Merge pull request #562 from grumpydev/TypeConverterFix
[mono.git] / configure.in
1 # Process this file with autoconf to produce a configure script.
2 #AC_PREREQ([2.62])
3
4 AC_INIT(mono, [3.0.4],
5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
6
7 AC_CONFIG_SRCDIR([README])
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])
17 AC_CONFIG_HEADERS([config.h])
18 AM_MAINTAINER_MODE
19
20 API_VER=2.0
21 AC_SUBST(API_VER)
22
23 AC_PROG_LN_S
24
25 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
26
27 # In case of cygwin, override LN_S, irrespective of what it determines.
28 # The build uses cygwin, but the actual runtime doesn't.
29 case $host_os in
30 *cygwin* ) LN_S='cp -p';;
31 esac
32
33 dnl
34 dnl libgc checks
35 dnl
36
37 gc_headers=no
38 gc=included
39 gc_msg="included Boehm"
40 use_included_gc=no
41 libgc_configure_args=
42
43 if test -d $srcdir/libgc ; then
44   gc_default=included
45 else
46   gc_default=boehm
47 fi
48
49 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
50 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
51 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
52 CFLAGS_FOR_LIBGC=$CFLAGS
53 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
54 CFLAGS_FOR_EGLIB=$CFLAGS
55
56 #
57 # These are the flags that need to be stored in the mono.pc file for 
58 # compiling code that will embed Mono
59 #
60 libmono_cflags=""
61 libmono_ldflags=""
62 AC_SUBST(libmono_cflags)
63 AC_SUBST(libmono_ldflags)
64
65 # Variable to have relocatable .pc files (lib, or lib64)
66 reloc_libdir=`basename ${libdir}`
67 AC_SUBST(reloc_libdir)
68
69 dnl if linker handles the version script
70 no_version_script=no
71
72 # Set to yes if Unix sockets cannot be created in an anonymous namespace
73 need_link_unlink=no
74
75 # Thread configuration inspired by sleepycat's db
76 AC_MSG_CHECKING([host platform characteristics])
77 libgc_threads=no
78 has_dtrace=no
79 parallel_mark=yes
80 ikvm_native=yes
81
82 case "$host" in
83         powerpc*-*-linux*)
84                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
85                 disable_munmap=yes
86         ;;
87 esac
88
89 host_win32=no
90 target_win32=no
91 platform_android=no
92 platform_darwin=no
93 case "$host" in
94         *-mingw*|*-*-cygwin*)
95                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
96                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
97                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
98                 host_win32=yes
99                 mono_cv_clang=no
100                 if test "x$cross_compiling" = "xno"; then
101                         target_win32=yes
102                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
103                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
104                         fi
105                         #
106                         # gcc-3/g++-3 are from the gcc-core/gcc-g++ cygwin packages.
107                         # Other gcc packages will not work:
108                         # - the gcc-4 packages no longer support -mno-cygwin
109                         # - the mingw-gcc packages produce executables which depends on a libgcc<...>
110                         # dll, which means we would have to distribute that file too.
111                         #
112                         if test "x$CC" != "x"; then
113                                 AC_ERROR(Don't set CC. mono can only be compiled with gcc-3 from the 'gcc-core' package)
114                         fi
115                         CC="gcc-3.exe -mno-cygwin -g"
116                         CXX="g++-3.exe -mno-cygwin -g"
117                         # So libgc configure gets -mno-cygwin
118                         export CC
119                         export CXX
120                         CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -mno-cygwin"
121                 else
122                         target_win32=yes
123                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
124                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
125                 fi
126                 HOST_CC="gcc"
127                 # Windows 2000 is required that includes Internet Explorer 5.01
128                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
129                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
130                 libmono_cflags="-mno-cygwin -mms-bitfields -mwindows"
131                 libmono_ldflags="-mno-cygwin -mms-bitfields -mwindows"
132                 libdl=
133                 libgc_threads=win32
134                 gc_default=included
135                 with_sigaltstack=no
136                 LN_S=cp
137                 # This forces libgc to use the DllMain based thread registration code on win32
138                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
139                 ;;
140         *-*-*netbsd*)
141                 host_win32=no
142                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
143                 libmono_cflags="-D_REENTRANT"
144                 LDFLAGS="$LDFLAGS -pthread"
145                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
146                 libmono_ldflags="-pthread"
147                 need_link_unlink=yes
148                 libdl="-ldl"
149                 libgc_threads=pthreads
150                 with_sigaltstack=no
151                 use_sigposix=yes
152                 ;;
153         *-*-*freebsd*)
154                 host_win32=no
155                 if test "x$PTHREAD_CFLAGS" = "x"; then
156                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
157                         libmono_cflags=
158                 else
159                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
160                         libmono_cflags="$PTHREAD_CFLAGS"
161                 fi
162                 if test "x$PTHREAD_LIBS" = "x"; then
163                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
164                         libmono_ldflags="-pthread"
165                 else
166                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
167                         libmono_ldflags="$PTHREAD_LIBS"
168                 fi
169                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
170                 need_link_unlink=yes
171                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
172                 libdl=
173                 libgc_threads=pthreads
174                 # This doesn't seem to work as of 7.0 on amd64
175                 with_sigaltstack=no
176                 use_sigposix=yes
177                 ;;
178         *-*-*openbsd*)
179                 host_win32=no
180                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
181                 if test "x$disable_munmap" != "xyes"; then
182                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
183                 fi
184                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
185                 LDFLAGS="$LDFLAGS -pthread"
186                 need_link_unlink=yes
187                 AC_DEFINE(PTHREAD_POINTER_ID)
188                 libdl=
189                 gc_default=boehm
190                 libgc_threads=pthreads
191                 with_sigaltstack=no
192                 use_sigposix=yes
193                 ;;
194         *-*-linux-android*)
195                 host_win32=no
196                 platform_android=yes
197                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
198                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
199
200                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
201                 if test "x$disable_munmap" != "xyes"; then
202                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
203                 fi
204                 libmono_cflags="-D_REENTRANT"
205                 libdl="-ldl"
206                 libgc_threads=pthreads
207                 use_sigposix=yes
208
209                 with_tls=pthread
210                 with_sigaltstack=no
211                 with_static_mono=no
212
213                 # Android doesn't support boehm, as it's missing <link.h>
214                 support_boehm=no
215                 with_gc=sgen
216
217                 # isinf(3) requires -lm; see isinf check below
218                 LDFLAGS="$LDFLAGS -lm"
219
220                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
221                 # PAGE_SIZE; breaks mono/io-layer/collection.c
222                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
223                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
224                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
225
226                 # to bypass the underscore linker check, can't work when cross-compiling
227                 mono_cv_uscore=yes
228                 mono_cv_clang=no
229                 ;;
230         *-*-linux*)
231                 host_win32=no
232                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
233                 if test "x$disable_munmap" != "xyes"; then
234                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
235                 fi
236                 libmono_cflags="-D_REENTRANT"
237                 libdl="-ldl"
238                 libgc_threads=pthreads
239                 use_sigposix=yes
240                 ;;
241         *-*-nacl*)
242                 host_win32=no
243                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
244                 if test "x$disable_munmap" != "xyes"; then
245                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
246                 fi
247                 libmono_cflags="-D_REENTRANT"
248                 libdl=
249                 libgc_threads=pthreads
250                 gc_default=boehm
251                 use_sigposix=yes
252                 ikvm_native=no
253                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
254                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
255                 ;;
256         *-*-hpux*)
257                 host_win32=no
258                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
259                 # +ESdbgasm only valid on bundled cc on RISC
260                 # silently ignored for ia64
261                 if test $GCC != "yes"; then
262                         CFLAGS="$CFLAGS +ESdbgasm"
263                         # Arrange for run-time dereferencing of null
264                         # pointers to produce a SIGSEGV signal.
265                         LDFLAGS="$LDFLAGS -z"
266                 fi
267                 CFLAGS="$CFLAGS +ESdbgasm"
268                 LDFLAGS="$LDFLAGS -z"
269                 libmono_cflags="-D_REENTRANT"
270                 libmono_ldflags="-lpthread"
271                 libgc_threads=pthreads
272                 need_link_unlink=yes
273                 use_sigposix=yes
274                 ;;
275         *-*-solaris*)
276                 host_win32=no
277                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
278                 need_link_unlink=yes
279                 libmono_cflags="-D_REENTRANT"
280                 libgc_threads=pthreads
281                 # This doesn't seem to work on solaris/x86, but the configure test runs
282                 with_tls=pthread
283                 has_dtrace=yes
284                 use_sigposix=yes
285                 enable_solaris_tar_check=yes
286                 ;;
287         *-*-darwin*)
288                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
289                 host_win32=no
290                 platform_darwin=yes
291                 target_mach=yes
292                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
293                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
294                 libmono_cflags="-D_THREAD_SAFE"
295                 need_link_unlink=yes
296                 AC_DEFINE(PTHREAD_POINTER_ID)
297                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
298                 no_version_script=yes
299                 libdl=
300                 libgc_threads=pthreads
301                 has_dtrace=yes
302                 if test "x$cross_compiling" = "xyes"; then
303                         has_broken_apple_cpp=yes
304                 fi
305                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
306                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
307                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
308                 case "$host" in
309                         dnl Snow Leopard and newer config.guess reports as this
310                         i*86-*-darwin*)
311                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
312                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_FLAGS"
313                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
314                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
315                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
316                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
317                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
318                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
319                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
320                                 ;;
321                         arm*-darwin*)
322                                 has_dtrace=no
323                                 ;;                      
324                 esac
325                 ;;
326         *-*-haiku*)
327                 host_win32=no
328                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
329                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
330                 libdl=
331                 LIBS="$LIBS -lnetwork"
332                 need_link_unlink=yes
333                 AC_DEFINE(PTHREAD_POINTER_ID)
334                 libgc_threads=pthreads
335                 use_sigposix=yes
336                 ;;
337         *)
338                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
339                 host_win32=no
340                 libdl="-ldl"
341                 ;;
342 esac
343 AC_MSG_RESULT(ok)
344
345 if test x$need_link_unlink = xyes; then
346    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
347 fi
348
349 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
350 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
351 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
352 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
353 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
354 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
355
356 AC_CHECK_TOOL(CC, gcc, gcc)
357 AC_PROG_CC
358 AC_CHECK_TOOL(CXX, g++, g++)
359 AC_PROG_CXX
360 AM_PROG_AS
361 AC_PROG_INSTALL
362 AC_PROG_AWK
363 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
364 : ${CCAS='$(CC)'}
365 # Set ASFLAGS if not already set.
366 : ${CCASFLAGS='$(CFLAGS)'}
367 AC_SUBST(CCAS)
368 AC_SUBST(CCASFLAGS)
369
370 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
371 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
372 if test "x$CXX" = "xg++"; then
373         if test "x$GXX" != "xyes"; then
374                 # automake/libtool is so broken, it requires g++ even if the c++ sources
375                 # are inside automake conditionals
376                 AC_MSG_ERROR([You need to install g++])
377         fi
378 fi
379
380 dnl may require a specific autoconf version
381 dnl AC_PROG_CC_FOR_BUILD
382 dnl CC_FOR_BUILD not automatically detected
383 CC_FOR_BUILD=$CC
384 CFLAGS_FOR_BUILD=$CFLAGS
385 BUILD_EXEEXT=
386 if test "x$cross_compiling" = "xyes"; then
387         CC_FOR_BUILD=cc
388         CFLAGS_FOR_BUILD=
389         BUILD_EXEEXT=""
390 fi
391 AC_SUBST(CC_FOR_BUILD)
392 AC_SUBST(CFLAGS_FOR_BUILD)
393 AC_SUBST(HOST_CC)
394 AC_SUBST(BUILD_EXEEXT)
395
396 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
397 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
398
399 # Set STDC_HEADERS
400 AC_HEADER_STDC
401 AC_LIBTOOL_WIN32_DLL
402 # This causes monodis to not link correctly
403 #AC_DISABLE_FAST_INSTALL
404 AM_PROG_LIBTOOL
405 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
406 DOLT
407
408 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
409 AC_SUBST(export_ldflags)
410
411 # Test whenever ld supports -version-script
412 AC_PROG_LD
413 AC_PROG_LD_GNU
414 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
415    no_version_script=yes
416 fi
417
418 AM_ICONV()
419
420 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
421
422 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 libproc.h)
423 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/sem.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)
424 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
425                   [], [], [#include <stddef.h>
426                   #include <sys/socket.h>
427                   #include <linux/socket.h>])
428
429 AC_CHECK_HEADERS(sys/user.h, [], [],
430 [
431 #ifdef HAVE_SYS_PARAM_H
432 # include <sys/param.h>
433 #endif
434 ])
435
436 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
437 if test x$have_zlib = xyes; then
438    AC_TRY_COMPILE([#include <zlib.h>], [
439    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
440    return 0;
441    #else
442    #error No good zlib found
443    #endif
444    ],[
445         AC_MSG_RESULT(Using system zlib)
446         zlib_msg="system zlib"
447         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
448    ],[
449         AC_MSG_RESULT(Using embedded zlib)
450         have_zlib=no
451         zlib_msg="bundled zlib"
452    ])
453 fi
454
455 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
456 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
457
458 # for mono/metadata/debug-symfile.c
459 AC_CHECK_HEADERS(elf.h)
460
461 # for support
462 AC_CHECK_HEADERS(poll.h)
463 AC_CHECK_HEADERS(sys/poll.h)
464 AC_CHECK_HEADERS(sys/wait.h)
465 AC_CHECK_HEADERS(grp.h)
466 AC_CHECK_HEADERS(syslog.h)
467
468 # for mono/dis
469 AC_CHECK_HEADERS(wchar.h)
470 AC_CHECK_HEADERS(ieeefp.h)
471 AC_MSG_CHECKING(for isinf)
472 AC_TRY_LINK([#include <math.h>], [
473         int f = isinf (1);
474 ], [
475         AC_MSG_RESULT(yes)
476         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
477 ], [
478         # We'll have to use signals
479         AC_MSG_RESULT(no)
480 ])
481
482 # for Linux statfs support
483 AC_CHECK_HEADERS(linux/magic.h)
484
485 # not 64 bit clean in cross-compile
486 AC_CHECK_SIZEOF(void *, 4)
487
488 WARN=''
489 if test x"$GCC" = xyes; then
490         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
491                 # The runtime code does not respect ANSI C strict aliasing rules
492                 CFLAGS="$CFLAGS -fno-strict-aliasing"
493
494                 ORIG_CFLAGS=$CFLAGS
495                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
496                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
497                 AC_TRY_COMPILE([],[
498                                 return 0;
499                 ], [
500                    AC_MSG_RESULT(yes)
501                 ], [
502                    AC_MSG_RESULT(no)
503                    CFLAGS=$ORIG_CFLAGS
504                 ])
505
506                 ORIG_CFLAGS=$CFLAGS
507                 # Check for the normal version, since gcc ignores unknown -Wno options
508                 CFLAGS="$CFLAGS -Wunused-but-set-variable"
509                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
510                 AC_TRY_COMPILE([],[
511                                 return 0;
512                 ], [
513                    AC_MSG_RESULT(yes)
514                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
515                 ], [
516                    AC_MSG_RESULT(no)
517                    CFLAGS=$ORIG_CFLAGS
518                 ])
519 else
520         # The Sun Forte compiler complains about inline functions that access static variables
521         # so disable all inlining.
522         case "$host" in
523         *-*-solaris*)
524                 CFLAGS="$CFLAGS -Dinline="
525                 ;;
526         esac
527 fi
528 CFLAGS="$CFLAGS -g $WARN"
529 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
530
531 AC_CACHE_CHECK([for clang],
532         mono_cv_clang,[
533         AC_TRY_COMPILE([], [
534                 #ifdef __clang__
535                 #else
536                 #error "FAILED"
537                 #endif
538                 return 0;
539         ],
540         [mono_cv_clang=yes],
541         [mono_cv_clang=no],
542         [])
543 ])
544
545 # Where's the 'mcs' source tree?
546 if test -d $srcdir/mcs; then
547   mcsdir=mcs
548 else
549   mcsdir=../mcs
550 fi
551
552 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
553         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
554                 mcsdir=$with_mcs_path
555         fi
556 )
557
558 #
559 # A sanity check to catch cases where the package was unpacked
560 # with an ancient tar program (Solaris)
561 #
562 AC_ARG_ENABLE(solaris-tar-check,
563 [  --disable-solaris-tar-check    disable solaris tar check],
564    do_solaris_tar_check=no, do_solaris_tar_check=yes)
565
566 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
567         AC_MSG_CHECKING(integrity of package)
568         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
569         then
570                 AC_MSG_RESULT(ok)
571         else
572                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
573                 AC_MSG_ERROR([$errorm])
574         fi
575 fi
576
577 if test "x$with_mcs_path" != "x"; then
578 mcs_topdir=$(cd "$mcsdir" && pwd)
579 mcs_topdir_from_srcdir=$mcs_topdir
580 else
581 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
582 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
583 fi
584
585 # Convert mcs_topdir* paths to Windows syntax.
586 if test x$cross_compiling$host_win32 = xnoyes; then
587   mcs_topdir=$(cygpath -m $mcs_topdir)
588   case $mcs_topdir_from_srcdir in
589     /cygdrive/*)
590         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
591         ;;
592   esac
593 fi
594
595 AC_SUBST([mcs_topdir])
596 AC_SUBST([mcs_topdir_from_srcdir])
597
598 # Where's the 'olive' source tree?
599 if test -d $srcdir/olive; then
600   olivedir=olive
601 else
602   olivedir=../olive
603 fi
604
605 if test -d $srcdir/$olivedir; then
606 olive_topdir='$(top_srcdir)/'$olivedir
607 fi
608
609 # gettext: prepare the translation directories. 
610 # we do not configure the full gettext, as we consume it dynamically from C#
611 AM_PO_SUBDIRS
612
613 if test "x$USE_NLS" = "xyes"; then
614    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
615
616    if test "x$HAVE_MSGFMT" = "xno"; then
617           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
618    fi
619 fi
620
621 AC_ARG_WITH([libgdiplus], 
622         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)], 
623         [], [with_libgdiplus=installed])
624
625 case $with_libgdiplus in
626 no|installed) libgdiplus_loc= ;;
627 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
628 /*) libgdiplus_loc=$with_libgdiplus ;;
629 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
630 esac
631 AC_SUBST([libgdiplus_loc])
632
633 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
634
635 pkg_config_path=
636 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
637         if test x$with_crosspkgdir = "x"; then
638                 if test -s $PKG_CONFIG_PATH; then
639                         pkg_config_path=$PKG_CONFIG_PATH
640                 fi
641         else
642                 pkg_config_path=$with_crosspkgdir
643                 PKG_CONFIG_PATH=$pkg_config_path
644                 export PKG_CONFIG_PATH
645         fi
646 )
647
648 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
649 AC_CONFIG_SUBDIRS(eglib)
650
651 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
652 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
653 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
654 BUILD_GLIB_LIBS="$GLIB_LIBS"
655 GMODULE_CFLAGS="$GLIB_CFLAGS"
656 GMODULE_LIBS="$GLIB_LIBS"
657   
658 AC_SUBST(GLIB_CFLAGS)
659 AC_SUBST(GLIB_LIBS)
660 AC_SUBST(GMODULE_CFLAGS)
661 AC_SUBST(GMODULE_LIBS)
662 AC_SUBST(BUILD_GLIB_CFLAGS)
663 AC_SUBST(BUILD_GLIB_LIBS)
664
665 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
666
667 # Enable support for fast thread-local storage
668 # Some systems have broken support, so we allow to disable it.
669 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
670
671 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
672 # This does not work on some platforms (bug #55253)
673 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
674
675 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
676 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
677 # Same as --with-shared_mono=no
678 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
679
680 if test "x$enable_static" = "xno"; then
681    with_static_mono=no
682 fi
683
684 if test "x$enable_shared" = "xno"; then
685    with_shared_mono=no
686 fi
687
688 if test "x$enable_libraries" = "xno"; then
689    with_shared_mono=no
690 fi
691
692 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
693
694 case $host in
695 *nacl* ) with_shared_mono=yes;;
696 esac
697
698 if test "x$host_win32" = "xyes"; then
699    # Boehm GC requires the runtime to be in its own dll
700    with_static_mono=no
701 fi
702
703 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
704 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
705 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
706
707 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
708 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
709         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
710         ORIG_CFLAGS=$CFLAGS
711         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
712         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
713         AC_TRY_COMPILE([], [
714                 return 0;
715         ], [
716            AC_MSG_RESULT(yes)
717            # Pass it to libgc as well
718            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
719         ], [
720            AC_MSG_RESULT(no)
721            CFLAGS=$ORIG_CFLAGS
722         ])
723 fi
724
725 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
726
727 if test x$enable_small_config = xyes; then
728         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
729         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
730 fi
731
732 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=$enableval, enable_system_aot=default)
733
734 DISABLED_FEATURES=none
735
736 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
737      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains,
738      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters,
739          sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
740 [
741         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
742                 eval "mono_feature_disable_$feature='yes'"
743         done
744         DISABLED_FEATURES=$enable_minimal
745         disabled="Disabled:      $enable_minimal"
746 ],[])
747
748 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
749
750 if test "x$mono_feature_disable_aot" = "xyes"; then
751         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
752         AC_MSG_NOTICE([Disabled AOT compiler])
753 fi
754
755 if test "x$mono_feature_disable_profiler" = "xyes"; then
756         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
757         AC_MSG_NOTICE([Disabled support for the profiler])
758 fi
759 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
760
761 if test "x$mono_feature_disable_decimal" = "xyes"; then
762         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
763         AC_MSG_NOTICE([Disabled support for decimal])
764 fi
765
766 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
767         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
768         AC_MSG_NOTICE([Disabled support for P/Invoke])
769 fi
770
771 if test "x$mono_feature_disable_debug" = "xyes"; then
772         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
773         AC_MSG_NOTICE([Disabled support for runtime debugging])
774 fi
775
776 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
777         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
778         mono_feature_disable_reflection_emit_save=yes
779         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
780 fi
781
782 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
783         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
784         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
785 fi
786
787 if test "x$mono_feature_disable_large_code" = "xyes"; then
788         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
789         AC_MSG_NOTICE([Disabled support for large assemblies])
790 fi
791
792 if test "x$mono_feature_disable_logging" = "xyes"; then
793         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
794         AC_MSG_NOTICE([Disabled support for logging])
795 fi
796
797 if test "x$mono_feature_disable_com" = "xyes"; then
798         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
799         AC_MSG_NOTICE([Disabled COM support])
800 fi
801
802 if test "x$mono_feature_disable_ssa" = "xyes"; then
803         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
804         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
805 fi
806
807 if test "x$mono_feature_disable_generics" = "xyes"; then
808         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
809         AC_MSG_NOTICE([Disabled Generics Support])
810 fi
811
812 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
813         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
814         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
815 fi
816
817 if test "x$mono_feature_disable_portability" = "xyes"; then
818         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
819         AC_MSG_NOTICE([Disabled IO Portability layer])
820 fi
821
822 if test "x$mono_feature_disable_attach" = "xyes"; then
823         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
824         AC_MSG_NOTICE([Disabled agent attach])
825 fi
826
827 if test "x$mono_feature_disable_full_messages" = "xyes"; then
828         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
829         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
830 fi
831
832 if test "x$mono_feature_disable_verifier" = "xyes"; then
833         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
834         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
835 fi
836
837 if test "x$mono_feature_disable_jit" = "xyes"; then
838         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
839         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
840 fi
841
842 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
843
844 if test "x$mono_feature_disable_simd" = "xyes"; then
845         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
846         AC_MSG_NOTICE([Disabled SIMD support])
847 fi
848
849 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
850         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
851         AC_MSG_NOTICE([Disabled Soft Debugger.])
852 fi
853
854 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
855         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
856         AC_MSG_NOTICE([Disabled Performance Counters.])
857 fi
858 if test "x$mono_feature_disable_normalization" = "xyes"; then
859         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
860         AC_MSG_NOTICE([Disabled String normalization support.])
861 fi
862
863 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
864         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
865         AC_MSG_NOTICE([Disabled Assembly remapping.])
866 fi
867
868 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
869         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
870         AC_MSG_NOTICE([Disabled Shared perfcounters.])
871 fi
872
873 if test "x$mono_feature_disable_appdomains" = "xyes"; then
874         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
875         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
876 fi
877
878 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
879         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
880         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
881 fi
882
883 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
884         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
885         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
886 fi
887
888 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
889         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
890         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
891 fi
892
893 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
894         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
895         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
896 fi
897
898 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
899         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
900         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
901 fi
902
903 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
904 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
905
906 AC_ARG_ENABLE(extension-module, [  --enable-extension-module enables usage of the extension module], has_extension_module=$enableval, has_extension_module=no)
907 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
908
909 if test x$has_extension_module != xno ; then
910         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
911         AC_MSG_NOTICE([Enabling mono extension module.])
912 fi
913
914
915 AC_MSG_CHECKING(for visibility __attribute__)
916 AC_COMPILE_IFELSE([
917         AC_LANG_SOURCE([[
918                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
919                 int main () { doit (); return 0; }
920         ]])
921 ], [
922    have_visibility_hidden=yes
923    AC_MSG_RESULT(yes)
924 ], [
925    have_visibility_hidden=no
926    AC_MSG_RESULT(no)
927 ])
928
929 AC_MSG_CHECKING(for deprecated __attribute__)
930 AC_TRY_COMPILE([
931      int doit (void) __attribute__ ((deprecated));
932      int doit (void) { return 0; }
933 ], [
934         return 0;
935 ], [
936    have_deprecated=yes
937    AC_MSG_RESULT(yes)
938 ], [
939    have_deprecated=no
940    AC_MSG_RESULT(no)
941 ])
942
943 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
944 if test x$enable_parallel_mark = xyes; then
945         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
946 fi
947
948 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
949 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
950
951 dnl
952 dnl Boehm GC configuration
953 dnl
954 LIBGC_CPPFLAGS=
955 LIBGC_LIBS=
956 LIBGC_STATIC_LIBS=
957 libgc_dir=
958 case "x$gc" in
959         xboehm|xbohem|xyes)
960                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
961                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
962
963                 if test "x$found_boehm" != "xyes"; then
964                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
965                 fi
966                 if test "x$gc_headers" != "xyes"; then
967                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
968                 fi
969
970                 LIBGC_LIBS="-lgc $libdl"
971                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
972                 libmono_ldflags="$libmono_ldflags -lgc"
973                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
974
975                 # AC_CHECK_FUNCS does not work for some reason...
976                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
977                 if test "x$found_gcj_malloc" = "xyes"; then
978                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
979                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
980                         gc_msg="System Boehm with typed GC"
981                 else
982                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
983                         gc_msg="System Boehm (without typed GC)"
984                 fi
985                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
986                 if test "x$found_gc_enable" = "xyes"; then
987                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
988                 fi
989
990                 # check whether we need to explicitly allow
991                 # thread registering
992                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
993                 if test "x$found_allow_register_threads" = "xyes"; then
994                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
995                 fi
996
997                 ;;
998
999         xincluded)
1000                 use_included_gc=yes
1001                 libgc_dir=libgc
1002
1003                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1004                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1005                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1006
1007                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1008
1009                 gc_msg="bundled Boehm GC with typed GC"
1010                 if test x$enable_parallel_mark = xyes; then
1011                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1012                         gc_msg="$gc_msg and parallel mark"
1013                 else
1014                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1015                 fi
1016                 ;;
1017
1018         xsgen)
1019                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1020                 ;;
1021
1022         xnone)
1023                 AC_MSG_WARN("Compiling mono without GC.")
1024                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1025                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1026                 ;;
1027         *)
1028                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1029                 ;;
1030 esac
1031
1032 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1033 if test "x$large_heap" = "xyes"; then
1034    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1035 fi
1036
1037 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1038 AC_SUBST(LIBGC_CPPFLAGS)
1039 AC_SUBST(LIBGC_LIBS)
1040 AC_SUBST(LIBGC_STATIC_LIBS)
1041 AC_SUBST(libgc_dir)
1042 AC_SUBST(BOEHM_DEFINES)
1043
1044 dnl
1045 dnl End of libgc checks
1046 dnl
1047
1048 dnl *************************************
1049 dnl *** Checks for zero length arrays ***
1050 dnl *************************************
1051 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1052 AC_TRY_COMPILE([
1053         struct s {
1054                 int  length;
1055                 char data [0];
1056         };
1057 ], [], [
1058         AC_MSG_RESULT(yes)
1059         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1060 ], [
1061         AC_MSG_RESULT(no)
1062         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1063 ])
1064
1065 if test x$target_win32 = xno; then
1066
1067         dnl hires monotonic clock support
1068         AC_SEARCH_LIBS(clock_gettime, rt)
1069
1070         dnl dynamic loader support
1071         AC_CHECK_FUNC(dlopen, DL_LIB="",
1072                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1073         )
1074         if test x$dl_support = xno; then
1075                 AC_MSG_WARN([No dynamic loading support available])
1076         else
1077                 LIBS="$LIBS $DL_LIB"
1078                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1079                 dnl from glib's configure.in
1080                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1081                         mono_cv_uscore,[
1082                         AC_TRY_RUN([#include <dlfcn.h>
1083                         int mono_underscore_test (void) { return 42; }
1084                         int main() {
1085                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1086                           handle = dlopen ((void*)0, 0);
1087                           if (handle) {
1088                             f1 = dlsym (handle, "mono_underscore_test");
1089                             f2 = dlsym (handle, "_mono_underscore_test");
1090                           } return (!f2 || f1);
1091                         }],
1092                                 [mono_cv_uscore=yes],
1093                                 [mono_cv_uscore=no],
1094                         [])
1095                 ])
1096                 if test "x$mono_cv_uscore" = "xyes"; then
1097                         MONO_DL_NEED_USCORE=1
1098                 else
1099                         MONO_DL_NEED_USCORE=0
1100                 fi
1101                 AC_SUBST(MONO_DL_NEED_USCORE)
1102                 AC_CHECK_FUNC(dlerror)
1103         fi
1104
1105         dnl ******************************************************************
1106         dnl *** Checks for the IKVM JNI interface library                  ***
1107         dnl ******************************************************************
1108         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])
1109
1110         ikvm_native_dir=
1111         if test x$with_ikvm_native = xyes; then
1112                 ikvm_native_dir=ikvm-native
1113                 jdk_headers_found="IKVM Native"
1114         fi
1115
1116         AC_SUBST(ikvm_native_dir)
1117
1118         AC_CHECK_HEADERS(execinfo.h)
1119
1120         AC_CHECK_FUNCS(getgrgid_r)
1121         AC_CHECK_FUNCS(getgrnam_r)
1122         AC_CHECK_FUNCS(getpwnam_r)
1123         AC_CHECK_FUNCS(getpwuid_r)
1124         AC_CHECK_FUNCS(getresuid)
1125         AC_CHECK_FUNCS(setresuid)
1126         AC_CHECK_FUNCS(kqueue)
1127         AC_CHECK_FUNCS(backtrace_symbols)
1128         AC_CHECK_FUNCS(mkstemp)
1129         AC_CHECK_FUNCS(mmap)
1130         AC_CHECK_FUNCS(madvise)
1131         AC_CHECK_FUNCS(getrusage)
1132         AC_CHECK_FUNCS(getpriority)
1133         AC_CHECK_FUNCS(setpriority)
1134         AC_CHECK_FUNCS(dl_iterate_phdr)
1135         AC_CHECK_FUNCS(dladdr)
1136         AC_CHECK_FUNCS(sysconf)
1137
1138         AC_CHECK_FUNCS(sched_setaffinity)
1139         AC_CHECK_FUNCS(sched_getcpu)
1140
1141         dnl ****************************************************************
1142         dnl *** Check for sched_setaffinity from glibc versions before   ***
1143         dnl *** 2.3.4. The older versions of the function only take 2    ***
1144         dnl *** parameters, not 3.                                       ***
1145         dnl ***                                                          ***
1146         dnl *** Because the interface change was not made in a minor     ***
1147         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1148         dnl *** won't always indicate the interface sched_affinity has.  ***
1149         dnl ****************************************************************
1150         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1151         AC_TRY_COMPILE([#include <sched.h>], [
1152             int mask = 1; 
1153             sched_setaffinity(0, &mask);
1154                         return 0;
1155         ], [
1156                 # Yes, we have it...
1157                 AC_MSG_RESULT(yes)
1158                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1159         ], [
1160                 # We have the new, three-parameter version
1161                 AC_MSG_RESULT(no)
1162         ])
1163
1164
1165         dnl ******************************************************************
1166         dnl *** Check for large file support                               ***
1167         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1168         dnl ******************************************************************
1169         
1170         # Check that off_t can represent 2**63 - 1 correctly, working around
1171         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1172         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1173         large_offt=no
1174         AC_DEFUN([LARGE_FILES], [
1175                 large_CPPFLAGS=$CPPFLAGS
1176                 CPPFLAGS="$CPPFLAGS $1"
1177                 AC_TRY_COMPILE([
1178                         #include <sys/types.h>
1179                         #include <limits.h>
1180                 ], [
1181                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1182                         #define COMPILE_TIME_ASSERT(pred) \
1183                                 switch(0){case 0:case pred:;}
1184                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1185                 ], [
1186                         AC_MSG_RESULT(ok)
1187                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1188                         large_CPPFLAGS="$large_CPPFLAGS $1"
1189                         large_offt=yes
1190                 ], [
1191                         AC_MSG_RESULT(no)
1192                 ])
1193                 CPPFLAGS=$large_CPPFLAGS
1194         ])
1195
1196         AC_MSG_CHECKING(if off_t is 64 bits wide)
1197         LARGE_FILES("")
1198         if test $large_offt = no; then
1199                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1200                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1201         fi
1202         if test $large_offt = no; then
1203                 AC_MSG_WARN([No 64 bit file size support available])
1204         fi
1205         
1206         dnl *****************************
1207         dnl *** Checks for libsocket  ***
1208         dnl *****************************
1209         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1210
1211         case "$host" in
1212                 *-*-*freebsd*)
1213                         dnl *****************************
1214                         dnl *** Checks for libinotify ***
1215                         dnl *****************************
1216                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1217         esac
1218
1219         dnl *******************************
1220         dnl *** Checks for MSG_NOSIGNAL ***
1221         dnl *******************************
1222         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1223         AC_TRY_COMPILE([#include <sys/socket.h>], [
1224                 int f = MSG_NOSIGNAL;
1225         ], [
1226                 # Yes, we have it...
1227                 AC_MSG_RESULT(yes)
1228                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1229         ], [
1230                 # We'll have to use signals
1231                 AC_MSG_RESULT(no)
1232         ])
1233
1234         dnl *****************************
1235         dnl *** Checks for SOL_IP     ***
1236         dnl *****************************
1237         AC_MSG_CHECKING(for SOL_IP)
1238         AC_TRY_COMPILE([#include <netdb.h>], [
1239                 int level = SOL_IP;
1240         ], [
1241                 # Yes, we have it...
1242                 AC_MSG_RESULT(yes)
1243                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1244         ], [
1245                 # We'll have to use getprotobyname
1246                 AC_MSG_RESULT(no)
1247         ])
1248
1249         dnl *****************************
1250         dnl *** Checks for SOL_IPV6     ***
1251         dnl *****************************
1252         AC_MSG_CHECKING(for SOL_IPV6)
1253         AC_TRY_COMPILE([#include <netdb.h>], [
1254                 int level = SOL_IPV6;
1255         ], [
1256                 # Yes, we have it...
1257                 AC_MSG_RESULT(yes)
1258                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1259         ], [
1260                 # We'll have to use getprotobyname
1261                 AC_MSG_RESULT(no)
1262         ])
1263
1264         dnl *****************************
1265         dnl *** Checks for SOL_TCP    ***
1266         dnl *****************************
1267         AC_MSG_CHECKING(for SOL_TCP)
1268         AC_TRY_COMPILE([#include <netdb.h>], [
1269                 int level = SOL_TCP;
1270         ], [
1271                 # Yes, we have it...
1272                 AC_MSG_RESULT(yes)
1273                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1274         ], [
1275                 # We'll have to use getprotobyname
1276                 AC_MSG_RESULT(no)
1277         ])
1278
1279         dnl *****************************
1280         dnl *** Checks for IP_PKTINFO ***
1281         dnl *****************************
1282         AC_MSG_CHECKING(for IP_PKTINFO)
1283         AC_TRY_COMPILE([#include <netdb.h>], [
1284                 int level = IP_PKTINFO;
1285         ], [
1286                 # Yes, we have it...
1287                 AC_MSG_RESULT(yes)
1288                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1289         ], [
1290                 AC_MSG_RESULT(no)
1291         ])
1292
1293         dnl *****************************
1294         dnl *** Checks for IPV6_PKTINFO ***
1295         dnl *****************************
1296         AC_MSG_CHECKING(for IPV6_PKTINFO)
1297         AC_TRY_COMPILE([#include <netdb.h>], [
1298                 int level = IPV6_PKTINFO;
1299         ], [
1300                 # Yes, we have it...
1301                 AC_MSG_RESULT(yes)
1302                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1303         ], [
1304                 AC_MSG_RESULT(no)
1305         ])
1306
1307         dnl **********************************
1308         dnl *** Checks for IP_DONTFRAGMENT ***
1309         dnl **********************************
1310         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1311         AC_TRY_COMPILE([#include <netdb.h>], [
1312                 int level = IP_DONTFRAGMENT;
1313         ], [
1314                 # Yes, we have it...
1315                 AC_MSG_RESULT(yes)
1316                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1317         ], [
1318                 AC_MSG_RESULT(no)
1319         ])
1320
1321         dnl **********************************
1322         dnl *** Checks for IP_MTU_DISCOVER ***
1323         dnl **********************************
1324         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1325         AC_TRY_COMPILE([#include <netdb.h>], [
1326                 int level = IP_MTU_DISCOVER;
1327         ], [
1328                 # Yes, we have it...
1329                 AC_MSG_RESULT(yes)
1330                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1331         ], [
1332                 AC_MSG_RESULT(no)
1333         ])
1334
1335         dnl *********************************
1336         dnl *** Check for struct ip_mreqn ***
1337         dnl *********************************
1338         AC_MSG_CHECKING(for struct ip_mreqn)
1339         AC_TRY_COMPILE([#include <netinet/in.h>], [
1340                 struct ip_mreqn mreq;
1341                 mreq.imr_address.s_addr = 0;
1342         ], [
1343                 # Yes, we have it...
1344                 AC_MSG_RESULT(yes)
1345                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1346         ], [
1347                 # We'll just have to try and use struct ip_mreq
1348                 AC_MSG_RESULT(no)
1349                 AC_MSG_CHECKING(for struct ip_mreq)
1350                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1351                         struct ip_mreq mreq;
1352                         mreq.imr_interface.s_addr = 0;
1353                 ], [
1354                         # Yes, we have it...
1355                         AC_MSG_RESULT(yes)
1356                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1357                 ], [
1358                         # No multicast support
1359                         AC_MSG_RESULT(no)
1360                 ])
1361         ])
1362         
1363         dnl **********************************
1364         dnl *** Check for gethostbyname2_r ***
1365         dnl **********************************
1366         AC_MSG_CHECKING(for gethostbyname2_r)
1367                 AC_TRY_LINK([#include <netdb.h>], [
1368                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1369         ], [
1370                 # Yes, we have it...
1371                 AC_MSG_RESULT(yes)
1372                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1373         ], [
1374                 AC_MSG_RESULT(no)
1375         ])
1376
1377         dnl *****************************
1378         dnl *** Checks for libnsl     ***
1379         dnl *****************************
1380         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1381
1382         AC_CHECK_FUNCS(inet_pton inet_aton)
1383
1384         dnl ***********************************************
1385         dnl *** Checks for size of sockaddr_un.sun_path ***
1386         dnl ***********************************************
1387         # AC_CHECK_SIZEOF can't cope with struct members :-(
1388         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1389         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1390                 [AC_TRY_RUN([
1391                         #include <sys/types.h>
1392                         #include <stdio.h>
1393                         #include <sys/un.h>
1394
1395                         int main(void) {
1396                                 struct sockaddr_un sock_un;
1397                                 FILE *f=fopen("conftestval", "w");
1398                                 if(!f) exit(1);
1399                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1400                                 exit(0);
1401                         }
1402                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1403                    mono_cv_sizeof_sunpath=0,
1404                    mono_cv_sizeof_sunpath=0)])dnl
1405         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1406         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1407
1408         dnl *****************************
1409         dnl *** Checks for libxnet    ***
1410         dnl *****************************
1411         case "${host}" in
1412                 *solaris* )
1413                         AC_MSG_CHECKING(for Solaris XPG4 support)
1414                         if test -f /usr/lib/libxnet.so; then
1415                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1416                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1417                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1418                                 LIBS="$LIBS -lxnet"
1419                                 AC_MSG_RESULT(yes)
1420                         else
1421                                 AC_MSG_RESULT(no)
1422                         fi
1423
1424                         if test "$GCC" = "yes"; then
1425                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1426                         fi
1427                 ;;
1428         esac
1429
1430         dnl *****************************
1431         dnl *** Checks for libpthread ***
1432         dnl *****************************
1433 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1434 # and libpthread does not exist
1435 #
1436         case "${host}" in
1437                 *-*-*freebsd*)
1438                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1439                 ;;
1440                 *-*-*openbsd*)
1441                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1442                 ;;
1443                 *)
1444                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1445                 ;;
1446         esac
1447         AC_CHECK_HEADERS(pthread.h)
1448         AC_CHECK_HEADERS(pthread_np.h)
1449         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1450         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1451         AC_CHECK_FUNCS(pthread_kill)
1452         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1453         AC_TRY_COMPILE([ #include <pthread.h>], [
1454                 pthread_mutexattr_t attr;
1455                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1456         ], [
1457                 AC_MSG_RESULT(ok)
1458         ], [
1459                 AC_MSG_RESULT(no)
1460                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1461                 AC_DEFINE(USE_MONO_MUTEX, 1, [Use mono_mutex_t])
1462         ])
1463         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1464         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1465         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1466
1467         dnl ***********************************
1468         dnl *** Checks for signals
1469         dnl ***********************************
1470         AC_CHECK_HEADERS(signal.h)
1471         AC_CHECK_FUNCS(sigaction)
1472
1473         dnl ***********************************
1474         dnl *** Checks for working __thread ***
1475         dnl ***********************************
1476         AC_MSG_CHECKING(for working __thread)
1477         if test "x$with_tls" != "x__thread"; then
1478                 AC_MSG_RESULT(disabled)
1479         else
1480                 AC_TRY_RUN([
1481                         #include <pthread.h>
1482                         __thread int i;
1483                         static int res1, res2;
1484
1485                         void thread_main (void *arg)
1486                         {
1487                                 i = arg;
1488                                 sleep (1);
1489                                 if (arg == 1)
1490                                         res1 = (i == arg);
1491                                 else
1492                                         res2 = (i == arg);
1493                         }
1494
1495                         int main () {
1496                                 pthread_t t1, t2;
1497
1498                                 i = 5;
1499
1500                                 pthread_create (&t1, NULL, thread_main, 1);
1501                                 pthread_create (&t2, NULL, thread_main, 2);
1502
1503                                 pthread_join (t1, NULL);
1504                                 pthread_join (t2, NULL);
1505
1506                                 return !(res1 + res2 == 2);
1507                         }
1508                 ], [
1509                                 AC_MSG_RESULT(yes)
1510                 ], [
1511                                 AC_MSG_RESULT(no)
1512                                 with_tls=pthread
1513                 ])
1514         fi
1515
1516         dnl **************************************
1517         dnl *** Checks for working sigaltstack ***
1518         dnl **************************************
1519         AC_MSG_CHECKING(for working sigaltstack)
1520         if test "x$with_sigaltstack" != "xyes"; then
1521                 AC_MSG_RESULT(disabled)
1522         else
1523                 AC_TRY_RUN([
1524                         #include <stdio.h>
1525                         #include <stdlib.h>
1526                         #include <unistd.h>
1527                         #include <signal.h>
1528                         #include <pthread.h>
1529                         #include <sys/wait.h>
1530                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1531                         #define SA_STACK SA_ONSTACK
1532                         #endif
1533                         static void
1534                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1535                         {
1536                                 exit (0);
1537                         }
1538
1539                         volatile char*__ptr = NULL;
1540                         static void *
1541                         loop (void *ignored)
1542                         {
1543                                 *__ptr = 0;
1544                                 return NULL;
1545                         }
1546
1547                         static void
1548                         child ()
1549                         {
1550                                 struct sigaction sa;
1551                         #ifdef __APPLE__
1552                                 stack_t sas;
1553                         #else
1554                                 struct sigaltstack sas;
1555                         #endif
1556                                 pthread_t id;
1557                                 pthread_attr_t attr;
1558
1559                                 sa.sa_sigaction = sigsegv_signal_handler;
1560                                 sigemptyset (&sa.sa_mask);
1561                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1562                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1563                                         perror ("sigaction");
1564                                         return;
1565                                 }
1566
1567                                 /* x86 darwin deliver segfaults using SIGBUS */
1568                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1569                                         perror ("sigaction");
1570                                         return;
1571                                 }
1572                                 sas.ss_sp = malloc (SIGSTKSZ);
1573                                 sas.ss_size = SIGSTKSZ;
1574                                 sas.ss_flags = 0;
1575                                 if (sigaltstack (&sas, NULL) == -1) {
1576                                         perror ("sigaltstack");
1577                                         return;
1578                                 }
1579
1580                                 pthread_attr_init (&attr);
1581                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1582                                         printf ("pthread_create\n");
1583                                         return;
1584                                 }
1585
1586                                 sleep (100);
1587                         }
1588
1589                         int
1590                         main ()
1591                         {
1592                                 pid_t son;
1593                                 int status;
1594                                 int i;
1595
1596                                 son = fork ();
1597                                 if (son == -1) {
1598                                         return 1;
1599                                 }
1600
1601                                 if (son == 0) {
1602                                         child ();
1603                                         return 0;
1604                                 }
1605
1606                                 for (i = 0; i < 300; ++i) {
1607                                         waitpid (son, &status, WNOHANG);
1608                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1609                                                 return 0;
1610                                         usleep (10000);
1611                                 }
1612
1613                                 kill (son, SIGKILL);
1614                                 return 1;
1615                         }
1616
1617                 ], [
1618                                 AC_MSG_RESULT(yes)
1619                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1620                 ], [
1621                                 with_sigaltstack=no
1622                                 AC_MSG_RESULT(no)
1623                 ])
1624         fi
1625
1626         dnl ********************************
1627         dnl *** Checks for semaphore lib ***
1628         dnl ********************************
1629         # 'Real Time' functions on Solaris
1630         # posix4 on Solaris 2.6
1631         # pthread (first!) on Linux
1632         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1633
1634         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1635         AC_CHECK_FUNCS(shm_open)
1636
1637         dnl ********************************
1638         dnl *** Checks for timezone stuff **
1639         dnl ********************************
1640         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1641                 AC_TRY_COMPILE([
1642                         #include <time.h>
1643                         ], [
1644                         struct tm tm;
1645                         tm.tm_gmtoff = 1;
1646                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1647         if test $ac_cv_struct_tm_gmtoff = yes; then
1648                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1649         else
1650                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1651                         AC_TRY_COMPILE([
1652                                 #include <time.h>
1653                         ], [
1654                                 timezone = 1;
1655                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1656                 if test $ac_cv_var_timezone = yes; then
1657                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1658                 else
1659                         AC_ERROR(unable to find a way to determine timezone)
1660                 fi
1661         fi
1662
1663         dnl *********************************
1664         dnl *** Checks for math functions ***
1665         dnl *********************************
1666         AC_SEARCH_LIBS(sqrtf, m)
1667         if test "x$has_broken_apple_cpp" != "xyes"; then
1668                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1669                         AC_TRY_LINK([#include <math.h>], 
1670                         [ finite(0.0); ], 
1671                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1672                         AC_MSG_RESULT(no)))
1673         fi
1674         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1675                 AC_TRY_LINK([#include <math.h>], 
1676                 [ isfinite(0.0); ], 
1677                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1678                 AC_MSG_RESULT(no)))
1679
1680         dnl ****************************************************************
1681         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1682         dnl *** have it in the library (duh))                            ***
1683         dnl ****************************************************************
1684         AC_CHECK_FUNCS(poll)
1685
1686         dnl *************************
1687         dnl *** Check for signbit ***
1688         dnl *************************
1689         AC_MSG_CHECKING(for signbit)
1690         AC_TRY_LINK([#include <math.h>], [
1691                 int s = signbit(1.0);
1692         ], [
1693                 AC_MSG_RESULT(yes)
1694                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1695         ], [
1696                 AC_MSG_RESULT(no)
1697         ]) 
1698
1699         dnl **********************************
1700         dnl *** epoll                      ***
1701         dnl **********************************
1702         AC_CHECK_HEADERS(sys/epoll.h)
1703         haveepoll=no
1704         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1705         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1706                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1707         fi
1708
1709         havekqueue=no
1710         AC_CHECK_FUNCS(kqueue, , AC_MSG_CHECKING(for kqueue in sys/event.h)
1711                 AC_TRY_LINK([#include <sys/event.h>], 
1712                 [ kqueue(); ],[havekqueue=yes],[]))
1713
1714         dnl **************************************
1715         dnl * Darwin has a race that prevents us from using reliably:
1716         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1717         dnl * Since kqueue is mostly used for scaling large web servers, 
1718         dnl * and very few folks run Mono on large web servers on OSX, falling
1719         dnl * back 
1720         dnl **************************************
1721         if test x$havekqueue = xyes; then
1722                 if x$platform_darwin = xno; then
1723                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1724                 fi
1725         fi
1726
1727         dnl ******************************
1728         dnl *** Checks for SIOCGIFCONF ***
1729         dnl ******************************
1730         AC_CHECK_HEADERS(sys/ioctl.h)
1731         AC_CHECK_HEADERS(net/if.h, [], [],
1732            [
1733            #ifdef HAVE_SYS_TYPES_H
1734            # include <sys/types.h>
1735            #endif
1736            #ifdef HAVE_SYS_SOCKET_H
1737            # include <sys/socket.h>
1738            #endif
1739            ])
1740         AC_MSG_CHECKING(for ifreq)
1741         AC_TRY_COMPILE([
1742                 #include <stdio.h>
1743                 #include <sys/ioctl.h>
1744                 #include <net/if.h>
1745                 ], [
1746                 struct ifconf ifc;
1747                 struct ifreq *ifr;
1748                 void *x;
1749                 ifc.ifc_len = 0;
1750                 ifc.ifc_buf = NULL;
1751                 x = (void *) &ifr->ifr_addr;
1752                 ],[
1753                         AC_MSG_RESULT(yes)
1754                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1755                 ], [
1756                         AC_MSG_RESULT(no)
1757                 ])
1758         dnl **********************************
1759         dnl ***     Checks for sin_len     ***
1760         dnl **********************************
1761         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1762         AC_TRY_COMPILE([
1763                 #include <netinet/in.h>
1764                 ], [
1765                 struct sockaddr_in saddr;
1766                 saddr.sin_len = sizeof (saddr);
1767                 ],[
1768                         AC_MSG_RESULT(yes)
1769                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1770                 ], [
1771                         AC_MSG_RESULT(no)
1772                 ])      
1773         dnl **********************************
1774         dnl ***    Checks for sin6_len     ***
1775         dnl **********************************
1776         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1777         AC_TRY_COMPILE([
1778                 #include <netinet/in.h>
1779                 ], [
1780                 struct sockaddr_in6 saddr6;
1781                 saddr6.sin6_len = sizeof (saddr6);
1782                 ],[
1783                         AC_MSG_RESULT(yes)
1784                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1785                 ], [
1786                         AC_MSG_RESULT(no)
1787                 ])
1788         dnl **********************************
1789         dnl *** Check for getifaddrs       ***
1790         dnl **********************************
1791         AC_MSG_CHECKING(for getifaddrs)
1792                 AC_TRY_LINK([
1793                 #include <stdio.h>
1794                 #include <sys/types.h>
1795                 #include <sys/socket.h>
1796                 #include <ifaddrs.h>
1797         ], [
1798                 getifaddrs(NULL);
1799         ], [
1800                 # Yes, we have it...
1801                 AC_MSG_RESULT(yes)
1802                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1803         ], [
1804                 AC_MSG_RESULT(no)
1805         ])
1806         dnl **********************************
1807         dnl *** Check for if_nametoindex   ***
1808         dnl **********************************
1809         AC_MSG_CHECKING(for if_nametoindex)
1810                 AC_TRY_LINK([
1811                 #include <stdio.h>
1812                 #include <sys/types.h>
1813                 #include <sys/socket.h>
1814                 #include <net/if.h>
1815         ], [
1816                 if_nametoindex(NULL);
1817         ], [
1818                 # Yes, we have it...
1819                 AC_MSG_RESULT(yes)
1820                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1821         ], [
1822                 AC_MSG_RESULT(no)
1823         ])
1824                         
1825         dnl **********************************
1826         dnl *** Checks for MonoPosixHelper ***
1827         dnl **********************************
1828         AC_CHECK_HEADERS(checklist.h)
1829         AC_CHECK_HEADERS(pathconf.h)
1830         AC_CHECK_HEADERS(fstab.h)
1831         AC_CHECK_HEADERS(attr/xattr.h)
1832         AC_CHECK_HEADERS(sys/extattr.h)
1833         AC_CHECK_HEADERS(sys/sendfile.h)
1834         AC_CHECK_HEADERS(sys/statvfs.h)
1835         AC_CHECK_HEADERS(sys/statfs.h)
1836         AC_CHECK_HEADERS(sys/vfstab.h)
1837         AC_CHECK_HEADERS(sys/xattr.h)
1838         AC_CHECK_HEADERS(sys/mman.h)
1839         AC_CHECK_HEADERS(sys/param.h)
1840         AC_CHECK_HEADERS(sys/mount.h, [], [],
1841                 [
1842                 #ifdef HAVE_SYS_PARAM_H
1843                 # include <sys/param.h>
1844                 #endif
1845                 ])
1846         AC_CHECK_HEADERS(sys/mount.h)
1847         AC_CHECK_FUNCS(confstr)
1848         AC_CHECK_FUNCS(seekdir telldir)
1849         AC_CHECK_FUNCS(getdomainname)
1850         AC_CHECK_FUNCS(setdomainname)
1851         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1852         AC_CHECK_FUNCS(setgroups)
1853         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1854         AC_CHECK_FUNCS(getfsstat)
1855         AC_CHECK_FUNCS(lutimes futimes)
1856         AC_CHECK_FUNCS(mremap)
1857         AC_CHECK_FUNCS(remap_file_pages)
1858         AC_CHECK_FUNCS(posix_fadvise)
1859         AC_CHECK_FUNCS(posix_fallocate)
1860         AC_CHECK_FUNCS(posix_madvise)
1861         AC_CHECK_FUNCS(vsnprintf)
1862         AC_CHECK_FUNCS(sendfile)
1863         AC_CHECK_FUNCS(gethostid sethostid)
1864         AC_CHECK_FUNCS(sethostname)
1865         AC_CHECK_FUNCS(statfs)
1866         AC_CHECK_FUNCS(fstatfs)
1867         AC_CHECK_FUNCS(statvfs)
1868         AC_CHECK_FUNCS(fstatvfs)
1869         AC_CHECK_FUNCS(stime)
1870         AC_CHECK_FUNCS(strerror_r)
1871         AC_CHECK_FUNCS(ttyname_r)
1872         AC_CHECK_FUNCS(psignal)
1873         AC_CHECK_FUNCS(getlogin_r)
1874         AC_CHECK_FUNCS(lockf)
1875         AC_CHECK_FUNCS(swab)
1876         AC_CHECK_FUNCS(setusershell endusershell)
1877         AC_CHECK_SIZEOF(size_t)
1878         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
1879                 [#include <sys/types.h>
1880                  #include <sys/stat.h>
1881                  #include <unistd.h>])
1882         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1883                 [#include <sys/types.h>
1884                  #include <sys/stat.h>
1885                  #include <unistd.h>])
1886         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1887                 [#include <sys/time.h>])
1888         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
1889                 [#include <unistd.h>
1890                  #include <fcntl.h>])
1891         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1892                 [#include <sys/poll.h>])
1893         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1894                 [#include <sys/types.h>
1895                  #include <sys/stat.h>
1896                  #include <unistd.h>])
1897         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
1898                 [#include <time.h>])
1899         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1900                 [#include <sys/time.h>
1901                  #include <sys/types.h>
1902                  #include <utime.h>])
1903         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1904                 [#include <sys/time.h>])
1905         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
1906                 [#include <sys/types.h>
1907                  #include <utime.h>])
1908         AC_CHECK_MEMBERS(
1909                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
1910                 [#include <sys/types.h>
1911                  #include <dirent.h>])
1912         AC_CHECK_MEMBERS(
1913                 [struct passwd.pw_gecos],,, 
1914                 [#include <sys/types.h>
1915                  #include <pwd.h>])
1916         AC_CHECK_MEMBERS(
1917                 [struct statfs.f_flags],,, 
1918                 [#include <sys/types.h>
1919                  #include <sys/vfs.h>])
1920
1921         dnl Favour xattr through glibc, but use libattr if we have to
1922         AC_CHECK_FUNC(lsetxattr, ,
1923                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1924         )
1925         AC_SUBST(XATTR_LIB)
1926
1927         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
1928         AC_CHECK_MEMBERS(
1929                 [struct kinfo_proc.kp_proc],,, 
1930                 [#include <sys/types.h>
1931                  #include <sys/param.h>
1932                  #include <sys/sysctl.h>
1933                  #include <sys/proc.h>
1934                  ])
1935
1936         dnl *********************************
1937         dnl *** Checks for Windows compilation ***
1938         dnl *********************************
1939         AC_CHECK_HEADERS(sys/time.h)
1940         AC_CHECK_HEADERS(sys/param.h)
1941         AC_CHECK_HEADERS(dirent.h)
1942
1943         dnl *********************************
1944         dnl *** Check for Console 2.0 I/O ***
1945         dnl *********************************
1946         AC_CHECK_HEADERS([curses.h])
1947         AC_CHECK_HEADERS([term.h], [], [],
1948         [#if HAVE_CURSES_H
1949          #include <curses.h>
1950          #endif
1951         ])
1952         AC_CHECK_HEADERS([termios.h])
1953
1954         dnl * This is provided in io-layer, but on windows it's only available
1955         dnl * on xp+
1956         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1957 else
1958         dnl *********************************
1959         dnl *** Checks for Windows compilation ***
1960         dnl *********************************
1961         AC_CHECK_HEADERS(winternl.h)
1962
1963         jdk_headers_found=no
1964         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1965         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1966         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1967         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
1968         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1969         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
1970         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
1971
1972         dnl *********************************
1973         dnl *** Check for struct ip_mreqn ***
1974         dnl *********************************
1975         AC_MSG_CHECKING(for struct ip_mreqn)
1976         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1977                 struct ip_mreqn mreq;
1978                 mreq.imr_address.s_addr = 0;
1979         ], [
1980                 # Yes, we have it...
1981                 AC_MSG_RESULT(yes)
1982                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1983         ], [
1984                 # We'll just have to try and use struct ip_mreq
1985                 AC_MSG_RESULT(no)
1986                 AC_MSG_CHECKING(for struct ip_mreq)
1987                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1988                         struct ip_mreq mreq;
1989                         mreq.imr_interface.s_addr = 0;
1990                 ], [
1991                         # Yes, we have it...
1992                         AC_MSG_RESULT(yes)
1993                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1994                 ], [
1995                         # No multicast support
1996                         AC_MSG_RESULT(no)
1997                 ])
1998         ])
1999         AC_CHECK_FUNCS(GetProcessId)
2000 fi
2001
2002 dnl socklen_t check
2003 AC_MSG_CHECKING(for socklen_t)
2004 AC_TRY_COMPILE([
2005 #include <sys/types.h>
2006 #include <sys/socket.h>
2007 ],[
2008   socklen_t foo;
2009 ],[
2010 ac_cv_c_socklen_t=yes
2011         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2012         AC_MSG_RESULT(yes)
2013 ],[
2014         AC_MSG_RESULT(no)
2015 ])
2016
2017 AC_MSG_CHECKING(for array element initializer support)
2018 AC_TRY_COMPILE([#include <sys/socket.h>], [
2019         const int array[] = {[1] = 2,};
2020 ], [
2021         # Yes, we have it...
2022         AC_MSG_RESULT(yes)
2023         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2024 ], [
2025         # We'll have to use signals
2026         AC_MSG_RESULT(no)
2027 ])
2028
2029 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2030         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2031         AC_TRY_LINK([#include <math.h>], 
2032         [ static void *p = &trunc; ],
2033         [
2034                 AC_DEFINE(HAVE_TRUNC) 
2035                 AC_MSG_RESULT(yes)
2036                 ac_cv_trunc=yes
2037         ],
2038         AC_MSG_RESULT(no)))
2039
2040 if test "x$ac_cv_truncl" != "xyes"; then
2041    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2042 fi
2043
2044 AC_CHECK_FUNCS(round)
2045 AC_CHECK_FUNCS(rint)
2046 AC_CHECK_FUNCS(execvp)
2047
2048 dnl ****************************
2049 dnl *** Look for /dev/random ***
2050 dnl ****************************
2051
2052 AC_MSG_CHECKING([if usage of random device is requested])
2053 AC_ARG_ENABLE(dev-random,
2054 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2055 try_dev_random=$enableval, try_dev_random=yes)
2056
2057 AC_MSG_RESULT($try_dev_random)
2058
2059 case "{$build}" in
2060     *-openbsd*)
2061     NAME_DEV_RANDOM="/dev/srandom"
2062     ;;
2063
2064 dnl Win32 does not have /dev/random, they have their own method...
2065
2066     *-mingw*|*-*-cygwin*)
2067     ac_cv_have_dev_random=no
2068     ;;
2069
2070 dnl Everywhere else, it's /dev/random
2071
2072     *)
2073     NAME_DEV_RANDOM="/dev/random"
2074     ;;
2075 esac
2076
2077 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2078
2079 dnl Now check if the device actually exists
2080
2081 if test "x$try_dev_random" = "xyes"; then
2082     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2083     [if test -r "$NAME_DEV_RANDOM" ; then
2084         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2085     if test "x$ac_cv_have_dev_random" = "xyes"; then
2086         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2087     fi
2088 else
2089     AC_MSG_CHECKING(for random device)
2090     ac_cv_have_dev_random=no
2091     AC_MSG_RESULT(has been disabled)
2092 fi
2093
2094 if test "x$host_win32" = "xyes"; then
2095     AC_DEFINE(HAVE_CRYPT_RNG)
2096 fi
2097
2098 if test "x$ac_cv_have_dev_random" = "xno" \
2099     && test "x$host_win32" = "xno"; then
2100     AC_MSG_WARN([[
2101 ***
2102 *** A system-provided entropy source was not found on this system.
2103 *** Because of this, the System.Security.Cryptography random number generator
2104 *** will throw a NotImplemented exception.
2105 ***
2106 *** If you are seeing this message, and you know your system DOES have an
2107 *** entropy collection in place, please contact <crichton@gimp.org> and
2108 *** provide information about the system and how to access the random device.
2109 ***
2110 *** Otherwise you can install either egd or prngd and set the environment
2111 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2112 ***]])
2113 fi
2114  
2115 AC_MSG_CHECKING([if inter-process shared handles are requested])
2116 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2117 AC_MSG_RESULT($try_shared_handles)
2118 if test "x$try_shared_handles" != "xyes"; then
2119         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2120         AC_SUBST(DISABLE_SHARED_HANDLES)
2121 fi
2122
2123 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2124
2125 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2126 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2127
2128 AC_MSG_CHECKING([if big-arrays are to be enabled])
2129 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2130 if test "x$enable_big_arrays" = "xyes" ; then
2131     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2132         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2133     else
2134         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2135     fi
2136 fi
2137 AC_MSG_RESULT($enable_big_arrays)
2138
2139 dnl **************
2140 dnl *** DTRACE ***
2141 dnl **************
2142
2143 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2144
2145 if test "x$enable_dtrace" = "xyes"; then
2146    if test "x$has_dtrace" = "xno"; then
2147           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2148    fi
2149    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2150    if test "x$DTRACE" = "xno"; then
2151           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2152           enable_dtrace=no
2153    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2154           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2155           enable_dtrace=no
2156    fi
2157 fi
2158
2159 dtrace_g=no
2160 if test "x$enable_dtrace" = "xyes"; then
2161         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2162         DTRACEFLAGS=
2163         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2164                 case "$host" in
2165                         powerpc-*-darwin*)
2166                         DTRACEFLAGS="-arch ppc64"
2167                         ;;
2168                         i*86-*-darwin*)
2169                         DTRACEFLAGS="-arch x86_64"
2170                         ;;
2171                         *)
2172                         DTRACEFLAGS=-64
2173                         ;;
2174                 esac
2175         else
2176                 case "$host" in
2177                         powerpc-*-darwin*)
2178                         DTRACEFLAGS="-arch ppc"
2179                         ;;
2180                         i*86-*-darwin*)
2181                         DTRACEFLAGS="-arch i386"
2182                         ;;
2183                         *)
2184                         DTRACEFLAGS=-32
2185                         ;;
2186                 esac
2187         fi
2188         AC_SUBST(DTRACEFLAGS)
2189         case "$host" in
2190                 *-*-solaris*)
2191                 dtrace_g=yes
2192                 ;;
2193         esac
2194         AC_CHECK_HEADERS([sys/sdt.h])
2195 fi
2196 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2197 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2198
2199 dnl **************
2200 dnl ***  NaCl  ***
2201 dnl **************
2202
2203 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2204 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2205
2206 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2207 if test "x$enable_nacl_codegen" = "xyes"; then
2208    MONO_NACL_ALIGN_MASK_OFF=1
2209    CPPFLAGS="$CPPFLAGS -D__native_client_codegen__"
2210    AC_DEFINE(TARGET_NACL, 1, [...])
2211 else
2212    MONO_NACL_ALIGN_MASK_OFF=0
2213    CPPFLAGS="$CPPFLAGS -D__default_codegen__"
2214 fi
2215 if test "x$enable_nacl_gc" = "xyes"; then
2216    CPPFLAGS="$CPPFLAGS -finstrument-for-thread-suspension -D__native_client_gc__"
2217 fi
2218 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2219
2220 dnl **************
2221 dnl ***  LLVM  ***
2222 dnl **************
2223
2224 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2225 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2226
2227 if test "x$enable_llvm" = "xyes"; then
2228    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2229    if test "x$LLVM_CONFIG" = "xno"; then
2230           AC_MSG_ERROR([llvm-config not found.])
2231    fi
2232
2233    llvm_codegen="x86codegen"
2234    case "$target" in
2235    arm*)
2236                 llvm_codegen="armcodegen"
2237                 ;;
2238    esac
2239
2240
2241    # The output of --cflags seems to include optimizations flags too
2242    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2243    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2244    # from LLVM classes.
2245    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2246    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2247    LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2248    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2249
2250    # Should be something like '2.6' or '2.7svn'
2251    llvm_version=`$LLVM_CONFIG --version`
2252    major_version=`echo $llvm_version | cut -c 1`
2253    minor_version=`echo $llvm_version | cut -c 3`
2254    AC_MSG_CHECKING(LLVM version)
2255    AC_MSG_RESULT($llvm_version)
2256    if echo $llvm_version | grep -q 'mono'; then
2257           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2258           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"       
2259    else
2260           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.])
2261    fi
2262
2263    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2264    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2265    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2266
2267    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2268    # llvm's config.h
2269    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2270
2271    AC_SUBST(LLVM_CFLAGS)
2272    AC_SUBST(LLVM_CXXFLAGS)
2273    AC_SUBST(LLVM_LIBS)
2274    AC_SUBST(LLVM_LDFLAGS)
2275    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2276 fi
2277
2278 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2279 if test "x$enable_loadedllvm" = "xyes"; then
2280    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2281 fi
2282 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2283
2284 TARGET="unknown"
2285 ACCESS_UNALIGNED="yes"
2286
2287 JIT_SUPPORTED=no
2288 INTERP_SUPPORTED=no
2289 LIBC="libc.so.6"
2290 INTL="libc.so.6"
2291 SQLITE="libsqlite.so.0"
2292 SQLITE3="libsqlite3.so.0"
2293 X11="libX11.so"
2294
2295 sizeof_register="SIZEOF_VOID_P"
2296
2297 jit_wanted=true
2298 interp_wanted=false
2299 sgen_supported=false
2300 case "$host" in
2301 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
2302 #               TARGET=MIPS;
2303 #               ACCESS_UNALIGNED="no"
2304 #               ;;
2305         mips*)
2306                 TARGET=MIPS;
2307                 arch_target=mips;
2308                 sgen_supported=true
2309                 ACCESS_UNALIGNED="no"
2310                 JIT_SUPPORTED=yes
2311
2312                 AC_MSG_CHECKING(for mips n32)
2313                 AC_TRY_COMPILE([],[
2314                 #if _MIPS_SIM != _ABIN32
2315                 #error Not mips n32
2316                 #endif
2317                 return 0;
2318                 ],[
2319                 AC_MSG_RESULT(yes)
2320                 sizeof_register=8
2321                 ],[
2322                 AC_MSG_RESULT(no)
2323                 ])
2324                 ;;
2325         i*86-*-*)
2326                 TARGET=X86;
2327                 arch_target=x86;
2328                 JIT_SUPPORTED=yes
2329                 case $host_os in
2330                   solaris*)
2331                         LIBC="libc.so"
2332                         INTL="libintl.so"
2333                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2334                                 TARGET=AMD64
2335                                 arch_target=amd64
2336                         fi
2337
2338                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2339                         # int astruct __attribute__ ((visibility ("hidden")));
2340                         # void foo ()
2341                         # {
2342                         #       void *p = &astruct;
2343                         # }
2344                         # gcc -fPIC --shared -o libfoo.so foo.c
2345                         # yields:
2346                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2347                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2348                         have_visibility_hidden=no
2349                         sgen_supported=true
2350                         ;;
2351                   cygwin*)
2352                         sgen_supported=true
2353                         have_visibility_hidden=no                 
2354                         ;;
2355                   haiku*)
2356                         LIBC=libroot.so
2357                         ;;
2358                   linux*)
2359                         sgen_supported=true
2360                         AOT_SUPPORTED="yes"
2361                         ;;
2362                   darwin*)
2363                         sgen_supported=true
2364                         AOT_SUPPORTED="yes"
2365                         ;;
2366                   darwin*|openbsd*|freebsd*)
2367                         sgen_supported=true
2368                         ;;
2369                 esac
2370                 ;;
2371         x86_64-*-* | amd64-*-*)
2372                 TARGET=AMD64;
2373                 arch_target=amd64;
2374                 JIT_SUPPORTED=yes
2375                 case $host_os in
2376                   linux*)
2377                         sgen_supported=true
2378                         AOT_SUPPORTED="yes"
2379                         ;;
2380                   darwin*|openbsd*|freebsd*)
2381                         sgen_supported=true
2382                         ;;
2383                 esac
2384                 case "$host" in
2385                         x86_64-*-nacl*)
2386                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2387                                 sizeof_register=8
2388                                 ;;
2389                 esac
2390                 ;;
2391         ia64-*-*)
2392                 TARGET=IA64
2393                 arch_target=ia64
2394                 ACCESS_UNALIGNED="no"
2395                 JIT_SUPPORTED=yes
2396                 LIBC="libc.so.6.1"
2397                 INTL="libc.so.6.1"
2398                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2399                 libmono_ldflags="-lunwind"
2400                 ;;
2401         sparc*-*-*)
2402                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2403                    TARGET=SPARC64
2404                 else
2405                         TARGET=SPARC
2406                 fi
2407                 arch_target=sparc;
2408                 JIT_SUPPORTED=yes
2409                 ACCESS_UNALIGNED="no"
2410                 case $host_os in
2411                   linux*) ;;
2412                   *)
2413                         LIBC="libc.so"
2414                         INTL="libintl.so"
2415                 esac
2416                 if test x"$GCC" = xyes; then
2417                         # We don't support v8 cpus
2418                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2419                 fi
2420                 if test x"$AR" = xfalse; then
2421                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2422                 fi
2423                 sgen_supported=true
2424                 ;;
2425        alpha*-*-linux* | alpha*-*-osf*)
2426                 TARGET=ALPHA;
2427                 ACCESS_UNALIGNED="no"
2428                 JIT_SUPPORTED=yes
2429                 arch_target=alpha;
2430                 CFLAGS="$CFLAGS -mieee -O0"
2431                 case $host_os in
2432                   linux*)
2433                         LIBC="libc.so.6.1"
2434                         INTL="libc.so.6.1"
2435                 esac
2436                ;;
2437         *-mingw*|*-*-cygwin*)
2438                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2439                 have_visibility_hidden=no
2440                 INTL="intl"
2441                 ;;
2442         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
2443                 TARGET=HPPA;
2444                 arch_target=hppa; 
2445                 LIBC="libc.sl"
2446                 ACCESS_UNALIGNED="no"
2447                 INTERP_SUPPORTED=yes
2448                 interp_wanted=true
2449                 ;;
2450         hppa*linux*)
2451                 TARGET=HPPA;
2452                 arch_target=hppa; 
2453                 ACCESS_UNALIGNED="no"
2454                 JIT_SUPPORTED=yes
2455                 ;;
2456         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2457         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2458                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2459                         TARGET=POWERPC64;
2460                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2461                         CFLAGS="$CFLAGS -mminimal-toc"
2462                 else
2463                         TARGET=POWERPC;
2464                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2465                 fi
2466                 arch_target=ppc;
2467                 JIT_SUPPORTED=yes
2468                 case $host_os in
2469                   linux*|darwin*)
2470                         sgen_supported=true
2471                         ;;
2472                 esac
2473                 ;;
2474         arm*-darwin*)
2475                 TARGET=ARM;
2476                 arch_target=arm;
2477                 ACCESS_UNALIGNED="no"
2478                 JIT_SUPPORTED=yes
2479                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2480                 # libgc's gc_locks.h depends on this
2481             NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2482                 sgen_supported=true
2483                 ;;
2484         arm*-linux*)
2485                 TARGET=ARM;
2486                 arch_target=arm;
2487                 ACCESS_UNALIGNED="no"
2488                 JIT_SUPPORTED=yes
2489                 sgen_supported=true
2490                 AOT_SUPPORTED="yes"
2491                 ;;
2492         s390-*-linux*)
2493                 TARGET=S390;
2494                 arch_target=s390;
2495                 ACCESS_UNALIGNED="yes"
2496                 JIT_SUPPORTED=yes
2497                 sgen_supported=true
2498                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
2499                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2500                 ;;
2501         s390x-*-linux*)
2502                 TARGET=S390x;
2503                 arch_target=s390x;
2504                 ACCESS_UNALIGNED="yes"
2505                 JIT_SUPPORTED=yes
2506                 sgen_supported=true
2507                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2508                 ;;
2509 esac
2510
2511 HOST=$TARGET
2512
2513 if test "x$host" != "x$target"; then
2514    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2515    enable_mcs_build=no
2516    case "$target" in
2517    arm*-darwin*)
2518                 TARGET=ARM;
2519                 arch_target=arm;
2520                 ACCESS_UNALIGNED="no"
2521                 JIT_SUPPORTED=yes
2522                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2523                 jit_wanted=true
2524                 # Can't use tls, since it depends on the runtime detection of tls offsets
2525                 # in mono-compiler.h
2526                 with_tls=pthread
2527                 ;;
2528    powerpc64-ps3-linux-gnu)
2529                 TARGET=POWERPC64
2530                 arch_target=powerpc64
2531                 AC_DEFINE(TARGET_PS3, 1, [...])
2532                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2533                 # uses this define
2534                 AC_DEFINE(__mono_ppc64__, 1, [...])
2535                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2536                 sizeof_register=8
2537                 target_byte_order=G_BIG_ENDIAN
2538                 ;;
2539
2540    powerpc64-xbox360-linux-gnu)
2541                 TARGET=POWERPC64
2542                 arch_target=powerpc64
2543                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2544                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2545                 # uses this define
2546                 sizeof_register=8
2547                 target_byte_order=G_BIG_ENDIAN
2548                 ;;
2549    x86_64-*-nacl)
2550                 TARGET=AMD64
2551                 arch_target=amd64
2552                 AC_DEFINE(TARGET_AMD64, 1, [...])
2553                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2554                 sizeof_register=8
2555                 ;;
2556    *-*-nacl)
2557                 TARGET=X86
2558                 arch_target=x86
2559                 AC_DEFINE(TARGET_X86, 1, [...])
2560                 sizeof_register=4
2561                 ;;
2562    arm*-unknown-linux-*)
2563                 TARGET=ARM;
2564                 arch_target=arm;
2565                 AC_DEFINE(TARGET_ARM, 1, [...])
2566                 ACCESS_UNALIGNED="no"
2567                 JIT_SUPPORTED=yes
2568                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2569                 jit_wanted=true
2570                 # Can't use tls, since it depends on the runtime detection of tls offsets
2571                 # in mono-compiler.h
2572                 with_tls=pthread
2573                 target_mach=no
2574                 case "$target" in
2575                 armv7l-unknown-linux-gnueabi*)
2576                         # TEGRA
2577                         CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1"
2578                         ;;
2579                 armv5-*-linux-androideabi*)
2580                         AC_DEFINE(TARGET_ANDROID, 1, [...])
2581                         CPPFLAGS="$CPPFLAGS -DARM_FPU_NONE"
2582                         ;;
2583                 esac
2584                 ;;
2585         *)
2586                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2587         esac
2588 fi
2589
2590 # FIXME: Define the others as well
2591 case "$TARGET" in
2592 X86)
2593         AC_DEFINE(TARGET_X86, 1, [...])
2594         ;;
2595 AMD64)
2596         AC_DEFINE(TARGET_AMD64, 1, [...])
2597         ;;
2598 ARM)
2599         AC_DEFINE(TARGET_ARM, 1, [...])
2600         ;;
2601 POWERPC)
2602         AC_DEFINE(TARGET_POWERPC, 1, [...])
2603         ;;
2604 POWERPC64)
2605         AC_DEFINE(TARGET_POWERPC, 1, [...])
2606         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2607         ;;
2608 S390x)
2609         AC_DEFINE(TARGET_S390X, 1, [...])
2610         ;;
2611 MIPS)
2612         AC_DEFINE(TARGET_MIPS, 1, [...])
2613         ;;
2614 esac
2615
2616 if test "x$target_mach" = "xyes"; then
2617         AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2618         #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2619         #error fail this for ios
2620         #endif
2621         return 0;
2622         ], [
2623                 AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2624                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2625                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2626         ], [
2627                 AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2628                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2629                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2630         ])
2631
2632    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2633 fi
2634
2635 if test "x$sizeof_register" = "x4"; then
2636    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2637 elif test "x$sizeof_register" = "x8"; then
2638    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2639 else
2640    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2641 fi
2642
2643 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2644    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2645 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2646    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2647 else
2648    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2649 fi
2650
2651 if test "x$have_visibility_hidden" = "xyes"; then
2652    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2653 fi
2654
2655 if test "x$have_deprecated" = "xyes"; then
2656    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2657 fi
2658
2659 dnl 
2660 dnl Simple Generational checks (sgen)
2661 dnl
2662 if $sgen_supported; then
2663    build_sgen_default=yes
2664 else
2665    build_sgen_default=no
2666 fi
2667 SGEN_DEFINES=
2668 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2669 if test x$buildsgen = xyes; then
2670    if $sgen_supported; then
2671        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2672        gc_msg="sgen and $gc_msg"
2673    else
2674        buildsgen=no
2675        AC_MSG_WARN("Sgen is not supported on this platform")
2676    fi
2677 fi
2678 AC_SUBST(SGEN_DEFINES)
2679 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2680
2681 USEJIT=false
2682 if test x$JIT_SUPPORTED = xyes; then
2683    if $jit_wanted; then
2684       USEJIT=true
2685       jit_status="Building and using the JIT"
2686    else
2687       if $interp_wanted; then
2688          jit_status="Building the JIT, defaulting to the interpreter"
2689       else
2690          AC_ERROR(No JIT or interpreter support available or selected.)
2691       fi
2692    fi
2693 else
2694    if test x$interp_wanted = xtrue; then
2695       jit_status="interpreter"
2696    else
2697       AC_ERROR(No JIT or interpreter support available or selected.)
2698    fi
2699 fi
2700
2701 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2702
2703 libsuffix=".so"
2704
2705 case "$host" in
2706      *-*-darwin*)
2707         libsuffix=".dylib"
2708         LIBC="libc.dylib"
2709         INTL="libintl.dylib"
2710         SQLITE="libsqlite.0.dylib"
2711         SQLITE3="libsqlite3.0.dylib"
2712         X11="libX11.dylib"
2713         ;;
2714      *-*-*netbsd*)
2715         LIBC="libc.so.12"
2716         INTL="libintl.so.0"
2717         ;;
2718     *-*-*freebsd*)
2719         LIBC="libc.so"
2720         INTL="libintl.so"
2721         SQLITE="libsqlite.so"
2722         SQLITE3="libsqlite3.so"
2723         ;;
2724     *-*-*openbsd*)
2725         LIBC="libc.so"
2726         INTL="libintl.so"
2727         SQLITE="libsqlite.so"
2728         SQLITE3="libsqlite3.so"
2729         ;;
2730     *-*-*linux*)
2731         AC_PATH_X
2732         AC_MSG_CHECKING(for the soname of libX11.so)
2733         for i in $x_libraries /usr/lib /usr/lib64; do
2734                 for r in 4 5 6; do
2735                         if test -f $i/libX11.so.$r; then
2736                                 X11=libX11.so.$r
2737                                 AC_MSG_RESULT($X11)
2738                         fi
2739                 done
2740         done
2741         
2742         if test "x$X11" = "xlibX11.so"; then
2743                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2744                 X11=libX11.so.6
2745         fi
2746         ;;
2747 esac
2748
2749
2750 AC_SUBST(libsuffix)
2751
2752 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2753         if test "x$with_tls" = "x__thread"; then
2754                 #
2755                 # On some linux distributions, TLS works in executables, but linking 
2756                 # against a shared library containing TLS fails with:
2757                 # undefined reference to `__tls_get_addr'
2758                 #
2759                 rm -f conftest.c conftest.so conftest
2760                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
2761                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2762                 $CC -o conftest conftest.so > /dev/null 2>&1
2763                 if test ! -f conftest; then
2764                    AC_MSG_WARN([Disabling usage of __thread.]);
2765                    with_tls=pthread
2766                 fi
2767                 rm -f conftest.c conftest.so conftest
2768         fi
2769 fi
2770
2771 mono_debugger_supported=no
2772 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
2773 if test "x$try_mono_debugger" = "xyes"; then
2774         if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA" -o "x$TARGET" = "xS390x"; then
2775                 if test x$use_included_gc = xyes; then
2776                         case "$host" in
2777                         *-*-*linux*)
2778                                 mono_debugger_supported=yes
2779                                 ;;
2780                         *86-apple-darwin*)
2781                                 mono_debugger_supported=yes
2782                                 ;;              
2783                         esac
2784                 fi
2785         fi
2786 fi
2787
2788 # disable the debugger entirely when building with moonlight
2789 if test "x$with_moonlight" != "xno"; then
2790         mono_debugger_supported=no
2791 fi
2792
2793 # mdb support for sgen is broken, disable it until further notice.
2794 mono_debugger_supported=no
2795
2796 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2797 if test "x$mono_debugger_supported" = "xyes"; then
2798         BOEHM_DEFINES="$BOEHM_DEFINES -DMONO_DEBUGGER_SUPPORTED"
2799         NESTED_LIBGC_FLAGS="-DMONO_DEBUGGER_SUPPORTED"
2800 fi
2801 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2802 AC_MSG_RESULT($mono_debugger_supported)
2803
2804 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
2805 if test "x$icall_symbol_map" = "xyes"; then
2806    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
2807 fi
2808
2809 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
2810 if test "x$icall_export" = "xyes"; then
2811    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
2812 fi
2813
2814 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
2815 if test "x$icall_tables" = "xno"; then
2816    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
2817 fi
2818
2819 if test "x$mono_cv_clang" = "xyes"; then
2820    # FIXME: This causes many compilation errors
2821    with_tls=pthread
2822 fi
2823
2824 if test "x$with_tls" = "x__thread"; then
2825         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2826         # Pass the information to libgc
2827         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2828         AC_MSG_CHECKING(if the tls_model attribute is supported)
2829         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2830                 ], [
2831                         AC_MSG_RESULT(yes)
2832                         # CLANG doesn't support this yet, and it prints warnings about it
2833                         if test "x$mono_cv_clang" = "xno"; then
2834                                 AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
2835                         fi
2836                 ], [
2837                         AC_MSG_RESULT(no)
2838         ])
2839 fi
2840
2841 if test ${TARGET} = ARM && test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2842         dnl ******************************************
2843         dnl *** Check to see what FPU is available ***
2844         dnl ******************************************
2845         AC_MSG_CHECKING(which FPU to use)
2846
2847         fpu=NONE
2848         if gcc -v 2>&1 | grep -q -- '--with-float=hard'; then
2849            fpu=VFP_HARD
2850         fi
2851
2852         if test x$fpu = xNONE; then
2853            ORIG_CFLAGS=$CFLAGS
2854            CFLAGS="$CFLAGS -mfpu=vfp -mfloat-abi=softfp"
2855            AC_TRY_RUN([
2856                                 int main () { __asm__ ("faddd   d7, d6, d7"); return 0; }
2857                                 ], fpu=VFP, fpu=NONE)
2858            CFLAGS=$ORIG_CFLAGS
2859         fi
2860
2861         if test x$fpu = xNONE; then
2862                 AC_TRY_COMPILE([], [
2863                         __asm__ ("ldfd f0, [r0]");
2864                         ], fpu=FPA, fpu=NONE)
2865         fi
2866
2867         AC_MSG_RESULT($fpu)
2868         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
2869         unset fpu
2870
2871         AC_MSG_CHECKING(for ARMV6)
2872         AC_TRY_RUN([
2873                 int main () { __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : "memory"); return 0; }
2874                         ], armv6=yes, armv6=no)
2875
2876         AC_MSG_RESULT($armv6)
2877         if test ${armv6} = yes; then
2878            AC_DEFINE(HAVE_ARMV6, 1, "Host supports ARMV6 instructions")
2879            # libgc's gc_locks.h depends on this
2880            NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2881         fi
2882 fi
2883
2884 if test ${TARGET} = unknown; then
2885         CPPFLAGS="$CPPFLAGS -DNO_PORT"
2886         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
2887 fi
2888
2889 if test ${ACCESS_UNALIGNED} = no; then
2890         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
2891 fi
2892
2893 case "x$gc" in
2894         xincluded)
2895                 # Pass CPPFLAGS to libgc configure
2896                 # We should use a separate variable for this to avoid passing useless and
2897                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
2898                 # This should be executed late so we pick up the final version of CPPFLAGS
2899                 # The problem with this approach, is that during a reconfigure, the main
2900                 # configure scripts gets invoked with these arguments, so we use separate
2901                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
2902                 TMP_CPPFLAGS="$CPPFLAGS $NESTED_LIBGC_FLAGS"
2903                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
2904                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
2905                 fi
2906                 # Don't pass -finstrument-for-thread-suspension in, 
2907                 # if these are instrumented it will be very bad news 
2908                 # (infinite recursion, undefined parking behavior, etc)
2909                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
2910                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
2911                 AC_CONFIG_SUBDIRS(libgc)
2912                 ;;
2913 esac
2914
2915 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
2916 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
2917 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
2918 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
2919 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
2920 AC_ARG_WITH(mobile,    [  --with-mobile=yes,no            If you want to build the Mobile assemblies (defaults to no)],        [], [with_mobile=no])
2921
2922 OPROFILE=no
2923 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
2924         if test x$with_oprofile != xno; then
2925             oprofile_include=$with_oprofile/include
2926             if test ! -f $oprofile_include/opagent.h; then
2927                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
2928                 fi
2929             OPROFILE=yes
2930                 OPROFILE_CFLAGS="-I$oprofile_include"
2931             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
2932             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
2933         fi
2934 ])
2935
2936 MALLOC_MEMPOOLS=no
2937 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
2938         if test x$with_malloc_mempools = xyes; then
2939                 MALLOC_MEMPOOLS=yes
2940                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
2941         fi
2942 ])
2943
2944
2945 DISABLE_MCS_DOCS=no
2946 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
2947         if test x$with_mcs_docs != xyes; then
2948                 DISABLE_MCS_DOCS=yes
2949         fi
2950 ])
2951 if test x$with_profile4 != xyes; then
2952         DISABLE_MCS_DOCS=yes
2953 fi
2954
2955 MOONLIGHT_DEFINES=
2956 AC_ARG_WITH(moonlight, [  --with-moonlight=yes|no|only         If you want to build Mono for Moonlight (defaults to no)],[
2957         if test x$with_moonlight != xno; then
2958         MOONLIGHT_DEFINES="-DMOONLIGHT -DDISABLE_ASSEMBLY_REMAPPING "
2959         fi
2960 ], [with_moonlight=no])
2961 AC_SUBST(MOONLIGHT_DEFINES)
2962
2963 AC_ARG_WITH(moon_gc, [  --with-moon-gc=boehm,sgen               Select the gc to use with Moonlight (defaults to boehm)],[
2964         if test "x$with_moon_gc" != "xsgen"; then
2965                 with_moon_gc=boehm
2966         fi
2967 ], [with_moon_gc=boehm])
2968
2969 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)],[
2970         if test x$with_lazy_gc_thread_creation != xno ; then
2971                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
2972         fi
2973 ], [with_lazy_gc_thread_creation=no])
2974
2975 AC_CHECK_HEADER([malloc.h], 
2976                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
2977                         [Define to 1 if you have /usr/include/malloc.h.])],,)
2978
2979 if test x"$GCC" = xyes; then
2980         # Implicit function declarations are not 64 bit safe
2981         # Do this late, since this causes lots of configure tests to fail
2982         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
2983         # jay has a lot of implicit declarations
2984         JAY_CFLAGS="-Wno-implicit-function-declaration"
2985 fi
2986
2987 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
2988 # instead of libmono-static.a
2989 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
2990    LIBMONO_LA=libmini-static.la
2991 else
2992    LIBMONO_LA=libmono-$API_VER.la
2993 fi
2994 AC_SUBST(LIBMONO_LA)
2995
2996 dnl
2997 dnl Consistency settings
2998 dnl
2999 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3000    DISABLE_MCS_DOCS=yes
3001    with_profile2=no
3002    with_profile4=no
3003    with_profile4_5=no
3004    with_monodroid=no
3005    with_monotouch=no
3006 fi
3007
3008 if test x$DISABLE_MCS_DOCS = xyes; then
3009    docs_dir=""
3010 else
3011    docs_dir=docs
3012 fi
3013 AC_SUBST(docs_dir)
3014
3015 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3016 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3017
3018 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3019 AC_SUBST(OPROFILE_CFLAGS)
3020 AC_SUBST(OPROFILE_LIBS)
3021
3022 libmono_ldflags="$libmono_ldflags $LIBS"
3023
3024 AM_CONDITIONAL(MOONLIGHT, [test "x$with_moonlight" != "xno"])
3025
3026 AM_CONDITIONAL(ONLY_MOONLIGHT, [test "x$with_moonlight" = "xonly"])
3027 AM_CONDITIONAL(MOONLIGHT_BOEHM, [test "x$with_moon_gc" = "xboehm"])
3028 AM_CONDITIONAL(MOONLIGHT_SGEN, [test "x$with_moon_gc" = "xsgen"])
3029
3030 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3031 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3032 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3033 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3034 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3035 AM_CONDITIONAL(INSTALL_MOBILE, [test "x$with_mobile" = xyes])
3036 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3037
3038 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3039 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3040 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3041 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3042 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3043 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3044 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
3045 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3046 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
3047 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3048 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3049 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3050 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3051 AM_CONDITIONAL(S390, test x$TARGET = xS390)
3052 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
3053 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
3054 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3055 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3056 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3057 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3058
3059 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3060 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3061 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3062
3063 AC_SUBST(LIBC)
3064 AC_SUBST(INTL)
3065 AC_SUBST(SQLITE)
3066 AC_SUBST(SQLITE3)
3067 AC_SUBST(X11)
3068 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3069 AC_SUBST(arch_target)
3070 AC_SUBST(CFLAGS)
3071 AC_SUBST(CPPFLAGS)
3072 AC_SUBST(LDFLAGS)
3073
3074 mono_build_root=`pwd`
3075 AC_SUBST(mono_build_root)
3076
3077 if test x$USEJIT = xtrue; then
3078   mono_runtime=mono/mini/mono
3079 else
3080   mono_runtime=mono/interpreter/mint
3081 fi
3082 AC_SUBST(mono_runtime)
3083
3084 mono_cfg_root=$mono_build_root/runtime
3085 if test x$host_win32 = xyes; then
3086   if test "x$cross_compiling" = "xno"; then
3087     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3088   else
3089     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3090   fi
3091 else
3092   mono_cfg_dir=$mono_cfg_root/etc
3093 fi
3094 AC_SUBST(mono_cfg_dir)
3095
3096 AC_CONFIG_FILES([po/mcs/Makefile.in])
3097
3098 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3099 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3100
3101 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3102 [   depth=../../../..
3103     case $srcdir in
3104     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3105     .) reldir=$depth ;;
3106     *) reldir=$depth/$srcdir ;;
3107     esac
3108     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3109     cd runtime/etc/mono/1.0
3110     rm -f machine.config
3111     $LN_S $reldir/data/net_1_1/machine.config machine.config
3112     cd $depth
3113 ],[LN_S='$LN_S'])
3114
3115 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3116 [   depth=../../../..
3117     case $srcdir in
3118     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3119     .) reldir=$depth ;;
3120     *) reldir=$depth/$srcdir ;;
3121     esac
3122     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3123     cd runtime/etc/mono/2.0
3124     rm -f machine.config
3125     $LN_S $reldir/data/net_2_0/machine.config machine.config
3126     cd $depth
3127 ],[LN_S='$LN_S'])
3128
3129 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3130 [   depth=../../../..
3131     case $srcdir in
3132     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3133     .) reldir=$depth ;;
3134     *) reldir=$depth/$srcdir ;;
3135     esac
3136     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3137     cd runtime/etc/mono/2.0
3138     rm -f web.config
3139     $LN_S $reldir/data/net_2_0/web.config web.config
3140     cd $depth
3141 ],[LN_S='$LN_S'])
3142
3143 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3144 [   depth=../../..
3145     case $srcdir in
3146     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3147     .) reldir=$depth ;;
3148     *) reldir=$depth/$srcdir ;;
3149     esac
3150     $ac_aux_dir/install-sh -d runtime/etc/mono/
3151     cd runtime/etc/mono/
3152     rm -f browscap.ini
3153     $LN_S $reldir/data/browscap.ini browscap.ini
3154     cd $depth
3155 ],[LN_S='$LN_S'])
3156
3157 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3158 [   depth=../../../../..
3159     case $srcdir in
3160     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3161     .) reldir=$depth ;;
3162     *) reldir=$depth/$srcdir ;;
3163     esac
3164     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3165     cd runtime/etc/mono/2.0/Browsers
3166     rm -f Compat.browser
3167     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
3168     cd $depth
3169 ],[LN_S='$LN_S'])
3170
3171 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3172 [   depth=../../../..
3173     case $srcdir in
3174     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3175     .) reldir=$depth ;;
3176     *) reldir=$depth/$srcdir ;;
3177     esac
3178     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3179     cd runtime/etc/mono/4.0
3180     rm -f machine.config
3181     $LN_S $reldir/data/net_4_0/machine.config machine.config
3182     cd $depth
3183 ],[LN_S='$LN_S'])
3184
3185 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3186 [   depth=../../../..
3187     case $srcdir in
3188     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3189     .) reldir=$depth ;;
3190     *) reldir=$depth/$srcdir ;;
3191     esac
3192     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3193     cd runtime/etc/mono/4.0
3194     rm -f web.config
3195     $LN_S $reldir/data/net_4_0/web.config web.config
3196     cd $depth
3197 ],[LN_S='$LN_S'])
3198
3199 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3200 [   depth=../../../..
3201     case $srcdir in
3202     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3203     .) reldir=$depth ;;
3204     *) reldir=$depth/$srcdir ;;
3205     esac
3206     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3207     cd runtime/etc/mono/4.5
3208     rm -f machine.config
3209     $LN_S $reldir/data/net_4_5/machine.config machine.config
3210     cd $depth
3211 ],[LN_S='$LN_S'])
3212
3213 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3214 [   depth=../../../..
3215     case $srcdir in
3216     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3217     .) reldir=$depth ;;
3218     *) reldir=$depth/$srcdir ;;
3219     esac
3220     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3221     cd runtime/etc/mono/4.5
3222     rm -f web.config
3223     $LN_S $reldir/data/net_4_5/web.config web.config
3224     cd $depth
3225 ],[LN_S='$LN_S'])
3226
3227 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])
3228
3229 AC_OUTPUT([
3230 Makefile
3231 mono-core.spec
3232 mono-uninstalled.pc
3233 scripts/mono-find-provides
3234 scripts/mono-find-requires
3235 mono/Makefile
3236 mono/utils/Makefile
3237 mono/metadata/Makefile
3238 mono/dis/Makefile
3239 mono/cil/Makefile
3240 mono/arch/Makefile
3241 mono/arch/x86/Makefile
3242 mono/arch/amd64/Makefile
3243 mono/arch/hppa/Makefile
3244 mono/arch/ppc/Makefile
3245 mono/arch/sparc/Makefile
3246 mono/arch/s390/Makefile
3247 mono/arch/s390x/Makefile
3248 mono/arch/arm/Makefile
3249 mono/arch/alpha/Makefile
3250 mono/arch/ia64/Makefile
3251 mono/arch/mips/Makefile
3252 mono/interpreter/Makefile
3253 mono/tests/Makefile
3254 mono/tests/tests-config
3255 mono/tests/assemblyresolve/Makefile
3256 mono/tests/cas/Makefile
3257 mono/tests/cas/assembly/Makefile
3258 mono/tests/cas/demand/Makefile
3259 mono/tests/cas/inheritance/Makefile
3260 mono/tests/cas/linkdemand/Makefile
3261 mono/tests/cas/threads/Makefile
3262 mono/benchmark/Makefile
3263 mono/monograph/Makefile
3264 mono/io-layer/Makefile
3265 mono/mini/Makefile
3266 mono/profiler/Makefile
3267 m4/Makefile
3268 ikvm-native/Makefile
3269 scripts/Makefile
3270 man/Makefile
3271 docs/Makefile
3272 data/Makefile
3273 data/net_2_0/Makefile
3274 data/net_4_0/Makefile
3275 data/net_4_5/Makefile
3276 data/net_2_0/Browsers/Makefile
3277 data/mint.pc
3278 data/mono-2.pc
3279 data/monosgen-2.pc
3280 data/mono.pc
3281 data/mono-cairo.pc
3282 data/mono-nunit.pc
3283 data/mono-options.pc
3284 data/mono-lineeditor.pc
3285 data/monodoc.pc
3286 data/mono.web.pc
3287 data/dotnet.pc
3288 data/dotnet35.pc
3289 data/wcf.pc
3290 data/cecil.pc
3291 data/system.web.extensions_1.0.pc
3292 data/system.web.extensions.design_1.0.pc
3293 data/system.web.mvc.pc
3294 data/system.web.mvc2.pc
3295 data/system.web.mvc3.pc
3296 data/aspnetwebstack.pc
3297 data/reactive.pc
3298 samples/Makefile
3299 support/Makefile
3300 data/config
3301 tools/Makefile
3302 tools/locale-builder/Makefile
3303 tools/sgen/Makefile
3304 runtime/Makefile
3305 msvc/Makefile
3306 po/Makefile
3307 ])
3308
3309 # Update all submodules recursively to ensure everything is checked out
3310 $srcdir/scripts/update_submodules
3311
3312 if test x$host_win32 = xyes; then
3313    # Get rid of 'cyg' prefixes in library names
3314    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3315    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3316    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3317    # executable doesn't work...
3318    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3319 fi
3320
3321 (
3322   case $prefix in
3323   NONE) prefix=$ac_default_prefix ;;
3324   esac
3325   case $exec_prefix in
3326   NONE) exec_prefix='${prefix}' ;;
3327   esac
3328
3329   #
3330   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3331   # any existing config.make.  This allows people to share the same source tree
3332   # with different build directories, one native and one cross
3333   #
3334   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3335
3336     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3337
3338     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3339     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3340     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3341     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3342     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3343     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3344     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3345     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3346
3347     case $INSTALL in
3348     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3349     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3350     esac
3351
3352     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3353
3354     export VERSION
3355     [myver=$($AWK 'BEGIN {
3356       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3357       if(length(vsplit [1]) > 4) {
3358         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3359       }
3360       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3361     }')]
3362
3363     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3364
3365     if test x$platform_darwin = xyes; then
3366       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3367     fi
3368
3369         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3370            enable_system_aot=yes
3371         fi
3372
3373         if test "x$enable_loadedllvm" = "xyes"; then
3374            # This seems to fail on the x86 buildbots
3375            enable_system_aot=no
3376         fi
3377
3378     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3379       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3380     fi
3381
3382     if test x$DISABLE_MCS_DOCS = xyes; then
3383       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3384     fi
3385
3386     if test x$with_moonlight != xno; then
3387       echo "MOONLIGHT = 1" >> $srcdir/$mcsdir/build/config.make
3388     fi
3389
3390     if test x$has_extension_module != xno; then
3391         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3392     fi
3393
3394         default_profile=net_2_0
3395     if test -z "$INSTALL_4_0_TRUE"; then :
3396                 default_profile=net_4_0
3397     fi
3398     if test -z "$INSTALL_MONODROID_TRUE"; then :
3399                 default_profile=monodroid
3400     fi
3401     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3402                 default_profile=monotouch
3403     fi
3404     if test -z "$INSTALL_4_5_TRUE"; then :
3405                 default_profile=net_4_5
3406     fi
3407     
3408     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3409     
3410     if test "x$test_bcl_opt" = "xyes"; then    
3411       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3412     fi
3413
3414   fi
3415
3416   # if we have an olive folder, override the default settings
3417   if test -d $olivedir; then
3418
3419     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3420
3421       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3422
3423       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3424       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3425       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3426       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3427       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3428       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3429     fi
3430   fi
3431
3432 )
3433
3434 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3435
3436 echo "
3437         mcs source:    $mcsdir
3438
3439    Engine:
3440         GC:            $gc_msg 
3441         TLS:           $with_tls
3442         SIGALTSTACK:   $with_sigaltstack
3443         Engine:        $jit_status
3444         oprofile:      $OPROFILE
3445         BigArrays:     $enable_big_arrays
3446         DTrace:        $enable_dtrace
3447         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3448
3449    Libraries:
3450         .NET 2.0/3.5:  $with_profile2
3451         .NET 4.0:      $with_profile4
3452         .NET 4.5:      $with_profile4_5
3453         MonoDroid:     $with_monodroid
3454         MonoTouch:     $with_monotouch
3455         JNI support:   $jdk_headers_found
3456         libgdiplus:    $libgdiplus_msg
3457         zlib:          $zlib_msg
3458         $disabled
3459 "
3460 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3461    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3462 fi