NaCl runtime fixes
[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, [3.0.8],
5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
6
7 AC_CONFIG_SRCDIR([README])
8 AC_CONFIG_MACRO_DIR([m4])
9 AC_CANONICAL_SYSTEM
10 AC_CANONICAL_HOST
11
12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
13 # The extra brackets are to foil regex-based scans.
14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
15
16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign])
17 AC_CONFIG_HEADERS([config.h])
18 AM_MAINTAINER_MODE
19
20 API_VER=2.0
21 AC_SUBST(API_VER)
22
23 AC_PROG_LN_S
24
25 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
26
27 # In case of cygwin, override LN_S, irrespective of what it determines.
28 # The build uses cygwin, but the actual runtime doesn't.
29 case $host_os in
30 *cygwin* ) LN_S='cp -p';;
31 esac
32
33 dnl
34 dnl libgc checks
35 dnl
36
37 gc_headers=no
38 gc=included
39 gc_msg="included Boehm"
40 use_included_gc=no
41 libgc_configure_args=
42
43 if test -d $srcdir/libgc ; then
44   gc_default=included
45 else
46   gc_default=boehm
47 fi
48
49 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
50 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
51 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
52 CFLAGS_FOR_LIBGC=$CFLAGS
53 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
54 CFLAGS_FOR_EGLIB=$CFLAGS
55
56 #
57 # These are the flags that need to be stored in the mono.pc file for 
58 # compiling code that will embed Mono
59 #
60 libmono_cflags=""
61 libmono_ldflags=""
62 AC_SUBST(libmono_cflags)
63 AC_SUBST(libmono_ldflags)
64
65 # Variable to have relocatable .pc files (lib, or lib64)
66 reloc_libdir=`basename ${libdir}`
67 AC_SUBST(reloc_libdir)
68
69 dnl if linker handles the version script
70 no_version_script=no
71
72 # Set to yes if Unix sockets cannot be created in an anonymous namespace
73 need_link_unlink=no
74
75 # Thread configuration inspired by sleepycat's db
76 AC_MSG_CHECKING([host platform characteristics])
77 libgc_threads=no
78 has_dtrace=no
79 parallel_mark=yes
80 ikvm_native=yes
81
82 case "$host" in
83         powerpc*-*-linux*)
84                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
85                 disable_munmap=yes
86         ;;
87 esac
88
89 host_win32=no
90 target_win32=no
91 platform_android=no
92 platform_darwin=no
93 case "$host" in
94         *-mingw*|*-*-cygwin*)
95                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
96                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
97                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
98                 host_win32=yes
99                 mono_cv_clang=no
100                 if test "x$cross_compiling" = "xno"; then
101                         target_win32=yes
102                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
103                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
104                         fi
105                         #
106                         # gcc-3/g++-3 are from the gcc-core/gcc-g++ cygwin packages.
107                         # Other gcc packages will not work:
108                         # - the gcc-4 packages no longer support -mno-cygwin
109                         # - the mingw-gcc packages produce executables which depends on a libgcc<...>
110                         # dll, which means we would have to distribute that file too.
111                         #
112                         if test "x$CC" != "x"; then
113                                 AC_ERROR(Don't set CC. mono can only be compiled with gcc-3 from the 'gcc-core' package)
114                         fi
115                         CC="gcc-3.exe -mno-cygwin -g"
116                         CXX="g++-3.exe -mno-cygwin -g"
117                         # So libgc configure gets -mno-cygwin
118                         export CC
119                         export CXX
120                         CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -mno-cygwin"
121                 else
122                         target_win32=yes
123                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
124                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
125                 fi
126                 HOST_CC="gcc"
127                 # Windows 2000 is required that includes Internet Explorer 5.01
128                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
129                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
130                 libmono_cflags="-mno-cygwin -mms-bitfields -mwindows"
131                 libmono_ldflags="-mno-cygwin -mms-bitfields -mwindows"
132                 libdl=
133                 libgc_threads=win32
134                 gc_default=included
135                 with_sigaltstack=no
136                 LN_S=cp
137                 # This forces libgc to use the DllMain based thread registration code on win32
138                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
139                 ;;
140         *-*-*netbsd*)
141                 host_win32=no
142                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
143                 libmono_cflags="-D_REENTRANT"
144                 LDFLAGS="$LDFLAGS -pthread"
145                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
146                 libmono_ldflags="-pthread"
147                 need_link_unlink=yes
148                 libdl="-ldl"
149                 libgc_threads=pthreads
150                 with_sigaltstack=no
151                 use_sigposix=yes
152                 ;;
153         *-*-*freebsd*)
154                 host_win32=no
155                 if test "x$PTHREAD_CFLAGS" = "x"; then
156                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
157                         libmono_cflags=
158                 else
159                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
160                         libmono_cflags="$PTHREAD_CFLAGS"
161                 fi
162                 if test "x$PTHREAD_LIBS" = "x"; then
163                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
164                         libmono_ldflags="-pthread"
165                 else
166                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
167                         libmono_ldflags="$PTHREAD_LIBS"
168                 fi
169                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
170                 need_link_unlink=yes
171                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
172                 libdl=
173                 libgc_threads=pthreads
174                 # This doesn't seem to work as of 7.0 on amd64
175                 with_sigaltstack=no
176                 use_sigposix=yes
177                 ;;
178         *-*-*openbsd*)
179                 host_win32=no
180                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
181                 if test "x$disable_munmap" != "xyes"; then
182                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
183                 fi
184                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
185                 LDFLAGS="$LDFLAGS -pthread"
186                 need_link_unlink=yes
187                 AC_DEFINE(PTHREAD_POINTER_ID)
188                 libdl=
189                 gc_default=boehm
190                 libgc_threads=pthreads
191                 with_sigaltstack=no
192                 use_sigposix=yes
193                 ;;
194         *-*-linux-android*)
195                 host_win32=no
196                 platform_android=yes
197                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
198                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
199
200                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
201                 if test "x$disable_munmap" != "xyes"; then
202                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
203                 fi
204                 libmono_cflags="-D_REENTRANT"
205                 libdl="-ldl"
206                 libgc_threads=pthreads
207                 use_sigposix=yes
208
209                 with_tls=pthread
210                 with_sigaltstack=no
211                 with_static_mono=no
212
213                 # Android doesn't support boehm, as it's missing <link.h>
214                 support_boehm=no
215                 with_gc=sgen
216
217                 # isinf(3) requires -lm; see isinf check below
218                 LDFLAGS="$LDFLAGS -lm"
219
220                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
221                 # PAGE_SIZE; breaks mono/io-layer/collection.c
222                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
223                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
224                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
225
226                 # to bypass the underscore linker check, can't work when cross-compiling
227                 mono_cv_uscore=yes
228                 mono_cv_clang=no
229                 ;;
230         *-*-linux*)
231                 host_win32=no
232                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
233                 if test "x$disable_munmap" != "xyes"; then
234                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
235                 fi
236                 libmono_cflags="-D_REENTRANT"
237                 libdl="-ldl"
238                 libgc_threads=pthreads
239                 use_sigposix=yes
240                 if test "x$cross_compiling" != "xno"; then
241                         # to bypass the underscore linker check, not
242                         # available during cross-compilation
243                         mono_cv_uscore=no
244                 fi
245                 ;;
246         *-*-nacl*)
247                 host_win32=no
248                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
249                 if test "x$disable_munmap" != "xyes"; then
250                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
251                 fi
252                 libmono_cflags="-D_REENTRANT"
253                 libdl=
254                 libgc_threads=pthreads
255                 gc_default=boehm
256                 use_sigposix=yes
257                 ikvm_native=no
258                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
259                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
260                 ;;
261         *-*-hpux*)
262                 host_win32=no
263                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
264                 # +ESdbgasm only valid on bundled cc on RISC
265                 # silently ignored for ia64
266                 if test $GCC != "yes"; then
267                         CFLAGS="$CFLAGS +ESdbgasm"
268                         # Arrange for run-time dereferencing of null
269                         # pointers to produce a SIGSEGV signal.
270                         LDFLAGS="$LDFLAGS -z"
271                 fi
272                 CFLAGS="$CFLAGS +ESdbgasm"
273                 LDFLAGS="$LDFLAGS -z"
274                 libmono_cflags="-D_REENTRANT"
275                 libmono_ldflags="-lpthread"
276                 libgc_threads=pthreads
277                 need_link_unlink=yes
278                 use_sigposix=yes
279                 ;;
280         *-*-solaris*)
281                 host_win32=no
282                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
283                 need_link_unlink=yes
284                 libmono_cflags="-D_REENTRANT"
285                 libgc_threads=pthreads
286                 # This doesn't seem to work on solaris/x86, but the configure test runs
287                 with_tls=pthread
288                 has_dtrace=yes
289                 use_sigposix=yes
290                 enable_solaris_tar_check=yes
291                 ;;
292         *-*-darwin*)
293                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
294                 host_win32=no
295                 platform_darwin=yes
296                 target_mach=yes
297                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
298                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
299                 libmono_cflags="-D_THREAD_SAFE"
300                 need_link_unlink=yes
301                 AC_DEFINE(PTHREAD_POINTER_ID)
302                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
303                 no_version_script=yes
304                 libdl=
305                 libgc_threads=pthreads
306                 has_dtrace=yes
307                 if test "x$cross_compiling" = "xyes"; then
308                         has_broken_apple_cpp=yes
309                 fi
310                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
311                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
312                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
313                 case "$host" in
314                         dnl Snow Leopard and newer config.guess reports as this
315                         i*86-*-darwin*)
316                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
317                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_FLAGS"
318                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
319                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
320                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
321                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
322                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
323                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
324                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
325                                 ;;
326                         arm*-darwin*)
327                                 has_dtrace=no
328                                 ;;                      
329                 esac
330                 ;;
331         *-*-haiku*)
332                 host_win32=no
333                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
334                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
335                 libdl=
336                 LIBS="$LIBS -lnetwork"
337                 need_link_unlink=yes
338                 AC_DEFINE(PTHREAD_POINTER_ID)
339                 libgc_threads=pthreads
340                 use_sigposix=yes
341                 ;;
342         *)
343                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
344                 host_win32=no
345                 libdl="-ldl"
346                 ;;
347 esac
348 AC_MSG_RESULT(ok)
349
350 if test x$need_link_unlink = xyes; then
351    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
352 fi
353
354 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
355 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
356 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
357 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
358 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
359 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
360
361 AC_CHECK_TOOL(CC, gcc, gcc)
362 AC_PROG_CC
363 AC_CHECK_TOOL(CXX, g++, g++)
364 AC_PROG_CXX
365 AM_PROG_AS
366 AC_PROG_INSTALL
367 AC_PROG_AWK
368 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
369 : ${CCAS='$(CC)'}
370 # Set ASFLAGS if not already set.
371 : ${CCASFLAGS='$(CFLAGS)'}
372 AC_SUBST(CCAS)
373 AC_SUBST(CCASFLAGS)
374
375 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
376 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
377 if test "x$CXX" = "xg++"; then
378         if test "x$GXX" != "xyes"; then
379                 # automake/libtool is so broken, it requires g++ even if the c++ sources
380                 # are inside automake conditionals
381                 AC_MSG_ERROR([You need to install g++])
382         fi
383 fi
384
385 dnl may require a specific autoconf version
386 dnl AC_PROG_CC_FOR_BUILD
387 dnl CC_FOR_BUILD not automatically detected
388 CC_FOR_BUILD=$CC
389 CFLAGS_FOR_BUILD=$CFLAGS
390 BUILD_EXEEXT=
391 if test "x$cross_compiling" = "xyes"; then
392         CC_FOR_BUILD=cc
393         CFLAGS_FOR_BUILD=
394         BUILD_EXEEXT=""
395 fi
396 AC_SUBST(CC_FOR_BUILD)
397 AC_SUBST(CFLAGS_FOR_BUILD)
398 AC_SUBST(HOST_CC)
399 AC_SUBST(BUILD_EXEEXT)
400
401 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
402 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
403
404 # Set STDC_HEADERS
405 AC_HEADER_STDC
406 AC_LIBTOOL_WIN32_DLL
407 # This causes monodis to not link correctly
408 #AC_DISABLE_FAST_INSTALL
409 AM_PROG_LIBTOOL
410 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
411 DOLT
412
413 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
414 AC_SUBST(export_ldflags)
415
416 # Test whenever ld supports -version-script
417 AC_PROG_LD
418 AC_PROG_LD_GNU
419 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
420    no_version_script=yes
421 fi
422
423 AM_ICONV()
424
425 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
426
427 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)
428 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)
429 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
430                   [], [], [#include <stddef.h>
431                   #include <sys/socket.h>
432                   #include <linux/socket.h>])
433
434 AC_CHECK_HEADERS(sys/user.h, [], [],
435 [
436 #ifdef HAVE_SYS_PARAM_H
437 # include <sys/param.h>
438 #endif
439 ])
440
441 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
442 if test x$have_zlib = xyes; then
443    AC_TRY_COMPILE([#include <zlib.h>], [
444    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
445    return 0;
446    #else
447    #error No good zlib found
448    #endif
449    ],[
450         AC_MSG_RESULT(Using system zlib)
451         zlib_msg="system zlib"
452         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
453    ],[
454         AC_MSG_RESULT(Using embedded zlib)
455         have_zlib=no
456         zlib_msg="bundled zlib"
457    ])
458 fi
459
460 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
461 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
462
463 # for mono/metadata/debug-symfile.c
464 AC_CHECK_HEADERS(elf.h)
465
466 # for support
467 AC_CHECK_HEADERS(poll.h)
468 AC_CHECK_HEADERS(sys/poll.h)
469 AC_CHECK_HEADERS(sys/wait.h)
470 AC_CHECK_HEADERS(grp.h)
471 AC_CHECK_HEADERS(syslog.h)
472
473 # for mono/dis
474 AC_CHECK_HEADERS(wchar.h)
475 AC_CHECK_HEADERS(ieeefp.h)
476 AC_MSG_CHECKING(for isinf)
477 AC_TRY_LINK([#include <math.h>], [
478         int f = isinf (1);
479 ], [
480         AC_MSG_RESULT(yes)
481         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
482 ], [
483         # We'll have to use signals
484         AC_MSG_RESULT(no)
485 ])
486
487 # for Linux statfs support
488 AC_CHECK_HEADERS(linux/magic.h)
489
490 # not 64 bit clean in cross-compile
491 AC_CHECK_SIZEOF(void *, 4)
492
493 WARN=''
494 if test x"$GCC" = xyes; then
495         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
496                 # The runtime code does not respect ANSI C strict aliasing rules
497                 CFLAGS="$CFLAGS -fno-strict-aliasing"
498
499                 ORIG_CFLAGS=$CFLAGS
500                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
501                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
502                 AC_TRY_COMPILE([],[
503                                 return 0;
504                 ], [
505                    AC_MSG_RESULT(yes)
506                 ], [
507                    AC_MSG_RESULT(no)
508                    CFLAGS=$ORIG_CFLAGS
509                 ])
510
511                 ORIG_CFLAGS=$CFLAGS
512                 # Check for the normal version, since gcc ignores unknown -Wno options
513                 CFLAGS="$CFLAGS -Wunused-but-set-variable"
514                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
515                 AC_TRY_COMPILE([],[
516                                 return 0;
517                 ], [
518                    AC_MSG_RESULT(yes)
519                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
520                 ], [
521                    AC_MSG_RESULT(no)
522                    CFLAGS=$ORIG_CFLAGS
523                 ])
524 else
525         # The Sun Forte compiler complains about inline functions that access static variables
526         # so disable all inlining.
527         case "$host" in
528         *-*-solaris*)
529                 CFLAGS="$CFLAGS -Dinline="
530                 ;;
531         esac
532 fi
533 CFLAGS="$CFLAGS -g $WARN"
534 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
535
536 AC_CACHE_CHECK([for clang],
537         mono_cv_clang,[
538         AC_TRY_COMPILE([], [
539                 #ifdef __clang__
540                 #else
541                 #error "FAILED"
542                 #endif
543                 return 0;
544         ],
545         [mono_cv_clang=yes],
546         [mono_cv_clang=no],
547         [])
548 ])
549
550 # Where's the 'mcs' source tree?
551 if test -d $srcdir/mcs; then
552   mcsdir=mcs
553 else
554   mcsdir=../mcs
555 fi
556
557 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
558         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
559                 mcsdir=$with_mcs_path
560         fi
561 )
562
563 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
564
565 #
566 # A sanity check to catch cases where the package was unpacked
567 # with an ancient tar program (Solaris)
568 #
569 AC_ARG_ENABLE(solaris-tar-check,
570 [  --disable-solaris-tar-check    disable solaris tar check],
571    do_solaris_tar_check=no, do_solaris_tar_check=yes)
572
573 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
574         AC_MSG_CHECKING(integrity of package)
575         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
576         then
577                 AC_MSG_RESULT(ok)
578         else
579                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
580                 AC_MSG_ERROR([$errorm])
581         fi
582 fi
583
584 if test "x$with_mcs_path" != "x"; then
585 mcs_topdir=$(cd "$mcsdir" && pwd)
586 mcs_topdir_from_srcdir=$mcs_topdir
587 else
588 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
589 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
590 fi
591
592 # Convert mcs_topdir* paths to Windows syntax.
593 if test x$cross_compiling$host_win32 = xnoyes; then
594   mcs_topdir=$(cygpath -m $mcs_topdir)
595   case $mcs_topdir_from_srcdir in
596     /cygdrive/*)
597         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
598         ;;
599   esac
600 fi
601
602 AC_SUBST([mcs_topdir])
603 AC_SUBST([mcs_topdir_from_srcdir])
604
605 # Where's the 'olive' source tree?
606 if test -d $srcdir/olive; then
607   olivedir=olive
608 else
609   olivedir=../olive
610 fi
611
612 if test -d $srcdir/$olivedir; then
613 olive_topdir='$(top_srcdir)/'$olivedir
614 fi
615
616 # gettext: prepare the translation directories. 
617 # we do not configure the full gettext, as we consume it dynamically from C#
618 AM_PO_SUBDIRS
619
620 if test "x$USE_NLS" = "xyes"; then
621    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
622
623    if test "x$HAVE_MSGFMT" = "xno"; then
624           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
625    fi
626 fi
627
628 AC_ARG_WITH([libgdiplus], 
629         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)], 
630         [], [with_libgdiplus=installed])
631
632 case $with_libgdiplus in
633 no|installed) libgdiplus_loc= ;;
634 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
635 /*) libgdiplus_loc=$with_libgdiplus ;;
636 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
637 esac
638 AC_SUBST([libgdiplus_loc])
639
640 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
641
642 pkg_config_path=
643 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
644         if test x$with_crosspkgdir = "x"; then
645                 if test -s $PKG_CONFIG_PATH; then
646                         pkg_config_path=$PKG_CONFIG_PATH
647                 fi
648         else
649                 pkg_config_path=$with_crosspkgdir
650                 PKG_CONFIG_PATH=$pkg_config_path
651                 export PKG_CONFIG_PATH
652         fi
653 )
654
655 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
656 AC_CONFIG_SUBDIRS(eglib)
657
658 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
659 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
660 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
661 BUILD_GLIB_LIBS="$GLIB_LIBS"
662 GMODULE_CFLAGS="$GLIB_CFLAGS"
663 GMODULE_LIBS="$GLIB_LIBS"
664   
665 AC_SUBST(GLIB_CFLAGS)
666 AC_SUBST(GLIB_LIBS)
667 AC_SUBST(GMODULE_CFLAGS)
668 AC_SUBST(GMODULE_LIBS)
669 AC_SUBST(BUILD_GLIB_CFLAGS)
670 AC_SUBST(BUILD_GLIB_LIBS)
671
672 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
673
674 # Enable support for fast thread-local storage
675 # Some systems have broken support, so we allow to disable it.
676 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
677
678 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
679 # This does not work on some platforms (bug #55253)
680 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
681
682 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
683 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
684 # Same as --with-shared_mono=no
685 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
686
687 if test "x$enable_static" = "xno"; then
688    with_static_mono=no
689 fi
690
691 if test "x$enable_shared" = "xno"; then
692    with_shared_mono=no
693 fi
694
695 if test "x$enable_libraries" = "xno"; then
696    with_shared_mono=no
697 fi
698
699 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
700
701 case $host in
702 *nacl* ) with_shared_mono=yes;;
703 esac
704
705 if test "x$host_win32" = "xyes"; then
706    # Boehm GC requires the runtime to be in its own dll
707    with_static_mono=no
708 fi
709
710 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
711 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
712 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
713
714 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
715 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
716         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
717         ORIG_CFLAGS=$CFLAGS
718         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
719         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
720         AC_TRY_COMPILE([], [
721                 return 0;
722         ], [
723            AC_MSG_RESULT(yes)
724            # Pass it to libgc as well
725            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
726         ], [
727            AC_MSG_RESULT(no)
728            CFLAGS=$ORIG_CFLAGS
729         ])
730 fi
731
732 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
733
734 if test x$enable_small_config = xyes; then
735         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
736         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
737 fi
738
739 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=$enableval, enable_system_aot=default)
740
741 DISABLED_FEATURES=none
742
743 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
744      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
745      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
746          sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
747 [
748         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
749                 eval "mono_feature_disable_$feature='yes'"
750         done
751         DISABLED_FEATURES=$enable_minimal
752         disabled="Disabled:      $enable_minimal"
753 ],[])
754
755 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
756
757 if test "x$mono_feature_disable_aot" = "xyes"; then
758         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
759         AC_MSG_NOTICE([Disabled AOT compiler])
760 fi
761
762 if test "x$mono_feature_disable_profiler" = "xyes"; then
763         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
764         AC_MSG_NOTICE([Disabled support for the profiler])
765 fi
766 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
767
768 if test "x$mono_feature_disable_decimal" = "xyes"; then
769         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
770         AC_MSG_NOTICE([Disabled support for decimal])
771 fi
772
773 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
774         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
775         AC_MSG_NOTICE([Disabled support for P/Invoke])
776 fi
777
778 if test "x$mono_feature_disable_debug" = "xyes"; then
779         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
780         AC_MSG_NOTICE([Disabled support for runtime debugging])
781 fi
782
783 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
784         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
785         mono_feature_disable_reflection_emit_save=yes
786         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
787 fi
788
789 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
790         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
791         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
792 fi
793
794 if test "x$mono_feature_disable_large_code" = "xyes"; then
795         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
796         AC_MSG_NOTICE([Disabled support for large assemblies])
797 fi
798
799 if test "x$mono_feature_disable_logging" = "xyes"; then
800         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
801         AC_MSG_NOTICE([Disabled support for logging])
802 fi
803
804 if test "x$mono_feature_disable_com" = "xyes"; then
805         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
806         AC_MSG_NOTICE([Disabled COM support])
807 fi
808
809 if test "x$mono_feature_disable_ssa" = "xyes"; then
810         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
811         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
812 fi
813
814 if test "x$mono_feature_disable_generics" = "xyes"; then
815         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
816         AC_MSG_NOTICE([Disabled Generics Support])
817 fi
818
819 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
820         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
821         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
822 fi
823
824 if test "x$mono_feature_disable_portability" = "xyes"; then
825         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
826         AC_MSG_NOTICE([Disabled IO Portability layer])
827 fi
828
829 if test "x$mono_feature_disable_attach" = "xyes"; then
830         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
831         AC_MSG_NOTICE([Disabled agent attach])
832 fi
833
834 if test "x$mono_feature_disable_full_messages" = "xyes"; then
835         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
836         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
837 fi
838
839 if test "x$mono_feature_disable_verifier" = "xyes"; then
840         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
841         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
842 fi
843
844 if test "x$mono_feature_disable_jit" = "xyes"; then
845         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
846         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
847 fi
848
849 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
850
851 if test "x$mono_feature_disable_simd" = "xyes"; then
852         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
853         AC_MSG_NOTICE([Disabled SIMD support])
854 fi
855
856 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
857         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
858         AC_MSG_NOTICE([Disabled Soft Debugger.])
859 fi
860
861 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
862         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
863         AC_MSG_NOTICE([Disabled Performance Counters.])
864 fi
865 if test "x$mono_feature_disable_normalization" = "xyes"; then
866         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
867         AC_MSG_NOTICE([Disabled String normalization support.])
868 fi
869
870 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
871         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
872         AC_MSG_NOTICE([Disabled Assembly remapping.])
873 fi
874
875 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
876         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
877         AC_MSG_NOTICE([Disabled Shared perfcounters.])
878 fi
879
880 if test "x$mono_feature_disable_appdomains" = "xyes"; then
881         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
882         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
883 fi
884
885 if test "x$mono_feature_disable_remoting" = "xyes"; then
886         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
887         AC_MSG_NOTICE([Disabled remoting])
888 fi
889
890 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
891         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
892         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
893 fi
894
895 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
896         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
897         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
898 fi
899
900 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
901         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
902         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
903 fi
904
905 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
906         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
907         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
908 fi
909
910 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
911         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
912         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
913 fi
914
915 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
916 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
917
918 AC_ARG_ENABLE(extension-module, [  --enable-extension-module enables usage of the extension module], has_extension_module=$enableval, has_extension_module=no)
919 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
920
921 if test x$has_extension_module != xno ; then
922         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
923         AC_MSG_NOTICE([Enabling mono extension module.])
924 fi
925
926
927 AC_MSG_CHECKING(for visibility __attribute__)
928 AC_COMPILE_IFELSE([
929         AC_LANG_SOURCE([[
930                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
931                 int main () { doit (); return 0; }
932         ]])
933 ], [
934    have_visibility_hidden=yes
935    AC_MSG_RESULT(yes)
936 ], [
937    have_visibility_hidden=no
938    AC_MSG_RESULT(no)
939 ])
940
941 AC_MSG_CHECKING(for deprecated __attribute__)
942 AC_TRY_COMPILE([
943      int doit (void) __attribute__ ((deprecated));
944      int doit (void) { return 0; }
945 ], [
946         return 0;
947 ], [
948    have_deprecated=yes
949    AC_MSG_RESULT(yes)
950 ], [
951    have_deprecated=no
952    AC_MSG_RESULT(no)
953 ])
954
955 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
956 if test x$enable_parallel_mark = xyes; then
957         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
958 fi
959
960 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
961 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
962
963 dnl
964 dnl Boehm GC configuration
965 dnl
966 LIBGC_CPPFLAGS=
967 LIBGC_LIBS=
968 LIBGC_STATIC_LIBS=
969 libgc_dir=
970 case "x$gc" in
971         xboehm|xbohem|xyes)
972                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
973                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
974
975                 if test "x$found_boehm" != "xyes"; then
976                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
977                 fi
978                 if test "x$gc_headers" != "xyes"; then
979                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
980                 fi
981
982                 LIBGC_LIBS="-lgc $libdl"
983                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
984                 libmono_ldflags="$libmono_ldflags -lgc"
985                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
986
987                 # AC_CHECK_FUNCS does not work for some reason...
988                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
989                 if test "x$found_gcj_malloc" = "xyes"; then
990                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
991                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
992                         gc_msg="System Boehm with typed GC"
993                 else
994                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
995                         gc_msg="System Boehm (without typed GC)"
996                 fi
997                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
998                 if test "x$found_gc_enable" = "xyes"; then
999                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1000                 fi
1001
1002                 # check whether we need to explicitly allow
1003                 # thread registering
1004                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1005                 if test "x$found_allow_register_threads" = "xyes"; then
1006                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1007                 fi
1008
1009                 ;;
1010
1011         xincluded)
1012                 use_included_gc=yes
1013                 libgc_dir=libgc
1014
1015                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1016                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1017                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1018
1019                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1020
1021                 gc_msg="bundled Boehm GC with typed GC"
1022                 if test x$enable_parallel_mark = xyes; then
1023                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1024                         gc_msg="$gc_msg and parallel mark"
1025                 else
1026                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1027                 fi
1028                 ;;
1029
1030         xsgen)
1031                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1032                 ;;
1033
1034         xnone)
1035                 AC_MSG_WARN("Compiling mono without GC.")
1036                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1037                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1038                 ;;
1039         *)
1040                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1041                 ;;
1042 esac
1043
1044 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1045 if test "x$large_heap" = "xyes"; then
1046    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1047 fi
1048
1049 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1050 AC_SUBST(LIBGC_CPPFLAGS)
1051 AC_SUBST(LIBGC_LIBS)
1052 AC_SUBST(LIBGC_STATIC_LIBS)
1053 AC_SUBST(libgc_dir)
1054 AC_SUBST(BOEHM_DEFINES)
1055
1056 dnl
1057 dnl End of libgc checks
1058 dnl
1059
1060 dnl *************************************
1061 dnl *** Checks for zero length arrays ***
1062 dnl *************************************
1063 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1064 AC_TRY_COMPILE([
1065         struct s {
1066                 int  length;
1067                 char data [0];
1068         };
1069 ], [], [
1070         AC_MSG_RESULT(yes)
1071         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1072 ], [
1073         AC_MSG_RESULT(no)
1074         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1075 ])
1076
1077 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1078
1079 if test x$target_win32 = xno; then
1080
1081         dnl hires monotonic clock support
1082         AC_SEARCH_LIBS(clock_gettime, rt)
1083
1084         dnl dynamic loader support
1085         AC_CHECK_FUNC(dlopen, DL_LIB="",
1086                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1087         )
1088         if test x$dl_support = xno; then
1089                 AC_MSG_WARN([No dynamic loading support available])
1090         else
1091                 LIBS="$LIBS $DL_LIB"
1092                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1093                 dnl from glib's configure.in
1094                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1095                         mono_cv_uscore,[
1096                         AC_TRY_RUN([#include <dlfcn.h>
1097                         int mono_underscore_test (void) { return 42; }
1098                         int main() {
1099                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1100                           handle = dlopen ((void*)0, 0);
1101                           if (handle) {
1102                             f1 = dlsym (handle, "mono_underscore_test");
1103                             f2 = dlsym (handle, "_mono_underscore_test");
1104                           } return (!f2 || f1);
1105                         }],
1106                                 [mono_cv_uscore=yes],
1107                                 [mono_cv_uscore=no],
1108                         [])
1109                 ])
1110                 if test "x$mono_cv_uscore" = "xyes"; then
1111                         MONO_DL_NEED_USCORE=1
1112                 else
1113                         MONO_DL_NEED_USCORE=0
1114                 fi
1115                 AC_SUBST(MONO_DL_NEED_USCORE)
1116                 AC_CHECK_FUNC(dlerror)
1117         fi
1118
1119         dnl ******************************************************************
1120         dnl *** Checks for the IKVM JNI interface library                  ***
1121         dnl ******************************************************************
1122         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])
1123
1124         ikvm_native_dir=
1125         if test x$with_ikvm_native = xyes; then
1126                 ikvm_native_dir=ikvm-native
1127                 jdk_headers_found="IKVM Native"
1128         fi
1129
1130         AC_SUBST(ikvm_native_dir)
1131
1132         AC_CHECK_HEADERS(execinfo.h)
1133
1134         AC_CHECK_FUNCS(getgrgid_r)
1135         AC_CHECK_FUNCS(getgrnam_r)
1136         AC_CHECK_FUNCS(getpwnam_r)
1137         AC_CHECK_FUNCS(getpwuid_r)
1138         AC_CHECK_FUNCS(getresuid)
1139         AC_CHECK_FUNCS(setresuid)
1140         AC_CHECK_FUNCS(kqueue)
1141         AC_CHECK_FUNCS(backtrace_symbols)
1142         AC_CHECK_FUNCS(mkstemp)
1143         AC_CHECK_FUNCS(mmap)
1144         AC_CHECK_FUNCS(madvise)
1145         AC_CHECK_FUNCS(getrusage)
1146         AC_CHECK_FUNCS(getpriority)
1147         AC_CHECK_FUNCS(setpriority)
1148         AC_CHECK_FUNCS(dl_iterate_phdr)
1149         AC_CHECK_FUNCS(dladdr)
1150         AC_CHECK_FUNCS(sysconf)
1151
1152         AC_CHECK_FUNCS(sched_setaffinity)
1153         AC_CHECK_FUNCS(sched_getcpu)
1154
1155         dnl ****************************************************************
1156         dnl *** Check for sched_setaffinity from glibc versions before   ***
1157         dnl *** 2.3.4. The older versions of the function only take 2    ***
1158         dnl *** parameters, not 3.                                       ***
1159         dnl ***                                                          ***
1160         dnl *** Because the interface change was not made in a minor     ***
1161         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1162         dnl *** won't always indicate the interface sched_affinity has.  ***
1163         dnl ****************************************************************
1164         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1165         AC_TRY_COMPILE([#include <sched.h>], [
1166             int mask = 1; 
1167             sched_setaffinity(0, &mask);
1168                         return 0;
1169         ], [
1170                 # Yes, we have it...
1171                 AC_MSG_RESULT(yes)
1172                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1173         ], [
1174                 # We have the new, three-parameter version
1175                 AC_MSG_RESULT(no)
1176         ])
1177
1178
1179         dnl ******************************************************************
1180         dnl *** Check for large file support                               ***
1181         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1182         dnl ******************************************************************
1183         
1184         # Check that off_t can represent 2**63 - 1 correctly, working around
1185         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1186         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1187         large_offt=no
1188         AC_DEFUN([LARGE_FILES], [
1189                 large_CPPFLAGS=$CPPFLAGS
1190                 CPPFLAGS="$CPPFLAGS $1"
1191                 AC_TRY_COMPILE([
1192                         #include <sys/types.h>
1193                         #include <limits.h>
1194                 ], [
1195                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1196                         #define COMPILE_TIME_ASSERT(pred) \
1197                                 switch(0){case 0:case pred:;}
1198                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1199                 ], [
1200                         AC_MSG_RESULT(ok)
1201                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1202                         large_CPPFLAGS="$large_CPPFLAGS $1"
1203                         large_offt=yes
1204                 ], [
1205                         AC_MSG_RESULT(no)
1206                 ])
1207                 CPPFLAGS=$large_CPPFLAGS
1208         ])
1209
1210         AC_MSG_CHECKING(if off_t is 64 bits wide)
1211         LARGE_FILES("")
1212         if test $large_offt = no; then
1213                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1214                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1215         fi
1216         if test $large_offt = no; then
1217                 AC_MSG_WARN([No 64 bit file size support available])
1218         fi
1219         
1220         dnl *****************************
1221         dnl *** Checks for libsocket  ***
1222         dnl *****************************
1223         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1224
1225         case "$host" in
1226                 *-*-*freebsd*)
1227                         dnl *****************************
1228                         dnl *** Checks for libinotify ***
1229                         dnl *****************************
1230                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1231         esac
1232
1233         dnl *******************************
1234         dnl *** Checks for MSG_NOSIGNAL ***
1235         dnl *******************************
1236         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1237         AC_TRY_COMPILE([#include <sys/socket.h>], [
1238                 int f = MSG_NOSIGNAL;
1239         ], [
1240                 # Yes, we have it...
1241                 AC_MSG_RESULT(yes)
1242                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1243         ], [
1244                 # We'll have to use signals
1245                 AC_MSG_RESULT(no)
1246         ])
1247
1248         dnl *****************************
1249         dnl *** Checks for IPPROTO_IP ***
1250         dnl *****************************
1251         AC_MSG_CHECKING(for IPPROTO_IP)
1252         AC_TRY_COMPILE([#include <netinet/in.h>], [
1253                 int level = IPPROTO_IP;
1254         ], [
1255                 # Yes, we have it...
1256                 AC_MSG_RESULT(yes)
1257                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1258         ], [
1259                 # We'll have to use getprotobyname
1260                 AC_MSG_RESULT(no)
1261         ])
1262
1263         dnl *******************************
1264         dnl *** Checks for IPPROTO_IPV6 ***
1265         dnl *******************************
1266         AC_MSG_CHECKING(for IPPROTO_IPV6)
1267         AC_TRY_COMPILE([#include <netinet/in.h>], [
1268                 int level = IPPROTO_IPV6;
1269         ], [
1270                 # Yes, we have it...
1271                 AC_MSG_RESULT(yes)
1272                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1273         ], [
1274                 # We'll have to use getprotobyname
1275                 AC_MSG_RESULT(no)
1276         ])
1277
1278         dnl ******************************
1279         dnl *** Checks for IPPROTO_TCP ***
1280         dnl ******************************
1281         AC_MSG_CHECKING(for IPPROTO_TCP)
1282         AC_TRY_COMPILE([#include <netinet/in.h>], [
1283                 int level = IPPROTO_TCP;
1284         ], [
1285                 # Yes, we have it...
1286                 AC_MSG_RESULT(yes)
1287                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1288         ], [
1289                 # We'll have to use getprotobyname
1290                 AC_MSG_RESULT(no)
1291         ])
1292
1293         dnl *****************************
1294         dnl *** Checks for SOL_IP     ***
1295         dnl *****************************
1296         AC_MSG_CHECKING(for SOL_IP)
1297         AC_TRY_COMPILE([#include <netdb.h>], [
1298                 int level = SOL_IP;
1299         ], [
1300                 # Yes, we have it...
1301                 AC_MSG_RESULT(yes)
1302                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1303         ], [
1304                 # We'll have to use getprotobyname
1305                 AC_MSG_RESULT(no)
1306         ])
1307
1308         dnl *****************************
1309         dnl *** Checks for SOL_IPV6     ***
1310         dnl *****************************
1311         AC_MSG_CHECKING(for SOL_IPV6)
1312         AC_TRY_COMPILE([#include <netdb.h>], [
1313                 int level = SOL_IPV6;
1314         ], [
1315                 # Yes, we have it...
1316                 AC_MSG_RESULT(yes)
1317                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1318         ], [
1319                 # We'll have to use getprotobyname
1320                 AC_MSG_RESULT(no)
1321         ])
1322
1323         dnl *****************************
1324         dnl *** Checks for SOL_TCP    ***
1325         dnl *****************************
1326         AC_MSG_CHECKING(for SOL_TCP)
1327         AC_TRY_COMPILE([#include <netdb.h>], [
1328                 int level = SOL_TCP;
1329         ], [
1330                 # Yes, we have it...
1331                 AC_MSG_RESULT(yes)
1332                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1333         ], [
1334                 # We'll have to use getprotobyname
1335                 AC_MSG_RESULT(no)
1336         ])
1337
1338         dnl *****************************
1339         dnl *** Checks for IP_PKTINFO ***
1340         dnl *****************************
1341         AC_MSG_CHECKING(for IP_PKTINFO)
1342         AC_TRY_COMPILE([#include <linux/in.h>], [
1343                 int level = IP_PKTINFO;
1344         ], [
1345                 # Yes, we have it...
1346                 AC_MSG_RESULT(yes)
1347                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1348         ], [
1349                 AC_MSG_RESULT(no)
1350         ])
1351
1352         dnl *****************************
1353         dnl *** Checks for IPV6_PKTINFO ***
1354         dnl *****************************
1355         AC_MSG_CHECKING(for IPV6_PKTINFO)
1356         AC_TRY_COMPILE([#include <netdb.h>], [
1357                 int level = IPV6_PKTINFO;
1358         ], [
1359                 # Yes, we have it...
1360                 AC_MSG_RESULT(yes)
1361                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1362         ], [
1363                 AC_MSG_RESULT(no)
1364         ])
1365
1366         dnl **********************************
1367         dnl *** Checks for IP_DONTFRAG     ***
1368         dnl **********************************
1369         AC_MSG_CHECKING(for IP_DONTFRAG)
1370         AC_TRY_COMPILE([#include <netinet/in.h>], [
1371                 int level = IP_DONTFRAG;
1372         ], [
1373                 # Yes, we have it...
1374                 AC_MSG_RESULT(yes)
1375                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1376         ], [
1377                 AC_MSG_RESULT(no)
1378         ])
1379
1380         dnl **********************************
1381         dnl *** Checks for IP_DONTFRAGMENT ***
1382         dnl **********************************
1383         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1384         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1385                 int level = IP_DONTFRAGMENT;
1386         ], [
1387                 # Yes, we have it...
1388                 AC_MSG_RESULT(yes)
1389                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1390         ], [
1391                 AC_MSG_RESULT(no)
1392         ])
1393
1394         dnl **********************************
1395         dnl *** Checks for IP_MTU_DISCOVER ***
1396         dnl **********************************
1397         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1398         AC_TRY_COMPILE([#include <linux/in.h>], [
1399                 int level = IP_MTU_DISCOVER;
1400         ], [
1401                 # Yes, we have it...
1402                 AC_MSG_RESULT(yes)
1403                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1404         ], [
1405                 AC_MSG_RESULT(no)
1406         ])
1407
1408         dnl **********************************
1409         dnl *** Checks for  IP_PMTUDISC_DO ***
1410         dnl **********************************
1411         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1412         AC_TRY_COMPILE([#include <linux/in.h>], [
1413                 int level = IP_PMTUDISC_DO;
1414         ], [
1415                 # Yes, we have it...
1416                 AC_MSG_RESULT(yes)
1417                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1418         ], [
1419                 AC_MSG_RESULT(no)
1420         ])
1421
1422         dnl *********************************
1423         dnl *** Check for struct ip_mreqn ***
1424         dnl *********************************
1425         AC_MSG_CHECKING(for struct ip_mreqn)
1426         AC_TRY_COMPILE([#include <netinet/in.h>], [
1427                 struct ip_mreqn mreq;
1428                 mreq.imr_address.s_addr = 0;
1429         ], [
1430                 # Yes, we have it...
1431                 AC_MSG_RESULT(yes)
1432                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1433         ], [
1434                 # We'll just have to try and use struct ip_mreq
1435                 AC_MSG_RESULT(no)
1436                 AC_MSG_CHECKING(for struct ip_mreq)
1437                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1438                         struct ip_mreq mreq;
1439                         mreq.imr_interface.s_addr = 0;
1440                 ], [
1441                         # Yes, we have it...
1442                         AC_MSG_RESULT(yes)
1443                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1444                 ], [
1445                         # No multicast support
1446                         AC_MSG_RESULT(no)
1447                 ])
1448         ])
1449         
1450         dnl **********************************
1451         dnl *** Check for gethostbyname2_r ***
1452         dnl **********************************
1453         AC_MSG_CHECKING(for gethostbyname2_r)
1454                 AC_TRY_LINK([#include <netdb.h>], [
1455                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1456         ], [
1457                 # Yes, we have it...
1458                 AC_MSG_RESULT(yes)
1459                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1460         ], [
1461                 AC_MSG_RESULT(no)
1462         ])
1463
1464         dnl *****************************
1465         dnl *** Checks for libnsl     ***
1466         dnl *****************************
1467         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1468
1469         AC_CHECK_FUNCS(inet_pton inet_aton)
1470
1471         dnl ***********************************************
1472         dnl *** Checks for size of sockaddr_un.sun_path ***
1473         dnl ***********************************************
1474         # AC_CHECK_SIZEOF can't cope with struct members :-(
1475         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1476         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1477                 [AC_TRY_RUN([
1478                         #include <sys/types.h>
1479                         #include <stdio.h>
1480                         #include <sys/un.h>
1481
1482                         int main(void) {
1483                                 struct sockaddr_un sock_un;
1484                                 FILE *f=fopen("conftestval", "w");
1485                                 if(!f) exit(1);
1486                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1487                                 exit(0);
1488                         }
1489                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1490                    mono_cv_sizeof_sunpath=0,
1491                    mono_cv_sizeof_sunpath=0)])dnl
1492         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1493         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1494
1495         dnl *****************************
1496         dnl *** Checks for libxnet    ***
1497         dnl *****************************
1498         case "${host}" in
1499                 *solaris* )
1500                         AC_MSG_CHECKING(for Solaris XPG4 support)
1501                         if test -f /usr/lib/libxnet.so; then
1502                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1503                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1504                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1505                                 LIBS="$LIBS -lxnet"
1506                                 AC_MSG_RESULT(yes)
1507                         else
1508                                 AC_MSG_RESULT(no)
1509                         fi
1510
1511                         if test "$GCC" = "yes"; then
1512                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1513                         fi
1514                 ;;
1515         esac
1516
1517         dnl *****************************
1518         dnl *** Checks for libpthread ***
1519         dnl *****************************
1520 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1521 # and libpthread does not exist
1522 #
1523         case "${host}" in
1524                 *-*-*freebsd*)
1525                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1526                 ;;
1527                 *-*-*openbsd*)
1528                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1529                 ;;
1530                 *)
1531                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1532                 ;;
1533         esac
1534         AC_CHECK_HEADERS(pthread.h)
1535         AC_CHECK_HEADERS(pthread_np.h)
1536         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1537         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1538         AC_CHECK_FUNCS(pthread_kill)
1539         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1540         AC_TRY_COMPILE([ #include <pthread.h>], [
1541                 pthread_mutexattr_t attr;
1542                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1543         ], [
1544                 AC_MSG_RESULT(ok)
1545         ], [
1546                 AC_MSG_RESULT(no)
1547                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1548                 AC_DEFINE(USE_MONO_MUTEX, 1, [Use mono_mutex_t])
1549         ])
1550         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1551         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1552         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1553
1554         dnl ***********************************
1555         dnl *** Checks for signals
1556         dnl ***********************************
1557         AC_CHECK_HEADERS(signal.h)
1558         AC_CHECK_FUNCS(sigaction)
1559
1560         dnl ***********************************
1561         dnl *** Checks for working __thread ***
1562         dnl ***********************************
1563         AC_MSG_CHECKING(for working __thread)
1564         if test "x$with_tls" != "x__thread"; then
1565                 AC_MSG_RESULT(disabled)
1566         else
1567                 AC_TRY_RUN([
1568                         #include <pthread.h>
1569                         __thread int i;
1570                         static int res1, res2;
1571
1572                         void thread_main (void *arg)
1573                         {
1574                                 i = arg;
1575                                 sleep (1);
1576                                 if (arg == 1)
1577                                         res1 = (i == arg);
1578                                 else
1579                                         res2 = (i == arg);
1580                         }
1581
1582                         int main () {
1583                                 pthread_t t1, t2;
1584
1585                                 i = 5;
1586
1587                                 pthread_create (&t1, NULL, thread_main, 1);
1588                                 pthread_create (&t2, NULL, thread_main, 2);
1589
1590                                 pthread_join (t1, NULL);
1591                                 pthread_join (t2, NULL);
1592
1593                                 return !(res1 + res2 == 2);
1594                         }
1595                 ], [
1596                                 AC_MSG_RESULT(yes)
1597                 ], [
1598                                 AC_MSG_RESULT(no)
1599                                 with_tls=pthread
1600                 ])
1601         fi
1602
1603         dnl **************************************
1604         dnl *** Checks for working sigaltstack ***
1605         dnl **************************************
1606         AC_MSG_CHECKING(for working sigaltstack)
1607         if test "x$with_sigaltstack" != "xyes"; then
1608                 AC_MSG_RESULT(disabled)
1609         else
1610                 AC_TRY_RUN([
1611                         #include <stdio.h>
1612                         #include <stdlib.h>
1613                         #include <unistd.h>
1614                         #include <signal.h>
1615                         #include <pthread.h>
1616                         #include <sys/wait.h>
1617                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1618                         #define SA_STACK SA_ONSTACK
1619                         #endif
1620                         static void
1621                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1622                         {
1623                                 exit (0);
1624                         }
1625
1626                         volatile char*__ptr = NULL;
1627                         static void *
1628                         loop (void *ignored)
1629                         {
1630                                 *__ptr = 0;
1631                                 return NULL;
1632                         }
1633
1634                         static void
1635                         child ()
1636                         {
1637                                 struct sigaction sa;
1638                         #ifdef __APPLE__
1639                                 stack_t sas;
1640                         #else
1641                                 struct sigaltstack sas;
1642                         #endif
1643                                 pthread_t id;
1644                                 pthread_attr_t attr;
1645
1646                                 sa.sa_sigaction = sigsegv_signal_handler;
1647                                 sigemptyset (&sa.sa_mask);
1648                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1649                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1650                                         perror ("sigaction");
1651                                         return;
1652                                 }
1653
1654                                 /* x86 darwin deliver segfaults using SIGBUS */
1655                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1656                                         perror ("sigaction");
1657                                         return;
1658                                 }
1659                                 sas.ss_sp = malloc (SIGSTKSZ);
1660                                 sas.ss_size = SIGSTKSZ;
1661                                 sas.ss_flags = 0;
1662                                 if (sigaltstack (&sas, NULL) == -1) {
1663                                         perror ("sigaltstack");
1664                                         return;
1665                                 }
1666
1667                                 pthread_attr_init (&attr);
1668                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1669                                         printf ("pthread_create\n");
1670                                         return;
1671                                 }
1672
1673                                 sleep (100);
1674                         }
1675
1676                         int
1677                         main ()
1678                         {
1679                                 pid_t son;
1680                                 int status;
1681                                 int i;
1682
1683                                 son = fork ();
1684                                 if (son == -1) {
1685                                         return 1;
1686                                 }
1687
1688                                 if (son == 0) {
1689                                         child ();
1690                                         return 0;
1691                                 }
1692
1693                                 for (i = 0; i < 300; ++i) {
1694                                         waitpid (son, &status, WNOHANG);
1695                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1696                                                 return 0;
1697                                         usleep (10000);
1698                                 }
1699
1700                                 kill (son, SIGKILL);
1701                                 return 1;
1702                         }
1703
1704                 ], [
1705                                 AC_MSG_RESULT(yes)
1706                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1707                 ], [
1708                                 with_sigaltstack=no
1709                                 AC_MSG_RESULT(no)
1710                 ])
1711         fi
1712
1713         dnl ********************************
1714         dnl *** Checks for semaphore lib ***
1715         dnl ********************************
1716         # 'Real Time' functions on Solaris
1717         # posix4 on Solaris 2.6
1718         # pthread (first!) on Linux
1719         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1720
1721         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1722         AC_CHECK_FUNCS(shm_open)
1723
1724         dnl ********************************
1725         dnl *** Checks for timezone stuff **
1726         dnl ********************************
1727         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1728                 AC_TRY_COMPILE([
1729                         #include <time.h>
1730                         ], [
1731                         struct tm tm;
1732                         tm.tm_gmtoff = 1;
1733                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1734         if test $ac_cv_struct_tm_gmtoff = yes; then
1735                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1736         else
1737                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1738                         AC_TRY_COMPILE([
1739                                 #include <time.h>
1740                         ], [
1741                                 timezone = 1;
1742                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1743                 if test $ac_cv_var_timezone = yes; then
1744                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1745                 else
1746                         AC_ERROR(unable to find a way to determine timezone)
1747                 fi
1748         fi
1749
1750         dnl *********************************
1751         dnl *** Checks for math functions ***
1752         dnl *********************************
1753         AC_SEARCH_LIBS(sqrtf, m)
1754         if test "x$has_broken_apple_cpp" != "xyes"; then
1755                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1756                         AC_TRY_LINK([#include <math.h>], 
1757                         [ finite(0.0); ], 
1758                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1759                         AC_MSG_RESULT(no)))
1760         fi
1761         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1762                 AC_TRY_LINK([#include <math.h>], 
1763                 [ isfinite(0.0); ], 
1764                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1765                 AC_MSG_RESULT(no)))
1766
1767         dnl ****************************************************************
1768         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1769         dnl *** have it in the library (duh))                            ***
1770         dnl ****************************************************************
1771         AC_CHECK_FUNCS(poll)
1772
1773         dnl *************************
1774         dnl *** Check for signbit ***
1775         dnl *************************
1776         AC_MSG_CHECKING(for signbit)
1777         AC_TRY_LINK([#include <math.h>], [
1778                 int s = signbit(1.0);
1779         ], [
1780                 AC_MSG_RESULT(yes)
1781                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1782         ], [
1783                 AC_MSG_RESULT(no)
1784         ]) 
1785
1786         dnl **********************************
1787         dnl *** epoll                      ***
1788         dnl **********************************
1789         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1790                 AC_CHECK_HEADERS(sys/epoll.h)
1791                 haveepoll=no
1792                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1793                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1794                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1795                 fi
1796         fi
1797
1798         havekqueue=no
1799         AC_CHECK_FUNCS(kqueue, , AC_MSG_CHECKING(for kqueue in sys/event.h)
1800                 AC_TRY_LINK([#include <sys/event.h>], 
1801                 [ kqueue(); ],[havekqueue=yes],[]))
1802
1803         dnl **************************************
1804         dnl * Darwin has a race that prevents us from using reliably:
1805         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1806         dnl * Since kqueue is mostly used for scaling large web servers, 
1807         dnl * and very few folks run Mono on large web servers on OSX, falling
1808         dnl * back 
1809         dnl **************************************
1810         if test x$havekqueue = xyes; then
1811                 if x$platform_darwin = xno; then
1812                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1813                 fi
1814         fi
1815
1816         dnl ******************************
1817         dnl *** Checks for SIOCGIFCONF ***
1818         dnl ******************************
1819         AC_CHECK_HEADERS(sys/ioctl.h)
1820         AC_CHECK_HEADERS(net/if.h, [], [],
1821            [
1822            #ifdef HAVE_SYS_TYPES_H
1823            # include <sys/types.h>
1824            #endif
1825            #ifdef HAVE_SYS_SOCKET_H
1826            # include <sys/socket.h>
1827            #endif
1828            ])
1829         AC_MSG_CHECKING(for ifreq)
1830         AC_TRY_COMPILE([
1831                 #include <stdio.h>
1832                 #include <sys/ioctl.h>
1833                 #include <net/if.h>
1834                 ], [
1835                 struct ifconf ifc;
1836                 struct ifreq *ifr;
1837                 void *x;
1838                 ifc.ifc_len = 0;
1839                 ifc.ifc_buf = NULL;
1840                 x = (void *) &ifr->ifr_addr;
1841                 ],[
1842                         AC_MSG_RESULT(yes)
1843                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1844                 ], [
1845                         AC_MSG_RESULT(no)
1846                 ])
1847         dnl **********************************
1848         dnl ***     Checks for sin_len     ***
1849         dnl **********************************
1850         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1851         AC_TRY_COMPILE([
1852                 #include <netinet/in.h>
1853                 ], [
1854                 struct sockaddr_in saddr;
1855                 saddr.sin_len = sizeof (saddr);
1856                 ],[
1857                         AC_MSG_RESULT(yes)
1858                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1859                 ], [
1860                         AC_MSG_RESULT(no)
1861                 ])      
1862         dnl **********************************
1863         dnl ***    Checks for sin6_len     ***
1864         dnl **********************************
1865         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1866         AC_TRY_COMPILE([
1867                 #include <netinet/in.h>
1868                 ], [
1869                 struct sockaddr_in6 saddr6;
1870                 saddr6.sin6_len = sizeof (saddr6);
1871                 ],[
1872                         AC_MSG_RESULT(yes)
1873                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1874                 ], [
1875                         AC_MSG_RESULT(no)
1876                 ])
1877         dnl **********************************
1878         dnl *** Check for getifaddrs       ***
1879         dnl **********************************
1880         AC_MSG_CHECKING(for getifaddrs)
1881                 AC_TRY_LINK([
1882                 #include <stdio.h>
1883                 #include <sys/types.h>
1884                 #include <sys/socket.h>
1885                 #include <ifaddrs.h>
1886         ], [
1887                 getifaddrs(NULL);
1888         ], [
1889                 # Yes, we have it...
1890                 AC_MSG_RESULT(yes)
1891                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1892         ], [
1893                 AC_MSG_RESULT(no)
1894         ])
1895         dnl **********************************
1896         dnl *** Check for if_nametoindex   ***
1897         dnl **********************************
1898         AC_MSG_CHECKING(for if_nametoindex)
1899                 AC_TRY_LINK([
1900                 #include <stdio.h>
1901                 #include <sys/types.h>
1902                 #include <sys/socket.h>
1903                 #include <net/if.h>
1904         ], [
1905                 if_nametoindex(NULL);
1906         ], [
1907                 # Yes, we have it...
1908                 AC_MSG_RESULT(yes)
1909                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1910         ], [
1911                 AC_MSG_RESULT(no)
1912         ])
1913                         
1914         dnl **********************************
1915         dnl *** Checks for MonoPosixHelper ***
1916         dnl **********************************
1917         AC_CHECK_HEADERS(checklist.h)
1918         AC_CHECK_HEADERS(pathconf.h)
1919         AC_CHECK_HEADERS(fstab.h)
1920         AC_CHECK_HEADERS(attr/xattr.h)
1921         AC_CHECK_HEADERS(sys/extattr.h)
1922         AC_CHECK_HEADERS(sys/sendfile.h)
1923         AC_CHECK_HEADERS(sys/statvfs.h)
1924         AC_CHECK_HEADERS(sys/statfs.h)
1925         AC_CHECK_HEADERS(sys/vfstab.h)
1926         AC_CHECK_HEADERS(sys/xattr.h)
1927         AC_CHECK_HEADERS(sys/mman.h)
1928         AC_CHECK_HEADERS(sys/param.h)
1929         AC_CHECK_HEADERS(sys/mount.h, [], [],
1930                 [
1931                 #ifdef HAVE_SYS_PARAM_H
1932                 # include <sys/param.h>
1933                 #endif
1934                 ])
1935         AC_CHECK_HEADERS(sys/mount.h)
1936         AC_CHECK_FUNCS(confstr)
1937         AC_CHECK_FUNCS(seekdir telldir)
1938         AC_CHECK_FUNCS(getdomainname)
1939         AC_CHECK_FUNCS(setdomainname)
1940         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1941         AC_CHECK_FUNCS(setgroups)
1942         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1943         AC_CHECK_FUNCS(getfsstat)
1944         AC_CHECK_FUNCS(lutimes futimes)
1945         AC_CHECK_FUNCS(mremap)
1946         AC_CHECK_FUNCS(remap_file_pages)
1947         AC_CHECK_FUNCS(posix_fadvise)
1948         AC_CHECK_FUNCS(posix_fallocate)
1949         AC_CHECK_FUNCS(posix_madvise)
1950         AC_CHECK_FUNCS(vsnprintf)
1951         AC_CHECK_FUNCS(sendfile)
1952         AC_CHECK_FUNCS(gethostid sethostid)
1953         AC_CHECK_FUNCS(sethostname)
1954         AC_CHECK_FUNCS(statfs)
1955         AC_CHECK_FUNCS(fstatfs)
1956         AC_CHECK_FUNCS(statvfs)
1957         AC_CHECK_FUNCS(fstatvfs)
1958         AC_CHECK_FUNCS(stime)
1959         AC_CHECK_FUNCS(strerror_r)
1960         AC_CHECK_FUNCS(ttyname_r)
1961         AC_CHECK_FUNCS(psignal)
1962         AC_CHECK_FUNCS(getlogin_r)
1963         AC_CHECK_FUNCS(lockf)
1964         AC_CHECK_FUNCS(swab)
1965         AC_CHECK_FUNCS(setusershell endusershell)
1966         AC_CHECK_FUNCS(futimens utimensat)
1967         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
1968         AC_CHECK_FUNCS(readv writev preadv pwritev)
1969         AC_CHECK_SIZEOF(size_t)
1970         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
1971                 [#include <sys/types.h>
1972                  #include <sys/stat.h>
1973                  #include <unistd.h>])
1974         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1975                 [#include <sys/types.h>
1976                  #include <sys/stat.h>
1977                  #include <unistd.h>])
1978         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1979                 [#include <sys/time.h>])
1980         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
1981                 [#include <unistd.h>
1982                  #include <fcntl.h>])
1983         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
1984                 [#include <sys/uio.h>])
1985         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1986                 [#include <sys/poll.h>])
1987         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1988                 [#include <sys/types.h>
1989                  #include <sys/stat.h>
1990                  #include <unistd.h>])
1991         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
1992                 [#include <time.h>])
1993         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1994                 [#include <sys/time.h>
1995                  #include <sys/types.h>
1996                  #include <utime.h>])
1997         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1998                 [#include <sys/time.h>])
1999         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2000                 [#include <sys/types.h>
2001                  #include <utime.h>])
2002         AC_CHECK_MEMBERS(
2003                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2004                 [#include <sys/types.h>
2005                  #include <dirent.h>])
2006         AC_CHECK_MEMBERS(
2007                 [struct passwd.pw_gecos],,, 
2008                 [#include <sys/types.h>
2009                  #include <pwd.h>])
2010         AC_CHECK_MEMBERS(
2011                 [struct statfs.f_flags],,, 
2012                 [#include <sys/types.h>
2013                  #include <sys/vfs.h>])
2014         AC_CHECK_MEMBERS(
2015                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2016                 [#include <sys/types.h>
2017                  #include <sys/stat.h>
2018                  #include <unistd.h>])
2019
2020         dnl Favour xattr through glibc, but use libattr if we have to
2021         AC_CHECK_FUNC(lsetxattr, ,
2022                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2023         )
2024         AC_SUBST(XATTR_LIB)
2025
2026         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2027         AC_CHECK_MEMBERS(
2028                 [struct kinfo_proc.kp_proc],,, 
2029                 [#include <sys/types.h>
2030                  #include <sys/param.h>
2031                  #include <sys/sysctl.h>
2032                  #include <sys/proc.h>
2033                  ])
2034
2035         dnl *********************************
2036         dnl *** Checks for Windows compilation ***
2037         dnl *********************************
2038         AC_CHECK_HEADERS(sys/time.h)
2039         AC_CHECK_HEADERS(sys/param.h)
2040         AC_CHECK_HEADERS(dirent.h)
2041
2042         dnl ******************************************
2043         dnl *** Checks for OSX and iOS compilation ***
2044         dnl ******************************************
2045         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2046
2047         dnl *********************************
2048         dnl *** Check for Console 2.0 I/O ***
2049         dnl *********************************
2050         AC_CHECK_HEADERS([curses.h])
2051         AC_CHECK_HEADERS([term.h], [], [],
2052         [#if HAVE_CURSES_H
2053          #include <curses.h>
2054          #endif
2055         ])
2056         AC_CHECK_HEADERS([termios.h])
2057
2058         dnl * This is provided in io-layer, but on windows it's only available
2059         dnl * on xp+
2060         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2061 else
2062         dnl *********************************
2063         dnl *** Checks for Windows compilation ***
2064         dnl *********************************
2065         AC_CHECK_HEADERS(winternl.h)
2066
2067         jdk_headers_found=no
2068         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2069         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2070         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2071         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2072         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2073         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2074         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2075
2076         dnl *********************************
2077         dnl *** Check for struct ip_mreqn ***
2078         dnl *********************************
2079         AC_MSG_CHECKING(for struct ip_mreqn)
2080         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2081                 struct ip_mreqn mreq;
2082                 mreq.imr_address.s_addr = 0;
2083         ], [
2084                 # Yes, we have it...
2085                 AC_MSG_RESULT(yes)
2086                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2087         ], [
2088                 # We'll just have to try and use struct ip_mreq
2089                 AC_MSG_RESULT(no)
2090                 AC_MSG_CHECKING(for struct ip_mreq)
2091                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2092                         struct ip_mreq mreq;
2093                         mreq.imr_interface.s_addr = 0;
2094                 ], [
2095                         # Yes, we have it...
2096                         AC_MSG_RESULT(yes)
2097                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2098                 ], [
2099                         # No multicast support
2100                         AC_MSG_RESULT(no)
2101                 ])
2102         ])
2103         AC_CHECK_FUNCS(GetProcessId)
2104 fi
2105
2106 dnl socklen_t check
2107 AC_MSG_CHECKING(for socklen_t)
2108 AC_TRY_COMPILE([
2109 #include <sys/types.h>
2110 #include <sys/socket.h>
2111 ],[
2112   socklen_t foo;
2113 ],[
2114 ac_cv_c_socklen_t=yes
2115         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2116         AC_MSG_RESULT(yes)
2117 ],[
2118         AC_MSG_RESULT(no)
2119 ])
2120
2121 AC_MSG_CHECKING(for array element initializer support)
2122 AC_TRY_COMPILE([#include <sys/socket.h>], [
2123         const int array[] = {[1] = 2,};
2124 ], [
2125         # Yes, we have it...
2126         AC_MSG_RESULT(yes)
2127         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2128 ], [
2129         # We'll have to use signals
2130         AC_MSG_RESULT(no)
2131 ])
2132
2133 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2134         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2135         AC_TRY_LINK([#include <math.h>], 
2136         [ static void *p = &trunc; ],
2137         [
2138                 AC_DEFINE(HAVE_TRUNC) 
2139                 AC_MSG_RESULT(yes)
2140                 ac_cv_trunc=yes
2141         ],
2142         AC_MSG_RESULT(no)))
2143
2144 if test "x$ac_cv_truncl" != "xyes"; then
2145    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2146 fi
2147
2148 AC_CHECK_FUNCS(round)
2149 AC_CHECK_FUNCS(rint)
2150 AC_CHECK_FUNCS(execvp)
2151
2152 dnl ****************************
2153 dnl *** Look for /dev/random ***
2154 dnl ****************************
2155
2156 AC_MSG_CHECKING([if usage of random device is requested])
2157 AC_ARG_ENABLE(dev-random,
2158 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2159 try_dev_random=$enableval, try_dev_random=yes)
2160
2161 AC_MSG_RESULT($try_dev_random)
2162
2163 case "{$build}" in
2164     *-openbsd*)
2165     NAME_DEV_RANDOM="/dev/srandom"
2166     ;;
2167
2168 dnl Win32 does not have /dev/random, they have their own method...
2169
2170     *-mingw*|*-*-cygwin*)
2171     ac_cv_have_dev_random=no
2172     ;;
2173
2174 dnl Everywhere else, it's /dev/random
2175
2176     *)
2177     NAME_DEV_RANDOM="/dev/random"
2178     ;;
2179 esac
2180
2181 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2182
2183 dnl Now check if the device actually exists
2184
2185 if test "x$try_dev_random" = "xyes"; then
2186     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2187     [if test -r "$NAME_DEV_RANDOM" ; then
2188         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2189     if test "x$ac_cv_have_dev_random" = "xyes"; then
2190         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2191     fi
2192 else
2193     AC_MSG_CHECKING(for random device)
2194     ac_cv_have_dev_random=no
2195     AC_MSG_RESULT(has been disabled)
2196 fi
2197
2198 if test "x$host_win32" = "xyes"; then
2199     AC_DEFINE(HAVE_CRYPT_RNG)
2200 fi
2201
2202 if test "x$ac_cv_have_dev_random" = "xno" \
2203     && test "x$host_win32" = "xno"; then
2204     AC_MSG_WARN([[
2205 ***
2206 *** A system-provided entropy source was not found on this system.
2207 *** Because of this, the System.Security.Cryptography random number generator
2208 *** will throw a NotImplemented exception.
2209 ***
2210 *** If you are seeing this message, and you know your system DOES have an
2211 *** entropy collection in place, please contact <crichton@gimp.org> and
2212 *** provide information about the system and how to access the random device.
2213 ***
2214 *** Otherwise you can install either egd or prngd and set the environment
2215 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2216 ***]])
2217 fi
2218  
2219 AC_MSG_CHECKING([if inter-process shared handles are requested])
2220 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2221 AC_MSG_RESULT($try_shared_handles)
2222 if test "x$try_shared_handles" != "xyes"; then
2223         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2224         AC_SUBST(DISABLE_SHARED_HANDLES)
2225 fi
2226
2227 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2228
2229 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2230 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2231
2232 AC_MSG_CHECKING([if big-arrays are to be enabled])
2233 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2234 if test "x$enable_big_arrays" = "xyes" ; then
2235     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2236         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2237     else
2238         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2239     fi
2240 fi
2241 AC_MSG_RESULT($enable_big_arrays)
2242
2243 dnl **************
2244 dnl *** DTRACE ***
2245 dnl **************
2246
2247 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2248
2249 if test "x$enable_dtrace" = "xyes"; then
2250    if test "x$has_dtrace" = "xno"; then
2251           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2252    fi
2253    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2254    if test "x$DTRACE" = "xno"; then
2255           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2256           enable_dtrace=no
2257    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2258           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2259           enable_dtrace=no
2260    fi
2261 fi
2262
2263 dtrace_g=no
2264 if test "x$enable_dtrace" = "xyes"; then
2265         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2266         DTRACEFLAGS=
2267         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2268                 case "$host" in
2269                         powerpc-*-darwin*)
2270                         DTRACEFLAGS="-arch ppc64"
2271                         ;;
2272                         i*86-*-darwin*)
2273                         DTRACEFLAGS="-arch x86_64"
2274                         ;;
2275                         *)
2276                         DTRACEFLAGS=-64
2277                         ;;
2278                 esac
2279         else
2280                 case "$host" in
2281                         powerpc-*-darwin*)
2282                         DTRACEFLAGS="-arch ppc"
2283                         ;;
2284                         i*86-*-darwin*)
2285                         DTRACEFLAGS="-arch i386"
2286                         ;;
2287                         *)
2288                         DTRACEFLAGS=-32
2289                         ;;
2290                 esac
2291         fi
2292         AC_SUBST(DTRACEFLAGS)
2293         case "$host" in
2294                 *-*-solaris*)
2295                 dtrace_g=yes
2296                 ;;
2297         esac
2298         AC_CHECK_HEADERS([sys/sdt.h])
2299 fi
2300 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2301 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2302
2303 dnl **************
2304 dnl ***  NaCl  ***
2305 dnl **************
2306
2307 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2308 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2309
2310 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2311
2312 dnl
2313 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2314 dnl
2315 nacl_self_host=""
2316 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2317    nacl_self_host="nacl_self_host"
2318 fi
2319 AC_SUBST(nacl_self_host)
2320
2321 if test "x$enable_nacl_codegen" = "xyes"; then
2322    MONO_NACL_ALIGN_MASK_OFF=1
2323    CPPFLAGS="$CPPFLAGS -D__native_client_codegen__"
2324    AC_DEFINE(TARGET_NACL, 1, [...])
2325 else
2326    MONO_NACL_ALIGN_MASK_OFF=0
2327    CPPFLAGS="$CPPFLAGS -D__default_codegen__"
2328 fi
2329 if test "x$enable_nacl_gc" = "xyes"; then
2330    CPPFLAGS="$CPPFLAGS -finstrument-for-thread-suspension -D__native_client_gc__"
2331 fi
2332 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2333
2334 dnl **************
2335 dnl ***  LLVM  ***
2336 dnl **************
2337
2338 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2339 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2340
2341 if test "x$enable_llvm" = "xyes"; then
2342    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2343    if test "x$LLVM_CONFIG" = "xno"; then
2344           AC_MSG_ERROR([llvm-config not found.])
2345    fi
2346
2347    llvm_codegen="x86codegen"
2348    case "$target" in
2349    arm*)
2350                 llvm_codegen="armcodegen"
2351                 ;;
2352    esac
2353
2354
2355    # The output of --cflags seems to include optimizations flags too
2356    LLVM_CFLAGS=`$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'`
2357    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2358    # from LLVM classes.
2359    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2360    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2361    LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2362    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2363
2364    # Should be something like '2.6' or '2.7svn'
2365    llvm_version=`$LLVM_CONFIG --version`
2366    major_version=`echo $llvm_version | cut -c 1`
2367    minor_version=`echo $llvm_version | cut -c 3`
2368    AC_MSG_CHECKING(LLVM version)
2369    AC_MSG_RESULT($llvm_version)
2370    if echo $llvm_version | grep -q 'mono'; then
2371           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2372           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"       
2373    else
2374           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.])
2375    fi
2376
2377    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2378    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2379    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2380
2381    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2382    # llvm's config.h
2383    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2384
2385    AC_SUBST(LLVM_CFLAGS)
2386    AC_SUBST(LLVM_CXXFLAGS)
2387    AC_SUBST(LLVM_LIBS)
2388    AC_SUBST(LLVM_LDFLAGS)
2389    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2390 fi
2391
2392 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2393 if test "x$enable_loadedllvm" = "xyes"; then
2394    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2395 fi
2396 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2397
2398 TARGET="unknown"
2399 ACCESS_UNALIGNED="yes"
2400
2401 JIT_SUPPORTED=no
2402 INTERP_SUPPORTED=no
2403 LIBC="libc.so.6"
2404 INTL="libc.so.6"
2405 SQLITE="libsqlite.so.0"
2406 SQLITE3="libsqlite3.so.0"
2407 X11="libX11.so"
2408
2409 sizeof_register="SIZEOF_VOID_P"
2410
2411 jit_wanted=true
2412 interp_wanted=false
2413 sgen_supported=false
2414 case "$host" in
2415 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
2416 #               TARGET=MIPS;
2417 #               ACCESS_UNALIGNED="no"
2418 #               ;;
2419         mips*)
2420                 TARGET=MIPS;
2421                 arch_target=mips;
2422                 sgen_supported=true
2423                 ACCESS_UNALIGNED="no"
2424                 JIT_SUPPORTED=yes
2425
2426                 AC_MSG_CHECKING(for mips n32)
2427                 AC_TRY_COMPILE([],[
2428                 #if _MIPS_SIM != _ABIN32
2429                 #error Not mips n32
2430                 #endif
2431                 return 0;
2432                 ],[
2433                 AC_MSG_RESULT(yes)
2434                 sizeof_register=8
2435                 ],[
2436                 AC_MSG_RESULT(no)
2437                 ])
2438                 ;;
2439         i*86-*-*)
2440                 TARGET=X86;
2441                 arch_target=x86;
2442                 JIT_SUPPORTED=yes
2443                 case $host_os in
2444                   solaris*)
2445                         LIBC="libc.so"
2446                         INTL="libintl.so"
2447                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2448                                 TARGET=AMD64
2449                                 arch_target=amd64
2450                         fi
2451
2452                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2453                         # int astruct __attribute__ ((visibility ("hidden")));
2454                         # void foo ()
2455                         # {
2456                         #       void *p = &astruct;
2457                         # }
2458                         # gcc -fPIC --shared -o libfoo.so foo.c
2459                         # yields:
2460                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2461                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2462                         have_visibility_hidden=no
2463                         sgen_supported=true
2464                         ;;
2465                   cygwin*)
2466                         sgen_supported=true
2467                         have_visibility_hidden=no                 
2468                         ;;
2469                   haiku*)
2470                         LIBC=libroot.so
2471                         ;;
2472                   linux*)
2473                         sgen_supported=true
2474                         AOT_SUPPORTED="yes"
2475                         ;;
2476                   darwin*)
2477                         sgen_supported=true
2478                         AOT_SUPPORTED="yes"
2479                         ;;
2480                   darwin*|openbsd*|freebsd*)
2481                         sgen_supported=true
2482                         ;;
2483                 esac
2484                 ;;
2485         x86_64-*-* | amd64-*-*)
2486                 TARGET=AMD64;
2487                 arch_target=amd64;
2488                 JIT_SUPPORTED=yes
2489                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2490                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2491                         sizeof_register=8
2492                 fi
2493                 case $host_os in
2494                   linux*)
2495                         sgen_supported=true
2496                         AOT_SUPPORTED="yes"
2497                         ;;
2498                   darwin*|openbsd*|freebsd*)
2499                         sgen_supported=true
2500                         ;;
2501                 esac
2502                 case "$host" in
2503                         x86_64-*-nacl*)
2504                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2505                                 sizeof_register=8
2506                                 ;;
2507                 esac
2508                 ;;
2509         ia64-*-*)
2510                 TARGET=IA64
2511                 arch_target=ia64
2512                 ACCESS_UNALIGNED="no"
2513                 JIT_SUPPORTED=yes
2514                 LIBC="libc.so.6.1"
2515                 INTL="libc.so.6.1"
2516                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2517                 libmono_ldflags="-lunwind"
2518                 ;;
2519         sparc*-*-*)
2520                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2521                    TARGET=SPARC64
2522                 else
2523                         TARGET=SPARC
2524                 fi
2525                 arch_target=sparc;
2526                 JIT_SUPPORTED=yes
2527                 ACCESS_UNALIGNED="no"
2528                 case $host_os in
2529                   linux*) ;;
2530                   *)
2531                         LIBC="libc.so"
2532                         INTL="libintl.so"
2533                 esac
2534                 if test x"$GCC" = xyes; then
2535                         # We don't support v8 cpus
2536                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2537                 fi
2538                 if test x"$AR" = xfalse; then
2539                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2540                 fi
2541                 sgen_supported=true
2542                 ;;
2543         *-mingw*|*-*-cygwin*)
2544                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2545                 have_visibility_hidden=no
2546                 INTL="intl"
2547                 ;;
2548         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2549         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2550                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2551                         TARGET=POWERPC64;
2552                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2553                         CFLAGS="$CFLAGS -mminimal-toc"
2554                 else
2555                         TARGET=POWERPC;
2556                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2557                 fi
2558                 arch_target=ppc;
2559                 JIT_SUPPORTED=yes
2560                 case $host_os in
2561                   linux*|darwin*)
2562                         sgen_supported=true
2563                         ;;
2564                 esac
2565                 ;;
2566         arm*-darwin*)
2567                 TARGET=ARM;
2568                 arch_target=arm;
2569                 ACCESS_UNALIGNED="no"
2570                 JIT_SUPPORTED=yes
2571                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2572                 # libgc's gc_locks.h depends on this
2573             NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2574                 sgen_supported=true
2575                 ;;
2576         arm*-linux*)
2577                 TARGET=ARM;
2578                 arch_target=arm;
2579                 ACCESS_UNALIGNED="no"
2580                 JIT_SUPPORTED=yes
2581                 sgen_supported=true
2582                 AOT_SUPPORTED="yes"
2583                 if test "x$cross_compiling" != "xno"; then
2584                    # Provide sane defaults when cross-compiling
2585                    CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2586                    NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2587                 fi
2588                 ;;
2589         s390-*-linux*)
2590                 TARGET=S390;
2591                 arch_target=s390;
2592                 ACCESS_UNALIGNED="yes"
2593                 JIT_SUPPORTED=yes
2594                 sgen_supported=true
2595                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
2596                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2597                 ;;
2598         s390x-*-linux*)
2599                 TARGET=S390x;
2600                 arch_target=s390x;
2601                 ACCESS_UNALIGNED="yes"
2602                 JIT_SUPPORTED=yes
2603                 sgen_supported=true
2604                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2605                 ;;
2606 esac
2607
2608 HOST=$TARGET
2609
2610 if test "x$host" != "x$target"; then
2611    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2612    enable_mcs_build=no
2613    case "$target" in
2614    arm*-darwin*)
2615                 TARGET=ARM;
2616                 arch_target=arm;
2617                 ACCESS_UNALIGNED="no"
2618                 JIT_SUPPORTED=yes
2619                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2620                 jit_wanted=true
2621                 # Can't use tls, since it depends on the runtime detection of tls offsets
2622                 # in mono-compiler.h
2623                 with_tls=pthread
2624                 ;;
2625    powerpc64-ps3-linux-gnu)
2626                 TARGET=POWERPC64
2627                 arch_target=powerpc64
2628                 AC_DEFINE(TARGET_PS3, 1, [...])
2629                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2630                 # uses this define
2631                 AC_DEFINE(__mono_ppc64__, 1, [...])
2632                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2633                 sizeof_register=8
2634                 target_byte_order=G_BIG_ENDIAN
2635                 ;;
2636
2637    powerpc64-xbox360-linux-gnu)
2638                 TARGET=POWERPC64
2639                 arch_target=powerpc64
2640                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2641                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2642                 # uses this define
2643                 sizeof_register=8
2644                 target_byte_order=G_BIG_ENDIAN
2645                 ;;
2646    x86_64-*-nacl)
2647                 TARGET=AMD64
2648                 arch_target=amd64
2649                 AC_DEFINE(TARGET_AMD64, 1, [...])
2650                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2651                 sizeof_register=8
2652                 ;;
2653    i686-*-nacl)
2654                 TARGET=X86
2655                 arch_target=x86
2656                 AC_DEFINE(TARGET_X86, 1, [...])
2657                 sizeof_register=4
2658                 ;;
2659    arm*-unknown-linux-*)
2660                 TARGET=ARM;
2661                 arch_target=arm;
2662                 AC_DEFINE(TARGET_ARM, 1, [...])
2663                 ACCESS_UNALIGNED="no"
2664                 JIT_SUPPORTED=yes
2665                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2666                 jit_wanted=true
2667                 # Can't use tls, since it depends on the runtime detection of tls offsets
2668                 # in mono-compiler.h
2669                 with_tls=pthread
2670                 target_mach=no
2671                 case "$target" in
2672                 armv7l-unknown-linux-gnueabi*)
2673                         # TEGRA
2674                         CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1"
2675                         ;;
2676                 armv5-*-linux-androideabi*)
2677                         AC_DEFINE(TARGET_ANDROID, 1, [...])
2678                         CPPFLAGS="$CPPFLAGS -DARM_FPU_NONE"
2679                         ;;
2680                 esac
2681                 ;;
2682         *)
2683                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2684         esac
2685 fi
2686
2687 # FIXME: Define the others as well
2688 case "$TARGET" in
2689 X86)
2690         AC_DEFINE(TARGET_X86, 1, [...])
2691         ;;
2692 AMD64)
2693         AC_DEFINE(TARGET_AMD64, 1, [...])
2694         ;;
2695 ARM)
2696         AC_DEFINE(TARGET_ARM, 1, [...])
2697         ;;
2698 POWERPC)
2699         AC_DEFINE(TARGET_POWERPC, 1, [...])
2700         ;;
2701 POWERPC64)
2702         AC_DEFINE(TARGET_POWERPC, 1, [...])
2703         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2704         ;;
2705 S390x)
2706         AC_DEFINE(TARGET_S390X, 1, [...])
2707         ;;
2708 MIPS)
2709         AC_DEFINE(TARGET_MIPS, 1, [...])
2710         ;;
2711 esac
2712
2713 if test "x$target_mach" = "xyes"; then
2714    if test "x$TARGET" = "xARM"; then
2715           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2716           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2717           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2718    else
2719        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2720        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2721        #error fail this for ios
2722        #endif
2723        return 0;
2724        ], [
2725                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2726           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2727           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2728        ], [
2729           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2730           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2731           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2732        ])
2733         fi
2734    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2735 fi
2736
2737 if test "x$sizeof_register" = "x4"; then
2738    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2739 elif test "x$sizeof_register" = "x8"; then
2740    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2741 else
2742    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2743 fi
2744
2745 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2746    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2747 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2748    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2749 else
2750    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2751 fi
2752
2753 if test "x$have_visibility_hidden" = "xyes"; then
2754    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2755 fi
2756
2757 if test "x$have_deprecated" = "xyes"; then
2758    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2759 fi
2760
2761 dnl 
2762 dnl Simple Generational checks (sgen)
2763 dnl
2764 if $sgen_supported; then
2765    build_sgen_default=yes
2766 else
2767    build_sgen_default=no
2768 fi
2769 SGEN_DEFINES=
2770 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2771 if test x$buildsgen = xyes; then
2772    if $sgen_supported; then
2773        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2774        gc_msg="sgen and $gc_msg"
2775    else
2776        buildsgen=no
2777        AC_MSG_WARN("Sgen is not supported on this platform")
2778    fi
2779 fi
2780 AC_SUBST(SGEN_DEFINES)
2781 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2782
2783 USEJIT=false
2784 if test x$JIT_SUPPORTED = xyes; then
2785    if $jit_wanted; then
2786       USEJIT=true
2787       jit_status="Building and using the JIT"
2788    else
2789       if $interp_wanted; then
2790          jit_status="Building the JIT, defaulting to the interpreter"
2791       else
2792          AC_ERROR(No JIT or interpreter support available or selected.)
2793       fi
2794    fi
2795 else
2796    if test x$interp_wanted = xtrue; then
2797       jit_status="interpreter"
2798    else
2799       AC_ERROR(No JIT or interpreter support available or selected.)
2800    fi
2801 fi
2802
2803 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2804
2805 libsuffix=".so"
2806
2807 case "$host" in
2808      *-*-darwin*)
2809         libsuffix=".dylib"
2810         LIBC="libc.dylib"
2811         INTL="libintl.dylib"
2812         SQLITE="libsqlite.0.dylib"
2813         SQLITE3="libsqlite3.0.dylib"
2814         X11="libX11.dylib"
2815         ;;
2816      *-*-*netbsd*)
2817         LIBC="libc.so.12"
2818         INTL="libintl.so.0"
2819         ;;
2820     *-*-*freebsd*)
2821         LIBC="libc.so"
2822         INTL="libintl.so"
2823         SQLITE="libsqlite.so"
2824         SQLITE3="libsqlite3.so"
2825         ;;
2826     *-*-*openbsd*)
2827         LIBC="libc.so"
2828         INTL="libintl.so"
2829         SQLITE="libsqlite.so"
2830         SQLITE3="libsqlite3.so"
2831         ;;
2832     *-*-*linux*)
2833         AC_PATH_X
2834         AC_MSG_CHECKING(for the soname of libX11.so)
2835         for i in $x_libraries /usr/lib /usr/lib64; do
2836                 for r in 4 5 6; do
2837                         if test -f $i/libX11.so.$r; then
2838                                 X11=libX11.so.$r
2839                                 AC_MSG_RESULT($X11)
2840                         fi
2841                 done
2842         done
2843         
2844         if test "x$X11" = "xlibX11.so"; then
2845                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2846                 X11=libX11.so.6
2847         fi
2848         ;;
2849 esac
2850
2851
2852 AC_SUBST(libsuffix)
2853
2854 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2855         if test "x$with_tls" = "x__thread"; then
2856                 #
2857                 # On some linux distributions, TLS works in executables, but linking 
2858                 # against a shared library containing TLS fails with:
2859                 # undefined reference to `__tls_get_addr'
2860                 #
2861                 rm -f conftest.c conftest.so conftest
2862                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
2863                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2864                 $CC -o conftest conftest.so > /dev/null 2>&1
2865                 if test ! -f conftest; then
2866                    AC_MSG_WARN([Disabling usage of __thread.]);
2867                    with_tls=pthread
2868                 fi
2869                 rm -f conftest.c conftest.so conftest
2870         fi
2871 fi
2872
2873 mono_debugger_supported=no
2874 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
2875 if test "x$try_mono_debugger" = "xyes"; then
2876         if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xS390x"; then
2877                 if test x$use_included_gc = xyes; then
2878                         case "$host" in
2879                         *-*-*linux*)
2880                                 mono_debugger_supported=yes
2881                                 ;;
2882                         *86-apple-darwin*)
2883                                 mono_debugger_supported=yes
2884                                 ;;              
2885                         esac
2886                 fi
2887         fi
2888 fi
2889
2890 # disable the debugger entirely when building with moonlight
2891 if test "x$with_moonlight" != "xno"; then
2892         mono_debugger_supported=no
2893 fi
2894
2895 # mdb support for sgen is broken, disable it until further notice.
2896 mono_debugger_supported=no
2897
2898 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2899 if test "x$mono_debugger_supported" = "xyes"; then
2900         BOEHM_DEFINES="$BOEHM_DEFINES -DMONO_DEBUGGER_SUPPORTED"
2901         NESTED_LIBGC_FLAGS="-DMONO_DEBUGGER_SUPPORTED"
2902 fi
2903 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2904 AC_MSG_RESULT($mono_debugger_supported)
2905
2906 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
2907 if test "x$icall_symbol_map" = "xyes"; then
2908    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
2909 fi
2910
2911 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
2912 if test "x$icall_export" = "xyes"; then
2913    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
2914 fi
2915
2916 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
2917 if test "x$icall_tables" = "xno"; then
2918    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
2919 fi
2920
2921 if test "x$mono_cv_clang" = "xyes"; then
2922    # FIXME: This causes many compilation errors
2923    with_tls=pthread
2924 fi
2925
2926 if test "x$with_tls" = "x__thread"; then
2927         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2928         # Pass the information to libgc
2929         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2930         AC_MSG_CHECKING(if the tls_model attribute is supported)
2931         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2932                 ], [
2933                         AC_MSG_RESULT(yes)
2934                         # CLANG doesn't support this yet, and it prints warnings about it
2935                         if test "x$mono_cv_clang" = "xno"; then
2936                                 AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
2937                         fi
2938                 ], [
2939                         AC_MSG_RESULT(no)
2940         ])
2941 fi
2942
2943 if test ${TARGET} = ARM && test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2944         dnl ******************************************
2945         dnl *** Check to see what FPU is available ***
2946         dnl ******************************************
2947         AC_MSG_CHECKING(which FPU to use)
2948
2949         fpu=NONE
2950         if gcc -v 2>&1 | grep -q -- '--with-float=hard'; then
2951            fpu=VFP_HARD
2952         fi
2953
2954         if test x$fpu = xNONE; then
2955            ORIG_CFLAGS=$CFLAGS
2956            CFLAGS="$CFLAGS -mfpu=vfp -mfloat-abi=softfp"
2957            AC_TRY_RUN([
2958                                 int main () { __asm__ ("faddd   d7, d6, d7"); return 0; }
2959                                 ], fpu=VFP, fpu=NONE)
2960            CFLAGS=$ORIG_CFLAGS
2961         fi
2962
2963         if test x$fpu = xNONE; then
2964                 AC_TRY_COMPILE([], [
2965                         __asm__ ("ldfd f0, [r0]");
2966                         ], fpu=FPA, fpu=NONE)
2967         fi
2968
2969         AC_MSG_RESULT($fpu)
2970         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
2971         unset fpu
2972
2973         AC_MSG_CHECKING(for ARMV6)
2974         AC_TRY_RUN([
2975                 int main () { __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : "memory"); return 0; }
2976                         ], armv6=yes, armv6=no)
2977
2978         AC_MSG_RESULT($armv6)
2979         if test ${armv6} = yes; then
2980            AC_DEFINE(HAVE_ARMV6, 1, "Host supports ARMV6 instructions")
2981            # libgc's gc_locks.h depends on this
2982            NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2983         fi
2984 fi
2985
2986 if test ${TARGET} = ARM; then
2987         if test "x${with_jumptables}" = "xyes"; then
2988                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
2989         fi
2990 fi
2991
2992 if test ${TARGET} = unknown; then
2993         CPPFLAGS="$CPPFLAGS -DNO_PORT"
2994         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
2995 fi
2996
2997 if test ${ACCESS_UNALIGNED} = no; then
2998         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
2999 fi
3000
3001 case "x$gc" in
3002         xincluded)
3003                 # Pass CPPFLAGS to libgc configure
3004                 # We should use a separate variable for this to avoid passing useless and
3005                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3006                 # This should be executed late so we pick up the final version of CPPFLAGS
3007                 # The problem with this approach, is that during a reconfigure, the main
3008                 # configure scripts gets invoked with these arguments, so we use separate
3009                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3010                 TMP_CPPFLAGS="$CPPFLAGS $NESTED_LIBGC_FLAGS"
3011                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3012                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3013                 fi
3014                 # Don't pass -finstrument-for-thread-suspension in, 
3015                 # if these are instrumented it will be very bad news 
3016                 # (infinite recursion, undefined parking behavior, etc)
3017                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3018                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3019                 AC_CONFIG_SUBDIRS(libgc)
3020                 ;;
3021 esac
3022
3023 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
3024 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
3025 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
3026 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3027 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3028 AC_ARG_WITH(mobile,    [  --with-mobile=yes,no            If you want to build the Mobile assemblies (defaults to no)],        [], [with_mobile=no])
3029
3030 OPROFILE=no
3031 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3032         if test x$with_oprofile != xno; then
3033             oprofile_include=$with_oprofile/include
3034             if test ! -f $oprofile_include/opagent.h; then
3035                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3036                 fi
3037             OPROFILE=yes
3038                 OPROFILE_CFLAGS="-I$oprofile_include"
3039             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3040             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3041         fi
3042 ])
3043
3044 MALLOC_MEMPOOLS=no
3045 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3046         if test x$with_malloc_mempools = xyes; then
3047                 MALLOC_MEMPOOLS=yes
3048                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3049         fi
3050 ])
3051
3052
3053 DISABLE_MCS_DOCS=no
3054 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3055         if test x$with_mcs_docs != xyes; then
3056                 DISABLE_MCS_DOCS=yes
3057         fi
3058 ])
3059 if test x$with_profile4 != xyes; then
3060         DISABLE_MCS_DOCS=yes
3061 fi
3062
3063 MOONLIGHT_DEFINES=
3064 AC_ARG_WITH(moonlight, [  --with-moonlight=yes|no|only         If you want to build Mono for Moonlight (defaults to no)],[
3065         if test x$with_moonlight != xno; then
3066         MOONLIGHT_DEFINES="-DMOONLIGHT -DDISABLE_ASSEMBLY_REMAPPING "
3067         fi
3068 ], [with_moonlight=no])
3069 AC_SUBST(MOONLIGHT_DEFINES)
3070
3071 AC_ARG_WITH(moon_gc, [  --with-moon-gc=boehm,sgen               Select the gc to use with Moonlight (defaults to boehm)],[
3072         if test "x$with_moon_gc" != "xsgen"; then
3073                 with_moon_gc=boehm
3074         fi
3075 ], [with_moon_gc=boehm])
3076
3077 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)],[
3078         if test x$with_lazy_gc_thread_creation != xno ; then
3079                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3080         fi
3081 ], [with_lazy_gc_thread_creation=no])
3082
3083 AC_CHECK_HEADER([malloc.h], 
3084                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3085                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3086
3087 if test x"$GCC" = xyes; then
3088         # Implicit function declarations are not 64 bit safe
3089         # Do this late, since this causes lots of configure tests to fail
3090         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3091         # jay has a lot of implicit declarations
3092         JAY_CFLAGS="-Wno-implicit-function-declaration"
3093 fi
3094
3095 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3096 # instead of libmono-static.a
3097 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3098    LIBMONO_LA=libmini-static.la
3099 else
3100    LIBMONO_LA=libmono-$API_VER.la
3101 fi
3102 AC_SUBST(LIBMONO_LA)
3103
3104 dnl
3105 dnl Consistency settings
3106 dnl
3107 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3108    DISABLE_MCS_DOCS=yes
3109    with_profile2=no
3110    with_profile4=no
3111    with_profile4_5=no
3112    with_monodroid=no
3113    with_monotouch=no
3114 fi
3115
3116 if test x$DISABLE_MCS_DOCS = xyes; then
3117    docs_dir=""
3118 else
3119    docs_dir=docs
3120 fi
3121 AC_SUBST(docs_dir)
3122
3123 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3124 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3125
3126 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3127 AC_SUBST(OPROFILE_CFLAGS)
3128 AC_SUBST(OPROFILE_LIBS)
3129
3130 libmono_ldflags="$libmono_ldflags $LIBS"
3131
3132 AM_CONDITIONAL(MOONLIGHT, [test "x$with_moonlight" != "xno"])
3133
3134 AM_CONDITIONAL(ONLY_MOONLIGHT, [test "x$with_moonlight" = "xonly"])
3135 AM_CONDITIONAL(MOONLIGHT_BOEHM, [test "x$with_moon_gc" = "xboehm"])
3136 AM_CONDITIONAL(MOONLIGHT_SGEN, [test "x$with_moon_gc" = "xsgen"])
3137
3138 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3139 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3140 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3141 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3142 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3143 AM_CONDITIONAL(INSTALL_MOBILE, [test "x$with_mobile" = xyes])
3144 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3145
3146 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3147 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3148 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3149 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3150 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3151 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3152 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3153 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
3154 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3155 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3156 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3157 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3158 AM_CONDITIONAL(S390, test x$TARGET = xS390)
3159 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
3160 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3161 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3162 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3163 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3164
3165 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3166 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3167 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3168
3169 AC_SUBST(LIBC)
3170 AC_SUBST(INTL)
3171 AC_SUBST(SQLITE)
3172 AC_SUBST(SQLITE3)
3173 AC_SUBST(X11)
3174 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3175 AC_SUBST(arch_target)
3176 AC_SUBST(CFLAGS)
3177 AC_SUBST(CPPFLAGS)
3178 AC_SUBST(LDFLAGS)
3179
3180 mono_build_root=`pwd`
3181 AC_SUBST(mono_build_root)
3182
3183 if test x$USEJIT = xtrue; then
3184   mono_runtime=mono/mini/mono
3185 else
3186   mono_runtime=mono/interpreter/mint
3187 fi
3188 AC_SUBST(mono_runtime)
3189
3190 mono_cfg_root=$mono_build_root/runtime
3191 if test x$host_win32 = xyes; then
3192   if test "x$cross_compiling" = "xno"; then
3193     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3194   else
3195     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3196   fi
3197 else
3198   mono_cfg_dir=$mono_cfg_root/etc
3199 fi
3200 AC_SUBST(mono_cfg_dir)
3201
3202 AC_CONFIG_FILES([po/mcs/Makefile.in])
3203
3204 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3205 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3206
3207 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3208 [   depth=../../../..
3209     case $srcdir in
3210     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3211     .) reldir=$depth ;;
3212     *) reldir=$depth/$srcdir ;;
3213     esac
3214     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3215     cd runtime/etc/mono/1.0
3216     rm -f machine.config
3217     $LN_S $reldir/data/net_1_1/machine.config machine.config
3218     cd $depth
3219 ],[LN_S='$LN_S'])
3220
3221 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3222 [   depth=../../../..
3223     case $srcdir in
3224     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3225     .) reldir=$depth ;;
3226     *) reldir=$depth/$srcdir ;;
3227     esac
3228     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3229     cd runtime/etc/mono/2.0
3230     rm -f machine.config
3231     $LN_S $reldir/data/net_2_0/machine.config machine.config
3232     cd $depth
3233 ],[LN_S='$LN_S'])
3234
3235 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3236 [   depth=../../../..
3237     case $srcdir in
3238     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3239     .) reldir=$depth ;;
3240     *) reldir=$depth/$srcdir ;;
3241     esac
3242     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3243     cd runtime/etc/mono/2.0
3244     rm -f web.config
3245     $LN_S $reldir/data/net_2_0/web.config web.config
3246     cd $depth
3247 ],[LN_S='$LN_S'])
3248
3249 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3250 [   depth=../../..
3251     case $srcdir in
3252     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3253     .) reldir=$depth ;;
3254     *) reldir=$depth/$srcdir ;;
3255     esac
3256     $ac_aux_dir/install-sh -d runtime/etc/mono/
3257     cd runtime/etc/mono/
3258     rm -f browscap.ini
3259     $LN_S $reldir/data/browscap.ini browscap.ini
3260     cd $depth
3261 ],[LN_S='$LN_S'])
3262
3263 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3264 [   depth=../../../../..
3265     case $srcdir in
3266     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3267     .) reldir=$depth ;;
3268     *) reldir=$depth/$srcdir ;;
3269     esac
3270     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3271     cd runtime/etc/mono/2.0/Browsers
3272     rm -f Compat.browser
3273     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
3274     cd $depth
3275 ],[LN_S='$LN_S'])
3276
3277 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3278 [   depth=../../../..
3279     case $srcdir in
3280     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3281     .) reldir=$depth ;;
3282     *) reldir=$depth/$srcdir ;;
3283     esac
3284     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3285     cd runtime/etc/mono/4.0
3286     rm -f machine.config
3287     $LN_S $reldir/data/net_4_0/machine.config machine.config
3288     cd $depth
3289 ],[LN_S='$LN_S'])
3290
3291 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3292 [   depth=../../../..
3293     case $srcdir in
3294     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3295     .) reldir=$depth ;;
3296     *) reldir=$depth/$srcdir ;;
3297     esac
3298     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3299     cd runtime/etc/mono/4.0
3300     rm -f web.config
3301     $LN_S $reldir/data/net_4_0/web.config web.config
3302     cd $depth
3303 ],[LN_S='$LN_S'])
3304
3305 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3306 [   depth=../../../..
3307     case $srcdir in
3308     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3309     .) reldir=$depth ;;
3310     *) reldir=$depth/$srcdir ;;
3311     esac
3312     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3313     cd runtime/etc/mono/4.5
3314     rm -f machine.config
3315     $LN_S $reldir/data/net_4_5/machine.config machine.config
3316     cd $depth
3317 ],[LN_S='$LN_S'])
3318
3319 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3320 [   depth=../../../..
3321     case $srcdir in
3322     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3323     .) reldir=$depth ;;
3324     *) reldir=$depth/$srcdir ;;
3325     esac
3326     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3327     cd runtime/etc/mono/4.5
3328     rm -f web.config
3329     $LN_S $reldir/data/net_4_5/web.config web.config
3330     cd $depth
3331 ],[LN_S='$LN_S'])
3332
3333 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])
3334
3335 AC_OUTPUT([
3336 Makefile
3337 mono-core.spec
3338 mono-uninstalled.pc
3339 scripts/mono-find-provides
3340 scripts/mono-find-requires
3341 mono/Makefile
3342 mono/utils/Makefile
3343 mono/metadata/Makefile
3344 mono/dis/Makefile
3345 mono/cil/Makefile
3346 mono/arch/Makefile
3347 mono/arch/x86/Makefile
3348 mono/arch/amd64/Makefile
3349 mono/arch/ppc/Makefile
3350 mono/arch/sparc/Makefile
3351 mono/arch/s390/Makefile
3352 mono/arch/s390x/Makefile
3353 mono/arch/arm/Makefile
3354 mono/arch/ia64/Makefile
3355 mono/arch/mips/Makefile
3356 mono/interpreter/Makefile
3357 mono/tests/Makefile
3358 mono/tests/tests-config
3359 mono/tests/assemblyresolve/Makefile
3360 mono/tests/cas/Makefile
3361 mono/tests/cas/assembly/Makefile
3362 mono/tests/cas/demand/Makefile
3363 mono/tests/cas/inheritance/Makefile
3364 mono/tests/cas/linkdemand/Makefile
3365 mono/tests/cas/threads/Makefile
3366 mono/tests/gc-descriptors/Makefile
3367 mono/benchmark/Makefile
3368 mono/monograph/Makefile
3369 mono/io-layer/Makefile
3370 mono/mini/Makefile
3371 mono/profiler/Makefile
3372 m4/Makefile
3373 ikvm-native/Makefile
3374 scripts/Makefile
3375 man/Makefile
3376 docs/Makefile
3377 data/Makefile
3378 data/net_2_0/Makefile
3379 data/net_4_0/Makefile
3380 data/net_4_5/Makefile
3381 data/net_2_0/Browsers/Makefile
3382 data/mint.pc
3383 data/mono-2.pc
3384 data/monosgen-2.pc
3385 data/mono.pc
3386 data/mono-cairo.pc
3387 data/mono-nunit.pc
3388 data/mono-options.pc
3389 data/mono-lineeditor.pc
3390 data/monodoc.pc
3391 data/mono.web.pc
3392 data/dotnet.pc
3393 data/dotnet35.pc
3394 data/wcf.pc
3395 data/cecil.pc
3396 data/system.web.extensions_1.0.pc
3397 data/system.web.extensions.design_1.0.pc
3398 data/system.web.mvc.pc
3399 data/system.web.mvc2.pc
3400 data/system.web.mvc3.pc
3401 data/aspnetwebstack.pc
3402 data/reactive.pc
3403 samples/Makefile
3404 support/Makefile
3405 data/config
3406 tools/Makefile
3407 tools/locale-builder/Makefile
3408 tools/sgen/Makefile
3409 runtime/Makefile
3410 msvc/Makefile
3411 po/Makefile
3412 ])
3413
3414 # Update all submodules recursively to ensure everything is checked out
3415 $srcdir/scripts/update_submodules
3416
3417 if test x$host_win32 = xyes; then
3418    # Get rid of 'cyg' prefixes in library names
3419    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3420    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3421    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3422    # executable doesn't work...
3423    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3424 fi
3425
3426 (
3427   case $prefix in
3428   NONE) prefix=$ac_default_prefix ;;
3429   esac
3430   case $exec_prefix in
3431   NONE) exec_prefix='${prefix}' ;;
3432   esac
3433
3434   #
3435   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3436   # any existing config.make.  This allows people to share the same source tree
3437   # with different build directories, one native and one cross
3438   #
3439   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3440
3441     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3442
3443     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3444     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3445     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3446     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3447     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3448     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3449     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3450     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3451
3452     case $INSTALL in
3453     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3454     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3455     esac
3456
3457     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3458
3459     export VERSION
3460     [myver=$($AWK 'BEGIN {
3461       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3462       if(length(vsplit [1]) > 4) {
3463         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3464       }
3465       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3466     }')]
3467
3468     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3469
3470     if test x$platform_darwin = xyes; then
3471       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3472     fi
3473
3474         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3475            enable_system_aot=yes
3476         fi
3477
3478         if test "x$enable_loadedllvm" = "xyes"; then
3479            # This seems to fail on the x86 buildbots
3480            enable_system_aot=no
3481         fi
3482
3483     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3484       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3485     fi
3486
3487     if test x$DISABLE_MCS_DOCS = xyes; then
3488       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3489     fi
3490
3491     if test x$with_moonlight != xno; then
3492       echo "MOONLIGHT = 1" >> $srcdir/$mcsdir/build/config.make
3493     fi
3494
3495     if test x$has_extension_module != xno; then
3496         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3497     fi
3498
3499         default_profile=net_2_0
3500     if test -z "$INSTALL_4_0_TRUE"; then :
3501                 default_profile=net_4_0
3502     fi
3503     if test -z "$INSTALL_MONODROID_TRUE"; then :
3504                 default_profile=monodroid
3505     fi
3506     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3507                 default_profile=monotouch
3508     fi
3509     if test -z "$INSTALL_4_5_TRUE"; then :
3510                 default_profile=net_4_5
3511     fi
3512     
3513     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3514     
3515     if test "x$test_bcl_opt" = "xyes"; then    
3516       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3517     fi
3518
3519   fi
3520
3521   # if we have an olive folder, override the default settings
3522   if test -d $olivedir; then
3523
3524     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3525
3526       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3527
3528       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3529       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3530       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3531       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3532       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3533       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3534     fi
3535   fi
3536
3537 )
3538
3539 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3540
3541 echo "
3542         mcs source:    $mcsdir
3543
3544    Engine:
3545         GC:            $gc_msg 
3546         TLS:           $with_tls
3547         SIGALTSTACK:   $with_sigaltstack
3548         Engine:        $jit_status
3549         oprofile:      $OPROFILE
3550         BigArrays:     $enable_big_arrays
3551         DTrace:        $enable_dtrace
3552         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3553
3554    Libraries:
3555         .NET 2.0/3.5:  $with_profile2
3556         .NET 4.0:      $with_profile4
3557         .NET 4.5:      $with_profile4_5
3558         MonoDroid:     $with_monodroid
3559         MonoTouch:     $with_monotouch
3560         JNI support:   $jdk_headers_found
3561         libgdiplus:    $libgdiplus_msg
3562         zlib:          $zlib_msg
3563         $disabled
3564 "
3565 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3566    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3567 fi