Generic jumptables support (needed for ARM NaCl port),
[mono.git] / configure.in
1 # Process this file with autoconf to produce a configure script.
2 #AC_PREREQ([2.62])
3
4 AC_INIT(mono, [3.0.5],
5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
6
7 AC_CONFIG_SRCDIR([README])
8 AC_CONFIG_MACRO_DIR([m4])
9 AC_CANONICAL_SYSTEM
10 AC_CANONICAL_HOST
11
12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
13 # The extra brackets are to foil regex-based scans.
14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
15
16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign])
17 AC_CONFIG_HEADERS([config.h])
18 AM_MAINTAINER_MODE
19
20 API_VER=2.0
21 AC_SUBST(API_VER)
22
23 AC_PROG_LN_S
24
25 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
26
27 # In case of cygwin, override LN_S, irrespective of what it determines.
28 # The build uses cygwin, but the actual runtime doesn't.
29 case $host_os in
30 *cygwin* ) LN_S='cp -p';;
31 esac
32
33 dnl
34 dnl libgc checks
35 dnl
36
37 gc_headers=no
38 gc=included
39 gc_msg="included Boehm"
40 use_included_gc=no
41 libgc_configure_args=
42
43 if test -d $srcdir/libgc ; then
44   gc_default=included
45 else
46   gc_default=boehm
47 fi
48
49 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
50 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
51 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
52 CFLAGS_FOR_LIBGC=$CFLAGS
53 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
54 CFLAGS_FOR_EGLIB=$CFLAGS
55
56 #
57 # These are the flags that need to be stored in the mono.pc file for 
58 # compiling code that will embed Mono
59 #
60 libmono_cflags=""
61 libmono_ldflags=""
62 AC_SUBST(libmono_cflags)
63 AC_SUBST(libmono_ldflags)
64
65 # Variable to have relocatable .pc files (lib, or lib64)
66 reloc_libdir=`basename ${libdir}`
67 AC_SUBST(reloc_libdir)
68
69 dnl if linker handles the version script
70 no_version_script=no
71
72 # Set to yes if Unix sockets cannot be created in an anonymous namespace
73 need_link_unlink=no
74
75 # Thread configuration inspired by sleepycat's db
76 AC_MSG_CHECKING([host platform characteristics])
77 libgc_threads=no
78 has_dtrace=no
79 parallel_mark=yes
80 ikvm_native=yes
81
82 case "$host" in
83         powerpc*-*-linux*)
84                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
85                 disable_munmap=yes
86         ;;
87 esac
88
89 host_win32=no
90 target_win32=no
91 platform_android=no
92 platform_darwin=no
93 case "$host" in
94         *-mingw*|*-*-cygwin*)
95                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
96                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
97                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
98                 host_win32=yes
99                 mono_cv_clang=no
100                 if test "x$cross_compiling" = "xno"; then
101                         target_win32=yes
102                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
103                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
104                         fi
105                         #
106                         # gcc-3/g++-3 are from the gcc-core/gcc-g++ cygwin packages.
107                         # Other gcc packages will not work:
108                         # - the gcc-4 packages no longer support -mno-cygwin
109                         # - the mingw-gcc packages produce executables which depends on a libgcc<...>
110                         # dll, which means we would have to distribute that file too.
111                         #
112                         if test "x$CC" != "x"; then
113                                 AC_ERROR(Don't set CC. mono can only be compiled with gcc-3 from the 'gcc-core' package)
114                         fi
115                         CC="gcc-3.exe -mno-cygwin -g"
116                         CXX="g++-3.exe -mno-cygwin -g"
117                         # So libgc configure gets -mno-cygwin
118                         export CC
119                         export CXX
120                         CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -mno-cygwin"
121                 else
122                         target_win32=yes
123                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
124                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
125                 fi
126                 HOST_CC="gcc"
127                 # Windows 2000 is required that includes Internet Explorer 5.01
128                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
129                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
130                 libmono_cflags="-mno-cygwin -mms-bitfields -mwindows"
131                 libmono_ldflags="-mno-cygwin -mms-bitfields -mwindows"
132                 libdl=
133                 libgc_threads=win32
134                 gc_default=included
135                 with_sigaltstack=no
136                 LN_S=cp
137                 # This forces libgc to use the DllMain based thread registration code on win32
138                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
139                 ;;
140         *-*-*netbsd*)
141                 host_win32=no
142                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
143                 libmono_cflags="-D_REENTRANT"
144                 LDFLAGS="$LDFLAGS -pthread"
145                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
146                 libmono_ldflags="-pthread"
147                 need_link_unlink=yes
148                 libdl="-ldl"
149                 libgc_threads=pthreads
150                 with_sigaltstack=no
151                 use_sigposix=yes
152                 ;;
153         *-*-*freebsd*)
154                 host_win32=no
155                 if test "x$PTHREAD_CFLAGS" = "x"; then
156                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
157                         libmono_cflags=
158                 else
159                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
160                         libmono_cflags="$PTHREAD_CFLAGS"
161                 fi
162                 if test "x$PTHREAD_LIBS" = "x"; then
163                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
164                         libmono_ldflags="-pthread"
165                 else
166                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
167                         libmono_ldflags="$PTHREAD_LIBS"
168                 fi
169                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
170                 need_link_unlink=yes
171                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
172                 libdl=
173                 libgc_threads=pthreads
174                 # This doesn't seem to work as of 7.0 on amd64
175                 with_sigaltstack=no
176                 use_sigposix=yes
177                 ;;
178         *-*-*openbsd*)
179                 host_win32=no
180                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
181                 if test "x$disable_munmap" != "xyes"; then
182                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
183                 fi
184                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
185                 LDFLAGS="$LDFLAGS -pthread"
186                 need_link_unlink=yes
187                 AC_DEFINE(PTHREAD_POINTER_ID)
188                 libdl=
189                 gc_default=boehm
190                 libgc_threads=pthreads
191                 with_sigaltstack=no
192                 use_sigposix=yes
193                 ;;
194         *-*-linux-android*)
195                 host_win32=no
196                 platform_android=yes
197                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
198                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
199
200                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
201                 if test "x$disable_munmap" != "xyes"; then
202                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
203                 fi
204                 libmono_cflags="-D_REENTRANT"
205                 libdl="-ldl"
206                 libgc_threads=pthreads
207                 use_sigposix=yes
208
209                 with_tls=pthread
210                 with_sigaltstack=no
211                 with_static_mono=no
212
213                 # Android doesn't support boehm, as it's missing <link.h>
214                 support_boehm=no
215                 with_gc=sgen
216
217                 # isinf(3) requires -lm; see isinf check below
218                 LDFLAGS="$LDFLAGS -lm"
219
220                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
221                 # PAGE_SIZE; breaks mono/io-layer/collection.c
222                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
223                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
224                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
225
226                 # to bypass the underscore linker check, can't work when cross-compiling
227                 mono_cv_uscore=yes
228                 mono_cv_clang=no
229                 ;;
230         *-*-linux*)
231                 host_win32=no
232                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
233                 if test "x$disable_munmap" != "xyes"; then
234                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
235                 fi
236                 libmono_cflags="-D_REENTRANT"
237                 libdl="-ldl"
238                 libgc_threads=pthreads
239                 use_sigposix=yes
240                 if test "x$cross_compiling" != "xno"; then
241                         # to bypass the underscore linker check, not
242                         # available during cross-compilation
243                         mono_cv_uscore=no
244                 fi
245                 ;;
246         *-*-nacl*)
247                 host_win32=no
248                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
249                 if test "x$disable_munmap" != "xyes"; then
250                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
251                 fi
252                 libmono_cflags="-D_REENTRANT"
253                 libdl=
254                 libgc_threads=pthreads
255                 gc_default=boehm
256                 use_sigposix=yes
257                 ikvm_native=no
258                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
259                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
260                 ;;
261         *-*-hpux*)
262                 host_win32=no
263                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
264                 # +ESdbgasm only valid on bundled cc on RISC
265                 # silently ignored for ia64
266                 if test $GCC != "yes"; then
267                         CFLAGS="$CFLAGS +ESdbgasm"
268                         # Arrange for run-time dereferencing of null
269                         # pointers to produce a SIGSEGV signal.
270                         LDFLAGS="$LDFLAGS -z"
271                 fi
272                 CFLAGS="$CFLAGS +ESdbgasm"
273                 LDFLAGS="$LDFLAGS -z"
274                 libmono_cflags="-D_REENTRANT"
275                 libmono_ldflags="-lpthread"
276                 libgc_threads=pthreads
277                 need_link_unlink=yes
278                 use_sigposix=yes
279                 ;;
280         *-*-solaris*)
281                 host_win32=no
282                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
283                 need_link_unlink=yes
284                 libmono_cflags="-D_REENTRANT"
285                 libgc_threads=pthreads
286                 # This doesn't seem to work on solaris/x86, but the configure test runs
287                 with_tls=pthread
288                 has_dtrace=yes
289                 use_sigposix=yes
290                 enable_solaris_tar_check=yes
291                 ;;
292         *-*-darwin*)
293                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
294                 host_win32=no
295                 platform_darwin=yes
296                 target_mach=yes
297                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
298                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
299                 libmono_cflags="-D_THREAD_SAFE"
300                 need_link_unlink=yes
301                 AC_DEFINE(PTHREAD_POINTER_ID)
302                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
303                 no_version_script=yes
304                 libdl=
305                 libgc_threads=pthreads
306                 has_dtrace=yes
307                 if test "x$cross_compiling" = "xyes"; then
308                         has_broken_apple_cpp=yes
309                 fi
310                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
311                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
312                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
313                 case "$host" in
314                         dnl Snow Leopard and newer config.guess reports as this
315                         i*86-*-darwin*)
316                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
317                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_FLAGS"
318                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
319                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
320                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
321                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
322                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
323                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
324                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
325                                 ;;
326                         arm*-darwin*)
327                                 has_dtrace=no
328                                 ;;                      
329                 esac
330                 ;;
331         *-*-haiku*)
332                 host_win32=no
333                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
334                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
335                 libdl=
336                 LIBS="$LIBS -lnetwork"
337                 need_link_unlink=yes
338                 AC_DEFINE(PTHREAD_POINTER_ID)
339                 libgc_threads=pthreads
340                 use_sigposix=yes
341                 ;;
342         *)
343                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
344                 host_win32=no
345                 libdl="-ldl"
346                 ;;
347 esac
348 AC_MSG_RESULT(ok)
349
350 if test x$need_link_unlink = xyes; then
351    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
352 fi
353
354 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
355 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
356 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
357 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
358 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
359 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
360
361 AC_CHECK_TOOL(CC, gcc, gcc)
362 AC_PROG_CC
363 AC_CHECK_TOOL(CXX, g++, g++)
364 AC_PROG_CXX
365 AM_PROG_AS
366 AC_PROG_INSTALL
367 AC_PROG_AWK
368 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
369 : ${CCAS='$(CC)'}
370 # Set ASFLAGS if not already set.
371 : ${CCASFLAGS='$(CFLAGS)'}
372 AC_SUBST(CCAS)
373 AC_SUBST(CCASFLAGS)
374
375 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
376 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
377 if test "x$CXX" = "xg++"; then
378         if test "x$GXX" != "xyes"; then
379                 # automake/libtool is so broken, it requires g++ even if the c++ sources
380                 # are inside automake conditionals
381                 AC_MSG_ERROR([You need to install g++])
382         fi
383 fi
384
385 dnl may require a specific autoconf version
386 dnl AC_PROG_CC_FOR_BUILD
387 dnl CC_FOR_BUILD not automatically detected
388 CC_FOR_BUILD=$CC
389 CFLAGS_FOR_BUILD=$CFLAGS
390 BUILD_EXEEXT=
391 if test "x$cross_compiling" = "xyes"; then
392         CC_FOR_BUILD=cc
393         CFLAGS_FOR_BUILD=
394         BUILD_EXEEXT=""
395 fi
396 AC_SUBST(CC_FOR_BUILD)
397 AC_SUBST(CFLAGS_FOR_BUILD)
398 AC_SUBST(HOST_CC)
399 AC_SUBST(BUILD_EXEEXT)
400
401 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
402 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
403
404 # Set STDC_HEADERS
405 AC_HEADER_STDC
406 AC_LIBTOOL_WIN32_DLL
407 # This causes monodis to not link correctly
408 #AC_DISABLE_FAST_INSTALL
409 AM_PROG_LIBTOOL
410 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
411 DOLT
412
413 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
414 AC_SUBST(export_ldflags)
415
416 # Test whenever ld supports -version-script
417 AC_PROG_LD
418 AC_PROG_LD_GNU
419 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
420    no_version_script=yes
421 fi
422
423 AM_ICONV()
424
425 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
426
427 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h sys/utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h sys/uio.h sys/param.h libproc.h)
428 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/sem.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h sys/inotify.h)
429 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
430                   [], [], [#include <stddef.h>
431                   #include <sys/socket.h>
432                   #include <linux/socket.h>])
433
434 AC_CHECK_HEADERS(sys/user.h, [], [],
435 [
436 #ifdef HAVE_SYS_PARAM_H
437 # include <sys/param.h>
438 #endif
439 ])
440
441 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
442 if test x$have_zlib = xyes; then
443    AC_TRY_COMPILE([#include <zlib.h>], [
444    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
445    return 0;
446    #else
447    #error No good zlib found
448    #endif
449    ],[
450         AC_MSG_RESULT(Using system zlib)
451         zlib_msg="system zlib"
452         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
453    ],[
454         AC_MSG_RESULT(Using embedded zlib)
455         have_zlib=no
456         zlib_msg="bundled zlib"
457    ])
458 fi
459
460 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
461 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
462
463 # for mono/metadata/debug-symfile.c
464 AC_CHECK_HEADERS(elf.h)
465
466 # for support
467 AC_CHECK_HEADERS(poll.h)
468 AC_CHECK_HEADERS(sys/poll.h)
469 AC_CHECK_HEADERS(sys/wait.h)
470 AC_CHECK_HEADERS(grp.h)
471 AC_CHECK_HEADERS(syslog.h)
472
473 # for mono/dis
474 AC_CHECK_HEADERS(wchar.h)
475 AC_CHECK_HEADERS(ieeefp.h)
476 AC_MSG_CHECKING(for isinf)
477 AC_TRY_LINK([#include <math.h>], [
478         int f = isinf (1);
479 ], [
480         AC_MSG_RESULT(yes)
481         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
482 ], [
483         # We'll have to use signals
484         AC_MSG_RESULT(no)
485 ])
486
487 # for Linux statfs support
488 AC_CHECK_HEADERS(linux/magic.h)
489
490 # not 64 bit clean in cross-compile
491 AC_CHECK_SIZEOF(void *, 4)
492
493 WARN=''
494 if test x"$GCC" = xyes; then
495         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
496                 # The runtime code does not respect ANSI C strict aliasing rules
497                 CFLAGS="$CFLAGS -fno-strict-aliasing"
498
499                 ORIG_CFLAGS=$CFLAGS
500                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
501                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
502                 AC_TRY_COMPILE([],[
503                                 return 0;
504                 ], [
505                    AC_MSG_RESULT(yes)
506                 ], [
507                    AC_MSG_RESULT(no)
508                    CFLAGS=$ORIG_CFLAGS
509                 ])
510
511                 ORIG_CFLAGS=$CFLAGS
512                 # Check for the normal version, since gcc ignores unknown -Wno options
513                 CFLAGS="$CFLAGS -Wunused-but-set-variable"
514                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
515                 AC_TRY_COMPILE([],[
516                                 return 0;
517                 ], [
518                    AC_MSG_RESULT(yes)
519                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
520                 ], [
521                    AC_MSG_RESULT(no)
522                    CFLAGS=$ORIG_CFLAGS
523                 ])
524 else
525         # The Sun Forte compiler complains about inline functions that access static variables
526         # so disable all inlining.
527         case "$host" in
528         *-*-solaris*)
529                 CFLAGS="$CFLAGS -Dinline="
530                 ;;
531         esac
532 fi
533 CFLAGS="$CFLAGS -g $WARN"
534 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
535
536 AC_CACHE_CHECK([for clang],
537         mono_cv_clang,[
538         AC_TRY_COMPILE([], [
539                 #ifdef __clang__
540                 #else
541                 #error "FAILED"
542                 #endif
543                 return 0;
544         ],
545         [mono_cv_clang=yes],
546         [mono_cv_clang=no],
547         [])
548 ])
549
550 # Where's the 'mcs' source tree?
551 if test -d $srcdir/mcs; then
552   mcsdir=mcs
553 else
554   mcsdir=../mcs
555 fi
556
557 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
558         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
559                 mcsdir=$with_mcs_path
560         fi
561 )
562
563 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
564
565 #
566 # A sanity check to catch cases where the package was unpacked
567 # with an ancient tar program (Solaris)
568 #
569 AC_ARG_ENABLE(solaris-tar-check,
570 [  --disable-solaris-tar-check    disable solaris tar check],
571    do_solaris_tar_check=no, do_solaris_tar_check=yes)
572
573 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
574         AC_MSG_CHECKING(integrity of package)
575         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
576         then
577                 AC_MSG_RESULT(ok)
578         else
579                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
580                 AC_MSG_ERROR([$errorm])
581         fi
582 fi
583
584 if test "x$with_mcs_path" != "x"; then
585 mcs_topdir=$(cd "$mcsdir" && pwd)
586 mcs_topdir_from_srcdir=$mcs_topdir
587 else
588 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
589 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
590 fi
591
592 # Convert mcs_topdir* paths to Windows syntax.
593 if test x$cross_compiling$host_win32 = xnoyes; then
594   mcs_topdir=$(cygpath -m $mcs_topdir)
595   case $mcs_topdir_from_srcdir in
596     /cygdrive/*)
597         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
598         ;;
599   esac
600 fi
601
602 AC_SUBST([mcs_topdir])
603 AC_SUBST([mcs_topdir_from_srcdir])
604
605 # Where's the 'olive' source tree?
606 if test -d $srcdir/olive; then
607   olivedir=olive
608 else
609   olivedir=../olive
610 fi
611
612 if test -d $srcdir/$olivedir; then
613 olive_topdir='$(top_srcdir)/'$olivedir
614 fi
615
616 # gettext: prepare the translation directories. 
617 # we do not configure the full gettext, as we consume it dynamically from C#
618 AM_PO_SUBDIRS
619
620 if test "x$USE_NLS" = "xyes"; then
621    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
622
623    if test "x$HAVE_MSGFMT" = "xno"; then
624           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
625    fi
626 fi
627
628 AC_ARG_WITH([libgdiplus], 
629         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)], 
630         [], [with_libgdiplus=installed])
631
632 case $with_libgdiplus in
633 no|installed) libgdiplus_loc= ;;
634 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
635 /*) libgdiplus_loc=$with_libgdiplus ;;
636 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
637 esac
638 AC_SUBST([libgdiplus_loc])
639
640 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
641
642 pkg_config_path=
643 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
644         if test x$with_crosspkgdir = "x"; then
645                 if test -s $PKG_CONFIG_PATH; then
646                         pkg_config_path=$PKG_CONFIG_PATH
647                 fi
648         else
649                 pkg_config_path=$with_crosspkgdir
650                 PKG_CONFIG_PATH=$pkg_config_path
651                 export PKG_CONFIG_PATH
652         fi
653 )
654
655 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
656 AC_CONFIG_SUBDIRS(eglib)
657
658 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
659 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
660 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
661 BUILD_GLIB_LIBS="$GLIB_LIBS"
662 GMODULE_CFLAGS="$GLIB_CFLAGS"
663 GMODULE_LIBS="$GLIB_LIBS"
664   
665 AC_SUBST(GLIB_CFLAGS)
666 AC_SUBST(GLIB_LIBS)
667 AC_SUBST(GMODULE_CFLAGS)
668 AC_SUBST(GMODULE_LIBS)
669 AC_SUBST(BUILD_GLIB_CFLAGS)
670 AC_SUBST(BUILD_GLIB_LIBS)
671
672 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
673
674 # Enable support for fast thread-local storage
675 # Some systems have broken support, so we allow to disable it.
676 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
677
678 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
679 # This does not work on some platforms (bug #55253)
680 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
681
682 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
683 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
684 # Same as --with-shared_mono=no
685 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
686
687 if test "x$enable_static" = "xno"; then
688    with_static_mono=no
689 fi
690
691 if test "x$enable_shared" = "xno"; then
692    with_shared_mono=no
693 fi
694
695 if test "x$enable_libraries" = "xno"; then
696    with_shared_mono=no
697 fi
698
699 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
700
701 case $host in
702 *nacl* ) with_shared_mono=yes;;
703 esac
704
705 if test "x$host_win32" = "xyes"; then
706    # Boehm GC requires the runtime to be in its own dll
707    with_static_mono=no
708 fi
709
710 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
711 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
712 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
713
714 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
715 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
716         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
717         ORIG_CFLAGS=$CFLAGS
718         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
719         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
720         AC_TRY_COMPILE([], [
721                 return 0;
722         ], [
723            AC_MSG_RESULT(yes)
724            # Pass it to libgc as well
725            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
726         ], [
727            AC_MSG_RESULT(no)
728            CFLAGS=$ORIG_CFLAGS
729         ])
730 fi
731
732 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
733
734 if test x$enable_small_config = xyes; then
735         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
736         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
737 fi
738
739 AC_ARG_ENABLE(system-aot, [  --enable-system-aot  Enable the Ahead-Of-Time compilation of system assemblies during the build (on by default on some platforms)], enable_system_aot=$enableval, enable_system_aot=default)
740
741 DISABLED_FEATURES=none
742
743 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
744      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
745      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters,
746          sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
747 [
748         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
749                 eval "mono_feature_disable_$feature='yes'"
750         done
751         DISABLED_FEATURES=$enable_minimal
752         disabled="Disabled:      $enable_minimal"
753 ],[])
754
755 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
756
757 if test "x$mono_feature_disable_aot" = "xyes"; then
758         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
759         AC_MSG_NOTICE([Disabled AOT compiler])
760 fi
761
762 if test "x$mono_feature_disable_profiler" = "xyes"; then
763         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
764         AC_MSG_NOTICE([Disabled support for the profiler])
765 fi
766 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
767
768 if test "x$mono_feature_disable_decimal" = "xyes"; then
769         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
770         AC_MSG_NOTICE([Disabled support for decimal])
771 fi
772
773 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
774         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
775         AC_MSG_NOTICE([Disabled support for P/Invoke])
776 fi
777
778 if test "x$mono_feature_disable_debug" = "xyes"; then
779         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
780         AC_MSG_NOTICE([Disabled support for runtime debugging])
781 fi
782
783 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
784         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
785         mono_feature_disable_reflection_emit_save=yes
786         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
787 fi
788
789 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
790         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
791         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
792 fi
793
794 if test "x$mono_feature_disable_large_code" = "xyes"; then
795         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
796         AC_MSG_NOTICE([Disabled support for large assemblies])
797 fi
798
799 if test "x$mono_feature_disable_logging" = "xyes"; then
800         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
801         AC_MSG_NOTICE([Disabled support for logging])
802 fi
803
804 if test "x$mono_feature_disable_com" = "xyes"; then
805         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
806         AC_MSG_NOTICE([Disabled COM support])
807 fi
808
809 if test "x$mono_feature_disable_ssa" = "xyes"; then
810         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
811         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
812 fi
813
814 if test "x$mono_feature_disable_generics" = "xyes"; then
815         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
816         AC_MSG_NOTICE([Disabled Generics Support])
817 fi
818
819 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
820         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
821         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
822 fi
823
824 if test "x$mono_feature_disable_portability" = "xyes"; then
825         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
826         AC_MSG_NOTICE([Disabled IO Portability layer])
827 fi
828
829 if test "x$mono_feature_disable_attach" = "xyes"; then
830         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
831         AC_MSG_NOTICE([Disabled agent attach])
832 fi
833
834 if test "x$mono_feature_disable_full_messages" = "xyes"; then
835         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
836         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
837 fi
838
839 if test "x$mono_feature_disable_verifier" = "xyes"; then
840         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
841         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
842 fi
843
844 if test "x$mono_feature_disable_jit" = "xyes"; then
845         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
846         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
847 fi
848
849 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
850
851 if test "x$mono_feature_disable_simd" = "xyes"; then
852         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
853         AC_MSG_NOTICE([Disabled SIMD support])
854 fi
855
856 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
857         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
858         AC_MSG_NOTICE([Disabled Soft Debugger.])
859 fi
860
861 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
862         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
863         AC_MSG_NOTICE([Disabled Performance Counters.])
864 fi
865 if test "x$mono_feature_disable_normalization" = "xyes"; then
866         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
867         AC_MSG_NOTICE([Disabled String normalization support.])
868 fi
869
870 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
871         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
872         AC_MSG_NOTICE([Disabled Assembly remapping.])
873 fi
874
875 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
876         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
877         AC_MSG_NOTICE([Disabled Shared perfcounters.])
878 fi
879
880 if test "x$mono_feature_disable_appdomains" = "xyes"; then
881         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
882         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
883 fi
884
885 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
886         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
887         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
888 fi
889
890 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
891         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
892         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
893 fi
894
895 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
896         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
897         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
898 fi
899
900 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
901         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
902         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
903 fi
904
905 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
906         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
907         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
908 fi
909
910 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
911 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
912
913 AC_ARG_ENABLE(extension-module, [  --enable-extension-module enables usage of the extension module], has_extension_module=$enableval, has_extension_module=no)
914 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
915
916 if test x$has_extension_module != xno ; then
917         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
918         AC_MSG_NOTICE([Enabling mono extension module.])
919 fi
920
921
922 AC_MSG_CHECKING(for visibility __attribute__)
923 AC_COMPILE_IFELSE([
924         AC_LANG_SOURCE([[
925                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
926                 int main () { doit (); return 0; }
927         ]])
928 ], [
929    have_visibility_hidden=yes
930    AC_MSG_RESULT(yes)
931 ], [
932    have_visibility_hidden=no
933    AC_MSG_RESULT(no)
934 ])
935
936 AC_MSG_CHECKING(for deprecated __attribute__)
937 AC_TRY_COMPILE([
938      int doit (void) __attribute__ ((deprecated));
939      int doit (void) { return 0; }
940 ], [
941         return 0;
942 ], [
943    have_deprecated=yes
944    AC_MSG_RESULT(yes)
945 ], [
946    have_deprecated=no
947    AC_MSG_RESULT(no)
948 ])
949
950 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
951 if test x$enable_parallel_mark = xyes; then
952         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
953 fi
954
955 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
956 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
957
958 dnl
959 dnl Boehm GC configuration
960 dnl
961 LIBGC_CPPFLAGS=
962 LIBGC_LIBS=
963 LIBGC_STATIC_LIBS=
964 libgc_dir=
965 case "x$gc" in
966         xboehm|xbohem|xyes)
967                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
968                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
969
970                 if test "x$found_boehm" != "xyes"; then
971                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
972                 fi
973                 if test "x$gc_headers" != "xyes"; then
974                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
975                 fi
976
977                 LIBGC_LIBS="-lgc $libdl"
978                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
979                 libmono_ldflags="$libmono_ldflags -lgc"
980                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
981
982                 # AC_CHECK_FUNCS does not work for some reason...
983                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
984                 if test "x$found_gcj_malloc" = "xyes"; then
985                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
986                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
987                         gc_msg="System Boehm with typed GC"
988                 else
989                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
990                         gc_msg="System Boehm (without typed GC)"
991                 fi
992                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
993                 if test "x$found_gc_enable" = "xyes"; then
994                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
995                 fi
996
997                 # check whether we need to explicitly allow
998                 # thread registering
999                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1000                 if test "x$found_allow_register_threads" = "xyes"; then
1001                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1002                 fi
1003
1004                 ;;
1005
1006         xincluded)
1007                 use_included_gc=yes
1008                 libgc_dir=libgc
1009
1010                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1011                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1012                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1013
1014                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1015
1016                 gc_msg="bundled Boehm GC with typed GC"
1017                 if test x$enable_parallel_mark = xyes; then
1018                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1019                         gc_msg="$gc_msg and parallel mark"
1020                 else
1021                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1022                 fi
1023                 ;;
1024
1025         xsgen)
1026                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1027                 ;;
1028
1029         xnone)
1030                 AC_MSG_WARN("Compiling mono without GC.")
1031                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1032                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1033                 ;;
1034         *)
1035                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1036                 ;;
1037 esac
1038
1039 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1040 if test "x$large_heap" = "xyes"; then
1041    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1042 fi
1043
1044 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1045 AC_SUBST(LIBGC_CPPFLAGS)
1046 AC_SUBST(LIBGC_LIBS)
1047 AC_SUBST(LIBGC_STATIC_LIBS)
1048 AC_SUBST(libgc_dir)
1049 AC_SUBST(BOEHM_DEFINES)
1050
1051 dnl
1052 dnl End of libgc checks
1053 dnl
1054
1055 dnl *************************************
1056 dnl *** Checks for zero length arrays ***
1057 dnl *************************************
1058 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1059 AC_TRY_COMPILE([
1060         struct s {
1061                 int  length;
1062                 char data [0];
1063         };
1064 ], [], [
1065         AC_MSG_RESULT(yes)
1066         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1067 ], [
1068         AC_MSG_RESULT(no)
1069         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1070 ])
1071
1072 if test x$target_win32 = xno; then
1073
1074         dnl hires monotonic clock support
1075         AC_SEARCH_LIBS(clock_gettime, rt)
1076
1077         dnl dynamic loader support
1078         AC_CHECK_FUNC(dlopen, DL_LIB="",
1079                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1080         )
1081         if test x$dl_support = xno; then
1082                 AC_MSG_WARN([No dynamic loading support available])
1083         else
1084                 LIBS="$LIBS $DL_LIB"
1085                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1086                 dnl from glib's configure.in
1087                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1088                         mono_cv_uscore,[
1089                         AC_TRY_RUN([#include <dlfcn.h>
1090                         int mono_underscore_test (void) { return 42; }
1091                         int main() {
1092                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1093                           handle = dlopen ((void*)0, 0);
1094                           if (handle) {
1095                             f1 = dlsym (handle, "mono_underscore_test");
1096                             f2 = dlsym (handle, "_mono_underscore_test");
1097                           } return (!f2 || f1);
1098                         }],
1099                                 [mono_cv_uscore=yes],
1100                                 [mono_cv_uscore=no],
1101                         [])
1102                 ])
1103                 if test "x$mono_cv_uscore" = "xyes"; then
1104                         MONO_DL_NEED_USCORE=1
1105                 else
1106                         MONO_DL_NEED_USCORE=0
1107                 fi
1108                 AC_SUBST(MONO_DL_NEED_USCORE)
1109                 AC_CHECK_FUNC(dlerror)
1110         fi
1111
1112         dnl ******************************************************************
1113         dnl *** Checks for the IKVM JNI interface library                  ***
1114         dnl ******************************************************************
1115         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])
1116
1117         ikvm_native_dir=
1118         if test x$with_ikvm_native = xyes; then
1119                 ikvm_native_dir=ikvm-native
1120                 jdk_headers_found="IKVM Native"
1121         fi
1122
1123         AC_SUBST(ikvm_native_dir)
1124
1125         AC_CHECK_HEADERS(execinfo.h)
1126
1127         AC_CHECK_FUNCS(getgrgid_r)
1128         AC_CHECK_FUNCS(getgrnam_r)
1129         AC_CHECK_FUNCS(getpwnam_r)
1130         AC_CHECK_FUNCS(getpwuid_r)
1131         AC_CHECK_FUNCS(getresuid)
1132         AC_CHECK_FUNCS(setresuid)
1133         AC_CHECK_FUNCS(kqueue)
1134         AC_CHECK_FUNCS(backtrace_symbols)
1135         AC_CHECK_FUNCS(mkstemp)
1136         AC_CHECK_FUNCS(mmap)
1137         AC_CHECK_FUNCS(madvise)
1138         AC_CHECK_FUNCS(getrusage)
1139         AC_CHECK_FUNCS(getpriority)
1140         AC_CHECK_FUNCS(setpriority)
1141         AC_CHECK_FUNCS(dl_iterate_phdr)
1142         AC_CHECK_FUNCS(dladdr)
1143         AC_CHECK_FUNCS(sysconf)
1144
1145         AC_CHECK_FUNCS(sched_setaffinity)
1146         AC_CHECK_FUNCS(sched_getcpu)
1147
1148         dnl ****************************************************************
1149         dnl *** Check for sched_setaffinity from glibc versions before   ***
1150         dnl *** 2.3.4. The older versions of the function only take 2    ***
1151         dnl *** parameters, not 3.                                       ***
1152         dnl ***                                                          ***
1153         dnl *** Because the interface change was not made in a minor     ***
1154         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1155         dnl *** won't always indicate the interface sched_affinity has.  ***
1156         dnl ****************************************************************
1157         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1158         AC_TRY_COMPILE([#include <sched.h>], [
1159             int mask = 1; 
1160             sched_setaffinity(0, &mask);
1161                         return 0;
1162         ], [
1163                 # Yes, we have it...
1164                 AC_MSG_RESULT(yes)
1165                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1166         ], [
1167                 # We have the new, three-parameter version
1168                 AC_MSG_RESULT(no)
1169         ])
1170
1171
1172         dnl ******************************************************************
1173         dnl *** Check for large file support                               ***
1174         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1175         dnl ******************************************************************
1176         
1177         # Check that off_t can represent 2**63 - 1 correctly, working around
1178         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1179         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1180         large_offt=no
1181         AC_DEFUN([LARGE_FILES], [
1182                 large_CPPFLAGS=$CPPFLAGS
1183                 CPPFLAGS="$CPPFLAGS $1"
1184                 AC_TRY_COMPILE([
1185                         #include <sys/types.h>
1186                         #include <limits.h>
1187                 ], [
1188                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1189                         #define COMPILE_TIME_ASSERT(pred) \
1190                                 switch(0){case 0:case pred:;}
1191                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1192                 ], [
1193                         AC_MSG_RESULT(ok)
1194                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1195                         large_CPPFLAGS="$large_CPPFLAGS $1"
1196                         large_offt=yes
1197                 ], [
1198                         AC_MSG_RESULT(no)
1199                 ])
1200                 CPPFLAGS=$large_CPPFLAGS
1201         ])
1202
1203         AC_MSG_CHECKING(if off_t is 64 bits wide)
1204         LARGE_FILES("")
1205         if test $large_offt = no; then
1206                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1207                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1208         fi
1209         if test $large_offt = no; then
1210                 AC_MSG_WARN([No 64 bit file size support available])
1211         fi
1212         
1213         dnl *****************************
1214         dnl *** Checks for libsocket  ***
1215         dnl *****************************
1216         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1217
1218         case "$host" in
1219                 *-*-*freebsd*)
1220                         dnl *****************************
1221                         dnl *** Checks for libinotify ***
1222                         dnl *****************************
1223                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1224         esac
1225
1226         dnl *******************************
1227         dnl *** Checks for MSG_NOSIGNAL ***
1228         dnl *******************************
1229         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1230         AC_TRY_COMPILE([#include <sys/socket.h>], [
1231                 int f = MSG_NOSIGNAL;
1232         ], [
1233                 # Yes, we have it...
1234                 AC_MSG_RESULT(yes)
1235                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1236         ], [
1237                 # We'll have to use signals
1238                 AC_MSG_RESULT(no)
1239         ])
1240
1241         dnl *****************************
1242         dnl *** Checks for SOL_IP     ***
1243         dnl *****************************
1244         AC_MSG_CHECKING(for SOL_IP)
1245         AC_TRY_COMPILE([#include <netdb.h>], [
1246                 int level = SOL_IP;
1247         ], [
1248                 # Yes, we have it...
1249                 AC_MSG_RESULT(yes)
1250                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1251         ], [
1252                 # We'll have to use getprotobyname
1253                 AC_MSG_RESULT(no)
1254         ])
1255
1256         dnl *****************************
1257         dnl *** Checks for SOL_IPV6     ***
1258         dnl *****************************
1259         AC_MSG_CHECKING(for SOL_IPV6)
1260         AC_TRY_COMPILE([#include <netdb.h>], [
1261                 int level = SOL_IPV6;
1262         ], [
1263                 # Yes, we have it...
1264                 AC_MSG_RESULT(yes)
1265                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1266         ], [
1267                 # We'll have to use getprotobyname
1268                 AC_MSG_RESULT(no)
1269         ])
1270
1271         dnl *****************************
1272         dnl *** Checks for SOL_TCP    ***
1273         dnl *****************************
1274         AC_MSG_CHECKING(for SOL_TCP)
1275         AC_TRY_COMPILE([#include <netdb.h>], [
1276                 int level = SOL_TCP;
1277         ], [
1278                 # Yes, we have it...
1279                 AC_MSG_RESULT(yes)
1280                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1281         ], [
1282                 # We'll have to use getprotobyname
1283                 AC_MSG_RESULT(no)
1284         ])
1285
1286         dnl *****************************
1287         dnl *** Checks for IP_PKTINFO ***
1288         dnl *****************************
1289         AC_MSG_CHECKING(for IP_PKTINFO)
1290         AC_TRY_COMPILE([#include <netdb.h>], [
1291                 int level = IP_PKTINFO;
1292         ], [
1293                 # Yes, we have it...
1294                 AC_MSG_RESULT(yes)
1295                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1296         ], [
1297                 AC_MSG_RESULT(no)
1298         ])
1299
1300         dnl *****************************
1301         dnl *** Checks for IPV6_PKTINFO ***
1302         dnl *****************************
1303         AC_MSG_CHECKING(for IPV6_PKTINFO)
1304         AC_TRY_COMPILE([#include <netdb.h>], [
1305                 int level = IPV6_PKTINFO;
1306         ], [
1307                 # Yes, we have it...
1308                 AC_MSG_RESULT(yes)
1309                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1310         ], [
1311                 AC_MSG_RESULT(no)
1312         ])
1313
1314         dnl **********************************
1315         dnl *** Checks for IP_DONTFRAGMENT ***
1316         dnl **********************************
1317         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1318         AC_TRY_COMPILE([#include <netdb.h>], [
1319                 int level = IP_DONTFRAGMENT;
1320         ], [
1321                 # Yes, we have it...
1322                 AC_MSG_RESULT(yes)
1323                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1324         ], [
1325                 AC_MSG_RESULT(no)
1326         ])
1327
1328         dnl **********************************
1329         dnl *** Checks for IP_MTU_DISCOVER ***
1330         dnl **********************************
1331         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1332         AC_TRY_COMPILE([#include <netdb.h>], [
1333                 int level = IP_MTU_DISCOVER;
1334         ], [
1335                 # Yes, we have it...
1336                 AC_MSG_RESULT(yes)
1337                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1338         ], [
1339                 AC_MSG_RESULT(no)
1340         ])
1341
1342         dnl *********************************
1343         dnl *** Check for struct ip_mreqn ***
1344         dnl *********************************
1345         AC_MSG_CHECKING(for struct ip_mreqn)
1346         AC_TRY_COMPILE([#include <netinet/in.h>], [
1347                 struct ip_mreqn mreq;
1348                 mreq.imr_address.s_addr = 0;
1349         ], [
1350                 # Yes, we have it...
1351                 AC_MSG_RESULT(yes)
1352                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1353         ], [
1354                 # We'll just have to try and use struct ip_mreq
1355                 AC_MSG_RESULT(no)
1356                 AC_MSG_CHECKING(for struct ip_mreq)
1357                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1358                         struct ip_mreq mreq;
1359                         mreq.imr_interface.s_addr = 0;
1360                 ], [
1361                         # Yes, we have it...
1362                         AC_MSG_RESULT(yes)
1363                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1364                 ], [
1365                         # No multicast support
1366                         AC_MSG_RESULT(no)
1367                 ])
1368         ])
1369         
1370         dnl **********************************
1371         dnl *** Check for gethostbyname2_r ***
1372         dnl **********************************
1373         AC_MSG_CHECKING(for gethostbyname2_r)
1374                 AC_TRY_LINK([#include <netdb.h>], [
1375                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1376         ], [
1377                 # Yes, we have it...
1378                 AC_MSG_RESULT(yes)
1379                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1380         ], [
1381                 AC_MSG_RESULT(no)
1382         ])
1383
1384         dnl *****************************
1385         dnl *** Checks for libnsl     ***
1386         dnl *****************************
1387         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1388
1389         AC_CHECK_FUNCS(inet_pton inet_aton)
1390
1391         dnl ***********************************************
1392         dnl *** Checks for size of sockaddr_un.sun_path ***
1393         dnl ***********************************************
1394         # AC_CHECK_SIZEOF can't cope with struct members :-(
1395         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1396         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1397                 [AC_TRY_RUN([
1398                         #include <sys/types.h>
1399                         #include <stdio.h>
1400                         #include <sys/un.h>
1401
1402                         int main(void) {
1403                                 struct sockaddr_un sock_un;
1404                                 FILE *f=fopen("conftestval", "w");
1405                                 if(!f) exit(1);
1406                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1407                                 exit(0);
1408                         }
1409                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1410                    mono_cv_sizeof_sunpath=0,
1411                    mono_cv_sizeof_sunpath=0)])dnl
1412         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1413         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1414
1415         dnl *****************************
1416         dnl *** Checks for libxnet    ***
1417         dnl *****************************
1418         case "${host}" in
1419                 *solaris* )
1420                         AC_MSG_CHECKING(for Solaris XPG4 support)
1421                         if test -f /usr/lib/libxnet.so; then
1422                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1423                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1424                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1425                                 LIBS="$LIBS -lxnet"
1426                                 AC_MSG_RESULT(yes)
1427                         else
1428                                 AC_MSG_RESULT(no)
1429                         fi
1430
1431                         if test "$GCC" = "yes"; then
1432                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1433                         fi
1434                 ;;
1435         esac
1436
1437         dnl *****************************
1438         dnl *** Checks for libpthread ***
1439         dnl *****************************
1440 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1441 # and libpthread does not exist
1442 #
1443         case "${host}" in
1444                 *-*-*freebsd*)
1445                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1446                 ;;
1447                 *-*-*openbsd*)
1448                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1449                 ;;
1450                 *)
1451                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1452                 ;;
1453         esac
1454         AC_CHECK_HEADERS(pthread.h)
1455         AC_CHECK_HEADERS(pthread_np.h)
1456         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1457         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1458         AC_CHECK_FUNCS(pthread_kill)
1459         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1460         AC_TRY_COMPILE([ #include <pthread.h>], [
1461                 pthread_mutexattr_t attr;
1462                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1463         ], [
1464                 AC_MSG_RESULT(ok)
1465         ], [
1466                 AC_MSG_RESULT(no)
1467                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1468                 AC_DEFINE(USE_MONO_MUTEX, 1, [Use mono_mutex_t])
1469         ])
1470         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1471         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1472         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1473
1474         dnl ***********************************
1475         dnl *** Checks for signals
1476         dnl ***********************************
1477         AC_CHECK_HEADERS(signal.h)
1478         AC_CHECK_FUNCS(sigaction)
1479
1480         dnl ***********************************
1481         dnl *** Checks for working __thread ***
1482         dnl ***********************************
1483         AC_MSG_CHECKING(for working __thread)
1484         if test "x$with_tls" != "x__thread"; then
1485                 AC_MSG_RESULT(disabled)
1486         else
1487                 AC_TRY_RUN([
1488                         #include <pthread.h>
1489                         __thread int i;
1490                         static int res1, res2;
1491
1492                         void thread_main (void *arg)
1493                         {
1494                                 i = arg;
1495                                 sleep (1);
1496                                 if (arg == 1)
1497                                         res1 = (i == arg);
1498                                 else
1499                                         res2 = (i == arg);
1500                         }
1501
1502                         int main () {
1503                                 pthread_t t1, t2;
1504
1505                                 i = 5;
1506
1507                                 pthread_create (&t1, NULL, thread_main, 1);
1508                                 pthread_create (&t2, NULL, thread_main, 2);
1509
1510                                 pthread_join (t1, NULL);
1511                                 pthread_join (t2, NULL);
1512
1513                                 return !(res1 + res2 == 2);
1514                         }
1515                 ], [
1516                                 AC_MSG_RESULT(yes)
1517                 ], [
1518                                 AC_MSG_RESULT(no)
1519                                 with_tls=pthread
1520                 ])
1521         fi
1522
1523         dnl **************************************
1524         dnl *** Checks for working sigaltstack ***
1525         dnl **************************************
1526         AC_MSG_CHECKING(for working sigaltstack)
1527         if test "x$with_sigaltstack" != "xyes"; then
1528                 AC_MSG_RESULT(disabled)
1529         else
1530                 AC_TRY_RUN([
1531                         #include <stdio.h>
1532                         #include <stdlib.h>
1533                         #include <unistd.h>
1534                         #include <signal.h>
1535                         #include <pthread.h>
1536                         #include <sys/wait.h>
1537                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1538                         #define SA_STACK SA_ONSTACK
1539                         #endif
1540                         static void
1541                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1542                         {
1543                                 exit (0);
1544                         }
1545
1546                         volatile char*__ptr = NULL;
1547                         static void *
1548                         loop (void *ignored)
1549                         {
1550                                 *__ptr = 0;
1551                                 return NULL;
1552                         }
1553
1554                         static void
1555                         child ()
1556                         {
1557                                 struct sigaction sa;
1558                         #ifdef __APPLE__
1559                                 stack_t sas;
1560                         #else
1561                                 struct sigaltstack sas;
1562                         #endif
1563                                 pthread_t id;
1564                                 pthread_attr_t attr;
1565
1566                                 sa.sa_sigaction = sigsegv_signal_handler;
1567                                 sigemptyset (&sa.sa_mask);
1568                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1569                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1570                                         perror ("sigaction");
1571                                         return;
1572                                 }
1573
1574                                 /* x86 darwin deliver segfaults using SIGBUS */
1575                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1576                                         perror ("sigaction");
1577                                         return;
1578                                 }
1579                                 sas.ss_sp = malloc (SIGSTKSZ);
1580                                 sas.ss_size = SIGSTKSZ;
1581                                 sas.ss_flags = 0;
1582                                 if (sigaltstack (&sas, NULL) == -1) {
1583                                         perror ("sigaltstack");
1584                                         return;
1585                                 }
1586
1587                                 pthread_attr_init (&attr);
1588                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1589                                         printf ("pthread_create\n");
1590                                         return;
1591                                 }
1592
1593                                 sleep (100);
1594                         }
1595
1596                         int
1597                         main ()
1598                         {
1599                                 pid_t son;
1600                                 int status;
1601                                 int i;
1602
1603                                 son = fork ();
1604                                 if (son == -1) {
1605                                         return 1;
1606                                 }
1607
1608                                 if (son == 0) {
1609                                         child ();
1610                                         return 0;
1611                                 }
1612
1613                                 for (i = 0; i < 300; ++i) {
1614                                         waitpid (son, &status, WNOHANG);
1615                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1616                                                 return 0;
1617                                         usleep (10000);
1618                                 }
1619
1620                                 kill (son, SIGKILL);
1621                                 return 1;
1622                         }
1623
1624                 ], [
1625                                 AC_MSG_RESULT(yes)
1626                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1627                 ], [
1628                                 with_sigaltstack=no
1629                                 AC_MSG_RESULT(no)
1630                 ])
1631         fi
1632
1633         dnl ********************************
1634         dnl *** Checks for semaphore lib ***
1635         dnl ********************************
1636         # 'Real Time' functions on Solaris
1637         # posix4 on Solaris 2.6
1638         # pthread (first!) on Linux
1639         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1640
1641         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1642         AC_CHECK_FUNCS(shm_open)
1643
1644         dnl ********************************
1645         dnl *** Checks for timezone stuff **
1646         dnl ********************************
1647         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1648                 AC_TRY_COMPILE([
1649                         #include <time.h>
1650                         ], [
1651                         struct tm tm;
1652                         tm.tm_gmtoff = 1;
1653                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1654         if test $ac_cv_struct_tm_gmtoff = yes; then
1655                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1656         else
1657                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1658                         AC_TRY_COMPILE([
1659                                 #include <time.h>
1660                         ], [
1661                                 timezone = 1;
1662                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1663                 if test $ac_cv_var_timezone = yes; then
1664                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1665                 else
1666                         AC_ERROR(unable to find a way to determine timezone)
1667                 fi
1668         fi
1669
1670         dnl *********************************
1671         dnl *** Checks for math functions ***
1672         dnl *********************************
1673         AC_SEARCH_LIBS(sqrtf, m)
1674         if test "x$has_broken_apple_cpp" != "xyes"; then
1675                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1676                         AC_TRY_LINK([#include <math.h>], 
1677                         [ finite(0.0); ], 
1678                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1679                         AC_MSG_RESULT(no)))
1680         fi
1681         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1682                 AC_TRY_LINK([#include <math.h>], 
1683                 [ isfinite(0.0); ], 
1684                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1685                 AC_MSG_RESULT(no)))
1686
1687         dnl ****************************************************************
1688         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1689         dnl *** have it in the library (duh))                            ***
1690         dnl ****************************************************************
1691         AC_CHECK_FUNCS(poll)
1692
1693         dnl *************************
1694         dnl *** Check for signbit ***
1695         dnl *************************
1696         AC_MSG_CHECKING(for signbit)
1697         AC_TRY_LINK([#include <math.h>], [
1698                 int s = signbit(1.0);
1699         ], [
1700                 AC_MSG_RESULT(yes)
1701                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1702         ], [
1703                 AC_MSG_RESULT(no)
1704         ]) 
1705
1706         dnl **********************************
1707         dnl *** epoll                      ***
1708         dnl **********************************
1709         AC_CHECK_HEADERS(sys/epoll.h)
1710         haveepoll=no
1711         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1712         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1713                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1714         fi
1715
1716         havekqueue=no
1717         AC_CHECK_FUNCS(kqueue, , AC_MSG_CHECKING(for kqueue in sys/event.h)
1718                 AC_TRY_LINK([#include <sys/event.h>], 
1719                 [ kqueue(); ],[havekqueue=yes],[]))
1720
1721         dnl **************************************
1722         dnl * Darwin has a race that prevents us from using reliably:
1723         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1724         dnl * Since kqueue is mostly used for scaling large web servers, 
1725         dnl * and very few folks run Mono on large web servers on OSX, falling
1726         dnl * back 
1727         dnl **************************************
1728         if test x$havekqueue = xyes; then
1729                 if x$platform_darwin = xno; then
1730                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1731                 fi
1732         fi
1733
1734         dnl ******************************
1735         dnl *** Checks for SIOCGIFCONF ***
1736         dnl ******************************
1737         AC_CHECK_HEADERS(sys/ioctl.h)
1738         AC_CHECK_HEADERS(net/if.h, [], [],
1739            [
1740            #ifdef HAVE_SYS_TYPES_H
1741            # include <sys/types.h>
1742            #endif
1743            #ifdef HAVE_SYS_SOCKET_H
1744            # include <sys/socket.h>
1745            #endif
1746            ])
1747         AC_MSG_CHECKING(for ifreq)
1748         AC_TRY_COMPILE([
1749                 #include <stdio.h>
1750                 #include <sys/ioctl.h>
1751                 #include <net/if.h>
1752                 ], [
1753                 struct ifconf ifc;
1754                 struct ifreq *ifr;
1755                 void *x;
1756                 ifc.ifc_len = 0;
1757                 ifc.ifc_buf = NULL;
1758                 x = (void *) &ifr->ifr_addr;
1759                 ],[
1760                         AC_MSG_RESULT(yes)
1761                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1762                 ], [
1763                         AC_MSG_RESULT(no)
1764                 ])
1765         dnl **********************************
1766         dnl ***     Checks for sin_len     ***
1767         dnl **********************************
1768         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1769         AC_TRY_COMPILE([
1770                 #include <netinet/in.h>
1771                 ], [
1772                 struct sockaddr_in saddr;
1773                 saddr.sin_len = sizeof (saddr);
1774                 ],[
1775                         AC_MSG_RESULT(yes)
1776                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1777                 ], [
1778                         AC_MSG_RESULT(no)
1779                 ])      
1780         dnl **********************************
1781         dnl ***    Checks for sin6_len     ***
1782         dnl **********************************
1783         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1784         AC_TRY_COMPILE([
1785                 #include <netinet/in.h>
1786                 ], [
1787                 struct sockaddr_in6 saddr6;
1788                 saddr6.sin6_len = sizeof (saddr6);
1789                 ],[
1790                         AC_MSG_RESULT(yes)
1791                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1792                 ], [
1793                         AC_MSG_RESULT(no)
1794                 ])
1795         dnl **********************************
1796         dnl *** Check for getifaddrs       ***
1797         dnl **********************************
1798         AC_MSG_CHECKING(for getifaddrs)
1799                 AC_TRY_LINK([
1800                 #include <stdio.h>
1801                 #include <sys/types.h>
1802                 #include <sys/socket.h>
1803                 #include <ifaddrs.h>
1804         ], [
1805                 getifaddrs(NULL);
1806         ], [
1807                 # Yes, we have it...
1808                 AC_MSG_RESULT(yes)
1809                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1810         ], [
1811                 AC_MSG_RESULT(no)
1812         ])
1813         dnl **********************************
1814         dnl *** Check for if_nametoindex   ***
1815         dnl **********************************
1816         AC_MSG_CHECKING(for if_nametoindex)
1817                 AC_TRY_LINK([
1818                 #include <stdio.h>
1819                 #include <sys/types.h>
1820                 #include <sys/socket.h>
1821                 #include <net/if.h>
1822         ], [
1823                 if_nametoindex(NULL);
1824         ], [
1825                 # Yes, we have it...
1826                 AC_MSG_RESULT(yes)
1827                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1828         ], [
1829                 AC_MSG_RESULT(no)
1830         ])
1831                         
1832         dnl **********************************
1833         dnl *** Checks for MonoPosixHelper ***
1834         dnl **********************************
1835         AC_CHECK_HEADERS(checklist.h)
1836         AC_CHECK_HEADERS(pathconf.h)
1837         AC_CHECK_HEADERS(fstab.h)
1838         AC_CHECK_HEADERS(attr/xattr.h)
1839         AC_CHECK_HEADERS(sys/extattr.h)
1840         AC_CHECK_HEADERS(sys/sendfile.h)
1841         AC_CHECK_HEADERS(sys/statvfs.h)
1842         AC_CHECK_HEADERS(sys/statfs.h)
1843         AC_CHECK_HEADERS(sys/vfstab.h)
1844         AC_CHECK_HEADERS(sys/xattr.h)
1845         AC_CHECK_HEADERS(sys/mman.h)
1846         AC_CHECK_HEADERS(sys/param.h)
1847         AC_CHECK_HEADERS(sys/mount.h, [], [],
1848                 [
1849                 #ifdef HAVE_SYS_PARAM_H
1850                 # include <sys/param.h>
1851                 #endif
1852                 ])
1853         AC_CHECK_HEADERS(sys/mount.h)
1854         AC_CHECK_FUNCS(confstr)
1855         AC_CHECK_FUNCS(seekdir telldir)
1856         AC_CHECK_FUNCS(getdomainname)
1857         AC_CHECK_FUNCS(setdomainname)
1858         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1859         AC_CHECK_FUNCS(setgroups)
1860         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1861         AC_CHECK_FUNCS(getfsstat)
1862         AC_CHECK_FUNCS(lutimes futimes)
1863         AC_CHECK_FUNCS(mremap)
1864         AC_CHECK_FUNCS(remap_file_pages)
1865         AC_CHECK_FUNCS(posix_fadvise)
1866         AC_CHECK_FUNCS(posix_fallocate)
1867         AC_CHECK_FUNCS(posix_madvise)
1868         AC_CHECK_FUNCS(vsnprintf)
1869         AC_CHECK_FUNCS(sendfile)
1870         AC_CHECK_FUNCS(gethostid sethostid)
1871         AC_CHECK_FUNCS(sethostname)
1872         AC_CHECK_FUNCS(statfs)
1873         AC_CHECK_FUNCS(fstatfs)
1874         AC_CHECK_FUNCS(statvfs)
1875         AC_CHECK_FUNCS(fstatvfs)
1876         AC_CHECK_FUNCS(stime)
1877         AC_CHECK_FUNCS(strerror_r)
1878         AC_CHECK_FUNCS(ttyname_r)
1879         AC_CHECK_FUNCS(psignal)
1880         AC_CHECK_FUNCS(getlogin_r)
1881         AC_CHECK_FUNCS(lockf)
1882         AC_CHECK_FUNCS(swab)
1883         AC_CHECK_FUNCS(setusershell endusershell)
1884         AC_CHECK_SIZEOF(size_t)
1885         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
1886                 [#include <sys/types.h>
1887                  #include <sys/stat.h>
1888                  #include <unistd.h>])
1889         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1890                 [#include <sys/types.h>
1891                  #include <sys/stat.h>
1892                  #include <unistd.h>])
1893         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1894                 [#include <sys/time.h>])
1895         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
1896                 [#include <unistd.h>
1897                  #include <fcntl.h>])
1898         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1899                 [#include <sys/poll.h>])
1900         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1901                 [#include <sys/types.h>
1902                  #include <sys/stat.h>
1903                  #include <unistd.h>])
1904         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
1905                 [#include <time.h>])
1906         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1907                 [#include <sys/time.h>
1908                  #include <sys/types.h>
1909                  #include <utime.h>])
1910         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1911                 [#include <sys/time.h>])
1912         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
1913                 [#include <sys/types.h>
1914                  #include <utime.h>])
1915         AC_CHECK_MEMBERS(
1916                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
1917                 [#include <sys/types.h>
1918                  #include <dirent.h>])
1919         AC_CHECK_MEMBERS(
1920                 [struct passwd.pw_gecos],,, 
1921                 [#include <sys/types.h>
1922                  #include <pwd.h>])
1923         AC_CHECK_MEMBERS(
1924                 [struct statfs.f_flags],,, 
1925                 [#include <sys/types.h>
1926                  #include <sys/vfs.h>])
1927
1928         dnl Favour xattr through glibc, but use libattr if we have to
1929         AC_CHECK_FUNC(lsetxattr, ,
1930                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1931         )
1932         AC_SUBST(XATTR_LIB)
1933
1934         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
1935         AC_CHECK_MEMBERS(
1936                 [struct kinfo_proc.kp_proc],,, 
1937                 [#include <sys/types.h>
1938                  #include <sys/param.h>
1939                  #include <sys/sysctl.h>
1940                  #include <sys/proc.h>
1941                  ])
1942
1943         dnl *********************************
1944         dnl *** Checks for Windows compilation ***
1945         dnl *********************************
1946         AC_CHECK_HEADERS(sys/time.h)
1947         AC_CHECK_HEADERS(sys/param.h)
1948         AC_CHECK_HEADERS(dirent.h)
1949
1950         dnl *********************************
1951         dnl *** Check for Console 2.0 I/O ***
1952         dnl *********************************
1953         AC_CHECK_HEADERS([curses.h])
1954         AC_CHECK_HEADERS([term.h], [], [],
1955         [#if HAVE_CURSES_H
1956          #include <curses.h>
1957          #endif
1958         ])
1959         AC_CHECK_HEADERS([termios.h])
1960
1961         dnl * This is provided in io-layer, but on windows it's only available
1962         dnl * on xp+
1963         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1964 else
1965         dnl *********************************
1966         dnl *** Checks for Windows compilation ***
1967         dnl *********************************
1968         AC_CHECK_HEADERS(winternl.h)
1969
1970         jdk_headers_found=no
1971         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1972         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1973         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1974         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
1975         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1976         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
1977         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
1978
1979         dnl *********************************
1980         dnl *** Check for struct ip_mreqn ***
1981         dnl *********************************
1982         AC_MSG_CHECKING(for struct ip_mreqn)
1983         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1984                 struct ip_mreqn mreq;
1985                 mreq.imr_address.s_addr = 0;
1986         ], [
1987                 # Yes, we have it...
1988                 AC_MSG_RESULT(yes)
1989                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1990         ], [
1991                 # We'll just have to try and use struct ip_mreq
1992                 AC_MSG_RESULT(no)
1993                 AC_MSG_CHECKING(for struct ip_mreq)
1994                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1995                         struct ip_mreq mreq;
1996                         mreq.imr_interface.s_addr = 0;
1997                 ], [
1998                         # Yes, we have it...
1999                         AC_MSG_RESULT(yes)
2000                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2001                 ], [
2002                         # No multicast support
2003                         AC_MSG_RESULT(no)
2004                 ])
2005         ])
2006         AC_CHECK_FUNCS(GetProcessId)
2007 fi
2008
2009 dnl socklen_t check
2010 AC_MSG_CHECKING(for socklen_t)
2011 AC_TRY_COMPILE([
2012 #include <sys/types.h>
2013 #include <sys/socket.h>
2014 ],[
2015   socklen_t foo;
2016 ],[
2017 ac_cv_c_socklen_t=yes
2018         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2019         AC_MSG_RESULT(yes)
2020 ],[
2021         AC_MSG_RESULT(no)
2022 ])
2023
2024 AC_MSG_CHECKING(for array element initializer support)
2025 AC_TRY_COMPILE([#include <sys/socket.h>], [
2026         const int array[] = {[1] = 2,};
2027 ], [
2028         # Yes, we have it...
2029         AC_MSG_RESULT(yes)
2030         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2031 ], [
2032         # We'll have to use signals
2033         AC_MSG_RESULT(no)
2034 ])
2035
2036 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2037         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2038         AC_TRY_LINK([#include <math.h>], 
2039         [ static void *p = &trunc; ],
2040         [
2041                 AC_DEFINE(HAVE_TRUNC) 
2042                 AC_MSG_RESULT(yes)
2043                 ac_cv_trunc=yes
2044         ],
2045         AC_MSG_RESULT(no)))
2046
2047 if test "x$ac_cv_truncl" != "xyes"; then
2048    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2049 fi
2050
2051 AC_CHECK_FUNCS(round)
2052 AC_CHECK_FUNCS(rint)
2053 AC_CHECK_FUNCS(execvp)
2054
2055 dnl ****************************
2056 dnl *** Look for /dev/random ***
2057 dnl ****************************
2058
2059 AC_MSG_CHECKING([if usage of random device is requested])
2060 AC_ARG_ENABLE(dev-random,
2061 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2062 try_dev_random=$enableval, try_dev_random=yes)
2063
2064 AC_MSG_RESULT($try_dev_random)
2065
2066 case "{$build}" in
2067     *-openbsd*)
2068     NAME_DEV_RANDOM="/dev/srandom"
2069     ;;
2070
2071 dnl Win32 does not have /dev/random, they have their own method...
2072
2073     *-mingw*|*-*-cygwin*)
2074     ac_cv_have_dev_random=no
2075     ;;
2076
2077 dnl Everywhere else, it's /dev/random
2078
2079     *)
2080     NAME_DEV_RANDOM="/dev/random"
2081     ;;
2082 esac
2083
2084 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2085
2086 dnl Now check if the device actually exists
2087
2088 if test "x$try_dev_random" = "xyes"; then
2089     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2090     [if test -r "$NAME_DEV_RANDOM" ; then
2091         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2092     if test "x$ac_cv_have_dev_random" = "xyes"; then
2093         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2094     fi
2095 else
2096     AC_MSG_CHECKING(for random device)
2097     ac_cv_have_dev_random=no
2098     AC_MSG_RESULT(has been disabled)
2099 fi
2100
2101 if test "x$host_win32" = "xyes"; then
2102     AC_DEFINE(HAVE_CRYPT_RNG)
2103 fi
2104
2105 if test "x$ac_cv_have_dev_random" = "xno" \
2106     && test "x$host_win32" = "xno"; then
2107     AC_MSG_WARN([[
2108 ***
2109 *** A system-provided entropy source was not found on this system.
2110 *** Because of this, the System.Security.Cryptography random number generator
2111 *** will throw a NotImplemented exception.
2112 ***
2113 *** If you are seeing this message, and you know your system DOES have an
2114 *** entropy collection in place, please contact <crichton@gimp.org> and
2115 *** provide information about the system and how to access the random device.
2116 ***
2117 *** Otherwise you can install either egd or prngd and set the environment
2118 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2119 ***]])
2120 fi
2121  
2122 AC_MSG_CHECKING([if inter-process shared handles are requested])
2123 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2124 AC_MSG_RESULT($try_shared_handles)
2125 if test "x$try_shared_handles" != "xyes"; then
2126         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2127         AC_SUBST(DISABLE_SHARED_HANDLES)
2128 fi
2129
2130 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2131
2132 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2133 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2134
2135 AC_MSG_CHECKING([if big-arrays are to be enabled])
2136 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2137 if test "x$enable_big_arrays" = "xyes" ; then
2138     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2139         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2140     else
2141         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2142     fi
2143 fi
2144 AC_MSG_RESULT($enable_big_arrays)
2145
2146 dnl **************
2147 dnl *** DTRACE ***
2148 dnl **************
2149
2150 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2151
2152 if test "x$enable_dtrace" = "xyes"; then
2153    if test "x$has_dtrace" = "xno"; then
2154           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2155    fi
2156    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2157    if test "x$DTRACE" = "xno"; then
2158           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2159           enable_dtrace=no
2160    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2161           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2162           enable_dtrace=no
2163    fi
2164 fi
2165
2166 dtrace_g=no
2167 if test "x$enable_dtrace" = "xyes"; then
2168         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2169         DTRACEFLAGS=
2170         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2171                 case "$host" in
2172                         powerpc-*-darwin*)
2173                         DTRACEFLAGS="-arch ppc64"
2174                         ;;
2175                         i*86-*-darwin*)
2176                         DTRACEFLAGS="-arch x86_64"
2177                         ;;
2178                         *)
2179                         DTRACEFLAGS=-64
2180                         ;;
2181                 esac
2182         else
2183                 case "$host" in
2184                         powerpc-*-darwin*)
2185                         DTRACEFLAGS="-arch ppc"
2186                         ;;
2187                         i*86-*-darwin*)
2188                         DTRACEFLAGS="-arch i386"
2189                         ;;
2190                         *)
2191                         DTRACEFLAGS=-32
2192                         ;;
2193                 esac
2194         fi
2195         AC_SUBST(DTRACEFLAGS)
2196         case "$host" in
2197                 *-*-solaris*)
2198                 dtrace_g=yes
2199                 ;;
2200         esac
2201         AC_CHECK_HEADERS([sys/sdt.h])
2202 fi
2203 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2204 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2205
2206 dnl **************
2207 dnl ***  NaCl  ***
2208 dnl **************
2209
2210 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2211 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2212
2213 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2214 if test "x$enable_nacl_codegen" = "xyes"; then
2215    MONO_NACL_ALIGN_MASK_OFF=1
2216    CPPFLAGS="$CPPFLAGS -D__native_client_codegen__"
2217    AC_DEFINE(TARGET_NACL, 1, [...])
2218 else
2219    MONO_NACL_ALIGN_MASK_OFF=0
2220    CPPFLAGS="$CPPFLAGS -D__default_codegen__"
2221 fi
2222 if test "x$enable_nacl_gc" = "xyes"; then
2223    CPPFLAGS="$CPPFLAGS -finstrument-for-thread-suspension -D__native_client_gc__"
2224 fi
2225 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2226
2227 dnl **************
2228 dnl ***  LLVM  ***
2229 dnl **************
2230
2231 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2232 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2233
2234 if test "x$enable_llvm" = "xyes"; then
2235    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2236    if test "x$LLVM_CONFIG" = "xno"; then
2237           AC_MSG_ERROR([llvm-config not found.])
2238    fi
2239
2240    llvm_codegen="x86codegen"
2241    case "$target" in
2242    arm*)
2243                 llvm_codegen="armcodegen"
2244                 ;;
2245    esac
2246
2247
2248    # The output of --cflags seems to include optimizations flags too
2249    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2250    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2251    # from LLVM classes.
2252    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2253    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2254    LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2255    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2256
2257    # Should be something like '2.6' or '2.7svn'
2258    llvm_version=`$LLVM_CONFIG --version`
2259    major_version=`echo $llvm_version | cut -c 1`
2260    minor_version=`echo $llvm_version | cut -c 3`
2261    AC_MSG_CHECKING(LLVM version)
2262    AC_MSG_RESULT($llvm_version)
2263    if echo $llvm_version | grep -q 'mono'; then
2264           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2265           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"       
2266    else
2267           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.])
2268    fi
2269
2270    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2271    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2272    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2273
2274    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2275    # llvm's config.h
2276    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2277
2278    AC_SUBST(LLVM_CFLAGS)
2279    AC_SUBST(LLVM_CXXFLAGS)
2280    AC_SUBST(LLVM_LIBS)
2281    AC_SUBST(LLVM_LDFLAGS)
2282    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2283 fi
2284
2285 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2286 if test "x$enable_loadedllvm" = "xyes"; then
2287    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2288 fi
2289 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2290
2291 TARGET="unknown"
2292 ACCESS_UNALIGNED="yes"
2293
2294 JIT_SUPPORTED=no
2295 INTERP_SUPPORTED=no
2296 LIBC="libc.so.6"
2297 INTL="libc.so.6"
2298 SQLITE="libsqlite.so.0"
2299 SQLITE3="libsqlite3.so.0"
2300 X11="libX11.so"
2301
2302 sizeof_register="SIZEOF_VOID_P"
2303
2304 jit_wanted=true
2305 interp_wanted=false
2306 sgen_supported=false
2307 case "$host" in
2308 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
2309 #               TARGET=MIPS;
2310 #               ACCESS_UNALIGNED="no"
2311 #               ;;
2312         mips*)
2313                 TARGET=MIPS;
2314                 arch_target=mips;
2315                 sgen_supported=true
2316                 ACCESS_UNALIGNED="no"
2317                 JIT_SUPPORTED=yes
2318
2319                 AC_MSG_CHECKING(for mips n32)
2320                 AC_TRY_COMPILE([],[
2321                 #if _MIPS_SIM != _ABIN32
2322                 #error Not mips n32
2323                 #endif
2324                 return 0;
2325                 ],[
2326                 AC_MSG_RESULT(yes)
2327                 sizeof_register=8
2328                 ],[
2329                 AC_MSG_RESULT(no)
2330                 ])
2331                 ;;
2332         i*86-*-*)
2333                 TARGET=X86;
2334                 arch_target=x86;
2335                 JIT_SUPPORTED=yes
2336                 case $host_os in
2337                   solaris*)
2338                         LIBC="libc.so"
2339                         INTL="libintl.so"
2340                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2341                                 TARGET=AMD64
2342                                 arch_target=amd64
2343                         fi
2344
2345                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2346                         # int astruct __attribute__ ((visibility ("hidden")));
2347                         # void foo ()
2348                         # {
2349                         #       void *p = &astruct;
2350                         # }
2351                         # gcc -fPIC --shared -o libfoo.so foo.c
2352                         # yields:
2353                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2354                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2355                         have_visibility_hidden=no
2356                         sgen_supported=true
2357                         ;;
2358                   cygwin*)
2359                         sgen_supported=true
2360                         have_visibility_hidden=no                 
2361                         ;;
2362                   haiku*)
2363                         LIBC=libroot.so
2364                         ;;
2365                   linux*)
2366                         sgen_supported=true
2367                         AOT_SUPPORTED="yes"
2368                         ;;
2369                   darwin*)
2370                         sgen_supported=true
2371                         AOT_SUPPORTED="yes"
2372                         ;;
2373                   darwin*|openbsd*|freebsd*)
2374                         sgen_supported=true
2375                         ;;
2376                 esac
2377                 ;;
2378         x86_64-*-* | amd64-*-*)
2379                 TARGET=AMD64;
2380                 arch_target=amd64;
2381                 JIT_SUPPORTED=yes
2382                 case $host_os in
2383                   linux*)
2384                         sgen_supported=true
2385                         AOT_SUPPORTED="yes"
2386                         ;;
2387                   darwin*|openbsd*|freebsd*)
2388                         sgen_supported=true
2389                         ;;
2390                 esac
2391                 case "$host" in
2392                         x86_64-*-nacl*)
2393                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2394                                 sizeof_register=8
2395                                 ;;
2396                 esac
2397                 ;;
2398         ia64-*-*)
2399                 TARGET=IA64
2400                 arch_target=ia64
2401                 ACCESS_UNALIGNED="no"
2402                 JIT_SUPPORTED=yes
2403                 LIBC="libc.so.6.1"
2404                 INTL="libc.so.6.1"
2405                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2406                 libmono_ldflags="-lunwind"
2407                 ;;
2408         sparc*-*-*)
2409                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2410                    TARGET=SPARC64
2411                 else
2412                         TARGET=SPARC
2413                 fi
2414                 arch_target=sparc;
2415                 JIT_SUPPORTED=yes
2416                 ACCESS_UNALIGNED="no"
2417                 case $host_os in
2418                   linux*) ;;
2419                   *)
2420                         LIBC="libc.so"
2421                         INTL="libintl.so"
2422                 esac
2423                 if test x"$GCC" = xyes; then
2424                         # We don't support v8 cpus
2425                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2426                 fi
2427                 if test x"$AR" = xfalse; then
2428                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2429                 fi
2430                 sgen_supported=true
2431                 ;;
2432        alpha*-*-linux* | alpha*-*-osf*)
2433                 TARGET=ALPHA;
2434                 ACCESS_UNALIGNED="no"
2435                 JIT_SUPPORTED=yes
2436                 arch_target=alpha;
2437                 CFLAGS="$CFLAGS -mieee -O0"
2438                 case $host_os in
2439                   linux*)
2440                         LIBC="libc.so.6.1"
2441                         INTL="libc.so.6.1"
2442                 esac
2443                ;;
2444         *-mingw*|*-*-cygwin*)
2445                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2446                 have_visibility_hidden=no
2447                 INTL="intl"
2448                 ;;
2449         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
2450                 TARGET=HPPA;
2451                 arch_target=hppa; 
2452                 LIBC="libc.sl"
2453                 ACCESS_UNALIGNED="no"
2454                 INTERP_SUPPORTED=yes
2455                 interp_wanted=true
2456                 ;;
2457         hppa*linux*)
2458                 TARGET=HPPA;
2459                 arch_target=hppa; 
2460                 ACCESS_UNALIGNED="no"
2461                 JIT_SUPPORTED=yes
2462                 ;;
2463         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2464         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2465                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2466                         TARGET=POWERPC64;
2467                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2468                         CFLAGS="$CFLAGS -mminimal-toc"
2469                 else
2470                         TARGET=POWERPC;
2471                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2472                 fi
2473                 arch_target=ppc;
2474                 JIT_SUPPORTED=yes
2475                 case $host_os in
2476                   linux*|darwin*)
2477                         sgen_supported=true
2478                         ;;
2479                 esac
2480                 ;;
2481         arm*-darwin*)
2482                 TARGET=ARM;
2483                 arch_target=arm;
2484                 ACCESS_UNALIGNED="no"
2485                 JIT_SUPPORTED=yes
2486                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2487                 # libgc's gc_locks.h depends on this
2488             NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2489                 sgen_supported=true
2490                 ;;
2491         arm*-linux*)
2492                 TARGET=ARM;
2493                 arch_target=arm;
2494                 ACCESS_UNALIGNED="no"
2495                 JIT_SUPPORTED=yes
2496                 sgen_supported=true
2497                 AOT_SUPPORTED="yes"
2498                 if test "x$cross_compiling" != "xno"; then
2499                    # Provide sane defaults when cross-compiling
2500                    CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2501                    NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2502                 fi
2503                 ;;
2504         s390-*-linux*)
2505                 TARGET=S390;
2506                 arch_target=s390;
2507                 ACCESS_UNALIGNED="yes"
2508                 JIT_SUPPORTED=yes
2509                 sgen_supported=true
2510                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
2511                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2512                 ;;
2513         s390x-*-linux*)
2514                 TARGET=S390x;
2515                 arch_target=s390x;
2516                 ACCESS_UNALIGNED="yes"
2517                 JIT_SUPPORTED=yes
2518                 sgen_supported=true
2519                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2520                 ;;
2521 esac
2522
2523 HOST=$TARGET
2524
2525 if test "x$host" != "x$target"; then
2526    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2527    enable_mcs_build=no
2528    case "$target" in
2529    arm*-darwin*)
2530                 TARGET=ARM;
2531                 arch_target=arm;
2532                 ACCESS_UNALIGNED="no"
2533                 JIT_SUPPORTED=yes
2534                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2535                 jit_wanted=true
2536                 # Can't use tls, since it depends on the runtime detection of tls offsets
2537                 # in mono-compiler.h
2538                 with_tls=pthread
2539                 ;;
2540    powerpc64-ps3-linux-gnu)
2541                 TARGET=POWERPC64
2542                 arch_target=powerpc64
2543                 AC_DEFINE(TARGET_PS3, 1, [...])
2544                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2545                 # uses this define
2546                 AC_DEFINE(__mono_ppc64__, 1, [...])
2547                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2548                 sizeof_register=8
2549                 target_byte_order=G_BIG_ENDIAN
2550                 ;;
2551
2552    powerpc64-xbox360-linux-gnu)
2553                 TARGET=POWERPC64
2554                 arch_target=powerpc64
2555                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2556                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2557                 # uses this define
2558                 sizeof_register=8
2559                 target_byte_order=G_BIG_ENDIAN
2560                 ;;
2561    x86_64-*-nacl)
2562                 TARGET=AMD64
2563                 arch_target=amd64
2564                 AC_DEFINE(TARGET_AMD64, 1, [...])
2565                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2566                 sizeof_register=8
2567                 ;;
2568    *-*-nacl)
2569                 TARGET=X86
2570                 arch_target=x86
2571                 AC_DEFINE(TARGET_X86, 1, [...])
2572                 sizeof_register=4
2573                 ;;
2574    arm*-unknown-linux-*)
2575                 TARGET=ARM;
2576                 arch_target=arm;
2577                 AC_DEFINE(TARGET_ARM, 1, [...])
2578                 ACCESS_UNALIGNED="no"
2579                 JIT_SUPPORTED=yes
2580                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2581                 jit_wanted=true
2582                 # Can't use tls, since it depends on the runtime detection of tls offsets
2583                 # in mono-compiler.h
2584                 with_tls=pthread
2585                 target_mach=no
2586                 case "$target" in
2587                 armv7l-unknown-linux-gnueabi*)
2588                         # TEGRA
2589                         CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1"
2590                         ;;
2591                 armv5-*-linux-androideabi*)
2592                         AC_DEFINE(TARGET_ANDROID, 1, [...])
2593                         CPPFLAGS="$CPPFLAGS -DARM_FPU_NONE"
2594                         ;;
2595                 esac
2596                 ;;
2597         *)
2598                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2599         esac
2600 fi
2601
2602 # FIXME: Define the others as well
2603 case "$TARGET" in
2604 X86)
2605         AC_DEFINE(TARGET_X86, 1, [...])
2606         ;;
2607 AMD64)
2608         AC_DEFINE(TARGET_AMD64, 1, [...])
2609         ;;
2610 ARM)
2611         AC_DEFINE(TARGET_ARM, 1, [...])
2612         ;;
2613 POWERPC)
2614         AC_DEFINE(TARGET_POWERPC, 1, [...])
2615         ;;
2616 POWERPC64)
2617         AC_DEFINE(TARGET_POWERPC, 1, [...])
2618         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2619         ;;
2620 S390x)
2621         AC_DEFINE(TARGET_S390X, 1, [...])
2622         ;;
2623 MIPS)
2624         AC_DEFINE(TARGET_MIPS, 1, [...])
2625         ;;
2626 esac
2627
2628 if test "x$target_mach" = "xyes"; then
2629         AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2630         #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2631         #error fail this for ios
2632         #endif
2633         return 0;
2634         ], [
2635                 AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2636                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2637                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2638         ], [
2639                 AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2640                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2641                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2642         ])
2643
2644    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2645 fi
2646
2647 if test "x$sizeof_register" = "x4"; then
2648    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2649 elif test "x$sizeof_register" = "x8"; then
2650    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2651 else
2652    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2653 fi
2654
2655 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2656    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2657 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2658    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2659 else
2660    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2661 fi
2662
2663 if test "x$have_visibility_hidden" = "xyes"; then
2664    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2665 fi
2666
2667 if test "x$have_deprecated" = "xyes"; then
2668    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2669 fi
2670
2671 dnl 
2672 dnl Simple Generational checks (sgen)
2673 dnl
2674 if $sgen_supported; then
2675    build_sgen_default=yes
2676 else
2677    build_sgen_default=no
2678 fi
2679 SGEN_DEFINES=
2680 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2681 if test x$buildsgen = xyes; then
2682    if $sgen_supported; then
2683        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2684        gc_msg="sgen and $gc_msg"
2685    else
2686        buildsgen=no
2687        AC_MSG_WARN("Sgen is not supported on this platform")
2688    fi
2689 fi
2690 AC_SUBST(SGEN_DEFINES)
2691 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2692
2693 USEJIT=false
2694 if test x$JIT_SUPPORTED = xyes; then
2695    if $jit_wanted; then
2696       USEJIT=true
2697       jit_status="Building and using the JIT"
2698    else
2699       if $interp_wanted; then
2700          jit_status="Building the JIT, defaulting to the interpreter"
2701       else
2702          AC_ERROR(No JIT or interpreter support available or selected.)
2703       fi
2704    fi
2705 else
2706    if test x$interp_wanted = xtrue; then
2707       jit_status="interpreter"
2708    else
2709       AC_ERROR(No JIT or interpreter support available or selected.)
2710    fi
2711 fi
2712
2713 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2714
2715 libsuffix=".so"
2716
2717 case "$host" in
2718      *-*-darwin*)
2719         libsuffix=".dylib"
2720         LIBC="libc.dylib"
2721         INTL="libintl.dylib"
2722         SQLITE="libsqlite.0.dylib"
2723         SQLITE3="libsqlite3.0.dylib"
2724         X11="libX11.dylib"
2725         ;;
2726      *-*-*netbsd*)
2727         LIBC="libc.so.12"
2728         INTL="libintl.so.0"
2729         ;;
2730     *-*-*freebsd*)
2731         LIBC="libc.so"
2732         INTL="libintl.so"
2733         SQLITE="libsqlite.so"
2734         SQLITE3="libsqlite3.so"
2735         ;;
2736     *-*-*openbsd*)
2737         LIBC="libc.so"
2738         INTL="libintl.so"
2739         SQLITE="libsqlite.so"
2740         SQLITE3="libsqlite3.so"
2741         ;;
2742     *-*-*linux*)
2743         AC_PATH_X
2744         AC_MSG_CHECKING(for the soname of libX11.so)
2745         for i in $x_libraries /usr/lib /usr/lib64; do
2746                 for r in 4 5 6; do
2747                         if test -f $i/libX11.so.$r; then
2748                                 X11=libX11.so.$r
2749                                 AC_MSG_RESULT($X11)
2750                         fi
2751                 done
2752         done
2753         
2754         if test "x$X11" = "xlibX11.so"; then
2755                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2756                 X11=libX11.so.6
2757         fi
2758         ;;
2759 esac
2760
2761
2762 AC_SUBST(libsuffix)
2763
2764 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2765         if test "x$with_tls" = "x__thread"; then
2766                 #
2767                 # On some linux distributions, TLS works in executables, but linking 
2768                 # against a shared library containing TLS fails with:
2769                 # undefined reference to `__tls_get_addr'
2770                 #
2771                 rm -f conftest.c conftest.so conftest
2772                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
2773                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2774                 $CC -o conftest conftest.so > /dev/null 2>&1
2775                 if test ! -f conftest; then
2776                    AC_MSG_WARN([Disabling usage of __thread.]);
2777                    with_tls=pthread
2778                 fi
2779                 rm -f conftest.c conftest.so conftest
2780         fi
2781 fi
2782
2783 mono_debugger_supported=no
2784 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
2785 if test "x$try_mono_debugger" = "xyes"; then
2786         if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA" -o "x$TARGET" = "xS390x"; then
2787                 if test x$use_included_gc = xyes; then
2788                         case "$host" in
2789                         *-*-*linux*)
2790                                 mono_debugger_supported=yes
2791                                 ;;
2792                         *86-apple-darwin*)
2793                                 mono_debugger_supported=yes
2794                                 ;;              
2795                         esac
2796                 fi
2797         fi
2798 fi
2799
2800 # disable the debugger entirely when building with moonlight
2801 if test "x$with_moonlight" != "xno"; then
2802         mono_debugger_supported=no
2803 fi
2804
2805 # mdb support for sgen is broken, disable it until further notice.
2806 mono_debugger_supported=no
2807
2808 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2809 if test "x$mono_debugger_supported" = "xyes"; then
2810         BOEHM_DEFINES="$BOEHM_DEFINES -DMONO_DEBUGGER_SUPPORTED"
2811         NESTED_LIBGC_FLAGS="-DMONO_DEBUGGER_SUPPORTED"
2812 fi
2813 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2814 AC_MSG_RESULT($mono_debugger_supported)
2815
2816 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
2817 if test "x$icall_symbol_map" = "xyes"; then
2818    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
2819 fi
2820
2821 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
2822 if test "x$icall_export" = "xyes"; then
2823    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
2824 fi
2825
2826 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
2827 if test "x$icall_tables" = "xno"; then
2828    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
2829 fi
2830
2831 if test "x$mono_cv_clang" = "xyes"; then
2832    # FIXME: This causes many compilation errors
2833    with_tls=pthread
2834 fi
2835
2836 if test "x$with_tls" = "x__thread"; then
2837         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2838         # Pass the information to libgc
2839         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2840         AC_MSG_CHECKING(if the tls_model attribute is supported)
2841         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2842                 ], [
2843                         AC_MSG_RESULT(yes)
2844                         # CLANG doesn't support this yet, and it prints warnings about it
2845                         if test "x$mono_cv_clang" = "xno"; then
2846                                 AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
2847                         fi
2848                 ], [
2849                         AC_MSG_RESULT(no)
2850         ])
2851 fi
2852
2853 if test ${TARGET} = ARM && test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2854         dnl ******************************************
2855         dnl *** Check to see what FPU is available ***
2856         dnl ******************************************
2857         AC_MSG_CHECKING(which FPU to use)
2858
2859         fpu=NONE
2860         if gcc -v 2>&1 | grep -q -- '--with-float=hard'; then
2861            fpu=VFP_HARD
2862         fi
2863
2864         if test x$fpu = xNONE; then
2865            ORIG_CFLAGS=$CFLAGS
2866            CFLAGS="$CFLAGS -mfpu=vfp -mfloat-abi=softfp"
2867            AC_TRY_RUN([
2868                                 int main () { __asm__ ("faddd   d7, d6, d7"); return 0; }
2869                                 ], fpu=VFP, fpu=NONE)
2870            CFLAGS=$ORIG_CFLAGS
2871         fi
2872
2873         if test x$fpu = xNONE; then
2874                 AC_TRY_COMPILE([], [
2875                         __asm__ ("ldfd f0, [r0]");
2876                         ], fpu=FPA, fpu=NONE)
2877         fi
2878
2879         AC_MSG_RESULT($fpu)
2880         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
2881         unset fpu
2882
2883         AC_MSG_CHECKING(for ARMV6)
2884         AC_TRY_RUN([
2885                 int main () { __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : "memory"); return 0; }
2886                         ], armv6=yes, armv6=no)
2887
2888         AC_MSG_RESULT($armv6)
2889         if test ${armv6} = yes; then
2890            AC_DEFINE(HAVE_ARMV6, 1, "Host supports ARMV6 instructions")
2891            # libgc's gc_locks.h depends on this
2892            NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2893         fi
2894 fi
2895
2896 if test ${TARGET} = ARM; then
2897         if test "x${with_jumptables}" = "xyes"; then
2898                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
2899         fi
2900 fi
2901
2902 if test ${TARGET} = unknown; then
2903         CPPFLAGS="$CPPFLAGS -DNO_PORT"
2904         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
2905 fi
2906
2907 if test ${ACCESS_UNALIGNED} = no; then
2908         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
2909 fi
2910
2911 case "x$gc" in
2912         xincluded)
2913                 # Pass CPPFLAGS to libgc configure
2914                 # We should use a separate variable for this to avoid passing useless and
2915                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
2916                 # This should be executed late so we pick up the final version of CPPFLAGS
2917                 # The problem with this approach, is that during a reconfigure, the main
2918                 # configure scripts gets invoked with these arguments, so we use separate
2919                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
2920                 TMP_CPPFLAGS="$CPPFLAGS $NESTED_LIBGC_FLAGS"
2921                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
2922                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
2923                 fi
2924                 # Don't pass -finstrument-for-thread-suspension in, 
2925                 # if these are instrumented it will be very bad news 
2926                 # (infinite recursion, undefined parking behavior, etc)
2927                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
2928                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
2929                 AC_CONFIG_SUBDIRS(libgc)
2930                 ;;
2931 esac
2932
2933 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
2934 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
2935 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
2936 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
2937 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
2938 AC_ARG_WITH(mobile,    [  --with-mobile=yes,no            If you want to build the Mobile assemblies (defaults to no)],        [], [with_mobile=no])
2939
2940 OPROFILE=no
2941 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
2942         if test x$with_oprofile != xno; then
2943             oprofile_include=$with_oprofile/include
2944             if test ! -f $oprofile_include/opagent.h; then
2945                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
2946                 fi
2947             OPROFILE=yes
2948                 OPROFILE_CFLAGS="-I$oprofile_include"
2949             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
2950             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
2951         fi
2952 ])
2953
2954 MALLOC_MEMPOOLS=no
2955 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
2956         if test x$with_malloc_mempools = xyes; then
2957                 MALLOC_MEMPOOLS=yes
2958                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
2959         fi
2960 ])
2961
2962
2963 DISABLE_MCS_DOCS=no
2964 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
2965         if test x$with_mcs_docs != xyes; then
2966                 DISABLE_MCS_DOCS=yes
2967         fi
2968 ])
2969 if test x$with_profile4 != xyes; then
2970         DISABLE_MCS_DOCS=yes
2971 fi
2972
2973 MOONLIGHT_DEFINES=
2974 AC_ARG_WITH(moonlight, [  --with-moonlight=yes|no|only         If you want to build Mono for Moonlight (defaults to no)],[
2975         if test x$with_moonlight != xno; then
2976         MOONLIGHT_DEFINES="-DMOONLIGHT -DDISABLE_ASSEMBLY_REMAPPING "
2977         fi
2978 ], [with_moonlight=no])
2979 AC_SUBST(MOONLIGHT_DEFINES)
2980
2981 AC_ARG_WITH(moon_gc, [  --with-moon-gc=boehm,sgen               Select the gc to use with Moonlight (defaults to boehm)],[
2982         if test "x$with_moon_gc" != "xsgen"; then
2983                 with_moon_gc=boehm
2984         fi
2985 ], [with_moon_gc=boehm])
2986
2987 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)],[
2988         if test x$with_lazy_gc_thread_creation != xno ; then
2989                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
2990         fi
2991 ], [with_lazy_gc_thread_creation=no])
2992
2993 AC_CHECK_HEADER([malloc.h], 
2994                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
2995                         [Define to 1 if you have /usr/include/malloc.h.])],,)
2996
2997 if test x"$GCC" = xyes; then
2998         # Implicit function declarations are not 64 bit safe
2999         # Do this late, since this causes lots of configure tests to fail
3000         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3001         # jay has a lot of implicit declarations
3002         JAY_CFLAGS="-Wno-implicit-function-declaration"
3003 fi
3004
3005 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3006 # instead of libmono-static.a
3007 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3008    LIBMONO_LA=libmini-static.la
3009 else
3010    LIBMONO_LA=libmono-$API_VER.la
3011 fi
3012 AC_SUBST(LIBMONO_LA)
3013
3014 dnl
3015 dnl Consistency settings
3016 dnl
3017 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3018    DISABLE_MCS_DOCS=yes
3019    with_profile2=no
3020    with_profile4=no
3021    with_profile4_5=no
3022    with_monodroid=no
3023    with_monotouch=no
3024 fi
3025
3026 if test x$DISABLE_MCS_DOCS = xyes; then
3027    docs_dir=""
3028 else
3029    docs_dir=docs
3030 fi
3031 AC_SUBST(docs_dir)
3032
3033 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3034 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3035
3036 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3037 AC_SUBST(OPROFILE_CFLAGS)
3038 AC_SUBST(OPROFILE_LIBS)
3039
3040 libmono_ldflags="$libmono_ldflags $LIBS"
3041
3042 AM_CONDITIONAL(MOONLIGHT, [test "x$with_moonlight" != "xno"])
3043
3044 AM_CONDITIONAL(ONLY_MOONLIGHT, [test "x$with_moonlight" = "xonly"])
3045 AM_CONDITIONAL(MOONLIGHT_BOEHM, [test "x$with_moon_gc" = "xboehm"])
3046 AM_CONDITIONAL(MOONLIGHT_SGEN, [test "x$with_moon_gc" = "xsgen"])
3047
3048 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3049 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3050 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3051 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3052 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3053 AM_CONDITIONAL(INSTALL_MOBILE, [test "x$with_mobile" = xyes])
3054 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3055
3056 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3057 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3058 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3059 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3060 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3061 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3062 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
3063 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3064 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
3065 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3066 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3067 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3068 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3069 AM_CONDITIONAL(S390, test x$TARGET = xS390)
3070 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
3071 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
3072 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3073 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3074 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3075 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3076
3077 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3078 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3079 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3080
3081 AC_SUBST(LIBC)
3082 AC_SUBST(INTL)
3083 AC_SUBST(SQLITE)
3084 AC_SUBST(SQLITE3)
3085 AC_SUBST(X11)
3086 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3087 AC_SUBST(arch_target)
3088 AC_SUBST(CFLAGS)
3089 AC_SUBST(CPPFLAGS)
3090 AC_SUBST(LDFLAGS)
3091
3092 mono_build_root=`pwd`
3093 AC_SUBST(mono_build_root)
3094
3095 if test x$USEJIT = xtrue; then
3096   mono_runtime=mono/mini/mono
3097 else
3098   mono_runtime=mono/interpreter/mint
3099 fi
3100 AC_SUBST(mono_runtime)
3101
3102 mono_cfg_root=$mono_build_root/runtime
3103 if test x$host_win32 = xyes; then
3104   if test "x$cross_compiling" = "xno"; then
3105     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3106   else
3107     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3108   fi
3109 else
3110   mono_cfg_dir=$mono_cfg_root/etc
3111 fi
3112 AC_SUBST(mono_cfg_dir)
3113
3114 AC_CONFIG_FILES([po/mcs/Makefile.in])
3115
3116 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3117 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3118
3119 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3120 [   depth=../../../..
3121     case $srcdir in
3122     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3123     .) reldir=$depth ;;
3124     *) reldir=$depth/$srcdir ;;
3125     esac
3126     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3127     cd runtime/etc/mono/1.0
3128     rm -f machine.config
3129     $LN_S $reldir/data/net_1_1/machine.config machine.config
3130     cd $depth
3131 ],[LN_S='$LN_S'])
3132
3133 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3134 [   depth=../../../..
3135     case $srcdir in
3136     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3137     .) reldir=$depth ;;
3138     *) reldir=$depth/$srcdir ;;
3139     esac
3140     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3141     cd runtime/etc/mono/2.0
3142     rm -f machine.config
3143     $LN_S $reldir/data/net_2_0/machine.config machine.config
3144     cd $depth
3145 ],[LN_S='$LN_S'])
3146
3147 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3148 [   depth=../../../..
3149     case $srcdir in
3150     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3151     .) reldir=$depth ;;
3152     *) reldir=$depth/$srcdir ;;
3153     esac
3154     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3155     cd runtime/etc/mono/2.0
3156     rm -f web.config
3157     $LN_S $reldir/data/net_2_0/web.config web.config
3158     cd $depth
3159 ],[LN_S='$LN_S'])
3160
3161 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3162 [   depth=../../..
3163     case $srcdir in
3164     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3165     .) reldir=$depth ;;
3166     *) reldir=$depth/$srcdir ;;
3167     esac
3168     $ac_aux_dir/install-sh -d runtime/etc/mono/
3169     cd runtime/etc/mono/
3170     rm -f browscap.ini
3171     $LN_S $reldir/data/browscap.ini browscap.ini
3172     cd $depth
3173 ],[LN_S='$LN_S'])
3174
3175 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3176 [   depth=../../../../..
3177     case $srcdir in
3178     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3179     .) reldir=$depth ;;
3180     *) reldir=$depth/$srcdir ;;
3181     esac
3182     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3183     cd runtime/etc/mono/2.0/Browsers
3184     rm -f Compat.browser
3185     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
3186     cd $depth
3187 ],[LN_S='$LN_S'])
3188
3189 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3190 [   depth=../../../..
3191     case $srcdir in
3192     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3193     .) reldir=$depth ;;
3194     *) reldir=$depth/$srcdir ;;
3195     esac
3196     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3197     cd runtime/etc/mono/4.0
3198     rm -f machine.config
3199     $LN_S $reldir/data/net_4_0/machine.config machine.config
3200     cd $depth
3201 ],[LN_S='$LN_S'])
3202
3203 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3204 [   depth=../../../..
3205     case $srcdir in
3206     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3207     .) reldir=$depth ;;
3208     *) reldir=$depth/$srcdir ;;
3209     esac
3210     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3211     cd runtime/etc/mono/4.0
3212     rm -f web.config
3213     $LN_S $reldir/data/net_4_0/web.config web.config
3214     cd $depth
3215 ],[LN_S='$LN_S'])
3216
3217 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3218 [   depth=../../../..
3219     case $srcdir in
3220     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3221     .) reldir=$depth ;;
3222     *) reldir=$depth/$srcdir ;;
3223     esac
3224     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3225     cd runtime/etc/mono/4.5
3226     rm -f machine.config
3227     $LN_S $reldir/data/net_4_5/machine.config machine.config
3228     cd $depth
3229 ],[LN_S='$LN_S'])
3230
3231 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3232 [   depth=../../../..
3233     case $srcdir in
3234     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3235     .) reldir=$depth ;;
3236     *) reldir=$depth/$srcdir ;;
3237     esac
3238     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3239     cd runtime/etc/mono/4.5
3240     rm -f web.config
3241     $LN_S $reldir/data/net_4_5/web.config web.config
3242     cd $depth
3243 ],[LN_S='$LN_S'])
3244
3245 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])
3246
3247 AC_OUTPUT([
3248 Makefile
3249 mono-core.spec
3250 mono-uninstalled.pc
3251 scripts/mono-find-provides
3252 scripts/mono-find-requires
3253 mono/Makefile
3254 mono/utils/Makefile
3255 mono/metadata/Makefile
3256 mono/dis/Makefile
3257 mono/cil/Makefile
3258 mono/arch/Makefile
3259 mono/arch/x86/Makefile
3260 mono/arch/amd64/Makefile
3261 mono/arch/hppa/Makefile
3262 mono/arch/ppc/Makefile
3263 mono/arch/sparc/Makefile
3264 mono/arch/s390/Makefile
3265 mono/arch/s390x/Makefile
3266 mono/arch/arm/Makefile
3267 mono/arch/alpha/Makefile
3268 mono/arch/ia64/Makefile
3269 mono/arch/mips/Makefile
3270 mono/interpreter/Makefile
3271 mono/tests/Makefile
3272 mono/tests/tests-config
3273 mono/tests/assemblyresolve/Makefile
3274 mono/tests/cas/Makefile
3275 mono/tests/cas/assembly/Makefile
3276 mono/tests/cas/demand/Makefile
3277 mono/tests/cas/inheritance/Makefile
3278 mono/tests/cas/linkdemand/Makefile
3279 mono/tests/cas/threads/Makefile
3280 mono/benchmark/Makefile
3281 mono/monograph/Makefile
3282 mono/io-layer/Makefile
3283 mono/mini/Makefile
3284 mono/profiler/Makefile
3285 m4/Makefile
3286 ikvm-native/Makefile
3287 scripts/Makefile
3288 man/Makefile
3289 docs/Makefile
3290 data/Makefile
3291 data/net_2_0/Makefile
3292 data/net_4_0/Makefile
3293 data/net_4_5/Makefile
3294 data/net_2_0/Browsers/Makefile
3295 data/mint.pc
3296 data/mono-2.pc
3297 data/monosgen-2.pc
3298 data/mono.pc
3299 data/mono-cairo.pc
3300 data/mono-nunit.pc
3301 data/mono-options.pc
3302 data/mono-lineeditor.pc
3303 data/monodoc.pc
3304 data/mono.web.pc
3305 data/dotnet.pc
3306 data/dotnet35.pc
3307 data/wcf.pc
3308 data/cecil.pc
3309 data/system.web.extensions_1.0.pc
3310 data/system.web.extensions.design_1.0.pc
3311 data/system.web.mvc.pc
3312 data/system.web.mvc2.pc
3313 data/system.web.mvc3.pc
3314 data/aspnetwebstack.pc
3315 data/reactive.pc
3316 samples/Makefile
3317 support/Makefile
3318 data/config
3319 tools/Makefile
3320 tools/locale-builder/Makefile
3321 tools/sgen/Makefile
3322 runtime/Makefile
3323 msvc/Makefile
3324 po/Makefile
3325 ])
3326
3327 # Update all submodules recursively to ensure everything is checked out
3328 $srcdir/scripts/update_submodules
3329
3330 if test x$host_win32 = xyes; then
3331    # Get rid of 'cyg' prefixes in library names
3332    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3333    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3334    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3335    # executable doesn't work...
3336    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3337 fi
3338
3339 (
3340   case $prefix in
3341   NONE) prefix=$ac_default_prefix ;;
3342   esac
3343   case $exec_prefix in
3344   NONE) exec_prefix='${prefix}' ;;
3345   esac
3346
3347   #
3348   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3349   # any existing config.make.  This allows people to share the same source tree
3350   # with different build directories, one native and one cross
3351   #
3352   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3353
3354     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3355
3356     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3357     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3358     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3359     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3360     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3361     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3362     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3363     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3364
3365     case $INSTALL in
3366     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3367     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3368     esac
3369
3370     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3371
3372     export VERSION
3373     [myver=$($AWK 'BEGIN {
3374       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3375       if(length(vsplit [1]) > 4) {
3376         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3377       }
3378       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3379     }')]
3380
3381     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3382
3383     if test x$platform_darwin = xyes; then
3384       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3385     fi
3386
3387         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3388            enable_system_aot=yes
3389         fi
3390
3391         if test "x$enable_loadedllvm" = "xyes"; then
3392            # This seems to fail on the x86 buildbots
3393            enable_system_aot=no
3394         fi
3395
3396     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3397       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3398     fi
3399
3400     if test x$DISABLE_MCS_DOCS = xyes; then
3401       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3402     fi
3403
3404     if test x$with_moonlight != xno; then
3405       echo "MOONLIGHT = 1" >> $srcdir/$mcsdir/build/config.make
3406     fi
3407
3408     if test x$has_extension_module != xno; then
3409         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3410     fi
3411
3412         default_profile=net_2_0
3413     if test -z "$INSTALL_4_0_TRUE"; then :
3414                 default_profile=net_4_0
3415     fi
3416     if test -z "$INSTALL_MONODROID_TRUE"; then :
3417                 default_profile=monodroid
3418     fi
3419     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3420                 default_profile=monotouch
3421     fi
3422     if test -z "$INSTALL_4_5_TRUE"; then :
3423                 default_profile=net_4_5
3424     fi
3425     
3426     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3427     
3428     if test "x$test_bcl_opt" = "xyes"; then    
3429       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3430     fi
3431
3432   fi
3433
3434   # if we have an olive folder, override the default settings
3435   if test -d $olivedir; then
3436
3437     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3438
3439       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3440
3441       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3442       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3443       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3444       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3445       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3446       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3447     fi
3448   fi
3449
3450 )
3451
3452 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3453
3454 echo "
3455         mcs source:    $mcsdir
3456
3457    Engine:
3458         GC:            $gc_msg 
3459         TLS:           $with_tls
3460         SIGALTSTACK:   $with_sigaltstack
3461         Engine:        $jit_status
3462         oprofile:      $OPROFILE
3463         BigArrays:     $enable_big_arrays
3464         DTrace:        $enable_dtrace
3465         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3466
3467    Libraries:
3468         .NET 2.0/3.5:  $with_profile2
3469         .NET 4.0:      $with_profile4
3470         .NET 4.5:      $with_profile4_5
3471         MonoDroid:     $with_monodroid
3472         MonoTouch:     $with_monotouch
3473         JNI support:   $jdk_headers_found
3474         libgdiplus:    $libgdiplus_msg
3475         zlib:          $zlib_msg
3476         $disabled
3477 "
3478 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3479    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3480 fi