share the same source tree
4629   # with different build directories, one native and one cross
4630   #
4631   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4632
4633     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4634
4635     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4636     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4637     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4638     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4639     echo "mono_build_root=$mono_build_root" >> $mcs_topdir/build/config.make
4640     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4641     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4642     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4643     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4644
4645     case $INSTALL in
4646     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4647     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4648     esac
4649
4650     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4651
4652     export VERSION
4653     [myver=$($AWK 'BEGIN {
4654       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4655       if(length(vsplit [1]) > 4) {
4656         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4657       }
4658       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4659     }')]
4660
4661     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4662     echo "MONO_CORLIB_VERSION = $MONO_CORLIB_VERSION" >> $mcs_topdir/build/config.make
4663
4664     if test x$host_darwin = xyes; then
4665       echo "BUILD_PLATFORM = darwin" >> $mcs_topdir/build/config.make
4666     elif test x$host_win32 = xyes; then
4667       echo "BUILD_PLATFORM = win32" >> $mcs_topdir/build/config.make
4668     else
4669       echo "BUILD_PLATFORM = linux" >> $mcs_topdir/build/config.make
4670     fi
4671
4672     if test x$host_darwin = xyes; then
4673       echo "HOST_PLATFORM ?= darwin" >> $mcs_topdir/build/config.make
4674     elif test x$host_win32 = xyes; then
4675       echo "HOST_PLATFORM ?= win32" >> $mcs_topdir/build/config.make
4676     else
4677       echo "HOST_PLATFORM ?= linux" >> $mcs_topdir/build/config.make
4678     fi
4679
4680     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4681       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4682     fi
4683
4684         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4685            enable_system_aot=yes
4686         fi
4687
4688     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4689       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4690     fi
4691
4692     if test x$DISABLE_MCS_DOCS = xyes; then
4693       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4694     fi
4695
4696     if test x$has_extension_module != xno; then
4697         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4698     fi
4699     
4700     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4701     
4702     if test "x$test_bcl_opt" = "xyes"; then    
4703       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4704     fi
4705
4706     echo "CSC_LOCATION = $CSC_LOCATION" >> $srcdir/$mcsdir/build/config.make
4707
4708     if test $csc_compiler = mcs; then
4709       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
4710     fi
4711
4712     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4713       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4714       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4715     fi
4716
4717     if test "x$enable_btls" = "xyes"; then
4718       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4719     fi
4720
4721   fi
4722
4723 )
4724
4725 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4726
4727 btls_platform_string=
4728 if test x$enable_btls = xyes; then
4729         if test x$btls_android = xyes; then
4730                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4731         else
4732                 btls_platform_string=" ($BTLS_PLATFORM)"
4733         fi
4734 fi
4735
4736 echo "
4737         mcs source:    $mcsdir
4738         C# Compiler:   $csc_compiler
4739
4740    Engine:
4741         Host:          $host
4742         Target:        $target
4743         GC:            $gc_msg 
4744         TLS:           $with_tls
4745         SIGALTSTACK:   $with_sigaltstack
4746         Engine:        $jit_status
4747         BigArrays:     $enable_big_arrays
4748         DTrace:        $enable_dtrace
4749         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4750         Interpreter:   $enable_interpreter
4751
4752    Libraries:
4753         .NET 4.x:        $with_profile4_x
4754         Xamarin.Android: $with_monodroid
4755         Xamarin.iOS:     $with_monotouch
4756         Xamarin.WatchOS: $with_monotouch_watch
4757         Xamarin.TVOS:    $with_monotouch_tv
4758         Xamarin.Mac:     $with_xammac
4759         Windows AOT:     $with_winaot
4760         Orbis:           $with_orbis
4761         Unreal:          $with_unreal
4762         Test profiles:   AOT Full ($with_testing_aot_full), AOT Hybrid ($with_testing_aot_hybrid)
4763         JNI support:     $jdk_headers_found
4764         libgdiplus:      $libgdiplus_msg
4765         zlib:            $zlib_msg
4766         BTLS:            $enable_btls$btls_platform_string
4767         $disabled
4768 "
4769 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4770    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4771 fi