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