Merge pull request #654 from alesliehughes/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, [3.1.0],
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 ${libdir}`
67 AC_SUBST(reloc_libdir)
68
69 dnl if linker handles the version script
70 no_version_script=no
71
72 # Set to yes if Unix sockets cannot be created in an anonymous namespace
73 need_link_unlink=no
74
75 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
76 extra_runtime_ldflags=""
77
78 # Thread configuration inspired by sleepycat's db
79 AC_MSG_CHECKING([host platform characteristics])
80 libgc_threads=no
81 has_dtrace=no
82 parallel_mark=yes
83 ikvm_native=yes
84
85 case "$host" in
86         powerpc*-*-linux*)
87                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
88                 disable_munmap=yes
89         ;;
90 esac
91
92 host_win32=no
93 target_win32=no
94 platform_android=no
95 platform_darwin=no
96 case "$host" in
97         *-mingw*|*-*-cygwin*)
98                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
99                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
100                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
101                 host_win32=yes
102                 mono_cv_clang=no
103                 if test "x$cross_compiling" = "xno"; then
104                         target_win32=yes
105                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
106                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
107                         fi
108                         #
109                         # gcc-3/g++-3 are from the gcc-core/gcc-g++ cygwin packages.
110                         # Other gcc packages will not work:
111                         # - the gcc-4 packages no longer support -mno-cygwin
112                         # - the mingw-gcc packages produce executables which depends on a libgcc<...>
113                         # dll, which means we would have to distribute that file too.
114                         #
115                         if test "x$CC" != "x"; then
116                                 AC_ERROR(Don't set CC. mono can only be compiled with gcc-3 from the 'gcc-core' package)
117                         fi
118                         CC="gcc-3.exe -mno-cygwin -g"
119                         CXX="g++-3.exe -mno-cygwin -g"
120                         # So libgc configure gets -mno-cygwin
121                         export CC
122                         export CXX
123                         CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -mno-cygwin"
124                 else
125                         target_win32=yes
126                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
127                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
128                 fi
129                 HOST_CC="gcc"
130                 # Windows 2000 is required that includes Internet Explorer 5.01
131                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
132                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
133                 libmono_cflags="-mno-cygwin -mms-bitfields -mwindows"
134                 libmono_ldflags="-mno-cygwin -mms-bitfields -mwindows"
135                 libdl=
136                 libgc_threads=win32
137                 gc_default=included
138                 with_sigaltstack=no
139                 LN_S=cp
140                 # This forces libgc to use the DllMain based thread registration code on win32
141                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
142                 ;;
143         *-*-*netbsd*)
144                 host_win32=no
145                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
146                 libmono_cflags="-D_REENTRANT"
147                 LDFLAGS="$LDFLAGS -pthread"
148                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
149                 libmono_ldflags="-pthread"
150                 need_link_unlink=yes
151                 libdl="-ldl"
152                 libgc_threads=pthreads
153                 with_sigaltstack=no
154                 use_sigposix=yes
155                 ;;
156         *-*-*freebsd*)
157                 host_win32=no
158                 if test "x$PTHREAD_CFLAGS" = "x"; then
159                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
160                         libmono_cflags=
161                 else
162                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
163                         libmono_cflags="$PTHREAD_CFLAGS"
164                 fi
165                 if test "x$PTHREAD_LIBS" = "x"; then
166                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
167                         libmono_ldflags="-pthread"
168                 else
169                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
170                         libmono_ldflags="$PTHREAD_LIBS"
171                 fi
172                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
173                 need_link_unlink=yes
174                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
175                 libdl=
176                 libgc_threads=pthreads
177                 # This doesn't seem to work as of 7.0 on amd64
178                 with_sigaltstack=no
179                 use_sigposix=yes
180                 ;;
181         *-*-*openbsd*)
182                 host_win32=no
183                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
184                 if test "x$disable_munmap" != "xyes"; then
185                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
186                 fi
187                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
188                 LDFLAGS="$LDFLAGS -pthread"
189                 need_link_unlink=yes
190                 AC_DEFINE(PTHREAD_POINTER_ID)
191                 libdl=
192                 gc_default=boehm
193                 libgc_threads=pthreads
194                 with_sigaltstack=no
195                 use_sigposix=yes
196                 ;;
197         *-*-linux-android*)
198                 host_win32=no
199                 platform_android=yes
200                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
201                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
202
203                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
204                 if test "x$disable_munmap" != "xyes"; then
205                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
206                 fi
207                 libmono_cflags="-D_REENTRANT"
208                 libdl="-ldl"
209                 libgc_threads=pthreads
210                 use_sigposix=yes
211
212                 with_tls=pthread
213                 with_sigaltstack=no
214                 with_static_mono=no
215
216                 # Android doesn't support boehm, as it's missing <link.h>
217                 support_boehm=no
218                 with_gc=sgen
219
220                 # isinf(3) requires -lm; see isinf check below
221                 LDFLAGS="$LDFLAGS -lm"
222
223                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
224                 # PAGE_SIZE; breaks mono/io-layer/collection.c
225                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
226                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
227                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
228
229                 # to bypass the underscore linker check, can't work when cross-compiling
230                 mono_cv_uscore=yes
231                 mono_cv_clang=no
232                 ;;
233         *-*-linux*)
234                 host_win32=no
235                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
236                 if test "x$disable_munmap" != "xyes"; then
237                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
238                 fi
239                 libmono_cflags="-D_REENTRANT"
240                 libdl="-ldl"
241                 libgc_threads=pthreads
242                 use_sigposix=yes
243                 if test "x$cross_compiling" != "xno"; then
244                         # to bypass the underscore linker check, not
245                         # available during cross-compilation
246                         mono_cv_uscore=no
247                 fi
248                 ;;
249         *-*-nacl*)
250                 host_win32=no
251                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
252                 if test "x$disable_munmap" != "xyes"; then
253                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
254                 fi
255                 libmono_cflags="-D_REENTRANT"
256                 libdl=
257                 libgc_threads=pthreads
258                 gc_default=boehm
259                 use_sigposix=yes
260                 ikvm_native=no
261                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
262                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
263                 ;;
264         *-*-hpux*)
265                 host_win32=no
266                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
267                 # +ESdbgasm only valid on bundled cc on RISC
268                 # silently ignored for ia64
269                 if test $GCC != "yes"; then
270                         CFLAGS="$CFLAGS +ESdbgasm"
271                         # Arrange for run-time dereferencing of null
272                         # pointers to produce a SIGSEGV signal.
273                         LDFLAGS="$LDFLAGS -z"
274                 fi
275                 CFLAGS="$CFLAGS +ESdbgasm"
276                 LDFLAGS="$LDFLAGS -z"
277                 libmono_cflags="-D_REENTRANT"
278                 libmono_ldflags="-lpthread"
279                 libgc_threads=pthreads
280                 need_link_unlink=yes
281                 use_sigposix=yes
282                 ;;
283         *-*-solaris*)
284                 host_win32=no
285                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
286                 need_link_unlink=yes
287                 libmono_cflags="-D_REENTRANT"
288                 libgc_threads=pthreads
289                 # This doesn't seem to work on solaris/x86, but the configure test runs
290                 with_tls=pthread
291                 has_dtrace=yes
292                 use_sigposix=yes
293                 enable_solaris_tar_check=yes
294                 ;;
295         *-*-darwin*)
296                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
297                 host_win32=no
298                 platform_darwin=yes
299                 target_mach=yes
300                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
301                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
302                 libmono_cflags="-D_THREAD_SAFE"
303                 need_link_unlink=yes
304                 AC_DEFINE(PTHREAD_POINTER_ID)
305                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
306                 no_version_script=yes
307                 libdl=
308                 libgc_threads=pthreads
309                 has_dtrace=yes
310                 if test "x$cross_compiling" = "xyes"; then
311                         has_broken_apple_cpp=yes
312                 fi
313                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
314                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
315                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
316                 case "$host" in
317                         dnl Snow Leopard and newer config.guess reports as this
318                         i*86-*-darwin*)
319                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
320                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
321                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
322                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
323                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
324                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
325                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
326                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
327                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
328                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
329                                 extra_runtime_ldflags="-stack_size,0x800000"
330                                 ;;
331                         x*64-*-darwin*)
332                                 extra_runtime_ldflags="-stack_size,0x800000"
333                                 ;;
334                         arm*-darwin*)
335                                 has_dtrace=no
336                                 ;;                      
337                 esac
338                 ;;
339         *-*-haiku*)
340                 host_win32=no
341                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
342                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
343                 libdl=
344                 LIBS="$LIBS -lnetwork"
345                 need_link_unlink=yes
346                 AC_DEFINE(PTHREAD_POINTER_ID)
347                 libgc_threads=pthreads
348                 use_sigposix=yes
349                 ;;
350         *)
351                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
352                 host_win32=no
353                 libdl="-ldl"
354                 ;;
355 esac
356 AC_MSG_RESULT(ok)
357
358 if test x$need_link_unlink = xyes; then
359    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
360 fi
361
362 AC_SUBST(extra_runtime_ldflags)
363 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
364 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
365 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
366 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
367 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
368 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
369
370 AC_CHECK_TOOL(CC, gcc, gcc)
371 AC_PROG_CC
372 AC_CHECK_TOOL(CXX, g++, g++)
373 AC_PROG_CXX
374 AM_PROG_AS
375 AC_PROG_INSTALL
376 AC_PROG_AWK
377 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
378 : ${CCAS='$(CC)'}
379 # Set ASFLAGS if not already set.
380 : ${CCASFLAGS='$(CFLAGS)'}
381 AC_SUBST(CCAS)
382 AC_SUBST(CCASFLAGS)
383
384 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
385 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
386 if test "x$CXX" = "xg++"; then
387         if test "x$GXX" != "xyes"; then
388                 # automake/libtool is so broken, it requires g++ even if the c++ sources
389                 # are inside automake conditionals
390                 AC_MSG_ERROR([You need to install g++])
391         fi
392 fi
393
394 dnl may require a specific autoconf version
395 dnl AC_PROG_CC_FOR_BUILD
396 dnl CC_FOR_BUILD not automatically detected
397 CC_FOR_BUILD=$CC
398 CFLAGS_FOR_BUILD=$CFLAGS
399 BUILD_EXEEXT=
400 if test "x$cross_compiling" = "xyes"; then
401         CC_FOR_BUILD=cc
402         CFLAGS_FOR_BUILD=
403         BUILD_EXEEXT=""
404 fi
405 AC_SUBST(CC_FOR_BUILD)
406 AC_SUBST(CFLAGS_FOR_BUILD)
407 AC_SUBST(HOST_CC)
408 AC_SUBST(BUILD_EXEEXT)
409
410 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
411 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
412
413 # Set STDC_HEADERS
414 AC_HEADER_STDC
415 AC_LIBTOOL_WIN32_DLL
416 # This causes monodis to not link correctly
417 #AC_DISABLE_FAST_INSTALL
418 AM_PROG_LIBTOOL
419 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
420 DOLT
421
422 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
423 AC_SUBST(export_ldflags)
424
425 # Test whenever ld supports -version-script
426 AC_PROG_LD
427 AC_PROG_LD_GNU
428 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
429    no_version_script=yes
430 fi
431
432 AM_ICONV()
433
434 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
435
436 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)
437 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)
438 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
439                   [], [], [#include <stddef.h>
440                   #include <sys/socket.h>
441                   #include <linux/socket.h>])
442
443 AC_CHECK_HEADERS(sys/user.h, [], [],
444 [
445 #ifdef HAVE_SYS_PARAM_H
446 # include <sys/param.h>
447 #endif
448 ])
449
450 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
451 if test x$have_zlib = xyes; then
452    AC_TRY_COMPILE([#include <zlib.h>], [
453    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
454    return 0;
455    #else
456    #error No good zlib found
457    #endif
458    ],[
459         AC_MSG_RESULT(Using system zlib)
460         zlib_msg="system zlib"
461         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
462    ],[
463         AC_MSG_RESULT(Using embedded zlib)
464         have_zlib=no
465         zlib_msg="bundled zlib"
466    ])
467 fi
468
469 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
470 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
471
472 # for mono/metadata/debug-symfile.c
473 AC_CHECK_HEADERS(elf.h)
474
475 # for support
476 AC_CHECK_HEADERS(poll.h)
477 AC_CHECK_HEADERS(sys/poll.h)
478 AC_CHECK_HEADERS(sys/wait.h)
479 AC_CHECK_HEADERS(grp.h)
480 AC_CHECK_HEADERS(syslog.h)
481
482 # for mono/dis
483 AC_CHECK_HEADERS(wchar.h)
484 AC_CHECK_HEADERS(ieeefp.h)
485 AC_MSG_CHECKING(for isinf)
486 AC_TRY_LINK([#include <math.h>], [
487         int f = isinf (1);
488 ], [
489         AC_MSG_RESULT(yes)
490         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
491 ], [
492         # We'll have to use signals
493         AC_MSG_RESULT(no)
494 ])
495
496 # for Linux statfs support
497 AC_CHECK_HEADERS(linux/magic.h)
498
499 # not 64 bit clean in cross-compile
500 AC_CHECK_SIZEOF(void *, 4)
501
502 WARN=''
503 if test x"$GCC" = xyes; then
504         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
505                 # The runtime code does not respect ANSI C strict aliasing rules
506                 CFLAGS="$CFLAGS -fno-strict-aliasing"
507
508                 ORIG_CFLAGS=$CFLAGS
509                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
510                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
511                 AC_TRY_COMPILE([],[
512                                 return 0;
513                 ], [
514                    AC_MSG_RESULT(yes)
515                 ], [
516                    AC_MSG_RESULT(no)
517                    CFLAGS=$ORIG_CFLAGS
518                 ])
519
520                 ORIG_CFLAGS=$CFLAGS
521                 # Check for the normal version, since gcc ignores unknown -Wno options
522                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
523                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
524                 AC_TRY_COMPILE([],[
525                                 return 0;
526                 ], [
527                    AC_MSG_RESULT(yes)
528                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
529                 ], [
530                    AC_MSG_RESULT(no)
531                    CFLAGS=$ORIG_CFLAGS
532                 ])
533 else
534         # The Sun Forte compiler complains about inline functions that access static variables
535         # so disable all inlining.
536         case "$host" in
537         *-*-solaris*)
538                 CFLAGS="$CFLAGS -Dinline="
539                 ;;
540         esac
541 fi
542 CFLAGS="$CFLAGS -g $WARN"
543 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
544
545 AC_CACHE_CHECK([for clang],
546         mono_cv_clang,[
547         AC_TRY_COMPILE([], [
548                 #ifdef __clang__
549                 #else
550                 #error "FAILED"
551                 #endif
552                 return 0;
553         ],
554         [mono_cv_clang=yes],
555         [mono_cv_clang=no],
556         [])
557 ])
558
559 # Where's the 'mcs' source tree?
560 if test -d $srcdir/mcs; then
561   mcsdir=mcs
562 else
563   mcsdir=../mcs
564 fi
565
566 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
567         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
568                 mcsdir=$with_mcs_path
569         fi
570 )
571
572 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
573
574 #
575 # A sanity check to catch cases where the package was unpacked
576 # with an ancient tar program (Solaris)
577 #
578 AC_ARG_ENABLE(solaris-tar-check,
579 [  --disable-solaris-tar-check    disable solaris tar check],
580    do_solaris_tar_check=no, do_solaris_tar_check=yes)
581
582 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
583         AC_MSG_CHECKING(integrity of package)
584         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
585         then
586                 AC_MSG_RESULT(ok)
587         else
588                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
589                 AC_MSG_ERROR([$errorm])
590         fi
591 fi
592
593 if test "x$with_mcs_path" != "x"; then
594 mcs_topdir=$(cd "$mcsdir" && pwd)
595 mcs_topdir_from_srcdir=$mcs_topdir
596 else
597 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
598 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
599 fi
600
601 # Convert mcs_topdir* paths to Windows syntax.
602 if test x$cross_compiling$host_win32 = xnoyes; then
603   mcs_topdir=$(cygpath -m $mcs_topdir)
604   case $mcs_topdir_from_srcdir in
605     /cygdrive/*)
606         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
607         ;;
608   esac
609 fi
610
611 AC_SUBST([mcs_topdir])
612 AC_SUBST([mcs_topdir_from_srcdir])
613
614 # Where's the 'olive' source tree?
615 if test -d $srcdir/olive; then
616   olivedir=olive
617 else
618   olivedir=../olive
619 fi
620
621 if test -d $srcdir/$olivedir; then
622 olive_topdir='$(top_srcdir)/'$olivedir
623 fi
624
625 # gettext: prepare the translation directories. 
626 # we do not configure the full gettext, as we consume it dynamically from C#
627 AM_PO_SUBDIRS
628
629 if test "x$USE_NLS" = "xyes"; then
630    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
631
632    if test "x$HAVE_MSGFMT" = "xno"; then
633           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
634    fi
635 fi
636
637 AC_ARG_WITH([libgdiplus], 
638         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)], 
639         [], [with_libgdiplus=installed])
640
641 case $with_libgdiplus in
642 no|installed) libgdiplus_loc= ;;
643 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
644 /*) libgdiplus_loc=$with_libgdiplus ;;
645 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
646 esac
647 AC_SUBST([libgdiplus_loc])
648
649 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
650
651 pkg_config_path=
652 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
653         if test x$with_crosspkgdir = "x"; then
654                 if test -s $PKG_CONFIG_PATH; then
655                         pkg_config_path=$PKG_CONFIG_PATH
656                 fi
657         else
658                 pkg_config_path=$with_crosspkgdir
659                 PKG_CONFIG_PATH=$pkg_config_path
660                 export PKG_CONFIG_PATH
661         fi
662 )
663
664 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
665 AC_CONFIG_SUBDIRS(eglib)
666
667 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
668 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
669 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
670 BUILD_GLIB_LIBS="$GLIB_LIBS"
671 GMODULE_CFLAGS="$GLIB_CFLAGS"
672 GMODULE_LIBS="$GLIB_LIBS"
673   
674 AC_SUBST(GLIB_CFLAGS)
675 AC_SUBST(GLIB_LIBS)
676 AC_SUBST(GMODULE_CFLAGS)
677 AC_SUBST(GMODULE_LIBS)
678 AC_SUBST(BUILD_GLIB_CFLAGS)
679 AC_SUBST(BUILD_GLIB_LIBS)
680
681 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
682
683 # Enable support for fast thread-local storage
684 # Some systems have broken support, so we allow to disable it.
685 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
686
687 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
688 # This does not work on some platforms (bug #55253)
689 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
690
691 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
692 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
693 # Same as --with-shared_mono=no
694 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
695
696 if test "x$enable_static" = "xno"; then
697    with_static_mono=no
698 fi
699
700 if test "x$enable_shared" = "xno"; then
701    with_shared_mono=no
702 fi
703
704 if test "x$enable_libraries" = "xno"; then
705    with_shared_mono=no
706 fi
707
708 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
709
710 case $host in
711 *nacl* ) with_shared_mono=yes;;
712 esac
713
714 if test "x$host_win32" = "xyes"; then
715    # Boehm GC requires the runtime to be in its own dll
716    with_static_mono=no
717 fi
718
719 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
720 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
721 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
722
723 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
724 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
725         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
726         ORIG_CFLAGS=$CFLAGS
727         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
728         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
729         AC_TRY_COMPILE([], [
730                 return 0;
731         ], [
732            AC_MSG_RESULT(yes)
733            # Pass it to libgc as well
734            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
735         ], [
736            AC_MSG_RESULT(no)
737            CFLAGS=$ORIG_CFLAGS
738         ])
739 fi
740
741 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
742
743 if test x$enable_small_config = xyes; then
744         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
745         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
746 fi
747
748 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=$enableval, enable_system_aot=default)
749
750 DISABLED_FEATURES=none
751
752 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
753      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
754      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
755          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
756 [
757         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
758                 eval "mono_feature_disable_$feature='yes'"
759         done
760         DISABLED_FEATURES=$enable_minimal
761         disabled="Disabled:      $enable_minimal"
762 ],[])
763
764 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
765
766 if test "x$mono_feature_disable_aot" = "xyes"; then
767         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
768         AC_MSG_NOTICE([Disabled AOT compiler])
769 fi
770
771 if test "x$mono_feature_disable_profiler" = "xyes"; then
772         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
773         AC_MSG_NOTICE([Disabled support for the profiler])
774 fi
775 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
776
777 if test "x$mono_feature_disable_decimal" = "xyes"; then
778         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
779         AC_MSG_NOTICE([Disabled support for decimal])
780 fi
781
782 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
783         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
784         AC_MSG_NOTICE([Disabled support for P/Invoke])
785 fi
786
787 if test "x$mono_feature_disable_debug" = "xyes"; then
788         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
789         AC_MSG_NOTICE([Disabled support for runtime debugging])
790 fi
791
792 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
793         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
794         mono_feature_disable_reflection_emit_save=yes
795         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
796 fi
797
798 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
799         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
800         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
801 fi
802
803 if test "x$mono_feature_disable_large_code" = "xyes"; then
804         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
805         AC_MSG_NOTICE([Disabled support for large assemblies])
806 fi
807
808 if test "x$mono_feature_disable_logging" = "xyes"; then
809         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
810         AC_MSG_NOTICE([Disabled support for logging])
811 fi
812
813 if test "x$mono_feature_disable_com" = "xyes"; then
814         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
815         AC_MSG_NOTICE([Disabled COM support])
816 fi
817
818 if test "x$mono_feature_disable_ssa" = "xyes"; then
819         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
820         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
821 fi
822
823 if test "x$mono_feature_disable_generics" = "xyes"; then
824         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
825         AC_MSG_NOTICE([Disabled Generics Support])
826 fi
827
828 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
829         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
830         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
831 fi
832
833 if test "x$mono_feature_disable_portability" = "xyes"; then
834         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
835         AC_MSG_NOTICE([Disabled IO Portability layer])
836 fi
837
838 if test "x$mono_feature_disable_attach" = "xyes"; then
839         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
840         AC_MSG_NOTICE([Disabled agent attach])
841 fi
842
843 if test "x$mono_feature_disable_full_messages" = "xyes"; then
844         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
845         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
846 fi
847
848 if test "x$mono_feature_disable_verifier" = "xyes"; then
849         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
850         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
851 fi
852
853 if test "x$mono_feature_disable_jit" = "xyes"; then
854         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
855         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
856 fi
857
858 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
859
860 if test "x$mono_feature_disable_simd" = "xyes"; then
861         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
862         AC_MSG_NOTICE([Disabled SIMD support])
863 fi
864
865 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
866         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
867         AC_MSG_NOTICE([Disabled Soft Debugger.])
868 fi
869
870 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
871         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
872         AC_MSG_NOTICE([Disabled Performance Counters.])
873 fi
874 if test "x$mono_feature_disable_normalization" = "xyes"; then
875         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
876         AC_MSG_NOTICE([Disabled String normalization support.])
877 fi
878
879 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
880         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
881         AC_MSG_NOTICE([Disabled Assembly remapping.])
882 fi
883
884 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
885         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
886         AC_MSG_NOTICE([Disabled Shared perfcounters.])
887 fi
888
889 if test "x$mono_feature_disable_appdomains" = "xyes"; then
890         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
891         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
892 fi
893
894 if test "x$mono_feature_disable_remoting" = "xyes"; then
895         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
896         AC_MSG_NOTICE([Disabled remoting])
897 fi
898
899 if test "x$mono_feature_disable_security" = "xyes"; then
900         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
901         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
902 fi
903
904 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
905         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
906         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
907 fi
908
909 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
910         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
911         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
912 fi
913
914 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
915         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
916         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
917 fi
918
919 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
920         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
921         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
922 fi
923
924 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
925         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
926         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
927 fi
928
929 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
930 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
931
932 AC_ARG_ENABLE(extension-module, [  --enable-extension-module enables usage of the extension module], has_extension_module=$enableval, has_extension_module=no)
933 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
934
935 if test x$has_extension_module != xno ; then
936         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
937         AC_MSG_NOTICE([Enabling mono extension module.])
938 fi
939
940
941 AC_MSG_CHECKING(for visibility __attribute__)
942 AC_COMPILE_IFELSE([
943         AC_LANG_SOURCE([[
944                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
945                 int main () { doit (); return 0; }
946         ]])
947 ], [
948    have_visibility_hidden=yes
949    AC_MSG_RESULT(yes)
950 ], [
951    have_visibility_hidden=no
952    AC_MSG_RESULT(no)
953 ])
954
955 AC_MSG_CHECKING(for deprecated __attribute__)
956 AC_TRY_COMPILE([
957      int doit (void) __attribute__ ((deprecated));
958      int doit (void) { return 0; }
959 ], [
960         return 0;
961 ], [
962    have_deprecated=yes
963    AC_MSG_RESULT(yes)
964 ], [
965    have_deprecated=no
966    AC_MSG_RESULT(no)
967 ])
968
969 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
970 if test x$enable_parallel_mark = xyes; then
971         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
972 fi
973
974 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
975 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
976
977 dnl
978 dnl Boehm GC configuration
979 dnl
980 LIBGC_CPPFLAGS=
981 LIBGC_LIBS=
982 LIBGC_STATIC_LIBS=
983 libgc_dir=
984 case "x$gc" in
985         xboehm|xbohem|xyes)
986                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
987                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
988
989                 if test "x$found_boehm" != "xyes"; then
990                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
991                 fi
992                 if test "x$gc_headers" != "xyes"; then
993                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
994                 fi
995
996                 LIBGC_LIBS="-lgc $libdl"
997                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
998                 libmono_ldflags="$libmono_ldflags -lgc"
999                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1000
1001                 # AC_CHECK_FUNCS does not work for some reason...
1002                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1003                 if test "x$found_gcj_malloc" = "xyes"; then
1004                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1005                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1006                         gc_msg="System Boehm with typed GC"
1007                 else
1008                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1009                         gc_msg="System Boehm (without typed GC)"
1010                 fi
1011                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1012                 if test "x$found_gc_enable" = "xyes"; then
1013                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1014                 fi
1015
1016                 # check whether we need to explicitly allow
1017                 # thread registering
1018                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1019                 if test "x$found_allow_register_threads" = "xyes"; then
1020                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1021                 fi
1022
1023                 ;;
1024
1025         xincluded)
1026                 use_included_gc=yes
1027                 libgc_dir=libgc
1028
1029                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1030                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1031                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1032
1033                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1034
1035                 gc_msg="bundled Boehm GC with typed GC"
1036                 if test x$enable_parallel_mark = xyes; then
1037                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1038                         gc_msg="$gc_msg and parallel mark"
1039                 else
1040                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1041                 fi
1042                 ;;
1043
1044         xsgen)
1045                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1046                 ;;
1047
1048         xnone)
1049                 AC_MSG_WARN("Compiling mono without GC.")
1050                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1051                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1052                 ;;
1053         *)
1054                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1055                 ;;
1056 esac
1057
1058 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1059 if test "x$large_heap" = "xyes"; then
1060    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1061 fi
1062
1063 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1064 AC_SUBST(LIBGC_CPPFLAGS)
1065 AC_SUBST(LIBGC_LIBS)
1066 AC_SUBST(LIBGC_STATIC_LIBS)
1067 AC_SUBST(libgc_dir)
1068 AC_SUBST(BOEHM_DEFINES)
1069
1070 dnl
1071 dnl End of libgc checks
1072 dnl
1073
1074 dnl *************************************
1075 dnl *** Checks for zero length arrays ***
1076 dnl *************************************
1077 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1078 AC_TRY_COMPILE([
1079         struct s {
1080                 int  length;
1081                 char data [0];
1082         };
1083 ], [], [
1084         AC_MSG_RESULT(yes)
1085         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1086 ], [
1087         AC_MSG_RESULT(no)
1088         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1089 ])
1090
1091 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1092
1093 if test x$target_win32 = xno; then
1094
1095         dnl hires monotonic clock support
1096         AC_SEARCH_LIBS(clock_gettime, rt)
1097
1098         dnl dynamic loader support
1099         AC_CHECK_FUNC(dlopen, DL_LIB="",
1100                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1101         )
1102         if test x$dl_support = xno; then
1103                 AC_MSG_WARN([No dynamic loading support available])
1104         else
1105                 LIBS="$LIBS $DL_LIB"
1106                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1107                 dnl from glib's configure.in
1108                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1109                         mono_cv_uscore,[
1110                         AC_TRY_RUN([#include <dlfcn.h>
1111                         int mono_underscore_test (void) { return 42; }
1112                         int main() {
1113                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1114                           handle = dlopen ((void*)0, 0);
1115                           if (handle) {
1116                             f1 = dlsym (handle, "mono_underscore_test");
1117                             f2 = dlsym (handle, "_mono_underscore_test");
1118                           } return (!f2 || f1);
1119                         }],
1120                                 [mono_cv_uscore=yes],
1121                                 [mono_cv_uscore=no],
1122                         [])
1123                 ])
1124                 if test "x$mono_cv_uscore" = "xyes"; then
1125                         MONO_DL_NEED_USCORE=1
1126                 else
1127                         MONO_DL_NEED_USCORE=0
1128                 fi
1129                 AC_SUBST(MONO_DL_NEED_USCORE)
1130                 AC_CHECK_FUNC(dlerror)
1131         fi
1132
1133         dnl ******************************************************************
1134         dnl *** Checks for the IKVM JNI interface library                  ***
1135         dnl ******************************************************************
1136         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])
1137
1138         ikvm_native_dir=
1139         if test x$with_ikvm_native = xyes; then
1140                 ikvm_native_dir=ikvm-native
1141                 jdk_headers_found="IKVM Native"
1142         fi
1143
1144         AC_SUBST(ikvm_native_dir)
1145
1146         AC_CHECK_HEADERS(execinfo.h)
1147
1148         AC_CHECK_FUNCS(getgrgid_r)
1149         AC_CHECK_FUNCS(getgrnam_r)
1150         AC_CHECK_FUNCS(getpwnam_r)
1151         AC_CHECK_FUNCS(getpwuid_r)
1152         AC_CHECK_FUNCS(getresuid)
1153         AC_CHECK_FUNCS(setresuid)
1154         AC_CHECK_FUNCS(kqueue)
1155         AC_CHECK_FUNCS(backtrace_symbols)
1156         AC_CHECK_FUNCS(mkstemp)
1157         AC_CHECK_FUNCS(mmap)
1158         AC_CHECK_FUNCS(madvise)
1159         AC_CHECK_FUNCS(getrusage)
1160         AC_CHECK_FUNCS(getpriority)
1161         AC_CHECK_FUNCS(setpriority)
1162         AC_CHECK_FUNCS(dl_iterate_phdr)
1163         AC_CHECK_FUNCS(dladdr)
1164         AC_CHECK_FUNCS(sysconf)
1165
1166         AC_CHECK_FUNCS(sched_setaffinity)
1167         AC_CHECK_FUNCS(sched_getcpu)
1168
1169         dnl ****************************************************************
1170         dnl *** Check for sched_setaffinity from glibc versions before   ***
1171         dnl *** 2.3.4. The older versions of the function only take 2    ***
1172         dnl *** parameters, not 3.                                       ***
1173         dnl ***                                                          ***
1174         dnl *** Because the interface change was not made in a minor     ***
1175         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1176         dnl *** won't always indicate the interface sched_affinity has.  ***
1177         dnl ****************************************************************
1178         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1179         AC_TRY_COMPILE([#include <sched.h>], [
1180             int mask = 1; 
1181             sched_setaffinity(0, &mask);
1182                         return 0;
1183         ], [
1184                 # Yes, we have it...
1185                 AC_MSG_RESULT(yes)
1186                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1187         ], [
1188                 # We have the new, three-parameter version
1189                 AC_MSG_RESULT(no)
1190         ])
1191
1192
1193         dnl ******************************************************************
1194         dnl *** Check for large file support                               ***
1195         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1196         dnl ******************************************************************
1197         
1198         # Check that off_t can represent 2**63 - 1 correctly, working around
1199         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1200         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1201         large_offt=no
1202         AC_DEFUN([LARGE_FILES], [
1203                 large_CPPFLAGS=$CPPFLAGS
1204                 CPPFLAGS="$CPPFLAGS $1"
1205                 AC_TRY_COMPILE([
1206                         #include <sys/types.h>
1207                         #include <limits.h>
1208                 ], [
1209                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1210                         #define COMPILE_TIME_ASSERT(pred) \
1211                                 switch(0){case 0:case pred:;}
1212                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1213                 ], [
1214                         AC_MSG_RESULT(ok)
1215                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1216                         large_CPPFLAGS="$large_CPPFLAGS $1"
1217                         large_offt=yes
1218                 ], [
1219                         AC_MSG_RESULT(no)
1220                 ])
1221                 CPPFLAGS=$large_CPPFLAGS
1222         ])
1223
1224         AC_MSG_CHECKING(if off_t is 64 bits wide)
1225         LARGE_FILES("")
1226         if test $large_offt = no; then
1227                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1228                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1229         fi
1230         if test $large_offt = no; then
1231                 AC_MSG_WARN([No 64 bit file size support available])
1232         fi
1233         
1234         dnl *****************************
1235         dnl *** Checks for libsocket  ***
1236         dnl *****************************
1237         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1238
1239         case "$host" in
1240                 *-*-*freebsd*)
1241                         dnl *****************************
1242                         dnl *** Checks for libinotify ***
1243                         dnl *****************************
1244                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1245         esac
1246
1247         dnl *******************************
1248         dnl *** Checks for MSG_NOSIGNAL ***
1249         dnl *******************************
1250         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1251         AC_TRY_COMPILE([#include <sys/socket.h>], [
1252                 int f = MSG_NOSIGNAL;
1253         ], [
1254                 # Yes, we have it...
1255                 AC_MSG_RESULT(yes)
1256                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1257         ], [
1258                 # We'll have to use signals
1259                 AC_MSG_RESULT(no)
1260         ])
1261
1262         dnl *****************************
1263         dnl *** Checks for IPPROTO_IP ***
1264         dnl *****************************
1265         AC_MSG_CHECKING(for IPPROTO_IP)
1266         AC_TRY_COMPILE([#include <netinet/in.h>], [
1267                 int level = IPPROTO_IP;
1268         ], [
1269                 # Yes, we have it...
1270                 AC_MSG_RESULT(yes)
1271                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1272         ], [
1273                 # We'll have to use getprotobyname
1274                 AC_MSG_RESULT(no)
1275         ])
1276
1277         dnl *******************************
1278         dnl *** Checks for IPPROTO_IPV6 ***
1279         dnl *******************************
1280         AC_MSG_CHECKING(for IPPROTO_IPV6)
1281         AC_TRY_COMPILE([#include <netinet/in.h>], [
1282                 int level = IPPROTO_IPV6;
1283         ], [
1284                 # Yes, we have it...
1285                 AC_MSG_RESULT(yes)
1286                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1287         ], [
1288                 # We'll have to use getprotobyname
1289                 AC_MSG_RESULT(no)
1290         ])
1291
1292         dnl ******************************
1293         dnl *** Checks for IPPROTO_TCP ***
1294         dnl ******************************
1295         AC_MSG_CHECKING(for IPPROTO_TCP)
1296         AC_TRY_COMPILE([#include <netinet/in.h>], [
1297                 int level = IPPROTO_TCP;
1298         ], [
1299                 # Yes, we have it...
1300                 AC_MSG_RESULT(yes)
1301                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1302         ], [
1303                 # We'll have to use getprotobyname
1304                 AC_MSG_RESULT(no)
1305         ])
1306
1307         dnl *****************************
1308         dnl *** Checks for SOL_IP     ***
1309         dnl *****************************
1310         AC_MSG_CHECKING(for SOL_IP)
1311         AC_TRY_COMPILE([#include <netdb.h>], [
1312                 int level = SOL_IP;
1313         ], [
1314                 # Yes, we have it...
1315                 AC_MSG_RESULT(yes)
1316                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1317         ], [
1318                 # We'll have to use getprotobyname
1319                 AC_MSG_RESULT(no)
1320         ])
1321
1322         dnl *****************************
1323         dnl *** Checks for SOL_IPV6     ***
1324         dnl *****************************
1325         AC_MSG_CHECKING(for SOL_IPV6)
1326         AC_TRY_COMPILE([#include <netdb.h>], [
1327                 int level = SOL_IPV6;
1328         ], [
1329                 # Yes, we have it...
1330                 AC_MSG_RESULT(yes)
1331                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1332         ], [
1333                 # We'll have to use getprotobyname
1334                 AC_MSG_RESULT(no)
1335         ])
1336
1337         dnl *****************************
1338         dnl *** Checks for SOL_TCP    ***
1339         dnl *****************************
1340         AC_MSG_CHECKING(for SOL_TCP)
1341         AC_TRY_COMPILE([#include <netdb.h>], [
1342                 int level = SOL_TCP;
1343         ], [
1344                 # Yes, we have it...
1345                 AC_MSG_RESULT(yes)
1346                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1347         ], [
1348                 # We'll have to use getprotobyname
1349                 AC_MSG_RESULT(no)
1350         ])
1351
1352         dnl *****************************
1353         dnl *** Checks for IP_PKTINFO ***
1354         dnl *****************************
1355         AC_MSG_CHECKING(for IP_PKTINFO)
1356         AC_TRY_COMPILE([#include <linux/in.h>], [
1357                 int level = IP_PKTINFO;
1358         ], [
1359                 # Yes, we have it...
1360                 AC_MSG_RESULT(yes)
1361                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1362         ], [
1363                 AC_MSG_RESULT(no)
1364         ])
1365
1366         dnl *****************************
1367         dnl *** Checks for IPV6_PKTINFO ***
1368         dnl *****************************
1369         AC_MSG_CHECKING(for IPV6_PKTINFO)
1370         AC_TRY_COMPILE([#include <netdb.h>], [
1371                 int level = IPV6_PKTINFO;
1372         ], [
1373                 # Yes, we have it...
1374                 AC_MSG_RESULT(yes)
1375                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1376         ], [
1377                 AC_MSG_RESULT(no)
1378         ])
1379
1380         dnl **********************************
1381         dnl *** Checks for IP_DONTFRAG     ***
1382         dnl **********************************
1383         AC_MSG_CHECKING(for IP_DONTFRAG)
1384         AC_TRY_COMPILE([#include <netinet/in.h>], [
1385                 int level = IP_DONTFRAG;
1386         ], [
1387                 # Yes, we have it...
1388                 AC_MSG_RESULT(yes)
1389                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1390         ], [
1391                 AC_MSG_RESULT(no)
1392         ])
1393
1394         dnl **********************************
1395         dnl *** Checks for IP_DONTFRAGMENT ***
1396         dnl **********************************
1397         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1398         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1399                 int level = IP_DONTFRAGMENT;
1400         ], [
1401                 # Yes, we have it...
1402                 AC_MSG_RESULT(yes)
1403                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1404         ], [
1405                 AC_MSG_RESULT(no)
1406         ])
1407
1408         dnl **********************************
1409         dnl *** Checks for IP_MTU_DISCOVER ***
1410         dnl **********************************
1411         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1412         AC_TRY_COMPILE([#include <linux/in.h>], [
1413                 int level = IP_MTU_DISCOVER;
1414         ], [
1415                 # Yes, we have it...
1416                 AC_MSG_RESULT(yes)
1417                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1418         ], [
1419                 AC_MSG_RESULT(no)
1420         ])
1421
1422         dnl **********************************
1423         dnl *** Checks for  IP_PMTUDISC_DO ***
1424         dnl **********************************
1425         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1426         AC_TRY_COMPILE([#include <linux/in.h>], [
1427                 int level = IP_PMTUDISC_DO;
1428         ], [
1429                 # Yes, we have it...
1430                 AC_MSG_RESULT(yes)
1431                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1432         ], [
1433                 AC_MSG_RESULT(no)
1434         ])
1435
1436         dnl *********************************
1437         dnl *** Check for struct ip_mreqn ***
1438         dnl *********************************
1439         AC_MSG_CHECKING(for struct ip_mreqn)
1440         AC_TRY_COMPILE([#include <netinet/in.h>], [
1441                 struct ip_mreqn mreq;
1442                 mreq.imr_address.s_addr = 0;
1443         ], [
1444                 # Yes, we have it...
1445                 AC_MSG_RESULT(yes)
1446                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1447         ], [
1448                 # We'll just have to try and use struct ip_mreq
1449                 AC_MSG_RESULT(no)
1450                 AC_MSG_CHECKING(for struct ip_mreq)
1451                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1452                         struct ip_mreq mreq;
1453                         mreq.imr_interface.s_addr = 0;
1454                 ], [
1455                         # Yes, we have it...
1456                         AC_MSG_RESULT(yes)
1457                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1458                 ], [
1459                         # No multicast support
1460                         AC_MSG_RESULT(no)
1461                 ])
1462         ])
1463         
1464         dnl **********************************
1465         dnl *** Check for gethostbyname2_r ***
1466         dnl **********************************
1467         AC_MSG_CHECKING(for gethostbyname2_r)
1468                 AC_TRY_LINK([#include <netdb.h>], [
1469                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1470         ], [
1471                 # Yes, we have it...
1472                 AC_MSG_RESULT(yes)
1473                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1474         ], [
1475                 AC_MSG_RESULT(no)
1476         ])
1477
1478         dnl *****************************
1479         dnl *** Checks for libnsl     ***
1480         dnl *****************************
1481         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1482
1483         AC_CHECK_FUNCS(inet_pton inet_aton)
1484
1485         dnl ***********************************************
1486         dnl *** Checks for size of sockaddr_un.sun_path ***
1487         dnl ***********************************************
1488         # AC_CHECK_SIZEOF can't cope with struct members :-(
1489         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1490         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1491                 [AC_TRY_RUN([
1492                         #include <sys/types.h>
1493                         #include <stdio.h>
1494                         #include <sys/un.h>
1495
1496                         int main(void) {
1497                                 struct sockaddr_un sock_un;
1498                                 FILE *f=fopen("conftestval", "w");
1499                                 if(!f) exit(1);
1500                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1501                                 exit(0);
1502                         }
1503                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1504                    mono_cv_sizeof_sunpath=0,
1505                    mono_cv_sizeof_sunpath=0)])dnl
1506         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1507         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1508
1509         dnl *****************************
1510         dnl *** Checks for libxnet    ***
1511         dnl *****************************
1512         case "${host}" in
1513                 *solaris* )
1514                         AC_MSG_CHECKING(for Solaris XPG4 support)
1515                         if test -f /usr/lib/libxnet.so; then
1516                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1517                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1518                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1519                                 LIBS="$LIBS -lxnet"
1520                                 AC_MSG_RESULT(yes)
1521                         else
1522                                 AC_MSG_RESULT(no)
1523                         fi
1524
1525                         if test "$GCC" = "yes"; then
1526                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1527                         fi
1528                 ;;
1529         esac
1530
1531         dnl *****************************
1532         dnl *** Checks for libpthread ***
1533         dnl *****************************
1534 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1535 # and libpthread does not exist
1536 #
1537         case "${host}" in
1538                 *-*-*freebsd*)
1539                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1540                 ;;
1541                 *-*-*openbsd*)
1542                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1543                 ;;
1544                 *)
1545                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1546                 ;;
1547         esac
1548         AC_CHECK_HEADERS(pthread.h)
1549         AC_CHECK_HEADERS(pthread_np.h)
1550         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1551         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1552         AC_CHECK_FUNCS(pthread_kill)
1553         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1554         AC_TRY_COMPILE([ #include <pthread.h>], [
1555                 pthread_mutexattr_t attr;
1556                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1557         ], [
1558                 AC_MSG_RESULT(ok)
1559         ], [
1560                 AC_MSG_RESULT(no)
1561                 AC_ERROR(Posix system lacks support for recursive mutexes)
1562         ])
1563         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1564         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1565         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1566
1567         dnl ***********************************
1568         dnl *** Checks for signals
1569         dnl ***********************************
1570         AC_CHECK_HEADERS(signal.h)
1571         AC_CHECK_FUNCS(sigaction)
1572
1573         dnl ***********************************
1574         dnl *** Checks for working __thread ***
1575         dnl ***********************************
1576         AC_MSG_CHECKING(for working __thread)
1577         if test "x$with_tls" != "x__thread"; then
1578                 AC_MSG_RESULT(disabled)
1579         else
1580                 AC_TRY_RUN([
1581                         #include <pthread.h>
1582                         __thread int i;
1583                         static int res1, res2;
1584
1585                         void thread_main (void *arg)
1586                         {
1587                                 i = arg;
1588                                 sleep (1);
1589                                 if (arg == 1)
1590                                         res1 = (i == arg);
1591                                 else
1592                                         res2 = (i == arg);
1593                         }
1594
1595                         int main () {
1596                                 pthread_t t1, t2;
1597
1598                                 i = 5;
1599
1600                                 pthread_create (&t1, NULL, thread_main, 1);
1601                                 pthread_create (&t2, NULL, thread_main, 2);
1602
1603                                 pthread_join (t1, NULL);
1604                                 pthread_join (t2, NULL);
1605
1606                                 return !(res1 + res2 == 2);
1607                         }
1608                 ], [
1609                                 AC_MSG_RESULT(yes)
1610                 ], [
1611                                 AC_MSG_RESULT(no)
1612                                 with_tls=pthread
1613                 ])
1614         fi
1615
1616         dnl **************************************
1617         dnl *** Checks for working sigaltstack ***
1618         dnl **************************************
1619         AC_MSG_CHECKING(for working sigaltstack)
1620         if test "x$with_sigaltstack" != "xyes"; then
1621                 AC_MSG_RESULT(disabled)
1622         else
1623                 AC_TRY_RUN([
1624                         #include <stdio.h>
1625                         #include <stdlib.h>
1626                         #include <unistd.h>
1627                         #include <signal.h>
1628                         #include <pthread.h>
1629                         #include <sys/wait.h>
1630                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1631                         #define SA_STACK SA_ONSTACK
1632                         #endif
1633                         static void
1634                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1635                         {
1636                                 exit (0);
1637                         }
1638
1639                         volatile char*__ptr = NULL;
1640                         static void *
1641                         loop (void *ignored)
1642                         {
1643                                 *__ptr = 0;
1644                                 return NULL;
1645                         }
1646
1647                         static void
1648                         child ()
1649                         {
1650                                 struct sigaction sa;
1651                         #ifdef __APPLE__
1652                                 stack_t sas;
1653                         #else
1654                                 struct sigaltstack sas;
1655                         #endif
1656                                 pthread_t id;
1657                                 pthread_attr_t attr;
1658
1659                                 sa.sa_sigaction = sigsegv_signal_handler;
1660                                 sigemptyset (&sa.sa_mask);
1661                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1662                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1663                                         perror ("sigaction");
1664                                         return;
1665                                 }
1666
1667                                 /* x86 darwin deliver segfaults using SIGBUS */
1668                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1669                                         perror ("sigaction");
1670                                         return;
1671                                 }
1672                                 sas.ss_sp = malloc (SIGSTKSZ);
1673                                 sas.ss_size = SIGSTKSZ;
1674                                 sas.ss_flags = 0;
1675                                 if (sigaltstack (&sas, NULL) == -1) {
1676                                         perror ("sigaltstack");
1677                                         return;
1678                                 }
1679
1680                                 pthread_attr_init (&attr);
1681                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1682                                         printf ("pthread_create\n");
1683                                         return;
1684                                 }
1685
1686                                 sleep (100);
1687                         }
1688
1689                         int
1690                         main ()
1691                         {
1692                                 pid_t son;
1693                                 int status;
1694                                 int i;
1695
1696                                 son = fork ();
1697                                 if (son == -1) {
1698                                         return 1;
1699                                 }
1700
1701                                 if (son == 0) {
1702                                         child ();
1703                                         return 0;
1704                                 }
1705
1706                                 for (i = 0; i < 300; ++i) {
1707                                         waitpid (son, &status, WNOHANG);
1708                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1709                                                 return 0;
1710                                         usleep (10000);
1711                                 }
1712
1713                                 kill (son, SIGKILL);
1714                                 return 1;
1715                         }
1716
1717                 ], [
1718                                 AC_MSG_RESULT(yes)
1719                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1720                 ], [
1721                                 with_sigaltstack=no
1722                                 AC_MSG_RESULT(no)
1723                 ])
1724         fi
1725
1726         dnl ********************************
1727         dnl *** Checks for semaphore lib ***
1728         dnl ********************************
1729         # 'Real Time' functions on Solaris
1730         # posix4 on Solaris 2.6
1731         # pthread (first!) on Linux
1732         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1733
1734         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1735         AC_CHECK_FUNCS(shm_open)
1736
1737         dnl ********************************
1738         dnl *** Checks for timezone stuff **
1739         dnl ********************************
1740         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1741                 AC_TRY_COMPILE([
1742                         #include <time.h>
1743                         ], [
1744                         struct tm tm;
1745                         tm.tm_gmtoff = 1;
1746                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1747         if test $ac_cv_struct_tm_gmtoff = yes; then
1748                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1749         else
1750                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1751                         AC_TRY_COMPILE([
1752                                 #include <time.h>
1753                         ], [
1754                                 timezone = 1;
1755                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1756                 if test $ac_cv_var_timezone = yes; then
1757                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1758                 else
1759                         AC_ERROR(unable to find a way to determine timezone)
1760                 fi
1761         fi
1762
1763         dnl *********************************
1764         dnl *** Checks for math functions ***
1765         dnl *********************************
1766         AC_SEARCH_LIBS(sqrtf, m)
1767         if test "x$has_broken_apple_cpp" != "xyes"; then
1768                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1769                         AC_TRY_LINK([#include <math.h>], 
1770                         [ finite(0.0); ], 
1771                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1772                         AC_MSG_RESULT(no)))
1773         fi
1774         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1775                 AC_TRY_LINK([#include <math.h>], 
1776                 [ isfinite(0.0); ], 
1777                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1778                 AC_MSG_RESULT(no)))
1779
1780         dnl ****************************************************************
1781         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1782         dnl *** have it in the library (duh))                            ***
1783         dnl ****************************************************************
1784         AC_CHECK_FUNCS(poll)
1785
1786         dnl *************************
1787         dnl *** Check for signbit ***
1788         dnl *************************
1789         AC_MSG_CHECKING(for signbit)
1790         AC_TRY_LINK([#include <math.h>], [
1791                 int s = signbit(1.0);
1792         ], [
1793                 AC_MSG_RESULT(yes)
1794                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1795         ], [
1796                 AC_MSG_RESULT(no)
1797         ]) 
1798
1799         dnl **********************************
1800         dnl *** epoll                      ***
1801         dnl **********************************
1802         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1803                 AC_CHECK_HEADERS(sys/epoll.h)
1804                 haveepoll=no
1805                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1806                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1807                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1808                 fi
1809         fi
1810
1811         havekqueue=no
1812         AC_CHECK_FUNCS(kqueue, , AC_MSG_CHECKING(for kqueue in sys/event.h)
1813                 AC_TRY_LINK([#include <sys/event.h>], 
1814                 [ kqueue(); ],[havekqueue=yes],[]))
1815
1816         dnl **************************************
1817         dnl * Darwin has a race that prevents us from using reliably:
1818         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1819         dnl * Since kqueue is mostly used for scaling large web servers, 
1820         dnl * and very few folks run Mono on large web servers on OSX, falling
1821         dnl * back 
1822         dnl **************************************
1823         if test x$havekqueue = xyes; then
1824                 if x$platform_darwin = xno; then
1825                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1826                 fi
1827         fi
1828
1829         dnl ******************************
1830         dnl *** Checks for SIOCGIFCONF ***
1831         dnl ******************************
1832         AC_CHECK_HEADERS(sys/ioctl.h)
1833         AC_CHECK_HEADERS(net/if.h, [], [],
1834            [
1835            #ifdef HAVE_SYS_TYPES_H
1836            # include <sys/types.h>
1837            #endif
1838            #ifdef HAVE_SYS_SOCKET_H
1839            # include <sys/socket.h>
1840            #endif
1841            ])
1842         AC_MSG_CHECKING(for ifreq)
1843         AC_TRY_COMPILE([
1844                 #include <stdio.h>
1845                 #include <sys/ioctl.h>
1846                 #include <net/if.h>
1847                 ], [
1848                 struct ifconf ifc;
1849                 struct ifreq *ifr;
1850                 void *x;
1851                 ifc.ifc_len = 0;
1852                 ifc.ifc_buf = NULL;
1853                 x = (void *) &ifr->ifr_addr;
1854                 ],[
1855                         AC_MSG_RESULT(yes)
1856                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1857                 ], [
1858                         AC_MSG_RESULT(no)
1859                 ])
1860         dnl **********************************
1861         dnl ***     Checks for sin_len     ***
1862         dnl **********************************
1863         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1864         AC_TRY_COMPILE([
1865                 #include <netinet/in.h>
1866                 ], [
1867                 struct sockaddr_in saddr;
1868                 saddr.sin_len = sizeof (saddr);
1869                 ],[
1870                         AC_MSG_RESULT(yes)
1871                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1872                 ], [
1873                         AC_MSG_RESULT(no)
1874                 ])      
1875         dnl **********************************
1876         dnl ***    Checks for sin6_len     ***
1877         dnl **********************************
1878         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1879         AC_TRY_COMPILE([
1880                 #include <netinet/in.h>
1881                 ], [
1882                 struct sockaddr_in6 saddr6;
1883                 saddr6.sin6_len = sizeof (saddr6);
1884                 ],[
1885                         AC_MSG_RESULT(yes)
1886                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1887                 ], [
1888                         AC_MSG_RESULT(no)
1889                 ])
1890         dnl **********************************
1891         dnl *** Check for getifaddrs       ***
1892         dnl **********************************
1893         AC_MSG_CHECKING(for getifaddrs)
1894                 AC_TRY_LINK([
1895                 #include <stdio.h>
1896                 #include <sys/types.h>
1897                 #include <sys/socket.h>
1898                 #include <ifaddrs.h>
1899         ], [
1900                 getifaddrs(NULL);
1901         ], [
1902                 # Yes, we have it...
1903                 AC_MSG_RESULT(yes)
1904                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1905         ], [
1906                 AC_MSG_RESULT(no)
1907         ])
1908         dnl **********************************
1909         dnl *** Check for if_nametoindex   ***
1910         dnl **********************************
1911         AC_MSG_CHECKING(for if_nametoindex)
1912                 AC_TRY_LINK([
1913                 #include <stdio.h>
1914                 #include <sys/types.h>
1915                 #include <sys/socket.h>
1916                 #include <net/if.h>
1917         ], [
1918                 if_nametoindex(NULL);
1919         ], [
1920                 # Yes, we have it...
1921                 AC_MSG_RESULT(yes)
1922                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1923         ], [
1924                 AC_MSG_RESULT(no)
1925         ])
1926                         
1927         dnl **********************************
1928         dnl *** Checks for MonoPosixHelper ***
1929         dnl **********************************
1930         AC_CHECK_HEADERS(checklist.h)
1931         AC_CHECK_HEADERS(pathconf.h)
1932         AC_CHECK_HEADERS(fstab.h)
1933         AC_CHECK_HEADERS(attr/xattr.h)
1934         AC_CHECK_HEADERS(sys/extattr.h)
1935         AC_CHECK_HEADERS(sys/sendfile.h)
1936         AC_CHECK_HEADERS(sys/statvfs.h)
1937         AC_CHECK_HEADERS(sys/statfs.h)
1938         AC_CHECK_HEADERS(sys/vfstab.h)
1939         AC_CHECK_HEADERS(sys/xattr.h)
1940         AC_CHECK_HEADERS(sys/mman.h)
1941         AC_CHECK_HEADERS(sys/param.h)
1942         AC_CHECK_HEADERS(sys/mount.h, [], [],
1943                 [
1944                 #ifdef HAVE_SYS_PARAM_H
1945                 # include <sys/param.h>
1946                 #endif
1947                 ])
1948         AC_CHECK_HEADERS(sys/mount.h)
1949         AC_CHECK_FUNCS(confstr)
1950         AC_CHECK_FUNCS(seekdir telldir)
1951         AC_CHECK_FUNCS(getdomainname)
1952         AC_CHECK_FUNCS(setdomainname)
1953         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1954         AC_CHECK_FUNCS(setgroups)
1955         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1956         AC_CHECK_FUNCS(getfsstat)
1957         AC_CHECK_FUNCS(lutimes futimes)
1958         AC_CHECK_FUNCS(mremap)
1959         AC_CHECK_FUNCS(remap_file_pages)
1960         AC_CHECK_FUNCS(posix_fadvise)
1961         AC_CHECK_FUNCS(posix_fallocate)
1962         AC_CHECK_FUNCS(posix_madvise)
1963         AC_CHECK_FUNCS(vsnprintf)
1964         AC_CHECK_FUNCS(sendfile)
1965         AC_CHECK_FUNCS(gethostid sethostid)
1966         AC_CHECK_FUNCS(sethostname)
1967         AC_CHECK_FUNCS(statfs)
1968         AC_CHECK_FUNCS(fstatfs)
1969         AC_CHECK_FUNCS(statvfs)
1970         AC_CHECK_FUNCS(fstatvfs)
1971         AC_CHECK_FUNCS(stime)
1972         AC_CHECK_FUNCS(strerror_r)
1973         AC_CHECK_FUNCS(ttyname_r)
1974         AC_CHECK_FUNCS(psignal)
1975         AC_CHECK_FUNCS(getlogin_r)
1976         AC_CHECK_FUNCS(lockf)
1977         AC_CHECK_FUNCS(swab)
1978         AC_CHECK_FUNCS(setusershell endusershell)
1979         AC_CHECK_FUNCS(futimens utimensat)
1980         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
1981         AC_CHECK_FUNCS(readv writev preadv pwritev)
1982         AC_CHECK_SIZEOF(size_t)
1983         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
1984                 [#include <sys/types.h>
1985                  #include <sys/stat.h>
1986                  #include <unistd.h>])
1987         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1988                 [#include <sys/types.h>
1989                  #include <sys/stat.h>
1990                  #include <unistd.h>])
1991         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1992                 [#include <sys/time.h>])
1993         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
1994                 [#include <unistd.h>
1995                  #include <fcntl.h>])
1996         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
1997                 [#include <sys/uio.h>])
1998         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1999                 [#include <sys/poll.h>])
2000         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2001                 [#include <sys/types.h>
2002                  #include <sys/stat.h>
2003                  #include <unistd.h>])
2004         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2005                 [#include <time.h>])
2006         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2007                 [#include <sys/time.h>
2008                  #include <sys/types.h>
2009                  #include <utime.h>])
2010         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2011                 [#include <sys/time.h>])
2012         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2013                 [#include <sys/types.h>
2014                  #include <utime.h>])
2015         AC_CHECK_MEMBERS(
2016                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2017                 [#include <sys/types.h>
2018                  #include <dirent.h>])
2019         AC_CHECK_MEMBERS(
2020                 [struct passwd.pw_gecos],,, 
2021                 [#include <sys/types.h>
2022                  #include <pwd.h>])
2023         AC_CHECK_MEMBERS(
2024                 [struct statfs.f_flags],,, 
2025                 [#include <sys/types.h>
2026                  #include <sys/vfs.h>])
2027         AC_CHECK_MEMBERS(
2028                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2029                 [#include <sys/types.h>
2030                  #include <sys/stat.h>
2031                  #include <unistd.h>])
2032
2033         dnl Favour xattr through glibc, but use libattr if we have to
2034         AC_CHECK_FUNC(lsetxattr, ,
2035                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2036         )
2037         AC_SUBST(XATTR_LIB)
2038
2039         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2040         AC_CHECK_MEMBERS(
2041                 [struct kinfo_proc.kp_proc],,, 
2042                 [#include <sys/types.h>
2043                  #include <sys/param.h>
2044                  #include <sys/sysctl.h>
2045                  #include <sys/proc.h>
2046                  ])
2047
2048         dnl *********************************
2049         dnl *** Checks for Windows compilation ***
2050         dnl *********************************
2051         AC_CHECK_HEADERS(sys/time.h)
2052         AC_CHECK_HEADERS(sys/param.h)
2053         AC_CHECK_HEADERS(dirent.h)
2054
2055         dnl ******************************************
2056         dnl *** Checks for OSX and iOS compilation ***
2057         dnl ******************************************
2058         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2059
2060         dnl *********************************
2061         dnl *** Check for Console 2.0 I/O ***
2062         dnl *********************************
2063         AC_CHECK_HEADERS([curses.h])
2064         AC_CHECK_HEADERS([term.h], [], [],
2065         [#if HAVE_CURSES_H
2066          #include <curses.h>
2067          #endif
2068         ])
2069         AC_CHECK_HEADERS([termios.h])
2070
2071         dnl * This is provided in io-layer, but on windows it's only available
2072         dnl * on xp+
2073         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2074 else
2075         dnl *********************************
2076         dnl *** Checks for Windows compilation ***
2077         dnl *********************************
2078         AC_CHECK_HEADERS(winternl.h)
2079
2080         jdk_headers_found=no
2081         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2082         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2083         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2084         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2085         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2086         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2087         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2088
2089         dnl *********************************
2090         dnl *** Check for struct ip_mreqn ***
2091         dnl *********************************
2092         AC_MSG_CHECKING(for struct ip_mreqn)
2093         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2094                 struct ip_mreqn mreq;
2095                 mreq.imr_address.s_addr = 0;
2096         ], [
2097                 # Yes, we have it...
2098                 AC_MSG_RESULT(yes)
2099                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2100         ], [
2101                 # We'll just have to try and use struct ip_mreq
2102                 AC_MSG_RESULT(no)
2103                 AC_MSG_CHECKING(for struct ip_mreq)
2104                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2105                         struct ip_mreq mreq;
2106                         mreq.imr_interface.s_addr = 0;
2107                 ], [
2108                         # Yes, we have it...
2109                         AC_MSG_RESULT(yes)
2110                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2111                 ], [
2112                         # No multicast support
2113                         AC_MSG_RESULT(no)
2114                 ])
2115         ])
2116         AC_CHECK_FUNCS(GetProcessId)
2117 fi
2118
2119 dnl socklen_t check
2120 AC_MSG_CHECKING(for socklen_t)
2121 AC_TRY_COMPILE([
2122 #include <sys/types.h>
2123 #include <sys/socket.h>
2124 ],[
2125   socklen_t foo;
2126 ],[
2127 ac_cv_c_socklen_t=yes
2128         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2129         AC_MSG_RESULT(yes)
2130 ],[
2131         AC_MSG_RESULT(no)
2132 ])
2133
2134 AC_MSG_CHECKING(for array element initializer support)
2135 AC_TRY_COMPILE([#include <sys/socket.h>], [
2136         const int array[] = {[1] = 2,};
2137 ], [
2138         # Yes, we have it...
2139         AC_MSG_RESULT(yes)
2140         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2141 ], [
2142         # We'll have to use signals
2143         AC_MSG_RESULT(no)
2144 ])
2145
2146 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2147         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2148         AC_TRY_LINK([#include <math.h>], 
2149         [ static void *p = &trunc; ],
2150         [
2151                 AC_DEFINE(HAVE_TRUNC) 
2152                 AC_MSG_RESULT(yes)
2153                 ac_cv_trunc=yes
2154         ],
2155         AC_MSG_RESULT(no)))
2156
2157 if test "x$ac_cv_truncl" != "xyes"; then
2158    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2159 fi
2160
2161 AC_CHECK_FUNCS(round)
2162 AC_CHECK_FUNCS(rint)
2163 AC_CHECK_FUNCS(execvp)
2164
2165 dnl ****************************
2166 dnl *** Look for /dev/random ***
2167 dnl ****************************
2168
2169 AC_MSG_CHECKING([if usage of random device is requested])
2170 AC_ARG_ENABLE(dev-random,
2171 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2172 try_dev_random=$enableval, try_dev_random=yes)
2173
2174 AC_MSG_RESULT($try_dev_random)
2175
2176 case "{$build}" in
2177     *-openbsd*)
2178     NAME_DEV_RANDOM="/dev/srandom"
2179     ;;
2180
2181 dnl Win32 does not have /dev/random, they have their own method...
2182
2183     *-mingw*|*-*-cygwin*)
2184     ac_cv_have_dev_random=no
2185     ;;
2186
2187 dnl Everywhere else, it's /dev/random
2188
2189     *)
2190     NAME_DEV_RANDOM="/dev/random"
2191     ;;
2192 esac
2193
2194 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2195
2196 dnl Now check if the device actually exists
2197
2198 if test "x$try_dev_random" = "xyes"; then
2199     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2200     [if test -r "$NAME_DEV_RANDOM" ; then
2201         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2202     if test "x$ac_cv_have_dev_random" = "xyes"; then
2203         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2204     fi
2205 else
2206     AC_MSG_CHECKING(for random device)
2207     ac_cv_have_dev_random=no
2208     AC_MSG_RESULT(has been disabled)
2209 fi
2210
2211 if test "x$host_win32" = "xyes"; then
2212     AC_DEFINE(HAVE_CRYPT_RNG)
2213 fi
2214
2215 if test "x$ac_cv_have_dev_random" = "xno" \
2216     && test "x$host_win32" = "xno"; then
2217     AC_MSG_WARN([[
2218 ***
2219 *** A system-provided entropy source was not found on this system.
2220 *** Because of this, the System.Security.Cryptography random number generator
2221 *** will throw a NotImplemented exception.
2222 ***
2223 *** If you are seeing this message, and you know your system DOES have an
2224 *** entropy collection in place, please contact <crichton@gimp.org> and
2225 *** provide information about the system and how to access the random device.
2226 ***
2227 *** Otherwise you can install either egd or prngd and set the environment
2228 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2229 ***]])
2230 fi
2231  
2232 AC_MSG_CHECKING([if inter-process shared handles are requested])
2233 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2234 AC_MSG_RESULT($try_shared_handles)
2235 if test "x$try_shared_handles" != "xyes"; then
2236         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2237         AC_SUBST(DISABLE_SHARED_HANDLES)
2238 fi
2239
2240 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2241
2242 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2243 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2244
2245 AC_MSG_CHECKING([if big-arrays are to be enabled])
2246 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2247 if test "x$enable_big_arrays" = "xyes" ; then
2248     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2249         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2250     else
2251         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2252     fi
2253 fi
2254 AC_MSG_RESULT($enable_big_arrays)
2255
2256 dnl **************
2257 dnl *** DTRACE ***
2258 dnl **************
2259
2260 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2261
2262 if test "x$enable_dtrace" = "xyes"; then
2263    if test "x$has_dtrace" = "xno"; then
2264           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2265    fi
2266    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2267    if test "x$DTRACE" = "xno"; then
2268           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2269           enable_dtrace=no
2270    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2271           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2272           enable_dtrace=no
2273    fi
2274 fi
2275
2276 dtrace_g=no
2277 if test "x$enable_dtrace" = "xyes"; then
2278         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2279         DTRACEFLAGS=
2280         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2281                 case "$host" in
2282                         powerpc-*-darwin*)
2283                         DTRACEFLAGS="-arch ppc64"
2284                         ;;
2285                         i*86-*-darwin*)
2286                         DTRACEFLAGS="-arch x86_64"
2287                         ;;
2288                         *)
2289                         DTRACEFLAGS=-64
2290                         ;;
2291                 esac
2292         else
2293                 case "$host" in
2294                         powerpc-*-darwin*)
2295                         DTRACEFLAGS="-arch ppc"
2296                         ;;
2297                         i*86-*-darwin*)
2298                         DTRACEFLAGS="-arch i386"
2299                         ;;
2300                         *)
2301                         DTRACEFLAGS=-32
2302                         ;;
2303                 esac
2304         fi
2305         AC_SUBST(DTRACEFLAGS)
2306         case "$host" in
2307                 *-*-solaris*)
2308                 dtrace_g=yes
2309                 ;;
2310         esac
2311         AC_CHECK_HEADERS([sys/sdt.h])
2312 fi
2313 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2314 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2315
2316 dnl **************
2317 dnl ***  NaCl  ***
2318 dnl **************
2319
2320 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2321 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2322
2323 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2324
2325 dnl
2326 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2327 dnl
2328 nacl_self_host=""
2329 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2330    nacl_self_host="nacl_self_host"
2331 fi
2332 AC_SUBST(nacl_self_host)
2333
2334 if test "x$enable_nacl_codegen" = "xyes"; then
2335    MONO_NACL_ALIGN_MASK_OFF=1
2336    AC_DEFINE(TARGET_NACL, 1, [...])
2337    AC_DEFINE(__native_client_codegen__, 1, [...])
2338 else
2339    MONO_NACL_ALIGN_MASK_OFF=0
2340    AC_DEFINE(__default_codegen__, 1, [...])
2341 fi
2342 if test "x$enable_nacl_gc" = "xyes"; then
2343    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2344       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2345    else
2346       # Not yet implemented
2347       INSTRUMENT_CFLAG=""
2348    fi
2349    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2350 fi
2351 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2352
2353 dnl **************
2354 dnl ***  LLVM  ***
2355 dnl **************
2356
2357 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2358 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2359
2360 if test "x$enable_llvm" = "xyes"; then
2361    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2362    if test "x$LLVM_CONFIG" = "xno"; then
2363           AC_MSG_ERROR([llvm-config not found.])
2364    fi
2365
2366    llvm_codegen="x86codegen"
2367    case "$target" in
2368    arm*)
2369                 llvm_codegen="armcodegen"
2370                 ;;
2371    esac
2372
2373
2374    # The output of --cflags seems to include optimizations flags too
2375    LLVM_CFLAGS=`$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'`
2376    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2377    # from LLVM classes.
2378    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2379    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2380    LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2381    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2382
2383    # Should be something like '2.6' or '2.7svn'
2384    llvm_version=`$LLVM_CONFIG --version`
2385    major_version=`echo $llvm_version | cut -c 1`
2386    minor_version=`echo $llvm_version | cut -c 3`
2387    AC_MSG_CHECKING(LLVM version)
2388    AC_MSG_RESULT($llvm_version)
2389    if echo $llvm_version | grep -q 'mono'; then
2390           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2391           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"       
2392    else
2393           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.])
2394    fi
2395
2396    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2397    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2398    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2399
2400    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2401    # llvm's config.h
2402    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2403
2404    AC_SUBST(LLVM_CFLAGS)
2405    AC_SUBST(LLVM_CXXFLAGS)
2406    AC_SUBST(LLVM_LIBS)
2407    AC_SUBST(LLVM_LDFLAGS)
2408    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2409 fi
2410
2411 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2412 if test "x$enable_loadedllvm" = "xyes"; then
2413    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2414 fi
2415 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2416
2417 TARGET="unknown"
2418 ACCESS_UNALIGNED="yes"
2419
2420 JIT_SUPPORTED=no
2421 INTERP_SUPPORTED=no
2422 LIBC="libc.so.6"
2423 INTL="libc.so.6"
2424 SQLITE="libsqlite.so.0"
2425 SQLITE3="libsqlite3.so.0"
2426 X11="libX11.so"
2427
2428 sizeof_register="SIZEOF_VOID_P"
2429
2430 jit_wanted=true
2431 interp_wanted=false
2432 sgen_supported=false
2433 case "$host" in
2434 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
2435 #               TARGET=MIPS;
2436 #               ACCESS_UNALIGNED="no"
2437 #               ;;
2438         mips*)
2439                 TARGET=MIPS;
2440                 arch_target=mips;
2441                 sgen_supported=true
2442                 ACCESS_UNALIGNED="no"
2443                 JIT_SUPPORTED=yes
2444
2445                 AC_MSG_CHECKING(for mips n32)
2446                 AC_TRY_COMPILE([],[
2447                 #if _MIPS_SIM != _ABIN32
2448                 #error Not mips n32
2449                 #endif
2450                 return 0;
2451                 ],[
2452                 AC_MSG_RESULT(yes)
2453                 sizeof_register=8
2454                 ],[
2455                 AC_MSG_RESULT(no)
2456                 ])
2457                 ;;
2458         i*86-*-*)
2459                 TARGET=X86;
2460                 arch_target=x86;
2461                 JIT_SUPPORTED=yes
2462                 case $host_os in
2463                   solaris*)
2464                         LIBC="libc.so"
2465                         INTL="libintl.so"
2466                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2467                                 TARGET=AMD64
2468                                 arch_target=amd64
2469                         fi
2470
2471                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2472                         # int astruct __attribute__ ((visibility ("hidden")));
2473                         # void foo ()
2474                         # {
2475                         #       void *p = &astruct;
2476                         # }
2477                         # gcc -fPIC --shared -o libfoo.so foo.c
2478                         # yields:
2479                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2480                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2481                         have_visibility_hidden=no
2482                         sgen_supported=true
2483                         ;;
2484                   cygwin*)
2485                         sgen_supported=true
2486                         have_visibility_hidden=no                 
2487                         ;;
2488                   haiku*)
2489                         LIBC=libroot.so
2490                         ;;
2491                   linux*)
2492                         sgen_supported=true
2493                         AOT_SUPPORTED="yes"
2494                         ;;
2495                   darwin*)
2496                         sgen_supported=true
2497                         AOT_SUPPORTED="yes"
2498                         ;;
2499                   darwin*|openbsd*|freebsd*)
2500                         sgen_supported=true
2501                         ;;
2502                 esac
2503                 ;;
2504         x86_64-*-* | amd64-*-*)
2505                 TARGET=AMD64;
2506                 arch_target=amd64;
2507                 JIT_SUPPORTED=yes
2508                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2509                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2510                         sizeof_register=8
2511                 fi
2512                 case $host_os in
2513                   linux*)
2514                         sgen_supported=true
2515                         AOT_SUPPORTED="yes"
2516                         ;;
2517                   darwin*|openbsd*|freebsd*)
2518                         sgen_supported=true
2519                         ;;
2520                 esac
2521                 case "$host" in
2522                         x86_64-*-nacl*)
2523                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2524                                 sizeof_register=8
2525                                 ;;
2526                 esac
2527                 ;;
2528         ia64-*-*)
2529                 TARGET=IA64
2530                 arch_target=ia64
2531                 ACCESS_UNALIGNED="no"
2532                 JIT_SUPPORTED=yes
2533                 LIBC="libc.so.6.1"
2534                 INTL="libc.so.6.1"
2535                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2536                 libmono_ldflags="-lunwind"
2537                 ;;
2538         sparc*-*-*)
2539                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2540                    TARGET=SPARC64
2541                 else
2542                         TARGET=SPARC
2543                 fi
2544                 arch_target=sparc;
2545                 JIT_SUPPORTED=yes
2546                 ACCESS_UNALIGNED="no"
2547                 case $host_os in
2548                   linux*) ;;
2549                   *)
2550                         LIBC="libc.so"
2551                         INTL="libintl.so"
2552                 esac
2553                 if test x"$GCC" = xyes; then
2554                         # We don't support v8 cpus
2555                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2556                 fi
2557                 if test x"$AR" = xfalse; then
2558                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2559                 fi
2560                 sgen_supported=true
2561                 ;;
2562         *-mingw*|*-*-cygwin*)
2563                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2564                 have_visibility_hidden=no
2565                 INTL="intl"
2566                 ;;
2567         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2568         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2569                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2570                         TARGET=POWERPC64;
2571                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2572                         CFLAGS="$CFLAGS -mminimal-toc"
2573                 else
2574                         TARGET=POWERPC;
2575                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2576                 fi
2577                 arch_target=ppc;
2578                 JIT_SUPPORTED=yes
2579                 case $host_os in
2580                   linux*|darwin*)
2581                         sgen_supported=true
2582                         ;;
2583                 esac
2584                 ;;
2585         arm*-darwin*)
2586                 TARGET=ARM;
2587                 arch_target=arm;
2588                 ACCESS_UNALIGNED="no"
2589                 JIT_SUPPORTED=yes
2590                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__ -DHAVE_ARMV6=1"
2591                 # libgc's gc_locks.h depends on this
2592             CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6"
2593                 sgen_supported=true
2594                 ;;
2595         arm*-linux*)
2596                 TARGET=ARM;
2597                 arch_target=arm;
2598                 ACCESS_UNALIGNED="no"
2599                 JIT_SUPPORTED=yes
2600                 sgen_supported=true
2601                 AOT_SUPPORTED="yes"
2602                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2603                 ;;
2604 # TODO: make proper support for NaCl host.
2605 #        arm*-*nacl)
2606 #               TARGET=ARM;
2607 #               arch_target=arm;
2608 #               ACCESS_UNALIGNED="no"
2609 #               JIT_SUPPORTED=yes
2610 #               sgen_supported=true
2611 #               AOT_SUPPORTED="no"
2612 #               ;;
2613         s390x-*-linux*)
2614                 TARGET=S390x;
2615                 arch_target=s390x;
2616                 ACCESS_UNALIGNED="yes"
2617                 JIT_SUPPORTED=yes
2618                 sgen_supported=true
2619                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2620                 ;;
2621 esac
2622
2623 HOST=$TARGET
2624
2625 if test "x$host" != "x$target"; then
2626    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2627    enable_mcs_build=no
2628    case "$target" in
2629    arm*-darwin*)
2630                 TARGET=ARM;
2631                 arch_target=arm;
2632                 ACCESS_UNALIGNED="no"
2633                 JIT_SUPPORTED=yes
2634                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__ -DHAVE_ARMV6=1"
2635                 jit_wanted=true
2636                 # Can't use tls, since it depends on the runtime detection of tls offsets
2637                 # in mono-compiler.h
2638                 with_tls=pthread
2639                 ;;
2640    powerpc64-ps3-linux-gnu)
2641                 TARGET=POWERPC64
2642                 arch_target=powerpc64
2643                 AC_DEFINE(TARGET_PS3, 1, [...])
2644                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2645                 # uses this define
2646                 AC_DEFINE(__mono_ppc64__, 1, [...])
2647                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2648                 sizeof_register=8
2649                 target_byte_order=G_BIG_ENDIAN
2650                 ;;
2651
2652    powerpc64-xbox360-linux-gnu)
2653                 TARGET=POWERPC64
2654                 arch_target=powerpc64
2655                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2656                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2657                 # uses this define
2658                 sizeof_register=8
2659                 target_byte_order=G_BIG_ENDIAN
2660                 ;;
2661    x86_64-*-nacl)
2662                 TARGET=AMD64
2663                 arch_target=amd64
2664                 AC_DEFINE(TARGET_AMD64, 1, [...])
2665                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2666                 sizeof_register=8
2667                 ;;
2668 # TODO: make proper support for NaCl target.
2669 #   arm*-*nacl)
2670 #               TARGET=ARM
2671 #               arch_target=arm
2672 #               AC_DEFINE(TARGET_ARM, 1, [...])
2673 #               ACCESS_UNALIGNED="no"
2674 #               JIT_SUPPORTED=yes
2675 #               sizeof_register=4
2676 #               CPPFLAGS="$CPPFLAGS \
2677 #                    -D__ARM_EABI__ \
2678 #                    -D__arm__ \
2679 #                    -D__portable_native_client__ \
2680 #                    -Dtimezone=_timezone \
2681 #                    -DDISABLE_SOCKETS \
2682 #                    -DDISABLE_ATTACH \
2683 #                    -DUSE_NEWLIB"
2684 #               jit_wanted=true
2685                 # Can't use tls, since it depends on the runtime detection of tls offsets
2686                 # in mono-compiler.h
2687 #               with_tls=pthread
2688 #               ;;
2689    i686-*-nacl)
2690                 TARGET=X86
2691                 arch_target=x86
2692                 AC_DEFINE(TARGET_X86, 1, [...])
2693                 sizeof_register=4
2694                 ;;
2695    arm*-linux-*)
2696                 TARGET=ARM;
2697                 arch_target=arm;
2698                 AC_DEFINE(TARGET_ARM, 1, [...])
2699                 ACCESS_UNALIGNED="no"
2700                 JIT_SUPPORTED=yes
2701                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2702                 jit_wanted=true
2703                 # Can't use tls, since it depends on the runtime detection of tls offsets
2704                 # in mono-compiler.h
2705                 with_tls=pthread
2706                 target_mach=no
2707                 case "$target" in
2708                 armv7l-unknown-linux-gnueabi*)
2709                         # TEGRA
2710                         CPPFLAGS="$CPPFLAGS"
2711                         ;;
2712                 armv5-*-linux-androideabi*)
2713                         AC_DEFINE(TARGET_ANDROID, 1, [...])
2714                         CPPFLAGS="$CPPFLAGS"
2715                         ;;
2716                 esac
2717                 ;;
2718         *)
2719                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2720         esac
2721 fi
2722
2723 # FIXME: Define the others as well
2724 case "$TARGET" in
2725 X86)
2726         AC_DEFINE(TARGET_X86, 1, [...])
2727         ;;
2728 AMD64)
2729         AC_DEFINE(TARGET_AMD64, 1, [...])
2730         ;;
2731 ARM)
2732         AC_DEFINE(TARGET_ARM, 1, [...])
2733         ;;
2734 POWERPC)
2735         AC_DEFINE(TARGET_POWERPC, 1, [...])
2736         ;;
2737 POWERPC64)
2738         AC_DEFINE(TARGET_POWERPC, 1, [...])
2739         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2740         ;;
2741 S390x)
2742         AC_DEFINE(TARGET_S390X, 1, [...])
2743         ;;
2744 MIPS)
2745         AC_DEFINE(TARGET_MIPS, 1, [...])
2746         ;;
2747 esac
2748
2749 if test "x$target_mach" = "xyes"; then
2750    if test "x$TARGET" = "xARM"; then
2751           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2752           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2753           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2754    else
2755        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2756        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2757        #error fail this for ios
2758        #endif
2759        return 0;
2760        ], [
2761                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2762           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2763           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2764        ], [
2765           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2766           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2767           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2768        ])
2769         fi
2770    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2771 fi
2772
2773 if test "x$sizeof_register" = "x4"; then
2774    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2775 elif test "x$sizeof_register" = "x8"; then
2776    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2777 else
2778    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2779 fi
2780
2781 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2782    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2783 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2784    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2785 else
2786    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2787 fi
2788
2789 if test "x$have_visibility_hidden" = "xyes"; then
2790    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2791 fi
2792
2793 if test "x$have_deprecated" = "xyes"; then
2794    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2795 fi
2796
2797 dnl 
2798 dnl Simple Generational checks (sgen)
2799 dnl
2800 if $sgen_supported; then
2801    build_sgen_default=yes
2802 else
2803    build_sgen_default=no
2804 fi
2805 SGEN_DEFINES=
2806 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2807 if test x$buildsgen = xyes; then
2808    if $sgen_supported; then
2809        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2810        gc_msg="sgen and $gc_msg"
2811    else
2812        buildsgen=no
2813        AC_MSG_WARN("Sgen is not supported on this platform")
2814    fi
2815 fi
2816 AC_SUBST(SGEN_DEFINES)
2817 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2818
2819 USEJIT=false
2820 if test x$JIT_SUPPORTED = xyes; then
2821    if $jit_wanted; then
2822       USEJIT=true
2823       jit_status="Building and using the JIT"
2824    else
2825       if $interp_wanted; then
2826          jit_status="Building the JIT, defaulting to the interpreter"
2827       else
2828          AC_ERROR(No JIT or interpreter support available or selected.)
2829       fi
2830    fi
2831 else
2832    if test x$interp_wanted = xtrue; then
2833       jit_status="interpreter"
2834    else
2835       AC_ERROR(No JIT or interpreter support available or selected.)
2836    fi
2837 fi
2838
2839 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2840
2841 libsuffix=".so"
2842
2843 case "$host" in
2844      *-*-darwin*)
2845         libsuffix=".dylib"
2846         LIBC="libc.dylib"
2847         INTL="libintl.dylib"
2848         SQLITE="libsqlite.0.dylib"
2849         SQLITE3="libsqlite3.0.dylib"
2850         X11="libX11.dylib"
2851         ;;
2852      *-*-*netbsd*)
2853         LIBC="libc.so.12"
2854         INTL="libintl.so.0"
2855         ;;
2856     *-*-*freebsd*)
2857         LIBC="libc.so"
2858         INTL="libintl.so"
2859         SQLITE="libsqlite.so"
2860         SQLITE3="libsqlite3.so"
2861         ;;
2862     *-*-*openbsd*)
2863         LIBC="libc.so"
2864         INTL="libintl.so"
2865         SQLITE="libsqlite.so"
2866         SQLITE3="libsqlite3.so"
2867         ;;
2868     *-*-*linux*)
2869         AC_PATH_X
2870         AC_MSG_CHECKING(for the soname of libX11.so)
2871         for i in $x_libraries /usr/lib /usr/lib64; do
2872                 for r in 4 5 6; do
2873                         if test -f $i/libX11.so.$r; then
2874                                 X11=libX11.so.$r
2875                                 AC_MSG_RESULT($X11)
2876                         fi
2877                 done
2878         done
2879         
2880         if test "x$X11" = "xlibX11.so"; then
2881                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2882                 X11=libX11.so.6
2883         fi
2884         ;;
2885 esac
2886
2887
2888 AC_SUBST(libsuffix)
2889
2890 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2891         if test "x$with_tls" = "x__thread"; then
2892                 #
2893                 # On some linux distributions, TLS works in executables, but linking 
2894                 # against a shared library containing TLS fails with:
2895                 # undefined reference to `__tls_get_addr'
2896                 #
2897                 rm -f conftest.c conftest.so conftest
2898                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
2899                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2900                 $CC -o conftest conftest.so > /dev/null 2>&1
2901                 if test ! -f conftest; then
2902                    AC_MSG_WARN([Disabling usage of __thread.]);
2903                    with_tls=pthread
2904                 fi
2905                 rm -f conftest.c conftest.so conftest
2906         fi
2907 fi
2908
2909 mono_debugger_supported=no
2910 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
2911 if test "x$try_mono_debugger" = "xyes"; then
2912         if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xS390x"; then
2913                 if test x$use_included_gc = xyes; then
2914                         case "$host" in
2915                         *-*-*linux*)
2916                                 mono_debugger_supported=yes
2917                                 ;;
2918                         *86-apple-darwin*)
2919                                 mono_debugger_supported=yes
2920                                 ;;              
2921                         esac
2922                 fi
2923         fi
2924 fi
2925
2926 # disable the debugger entirely when building with moonlight
2927 if test "x$with_moonlight" != "xno"; then
2928         mono_debugger_supported=no
2929 fi
2930
2931 # mdb support for sgen is broken, disable it until further notice.
2932 mono_debugger_supported=no
2933
2934 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2935 if test "x$mono_debugger_supported" = "xyes"; then
2936         BOEHM_DEFINES="$BOEHM_DEFINES -DMONO_DEBUGGER_SUPPORTED"
2937         CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DMONO_DEBUGGER_SUPPORTED"
2938 fi
2939 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2940 AC_MSG_RESULT($mono_debugger_supported)
2941
2942 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
2943 if test "x$icall_symbol_map" = "xyes"; then
2944    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
2945 fi
2946
2947 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
2948 if test "x$icall_export" = "xyes"; then
2949    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
2950 fi
2951
2952 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
2953 if test "x$icall_tables" = "xno"; then
2954    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
2955 fi
2956
2957 if test "x$mono_cv_clang" = "xyes"; then
2958    # FIXME: This causes many compilation errors
2959    with_tls=pthread
2960 fi
2961
2962 if test "x$with_tls" = "x__thread"; then
2963         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2964         # Pass the information to libgc
2965         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2966         AC_MSG_CHECKING(if the tls_model attribute is supported)
2967         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2968                 ], [
2969                         AC_MSG_RESULT(yes)
2970                         # CLANG doesn't support this yet, and it prints warnings about it
2971                         if test "x$mono_cv_clang" = "xno"; then
2972                                 AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
2973                         fi
2974                 ], [
2975                         AC_MSG_RESULT(no)
2976         ])
2977 fi
2978
2979 if test ${TARGET} = ARM; then
2980         dnl ******************************************
2981         dnl *** Check to see what FPU is available ***
2982         dnl ******************************************
2983         AC_MSG_CHECKING(which FPU to use)
2984
2985         #
2986         # This is a bit tricky:
2987         #
2988         # if (__ARM_PCS_VFP) {
2989         #       /* mfloat-abi=hard == VFP with hard ABI */
2990         # } elif (!__SOFTFP__) {
2991         #       /* mfloat-abi=softfp == VFP with soft ABI */
2992         # } else {
2993         #       /* mfloat-abi=soft == no VFP */
2994         # }
2995         #
2996         # The exception is iOS (w/ GCC) where none of the above
2997         # are defined (but iOS always uses the 'softfp' ABI).
2998         #
2999         # No support for FPA.
3000         #
3001
3002         fpu=NONE
3003
3004         # iOS GCC always uses the 'softfp' ABI.
3005         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3006                 fpu=VFP
3007         fi
3008
3009         # Are we using the 'hard' ABI?
3010         if test x$fpu = xNONE; then
3011                 AC_TRY_COMPILE([], [
3012                         #ifndef __ARM_PCS_VFP
3013                         #error "Float ABI is not 'hard'"
3014                         #endif
3015                         return 0;
3016                 ], [
3017                         fpu=VFP_HARD
3018                 ], [
3019                         fpu=NONE
3020                 ])
3021         fi
3022
3023         # No 'hard' ABI. 'soft' or 'softfp'?
3024         if test x$fpu = xNONE; then
3025                 AC_TRY_COMPILE([], [
3026                         #ifdef __SOFTFP__
3027                         #error "Float ABI is not 'softfp'"
3028                         #endif
3029                         return 0;
3030                 ], [
3031                         fpu=VFP
3032                 ], [
3033                         fpu=NONE
3034                 ])
3035         fi
3036
3037         AC_MSG_RESULT($fpu)
3038         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3039         unset fpu
3040
3041         if test x$cross_compiling = xno; then
3042                 AC_MSG_CHECKING(for ARMV6)
3043                 AC_TRY_RUN([
3044                         int main () { __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : "memory"); return 0; }
3045                                 ], armv6=yes, armv6=no)
3046
3047                 AC_MSG_RESULT($armv6)
3048                 if test ${armv6} = yes; then
3049                    AC_DEFINE(HAVE_ARMV6, 1, "Host supports ARMV6 instructions")
3050                    # libgc's gc_locks.h depends on this
3051                    CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6"
3052                 fi
3053         fi
3054 fi
3055
3056 if test ${TARGET} = ARM; then
3057         if test "x${with_jumptables}" = "xyes"; then
3058                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3059         fi
3060 fi
3061
3062 if test ${TARGET} = unknown; then
3063         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3064         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3065 fi
3066
3067 if test ${ACCESS_UNALIGNED} = no; then
3068         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3069 fi
3070
3071 case "x$gc" in
3072         xincluded)
3073                 # Pass CPPFLAGS to libgc configure
3074                 # We should use a separate variable for this to avoid passing useless and
3075                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3076                 # This should be executed late so we pick up the final version of CPPFLAGS
3077                 # The problem with this approach, is that during a reconfigure, the main
3078                 # configure scripts gets invoked with these arguments, so we use separate
3079                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3080                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3081                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3082                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3083                 fi
3084                 # Don't pass -finstrument-for-thread-suspension in, 
3085                 # if these are instrumented it will be very bad news 
3086                 # (infinite recursion, undefined parking behavior, etc)
3087                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3088                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3089                 AC_CONFIG_SUBDIRS(libgc)
3090                 ;;
3091 esac
3092
3093 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
3094 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
3095 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
3096 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3097 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3098 AC_ARG_WITH(mobile,    [  --with-mobile=yes,no            If you want to build the Mobile assemblies (defaults to no)],        [], [with_mobile=no])
3099
3100 OPROFILE=no
3101 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3102         if test x$with_oprofile != xno; then
3103             oprofile_include=$with_oprofile/include
3104             if test ! -f $oprofile_include/opagent.h; then
3105                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3106                 fi
3107             OPROFILE=yes
3108                 OPROFILE_CFLAGS="-I$oprofile_include"
3109             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3110             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3111         fi
3112 ])
3113
3114 MALLOC_MEMPOOLS=no
3115 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3116         if test x$with_malloc_mempools = xyes; then
3117                 MALLOC_MEMPOOLS=yes
3118                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3119         fi
3120 ])
3121
3122
3123 DISABLE_MCS_DOCS=no
3124 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3125         if test x$with_mcs_docs != xyes; then
3126                 DISABLE_MCS_DOCS=yes
3127         fi
3128 ])
3129 if test x$with_profile4 != xyes; then
3130         DISABLE_MCS_DOCS=yes
3131 fi
3132
3133 MOONLIGHT_DEFINES=
3134 AC_ARG_WITH(moonlight, [  --with-moonlight=yes|no|only         If you want to build Mono for Moonlight (defaults to no)],[
3135         if test x$with_moonlight != xno; then
3136         MOONLIGHT_DEFINES="-DMOONLIGHT -DDISABLE_ASSEMBLY_REMAPPING "
3137         fi
3138 ], [with_moonlight=no])
3139 AC_SUBST(MOONLIGHT_DEFINES)
3140
3141 AC_ARG_WITH(moon_gc, [  --with-moon-gc=boehm,sgen               Select the gc to use with Moonlight (defaults to boehm)],[
3142         if test "x$with_moon_gc" != "xsgen"; then
3143                 with_moon_gc=boehm
3144         fi
3145 ], [with_moon_gc=boehm])
3146
3147 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)],[
3148         if test x$with_lazy_gc_thread_creation != xno ; then
3149                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3150         fi
3151 ], [with_lazy_gc_thread_creation=no])
3152
3153 AC_CHECK_HEADER([malloc.h], 
3154                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3155                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3156
3157 if test x"$GCC" = xyes; then
3158         # Implicit function declarations are not 64 bit safe
3159         # Do this late, since this causes lots of configure tests to fail
3160         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3161         # jay has a lot of implicit declarations
3162         JAY_CFLAGS="-Wno-implicit-function-declaration"
3163 fi
3164
3165 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3166 # instead of libmono-static.a
3167 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3168    LIBMONO_LA=libmini-static.la
3169 else
3170    LIBMONO_LA=libmono-$API_VER.la
3171 fi
3172 AC_SUBST(LIBMONO_LA)
3173
3174 dnl
3175 dnl Consistency settings
3176 dnl
3177 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3178    DISABLE_MCS_DOCS=yes
3179    with_profile2=no
3180    with_profile4=no
3181    with_profile4_5=no
3182    with_monodroid=no
3183    with_monotouch=no
3184 fi
3185
3186 if test x$DISABLE_MCS_DOCS = xyes; then
3187    docs_dir=""
3188 else
3189    docs_dir=docs
3190 fi
3191 AC_SUBST(docs_dir)
3192
3193 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3194 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3195
3196 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3197 AC_SUBST(OPROFILE_CFLAGS)
3198 AC_SUBST(OPROFILE_LIBS)
3199
3200 libmono_ldflags="$libmono_ldflags $LIBS"
3201
3202 AM_CONDITIONAL(MOONLIGHT, [test "x$with_moonlight" != "xno"])
3203
3204 AM_CONDITIONAL(ONLY_MOONLIGHT, [test "x$with_moonlight" = "xonly"])
3205 AM_CONDITIONAL(MOONLIGHT_BOEHM, [test "x$with_moon_gc" = "xboehm"])
3206 AM_CONDITIONAL(MOONLIGHT_SGEN, [test "x$with_moon_gc" = "xsgen"])
3207
3208 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3209 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3210 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3211 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3212 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3213 AM_CONDITIONAL(INSTALL_MOBILE, [test "x$with_mobile" = xyes])
3214 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3215
3216 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3217 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3218 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3219 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3220 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3221 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3222 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3223 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
3224 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3225 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3226 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3227 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3228 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
3229 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3230 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3231 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3232 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3233
3234 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3235 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3236 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3237
3238 AC_SUBST(LIBC)
3239 AC_SUBST(INTL)
3240 AC_SUBST(SQLITE)
3241 AC_SUBST(SQLITE3)
3242 AC_SUBST(X11)
3243 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3244 AC_SUBST(arch_target)
3245 AC_SUBST(CFLAGS)
3246 AC_SUBST(CPPFLAGS)
3247 AC_SUBST(LDFLAGS)
3248
3249 mono_build_root=`pwd`
3250 AC_SUBST(mono_build_root)
3251
3252 if test x$USEJIT = xtrue; then
3253   mono_runtime=mono/mini/mono
3254 else
3255   mono_runtime=mono/interpreter/mint
3256 fi
3257 AC_SUBST(mono_runtime)
3258
3259 mono_cfg_root=$mono_build_root/runtime
3260 if test x$host_win32 = xyes; then
3261   if test "x$cross_compiling" = "xno"; then
3262     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3263   else
3264     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3265   fi
3266 else
3267   mono_cfg_dir=$mono_cfg_root/etc
3268 fi
3269 AC_SUBST(mono_cfg_dir)
3270
3271 AC_CONFIG_FILES([po/mcs/Makefile.in])
3272
3273 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3274 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3275
3276 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3277 [   depth=../../../..
3278     case $srcdir in
3279     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3280     .) reldir=$depth ;;
3281     *) reldir=$depth/$srcdir ;;
3282     esac
3283     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3284     cd runtime/etc/mono/1.0
3285     rm -f machine.config
3286     $LN_S $reldir/data/net_1_1/machine.config machine.config
3287     cd $depth
3288 ],[LN_S='$LN_S'])
3289
3290 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3291 [   depth=../../../..
3292     case $srcdir in
3293     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3294     .) reldir=$depth ;;
3295     *) reldir=$depth/$srcdir ;;
3296     esac
3297     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3298     cd runtime/etc/mono/2.0
3299     rm -f machine.config
3300     $LN_S $reldir/data/net_2_0/machine.config machine.config
3301     cd $depth
3302 ],[LN_S='$LN_S'])
3303
3304 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3305 [   depth=../../../..
3306     case $srcdir in
3307     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3308     .) reldir=$depth ;;
3309     *) reldir=$depth/$srcdir ;;
3310     esac
3311     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3312     cd runtime/etc/mono/2.0
3313     rm -f web.config
3314     $LN_S $reldir/data/net_2_0/web.config web.config
3315     cd $depth
3316 ],[LN_S='$LN_S'])
3317
3318 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3319 [   depth=../../..
3320     case $srcdir in
3321     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3322     .) reldir=$depth ;;
3323     *) reldir=$depth/$srcdir ;;
3324     esac
3325     $ac_aux_dir/install-sh -d runtime/etc/mono/
3326     cd runtime/etc/mono/
3327     rm -f browscap.ini
3328     $LN_S $reldir/data/browscap.ini browscap.ini
3329     cd $depth
3330 ],[LN_S='$LN_S'])
3331
3332 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3333 [   depth=../../../../..
3334     case $srcdir in
3335     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3336     .) reldir=$depth ;;
3337     *) reldir=$depth/$srcdir ;;
3338     esac
3339     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3340     cd runtime/etc/mono/2.0/Browsers
3341     rm -f Compat.browser
3342     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
3343     cd $depth
3344 ],[LN_S='$LN_S'])
3345
3346 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3347 [   depth=../../../..
3348     case $srcdir in
3349     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3350     .) reldir=$depth ;;
3351     *) reldir=$depth/$srcdir ;;
3352     esac
3353     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3354     cd runtime/etc/mono/4.0
3355     rm -f machine.config
3356     $LN_S $reldir/data/net_4_0/machine.config machine.config
3357     cd $depth
3358 ],[LN_S='$LN_S'])
3359
3360 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3361 [   depth=../../../..
3362     case $srcdir in
3363     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3364     .) reldir=$depth ;;
3365     *) reldir=$depth/$srcdir ;;
3366     esac
3367     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3368     cd runtime/etc/mono/4.0
3369     rm -f web.config
3370     $LN_S $reldir/data/net_4_0/web.config web.config
3371     cd $depth
3372 ],[LN_S='$LN_S'])
3373
3374 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3375 [   depth=../../../..
3376     case $srcdir in
3377     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3378     .) reldir=$depth ;;
3379     *) reldir=$depth/$srcdir ;;
3380     esac
3381     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3382     cd runtime/etc/mono/4.5
3383     rm -f machine.config
3384     $LN_S $reldir/data/net_4_5/machine.config machine.config
3385     cd $depth
3386 ],[LN_S='$LN_S'])
3387
3388 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3389 [   depth=../../../..
3390     case $srcdir in
3391     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3392     .) reldir=$depth ;;
3393     *) reldir=$depth/$srcdir ;;
3394     esac
3395     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3396     cd runtime/etc/mono/4.5
3397     rm -f web.config
3398     $LN_S $reldir/data/net_4_5/web.config web.config
3399     cd $depth
3400 ],[LN_S='$LN_S'])
3401
3402 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])
3403
3404 AC_OUTPUT([
3405 Makefile
3406 mono-core.spec
3407 mono-uninstalled.pc
3408 scripts/mono-find-provides
3409 scripts/mono-find-requires
3410 mono/Makefile
3411 mono/utils/Makefile
3412 mono/metadata/Makefile
3413 mono/dis/Makefile
3414 mono/cil/Makefile
3415 mono/arch/Makefile
3416 mono/arch/x86/Makefile
3417 mono/arch/amd64/Makefile
3418 mono/arch/ppc/Makefile
3419 mono/arch/sparc/Makefile
3420 mono/arch/s390x/Makefile
3421 mono/arch/arm/Makefile
3422 mono/arch/ia64/Makefile
3423 mono/arch/mips/Makefile
3424 mono/interpreter/Makefile
3425 mono/tests/Makefile
3426 mono/tests/tests-config
3427 mono/tests/assemblyresolve/Makefile
3428 mono/tests/cas/Makefile
3429 mono/tests/cas/assembly/Makefile
3430 mono/tests/cas/demand/Makefile
3431 mono/tests/cas/inheritance/Makefile
3432 mono/tests/cas/linkdemand/Makefile
3433 mono/tests/cas/threads/Makefile
3434 mono/tests/gc-descriptors/Makefile
3435 mono/benchmark/Makefile
3436 mono/monograph/Makefile
3437 mono/io-layer/Makefile
3438 mono/mini/Makefile
3439 mono/profiler/Makefile
3440 m4/Makefile
3441 ikvm-native/Makefile
3442 scripts/Makefile
3443 man/Makefile
3444 docs/Makefile
3445 data/Makefile
3446 data/net_2_0/Makefile
3447 data/net_4_0/Makefile
3448 data/net_4_5/Makefile
3449 data/net_2_0/Browsers/Makefile
3450 data/mint.pc
3451 data/mono-2.pc
3452 data/monosgen-2.pc
3453 data/mono.pc
3454 data/mono-cairo.pc
3455 data/mono-nunit.pc
3456 data/mono-options.pc
3457 data/mono-lineeditor.pc
3458 data/monodoc.pc
3459 data/mono.web.pc
3460 data/dotnet.pc
3461 data/dotnet35.pc
3462 data/wcf.pc
3463 data/cecil.pc
3464 data/system.web.extensions_1.0.pc
3465 data/system.web.extensions.design_1.0.pc
3466 data/system.web.mvc.pc
3467 data/system.web.mvc2.pc
3468 data/system.web.mvc3.pc
3469 data/aspnetwebstack.pc
3470 data/reactive.pc
3471 samples/Makefile
3472 support/Makefile
3473 data/config
3474 tools/Makefile
3475 tools/locale-builder/Makefile
3476 tools/sgen/Makefile
3477 runtime/Makefile
3478 msvc/Makefile
3479 po/Makefile
3480 ])
3481
3482 # Update all submodules recursively to ensure everything is checked out
3483 $srcdir/scripts/update_submodules
3484
3485 if test x$host_win32 = xyes; then
3486    # Get rid of 'cyg' prefixes in library names
3487    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3488    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3489    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3490    # executable doesn't work...
3491    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3492 fi
3493
3494 if test x$platform_darwin = xyes; then
3495    # This doesn't seem to be required and it slows down parallel builds
3496    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3497 fi
3498
3499 (
3500   case $prefix in
3501   NONE) prefix=$ac_default_prefix ;;
3502   esac
3503   case $exec_prefix in
3504   NONE) exec_prefix='${prefix}' ;;
3505   esac
3506
3507   #
3508   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3509   # any existing config.make.  This allows people to share the same source tree
3510   # with different build directories, one native and one cross
3511   #
3512   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3513
3514     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3515
3516     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3517     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3518     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3519     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3520     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3521     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3522     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3523     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3524
3525     case $INSTALL in
3526     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3527     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3528     esac
3529
3530     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3531
3532     export VERSION
3533     [myver=$($AWK 'BEGIN {
3534       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3535       if(length(vsplit [1]) > 4) {
3536         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3537       }
3538       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3539     }')]
3540
3541     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3542
3543     if test x$platform_darwin = xyes; then
3544       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3545     fi
3546
3547         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3548            enable_system_aot=yes
3549         fi
3550
3551         if test "x$enable_loadedllvm" = "xyes"; then
3552            # This seems to fail on the x86 buildbots
3553            enable_system_aot=no
3554         fi
3555
3556     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3557       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3558     fi
3559
3560     if test x$DISABLE_MCS_DOCS = xyes; then
3561       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3562     fi
3563
3564     if test x$with_moonlight != xno; then
3565       echo "MOONLIGHT = 1" >> $srcdir/$mcsdir/build/config.make
3566     fi
3567
3568     if test x$has_extension_module != xno; then
3569         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3570     fi
3571
3572         default_profile=net_2_0
3573     if test -z "$INSTALL_4_0_TRUE"; then :
3574                 default_profile=net_4_0
3575     fi
3576     if test -z "$INSTALL_MONODROID_TRUE"; then :
3577                 default_profile=monodroid
3578     fi
3579     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3580                 default_profile=monotouch
3581     fi
3582     if test -z "$INSTALL_4_5_TRUE"; then :
3583                 default_profile=net_4_5
3584     fi
3585     
3586     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3587     
3588     if test "x$test_bcl_opt" = "xyes"; then    
3589       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3590     fi
3591
3592   fi
3593
3594   # if we have an olive folder, override the default settings
3595   if test -d $olivedir; then
3596
3597     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3598
3599       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3600
3601       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3602       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3603       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3604       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3605       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3606       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3607     fi
3608   fi
3609
3610 )
3611
3612 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3613
3614 echo "
3615         mcs source:    $mcsdir
3616
3617    Engine:
3618         GC:            $gc_msg 
3619         TLS:           $with_tls
3620         SIGALTSTACK:   $with_sigaltstack
3621         Engine:        $jit_status
3622         oprofile:      $OPROFILE
3623         BigArrays:     $enable_big_arrays
3624         DTrace:        $enable_dtrace
3625         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3626
3627    Libraries:
3628         .NET 2.0/3.5:  $with_profile2
3629         .NET 4.0:      $with_profile4
3630         .NET 4.5:      $with_profile4_5
3631         MonoDroid:     $with_monodroid
3632         MonoTouch:     $with_monotouch
3633         JNI support:   $jdk_headers_found
3634         libgdiplus:    $libgdiplus_msg
3635         zlib:          $zlib_msg
3636         $disabled
3637 "
3638 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3639    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3640 fi