Merge pull request #631 from kebby/master
[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, [3.0.12],
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                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
318                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
319                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
320                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
321                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
322                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
323                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
324                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
325                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
326                                 ;;
327                         arm*-darwin*)
328                                 has_dtrace=no
329                                 ;;                      
330                 esac
331                 ;;
332         *-*-haiku*)
333                 host_win32=no
334                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
335                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
336                 libdl=
337                 LIBS="$LIBS -lnetwork"
338                 need_link_unlink=yes
339                 AC_DEFINE(PTHREAD_POINTER_ID)
340                 libgc_threads=pthreads
341                 use_sigposix=yes
342                 ;;
343         *)
344                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
345                 host_win32=no
346                 libdl="-ldl"
347                 ;;
348 esac
349 AC_MSG_RESULT(ok)
350
351 if test x$need_link_unlink = xyes; then
352    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
353 fi
354
355 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
356 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
357 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
358 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
359 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
360 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
361
362 AC_CHECK_TOOL(CC, gcc, gcc)
363 AC_PROG_CC
364 AC_CHECK_TOOL(CXX, g++, g++)
365 AC_PROG_CXX
366 AM_PROG_AS
367 AC_PROG_INSTALL
368 AC_PROG_AWK
369 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
370 : ${CCAS='$(CC)'}
371 # Set ASFLAGS if not already set.
372 : ${CCASFLAGS='$(CFLAGS)'}
373 AC_SUBST(CCAS)
374 AC_SUBST(CCASFLAGS)
375
376 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
377 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
378 if test "x$CXX" = "xg++"; then
379         if test "x$GXX" != "xyes"; then
380                 # automake/libtool is so broken, it requires g++ even if the c++ sources
381                 # are inside automake conditionals
382                 AC_MSG_ERROR([You need to install g++])
383         fi
384 fi
385
386 dnl may require a specific autoconf version
387 dnl AC_PROG_CC_FOR_BUILD
388 dnl CC_FOR_BUILD not automatically detected
389 CC_FOR_BUILD=$CC
390 CFLAGS_FOR_BUILD=$CFLAGS
391 BUILD_EXEEXT=
392 if test "x$cross_compiling" = "xyes"; then
393         CC_FOR_BUILD=cc
394         CFLAGS_FOR_BUILD=
395         BUILD_EXEEXT=""
396 fi
397 AC_SUBST(CC_FOR_BUILD)
398 AC_SUBST(CFLAGS_FOR_BUILD)
399 AC_SUBST(HOST_CC)
400 AC_SUBST(BUILD_EXEEXT)
401
402 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
403 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
404
405 # Set STDC_HEADERS
406 AC_HEADER_STDC
407 AC_LIBTOOL_WIN32_DLL
408 # This causes monodis to not link correctly
409 #AC_DISABLE_FAST_INSTALL
410 AM_PROG_LIBTOOL
411 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
412 DOLT
413
414 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
415 AC_SUBST(export_ldflags)
416
417 # Test whenever ld supports -version-script
418 AC_PROG_LD
419 AC_PROG_LD_GNU
420 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
421    no_version_script=yes
422 fi
423
424 AM_ICONV()
425
426 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
427
428 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)
429 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)
430 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
431                   [], [], [#include <stddef.h>
432                   #include <sys/socket.h>
433                   #include <linux/socket.h>])
434
435 AC_CHECK_HEADERS(sys/user.h, [], [],
436 [
437 #ifdef HAVE_SYS_PARAM_H
438 # include <sys/param.h>
439 #endif
440 ])
441
442 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
443 if test x$have_zlib = xyes; then
444    AC_TRY_COMPILE([#include <zlib.h>], [
445    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
446    return 0;
447    #else
448    #error No good zlib found
449    #endif
450    ],[
451         AC_MSG_RESULT(Using system zlib)
452         zlib_msg="system zlib"
453         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
454    ],[
455         AC_MSG_RESULT(Using embedded zlib)
456         have_zlib=no
457         zlib_msg="bundled zlib"
458    ])
459 fi
460
461 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
462 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
463
464 # for mono/metadata/debug-symfile.c
465 AC_CHECK_HEADERS(elf.h)
466
467 # for support
468 AC_CHECK_HEADERS(poll.h)
469 AC_CHECK_HEADERS(sys/poll.h)
470 AC_CHECK_HEADERS(sys/wait.h)
471 AC_CHECK_HEADERS(grp.h)
472 AC_CHECK_HEADERS(syslog.h)
473
474 # for mono/dis
475 AC_CHECK_HEADERS(wchar.h)
476 AC_CHECK_HEADERS(ieeefp.h)
477 AC_MSG_CHECKING(for isinf)
478 AC_TRY_LINK([#include <math.h>], [
479         int f = isinf (1);
480 ], [
481         AC_MSG_RESULT(yes)
482         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
483 ], [
484         # We'll have to use signals
485         AC_MSG_RESULT(no)
486 ])
487
488 # for Linux statfs support
489 AC_CHECK_HEADERS(linux/magic.h)
490
491 # not 64 bit clean in cross-compile
492 AC_CHECK_SIZEOF(void *, 4)
493
494 WARN=''
495 if test x"$GCC" = xyes; then
496         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
497                 # The runtime code does not respect ANSI C strict aliasing rules
498                 CFLAGS="$CFLAGS -fno-strict-aliasing"
499
500                 ORIG_CFLAGS=$CFLAGS
501                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
502                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
503                 AC_TRY_COMPILE([],[
504                                 return 0;
505                 ], [
506                    AC_MSG_RESULT(yes)
507                 ], [
508                    AC_MSG_RESULT(no)
509                    CFLAGS=$ORIG_CFLAGS
510                 ])
511
512                 ORIG_CFLAGS=$CFLAGS
513                 # Check for the normal version, since gcc ignores unknown -Wno options
514                 CFLAGS="$CFLAGS -Wunused-but-set-variable"
515                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
516                 AC_TRY_COMPILE([],[
517                                 return 0;
518                 ], [
519                    AC_MSG_RESULT(yes)
520                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
521                 ], [
522                    AC_MSG_RESULT(no)
523                    CFLAGS=$ORIG_CFLAGS
524                 ])
525 else
526         # The Sun Forte compiler complains about inline functions that access static variables
527         # so disable all inlining.
528         case "$host" in
529         *-*-solaris*)
530                 CFLAGS="$CFLAGS -Dinline="
531                 ;;
532         esac
533 fi
534 CFLAGS="$CFLAGS -g $WARN"
535 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
536
537 AC_CACHE_CHECK([for clang],
538         mono_cv_clang,[
539         AC_TRY_COMPILE([], [
540                 #ifdef __clang__
541                 #else
542                 #error "FAILED"
543                 #endif
544                 return 0;
545         ],
546         [mono_cv_clang=yes],
547         [mono_cv_clang=no],
548         [])
549 ])
550
551 # Where's the 'mcs' source tree?
552 if test -d $srcdir/mcs; then
553   mcsdir=mcs
554 else
555   mcsdir=../mcs
556 fi
557
558 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
559         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
560                 mcsdir=$with_mcs_path
561         fi
562 )
563
564 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
565
566 #
567 # A sanity check to catch cases where the package was unpacked
568 # with an ancient tar program (Solaris)
569 #
570 AC_ARG_ENABLE(solaris-tar-check,
571 [  --disable-solaris-tar-check    disable solaris tar check],
572    do_solaris_tar_check=no, do_solaris_tar_check=yes)
573
574 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
575         AC_MSG_CHECKING(integrity of package)
576         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
577         then
578                 AC_MSG_RESULT(ok)
579         else
580                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
581                 AC_MSG_ERROR([$errorm])
582         fi
583 fi
584
585 if test "x$with_mcs_path" != "x"; then
586 mcs_topdir=$(cd "$mcsdir" && pwd)
587 mcs_topdir_from_srcdir=$mcs_topdir
588 else
589 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
590 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
591 fi
592
593 # Convert mcs_topdir* paths to Windows syntax.
594 if test x$cross_compiling$host_win32 = xnoyes; then
595   mcs_topdir=$(cygpath -m $mcs_topdir)
596   case $mcs_topdir_from_srcdir in
597     /cygdrive/*)
598         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
599         ;;
600   esac
601 fi
602
603 AC_SUBST([mcs_topdir])
604 AC_SUBST([mcs_topdir_from_srcdir])
605
606 # Where's the 'olive' source tree?
607 if test -d $srcdir/olive; then
608   olivedir=olive
609 else
610   olivedir=../olive
611 fi
612
613 if test -d $srcdir/$olivedir; then
614 olive_topdir='$(top_srcdir)/'$olivedir
615 fi
616
617 # gettext: prepare the translation directories. 
618 # we do not configure the full gettext, as we consume it dynamically from C#
619 AM_PO_SUBDIRS
620
621 if test "x$USE_NLS" = "xyes"; then
622    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
623
624    if test "x$HAVE_MSGFMT" = "xno"; then
625           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
626    fi
627 fi
628
629 AC_ARG_WITH([libgdiplus], 
630         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)], 
631         [], [with_libgdiplus=installed])
632
633 case $with_libgdiplus in
634 no|installed) libgdiplus_loc= ;;
635 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
636 /*) libgdiplus_loc=$with_libgdiplus ;;
637 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
638 esac
639 AC_SUBST([libgdiplus_loc])
640
641 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
642
643 pkg_config_path=
644 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
645         if test x$with_crosspkgdir = "x"; then
646                 if test -s $PKG_CONFIG_PATH; then
647                         pkg_config_path=$PKG_CONFIG_PATH
648                 fi
649         else
650                 pkg_config_path=$with_crosspkgdir
651                 PKG_CONFIG_PATH=$pkg_config_path
652                 export PKG_CONFIG_PATH
653         fi
654 )
655
656 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
657 AC_CONFIG_SUBDIRS(eglib)
658
659 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
660 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
661 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
662 BUILD_GLIB_LIBS="$GLIB_LIBS"
663 GMODULE_CFLAGS="$GLIB_CFLAGS"
664 GMODULE_LIBS="$GLIB_LIBS"
665   
666 AC_SUBST(GLIB_CFLAGS)
667 AC_SUBST(GLIB_LIBS)
668 AC_SUBST(GMODULE_CFLAGS)
669 AC_SUBST(GMODULE_LIBS)
670 AC_SUBST(BUILD_GLIB_CFLAGS)
671 AC_SUBST(BUILD_GLIB_LIBS)
672
673 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
674
675 # Enable support for fast thread-local storage
676 # Some systems have broken support, so we allow to disable it.
677 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
678
679 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
680 # This does not work on some platforms (bug #55253)
681 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
682
683 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
684 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
685 # Same as --with-shared_mono=no
686 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
687
688 if test "x$enable_static" = "xno"; then
689    with_static_mono=no
690 fi
691
692 if test "x$enable_shared" = "xno"; then
693    with_shared_mono=no
694 fi
695
696 if test "x$enable_libraries" = "xno"; then
697    with_shared_mono=no
698 fi
699
700 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
701
702 case $host in
703 *nacl* ) with_shared_mono=yes;;
704 esac
705
706 if test "x$host_win32" = "xyes"; then
707    # Boehm GC requires the runtime to be in its own dll
708    with_static_mono=no
709 fi
710
711 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
712 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
713 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
714
715 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
716 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
717         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
718         ORIG_CFLAGS=$CFLAGS
719         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
720         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
721         AC_TRY_COMPILE([], [
722                 return 0;
723         ], [
724            AC_MSG_RESULT(yes)
725            # Pass it to libgc as well
726            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
727         ], [
728            AC_MSG_RESULT(no)
729            CFLAGS=$ORIG_CFLAGS
730         ])
731 fi
732
733 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
734
735 if test x$enable_small_config = xyes; then
736         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
737         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
738 fi
739
740 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=$enableval, enable_system_aot=default)
741
742 DISABLED_FEATURES=none
743
744 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
745      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
746      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
747          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
748 [
749         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
750                 eval "mono_feature_disable_$feature='yes'"
751         done
752         DISABLED_FEATURES=$enable_minimal
753         disabled="Disabled:      $enable_minimal"
754 ],[])
755
756 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
757
758 if test "x$mono_feature_disable_aot" = "xyes"; then
759         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
760         AC_MSG_NOTICE([Disabled AOT compiler])
761 fi
762
763 if test "x$mono_feature_disable_profiler" = "xyes"; then
764         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
765         AC_MSG_NOTICE([Disabled support for the profiler])
766 fi
767 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
768
769 if test "x$mono_feature_disable_decimal" = "xyes"; then
770         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
771         AC_MSG_NOTICE([Disabled support for decimal])
772 fi
773
774 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
775         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
776         AC_MSG_NOTICE([Disabled support for P/Invoke])
777 fi
778
779 if test "x$mono_feature_disable_debug" = "xyes"; then
780         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
781         AC_MSG_NOTICE([Disabled support for runtime debugging])
782 fi
783
784 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
785         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
786         mono_feature_disable_reflection_emit_save=yes
787         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
788 fi
789
790 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
791         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
792         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
793 fi
794
795 if test "x$mono_feature_disable_large_code" = "xyes"; then
796         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
797         AC_MSG_NOTICE([Disabled support for large assemblies])
798 fi
799
800 if test "x$mono_feature_disable_logging" = "xyes"; then
801         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
802         AC_MSG_NOTICE([Disabled support for logging])
803 fi
804
805 if test "x$mono_feature_disable_com" = "xyes"; then
806         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
807         AC_MSG_NOTICE([Disabled COM support])
808 fi
809
810 if test "x$mono_feature_disable_ssa" = "xyes"; then
811         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
812         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
813 fi
814
815 if test "x$mono_feature_disable_generics" = "xyes"; then
816         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
817         AC_MSG_NOTICE([Disabled Generics Support])
818 fi
819
820 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
821         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
822         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
823 fi
824
825 if test "x$mono_feature_disable_portability" = "xyes"; then
826         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
827         AC_MSG_NOTICE([Disabled IO Portability layer])
828 fi
829
830 if test "x$mono_feature_disable_attach" = "xyes"; then
831         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
832         AC_MSG_NOTICE([Disabled agent attach])
833 fi
834
835 if test "x$mono_feature_disable_full_messages" = "xyes"; then
836         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
837         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
838 fi
839
840 if test "x$mono_feature_disable_verifier" = "xyes"; then
841         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
842         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
843 fi
844
845 if test "x$mono_feature_disable_jit" = "xyes"; then
846         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
847         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
848 fi
849
850 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
851
852 if test "x$mono_feature_disable_simd" = "xyes"; then
853         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
854         AC_MSG_NOTICE([Disabled SIMD support])
855 fi
856
857 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
858         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
859         AC_MSG_NOTICE([Disabled Soft Debugger.])
860 fi
861
862 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
863         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
864         AC_MSG_NOTICE([Disabled Performance Counters.])
865 fi
866 if test "x$mono_feature_disable_normalization" = "xyes"; then
867         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
868         AC_MSG_NOTICE([Disabled String normalization support.])
869 fi
870
871 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
872         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
873         AC_MSG_NOTICE([Disabled Assembly remapping.])
874 fi
875
876 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
877         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
878         AC_MSG_NOTICE([Disabled Shared perfcounters.])
879 fi
880
881 if test "x$mono_feature_disable_appdomains" = "xyes"; then
882         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
883         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
884 fi
885
886 if test "x$mono_feature_disable_remoting" = "xyes"; then
887         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
888         AC_MSG_NOTICE([Disabled remoting])
889 fi
890
891 if test "x$mono_feature_disable_security" = "xyes"; then
892         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
893         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
894 fi
895
896 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
897         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
898         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
899 fi
900
901 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
902         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
903         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
904 fi
905
906 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
907         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
908         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
909 fi
910
911 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
912         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
913         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
914 fi
915
916 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
917         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
918         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
919 fi
920
921 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
922 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
923
924 AC_ARG_ENABLE(extension-module, [  --enable-extension-module enables usage of the extension module], has_extension_module=$enableval, has_extension_module=no)
925 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
926
927 if test x$has_extension_module != xno ; then
928         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
929         AC_MSG_NOTICE([Enabling mono extension module.])
930 fi
931
932
933 AC_MSG_CHECKING(for visibility __attribute__)
934 AC_COMPILE_IFELSE([
935         AC_LANG_SOURCE([[
936                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
937                 int main () { doit (); return 0; }
938         ]])
939 ], [
940    have_visibility_hidden=yes
941    AC_MSG_RESULT(yes)
942 ], [
943    have_visibility_hidden=no
944    AC_MSG_RESULT(no)
945 ])
946
947 AC_MSG_CHECKING(for deprecated __attribute__)
948 AC_TRY_COMPILE([
949      int doit (void) __attribute__ ((deprecated));
950      int doit (void) { return 0; }
951 ], [
952         return 0;
953 ], [
954    have_deprecated=yes
955    AC_MSG_RESULT(yes)
956 ], [
957    have_deprecated=no
958    AC_MSG_RESULT(no)
959 ])
960
961 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
962 if test x$enable_parallel_mark = xyes; then
963         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
964 fi
965
966 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
967 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
968
969 dnl
970 dnl Boehm GC configuration
971 dnl
972 LIBGC_CPPFLAGS=
973 LIBGC_LIBS=
974 LIBGC_STATIC_LIBS=
975 libgc_dir=
976 case "x$gc" in
977         xboehm|xbohem|xyes)
978                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
979                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
980
981                 if test "x$found_boehm" != "xyes"; then
982                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
983                 fi
984                 if test "x$gc_headers" != "xyes"; then
985                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
986                 fi
987
988                 LIBGC_LIBS="-lgc $libdl"
989                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
990                 libmono_ldflags="$libmono_ldflags -lgc"
991                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
992
993                 # AC_CHECK_FUNCS does not work for some reason...
994                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
995                 if test "x$found_gcj_malloc" = "xyes"; then
996                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
997                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
998                         gc_msg="System Boehm with typed GC"
999                 else
1000                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1001                         gc_msg="System Boehm (without typed GC)"
1002                 fi
1003                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1004                 if test "x$found_gc_enable" = "xyes"; then
1005                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1006                 fi
1007
1008                 # check whether we need to explicitly allow
1009                 # thread registering
1010                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1011                 if test "x$found_allow_register_threads" = "xyes"; then
1012                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1013                 fi
1014
1015                 ;;
1016
1017         xincluded)
1018                 use_included_gc=yes
1019                 libgc_dir=libgc
1020
1021                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1022                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1023                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1024
1025                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1026
1027                 gc_msg="bundled Boehm GC with typed GC"
1028                 if test x$enable_parallel_mark = xyes; then
1029                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1030                         gc_msg="$gc_msg and parallel mark"
1031                 else
1032                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1033                 fi
1034                 ;;
1035
1036         xsgen)
1037                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1038                 ;;
1039
1040         xnone)
1041                 AC_MSG_WARN("Compiling mono without GC.")
1042                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1043                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1044                 ;;
1045         *)
1046                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1047                 ;;
1048 esac
1049
1050 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1051 if test "x$large_heap" = "xyes"; then
1052    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1053 fi
1054
1055 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1056 AC_SUBST(LIBGC_CPPFLAGS)
1057 AC_SUBST(LIBGC_LIBS)
1058 AC_SUBST(LIBGC_STATIC_LIBS)
1059 AC_SUBST(libgc_dir)
1060 AC_SUBST(BOEHM_DEFINES)
1061
1062 dnl
1063 dnl End of libgc checks
1064 dnl
1065
1066 dnl *************************************
1067 dnl *** Checks for zero length arrays ***
1068 dnl *************************************
1069 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1070 AC_TRY_COMPILE([
1071         struct s {
1072                 int  length;
1073                 char data [0];
1074         };
1075 ], [], [
1076         AC_MSG_RESULT(yes)
1077         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1078 ], [
1079         AC_MSG_RESULT(no)
1080         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1081 ])
1082
1083 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1084
1085 if test x$target_win32 = xno; then
1086
1087         dnl hires monotonic clock support
1088         AC_SEARCH_LIBS(clock_gettime, rt)
1089
1090         dnl dynamic loader support
1091         AC_CHECK_FUNC(dlopen, DL_LIB="",
1092                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1093         )
1094         if test x$dl_support = xno; then
1095                 AC_MSG_WARN([No dynamic loading support available])
1096         else
1097                 LIBS="$LIBS $DL_LIB"
1098                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1099                 dnl from glib's configure.in
1100                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1101                         mono_cv_uscore,[
1102                         AC_TRY_RUN([#include <dlfcn.h>
1103                         int mono_underscore_test (void) { return 42; }
1104                         int main() {
1105                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1106                           handle = dlopen ((void*)0, 0);
1107                           if (handle) {
1108                             f1 = dlsym (handle, "mono_underscore_test");
1109                             f2 = dlsym (handle, "_mono_underscore_test");
1110                           } return (!f2 || f1);
1111                         }],
1112                                 [mono_cv_uscore=yes],
1113                                 [mono_cv_uscore=no],
1114                         [])
1115                 ])
1116                 if test "x$mono_cv_uscore" = "xyes"; then
1117                         MONO_DL_NEED_USCORE=1
1118                 else
1119                         MONO_DL_NEED_USCORE=0
1120                 fi
1121                 AC_SUBST(MONO_DL_NEED_USCORE)
1122                 AC_CHECK_FUNC(dlerror)
1123         fi
1124
1125         dnl ******************************************************************
1126         dnl *** Checks for the IKVM JNI interface library                  ***
1127         dnl ******************************************************************
1128         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])
1129
1130         ikvm_native_dir=
1131         if test x$with_ikvm_native = xyes; then
1132                 ikvm_native_dir=ikvm-native
1133                 jdk_headers_found="IKVM Native"
1134         fi
1135
1136         AC_SUBST(ikvm_native_dir)
1137
1138         AC_CHECK_HEADERS(execinfo.h)
1139
1140         AC_CHECK_FUNCS(getgrgid_r)
1141         AC_CHECK_FUNCS(getgrnam_r)
1142         AC_CHECK_FUNCS(getpwnam_r)
1143         AC_CHECK_FUNCS(getpwuid_r)
1144         AC_CHECK_FUNCS(getresuid)
1145         AC_CHECK_FUNCS(setresuid)
1146         AC_CHECK_FUNCS(kqueue)
1147         AC_CHECK_FUNCS(backtrace_symbols)
1148         AC_CHECK_FUNCS(mkstemp)
1149         AC_CHECK_FUNCS(mmap)
1150         AC_CHECK_FUNCS(madvise)
1151         AC_CHECK_FUNCS(getrusage)
1152         AC_CHECK_FUNCS(getpriority)
1153         AC_CHECK_FUNCS(setpriority)
1154         AC_CHECK_FUNCS(dl_iterate_phdr)
1155         AC_CHECK_FUNCS(dladdr)
1156         AC_CHECK_FUNCS(sysconf)
1157
1158         AC_CHECK_FUNCS(sched_setaffinity)
1159         AC_CHECK_FUNCS(sched_getcpu)
1160
1161         dnl ****************************************************************
1162         dnl *** Check for sched_setaffinity from glibc versions before   ***
1163         dnl *** 2.3.4. The older versions of the function only take 2    ***
1164         dnl *** parameters, not 3.                                       ***
1165         dnl ***                                                          ***
1166         dnl *** Because the interface change was not made in a minor     ***
1167         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1168         dnl *** won't always indicate the interface sched_affinity has.  ***
1169         dnl ****************************************************************
1170         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1171         AC_TRY_COMPILE([#include <sched.h>], [
1172             int mask = 1; 
1173             sched_setaffinity(0, &mask);
1174                         return 0;
1175         ], [
1176                 # Yes, we have it...
1177                 AC_MSG_RESULT(yes)
1178                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1179         ], [
1180                 # We have the new, three-parameter version
1181                 AC_MSG_RESULT(no)
1182         ])
1183
1184
1185         dnl ******************************************************************
1186         dnl *** Check for large file support                               ***
1187         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1188         dnl ******************************************************************
1189         
1190         # Check that off_t can represent 2**63 - 1 correctly, working around
1191         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1192         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1193         large_offt=no
1194         AC_DEFUN([LARGE_FILES], [
1195                 large_CPPFLAGS=$CPPFLAGS
1196                 CPPFLAGS="$CPPFLAGS $1"
1197                 AC_TRY_COMPILE([
1198                         #include <sys/types.h>
1199                         #include <limits.h>
1200                 ], [
1201                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1202                         #define COMPILE_TIME_ASSERT(pred) \
1203                                 switch(0){case 0:case pred:;}
1204                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1205                 ], [
1206                         AC_MSG_RESULT(ok)
1207                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1208                         large_CPPFLAGS="$large_CPPFLAGS $1"
1209                         large_offt=yes
1210                 ], [
1211                         AC_MSG_RESULT(no)
1212                 ])
1213                 CPPFLAGS=$large_CPPFLAGS
1214         ])
1215
1216         AC_MSG_CHECKING(if off_t is 64 bits wide)
1217         LARGE_FILES("")
1218         if test $large_offt = no; then
1219                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1220                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1221         fi
1222         if test $large_offt = no; then
1223                 AC_MSG_WARN([No 64 bit file size support available])
1224         fi
1225         
1226         dnl *****************************
1227         dnl *** Checks for libsocket  ***
1228         dnl *****************************
1229         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1230
1231         case "$host" in
1232                 *-*-*freebsd*)
1233                         dnl *****************************
1234                         dnl *** Checks for libinotify ***
1235                         dnl *****************************
1236                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1237         esac
1238
1239         dnl *******************************
1240         dnl *** Checks for MSG_NOSIGNAL ***
1241         dnl *******************************
1242         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1243         AC_TRY_COMPILE([#include <sys/socket.h>], [
1244                 int f = MSG_NOSIGNAL;
1245         ], [
1246                 # Yes, we have it...
1247                 AC_MSG_RESULT(yes)
1248                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1249         ], [
1250                 # We'll have to use signals
1251                 AC_MSG_RESULT(no)
1252         ])
1253
1254         dnl *****************************
1255         dnl *** Checks for IPPROTO_IP ***
1256         dnl *****************************
1257         AC_MSG_CHECKING(for IPPROTO_IP)
1258         AC_TRY_COMPILE([#include <netinet/in.h>], [
1259                 int level = IPPROTO_IP;
1260         ], [
1261                 # Yes, we have it...
1262                 AC_MSG_RESULT(yes)
1263                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1264         ], [
1265                 # We'll have to use getprotobyname
1266                 AC_MSG_RESULT(no)
1267         ])
1268
1269         dnl *******************************
1270         dnl *** Checks for IPPROTO_IPV6 ***
1271         dnl *******************************
1272         AC_MSG_CHECKING(for IPPROTO_IPV6)
1273         AC_TRY_COMPILE([#include <netinet/in.h>], [
1274                 int level = IPPROTO_IPV6;
1275         ], [
1276                 # Yes, we have it...
1277                 AC_MSG_RESULT(yes)
1278                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1279         ], [
1280                 # We'll have to use getprotobyname
1281                 AC_MSG_RESULT(no)
1282         ])
1283
1284         dnl ******************************
1285         dnl *** Checks for IPPROTO_TCP ***
1286         dnl ******************************
1287         AC_MSG_CHECKING(for IPPROTO_TCP)
1288         AC_TRY_COMPILE([#include <netinet/in.h>], [
1289                 int level = IPPROTO_TCP;
1290         ], [
1291                 # Yes, we have it...
1292                 AC_MSG_RESULT(yes)
1293                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1294         ], [
1295                 # We'll have to use getprotobyname
1296                 AC_MSG_RESULT(no)
1297         ])
1298
1299         dnl *****************************
1300         dnl *** Checks for SOL_IP     ***
1301         dnl *****************************
1302         AC_MSG_CHECKING(for SOL_IP)
1303         AC_TRY_COMPILE([#include <netdb.h>], [
1304                 int level = SOL_IP;
1305         ], [
1306                 # Yes, we have it...
1307                 AC_MSG_RESULT(yes)
1308                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1309         ], [
1310                 # We'll have to use getprotobyname
1311                 AC_MSG_RESULT(no)
1312         ])
1313
1314         dnl *****************************
1315         dnl *** Checks for SOL_IPV6     ***
1316         dnl *****************************
1317         AC_MSG_CHECKING(for SOL_IPV6)
1318         AC_TRY_COMPILE([#include <netdb.h>], [
1319                 int level = SOL_IPV6;
1320         ], [
1321                 # Yes, we have it...
1322                 AC_MSG_RESULT(yes)
1323                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1324         ], [
1325                 # We'll have to use getprotobyname
1326                 AC_MSG_RESULT(no)
1327         ])
1328
1329         dnl *****************************
1330         dnl *** Checks for SOL_TCP    ***
1331         dnl *****************************
1332         AC_MSG_CHECKING(for SOL_TCP)
1333         AC_TRY_COMPILE([#include <netdb.h>], [
1334                 int level = SOL_TCP;
1335         ], [
1336                 # Yes, we have it...
1337                 AC_MSG_RESULT(yes)
1338                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1339         ], [
1340                 # We'll have to use getprotobyname
1341                 AC_MSG_RESULT(no)
1342         ])
1343
1344         dnl *****************************
1345         dnl *** Checks for IP_PKTINFO ***
1346         dnl *****************************
1347         AC_MSG_CHECKING(for IP_PKTINFO)
1348         AC_TRY_COMPILE([#include <linux/in.h>], [
1349                 int level = IP_PKTINFO;
1350         ], [
1351                 # Yes, we have it...
1352                 AC_MSG_RESULT(yes)
1353                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1354         ], [
1355                 AC_MSG_RESULT(no)
1356         ])
1357
1358         dnl *****************************
1359         dnl *** Checks for IPV6_PKTINFO ***
1360         dnl *****************************
1361         AC_MSG_CHECKING(for IPV6_PKTINFO)
1362         AC_TRY_COMPILE([#include <netdb.h>], [
1363                 int level = IPV6_PKTINFO;
1364         ], [
1365                 # Yes, we have it...
1366                 AC_MSG_RESULT(yes)
1367                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1368         ], [
1369                 AC_MSG_RESULT(no)
1370         ])
1371
1372         dnl **********************************
1373         dnl *** Checks for IP_DONTFRAG     ***
1374         dnl **********************************
1375         AC_MSG_CHECKING(for IP_DONTFRAG)
1376         AC_TRY_COMPILE([#include <netinet/in.h>], [
1377                 int level = IP_DONTFRAG;
1378         ], [
1379                 # Yes, we have it...
1380                 AC_MSG_RESULT(yes)
1381                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1382         ], [
1383                 AC_MSG_RESULT(no)
1384         ])
1385
1386         dnl **********************************
1387         dnl *** Checks for IP_DONTFRAGMENT ***
1388         dnl **********************************
1389         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1390         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1391                 int level = IP_DONTFRAGMENT;
1392         ], [
1393                 # Yes, we have it...
1394                 AC_MSG_RESULT(yes)
1395                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1396         ], [
1397                 AC_MSG_RESULT(no)
1398         ])
1399
1400         dnl **********************************
1401         dnl *** Checks for IP_MTU_DISCOVER ***
1402         dnl **********************************
1403         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1404         AC_TRY_COMPILE([#include <linux/in.h>], [
1405                 int level = IP_MTU_DISCOVER;
1406         ], [
1407                 # Yes, we have it...
1408                 AC_MSG_RESULT(yes)
1409                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1410         ], [
1411                 AC_MSG_RESULT(no)
1412         ])
1413
1414         dnl **********************************
1415         dnl *** Checks for  IP_PMTUDISC_DO ***
1416         dnl **********************************
1417         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1418         AC_TRY_COMPILE([#include <linux/in.h>], [
1419                 int level = IP_PMTUDISC_DO;
1420         ], [
1421                 # Yes, we have it...
1422                 AC_MSG_RESULT(yes)
1423                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1424         ], [
1425                 AC_MSG_RESULT(no)
1426         ])
1427
1428         dnl *********************************
1429         dnl *** Check for struct ip_mreqn ***
1430         dnl *********************************
1431         AC_MSG_CHECKING(for struct ip_mreqn)
1432         AC_TRY_COMPILE([#include <netinet/in.h>], [
1433                 struct ip_mreqn mreq;
1434                 mreq.imr_address.s_addr = 0;
1435         ], [
1436                 # Yes, we have it...
1437                 AC_MSG_RESULT(yes)
1438                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1439         ], [
1440                 # We'll just have to try and use struct ip_mreq
1441                 AC_MSG_RESULT(no)
1442                 AC_MSG_CHECKING(for struct ip_mreq)
1443                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1444                         struct ip_mreq mreq;
1445                         mreq.imr_interface.s_addr = 0;
1446                 ], [
1447                         # Yes, we have it...
1448                         AC_MSG_RESULT(yes)
1449                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1450                 ], [
1451                         # No multicast support
1452                         AC_MSG_RESULT(no)
1453                 ])
1454         ])
1455         
1456         dnl **********************************
1457         dnl *** Check for gethostbyname2_r ***
1458         dnl **********************************
1459         AC_MSG_CHECKING(for gethostbyname2_r)
1460                 AC_TRY_LINK([#include <netdb.h>], [
1461                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1462         ], [
1463                 # Yes, we have it...
1464                 AC_MSG_RESULT(yes)
1465                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1466         ], [
1467                 AC_MSG_RESULT(no)
1468         ])
1469
1470         dnl *****************************
1471         dnl *** Checks for libnsl     ***
1472         dnl *****************************
1473         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1474
1475         AC_CHECK_FUNCS(inet_pton inet_aton)
1476
1477         dnl ***********************************************
1478         dnl *** Checks for size of sockaddr_un.sun_path ***
1479         dnl ***********************************************
1480         # AC_CHECK_SIZEOF can't cope with struct members :-(
1481         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1482         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1483                 [AC_TRY_RUN([
1484                         #include <sys/types.h>
1485                         #include <stdio.h>
1486                         #include <sys/un.h>
1487
1488                         int main(void) {
1489                                 struct sockaddr_un sock_un;
1490                                 FILE *f=fopen("conftestval", "w");
1491                                 if(!f) exit(1);
1492                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1493                                 exit(0);
1494                         }
1495                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1496                    mono_cv_sizeof_sunpath=0,
1497                    mono_cv_sizeof_sunpath=0)])dnl
1498         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1499         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1500
1501         dnl *****************************
1502         dnl *** Checks for libxnet    ***
1503         dnl *****************************
1504         case "${host}" in
1505                 *solaris* )
1506                         AC_MSG_CHECKING(for Solaris XPG4 support)
1507                         if test -f /usr/lib/libxnet.so; then
1508                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1509                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1510                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1511                                 LIBS="$LIBS -lxnet"
1512                                 AC_MSG_RESULT(yes)
1513                         else
1514                                 AC_MSG_RESULT(no)
1515                         fi
1516
1517                         if test "$GCC" = "yes"; then
1518                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1519                         fi
1520                 ;;
1521         esac
1522
1523         dnl *****************************
1524         dnl *** Checks for libpthread ***
1525         dnl *****************************
1526 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1527 # and libpthread does not exist
1528 #
1529         case "${host}" in
1530                 *-*-*freebsd*)
1531                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1532                 ;;
1533                 *-*-*openbsd*)
1534                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1535                 ;;
1536                 *)
1537                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1538                 ;;
1539         esac
1540         AC_CHECK_HEADERS(pthread.h)
1541         AC_CHECK_HEADERS(pthread_np.h)
1542         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1543         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1544         AC_CHECK_FUNCS(pthread_kill)
1545         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1546         AC_TRY_COMPILE([ #include <pthread.h>], [
1547                 pthread_mutexattr_t attr;
1548                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1549         ], [
1550                 AC_MSG_RESULT(ok)
1551         ], [
1552                 AC_MSG_RESULT(no)
1553                 AC_ERROR(Posix system lacks support for recursive mutexes)
1554         ])
1555         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1556         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1557         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1558
1559         dnl ***********************************
1560         dnl *** Checks for signals
1561         dnl ***********************************
1562         AC_CHECK_HEADERS(signal.h)
1563         AC_CHECK_FUNCS(sigaction)
1564
1565         dnl ***********************************
1566         dnl *** Checks for working __thread ***
1567         dnl ***********************************
1568         AC_MSG_CHECKING(for working __thread)
1569         if test "x$with_tls" != "x__thread"; then
1570                 AC_MSG_RESULT(disabled)
1571         else
1572                 AC_TRY_RUN([
1573                         #include <pthread.h>
1574                         __thread int i;
1575                         static int res1, res2;
1576
1577                         void thread_main (void *arg)
1578                         {
1579                                 i = arg;
1580                                 sleep (1);
1581                                 if (arg == 1)
1582                                         res1 = (i == arg);
1583                                 else
1584                                         res2 = (i == arg);
1585                         }
1586
1587                         int main () {
1588                                 pthread_t t1, t2;
1589
1590                                 i = 5;
1591
1592                                 pthread_create (&t1, NULL, thread_main, 1);
1593                                 pthread_create (&t2, NULL, thread_main, 2);
1594
1595                                 pthread_join (t1, NULL);
1596                                 pthread_join (t2, NULL);
1597
1598                                 return !(res1 + res2 == 2);
1599                         }
1600                 ], [
1601                                 AC_MSG_RESULT(yes)
1602                 ], [
1603                                 AC_MSG_RESULT(no)
1604                                 with_tls=pthread
1605                 ])
1606         fi
1607
1608         dnl **************************************
1609         dnl *** Checks for working sigaltstack ***
1610         dnl **************************************
1611         AC_MSG_CHECKING(for working sigaltstack)
1612         if test "x$with_sigaltstack" != "xyes"; then
1613                 AC_MSG_RESULT(disabled)
1614         else
1615                 AC_TRY_RUN([
1616                         #include <stdio.h>
1617                         #include <stdlib.h>
1618                         #include <unistd.h>
1619                         #include <signal.h>
1620                         #include <pthread.h>
1621                         #include <sys/wait.h>
1622                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1623                         #define SA_STACK SA_ONSTACK
1624                         #endif
1625                         static void
1626                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1627                         {
1628                                 exit (0);
1629                         }
1630
1631                         volatile char*__ptr = NULL;
1632                         static void *
1633                         loop (void *ignored)
1634                         {
1635                                 *__ptr = 0;
1636                                 return NULL;
1637                         }
1638
1639                         static void
1640                         child ()
1641                         {
1642                                 struct sigaction sa;
1643                         #ifdef __APPLE__
1644                                 stack_t sas;
1645                         #else
1646                                 struct sigaltstack sas;
1647                         #endif
1648                                 pthread_t id;
1649                                 pthread_attr_t attr;
1650
1651                                 sa.sa_sigaction = sigsegv_signal_handler;
1652                                 sigemptyset (&sa.sa_mask);
1653                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1654                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1655                                         perror ("sigaction");
1656                                         return;
1657                                 }
1658
1659                                 /* x86 darwin deliver segfaults using SIGBUS */
1660                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1661                                         perror ("sigaction");
1662                                         return;
1663                                 }
1664                                 sas.ss_sp = malloc (SIGSTKSZ);
1665                                 sas.ss_size = SIGSTKSZ;
1666                                 sas.ss_flags = 0;
1667                                 if (sigaltstack (&sas, NULL) == -1) {
1668                                         perror ("sigaltstack");
1669                                         return;
1670                                 }
1671
1672                                 pthread_attr_init (&attr);
1673                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1674                                         printf ("pthread_create\n");
1675                                         return;
1676                                 }
1677
1678                                 sleep (100);
1679                         }
1680
1681                         int
1682                         main ()
1683                         {
1684                                 pid_t son;
1685                                 int status;
1686                                 int i;
1687
1688                                 son = fork ();
1689                                 if (son == -1) {
1690                                         return 1;
1691                                 }
1692
1693                                 if (son == 0) {
1694                                         child ();
1695                                         return 0;
1696                                 }
1697
1698                                 for (i = 0; i < 300; ++i) {
1699                                         waitpid (son, &status, WNOHANG);
1700                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1701                                                 return 0;
1702                                         usleep (10000);
1703                                 }
1704
1705                                 kill (son, SIGKILL);
1706                                 return 1;
1707                         }
1708
1709                 ], [
1710                                 AC_MSG_RESULT(yes)
1711                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1712                 ], [
1713                                 with_sigaltstack=no
1714                                 AC_MSG_RESULT(no)
1715                 ])
1716         fi
1717
1718         dnl ********************************
1719         dnl *** Checks for semaphore lib ***
1720         dnl ********************************
1721         # 'Real Time' functions on Solaris
1722         # posix4 on Solaris 2.6
1723         # pthread (first!) on Linux
1724         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1725
1726         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1727         AC_CHECK_FUNCS(shm_open)
1728
1729         dnl ********************************
1730         dnl *** Checks for timezone stuff **
1731         dnl ********************************
1732         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1733                 AC_TRY_COMPILE([
1734                         #include <time.h>
1735                         ], [
1736                         struct tm tm;
1737                         tm.tm_gmtoff = 1;
1738                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1739         if test $ac_cv_struct_tm_gmtoff = yes; then
1740                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1741         else
1742                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1743                         AC_TRY_COMPILE([
1744                                 #include <time.h>
1745                         ], [
1746                                 timezone = 1;
1747                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1748                 if test $ac_cv_var_timezone = yes; then
1749                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1750                 else
1751                         AC_ERROR(unable to find a way to determine timezone)
1752                 fi
1753         fi
1754
1755         dnl *********************************
1756         dnl *** Checks for math functions ***
1757         dnl *********************************
1758         AC_SEARCH_LIBS(sqrtf, m)
1759         if test "x$has_broken_apple_cpp" != "xyes"; then
1760                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1761                         AC_TRY_LINK([#include <math.h>], 
1762                         [ finite(0.0); ], 
1763                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1764                         AC_MSG_RESULT(no)))
1765         fi
1766         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1767                 AC_TRY_LINK([#include <math.h>], 
1768                 [ isfinite(0.0); ], 
1769                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1770                 AC_MSG_RESULT(no)))
1771
1772         dnl ****************************************************************
1773         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1774         dnl *** have it in the library (duh))                            ***
1775         dnl ****************************************************************
1776         AC_CHECK_FUNCS(poll)
1777
1778         dnl *************************
1779         dnl *** Check for signbit ***
1780         dnl *************************
1781         AC_MSG_CHECKING(for signbit)
1782         AC_TRY_LINK([#include <math.h>], [
1783                 int s = signbit(1.0);
1784         ], [
1785                 AC_MSG_RESULT(yes)
1786                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1787         ], [
1788                 AC_MSG_RESULT(no)
1789         ]) 
1790
1791         dnl **********************************
1792         dnl *** epoll                      ***
1793         dnl **********************************
1794         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1795                 AC_CHECK_HEADERS(sys/epoll.h)
1796                 haveepoll=no
1797                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1798                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1799                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1800                 fi
1801         fi
1802
1803         havekqueue=no
1804         AC_CHECK_FUNCS(kqueue, , AC_MSG_CHECKING(for kqueue in sys/event.h)
1805                 AC_TRY_LINK([#include <sys/event.h>], 
1806                 [ kqueue(); ],[havekqueue=yes],[]))
1807
1808         dnl **************************************
1809         dnl * Darwin has a race that prevents us from using reliably:
1810         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1811         dnl * Since kqueue is mostly used for scaling large web servers, 
1812         dnl * and very few folks run Mono on large web servers on OSX, falling
1813         dnl * back 
1814         dnl **************************************
1815         if test x$havekqueue = xyes; then
1816                 if x$platform_darwin = xno; then
1817                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1818                 fi
1819         fi
1820
1821         dnl ******************************
1822         dnl *** Checks for SIOCGIFCONF ***
1823         dnl ******************************
1824         AC_CHECK_HEADERS(sys/ioctl.h)
1825         AC_CHECK_HEADERS(net/if.h, [], [],
1826            [
1827            #ifdef HAVE_SYS_TYPES_H
1828            # include <sys/types.h>
1829            #endif
1830            #ifdef HAVE_SYS_SOCKET_H
1831            # include <sys/socket.h>
1832            #endif
1833            ])
1834         AC_MSG_CHECKING(for ifreq)
1835         AC_TRY_COMPILE([
1836                 #include <stdio.h>
1837                 #include <sys/ioctl.h>
1838                 #include <net/if.h>
1839                 ], [
1840                 struct ifconf ifc;
1841                 struct ifreq *ifr;
1842                 void *x;
1843                 ifc.ifc_len = 0;
1844                 ifc.ifc_buf = NULL;
1845                 x = (void *) &ifr->ifr_addr;
1846                 ],[
1847                         AC_MSG_RESULT(yes)
1848                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1849                 ], [
1850                         AC_MSG_RESULT(no)
1851                 ])
1852         dnl **********************************
1853         dnl ***     Checks for sin_len     ***
1854         dnl **********************************
1855         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1856         AC_TRY_COMPILE([
1857                 #include <netinet/in.h>
1858                 ], [
1859                 struct sockaddr_in saddr;
1860                 saddr.sin_len = sizeof (saddr);
1861                 ],[
1862                         AC_MSG_RESULT(yes)
1863                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1864                 ], [
1865                         AC_MSG_RESULT(no)
1866                 ])      
1867         dnl **********************************
1868         dnl ***    Checks for sin6_len     ***
1869         dnl **********************************
1870         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1871         AC_TRY_COMPILE([
1872                 #include <netinet/in.h>
1873                 ], [
1874                 struct sockaddr_in6 saddr6;
1875                 saddr6.sin6_len = sizeof (saddr6);
1876                 ],[
1877                         AC_MSG_RESULT(yes)
1878                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1879                 ], [
1880                         AC_MSG_RESULT(no)
1881                 ])
1882         dnl **********************************
1883         dnl *** Check for getifaddrs       ***
1884         dnl **********************************
1885         AC_MSG_CHECKING(for getifaddrs)
1886                 AC_TRY_LINK([
1887                 #include <stdio.h>
1888                 #include <sys/types.h>
1889                 #include <sys/socket.h>
1890                 #include <ifaddrs.h>
1891         ], [
1892                 getifaddrs(NULL);
1893         ], [
1894                 # Yes, we have it...
1895                 AC_MSG_RESULT(yes)
1896                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1897         ], [
1898                 AC_MSG_RESULT(no)
1899         ])
1900         dnl **********************************
1901         dnl *** Check for if_nametoindex   ***
1902         dnl **********************************
1903         AC_MSG_CHECKING(for if_nametoindex)
1904                 AC_TRY_LINK([
1905                 #include <stdio.h>
1906                 #include <sys/types.h>
1907                 #include <sys/socket.h>
1908                 #include <net/if.h>
1909         ], [
1910                 if_nametoindex(NULL);
1911         ], [
1912                 # Yes, we have it...
1913                 AC_MSG_RESULT(yes)
1914                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1915         ], [
1916                 AC_MSG_RESULT(no)
1917         ])
1918                         
1919         dnl **********************************
1920         dnl *** Checks for MonoPosixHelper ***
1921         dnl **********************************
1922         AC_CHECK_HEADERS(checklist.h)
1923         AC_CHECK_HEADERS(pathconf.h)
1924         AC_CHECK_HEADERS(fstab.h)
1925         AC_CHECK_HEADERS(attr/xattr.h)
1926         AC_CHECK_HEADERS(sys/extattr.h)
1927         AC_CHECK_HEADERS(sys/sendfile.h)
1928         AC_CHECK_HEADERS(sys/statvfs.h)
1929         AC_CHECK_HEADERS(sys/statfs.h)
1930         AC_CHECK_HEADERS(sys/vfstab.h)
1931         AC_CHECK_HEADERS(sys/xattr.h)
1932         AC_CHECK_HEADERS(sys/mman.h)
1933         AC_CHECK_HEADERS(sys/param.h)
1934         AC_CHECK_HEADERS(sys/mount.h, [], [],
1935                 [
1936                 #ifdef HAVE_SYS_PARAM_H
1937                 # include <sys/param.h>
1938                 #endif
1939                 ])
1940         AC_CHECK_HEADERS(sys/mount.h)
1941         AC_CHECK_FUNCS(confstr)
1942         AC_CHECK_FUNCS(seekdir telldir)
1943         AC_CHECK_FUNCS(getdomainname)
1944         AC_CHECK_FUNCS(setdomainname)
1945         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1946         AC_CHECK_FUNCS(setgroups)
1947         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1948         AC_CHECK_FUNCS(getfsstat)
1949         AC_CHECK_FUNCS(lutimes futimes)
1950         AC_CHECK_FUNCS(mremap)
1951         AC_CHECK_FUNCS(remap_file_pages)
1952         AC_CHECK_FUNCS(posix_fadvise)
1953         AC_CHECK_FUNCS(posix_fallocate)
1954         AC_CHECK_FUNCS(posix_madvise)
1955         AC_CHECK_FUNCS(vsnprintf)
1956         AC_CHECK_FUNCS(sendfile)
1957         AC_CHECK_FUNCS(gethostid sethostid)
1958         AC_CHECK_FUNCS(sethostname)
1959         AC_CHECK_FUNCS(statfs)
1960         AC_CHECK_FUNCS(fstatfs)
1961         AC_CHECK_FUNCS(statvfs)
1962         AC_CHECK_FUNCS(fstatvfs)
1963         AC_CHECK_FUNCS(stime)
1964         AC_CHECK_FUNCS(strerror_r)
1965         AC_CHECK_FUNCS(ttyname_r)
1966         AC_CHECK_FUNCS(psignal)
1967         AC_CHECK_FUNCS(getlogin_r)
1968         AC_CHECK_FUNCS(lockf)
1969         AC_CHECK_FUNCS(swab)
1970         AC_CHECK_FUNCS(setusershell endusershell)
1971         AC_CHECK_FUNCS(futimens utimensat)
1972         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
1973         AC_CHECK_FUNCS(readv writev preadv pwritev)
1974         AC_CHECK_SIZEOF(size_t)
1975         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
1976                 [#include <sys/types.h>
1977                  #include <sys/stat.h>
1978                  #include <unistd.h>])
1979         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1980                 [#include <sys/types.h>
1981                  #include <sys/stat.h>
1982                  #include <unistd.h>])
1983         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1984                 [#include <sys/time.h>])
1985         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
1986                 [#include <unistd.h>
1987                  #include <fcntl.h>])
1988         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
1989                 [#include <sys/uio.h>])
1990         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1991                 [#include <sys/poll.h>])
1992         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1993                 [#include <sys/types.h>
1994                  #include <sys/stat.h>
1995                  #include <unistd.h>])
1996         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
1997                 [#include <time.h>])
1998         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1999                 [#include <sys/time.h>
2000                  #include <sys/types.h>
2001                  #include <utime.h>])
2002         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2003                 [#include <sys/time.h>])
2004         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2005                 [#include <sys/types.h>
2006                  #include <utime.h>])
2007         AC_CHECK_MEMBERS(
2008                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2009                 [#include <sys/types.h>
2010                  #include <dirent.h>])
2011         AC_CHECK_MEMBERS(
2012                 [struct passwd.pw_gecos],,, 
2013                 [#include <sys/types.h>
2014                  #include <pwd.h>])
2015         AC_CHECK_MEMBERS(
2016                 [struct statfs.f_flags],,, 
2017                 [#include <sys/types.h>
2018                  #include <sys/vfs.h>])
2019         AC_CHECK_MEMBERS(
2020                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2021                 [#include <sys/types.h>
2022                  #include <sys/stat.h>
2023                  #include <unistd.h>])
2024
2025         dnl Favour xattr through glibc, but use libattr if we have to
2026         AC_CHECK_FUNC(lsetxattr, ,
2027                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2028         )
2029         AC_SUBST(XATTR_LIB)
2030
2031         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2032         AC_CHECK_MEMBERS(
2033                 [struct kinfo_proc.kp_proc],,, 
2034                 [#include <sys/types.h>
2035                  #include <sys/param.h>
2036                  #include <sys/sysctl.h>
2037                  #include <sys/proc.h>
2038                  ])
2039
2040         dnl *********************************
2041         dnl *** Checks for Windows compilation ***
2042         dnl *********************************
2043         AC_CHECK_HEADERS(sys/time.h)
2044         AC_CHECK_HEADERS(sys/param.h)
2045         AC_CHECK_HEADERS(dirent.h)
2046
2047         dnl ******************************************
2048         dnl *** Checks for OSX and iOS compilation ***
2049         dnl ******************************************
2050         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2051
2052         dnl *********************************
2053         dnl *** Check for Console 2.0 I/O ***
2054         dnl *********************************
2055         AC_CHECK_HEADERS([curses.h])
2056         AC_CHECK_HEADERS([term.h], [], [],
2057         [#if HAVE_CURSES_H
2058          #include <curses.h>
2059          #endif
2060         ])
2061         AC_CHECK_HEADERS([termios.h])
2062
2063         dnl * This is provided in io-layer, but on windows it's only available
2064         dnl * on xp+
2065         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2066 else
2067         dnl *********************************
2068         dnl *** Checks for Windows compilation ***
2069         dnl *********************************
2070         AC_CHECK_HEADERS(winternl.h)
2071
2072         jdk_headers_found=no
2073         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2074         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2075         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2076         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2077         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2078         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2079         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2080
2081         dnl *********************************
2082         dnl *** Check for struct ip_mreqn ***
2083         dnl *********************************
2084         AC_MSG_CHECKING(for struct ip_mreqn)
2085         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2086                 struct ip_mreqn mreq;
2087                 mreq.imr_address.s_addr = 0;
2088         ], [
2089                 # Yes, we have it...
2090                 AC_MSG_RESULT(yes)
2091                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2092         ], [
2093                 # We'll just have to try and use struct ip_mreq
2094                 AC_MSG_RESULT(no)
2095                 AC_MSG_CHECKING(for struct ip_mreq)
2096                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2097                         struct ip_mreq mreq;
2098                         mreq.imr_interface.s_addr = 0;
2099                 ], [
2100                         # Yes, we have it...
2101                         AC_MSG_RESULT(yes)
2102                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2103                 ], [
2104                         # No multicast support
2105                         AC_MSG_RESULT(no)
2106                 ])
2107         ])
2108         AC_CHECK_FUNCS(GetProcessId)
2109 fi
2110
2111 dnl socklen_t check
2112 AC_MSG_CHECKING(for socklen_t)
2113 AC_TRY_COMPILE([
2114 #include <sys/types.h>
2115 #include <sys/socket.h>
2116 ],[
2117   socklen_t foo;
2118 ],[
2119 ac_cv_c_socklen_t=yes
2120         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2121         AC_MSG_RESULT(yes)
2122 ],[
2123         AC_MSG_RESULT(no)
2124 ])
2125
2126 AC_MSG_CHECKING(for array element initializer support)
2127 AC_TRY_COMPILE([#include <sys/socket.h>], [
2128         const int array[] = {[1] = 2,};
2129 ], [
2130         # Yes, we have it...
2131         AC_MSG_RESULT(yes)
2132         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2133 ], [
2134         # We'll have to use signals
2135         AC_MSG_RESULT(no)
2136 ])
2137
2138 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2139         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2140         AC_TRY_LINK([#include <math.h>], 
2141         [ static void *p = &trunc; ],
2142         [
2143                 AC_DEFINE(HAVE_TRUNC) 
2144                 AC_MSG_RESULT(yes)
2145                 ac_cv_trunc=yes
2146         ],
2147         AC_MSG_RESULT(no)))
2148
2149 if test "x$ac_cv_truncl" != "xyes"; then
2150    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2151 fi
2152
2153 AC_CHECK_FUNCS(round)
2154 AC_CHECK_FUNCS(rint)
2155 AC_CHECK_FUNCS(execvp)
2156
2157 dnl ****************************
2158 dnl *** Look for /dev/random ***
2159 dnl ****************************
2160
2161 AC_MSG_CHECKING([if usage of random device is requested])
2162 AC_ARG_ENABLE(dev-random,
2163 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2164 try_dev_random=$enableval, try_dev_random=yes)
2165
2166 AC_MSG_RESULT($try_dev_random)
2167
2168 case "{$build}" in
2169     *-openbsd*)
2170     NAME_DEV_RANDOM="/dev/srandom"
2171     ;;
2172
2173 dnl Win32 does not have /dev/random, they have their own method...
2174
2175     *-mingw*|*-*-cygwin*)
2176     ac_cv_have_dev_random=no
2177     ;;
2178
2179 dnl Everywhere else, it's /dev/random
2180
2181     *)
2182     NAME_DEV_RANDOM="/dev/random"
2183     ;;
2184 esac
2185
2186 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2187
2188 dnl Now check if the device actually exists
2189
2190 if test "x$try_dev_random" = "xyes"; then
2191     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2192     [if test -r "$NAME_DEV_RANDOM" ; then
2193         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2194     if test "x$ac_cv_have_dev_random" = "xyes"; then
2195         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2196     fi
2197 else
2198     AC_MSG_CHECKING(for random device)
2199     ac_cv_have_dev_random=no
2200     AC_MSG_RESULT(has been disabled)
2201 fi
2202
2203 if test "x$host_win32" = "xyes"; then
2204     AC_DEFINE(HAVE_CRYPT_RNG)
2205 fi
2206
2207 if test "x$ac_cv_have_dev_random" = "xno" \
2208     && test "x$host_win32" = "xno"; then
2209     AC_MSG_WARN([[
2210 ***
2211 *** A system-provided entropy source was not found on this system.
2212 *** Because of this, the System.Security.Cryptography random number generator
2213 *** will throw a NotImplemented exception.
2214 ***
2215 *** If you are seeing this message, and you know your system DOES have an
2216 *** entropy collection in place, please contact <crichton@gimp.org> and
2217 *** provide information about the system and how to access the random device.
2218 ***
2219 *** Otherwise you can install either egd or prngd and set the environment
2220 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2221 ***]])
2222 fi
2223  
2224 AC_MSG_CHECKING([if inter-process shared handles are requested])
2225 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2226 AC_MSG_RESULT($try_shared_handles)
2227 if test "x$try_shared_handles" != "xyes"; then
2228         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2229         AC_SUBST(DISABLE_SHARED_HANDLES)
2230 fi
2231
2232 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2233
2234 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2235 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2236
2237 AC_MSG_CHECKING([if big-arrays are to be enabled])
2238 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2239 if test "x$enable_big_arrays" = "xyes" ; then
2240     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2241         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2242     else
2243         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2244     fi
2245 fi
2246 AC_MSG_RESULT($enable_big_arrays)
2247
2248 dnl **************
2249 dnl *** DTRACE ***
2250 dnl **************
2251
2252 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2253
2254 if test "x$enable_dtrace" = "xyes"; then
2255    if test "x$has_dtrace" = "xno"; then
2256           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2257    fi
2258    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2259    if test "x$DTRACE" = "xno"; then
2260           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2261           enable_dtrace=no
2262    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2263           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2264           enable_dtrace=no
2265    fi
2266 fi
2267
2268 dtrace_g=no
2269 if test "x$enable_dtrace" = "xyes"; then
2270         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2271         DTRACEFLAGS=
2272         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2273                 case "$host" in
2274                         powerpc-*-darwin*)
2275                         DTRACEFLAGS="-arch ppc64"
2276                         ;;
2277                         i*86-*-darwin*)
2278                         DTRACEFLAGS="-arch x86_64"
2279                         ;;
2280                         *)
2281                         DTRACEFLAGS=-64
2282                         ;;
2283                 esac
2284         else
2285                 case "$host" in
2286                         powerpc-*-darwin*)
2287                         DTRACEFLAGS="-arch ppc"
2288                         ;;
2289                         i*86-*-darwin*)
2290                         DTRACEFLAGS="-arch i386"
2291                         ;;
2292                         *)
2293                         DTRACEFLAGS=-32
2294                         ;;
2295                 esac
2296         fi
2297         AC_SUBST(DTRACEFLAGS)
2298         case "$host" in
2299                 *-*-solaris*)
2300                 dtrace_g=yes
2301                 ;;
2302         esac
2303         AC_CHECK_HEADERS([sys/sdt.h])
2304 fi
2305 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2306 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2307
2308 dnl **************
2309 dnl ***  NaCl  ***
2310 dnl **************
2311
2312 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2313 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2314
2315 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2316
2317 dnl
2318 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2319 dnl
2320 nacl_self_host=""
2321 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2322    nacl_self_host="nacl_self_host"
2323 fi
2324 AC_SUBST(nacl_self_host)
2325
2326 if test "x$enable_nacl_codegen" = "xyes"; then
2327    MONO_NACL_ALIGN_MASK_OFF=1
2328    AC_DEFINE(TARGET_NACL, 1, [...])
2329    AC_DEFINE(__native_client_codegen__, 1, [...])
2330 else
2331    MONO_NACL_ALIGN_MASK_OFF=0
2332    AC_DEFINE(__default_codegen__, 1, [...])
2333 fi
2334 if test "x$enable_nacl_gc" = "xyes"; then
2335    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2336       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2337    else
2338       # Not yet implemented
2339       INSTRUMENT_CFLAG=""
2340    fi
2341    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2342 fi
2343 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2344
2345 dnl **************
2346 dnl ***  LLVM  ***
2347 dnl **************
2348
2349 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2350 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2351
2352 if test "x$enable_llvm" = "xyes"; then
2353    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2354    if test "x$LLVM_CONFIG" = "xno"; then
2355           AC_MSG_ERROR([llvm-config not found.])
2356    fi
2357
2358    llvm_codegen="x86codegen"
2359    case "$target" in
2360    arm*)
2361                 llvm_codegen="armcodegen"
2362                 ;;
2363    esac
2364
2365
2366    # The output of --cflags seems to include optimizations flags too
2367    LLVM_CFLAGS=`$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'`
2368    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2369    # from LLVM classes.
2370    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2371    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2372    LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2373    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2374
2375    # Should be something like '2.6' or '2.7svn'
2376    llvm_version=`$LLVM_CONFIG --version`
2377    major_version=`echo $llvm_version | cut -c 1`
2378    minor_version=`echo $llvm_version | cut -c 3`
2379    AC_MSG_CHECKING(LLVM version)
2380    AC_MSG_RESULT($llvm_version)
2381    if echo $llvm_version | grep -q 'mono'; then
2382           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2383           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"       
2384    else
2385           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.])
2386    fi
2387
2388    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2389    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2390    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2391
2392    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2393    # llvm's config.h
2394    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2395
2396    AC_SUBST(LLVM_CFLAGS)
2397    AC_SUBST(LLVM_CXXFLAGS)
2398    AC_SUBST(LLVM_LIBS)
2399    AC_SUBST(LLVM_LDFLAGS)
2400    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2401 fi
2402
2403 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2404 if test "x$enable_loadedllvm" = "xyes"; then
2405    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2406 fi
2407 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2408
2409 TARGET="unknown"
2410 ACCESS_UNALIGNED="yes"
2411
2412 JIT_SUPPORTED=no
2413 INTERP_SUPPORTED=no
2414 LIBC="libc.so.6"
2415 INTL="libc.so.6"
2416 SQLITE="libsqlite.so.0"
2417 SQLITE3="libsqlite3.so.0"
2418 X11="libX11.so"
2419
2420 sizeof_register="SIZEOF_VOID_P"
2421
2422 jit_wanted=true
2423 interp_wanted=false
2424 sgen_supported=false
2425 case "$host" in
2426 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
2427 #               TARGET=MIPS;
2428 #               ACCESS_UNALIGNED="no"
2429 #               ;;
2430         mips*)
2431                 TARGET=MIPS;
2432                 arch_target=mips;
2433                 sgen_supported=true
2434                 ACCESS_UNALIGNED="no"
2435                 JIT_SUPPORTED=yes
2436
2437                 AC_MSG_CHECKING(for mips n32)
2438                 AC_TRY_COMPILE([],[
2439                 #if _MIPS_SIM != _ABIN32
2440                 #error Not mips n32
2441                 #endif
2442                 return 0;
2443                 ],[
2444                 AC_MSG_RESULT(yes)
2445                 sizeof_register=8
2446                 ],[
2447                 AC_MSG_RESULT(no)
2448                 ])
2449                 ;;
2450         i*86-*-*)
2451                 TARGET=X86;
2452                 arch_target=x86;
2453                 JIT_SUPPORTED=yes
2454                 case $host_os in
2455                   solaris*)
2456                         LIBC="libc.so"
2457                         INTL="libintl.so"
2458                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2459                                 TARGET=AMD64
2460                                 arch_target=amd64
2461                         fi
2462
2463                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2464                         # int astruct __attribute__ ((visibility ("hidden")));
2465                         # void foo ()
2466                         # {
2467                         #       void *p = &astruct;
2468                         # }
2469                         # gcc -fPIC --shared -o libfoo.so foo.c
2470                         # yields:
2471                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2472                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2473                         have_visibility_hidden=no
2474                         sgen_supported=true
2475                         ;;
2476                   cygwin*)
2477                         sgen_supported=true
2478                         have_visibility_hidden=no                 
2479                         ;;
2480                   haiku*)
2481                         LIBC=libroot.so
2482                         ;;
2483                   linux*)
2484                         sgen_supported=true
2485                         AOT_SUPPORTED="yes"
2486                         ;;
2487                   darwin*)
2488                         sgen_supported=true
2489                         AOT_SUPPORTED="yes"
2490                         ;;
2491                   darwin*|openbsd*|freebsd*)
2492                         sgen_supported=true
2493                         ;;
2494                 esac
2495                 ;;
2496         x86_64-*-* | amd64-*-*)
2497                 TARGET=AMD64;
2498                 arch_target=amd64;
2499                 JIT_SUPPORTED=yes
2500                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2501                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2502                         sizeof_register=8
2503                 fi
2504                 case $host_os in
2505                   linux*)
2506                         sgen_supported=true
2507                         AOT_SUPPORTED="yes"
2508                         ;;
2509                   darwin*|openbsd*|freebsd*)
2510                         sgen_supported=true
2511                         ;;
2512                 esac
2513                 case "$host" in
2514                         x86_64-*-nacl*)
2515                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2516                                 sizeof_register=8
2517                                 ;;
2518                 esac
2519                 ;;
2520         ia64-*-*)
2521                 TARGET=IA64
2522                 arch_target=ia64
2523                 ACCESS_UNALIGNED="no"
2524                 JIT_SUPPORTED=yes
2525                 LIBC="libc.so.6.1"
2526                 INTL="libc.so.6.1"
2527                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2528                 libmono_ldflags="-lunwind"
2529                 ;;
2530         sparc*-*-*)
2531                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2532                    TARGET=SPARC64
2533                 else
2534                         TARGET=SPARC
2535                 fi
2536                 arch_target=sparc;
2537                 JIT_SUPPORTED=yes
2538                 ACCESS_UNALIGNED="no"
2539                 case $host_os in
2540                   linux*) ;;
2541                   *)
2542                         LIBC="libc.so"
2543                         INTL="libintl.so"
2544                 esac
2545                 if test x"$GCC" = xyes; then
2546                         # We don't support v8 cpus
2547                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2548                 fi
2549                 if test x"$AR" = xfalse; then
2550                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2551                 fi
2552                 sgen_supported=true
2553                 ;;
2554         *-mingw*|*-*-cygwin*)
2555                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2556                 have_visibility_hidden=no
2557                 INTL="intl"
2558                 ;;
2559         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2560         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2561                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2562                         TARGET=POWERPC64;
2563                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2564                         CFLAGS="$CFLAGS -mminimal-toc"
2565                 else
2566                         TARGET=POWERPC;
2567                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2568                 fi
2569                 arch_target=ppc;
2570                 JIT_SUPPORTED=yes
2571                 case $host_os in
2572                   linux*|darwin*)
2573                         sgen_supported=true
2574                         ;;
2575                 esac
2576                 ;;
2577         arm*-darwin*)
2578                 TARGET=ARM;
2579                 arch_target=arm;
2580                 ACCESS_UNALIGNED="no"
2581                 JIT_SUPPORTED=yes
2582                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__ -DHAVE_ARMV6=1"
2583                 # libgc's gc_locks.h depends on this
2584             CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6"
2585                 sgen_supported=true
2586                 ;;
2587         arm*-linux*)
2588                 TARGET=ARM;
2589                 arch_target=arm;
2590                 ACCESS_UNALIGNED="no"
2591                 JIT_SUPPORTED=yes
2592                 sgen_supported=true
2593                 AOT_SUPPORTED="yes"
2594                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2595                 ;;
2596 # TODO: make proper support for NaCl host.
2597 #        arm*-*nacl)
2598 #               TARGET=ARM;
2599 #               arch_target=arm;
2600 #               ACCESS_UNALIGNED="no"
2601 #               JIT_SUPPORTED=yes
2602 #               sgen_supported=true
2603 #               AOT_SUPPORTED="no"
2604 #               ;;
2605         s390x-*-linux*)
2606                 TARGET=S390x;
2607                 arch_target=s390x;
2608                 ACCESS_UNALIGNED="yes"
2609                 JIT_SUPPORTED=yes
2610                 sgen_supported=true
2611                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2612                 ;;
2613 esac
2614
2615 HOST=$TARGET
2616
2617 if test "x$host" != "x$target"; then
2618    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2619    enable_mcs_build=no
2620    case "$target" in
2621    arm*-darwin*)
2622                 TARGET=ARM;
2623                 arch_target=arm;
2624                 ACCESS_UNALIGNED="no"
2625                 JIT_SUPPORTED=yes
2626                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__ -DHAVE_ARMV6=1"
2627                 jit_wanted=true
2628                 # Can't use tls, since it depends on the runtime detection of tls offsets
2629                 # in mono-compiler.h
2630                 with_tls=pthread
2631                 ;;
2632    powerpc64-ps3-linux-gnu)
2633                 TARGET=POWERPC64
2634                 arch_target=powerpc64
2635                 AC_DEFINE(TARGET_PS3, 1, [...])
2636                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2637                 # uses this define
2638                 AC_DEFINE(__mono_ppc64__, 1, [...])
2639                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2640                 sizeof_register=8
2641                 target_byte_order=G_BIG_ENDIAN
2642                 ;;
2643
2644    powerpc64-xbox360-linux-gnu)
2645                 TARGET=POWERPC64
2646                 arch_target=powerpc64
2647                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2648                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2649                 # uses this define
2650                 sizeof_register=8
2651                 target_byte_order=G_BIG_ENDIAN
2652                 ;;
2653    x86_64-*-nacl)
2654                 TARGET=AMD64
2655                 arch_target=amd64
2656                 AC_DEFINE(TARGET_AMD64, 1, [...])
2657                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2658                 sizeof_register=8
2659                 ;;
2660 # TODO: make proper support for NaCl target.
2661 #   arm*-*nacl)
2662 #               TARGET=ARM
2663 #               arch_target=arm
2664 #               AC_DEFINE(TARGET_ARM, 1, [...])
2665 #               ACCESS_UNALIGNED="no"
2666 #               JIT_SUPPORTED=yes
2667 #               sizeof_register=4
2668 #               CPPFLAGS="$CPPFLAGS \
2669 #                    -D__ARM_EABI__ \
2670 #                    -D__arm__ \
2671 #                    -D__portable_native_client__ \
2672 #                    -Dtimezone=_timezone \
2673 #                    -DDISABLE_SOCKETS \
2674 #                    -DDISABLE_ATTACH \
2675 #                    -DUSE_NEWLIB"
2676 #               jit_wanted=true
2677                 # Can't use tls, since it depends on the runtime detection of tls offsets
2678                 # in mono-compiler.h
2679 #               with_tls=pthread
2680 #               ;;
2681    i686-*-nacl)
2682                 TARGET=X86
2683                 arch_target=x86
2684                 AC_DEFINE(TARGET_X86, 1, [...])
2685                 sizeof_register=4
2686                 ;;
2687    arm*-linux-*)
2688                 TARGET=ARM;
2689                 arch_target=arm;
2690                 AC_DEFINE(TARGET_ARM, 1, [...])
2691                 ACCESS_UNALIGNED="no"
2692                 JIT_SUPPORTED=yes
2693                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2694                 jit_wanted=true
2695                 # Can't use tls, since it depends on the runtime detection of tls offsets
2696                 # in mono-compiler.h
2697                 with_tls=pthread
2698                 target_mach=no
2699                 case "$target" in
2700                 armv7l-unknown-linux-gnueabi*)
2701                         # TEGRA
2702                         CPPFLAGS="$CPPFLAGS"
2703                         ;;
2704                 armv5-*-linux-androideabi*)
2705                         AC_DEFINE(TARGET_ANDROID, 1, [...])
2706                         CPPFLAGS="$CPPFLAGS"
2707                         ;;
2708                 esac
2709                 ;;
2710         *)
2711                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2712         esac
2713 fi
2714
2715 # FIXME: Define the others as well
2716 case "$TARGET" in
2717 X86)
2718         AC_DEFINE(TARGET_X86, 1, [...])
2719         ;;
2720 AMD64)
2721         AC_DEFINE(TARGET_AMD64, 1, [...])
2722         ;;
2723 ARM)
2724         AC_DEFINE(TARGET_ARM, 1, [...])
2725         ;;
2726 POWERPC)
2727         AC_DEFINE(TARGET_POWERPC, 1, [...])
2728         ;;
2729 POWERPC64)
2730         AC_DEFINE(TARGET_POWERPC, 1, [...])
2731         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2732         ;;
2733 S390x)
2734         AC_DEFINE(TARGET_S390X, 1, [...])
2735         ;;
2736 MIPS)
2737         AC_DEFINE(TARGET_MIPS, 1, [...])
2738         ;;
2739 esac
2740
2741 if test "x$target_mach" = "xyes"; then
2742    if test "x$TARGET" = "xARM"; then
2743           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2744           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2745           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2746    else
2747        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2748        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2749        #error fail this for ios
2750        #endif
2751        return 0;
2752        ], [
2753                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2754           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2755           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2756        ], [
2757           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2758           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2759           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2760        ])
2761         fi
2762    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2763 fi
2764
2765 if test "x$sizeof_register" = "x4"; then
2766    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2767 elif test "x$sizeof_register" = "x8"; then
2768    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2769 else
2770    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2771 fi
2772
2773 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2774    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2775 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2776    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2777 else
2778    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2779 fi
2780
2781 if test "x$have_visibility_hidden" = "xyes"; then
2782    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2783 fi
2784
2785 if test "x$have_deprecated" = "xyes"; then
2786    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2787 fi
2788
2789 dnl 
2790 dnl Simple Generational checks (sgen)
2791 dnl
2792 if $sgen_supported; then
2793    build_sgen_default=yes
2794 else
2795    build_sgen_default=no
2796 fi
2797 SGEN_DEFINES=
2798 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2799 if test x$buildsgen = xyes; then
2800    if $sgen_supported; then
2801        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2802        gc_msg="sgen and $gc_msg"
2803    else
2804        buildsgen=no
2805        AC_MSG_WARN("Sgen is not supported on this platform")
2806    fi
2807 fi
2808 AC_SUBST(SGEN_DEFINES)
2809 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2810
2811 USEJIT=false
2812 if test x$JIT_SUPPORTED = xyes; then
2813    if $jit_wanted; then
2814       USEJIT=true
2815       jit_status="Building and using the JIT"
2816    else
2817       if $interp_wanted; then
2818          jit_status="Building the JIT, defaulting to the interpreter"
2819       else
2820          AC_ERROR(No JIT or interpreter support available or selected.)
2821       fi
2822    fi
2823 else
2824    if test x$interp_wanted = xtrue; then
2825       jit_status="interpreter"
2826    else
2827       AC_ERROR(No JIT or interpreter support available or selected.)
2828    fi
2829 fi
2830
2831 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2832
2833 libsuffix=".so"
2834
2835 case "$host" in
2836      *-*-darwin*)
2837         libsuffix=".dylib"
2838         LIBC="libc.dylib"
2839         INTL="libintl.dylib"
2840         SQLITE="libsqlite.0.dylib"
2841         SQLITE3="libsqlite3.0.dylib"
2842         X11="libX11.dylib"
2843         ;;
2844      *-*-*netbsd*)
2845         LIBC="libc.so.12"
2846         INTL="libintl.so.0"
2847         ;;
2848     *-*-*freebsd*)
2849         LIBC="libc.so"
2850         INTL="libintl.so"
2851         SQLITE="libsqlite.so"
2852         SQLITE3="libsqlite3.so"
2853         ;;
2854     *-*-*openbsd*)
2855         LIBC="libc.so"
2856         INTL="libintl.so"
2857         SQLITE="libsqlite.so"
2858         SQLITE3="libsqlite3.so"
2859         ;;
2860     *-*-*linux*)
2861         AC_PATH_X
2862         AC_MSG_CHECKING(for the soname of libX11.so)
2863         for i in $x_libraries /usr/lib /usr/lib64; do
2864                 for r in 4 5 6; do
2865                         if test -f $i/libX11.so.$r; then
2866                                 X11=libX11.so.$r
2867                                 AC_MSG_RESULT($X11)
2868                         fi
2869                 done
2870         done
2871         
2872         if test "x$X11" = "xlibX11.so"; then
2873                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2874                 X11=libX11.so.6
2875         fi
2876         ;;
2877 esac
2878
2879
2880 AC_SUBST(libsuffix)
2881
2882 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2883         if test "x$with_tls" = "x__thread"; then
2884                 #
2885                 # On some linux distributions, TLS works in executables, but linking 
2886                 # against a shared library containing TLS fails with:
2887                 # undefined reference to `__tls_get_addr'
2888                 #
2889                 rm -f conftest.c conftest.so conftest
2890                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
2891                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2892                 $CC -o conftest conftest.so > /dev/null 2>&1
2893                 if test ! -f conftest; then
2894                    AC_MSG_WARN([Disabling usage of __thread.]);
2895                    with_tls=pthread
2896                 fi
2897                 rm -f conftest.c conftest.so conftest
2898         fi
2899 fi
2900
2901 mono_debugger_supported=no
2902 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
2903 if test "x$try_mono_debugger" = "xyes"; then
2904         if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xS390x"; then
2905                 if test x$use_included_gc = xyes; then
2906                         case "$host" in
2907                         *-*-*linux*)
2908                                 mono_debugger_supported=yes
2909                                 ;;
2910                         *86-apple-darwin*)
2911                                 mono_debugger_supported=yes
2912                                 ;;              
2913                         esac
2914                 fi
2915         fi
2916 fi
2917
2918 # disable the debugger entirely when building with moonlight
2919 if test "x$with_moonlight" != "xno"; then
2920         mono_debugger_supported=no
2921 fi
2922
2923 # mdb support for sgen is broken, disable it until further notice.
2924 mono_debugger_supported=no
2925
2926 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2927 if test "x$mono_debugger_supported" = "xyes"; then
2928         BOEHM_DEFINES="$BOEHM_DEFINES -DMONO_DEBUGGER_SUPPORTED"
2929         CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DMONO_DEBUGGER_SUPPORTED"
2930 fi
2931 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2932 AC_MSG_RESULT($mono_debugger_supported)
2933
2934 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
2935 if test "x$icall_symbol_map" = "xyes"; then
2936    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
2937 fi
2938
2939 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
2940 if test "x$icall_export" = "xyes"; then
2941    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
2942 fi
2943
2944 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
2945 if test "x$icall_tables" = "xno"; then
2946    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
2947 fi
2948
2949 if test "x$mono_cv_clang" = "xyes"; then
2950    # FIXME: This causes many compilation errors
2951    with_tls=pthread
2952 fi
2953
2954 if test "x$with_tls" = "x__thread"; then
2955         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2956         # Pass the information to libgc
2957         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2958         AC_MSG_CHECKING(if the tls_model attribute is supported)
2959         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2960                 ], [
2961                         AC_MSG_RESULT(yes)
2962                         # CLANG doesn't support this yet, and it prints warnings about it
2963                         if test "x$mono_cv_clang" = "xno"; then
2964                                 AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
2965                         fi
2966                 ], [
2967                         AC_MSG_RESULT(no)
2968         ])
2969 fi
2970
2971 if test ${TARGET} = ARM; then
2972         dnl ******************************************
2973         dnl *** Check to see what FPU is available ***
2974         dnl ******************************************
2975         AC_MSG_CHECKING(which FPU to use)
2976
2977         #
2978         # This is a bit tricky:
2979         #
2980         # if (__ARM_PCS_VFP) {
2981         #       /* mfloat-abi=hard == VFP with hard ABI */
2982         # } elif (!__SOFTFP__) {
2983         #       /* mfloat-abi=softfp == VFP with soft ABI */
2984         # } else {
2985         #       /* mfloat-abi=soft == no VFP */
2986         # }
2987         #
2988         # The exception is iOS (w/ GCC) where none of the above
2989         # are defined (but iOS always uses the 'softfp' ABI).
2990         #
2991         # No support for FPA.
2992         #
2993
2994         fpu=NONE
2995
2996         # iOS GCC always uses the 'softfp' ABI.
2997         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
2998                 fpu=VFP
2999         fi
3000
3001         # Are we using the 'hard' ABI?
3002         if test x$fpu = xNONE; then
3003                 AC_TRY_COMPILE([], [
3004                         #ifndef __ARM_PCS_VFP
3005                         #error "Float ABI is not 'hard'"
3006                         #endif
3007                         return 0;
3008                 ], [
3009                         fpu=VFP_HARD
3010                 ], [
3011                         fpu=NONE
3012                 ])
3013         fi
3014
3015         # No 'hard' ABI. 'soft' or 'softfp'?
3016         if test x$fpu = xNONE; then
3017                 AC_TRY_COMPILE([], [
3018                         #ifdef __SOFTFP__
3019                         #error "Float ABI is not 'softfp'"
3020                         #endif
3021                         return 0;
3022                 ], [
3023                         fpu=VFP
3024                 ], [
3025                         fpu=NONE
3026                 ])
3027         fi
3028
3029         AC_MSG_RESULT($fpu)
3030         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3031         unset fpu
3032
3033         if test x$cross_compiling = xno; then
3034                 AC_MSG_CHECKING(for ARMV6)
3035                 AC_TRY_RUN([
3036                         int main () { __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : "memory"); return 0; }
3037                                 ], armv6=yes, armv6=no)
3038
3039                 AC_MSG_RESULT($armv6)
3040                 if test ${armv6} = yes; then
3041                    AC_DEFINE(HAVE_ARMV6, 1, "Host supports ARMV6 instructions")
3042                    # libgc's gc_locks.h depends on this
3043                    CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6"
3044                 fi
3045         fi
3046 fi
3047
3048 if test ${TARGET} = ARM; then
3049         if test "x${with_jumptables}" = "xyes"; then
3050                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3051         fi
3052 fi
3053
3054 if test ${TARGET} = unknown; then
3055         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3056         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3057 fi
3058
3059 if test ${ACCESS_UNALIGNED} = no; then
3060         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3061 fi
3062
3063 case "x$gc" in
3064         xincluded)
3065                 # Pass CPPFLAGS to libgc configure
3066                 # We should use a separate variable for this to avoid passing useless and
3067                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3068                 # This should be executed late so we pick up the final version of CPPFLAGS
3069                 # The problem with this approach, is that during a reconfigure, the main
3070                 # configure scripts gets invoked with these arguments, so we use separate
3071                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3072                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3073                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3074                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3075                 fi
3076                 # Don't pass -finstrument-for-thread-suspension in, 
3077                 # if these are instrumented it will be very bad news 
3078                 # (infinite recursion, undefined parking behavior, etc)
3079                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3080                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3081                 AC_CONFIG_SUBDIRS(libgc)
3082                 ;;
3083 esac
3084
3085 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
3086 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
3087 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
3088 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3089 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3090 AC_ARG_WITH(mobile,    [  --with-mobile=yes,no            If you want to build the Mobile assemblies (defaults to no)],        [], [with_mobile=no])
3091
3092 OPROFILE=no
3093 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3094         if test x$with_oprofile != xno; then
3095             oprofile_include=$with_oprofile/include
3096             if test ! -f $oprofile_include/opagent.h; then
3097                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3098                 fi
3099             OPROFILE=yes
3100                 OPROFILE_CFLAGS="-I$oprofile_include"
3101             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3102             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3103         fi
3104 ])
3105
3106 MALLOC_MEMPOOLS=no
3107 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3108         if test x$with_malloc_mempools = xyes; then
3109                 MALLOC_MEMPOOLS=yes
3110                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3111         fi
3112 ])
3113
3114
3115 DISABLE_MCS_DOCS=no
3116 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3117         if test x$with_mcs_docs != xyes; then
3118                 DISABLE_MCS_DOCS=yes
3119         fi
3120 ])
3121 if test x$with_profile4 != xyes; then
3122         DISABLE_MCS_DOCS=yes
3123 fi
3124
3125 MOONLIGHT_DEFINES=
3126 AC_ARG_WITH(moonlight, [  --with-moonlight=yes|no|only         If you want to build Mono for Moonlight (defaults to no)],[
3127         if test x$with_moonlight != xno; then
3128         MOONLIGHT_DEFINES="-DMOONLIGHT -DDISABLE_ASSEMBLY_REMAPPING "
3129         fi
3130 ], [with_moonlight=no])
3131 AC_SUBST(MOONLIGHT_DEFINES)
3132
3133 AC_ARG_WITH(moon_gc, [  --with-moon-gc=boehm,sgen               Select the gc to use with Moonlight (defaults to boehm)],[
3134         if test "x$with_moon_gc" != "xsgen"; then
3135                 with_moon_gc=boehm
3136         fi
3137 ], [with_moon_gc=boehm])
3138
3139 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)],[
3140         if test x$with_lazy_gc_thread_creation != xno ; then
3141                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3142         fi
3143 ], [with_lazy_gc_thread_creation=no])
3144
3145 AC_CHECK_HEADER([malloc.h], 
3146                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3147                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3148
3149 if test x"$GCC" = xyes; then
3150         # Implicit function declarations are not 64 bit safe
3151         # Do this late, since this causes lots of configure tests to fail
3152         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3153         # jay has a lot of implicit declarations
3154         JAY_CFLAGS="-Wno-implicit-function-declaration"
3155 fi
3156
3157 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3158 # instead of libmono-static.a
3159 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3160    LIBMONO_LA=libmini-static.la
3161 else
3162    LIBMONO_LA=libmono-$API_VER.la
3163 fi
3164 AC_SUBST(LIBMONO_LA)
3165
3166 dnl
3167 dnl Consistency settings
3168 dnl
3169 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3170    DISABLE_MCS_DOCS=yes
3171    with_profile2=no
3172    with_profile4=no
3173    with_profile4_5=no
3174    with_monodroid=no
3175    with_monotouch=no
3176 fi
3177
3178 if test x$DISABLE_MCS_DOCS = xyes; then
3179    docs_dir=""
3180 else
3181    docs_dir=docs
3182 fi
3183 AC_SUBST(docs_dir)
3184
3185 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3186 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3187
3188 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3189 AC_SUBST(OPROFILE_CFLAGS)
3190 AC_SUBST(OPROFILE_LIBS)
3191
3192 libmono_ldflags="$libmono_ldflags $LIBS"
3193
3194 AM_CONDITIONAL(MOONLIGHT, [test "x$with_moonlight" != "xno"])
3195
3196 AM_CONDITIONAL(ONLY_MOONLIGHT, [test "x$with_moonlight" = "xonly"])
3197 AM_CONDITIONAL(MOONLIGHT_BOEHM, [test "x$with_moon_gc" = "xboehm"])
3198 AM_CONDITIONAL(MOONLIGHT_SGEN, [test "x$with_moon_gc" = "xsgen"])
3199
3200 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3201 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3202 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3203 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3204 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3205 AM_CONDITIONAL(INSTALL_MOBILE, [test "x$with_mobile" = xyes])
3206 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3207
3208 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3209 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3210 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3211 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3212 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3213 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3214 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3215 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
3216 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3217 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3218 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3219 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3220 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
3221 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3222 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3223 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3224 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3225
3226 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3227 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3228 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3229
3230 AC_SUBST(LIBC)
3231 AC_SUBST(INTL)
3232 AC_SUBST(SQLITE)
3233 AC_SUBST(SQLITE3)
3234 AC_SUBST(X11)
3235 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3236 AC_SUBST(arch_target)
3237 AC_SUBST(CFLAGS)
3238 AC_SUBST(CPPFLAGS)
3239 AC_SUBST(LDFLAGS)
3240
3241 mono_build_root=`pwd`
3242 AC_SUBST(mono_build_root)
3243
3244 if test x$USEJIT = xtrue; then
3245   mono_runtime=mono/mini/mono
3246 else
3247   mono_runtime=mono/interpreter/mint
3248 fi
3249 AC_SUBST(mono_runtime)
3250
3251 mono_cfg_root=$mono_build_root/runtime
3252 if test x$host_win32 = xyes; then
3253   if test "x$cross_compiling" = "xno"; then
3254     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3255   else
3256     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3257   fi
3258 else
3259   mono_cfg_dir=$mono_cfg_root/etc
3260 fi
3261 AC_SUBST(mono_cfg_dir)
3262
3263 AC_CONFIG_FILES([po/mcs/Makefile.in])
3264
3265 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3266 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3267
3268 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3269 [   depth=../../../..
3270     case $srcdir in
3271     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3272     .) reldir=$depth ;;
3273     *) reldir=$depth/$srcdir ;;
3274     esac
3275     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3276     cd runtime/etc/mono/1.0
3277     rm -f machine.config
3278     $LN_S $reldir/data/net_1_1/machine.config machine.config
3279     cd $depth
3280 ],[LN_S='$LN_S'])
3281
3282 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3283 [   depth=../../../..
3284     case $srcdir in
3285     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3286     .) reldir=$depth ;;
3287     *) reldir=$depth/$srcdir ;;
3288     esac
3289     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3290     cd runtime/etc/mono/2.0
3291     rm -f machine.config
3292     $LN_S $reldir/data/net_2_0/machine.config machine.config
3293     cd $depth
3294 ],[LN_S='$LN_S'])
3295
3296 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3297 [   depth=../../../..
3298     case $srcdir in
3299     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3300     .) reldir=$depth ;;
3301     *) reldir=$depth/$srcdir ;;
3302     esac
3303     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3304     cd runtime/etc/mono/2.0
3305     rm -f web.config
3306     $LN_S $reldir/data/net_2_0/web.config web.config
3307     cd $depth
3308 ],[LN_S='$LN_S'])
3309
3310 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3311 [   depth=../../..
3312     case $srcdir in
3313     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3314     .) reldir=$depth ;;
3315     *) reldir=$depth/$srcdir ;;
3316     esac
3317     $ac_aux_dir/install-sh -d runtime/etc/mono/
3318     cd runtime/etc/mono/
3319     rm -f browscap.ini
3320     $LN_S $reldir/data/browscap.ini browscap.ini
3321     cd $depth
3322 ],[LN_S='$LN_S'])
3323
3324 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3325 [   depth=../../../../..
3326     case $srcdir in
3327     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3328     .) reldir=$depth ;;
3329     *) reldir=$depth/$srcdir ;;
3330     esac
3331     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3332     cd runtime/etc/mono/2.0/Browsers
3333     rm -f Compat.browser
3334     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
3335     cd $depth
3336 ],[LN_S='$LN_S'])
3337
3338 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3339 [   depth=../../../..
3340     case $srcdir in
3341     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3342     .) reldir=$depth ;;
3343     *) reldir=$depth/$srcdir ;;
3344     esac
3345     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3346     cd runtime/etc/mono/4.0
3347     rm -f machine.config
3348     $LN_S $reldir/data/net_4_0/machine.config machine.config
3349     cd $depth
3350 ],[LN_S='$LN_S'])
3351
3352 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3353 [   depth=../../../..
3354     case $srcdir in
3355     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3356     .) reldir=$depth ;;
3357     *) reldir=$depth/$srcdir ;;
3358     esac
3359     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3360     cd runtime/etc/mono/4.0
3361     rm -f web.config
3362     $LN_S $reldir/data/net_4_0/web.config web.config
3363     cd $depth
3364 ],[LN_S='$LN_S'])
3365
3366 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3367 [   depth=../../../..
3368     case $srcdir in
3369     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3370     .) reldir=$depth ;;
3371     *) reldir=$depth/$srcdir ;;
3372     esac
3373     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3374     cd runtime/etc/mono/4.5
3375     rm -f machine.config
3376     $LN_S $reldir/data/net_4_5/machine.config machine.config
3377     cd $depth
3378 ],[LN_S='$LN_S'])
3379
3380 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3381 [   depth=../../../..
3382     case $srcdir in
3383     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3384     .) reldir=$depth ;;
3385     *) reldir=$depth/$srcdir ;;
3386     esac
3387     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3388     cd runtime/etc/mono/4.5
3389     rm -f web.config
3390     $LN_S $reldir/data/net_4_5/web.config web.config
3391     cd $depth
3392 ],[LN_S='$LN_S'])
3393
3394 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])
3395
3396 AC_OUTPUT([
3397 Makefile
3398 mono-core.spec
3399 mono-uninstalled.pc
3400 scripts/mono-find-provides
3401 scripts/mono-find-requires
3402 mono/Makefile
3403 mono/utils/Makefile
3404 mono/metadata/Makefile
3405 mono/dis/Makefile
3406 mono/cil/Makefile
3407 mono/arch/Makefile
3408 mono/arch/x86/Makefile
3409 mono/arch/amd64/Makefile
3410 mono/arch/ppc/Makefile
3411 mono/arch/sparc/Makefile
3412 mono/arch/s390x/Makefile
3413 mono/arch/arm/Makefile
3414 mono/arch/ia64/Makefile
3415 mono/arch/mips/Makefile
3416 mono/interpreter/Makefile
3417 mono/tests/Makefile
3418 mono/tests/tests-config
3419 mono/tests/assemblyresolve/Makefile
3420 mono/tests/cas/Makefile
3421 mono/tests/cas/assembly/Makefile
3422 mono/tests/cas/demand/Makefile
3423 mono/tests/cas/inheritance/Makefile
3424 mono/tests/cas/linkdemand/Makefile
3425 mono/tests/cas/threads/Makefile
3426 mono/tests/gc-descriptors/Makefile
3427 mono/benchmark/Makefile
3428 mono/monograph/Makefile
3429 mono/io-layer/Makefile
3430 mono/mini/Makefile
3431 mono/profiler/Makefile
3432 m4/Makefile
3433 ikvm-native/Makefile
3434 scripts/Makefile
3435 man/Makefile
3436 docs/Makefile
3437 data/Makefile
3438 data/net_2_0/Makefile
3439 data/net_4_0/Makefile
3440 data/net_4_5/Makefile
3441 data/net_2_0/Browsers/Makefile
3442 data/mint.pc
3443 data/mono-2.pc
3444 data/monosgen-2.pc
3445 data/mono.pc
3446 data/mono-cairo.pc
3447 data/mono-nunit.pc
3448 data/mono-options.pc
3449 data/mono-lineeditor.pc
3450 data/monodoc.pc
3451 data/mono.web.pc
3452 data/dotnet.pc
3453 data/dotnet35.pc
3454 data/wcf.pc
3455 data/cecil.pc
3456 data/system.web.extensions_1.0.pc
3457 data/system.web.extensions.design_1.0.pc
3458 data/system.web.mvc.pc
3459 data/system.web.mvc2.pc
3460 data/system.web.mvc3.pc
3461 data/aspnetwebstack.pc
3462 data/reactive.pc
3463 samples/Makefile
3464 support/Makefile
3465 data/config
3466 tools/Makefile
3467 tools/locale-builder/Makefile
3468 tools/sgen/Makefile
3469 runtime/Makefile
3470 msvc/Makefile
3471 po/Makefile
3472 ])
3473
3474 # Update all submodules recursively to ensure everything is checked out
3475 $srcdir/scripts/update_submodules
3476
3477 if test x$host_win32 = xyes; then
3478    # Get rid of 'cyg' prefixes in library names
3479    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3480    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3481    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3482    # executable doesn't work...
3483    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3484 fi
3485
3486 if test x$platform_darwin = xyes; then
3487    # This doesn't seem to be required and it slows down parallel builds
3488    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3489 fi
3490
3491 (
3492   case $prefix in
3493   NONE) prefix=$ac_default_prefix ;;
3494   esac
3495   case $exec_prefix in
3496   NONE) exec_prefix='${prefix}' ;;
3497   esac
3498
3499   #
3500   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3501   # any existing config.make.  This allows people to share the same source tree
3502   # with different build directories, one native and one cross
3503   #
3504   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3505
3506     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3507
3508     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3509     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3510     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3511     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3512     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3513     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3514     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3515     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3516
3517     case $INSTALL in
3518     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3519     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3520     esac
3521
3522     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3523
3524     export VERSION
3525     [myver=$($AWK 'BEGIN {
3526       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3527       if(length(vsplit [1]) > 4) {
3528         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3529       }
3530       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3531     }')]
3532
3533     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3534
3535     if test x$platform_darwin = xyes; then
3536       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3537     fi
3538
3539         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3540            enable_system_aot=yes
3541         fi
3542
3543         if test "x$enable_loadedllvm" = "xyes"; then
3544            # This seems to fail on the x86 buildbots
3545            enable_system_aot=no
3546         fi
3547
3548     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3549       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3550     fi
3551
3552     if test x$DISABLE_MCS_DOCS = xyes; then
3553       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3554     fi
3555
3556     if test x$with_moonlight != xno; then
3557       echo "MOONLIGHT = 1" >> $srcdir/$mcsdir/build/config.make
3558     fi
3559
3560     if test x$has_extension_module != xno; then
3561         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3562     fi
3563
3564         default_profile=net_2_0
3565     if test -z "$INSTALL_4_0_TRUE"; then :
3566                 default_profile=net_4_0
3567     fi
3568     if test -z "$INSTALL_MONODROID_TRUE"; then :
3569                 default_profile=monodroid
3570     fi
3571     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3572                 default_profile=monotouch
3573     fi
3574     if test -z "$INSTALL_4_5_TRUE"; then :
3575                 default_profile=net_4_5
3576     fi
3577     
3578     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3579     
3580     if test "x$test_bcl_opt" = "xyes"; then    
3581       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3582     fi
3583
3584   fi
3585
3586   # if we have an olive folder, override the default settings
3587   if test -d $olivedir; then
3588
3589     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3590
3591       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3592
3593       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3594       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3595       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3596       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3597       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3598       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3599     fi
3600   fi
3601
3602 )
3603
3604 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3605
3606 echo "
3607         mcs source:    $mcsdir
3608
3609    Engine:
3610         GC:            $gc_msg 
3611         TLS:           $with_tls
3612         SIGALTSTACK:   $with_sigaltstack
3613         Engine:        $jit_status
3614         oprofile:      $OPROFILE
3615         BigArrays:     $enable_big_arrays
3616         DTrace:        $enable_dtrace
3617         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3618
3619    Libraries:
3620         .NET 2.0/3.5:  $with_profile2
3621         .NET 4.0:      $with_profile4
3622         .NET 4.5:      $with_profile4_5
3623         MonoDroid:     $with_monodroid
3624         MonoTouch:     $with_monotouch
3625         JNI support:   $jdk_headers_found
3626         libgdiplus:    $libgdiplus_msg
3627         zlib:          $zlib_msg
3628         $disabled
3629 "
3630 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3631    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3632 fi