Confirmed fix from Marek for #xambug 8320.
[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, [3.0.2],
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 AM_CONFIG_HEADER([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"
164                         libmono_ldflags="-pthread"
165                 else
166                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
167                         libmono_ldflags="$PTHREAD_LIBS"
168                 fi
169                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
170                 need_link_unlink=yes
171                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
172                 libdl=
173                 libgc_threads=pthreads
174                 # This doesn't seem to work as of 7.0 on amd64
175                 with_sigaltstack=no
176 # TLS is only partially implemented on -CURRENT (compiler support
177 # but NOT library support)
178 #
179                 with_tls=pthread
180                 use_sigposix=yes
181                 ;;
182         *-*-*openbsd*)
183                 host_win32=no
184                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
185                 if test "x$disable_munmap" != "xyes"; then
186                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
187                 fi
188                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
189                 LDFLAGS="$LDFLAGS -pthread"
190                 need_link_unlink=yes
191                 AC_DEFINE(PTHREAD_POINTER_ID)
192                 libdl=
193                 gc_default=boehm
194                 libgc_threads=pthreads
195                 with_sigaltstack=no
196                 use_sigposix=yes
197                 ;;
198         *-*-linux-android*)
199                 host_win32=no
200                 platform_android=yes
201                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
202                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
203
204                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
205                 if test "x$disable_munmap" != "xyes"; then
206                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
207                 fi
208                 libmono_cflags="-D_REENTRANT"
209                 libdl="-ldl"
210                 libgc_threads=pthreads
211                 use_sigposix=yes
212
213                 with_tls=pthread
214                 with_sigaltstack=no
215                 with_static_mono=no
216
217                 # Android doesn't support boehm, as it's missing <link.h>
218                 support_boehm=no
219                 with_gc=sgen
220
221                 # isinf(3) requires -lm; see isinf check below
222                 LDFLAGS="$LDFLAGS -lm"
223
224                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
225                 # PAGE_SIZE; breaks mono/io-layer/collection.c
226                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
227                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
228                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
229
230                 # to bypass the underscore linker check, can't work when cross-compiling
231                 mono_cv_uscore=yes
232                 mono_cv_clang=no
233                 ;;
234         *-*-linux*)
235                 host_win32=no
236                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
237                 if test "x$disable_munmap" != "xyes"; then
238                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
239                 fi
240                 libmono_cflags="-D_REENTRANT"
241                 libdl="-ldl"
242                 libgc_threads=pthreads
243                 use_sigposix=yes
244                 ;;
245         *-*-nacl*)
246                 host_win32=no
247                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
248                 if test "x$disable_munmap" != "xyes"; then
249                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
250                 fi
251                 libmono_cflags="-D_REENTRANT"
252                 libdl=
253                 libgc_threads=pthreads
254                 gc_default=boehm
255                 use_sigposix=yes
256                 ikvm_native=no
257                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
258                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
259                 ;;
260         *-*-hpux*)
261                 host_win32=no
262                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
263                 # +ESdbgasm only valid on bundled cc on RISC
264                 # silently ignored for ia64
265                 if test $GCC != "yes"; then
266                         CFLAGS="$CFLAGS +ESdbgasm"
267                         # Arrange for run-time dereferencing of null
268                         # pointers to produce a SIGSEGV signal.
269                         LDFLAGS="$LDFLAGS -z"
270                 fi
271                 CFLAGS="$CFLAGS +ESdbgasm"
272                 LDFLAGS="$LDFLAGS -z"
273                 libmono_cflags="-D_REENTRANT"
274                 libmono_ldflags="-lpthread"
275                 libgc_threads=pthreads
276                 need_link_unlink=yes
277                 use_sigposix=yes
278                 ;;
279         *-*-solaris*)
280                 host_win32=no
281                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
282                 need_link_unlink=yes
283                 libmono_cflags="-D_REENTRANT"
284                 libgc_threads=pthreads
285                 # This doesn't seem to work on solaris/x86, but the configure test runs
286                 with_tls=pthread
287                 has_dtrace=yes
288                 use_sigposix=yes
289                 enable_solaris_tar_check=yes
290                 ;;
291         *-*-darwin*)
292                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
293                 host_win32=no
294                 platform_darwin=yes
295                 target_mach=yes
296                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
297                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
298                 libmono_cflags="-D_THREAD_SAFE"
299                 LDFLAGS="$LDFLAGS -pthread"
300                 libmono_ldflags="-pthread"
301                 need_link_unlink=yes
302                 AC_DEFINE(PTHREAD_POINTER_ID)
303                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
304                 no_version_script=yes
305                 libdl=
306                 libgc_threads=pthreads
307                 has_dtrace=yes
308                 if test "x$cross_compiling" = "xyes"; then
309                         has_broken_apple_cpp=yes
310                 fi
311                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
312                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
313                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
314                 case "$host" in
315                         dnl Snow Leopard and newer config.guess reports as this
316                         i*86-*-darwin*)
317                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
318                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_FLAGS"
319                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
320                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
321                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
322                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
323                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
324                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
325                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
326                                 ;;
327                         arm*-darwin*)
328                                 has_dtrace=no
329                                 ;;
330                 esac
331                 ;;
332         *-*-haiku*)
333                 host_win32=no
334                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
335                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
336                 libdl=
337                 LIBS="$LIBS -lnetwork"
338                 need_link_unlink=yes
339                 AC_DEFINE(PTHREAD_POINTER_ID)
340                 libgc_threads=pthreads
341                 use_sigposix=yes
342                 ;;
343         *)
344                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
345                 host_win32=no
346                 libdl="-ldl"
347                 ;;
348 esac
349 AC_MSG_RESULT(ok)
350
351 if test x$need_link_unlink = xyes; then
352    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
353 fi
354
355 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
356 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
357 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
358 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
359 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
360 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
361
362 AC_CHECK_TOOL(CC, gcc, gcc)
363 AC_PROG_CC
364 AC_CHECK_TOOL(CXX, g++, g++)
365 AC_PROG_CXX
366 AM_PROG_AS
367 AM_PROG_CC_STDC
368 AC_PROG_INSTALL
369 AC_PROG_AWK
370 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
371 : ${CCAS='$(CC)'}
372 # Set ASFLAGS if not already set.
373 : ${CCASFLAGS='$(CFLAGS)'}
374 AC_SUBST(CCAS)
375 AC_SUBST(CCASFLAGS)
376
377 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
378 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
379 if test "x$CXX" = "xg++"; then
380         if test "x$GXX" != "xyes"; then
381                 # automake/libtool is so broken, it requires g++ even if the c++ sources
382                 # are inside automake conditionals
383                 AC_MSG_ERROR([You need to install g++])
384         fi
385 fi
386
387 dnl may require a specific autoconf version
388 dnl AC_PROG_CC_FOR_BUILD
389 dnl CC_FOR_BUILD not automatically detected
390 CC_FOR_BUILD=$CC
391 CFLAGS_FOR_BUILD=$CFLAGS
392 BUILD_EXEEXT=
393 if test "x$cross_compiling" = "xyes"; then
394         CC_FOR_BUILD=cc
395         CFLAGS_FOR_BUILD=
396         BUILD_EXEEXT=""
397 fi
398 AC_SUBST(CC_FOR_BUILD)
399 AC_SUBST(CFLAGS_FOR_BUILD)
400 AC_SUBST(HOST_CC)
401 AC_SUBST(BUILD_EXEEXT)
402
403 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
404 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
405
406 # Set STDC_HEADERS
407 AC_HEADER_STDC
408 AC_LIBTOOL_WIN32_DLL
409 # This causes monodis to not link correctly
410 #AC_DISABLE_FAST_INSTALL
411 AM_PROG_LIBTOOL
412 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
413 DOLT
414
415 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
416 AC_SUBST(export_ldflags)
417
418 # Test whenever ld supports -version-script
419 AC_PROG_LD
420 AC_PROG_LD_GNU
421 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
422    no_version_script=yes
423 fi
424
425 AM_ICONV()
426
427 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
428
429 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)
430 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)
431 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
432                   [], [], [#include <stddef.h>
433                   #include <sys/socket.h>
434                   #include <linux/socket.h>])
435
436 AC_CHECK_HEADERS(sys/user.h, [], [],
437 [
438 #ifdef HAVE_SYS_PARAM_H
439 # include <sys/param.h>
440 #endif
441 ])
442
443 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
444 if test x$have_zlib = xyes; then
445    AC_TRY_COMPILE([#include <zlib.h>], [
446    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
447    return 0;
448    #else
449    #error No good zlib found
450    #endif
451    ],[
452         AC_MSG_RESULT(Using system zlib)
453         zlib_msg="system zlib"
454         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
455    ],[
456         AC_MSG_RESULT(Using embedded zlib)
457         have_zlib=no
458         zlib_msg="bundled zlib"
459    ])
460 fi
461
462 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
463 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
464
465 # for mono/metadata/debug-symfile.c
466 AC_CHECK_HEADERS(elf.h)
467
468 # for support
469 AC_CHECK_HEADERS(poll.h)
470 AC_CHECK_HEADERS(sys/poll.h)
471 AC_CHECK_HEADERS(sys/wait.h)
472 AC_CHECK_HEADERS(grp.h)
473 AC_CHECK_HEADERS(syslog.h)
474
475 # for mono/dis
476 AC_CHECK_HEADERS(wchar.h)
477 AC_CHECK_HEADERS(ieeefp.h)
478 AC_MSG_CHECKING(for isinf)
479 AC_TRY_LINK([#include <math.h>], [
480         int f = isinf (1);
481 ], [
482         AC_MSG_RESULT(yes)
483         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
484 ], [
485         # We'll have to use signals
486         AC_MSG_RESULT(no)
487 ])
488
489 # for Linux statfs support
490 AC_CHECK_HEADERS(linux/magic.h)
491
492 # not 64 bit clean in cross-compile
493 AC_CHECK_SIZEOF(void *, 4)
494
495 WARN=''
496 if test x"$GCC" = xyes; then
497         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch-enum'
498                 # The runtime code does not respect ANSI C strict aliasing rules
499                 CFLAGS="$CFLAGS -fno-strict-aliasing"
500
501                 ORIG_CFLAGS=$CFLAGS
502                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
503                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
504                 AC_TRY_COMPILE([],[
505                                 return 0;
506                 ], [
507                    AC_MSG_RESULT(yes)
508                 ], [
509                    AC_MSG_RESULT(no)
510                    CFLAGS=$ORIG_CFLAGS
511                 ])
512
513                 ORIG_CFLAGS=$CFLAGS
514                 # Check for the normal version, since gcc ignores unknown -Wno options
515                 CFLAGS="$CFLAGS -Wunused-but-set-variable"
516                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
517                 AC_TRY_COMPILE([],[
518                                 return 0;
519                 ], [
520                    AC_MSG_RESULT(yes)
521                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
522                 ], [
523                    AC_MSG_RESULT(no)
524                    CFLAGS=$ORIG_CFLAGS
525                 ])
526 else
527         # The Sun Forte compiler complains about inline functions that access static variables
528         # so disable all inlining.
529         case "$host" in
530         *-*-solaris*)
531                 CFLAGS="$CFLAGS -Dinline="
532                 ;;
533         esac
534 fi
535 CFLAGS="$CFLAGS -g $WARN"
536 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
537
538 AC_CACHE_CHECK([for clang],
539         mono_cv_clang,[
540         AC_TRY_RUN([
541                 int main () {
542                         #ifdef __clang__
543                                 return 0;
544                         #else
545                                 return 1;
546                         #endif
547                 }
548         ],
549         [mono_cv_clang=yes],
550         [mono_cv_clang=no],
551         [])
552 ])
553
554 # Where's the 'mcs' source tree?
555 if test -d $srcdir/mcs; then
556   mcsdir=mcs
557 else
558   mcsdir=../mcs
559 fi
560
561 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
562         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
563                 mcsdir=$with_mcs_path
564         fi
565 )
566
567 #
568 # A sanity check to catch cases where the package was unpacked
569 # with an ancient tar program (Solaris)
570 #
571 AC_ARG_ENABLE(solaris-tar-check,
572 [  --disable-solaris-tar-check    disable solaris tar check],
573    do_solaris_tar_check=no, do_solaris_tar_check=yes)
574
575 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
576         AC_MSG_CHECKING(integrity of package)
577         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
578         then
579                 AC_MSG_RESULT(ok)
580         else
581                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
582                 AC_MSG_ERROR([$errorm])
583         fi
584 fi
585
586 if test "x$with_mcs_path" != "x"; then
587 mcs_topdir=$(cd "$mcsdir" && pwd)
588 mcs_topdir_from_srcdir=$mcs_topdir
589 else
590 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
591 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
592 fi
593
594 # Convert mcs_topdir* paths to Windows syntax.
595 if test x$cross_compiling$host_win32 = xnoyes; then
596   mcs_topdir=$(cygpath -m $mcs_topdir)
597   case $mcs_topdir_from_srcdir in
598     /cygdrive/*)
599         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
600         ;;
601   esac
602 fi
603
604 AC_SUBST([mcs_topdir])
605 AC_SUBST([mcs_topdir_from_srcdir])
606
607 # Where's the 'olive' source tree?
608 if test -d $srcdir/olive; then
609   olivedir=olive
610 else
611   olivedir=../olive
612 fi
613
614 if test -d $srcdir/$olivedir; then
615 olive_topdir='$(top_srcdir)/'$olivedir
616 fi
617
618 # gettext: prepare the translation directories. 
619 # we do not configure the full gettext, as we consume it dynamically from C#
620 AM_PO_SUBDIRS
621
622 if test "x$USE_NLS" = "xyes"; then
623    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
624
625    if test "x$HAVE_MSGFMT" = "xno"; then
626           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
627    fi
628 fi
629
630 AC_ARG_WITH([libgdiplus], 
631         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)], 
632         [], [with_libgdiplus=installed])
633
634 case $with_libgdiplus in
635 no|installed) libgdiplus_loc= ;;
636 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
637 /*) libgdiplus_loc=$with_libgdiplus ;;
638 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
639 esac
640 AC_SUBST([libgdiplus_loc])
641
642 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
643
644 pkg_config_path=
645 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
646         if test x$with_crosspkgdir = "x"; then
647                 if test -s $PKG_CONFIG_PATH; then
648                         pkg_config_path=$PKG_CONFIG_PATH
649                 fi
650         else
651                 pkg_config_path=$with_crosspkgdir
652                 PKG_CONFIG_PATH=$pkg_config_path
653                 export PKG_CONFIG_PATH
654         fi
655 )
656
657 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
658 AC_CONFIG_SUBDIRS(eglib)
659
660 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
661 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
662 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
663 BUILD_GLIB_LIBS="$GLIB_LIBS"
664 GMODULE_CFLAGS="$GLIB_CFLAGS"
665 GMODULE_LIBS="$GLIB_LIBS"
666   
667 AC_SUBST(GLIB_CFLAGS)
668 AC_SUBST(GLIB_LIBS)
669 AC_SUBST(GMODULE_CFLAGS)
670 AC_SUBST(GMODULE_LIBS)
671 AC_SUBST(BUILD_GLIB_CFLAGS)
672 AC_SUBST(BUILD_GLIB_LIBS)
673
674 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
675
676 # Enable support for fast thread-local storage
677 # Some systems have broken support, so we allow to disable it.
678 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
679
680 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
681 # This does not work on some platforms (bug #55253)
682 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
683
684 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
685 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
686 # Same as --with-shared_mono=no
687 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
688
689 if test "x$enable_static" = "xno"; then
690    with_static_mono=no
691 fi
692
693 if test "x$enable_shared" = "xno"; then
694    with_shared_mono=no
695 fi
696
697 if test "x$enable_libraries" = "xno"; then
698    with_shared_mono=no
699 fi
700
701 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
702
703 case $host in
704 *nacl* ) with_shared_mono=yes;;
705 esac
706
707 if test "x$host_win32" = "xyes"; then
708    # Boehm GC requires the runtime to be in its own dll
709    with_static_mono=no
710 fi
711
712 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
713 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
714 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
715
716 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
717 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
718         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
719         ORIG_CFLAGS=$CFLAGS
720         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
721         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
722         AC_TRY_COMPILE([], [
723                 return 0;
724         ], [
725            AC_MSG_RESULT(yes)
726            # Pass it to libgc as well
727            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
728         ], [
729            AC_MSG_RESULT(no)
730            CFLAGS=$ORIG_CFLAGS
731         ])
732 fi
733
734 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
735
736 if test x$enable_small_config = xyes; then
737         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
738         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
739 fi
740
741 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=$enableval, enable_system_aot=default)
742
743 DISABLED_FEATURES=none
744
745 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
746      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
747      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters,
748          sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
749 [
750         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
751                 eval "mono_feature_disable_$feature='yes'"
752         done
753         DISABLED_FEATURES=$enable_minimal
754         disabled="Disabled:      $enable_minimal"
755 ],[])
756
757 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
758
759 if test "x$mono_feature_disable_aot" = "xyes"; then
760         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
761         AC_MSG_NOTICE([Disabled AOT compiler])
762 fi
763
764 if test "x$mono_feature_disable_profiler" = "xyes"; then
765         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
766         AC_MSG_NOTICE([Disabled support for the profiler])
767 fi
768 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
769
770 if test "x$mono_feature_disable_decimal" = "xyes"; then
771         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
772         AC_MSG_NOTICE([Disabled support for decimal])
773 fi
774
775 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
776         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
777         AC_MSG_NOTICE([Disabled support for P/Invoke])
778 fi
779
780 if test "x$mono_feature_disable_debug" = "xyes"; then
781         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
782         AC_MSG_NOTICE([Disabled support for runtime debugging])
783 fi
784
785 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
786         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
787         mono_feature_disable_reflection_emit_save=yes
788         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
789 fi
790
791 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
792         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
793         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
794 fi
795
796 if test "x$mono_feature_disable_large_code" = "xyes"; then
797         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
798         AC_MSG_NOTICE([Disabled support for large assemblies])
799 fi
800
801 if test "x$mono_feature_disable_logging" = "xyes"; then
802         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
803         AC_MSG_NOTICE([Disabled support for logging])
804 fi
805
806 if test "x$mono_feature_disable_com" = "xyes"; then
807         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
808         AC_MSG_NOTICE([Disabled COM support])
809 fi
810
811 if test "x$mono_feature_disable_ssa" = "xyes"; then
812         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
813         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
814 fi
815
816 if test "x$mono_feature_disable_generics" = "xyes"; then
817         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
818         AC_MSG_NOTICE([Disabled Generics Support])
819 fi
820
821 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
822         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
823         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
824 fi
825
826 if test "x$mono_feature_disable_portability" = "xyes"; then
827         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
828         AC_MSG_NOTICE([Disabled IO Portability layer])
829 fi
830
831 if test "x$mono_feature_disable_attach" = "xyes"; then
832         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
833         AC_MSG_NOTICE([Disabled agent attach])
834 fi
835
836 if test "x$mono_feature_disable_full_messages" = "xyes"; then
837         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
838         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
839 fi
840
841 if test "x$mono_feature_disable_verifier" = "xyes"; then
842         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
843         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
844 fi
845
846 if test "x$mono_feature_disable_jit" = "xyes"; then
847         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
848         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
849 fi
850
851 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
852
853 if test "x$mono_feature_disable_simd" = "xyes"; then
854         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
855         AC_MSG_NOTICE([Disabled SIMD support])
856 fi
857
858 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
859         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
860         AC_MSG_NOTICE([Disabled Soft Debugger.])
861 fi
862
863 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
864         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
865         AC_MSG_NOTICE([Disabled Performance Counters.])
866 fi
867 if test "x$mono_feature_disable_normalization" = "xyes"; then
868         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
869         AC_MSG_NOTICE([Disabled String normalization support.])
870 fi
871
872 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
873         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
874         AC_MSG_NOTICE([Disabled Assembly remapping.])
875 fi
876
877 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
878         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
879         AC_MSG_NOTICE([Disabled Shared perfcounters.])
880 fi
881
882 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
883         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
884         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
885 fi
886
887 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
888         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
889         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
890 fi
891
892 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
893         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
894         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
895 fi
896
897 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
898         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
899         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
900 fi
901
902 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
903         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
904         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
905 fi
906
907 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
908 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
909
910 AC_MSG_CHECKING(for visibility __attribute__)
911 AC_COMPILE_IFELSE([
912         AC_LANG_SOURCE([[
913                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
914                 int main () { doit (); return 0; }
915         ]])
916 ], [
917    have_visibility_hidden=yes
918    AC_MSG_RESULT(yes)
919 ], [
920    have_visibility_hidden=no
921    AC_MSG_RESULT(no)
922 ])
923
924 AC_MSG_CHECKING(for deprecated __attribute__)
925 AC_TRY_COMPILE([
926      int doit (void) __attribute__ ((deprecated));
927      int doit (void) { return 0; }
928 ], [
929         return 0;
930 ], [
931    have_deprecated=yes
932    AC_MSG_RESULT(yes)
933 ], [
934    have_deprecated=no
935    AC_MSG_RESULT(no)
936 ])
937
938 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
939 if test x$enable_parallel_mark = xyes; then
940         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
941 fi
942
943 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
944 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
945
946 dnl
947 dnl Boehm GC configuration
948 dnl
949 LIBGC_CPPFLAGS=
950 LIBGC_LIBS=
951 LIBGC_STATIC_LIBS=
952 libgc_dir=
953 case "x$gc" in
954         xboehm|xbohem|xyes)
955                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
956                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
957
958                 if test "x$found_boehm" != "xyes"; then
959                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
960                 fi
961                 if test "x$gc_headers" != "xyes"; then
962                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
963                 fi
964
965                 LIBGC_LIBS="-lgc $libdl"
966                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
967                 libmono_ldflags="$libmono_ldflags -lgc"
968                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
969
970                 # AC_CHECK_FUNCS does not work for some reason...
971                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
972                 if test "x$found_gcj_malloc" = "xyes"; then
973                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
974                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
975                         gc_msg="System Boehm with typed GC"
976                 else
977                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
978                         gc_msg="System Boehm (without typed GC)"
979                 fi
980                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
981                 if test "x$found_gc_enable" = "xyes"; then
982                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
983                 fi
984
985                 # check whether we need to explicitly allow
986                 # thread registering
987                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
988                 if test "x$found_allow_register_threads" = "xyes"; then
989                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
990                 fi
991
992                 ;;
993
994         xincluded)
995                 use_included_gc=yes
996                 libgc_dir=libgc
997
998                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
999                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1000                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1001
1002                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1003
1004                 gc_msg="bundled Boehm GC with typed GC"
1005                 if test x$enable_parallel_mark = xyes; then
1006                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1007                         gc_msg="$gc_msg and parallel mark"
1008                 else
1009                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1010                 fi
1011                 ;;
1012
1013         xsgen)
1014                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1015                 ;;
1016
1017         xnone)
1018                 AC_MSG_WARN("Compiling mono without GC.")
1019                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1020                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1021                 ;;
1022         *)
1023                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1024                 ;;
1025 esac
1026
1027 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1028 if test "x$large_heap" = "xyes"; then
1029    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1030 fi
1031
1032 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1033 AC_SUBST(LIBGC_CPPFLAGS)
1034 AC_SUBST(LIBGC_LIBS)
1035 AC_SUBST(LIBGC_STATIC_LIBS)
1036 AC_SUBST(libgc_dir)
1037 AC_SUBST(BOEHM_DEFINES)
1038
1039 dnl
1040 dnl End of libgc checks
1041 dnl
1042
1043 dnl *************************************
1044 dnl *** Checks for zero length arrays ***
1045 dnl *************************************
1046 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1047 AC_TRY_COMPILE([
1048         struct s {
1049                 int  length;
1050                 char data [0];
1051         };
1052 ], [], [
1053         AC_MSG_RESULT(yes)
1054         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1055 ], [
1056         AC_MSG_RESULT(no)
1057         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1058 ])
1059
1060 if test x$target_win32 = xno; then
1061
1062         dnl hires monotonic clock support
1063         AC_SEARCH_LIBS(clock_gettime, rt)
1064
1065         dnl dynamic loader support
1066         AC_CHECK_FUNC(dlopen, DL_LIB="",
1067                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1068         )
1069         if test x$dl_support = xno; then
1070                 AC_MSG_WARN([No dynamic loading support available])
1071         else
1072                 LIBS="$LIBS $DL_LIB"
1073                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1074                 dnl from glib's configure.in
1075                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1076                         mono_cv_uscore,[
1077                         AC_TRY_RUN([#include <dlfcn.h>
1078                         int mono_underscore_test (void) { return 42; }
1079                         int main() {
1080                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1081                           handle = dlopen ((void*)0, 0);
1082                           if (handle) {
1083                             f1 = dlsym (handle, "mono_underscore_test");
1084                             f2 = dlsym (handle, "_mono_underscore_test");
1085                           } return (!f2 || f1);
1086                         }],
1087                                 [mono_cv_uscore=yes],
1088                                 [mono_cv_uscore=no],
1089                         [])
1090                 ])
1091                 if test "x$mono_cv_uscore" = "xyes"; then
1092                         MONO_DL_NEED_USCORE=1
1093                 else
1094                         MONO_DL_NEED_USCORE=0
1095                 fi
1096                 AC_SUBST(MONO_DL_NEED_USCORE)
1097                 AC_CHECK_FUNC(dlerror)
1098         fi
1099
1100         dnl ******************************************************************
1101         dnl *** Checks for the IKVM JNI interface library                  ***
1102         dnl ******************************************************************
1103         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])
1104
1105         ikvm_native_dir=
1106         if test x$with_ikvm_native = xyes; then
1107                 ikvm_native_dir=ikvm-native
1108                 jdk_headers_found="IKVM Native"
1109         fi
1110
1111         AC_SUBST(ikvm_native_dir)
1112
1113         AC_CHECK_HEADERS(execinfo.h)
1114
1115         AC_CHECK_FUNCS(getgrgid_r)
1116         AC_CHECK_FUNCS(getgrnam_r)
1117         AC_CHECK_FUNCS(getpwnam_r)
1118         AC_CHECK_FUNCS(getpwuid_r)
1119         AC_CHECK_FUNCS(getresuid)
1120         AC_CHECK_FUNCS(setresuid)
1121         AC_CHECK_FUNCS(kqueue)
1122         AC_CHECK_FUNCS(backtrace_symbols)
1123         AC_CHECK_FUNCS(mkstemp)
1124         AC_CHECK_FUNCS(mmap)
1125         AC_CHECK_FUNCS(madvise)
1126         AC_CHECK_FUNCS(getrusage)
1127         AC_CHECK_FUNCS(getpriority)
1128         AC_CHECK_FUNCS(setpriority)
1129         AC_CHECK_FUNCS(dl_iterate_phdr)
1130         AC_CHECK_FUNCS(dladdr)
1131         AC_CHECK_FUNCS(sysconf)
1132
1133         AC_CHECK_FUNCS(sched_setaffinity)
1134         AC_CHECK_FUNCS(sched_getcpu)
1135
1136         dnl ****************************************************************
1137         dnl *** Check for sched_setaffinity from glibc versions before   ***
1138         dnl *** 2.3.4. The older versions of the function only take 2    ***
1139         dnl *** parameters, not 3.                                       ***
1140         dnl ***                                                          ***
1141         dnl *** Because the interface change was not made in a minor     ***
1142         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1143         dnl *** won't always indicate the interface sched_affinity has.  ***
1144         dnl ****************************************************************
1145         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1146         AC_TRY_COMPILE([#include <sched.h>], [
1147             int mask = 1; 
1148             sched_setaffinity(0, &mask);
1149                         return 0;
1150         ], [
1151                 # Yes, we have it...
1152                 AC_MSG_RESULT(yes)
1153                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1154         ], [
1155                 # We have the new, three-parameter version
1156                 AC_MSG_RESULT(no)
1157         ])
1158
1159
1160         dnl ******************************************************************
1161         dnl *** Check for large file support                               ***
1162         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1163         dnl ******************************************************************
1164         
1165         # Check that off_t can represent 2**63 - 1 correctly, working around
1166         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1167         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1168         large_offt=no
1169         AC_DEFUN([LARGE_FILES], [
1170                 large_CPPFLAGS=$CPPFLAGS
1171                 CPPFLAGS="$CPPFLAGS $1"
1172                 AC_TRY_COMPILE([
1173                         #include <sys/types.h>
1174                         #include <limits.h>
1175                 ], [
1176                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1177                         #define COMPILE_TIME_ASSERT(pred) \
1178                                 switch(0){case 0:case pred:;}
1179                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1180                 ], [
1181                         AC_MSG_RESULT(ok)
1182                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1183                         large_CPPFLAGS="$large_CPPFLAGS $1"
1184                         large_offt=yes
1185                 ], [
1186                         AC_MSG_RESULT(no)
1187                 ])
1188                 CPPFLAGS=$large_CPPFLAGS
1189         ])
1190
1191         AC_MSG_CHECKING(if off_t is 64 bits wide)
1192         LARGE_FILES("")
1193         if test $large_offt = no; then
1194                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1195                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1196         fi
1197         if test $large_offt = no; then
1198                 AC_MSG_WARN([No 64 bit file size support available])
1199         fi
1200         
1201         dnl *****************************
1202         dnl *** Checks for libsocket  ***
1203         dnl *****************************
1204         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1205
1206         dnl *******************************
1207         dnl *** Checks for MSG_NOSIGNAL ***
1208         dnl *******************************
1209         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1210         AC_TRY_COMPILE([#include <sys/socket.h>], [
1211                 int f = MSG_NOSIGNAL;
1212         ], [
1213                 # Yes, we have it...
1214                 AC_MSG_RESULT(yes)
1215                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1216         ], [
1217                 # We'll have to use signals
1218                 AC_MSG_RESULT(no)
1219         ])
1220
1221         dnl *****************************
1222         dnl *** Checks for SOL_IP     ***
1223         dnl *****************************
1224         AC_MSG_CHECKING(for SOL_IP)
1225         AC_TRY_COMPILE([#include <netdb.h>], [
1226                 int level = SOL_IP;
1227         ], [
1228                 # Yes, we have it...
1229                 AC_MSG_RESULT(yes)
1230                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1231         ], [
1232                 # We'll have to use getprotobyname
1233                 AC_MSG_RESULT(no)
1234         ])
1235
1236         dnl *****************************
1237         dnl *** Checks for SOL_IPV6     ***
1238         dnl *****************************
1239         AC_MSG_CHECKING(for SOL_IPV6)
1240         AC_TRY_COMPILE([#include <netdb.h>], [
1241                 int level = SOL_IPV6;
1242         ], [
1243                 # Yes, we have it...
1244                 AC_MSG_RESULT(yes)
1245                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1246         ], [
1247                 # We'll have to use getprotobyname
1248                 AC_MSG_RESULT(no)
1249         ])
1250
1251         dnl *****************************
1252         dnl *** Checks for SOL_TCP    ***
1253         dnl *****************************
1254         AC_MSG_CHECKING(for SOL_TCP)
1255         AC_TRY_COMPILE([#include <netdb.h>], [
1256                 int level = SOL_TCP;
1257         ], [
1258                 # Yes, we have it...
1259                 AC_MSG_RESULT(yes)
1260                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1261         ], [
1262                 # We'll have to use getprotobyname
1263                 AC_MSG_RESULT(no)
1264         ])
1265
1266         dnl *****************************
1267         dnl *** Checks for IP_PKTINFO ***
1268         dnl *****************************
1269         AC_MSG_CHECKING(for IP_PKTINFO)
1270         AC_TRY_COMPILE([#include <netdb.h>], [
1271                 int level = IP_PKTINFO;
1272         ], [
1273                 # Yes, we have it...
1274                 AC_MSG_RESULT(yes)
1275                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1276         ], [
1277                 AC_MSG_RESULT(no)
1278         ])
1279
1280         dnl *****************************
1281         dnl *** Checks for IPV6_PKTINFO ***
1282         dnl *****************************
1283         AC_MSG_CHECKING(for IPV6_PKTINFO)
1284         AC_TRY_COMPILE([#include <netdb.h>], [
1285                 int level = IPV6_PKTINFO;
1286         ], [
1287                 # Yes, we have it...
1288                 AC_MSG_RESULT(yes)
1289                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1290         ], [
1291                 AC_MSG_RESULT(no)
1292         ])
1293
1294         dnl **********************************
1295         dnl *** Checks for IP_DONTFRAGMENT ***
1296         dnl **********************************
1297         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1298         AC_TRY_COMPILE([#include <netdb.h>], [
1299                 int level = IP_DONTFRAGMENT;
1300         ], [
1301                 # Yes, we have it...
1302                 AC_MSG_RESULT(yes)
1303                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1304         ], [
1305                 AC_MSG_RESULT(no)
1306         ])
1307
1308         dnl **********************************
1309         dnl *** Checks for IP_MTU_DISCOVER ***
1310         dnl **********************************
1311         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1312         AC_TRY_COMPILE([#include <netdb.h>], [
1313                 int level = IP_MTU_DISCOVER;
1314         ], [
1315                 # Yes, we have it...
1316                 AC_MSG_RESULT(yes)
1317                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1318         ], [
1319                 AC_MSG_RESULT(no)
1320         ])
1321
1322         dnl *********************************
1323         dnl *** Check for struct ip_mreqn ***
1324         dnl *********************************
1325         AC_MSG_CHECKING(for struct ip_mreqn)
1326         AC_TRY_COMPILE([#include <netinet/in.h>], [
1327                 struct ip_mreqn mreq;
1328                 mreq.imr_address.s_addr = 0;
1329         ], [
1330                 # Yes, we have it...
1331                 AC_MSG_RESULT(yes)
1332                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1333         ], [
1334                 # We'll just have to try and use struct ip_mreq
1335                 AC_MSG_RESULT(no)
1336                 AC_MSG_CHECKING(for struct ip_mreq)
1337                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1338                         struct ip_mreq mreq;
1339                         mreq.imr_interface.s_addr = 0;
1340                 ], [
1341                         # Yes, we have it...
1342                         AC_MSG_RESULT(yes)
1343                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1344                 ], [
1345                         # No multicast support
1346                         AC_MSG_RESULT(no)
1347                 ])
1348         ])
1349         
1350         dnl **********************************
1351         dnl *** Check for gethostbyname2_r ***
1352         dnl **********************************
1353         AC_MSG_CHECKING(for gethostbyname2_r)
1354                 AC_TRY_LINK([#include <netdb.h>], [
1355                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1356         ], [
1357                 # Yes, we have it...
1358                 AC_MSG_RESULT(yes)
1359                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1360         ], [
1361                 AC_MSG_RESULT(no)
1362         ])
1363
1364         dnl *****************************
1365         dnl *** Checks for libnsl     ***
1366         dnl *****************************
1367         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1368
1369         AC_CHECK_FUNCS(inet_pton inet_aton)
1370
1371         dnl ***********************************************
1372         dnl *** Checks for size of sockaddr_un.sun_path ***
1373         dnl ***********************************************
1374         # AC_CHECK_SIZEOF can't cope with struct members :-(
1375         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1376         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1377                 [AC_TRY_RUN([
1378                         #include <sys/types.h>
1379                         #include <stdio.h>
1380                         #include <sys/un.h>
1381
1382                         int main(void) {
1383                                 struct sockaddr_un sock_un;
1384                                 FILE *f=fopen("conftestval", "w");
1385                                 if(!f) exit(1);
1386                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1387                                 exit(0);
1388                         }
1389                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1390                    mono_cv_sizeof_sunpath=0,
1391                    mono_cv_sizeof_sunpath=0)])dnl
1392         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1393         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1394
1395         dnl *****************************
1396         dnl *** Checks for libxnet    ***
1397         dnl *****************************
1398         case "${host}" in
1399                 *solaris* )
1400                         AC_MSG_CHECKING(for Solaris XPG4 support)
1401                         if test -f /usr/lib/libxnet.so; then
1402                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1403                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1404                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1405                                 LIBS="$LIBS -lxnet"
1406                                 AC_MSG_RESULT(yes)
1407                         else
1408                                 AC_MSG_RESULT(no)
1409                         fi
1410
1411                         if test "$GCC" = "yes"; then
1412                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1413                         fi
1414                 ;;
1415         esac
1416
1417         dnl *****************************
1418         dnl *** Checks for libpthread ***
1419         dnl *****************************
1420 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1421 # and libpthread does not exist
1422 #
1423         case "${host}" in
1424                 *-*-*freebsd*)
1425                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1426                 ;;
1427                 *-*-*openbsd*)
1428                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1429                 ;;
1430                 *)
1431                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1432                 ;;
1433         esac
1434         AC_CHECK_HEADERS(pthread.h)
1435         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1436         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1437         AC_CHECK_FUNCS(pthread_kill)
1438         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1439         AC_TRY_COMPILE([ #include <pthread.h>], [
1440                 pthread_mutexattr_t attr;
1441                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1442         ], [
1443                 AC_MSG_RESULT(ok)
1444         ], [
1445                 AC_MSG_RESULT(no)
1446                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1447                 AC_DEFINE(USE_MONO_MUTEX, 1, [Use mono_mutex_t])
1448         ])
1449         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1450         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1451         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1452
1453         dnl ***********************************
1454         dnl *** Checks for signals
1455         dnl ***********************************
1456         AC_CHECK_HEADERS(signal.h)
1457         AC_CHECK_FUNCS(sigaction)
1458
1459         dnl ***********************************
1460         dnl *** Checks for working __thread ***
1461         dnl ***********************************
1462         AC_MSG_CHECKING(for working __thread)
1463         if test "x$with_tls" != "x__thread"; then
1464                 AC_MSG_RESULT(disabled)
1465         else
1466                 AC_TRY_RUN([
1467                         #include <pthread.h>
1468                         __thread int i;
1469                         static int res1, res2;
1470
1471                         void thread_main (void *arg)
1472                         {
1473                                 i = arg;
1474                                 sleep (1);
1475                                 if (arg == 1)
1476                                         res1 = (i == arg);
1477                                 else
1478                                         res2 = (i == arg);
1479                         }
1480
1481                         int main () {
1482                                 pthread_t t1, t2;
1483
1484                                 i = 5;
1485
1486                                 pthread_create (&t1, NULL, thread_main, 1);
1487                                 pthread_create (&t2, NULL, thread_main, 2);
1488
1489                                 pthread_join (t1, NULL);
1490                                 pthread_join (t2, NULL);
1491
1492                                 return !(res1 + res2 == 2);
1493                         }
1494                 ], [
1495                                 AC_MSG_RESULT(yes)
1496                 ], [
1497                                 AC_MSG_RESULT(no)
1498                                 with_tls=pthread
1499                 ])
1500         fi
1501
1502         dnl **************************************
1503         dnl *** Checks for working sigaltstack ***
1504         dnl **************************************
1505         AC_MSG_CHECKING(for working sigaltstack)
1506         if test "x$with_sigaltstack" != "xyes"; then
1507                 AC_MSG_RESULT(disabled)
1508         else
1509                 AC_TRY_RUN([
1510                         #include <stdio.h>
1511                         #include <stdlib.h>
1512                         #include <unistd.h>
1513                         #include <signal.h>
1514                         #include <pthread.h>
1515                         #include <sys/wait.h>
1516                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1517                         #define SA_STACK SA_ONSTACK
1518                         #endif
1519                         static void
1520                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1521                         {
1522                                 exit (0);
1523                         }
1524
1525                         volatile char*__ptr = NULL;
1526                         static void *
1527                         loop (void *ignored)
1528                         {
1529                                 *__ptr = 0;
1530                                 return NULL;
1531                         }
1532
1533                         static void
1534                         child ()
1535                         {
1536                                 struct sigaction sa;
1537                         #ifdef __APPLE__
1538                                 stack_t sas;
1539                         #else
1540                                 struct sigaltstack sas;
1541                         #endif
1542                                 pthread_t id;
1543                                 pthread_attr_t attr;
1544
1545                                 sa.sa_sigaction = sigsegv_signal_handler;
1546                                 sigemptyset (&sa.sa_mask);
1547                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1548                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1549                                         perror ("sigaction");
1550                                         return;
1551                                 }
1552
1553                                 /* x86 darwin deliver segfaults using SIGBUS */
1554                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1555                                         perror ("sigaction");
1556                                         return;
1557                                 }
1558                                 sas.ss_sp = malloc (SIGSTKSZ);
1559                                 sas.ss_size = SIGSTKSZ;
1560                                 sas.ss_flags = 0;
1561                                 if (sigaltstack (&sas, NULL) == -1) {
1562                                         perror ("sigaltstack");
1563                                         return;
1564                                 }
1565
1566                                 pthread_attr_init (&attr);
1567                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1568                                         printf ("pthread_create\n");
1569                                         return;
1570                                 }
1571
1572                                 sleep (100);
1573                         }
1574
1575                         int
1576                         main ()
1577                         {
1578                                 pid_t son;
1579                                 int status;
1580                                 int i;
1581
1582                                 son = fork ();
1583                                 if (son == -1) {
1584                                         return 1;
1585                                 }
1586
1587                                 if (son == 0) {
1588                                         child ();
1589                                         return 0;
1590                                 }
1591
1592                                 for (i = 0; i < 300; ++i) {
1593                                         waitpid (son, &status, WNOHANG);
1594                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1595                                                 return 0;
1596                                         usleep (10000);
1597                                 }
1598
1599                                 kill (son, SIGKILL);
1600                                 return 1;
1601                         }
1602
1603                 ], [
1604                                 AC_MSG_RESULT(yes)
1605                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1606                 ], [
1607                                 with_sigaltstack=no
1608                                 AC_MSG_RESULT(no)
1609                 ])
1610         fi
1611
1612         dnl ********************************
1613         dnl *** Checks for semaphore lib ***
1614         dnl ********************************
1615         # 'Real Time' functions on Solaris
1616         # posix4 on Solaris 2.6
1617         # pthread (first!) on Linux
1618         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1619
1620         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1621         AC_CHECK_FUNCS(shm_open)
1622
1623         dnl ********************************
1624         dnl *** Checks for timezone stuff **
1625         dnl ********************************
1626         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1627                 AC_TRY_COMPILE([
1628                         #include <time.h>
1629                         ], [
1630                         struct tm tm;
1631                         tm.tm_gmtoff = 1;
1632                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1633         if test $ac_cv_struct_tm_gmtoff = yes; then
1634                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1635         else
1636                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1637                         AC_TRY_COMPILE([
1638                                 #include <time.h>
1639                         ], [
1640                                 timezone = 1;
1641                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1642                 if test $ac_cv_var_timezone = yes; then
1643                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1644                 else
1645                         AC_ERROR(unable to find a way to determine timezone)
1646                 fi
1647         fi
1648
1649         dnl *********************************
1650         dnl *** Checks for math functions ***
1651         dnl *********************************
1652         AC_SEARCH_LIBS(sqrtf, m)
1653         if test "x$has_broken_apple_cpp" != "xyes"; then
1654                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1655                         AC_TRY_LINK([#include <math.h>], 
1656                         [ finite(0.0); ], 
1657                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1658                         AC_MSG_RESULT(no)))
1659         fi
1660         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1661                 AC_TRY_LINK([#include <math.h>], 
1662                 [ isfinite(0.0); ], 
1663                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1664                 AC_MSG_RESULT(no)))
1665
1666         dnl ****************************************************************
1667         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1668         dnl *** have it in the library (duh))                            ***
1669         dnl ****************************************************************
1670         AC_CHECK_FUNCS(poll)
1671
1672         dnl *************************
1673         dnl *** Check for signbit ***
1674         dnl *************************
1675         AC_MSG_CHECKING(for signbit)
1676         AC_TRY_LINK([#include <math.h>], [
1677                 int s = signbit(1.0);
1678         ], [
1679                 AC_MSG_RESULT(yes)
1680                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1681         ], [
1682                 AC_MSG_RESULT(no)
1683         ]) 
1684
1685         dnl **********************************
1686         dnl *** epoll                      ***
1687         dnl **********************************
1688         AC_CHECK_HEADERS(sys/epoll.h)
1689         haveepoll=no
1690         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1691         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1692                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1693         fi
1694
1695         havekqueue=no
1696         AC_CHECK_FUNCS(kqueue, , AC_MSG_CHECKING(for kqueue in sys/event.h)
1697                 AC_TRY_LINK([#include <sys/event.h>], 
1698                 [ kqueue(); ],[havekqueue=yes],[]))
1699
1700         dnl **************************************
1701         dnl * Darwin has a race that prevents us from using reliably:
1702         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1703         dnl * Since kqueue is mostly used for scaling large web servers, 
1704         dnl * and very few folks run Mono on large web servers on OSX, falling
1705         dnl * back 
1706         dnl **************************************
1707         if test x$havekqueue = xyes; then
1708                 if x$platform_darwin = xno; then
1709                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1710                 fi
1711         fi
1712
1713         dnl ******************************
1714         dnl *** Checks for SIOCGIFCONF ***
1715         dnl ******************************
1716         AC_CHECK_HEADERS(sys/ioctl.h)
1717         AC_CHECK_HEADERS(net/if.h, [], [],
1718            [
1719            #ifdef HAVE_SYS_TYPES_H
1720            # include <sys/types.h>
1721            #endif
1722            #ifdef HAVE_SYS_SOCKET_H
1723            # include <sys/socket.h>
1724            #endif
1725            ])
1726         AC_MSG_CHECKING(for ifreq)
1727         AC_TRY_COMPILE([
1728                 #include <stdio.h>
1729                 #include <sys/ioctl.h>
1730                 #include <net/if.h>
1731                 ], [
1732                 struct ifconf ifc;
1733                 struct ifreq *ifr;
1734                 void *x;
1735                 ifc.ifc_len = 0;
1736                 ifc.ifc_buf = NULL;
1737                 x = (void *) &ifr->ifr_addr;
1738                 ],[
1739                         AC_MSG_RESULT(yes)
1740                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1741                 ], [
1742                         AC_MSG_RESULT(no)
1743                 ])
1744         dnl **********************************
1745         dnl ***     Checks for sin_len     ***
1746         dnl **********************************
1747         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1748         AC_TRY_COMPILE([
1749                 #include <netinet/in.h>
1750                 ], [
1751                 struct sockaddr_in saddr;
1752                 saddr.sin_len = sizeof (saddr);
1753                 ],[
1754                         AC_MSG_RESULT(yes)
1755                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1756                 ], [
1757                         AC_MSG_RESULT(no)
1758                 ])      
1759         dnl **********************************
1760         dnl ***    Checks for sin6_len     ***
1761         dnl **********************************
1762         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1763         AC_TRY_COMPILE([
1764                 #include <netinet/in.h>
1765                 ], [
1766                 struct sockaddr_in6 saddr6;
1767                 saddr6.sin6_len = sizeof (saddr6);
1768                 ],[
1769                         AC_MSG_RESULT(yes)
1770                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1771                 ], [
1772                         AC_MSG_RESULT(no)
1773                 ])
1774         dnl **********************************
1775         dnl *** Check for getifaddrs       ***
1776         dnl **********************************
1777         AC_MSG_CHECKING(for getifaddrs)
1778                 AC_TRY_LINK([
1779                 #include <stdio.h>
1780                 #include <sys/types.h>
1781                 #include <sys/socket.h>
1782                 #include <ifaddrs.h>
1783         ], [
1784                 getifaddrs(NULL);
1785         ], [
1786                 # Yes, we have it...
1787                 AC_MSG_RESULT(yes)
1788                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1789         ], [
1790                 AC_MSG_RESULT(no)
1791         ])
1792         dnl **********************************
1793         dnl *** Check for if_nametoindex   ***
1794         dnl **********************************
1795         AC_MSG_CHECKING(for if_nametoindex)
1796                 AC_TRY_LINK([
1797                 #include <stdio.h>
1798                 #include <sys/types.h>
1799                 #include <sys/socket.h>
1800                 #include <net/if.h>
1801         ], [
1802                 if_nametoindex(NULL);
1803         ], [
1804                 # Yes, we have it...
1805                 AC_MSG_RESULT(yes)
1806                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1807         ], [
1808                 AC_MSG_RESULT(no)
1809         ])
1810                         
1811         dnl **********************************
1812         dnl *** Checks for MonoPosixHelper ***
1813         dnl **********************************
1814         AC_CHECK_HEADERS(checklist.h)
1815         AC_CHECK_HEADERS(pathconf.h)
1816         AC_CHECK_HEADERS(fstab.h)
1817         AC_CHECK_HEADERS(attr/xattr.h)
1818         AC_CHECK_HEADERS(sys/extattr.h)
1819         AC_CHECK_HEADERS(sys/sendfile.h)
1820         AC_CHECK_HEADERS(sys/statvfs.h)
1821         AC_CHECK_HEADERS(sys/statfs.h)
1822         AC_CHECK_HEADERS(sys/vfstab.h)
1823         AC_CHECK_HEADERS(sys/xattr.h)
1824         AC_CHECK_HEADERS(sys/mman.h)
1825         AC_CHECK_HEADERS(sys/param.h)
1826         AC_CHECK_HEADERS(sys/mount.h, [], [],
1827                 [
1828                 #ifdef HAVE_SYS_PARAM_H
1829                 # include <sys/param.h>
1830                 #endif
1831                 ])
1832         AC_CHECK_HEADERS(sys/mount.h)
1833         AC_CHECK_FUNCS(confstr)
1834         AC_CHECK_FUNCS(seekdir telldir)
1835         AC_CHECK_FUNCS(getdomainname)
1836         AC_CHECK_FUNCS(setdomainname)
1837         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1838         AC_CHECK_FUNCS(setgroups)
1839         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1840         AC_CHECK_FUNCS(getfsstat)
1841         AC_CHECK_FUNCS(lutimes futimes)
1842         AC_CHECK_FUNCS(mremap)
1843         AC_CHECK_FUNCS(remap_file_pages)
1844         AC_CHECK_FUNCS(posix_fadvise)
1845         AC_CHECK_FUNCS(posix_fallocate)
1846         AC_CHECK_FUNCS(posix_madvise)
1847         AC_CHECK_FUNCS(vsnprintf)
1848         AC_CHECK_FUNCS(sendfile)
1849         AC_CHECK_FUNCS(gethostid sethostid)
1850         AC_CHECK_FUNCS(sethostname)
1851         AC_CHECK_FUNCS(statfs)
1852         AC_CHECK_FUNCS(fstatfs)
1853         AC_CHECK_FUNCS(statvfs)
1854         AC_CHECK_FUNCS(fstatvfs)
1855         AC_CHECK_FUNCS(stime)
1856         AC_CHECK_FUNCS(strerror_r)
1857         AC_CHECK_FUNCS(ttyname_r)
1858         AC_CHECK_FUNCS(psignal)
1859         AC_CHECK_FUNCS(getlogin_r)
1860         AC_CHECK_FUNCS(lockf)
1861         AC_CHECK_FUNCS(swab)
1862         AC_CHECK_FUNCS(setusershell endusershell)
1863         AC_CHECK_SIZEOF(size_t)
1864         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
1865                 [#include <sys/types.h>
1866                  #include <sys/stat.h>
1867                  #include <unistd.h>])
1868         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1869                 [#include <sys/types.h>
1870                  #include <sys/stat.h>
1871                  #include <unistd.h>])
1872         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1873                 [#include <sys/time.h>])
1874         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
1875                 [#include <unistd.h>
1876                  #include <fcntl.h>])
1877         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1878                 [#include <sys/poll.h>])
1879         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1880                 [#include <sys/types.h>
1881                  #include <sys/stat.h>
1882                  #include <unistd.h>])
1883         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
1884                 [#include <time.h>])
1885         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1886                 [#include <sys/time.h>
1887                  #include <sys/types.h>
1888                  #include <utime.h>])
1889         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1890                 [#include <sys/time.h>])
1891         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
1892                 [#include <sys/types.h>
1893                  #include <utime.h>])
1894         AC_CHECK_MEMBERS(
1895                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
1896                 [#include <sys/types.h>
1897                  #include <dirent.h>])
1898         AC_CHECK_MEMBERS(
1899                 [struct passwd.pw_gecos],,, 
1900                 [#include <sys/types.h>
1901                  #include <pwd.h>])
1902         AC_CHECK_MEMBERS(
1903                 [struct statfs.f_flags],,, 
1904                 [#include <sys/types.h>
1905                  #include <sys/vfs.h>])
1906
1907         dnl Favour xattr through glibc, but use libattr if we have to
1908         AC_CHECK_FUNC(lsetxattr, ,
1909                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1910         )
1911         AC_SUBST(XATTR_LIB)
1912
1913         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
1914         AC_CHECK_MEMBERS(
1915                 [struct kinfo_proc.kp_proc],,, 
1916                 [#include <sys/types.h>
1917                  #include <sys/param.h>
1918                  #include <sys/sysctl.h>
1919                  #include <sys/proc.h>
1920                  ])
1921
1922         dnl *********************************
1923         dnl *** Checks for Windows compilation ***
1924         dnl *********************************
1925         AC_CHECK_HEADERS(sys/time.h)
1926         AC_CHECK_HEADERS(sys/param.h)
1927         AC_CHECK_HEADERS(dirent.h)
1928
1929         dnl *********************************
1930         dnl *** Check for Console 2.0 I/O ***
1931         dnl *********************************
1932         AC_CHECK_HEADERS([curses.h])
1933         AC_CHECK_HEADERS([term.h], [], [],
1934         [#if HAVE_CURSES_H
1935          #include <curses.h>
1936          #endif
1937         ])
1938         AC_CHECK_HEADERS([termios.h])
1939
1940         dnl * This is provided in io-layer, but on windows it's only available
1941         dnl * on xp+
1942         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1943 else
1944         dnl *********************************
1945         dnl *** Checks for Windows compilation ***
1946         dnl *********************************
1947         AC_CHECK_HEADERS(winternl.h)
1948
1949         jdk_headers_found=no
1950         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1951         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1952         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1953         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
1954         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1955         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
1956         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
1957
1958         dnl *********************************
1959         dnl *** Check for struct ip_mreqn ***
1960         dnl *********************************
1961         AC_MSG_CHECKING(for struct ip_mreqn)
1962         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1963                 struct ip_mreqn mreq;
1964                 mreq.imr_address.s_addr = 0;
1965         ], [
1966                 # Yes, we have it...
1967                 AC_MSG_RESULT(yes)
1968                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1969         ], [
1970                 # We'll just have to try and use struct ip_mreq
1971                 AC_MSG_RESULT(no)
1972                 AC_MSG_CHECKING(for struct ip_mreq)
1973                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1974                         struct ip_mreq mreq;
1975                         mreq.imr_interface.s_addr = 0;
1976                 ], [
1977                         # Yes, we have it...
1978                         AC_MSG_RESULT(yes)
1979                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1980                 ], [
1981                         # No multicast support
1982                         AC_MSG_RESULT(no)
1983                 ])
1984         ])
1985         AC_CHECK_FUNCS(GetProcessId)
1986 fi
1987
1988 dnl socklen_t check
1989 AC_MSG_CHECKING(for socklen_t)
1990 AC_TRY_COMPILE([
1991 #include <sys/types.h>
1992 #include <sys/socket.h>
1993 ],[
1994   socklen_t foo;
1995 ],[
1996 ac_cv_c_socklen_t=yes
1997         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
1998         AC_MSG_RESULT(yes)
1999 ],[
2000         AC_MSG_RESULT(no)
2001 ])
2002
2003 AC_MSG_CHECKING(for array element initializer support)
2004 AC_TRY_COMPILE([#include <sys/socket.h>], [
2005         const int array[] = {[1] = 2,};
2006 ], [
2007         # Yes, we have it...
2008         AC_MSG_RESULT(yes)
2009         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2010 ], [
2011         # We'll have to use signals
2012         AC_MSG_RESULT(no)
2013 ])
2014
2015 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2016         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2017         AC_TRY_LINK([#include <math.h>], 
2018         [ static void *p = &trunc; ],
2019         [
2020                 AC_DEFINE(HAVE_TRUNC) 
2021                 AC_MSG_RESULT(yes)
2022                 ac_cv_trunc=yes
2023         ],
2024         AC_MSG_RESULT(no)))
2025
2026 if test "x$ac_cv_truncl" != "xyes"; then
2027    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2028 fi
2029
2030 AC_CHECK_FUNCS(round)
2031 AC_CHECK_FUNCS(rint)
2032 AC_CHECK_FUNCS(execvp)
2033
2034 dnl ****************************
2035 dnl *** Look for /dev/random ***
2036 dnl ****************************
2037
2038 AC_MSG_CHECKING([if usage of random device is requested])
2039 AC_ARG_ENABLE(dev-random,
2040 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2041 try_dev_random=$enableval, try_dev_random=yes)
2042
2043 AC_MSG_RESULT($try_dev_random)
2044
2045 case "{$build}" in
2046     *-openbsd*)
2047     NAME_DEV_RANDOM="/dev/srandom"
2048     ;;
2049
2050 dnl Win32 does not have /dev/random, they have their own method...
2051
2052     *-mingw*|*-*-cygwin*)
2053     ac_cv_have_dev_random=no
2054     ;;
2055
2056 dnl Everywhere else, it's /dev/random
2057
2058     *)
2059     NAME_DEV_RANDOM="/dev/random"
2060     ;;
2061 esac
2062
2063 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2064
2065 dnl Now check if the device actually exists
2066
2067 if test "x$try_dev_random" = "xyes"; then
2068     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2069     [if test -r "$NAME_DEV_RANDOM" ; then
2070         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2071     if test "x$ac_cv_have_dev_random" = "xyes"; then
2072         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2073     fi
2074 else
2075     AC_MSG_CHECKING(for random device)
2076     ac_cv_have_dev_random=no
2077     AC_MSG_RESULT(has been disabled)
2078 fi
2079
2080 if test "x$host_win32" = "xyes"; then
2081     AC_DEFINE(HAVE_CRYPT_RNG)
2082 fi
2083
2084 if test "x$ac_cv_have_dev_random" = "xno" \
2085     && test "x$host_win32" = "xno"; then
2086     AC_MSG_WARN([[
2087 ***
2088 *** A system-provided entropy source was not found on this system.
2089 *** Because of this, the System.Security.Cryptography random number generator
2090 *** will throw a NotImplemented exception.
2091 ***
2092 *** If you are seeing this message, and you know your system DOES have an
2093 *** entropy collection in place, please contact <crichton@gimp.org> and
2094 *** provide information about the system and how to access the random device.
2095 ***
2096 *** Otherwise you can install either egd or prngd and set the environment
2097 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2098 ***]])
2099 fi
2100  
2101 AC_MSG_CHECKING([if inter-process shared handles are requested])
2102 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2103 AC_MSG_RESULT($try_shared_handles)
2104 if test "x$try_shared_handles" != "xyes"; then
2105         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2106         AC_SUBST(DISABLE_SHARED_HANDLES)
2107 fi
2108
2109 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2110
2111 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2112 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2113
2114 AC_MSG_CHECKING([if big-arrays are to be enabled])
2115 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2116 if test "x$enable_big_arrays" = "xyes" ; then
2117     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2118         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2119     else
2120         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2121     fi
2122 fi
2123 AC_MSG_RESULT($enable_big_arrays)
2124
2125 dnl **************
2126 dnl *** DTRACE ***
2127 dnl **************
2128
2129 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2130
2131 if test "x$enable_dtrace" = "xyes"; then
2132    if test "x$has_dtrace" = "xno"; then
2133           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2134    fi
2135    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2136    if test "x$DTRACE" = "xno"; then
2137           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2138           enable_dtrace=no
2139    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2140           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2141           enable_dtrace=no
2142    fi
2143 fi
2144
2145 dtrace_g=no
2146 if test "x$enable_dtrace" = "xyes"; then
2147         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2148         DTRACEFLAGS=
2149         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2150                 case "$host" in
2151                         powerpc-*-darwin*)
2152                         DTRACEFLAGS="-arch ppc64"
2153                         ;;
2154                         i*86-*-darwin*)
2155                         DTRACEFLAGS="-arch x86_64"
2156                         ;;
2157                         *)
2158                         DTRACEFLAGS=-64
2159                         ;;
2160                 esac
2161         else
2162                 case "$host" in
2163                         powerpc-*-darwin*)
2164                         DTRACEFLAGS="-arch ppc"
2165                         ;;
2166                         i*86-*-darwin*)
2167                         DTRACEFLAGS="-arch i386"
2168                         ;;
2169                         *)
2170                         DTRACEFLAGS=-32
2171                         ;;
2172                 esac
2173         fi
2174         AC_SUBST(DTRACEFLAGS)
2175         case "$host" in
2176                 *-*-solaris*)
2177                 dtrace_g=yes
2178                 ;;
2179         esac
2180         AC_CHECK_HEADERS([sys/sdt.h])
2181 fi
2182 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2183 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2184
2185 dnl **************
2186 dnl ***  NaCl  ***
2187 dnl **************
2188
2189 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2190 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2191
2192 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2193 if test "x$enable_nacl_codegen" = "xyes"; then
2194    MONO_NACL_ALIGN_MASK_OFF=1
2195    CPPFLAGS="$CPPFLAGS -D__native_client_codegen__"
2196    AC_DEFINE(TARGET_NACL, 1, [...])
2197 else
2198    MONO_NACL_ALIGN_MASK_OFF=0
2199    CPPFLAGS="$CPPFLAGS -D__default_codegen__"
2200 fi
2201 if test "x$enable_nacl_gc" = "xyes"; then
2202    CPPFLAGS="$CPPFLAGS -finstrument-for-thread-suspension -D__native_client_gc__"
2203 fi
2204 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2205
2206 dnl **************
2207 dnl ***  LLVM  ***
2208 dnl **************
2209
2210 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2211 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2212
2213 if test "x$enable_llvm" = "xyes"; then
2214    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2215    if test "x$LLVM_CONFIG" = "xno"; then
2216           AC_MSG_ERROR([llvm-config not found.])
2217    fi
2218
2219    # The output of --cflags seems to include optimizations flags too
2220    LLVM_CFLAGS=`$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'`
2221    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2222    # from LLVM classes.
2223    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2224    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2225    LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit x86codegen`
2226    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2227
2228    # Should be something like '2.6' or '2.7svn'
2229    llvm_version=`$LLVM_CONFIG --version`
2230    major_version=`echo $llvm_version | cut -c 1`
2231    minor_version=`echo $llvm_version | cut -c 3`
2232    AC_MSG_CHECKING(LLVM version)
2233    AC_MSG_RESULT($llvm_version)
2234    if echo $llvm_version | grep -q 'mono'; then
2235           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2236           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"       
2237    else
2238           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.])
2239    fi
2240
2241    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2242    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2243    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2244
2245    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2246    # llvm's config.h
2247    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2248
2249    AC_SUBST(LLVM_CFLAGS)
2250    AC_SUBST(LLVM_CXXFLAGS)
2251    AC_SUBST(LLVM_LIBS)
2252    AC_SUBST(LLVM_LDFLAGS)
2253    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2254 fi
2255
2256 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2257 if test "x$enable_loadedllvm" = "xyes"; then
2258    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2259 fi
2260 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2261
2262 TARGET="unknown"
2263 ACCESS_UNALIGNED="yes"
2264
2265 JIT_SUPPORTED=no
2266 INTERP_SUPPORTED=no
2267 LIBC="libc.so.6"
2268 INTL="libc.so.6"
2269 SQLITE="libsqlite.so.0"
2270 SQLITE3="libsqlite3.so.0"
2271 X11="libX11.so"
2272
2273 sizeof_register="SIZEOF_VOID_P"
2274
2275 jit_wanted=true
2276 interp_wanted=false
2277 sgen_supported=false
2278 case "$host" in
2279 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
2280 #               TARGET=MIPS;
2281 #               ACCESS_UNALIGNED="no"
2282 #               ;;
2283         mips*)
2284                 TARGET=MIPS;
2285                 arch_target=mips;
2286                 sgen_supported=true
2287                 ACCESS_UNALIGNED="no"
2288                 JIT_SUPPORTED=yes
2289
2290                 AC_MSG_CHECKING(for mips n32)
2291                 AC_TRY_COMPILE([],[
2292                 #if _MIPS_SIM != _ABIN32
2293                 #error Not mips n32
2294                 #endif
2295                 return 0;
2296                 ],[
2297                 AC_MSG_RESULT(yes)
2298                 sizeof_register=8
2299                 ],[
2300                 AC_MSG_RESULT(no)
2301                 ])
2302                 ;;
2303         i*86-*-*)
2304                 TARGET=X86;
2305                 arch_target=x86;
2306                 JIT_SUPPORTED=yes
2307                 case $host_os in
2308                   solaris*)
2309                         LIBC="libc.so"
2310                         INTL="libintl.so"
2311                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2312                                 TARGET=AMD64
2313                                 arch_target=amd64
2314                         fi
2315
2316                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2317                         # int astruct __attribute__ ((visibility ("hidden")));
2318                         # void foo ()
2319                         # {
2320                         #       void *p = &astruct;
2321                         # }
2322                         # gcc -fPIC --shared -o libfoo.so foo.c
2323                         # yields:
2324                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2325                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2326                         have_visibility_hidden=no
2327                         sgen_supported=true
2328                         ;;
2329                   cygwin*)
2330                         sgen_supported=true
2331                         have_visibility_hidden=no                 
2332                         ;;
2333                   haiku*)
2334                         LIBC=libroot.so
2335                         ;;
2336                   linux*)
2337                         sgen_supported=true
2338                         AOT_SUPPORTED="yes"
2339                         ;;
2340                   darwin*)
2341                         sgen_supported=true
2342                         AOT_SUPPORTED="yes"
2343                         ;;
2344                   darwin*|openbsd*|freebsd*)
2345                         sgen_supported=true
2346                         ;;
2347                 esac
2348                 ;;
2349         x86_64-*-* | amd64-*-*)
2350                 TARGET=AMD64;
2351                 arch_target=amd64;
2352                 JIT_SUPPORTED=yes
2353                 case $host_os in
2354                   linux*)
2355                         sgen_supported=true
2356                         AOT_SUPPORTED="yes"
2357                         ;;
2358                   darwin*|openbsd*|freebsd*)
2359                         sgen_supported=true
2360                         ;;
2361                 esac
2362                 case "$host" in
2363                         x86_64-*-nacl*)
2364                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2365                                 sizeof_register=8
2366                                 ;;
2367                 esac
2368                 ;;
2369         ia64-*-*)
2370                 TARGET=IA64
2371                 arch_target=ia64
2372                 ACCESS_UNALIGNED="no"
2373                 JIT_SUPPORTED=yes
2374                 LIBC="libc.so.6.1"
2375                 INTL="libc.so.6.1"
2376                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2377                 libmono_ldflags="-lunwind"
2378                 ;;
2379         sparc*-*-*)
2380                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2381                    TARGET=SPARC64
2382                 else
2383                         TARGET=SPARC
2384                 fi
2385                 arch_target=sparc;
2386                 JIT_SUPPORTED=yes
2387                 ACCESS_UNALIGNED="no"
2388                 case $host_os in
2389                   linux*) ;;
2390                   *)
2391                         LIBC="libc.so"
2392                         INTL="libintl.so"
2393                 esac
2394                 if test x"$GCC" = xyes; then
2395                         # We don't support v8 cpus
2396                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2397                 fi
2398                 if test x"$AR" = xfalse; then
2399                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2400                 fi
2401                 sgen_supported=true
2402                 ;;
2403        alpha*-*-linux* | alpha*-*-osf*)
2404                 TARGET=ALPHA;
2405                 ACCESS_UNALIGNED="no"
2406                 JIT_SUPPORTED=yes
2407                 arch_target=alpha;
2408                 CFLAGS="$CFLAGS -mieee -O0"
2409                 case $host_os in
2410                   linux*)
2411                         LIBC="libc.so.6.1"
2412                         INTL="libc.so.6.1"
2413                 esac
2414                ;;
2415         *-mingw*|*-*-cygwin*)
2416                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2417                 have_visibility_hidden=no
2418                 INTL="intl"
2419                 ;;
2420         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
2421                 TARGET=HPPA;
2422                 arch_target=hppa; 
2423                 LIBC="libc.sl"
2424                 ACCESS_UNALIGNED="no"
2425                 INTERP_SUPPORTED=yes
2426                 interp_wanted=true
2427                 ;;
2428         hppa*linux*)
2429                 TARGET=HPPA;
2430                 arch_target=hppa; 
2431                 ACCESS_UNALIGNED="no"
2432                 JIT_SUPPORTED=yes
2433                 ;;
2434         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2435         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2436                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2437                         TARGET=POWERPC64;
2438                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2439                         CFLAGS="$CFLAGS -mminimal-toc"
2440                 else
2441                         TARGET=POWERPC;
2442                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2443                 fi
2444                 arch_target=ppc;
2445                 JIT_SUPPORTED=yes
2446                 case $host_os in
2447                   linux*|darwin*)
2448                         sgen_supported=true
2449                         ;;
2450                 esac
2451                 ;;
2452         arm*-darwin*)
2453                 TARGET=ARM;
2454                 arch_target=arm;
2455                 ACCESS_UNALIGNED="no"
2456                 JIT_SUPPORTED=yes
2457                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2458                 # libgc's gc_locks.h depends on this
2459             NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2460                 sgen_supported=true
2461                 ;;
2462         arm*-linux*)
2463                 TARGET=ARM;
2464                 arch_target=arm;
2465                 ACCESS_UNALIGNED="no"
2466                 JIT_SUPPORTED=yes
2467                 sgen_supported=true
2468                 AOT_SUPPORTED="yes"
2469                 ;;
2470         s390-*-linux*)
2471                 TARGET=S390;
2472                 arch_target=s390;
2473                 ACCESS_UNALIGNED="yes"
2474                 JIT_SUPPORTED=yes
2475                 sgen_supported=true
2476                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
2477                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2478                 ;;
2479         s390x-*-linux*)
2480                 TARGET=S390x;
2481                 arch_target=s390x;
2482                 ACCESS_UNALIGNED="yes"
2483                 JIT_SUPPORTED=yes
2484                 sgen_supported=true
2485                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2486                 ;;
2487 esac
2488
2489 HOST=$TARGET
2490
2491 if test "x$host" != "x$target"; then
2492    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2493    enable_mcs_build=no
2494    case "$target" in
2495    arm*-darwin*)
2496                 TARGET=ARM;
2497                 arch_target=arm;
2498                 ACCESS_UNALIGNED="no"
2499                 JIT_SUPPORTED=yes
2500                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2501                 jit_wanted=true
2502                 # Can't use tls, since it depends on the runtime detection of tls offsets
2503                 # in mono-compiler.h
2504                 with_tls=pthread
2505
2506                 AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2507                 ;;
2508    powerpc64-ps3-linux-gnu)
2509                 TARGET=POWERPC64
2510                 arch_target=powerpc64
2511                 AC_DEFINE(TARGET_PS3, 1, [...])
2512                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2513                 # uses this define
2514                 AC_DEFINE(__mono_ppc64__, 1, [...])
2515                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2516                 sizeof_register=8
2517                 target_byte_order=G_BIG_ENDIAN
2518                 ;;
2519
2520    powerpc64-xbox360-linux-gnu)
2521                 TARGET=POWERPC64
2522                 arch_target=powerpc64
2523                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2524                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2525                 # uses this define
2526                 sizeof_register=8
2527                 target_byte_order=G_BIG_ENDIAN
2528                 ;;
2529    x86_64-*-nacl)
2530                 TARGET=AMD64
2531                 arch_target=amd64
2532                 AC_DEFINE(TARGET_AMD64, 1, [...])
2533                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2534                 sizeof_register=8
2535                 ;;
2536    *-*-nacl)
2537                 TARGET=X86
2538                 arch_target=x86
2539                 AC_DEFINE(TARGET_X86, 1, [...])
2540                 sizeof_register=4
2541                 ;;
2542    arm*-unknown-linux-gnueabi*)
2543                 TARGET=ARM;
2544                 arch_target=arm;
2545                 AC_DEFINE(TARGET_ARM, 1, [...])
2546                 ACCESS_UNALIGNED="no"
2547                 JIT_SUPPORTED=yes
2548                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2549                 jit_wanted=true
2550                 # Can't use tls, since it depends on the runtime detection of tls offsets
2551                 # in mono-compiler.h
2552                 with_tls=pthread
2553                 target_mach=no
2554                 case "$target" in
2555                 armv7l-unknown-linux-gnueabi*)
2556                         # TEGRA
2557                         CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1"
2558                         ;;
2559                 armv5-*-linux-androideabi*)
2560                         AC_DEFINE(TARGET_ANDROID, 1, [...])
2561                         CPPFLAGS="$CPPFLAGS -DARM_FPU_NONE"
2562                         ;;
2563                 esac
2564                 ;;
2565         *)
2566                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2567         esac
2568 fi
2569
2570 # FIXME: Define the others as well
2571 case "$TARGET" in
2572 X86)
2573         AC_DEFINE(TARGET_X86, 1, [...])
2574         ;;
2575 AMD64)
2576         AC_DEFINE(TARGET_AMD64, 1, [...])
2577         ;;
2578 ARM)
2579         AC_DEFINE(TARGET_ARM, 1, [...])
2580         ;;
2581 POWERPC)
2582         AC_DEFINE(TARGET_POWERPC, 1, [...])
2583         ;;
2584 POWERPC64)
2585         AC_DEFINE(TARGET_POWERPC, 1, [...])
2586         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2587         ;;
2588 S390x)
2589         AC_DEFINE(TARGET_S390X, 1, [...])
2590         ;;
2591 MIPS)
2592         AC_DEFINE(TARGET_MIPS, 1, [...])
2593         ;;
2594 esac
2595
2596 if test "x$target_mach" = "xyes"; then
2597    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2598 fi
2599
2600 if test "x$sizeof_register" = "x4"; then
2601    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2602 elif test "x$sizeof_register" = "x8"; then
2603    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2604 else
2605    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2606 fi
2607
2608 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2609    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2610 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2611    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2612 else
2613    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2614 fi
2615
2616 if test "x$have_visibility_hidden" = "xyes"; then
2617    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2618 fi
2619
2620 if test "x$have_deprecated" = "xyes"; then
2621    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2622 fi
2623
2624 dnl 
2625 dnl Simple Generational checks (sgen)
2626 dnl
2627 if $sgen_supported; then
2628    build_sgen_default=yes
2629 else
2630    build_sgen_default=no
2631 fi
2632 SGEN_DEFINES=
2633 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2634 if test x$buildsgen = xyes; then
2635    if $sgen_supported; then
2636        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2637        gc_msg="sgen and $gc_msg"
2638    else
2639        buildsgen=no
2640        AC_MSG_WARN("Sgen is not supported on this platform")
2641    fi
2642 fi
2643 AC_SUBST(SGEN_DEFINES)
2644 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2645
2646 USEJIT=false
2647 if test x$JIT_SUPPORTED = xyes; then
2648    if $jit_wanted; then
2649       USEJIT=true
2650       jit_status="Building and using the JIT"
2651    else
2652       if $interp_wanted; then
2653          jit_status="Building the JIT, defaulting to the interpreter"
2654       else
2655          AC_ERROR(No JIT or interpreter support available or selected.)
2656       fi
2657    fi
2658 else
2659    if test x$interp_wanted = xtrue; then
2660       jit_status="interpreter"
2661    else
2662       AC_ERROR(No JIT or interpreter support available or selected.)
2663    fi
2664 fi
2665
2666 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2667
2668 libsuffix=".so"
2669
2670 case "$host" in
2671      *-*-darwin*)
2672         libsuffix=".dylib"
2673         LIBC="libc.dylib"
2674         INTL="libintl.dylib"
2675         SQLITE="libsqlite.0.dylib"
2676         SQLITE3="libsqlite3.0.dylib"
2677         X11="libX11.dylib"
2678         ;;
2679      *-*-*netbsd*)
2680         LIBC="libc.so.12"
2681         INTL="libintl.so.0"
2682         ;;
2683     *-*-*freebsd*)
2684         LIBC="libc.so"
2685         INTL="libintl.so"
2686         SQLITE="libsqlite.so"
2687         SQLITE3="libsqlite3.so"
2688         ;;
2689     *-*-*openbsd*)
2690         LIBC="libc.so"
2691         INTL="libintl.so"
2692         SQLITE="libsqlite.so"
2693         SQLITE3="libsqlite3.so"
2694         ;;
2695     *-*-*linux*)
2696         AC_PATH_X
2697         AC_MSG_CHECKING(for the soname of libX11.so)
2698         for i in $x_libraries /usr/lib /usr/lib64; do
2699                 for r in 4 5 6; do
2700                         if test -f $i/libX11.so.$r; then
2701                                 X11=libX11.so.$r
2702                                 AC_MSG_RESULT($X11)
2703                         fi
2704                 done
2705         done
2706         
2707         if test "x$X11" = "xlibX11.so"; then
2708                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2709                 X11=libX11.so.6
2710         fi
2711         ;;
2712 esac
2713
2714
2715 AC_SUBST(libsuffix)
2716
2717 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2718         if test "x$with_tls" = "x__thread"; then
2719                 #
2720                 # On some linux distributions, TLS works in executables, but linking 
2721                 # against a shared library containing TLS fails with:
2722                 # undefined reference to `__tls_get_addr'
2723                 #
2724                 rm -f conftest.c conftest.so conftest
2725                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
2726                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2727                 $CC -o conftest conftest.so > /dev/null 2>&1
2728                 if test ! -f conftest; then
2729                    AC_MSG_WARN([Disabling usage of __thread.]);
2730                    with_tls=pthread
2731                 fi
2732                 rm -f conftest.c conftest.so conftest
2733         fi
2734 fi
2735
2736 mono_debugger_supported=no
2737 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
2738 if test "x$try_mono_debugger" = "xyes"; then
2739         if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA" -o "x$TARGET" = "xS390x"; then
2740                 if test x$use_included_gc = xyes; then
2741                         case "$host" in
2742                         *-*-*linux*)
2743                                 mono_debugger_supported=yes
2744                                 ;;
2745                         *86-apple-darwin*)
2746                                 mono_debugger_supported=yes
2747                                 ;;              
2748                         esac
2749                 fi
2750         fi
2751 fi
2752
2753 # disable the debugger entirely when building with moonlight
2754 if test "x$with_moonlight" != "xno"; then
2755         mono_debugger_supported=no
2756 fi
2757
2758 # mdb support for sgen is broken, disable it until further notice.
2759 mono_debugger_supported=no
2760
2761 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2762 if test "x$mono_debugger_supported" = "xyes"; then
2763         BOEHM_DEFINES="$BOEHM_DEFINES -DMONO_DEBUGGER_SUPPORTED"
2764         NESTED_LIBGC_FLAGS="-DMONO_DEBUGGER_SUPPORTED"
2765 fi
2766 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2767 AC_MSG_RESULT($mono_debugger_supported)
2768
2769 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
2770 if test "x$icall_symbol_map" = "xyes"; then
2771    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
2772 fi
2773
2774 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
2775 if test "x$icall_export" = "xyes"; then
2776    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
2777 fi
2778
2779 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
2780 if test "x$icall_tables" = "xno"; then
2781    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
2782 fi
2783
2784 if test "x$with_tls" = "x__thread"; then
2785         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2786         # Pass the information to libgc
2787         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2788         AC_MSG_CHECKING(if the tls_model attribute is supported)
2789         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2790                 ], [
2791                         AC_MSG_RESULT(yes)
2792                         # CLANG doesn't support this yet, and it prints warnings about it
2793                         if test "x$mono_cv_clang" = "xno"; then
2794                                 AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
2795                         fi
2796                 ], [
2797                         AC_MSG_RESULT(no)
2798         ])
2799 fi
2800
2801 if test ${TARGET} = ARM && test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2802         dnl ******************************************
2803         dnl *** Check to see what FPU is available ***
2804         dnl ******************************************
2805         AC_MSG_CHECKING(which FPU to use)
2806
2807         fpu=NONE
2808         if gcc -v 2>&1 | grep -q -- '--with-float=hard'; then
2809            fpu=VFP_HARD
2810         fi
2811
2812         if test x$fpu = xNONE; then
2813            ORIG_CFLAGS=$CFLAGS
2814            CFLAGS="$CFLAGS -mfpu=vfp -mfloat-abi=softfp"
2815            AC_TRY_RUN([
2816                                 int main () { __asm__ ("faddd   d7, d6, d7"); return 0; }
2817                                 ], fpu=VFP, fpu=NONE)
2818            CFLAGS=$ORIG_CFLAGS
2819         fi
2820
2821         if test x$fpu = xNONE; then
2822                 AC_TRY_COMPILE([], [
2823                         __asm__ ("ldfd f0, [r0]");
2824                         ], fpu=FPA, fpu=NONE)
2825         fi
2826
2827         AC_MSG_RESULT($fpu)
2828         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
2829         unset fpu
2830
2831         AC_MSG_CHECKING(for ARMV6)
2832         AC_TRY_RUN([
2833                 int main () { __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : "memory"); return 0; }
2834                         ], armv6=yes, armv6=no)
2835
2836         AC_MSG_RESULT($armv6)
2837         if test ${armv6} = yes; then
2838            AC_DEFINE(HAVE_ARMV6, 1, "Host supports ARMV6 instructions")
2839            # libgc's gc_locks.h depends on this
2840            NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2841         fi
2842 fi
2843
2844 if test ${TARGET} = unknown; then
2845         CPPFLAGS="$CPPFLAGS -DNO_PORT"
2846         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
2847 fi
2848
2849 if test ${ACCESS_UNALIGNED} = no; then
2850         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
2851 fi
2852
2853 case "x$gc" in
2854         xincluded)
2855                 # Pass CPPFLAGS to libgc configure
2856                 # We should use a separate variable for this to avoid passing useless and
2857                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
2858                 # This should be executed late so we pick up the final version of CPPFLAGS
2859                 # The problem with this approach, is that during a reconfigure, the main
2860                 # configure scripts gets invoked with these arguments, so we use separate
2861                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
2862                 TMP_CPPFLAGS="$CPPFLAGS $NESTED_LIBGC_FLAGS"
2863                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
2864                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
2865                 fi
2866                 # Don't pass -finstrument-for-thread-suspension in, 
2867                 # if these are instrumented it will be very bad news 
2868                 # (infinite recursion, undefined parking behavior, etc)
2869                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
2870                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
2871                 AC_CONFIG_SUBDIRS(libgc)
2872                 ;;
2873 esac
2874
2875 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
2876 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
2877 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
2878 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
2879 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
2880
2881 OPROFILE=no
2882 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
2883         if test x$with_oprofile != xno; then
2884             oprofile_include=$with_oprofile/include
2885             if test ! -f $oprofile_include/opagent.h; then
2886                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
2887                 fi
2888             OPROFILE=yes
2889                 OPROFILE_CFLAGS="-I$oprofile_include"
2890             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
2891             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
2892         fi
2893 ])
2894
2895 MALLOC_MEMPOOLS=no
2896 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
2897         if test x$with_malloc_mempools = xyes; then
2898                 MALLOC_MEMPOOLS=yes
2899                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
2900         fi
2901 ])
2902
2903
2904 DISABLE_MCS_DOCS=no
2905 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
2906         if test x$with_mcs_docs != xyes; then
2907                 DISABLE_MCS_DOCS=yes
2908         fi
2909 ])
2910 if test x$with_profile4 != xyes; then
2911         DISABLE_MCS_DOCS=yes
2912 fi
2913
2914 MOONLIGHT_DEFINES=
2915 AC_ARG_WITH(moonlight, [  --with-moonlight=yes|no|only         If you want to build Mono for Moonlight (defaults to no)],[
2916         if test x$with_moonlight != xno; then
2917         MOONLIGHT_DEFINES="-DMOONLIGHT -DDISABLE_ASSEMBLY_REMAPPING "
2918         fi
2919 ], [with_moonlight=no])
2920 AC_SUBST(MOONLIGHT_DEFINES)
2921
2922 AC_ARG_WITH(moon_gc, [  --with-moon-gc=boehm,sgen               Select the gc to use with Moonlight (defaults to boehm)],[
2923         if test "x$with_moon_gc" != "xsgen"; then
2924                 with_moon_gc=boehm
2925         fi
2926 ], [with_moon_gc=boehm])
2927
2928 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)],[
2929         if test x$with_lazy_gc_thread_creation != xno ; then
2930                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
2931         fi
2932 ], [with_lazy_gc_thread_creation=no])
2933
2934 AC_CHECK_HEADER([malloc.h], 
2935                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
2936                         [Define to 1 if you have /usr/include/malloc.h.])],,)
2937
2938 if test x"$GCC" = xyes; then
2939         # Implicit function declarations are not 64 bit safe
2940         # Do this late, since this causes lots of configure tests to fail
2941         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
2942         # jay has a lot of implicit declarations
2943         JAY_CFLAGS="-Wno-implicit-function-declaration"
2944 fi
2945
2946 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
2947 # instead of libmono-static.a
2948 if test "x$enable_shared" = "xno"; then
2949    LIBMONO_LA=libmini-static.la
2950 else
2951    LIBMONO_LA=libmono-$API_VER.la
2952 fi
2953 AC_SUBST(LIBMONO_LA)
2954
2955 dnl
2956 dnl Consistency settings
2957 dnl
2958 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
2959    DISABLE_MCS_DOCS=yes
2960    with_profile2=no
2961    with_profile4=no
2962    with_profile4_5=no
2963    with_monodroid=no
2964    with_monotouch=no
2965 fi
2966
2967 if test x$DISABLE_MCS_DOCS = xyes; then
2968    docs_dir=""
2969 else
2970    docs_dir=docs
2971 fi
2972 AC_SUBST(docs_dir)
2973
2974 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
2975 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
2976
2977 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
2978 AC_SUBST(OPROFILE_CFLAGS)
2979 AC_SUBST(OPROFILE_LIBS)
2980
2981 libmono_ldflags="$libmono_ldflags $LIBS"
2982
2983 AM_CONDITIONAL(MOONLIGHT, [test "x$with_moonlight" != "xno"])
2984
2985 AM_CONDITIONAL(ONLY_MOONLIGHT, [test "x$with_moonlight" = "xonly"])
2986 AM_CONDITIONAL(MOONLIGHT_BOEHM, [test "x$with_moon_gc" = "xboehm"])
2987 AM_CONDITIONAL(MOONLIGHT_SGEN, [test "x$with_moon_gc" = "xsgen"])
2988
2989 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
2990 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
2991 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
2992 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
2993 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
2994
2995 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
2996 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
2997 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
2998 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
2999 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3000 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3001 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
3002 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3003 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
3004 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3005 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3006 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3007 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3008 AM_CONDITIONAL(S390, test x$TARGET = xS390)
3009 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
3010 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
3011 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3012 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3013 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3014
3015 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3016 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3017 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3018
3019 AC_SUBST(LIBC)
3020 AC_SUBST(INTL)
3021 AC_SUBST(SQLITE)
3022 AC_SUBST(SQLITE3)
3023 AC_SUBST(X11)
3024 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3025 AC_SUBST(arch_target)
3026 AC_SUBST(CFLAGS)
3027 AC_SUBST(CPPFLAGS)
3028 AC_SUBST(LDFLAGS)
3029
3030 mono_build_root=`pwd`
3031 AC_SUBST(mono_build_root)
3032
3033 if test x$USEJIT = xtrue; then
3034   mono_runtime=mono/mini/mono
3035 else
3036   mono_runtime=mono/interpreter/mint
3037 fi
3038 AC_SUBST(mono_runtime)
3039
3040 mono_cfg_root=$mono_build_root/runtime
3041 if test x$host_win32 = xyes; then
3042   if test "x$cross_compiling" = "xno"; then
3043     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3044   else
3045     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3046   fi
3047 else
3048   mono_cfg_dir=$mono_cfg_root/etc
3049 fi
3050 AC_SUBST(mono_cfg_dir)
3051
3052 AC_CONFIG_FILES([po/mcs/Makefile.in])
3053
3054 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3055 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3056
3057 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3058 [   depth=../../../..
3059     case $srcdir in
3060     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3061     .) reldir=$depth ;;
3062     *) reldir=$depth/$srcdir ;;
3063     esac
3064     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3065     cd runtime/etc/mono/1.0
3066     rm -f machine.config
3067     $LN_S $reldir/data/net_1_1/machine.config machine.config
3068     cd $depth
3069 ],[LN_S='$LN_S'])
3070
3071 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3072 [   depth=../../../..
3073     case $srcdir in
3074     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3075     .) reldir=$depth ;;
3076     *) reldir=$depth/$srcdir ;;
3077     esac
3078     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3079     cd runtime/etc/mono/2.0
3080     rm -f machine.config
3081     $LN_S $reldir/data/net_2_0/machine.config machine.config
3082     cd $depth
3083 ],[LN_S='$LN_S'])
3084
3085 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3086 [   depth=../../../..
3087     case $srcdir in
3088     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3089     .) reldir=$depth ;;
3090     *) reldir=$depth/$srcdir ;;
3091     esac
3092     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3093     cd runtime/etc/mono/2.0
3094     rm -f web.config
3095     $LN_S $reldir/data/net_2_0/web.config web.config
3096     cd $depth
3097 ],[LN_S='$LN_S'])
3098
3099 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3100 [   depth=../../..
3101     case $srcdir in
3102     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3103     .) reldir=$depth ;;
3104     *) reldir=$depth/$srcdir ;;
3105     esac
3106     $ac_aux_dir/install-sh -d runtime/etc/mono/
3107     cd runtime/etc/mono/
3108     rm -f browscap.ini
3109     $LN_S $reldir/data/browscap.ini browscap.ini
3110     cd $depth
3111 ],[LN_S='$LN_S'])
3112
3113 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3114 [   depth=../../../../..
3115     case $srcdir in
3116     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3117     .) reldir=$depth ;;
3118     *) reldir=$depth/$srcdir ;;
3119     esac
3120     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3121     cd runtime/etc/mono/2.0/Browsers
3122     rm -f Compat.browser
3123     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
3124     cd $depth
3125 ],[LN_S='$LN_S'])
3126
3127 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3128 [   depth=../../../..
3129     case $srcdir in
3130     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3131     .) reldir=$depth ;;
3132     *) reldir=$depth/$srcdir ;;
3133     esac
3134     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3135     cd runtime/etc/mono/4.0
3136     rm -f machine.config
3137     $LN_S $reldir/data/net_4_0/machine.config machine.config
3138     cd $depth
3139 ],[LN_S='$LN_S'])
3140
3141 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3142 [   depth=../../../..
3143     case $srcdir in
3144     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3145     .) reldir=$depth ;;
3146     *) reldir=$depth/$srcdir ;;
3147     esac
3148     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3149     cd runtime/etc/mono/4.0
3150     rm -f web.config
3151     $LN_S $reldir/data/net_4_0/web.config web.config
3152     cd $depth
3153 ],[LN_S='$LN_S'])
3154
3155 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3156 [   depth=../../../..
3157     case $srcdir in
3158     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3159     .) reldir=$depth ;;
3160     *) reldir=$depth/$srcdir ;;
3161     esac
3162     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3163     cd runtime/etc/mono/4.5
3164     rm -f machine.config
3165     $LN_S $reldir/data/net_4_5/machine.config machine.config
3166     cd $depth
3167 ],[LN_S='$LN_S'])
3168
3169 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3170 [   depth=../../../..
3171     case $srcdir in
3172     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3173     .) reldir=$depth ;;
3174     *) reldir=$depth/$srcdir ;;
3175     esac
3176     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3177     cd runtime/etc/mono/4.5
3178     rm -f web.config
3179     $LN_S $reldir/data/net_4_5/web.config web.config
3180     cd $depth
3181 ],[LN_S='$LN_S'])
3182
3183 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])
3184
3185 AC_OUTPUT([
3186 Makefile
3187 mono-core.spec
3188 mono-uninstalled.pc
3189 scripts/mono-find-provides
3190 scripts/mono-find-requires
3191 mono/Makefile
3192 mono/utils/Makefile
3193 mono/metadata/Makefile
3194 mono/dis/Makefile
3195 mono/cil/Makefile
3196 mono/arch/Makefile
3197 mono/arch/x86/Makefile
3198 mono/arch/amd64/Makefile
3199 mono/arch/hppa/Makefile
3200 mono/arch/ppc/Makefile
3201 mono/arch/sparc/Makefile
3202 mono/arch/s390/Makefile
3203 mono/arch/s390x/Makefile
3204 mono/arch/arm/Makefile
3205 mono/arch/alpha/Makefile
3206 mono/arch/ia64/Makefile
3207 mono/arch/mips/Makefile
3208 mono/interpreter/Makefile
3209 mono/tests/Makefile
3210 mono/tests/tests-config
3211 mono/tests/assemblyresolve/Makefile
3212 mono/tests/cas/Makefile
3213 mono/tests/cas/assembly/Makefile
3214 mono/tests/cas/demand/Makefile
3215 mono/tests/cas/inheritance/Makefile
3216 mono/tests/cas/linkdemand/Makefile
3217 mono/tests/cas/threads/Makefile
3218 mono/benchmark/Makefile
3219 mono/monograph/Makefile
3220 mono/io-layer/Makefile
3221 mono/mini/Makefile
3222 mono/profiler/Makefile
3223 m4/Makefile
3224 ikvm-native/Makefile
3225 scripts/Makefile
3226 man/Makefile
3227 docs/Makefile
3228 data/Makefile
3229 data/net_2_0/Makefile
3230 data/net_4_0/Makefile
3231 data/net_4_5/Makefile
3232 data/net_2_0/Browsers/Makefile
3233 data/mint.pc
3234 data/mono-2.pc
3235 data/monosgen-2.pc
3236 data/mono.pc
3237 data/mono-cairo.pc
3238 data/mono-nunit.pc
3239 data/mono-options.pc
3240 data/mono-lineeditor.pc
3241 data/monodoc.pc
3242 data/mono.web.pc
3243 data/dotnet.pc
3244 data/dotnet35.pc
3245 data/wcf.pc
3246 data/cecil.pc
3247 data/system.web.extensions_1.0.pc
3248 data/system.web.extensions.design_1.0.pc
3249 data/system.web.mvc.pc
3250 data/system.web.mvc2.pc
3251 data/system.web.mvc3.pc
3252 data/aspnetwebstack.pc
3253 samples/Makefile
3254 support/Makefile
3255 data/config
3256 tools/Makefile
3257 tools/locale-builder/Makefile
3258 tools/sgen/Makefile
3259 runtime/Makefile
3260 msvc/Makefile
3261 po/Makefile
3262 ])
3263
3264 # Update all submodules recursively to ensure everything is checked out
3265 $srcdir/scripts/update_submodules
3266
3267 if test x$host_win32 = xyes; then
3268    # Get rid of 'cyg' prefixes in library names
3269    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3270    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3271    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3272    # executable doesn't work...
3273    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3274 fi
3275
3276 (
3277   case $prefix in
3278   NONE) prefix=$ac_default_prefix ;;
3279   esac
3280   case $exec_prefix in
3281   NONE) exec_prefix='${prefix}' ;;
3282   esac
3283
3284   #
3285   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3286   # any existing config.make.  This allows people to share the same source tree
3287   # with different build directories, one native and one cross
3288   #
3289   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3290
3291     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3292
3293     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3294     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3295     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3296     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3297     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3298     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3299     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3300     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3301
3302     case $INSTALL in
3303     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3304     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3305     esac
3306
3307     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3308
3309     export VERSION
3310     [myver=$($AWK 'BEGIN {
3311       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3312       if(length(vsplit [1]) > 4) {
3313         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3314       }
3315       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3316     }')]
3317
3318     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3319
3320     if test x$platform_darwin = xyes; then
3321       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3322     fi
3323
3324         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3325            enable_system_aot=yes
3326         fi
3327
3328         if test "x$enable_loadedllvm" = "xyes"; then
3329            # This seems to fail on the x86 buildbots
3330            enable_system_aot=no
3331         fi
3332
3333     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3334       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3335     fi
3336
3337     if test x$DISABLE_MCS_DOCS = xyes; then
3338       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3339     fi
3340
3341     if test x$with_moonlight != xno; then
3342       echo "MOONLIGHT = 1" >> $srcdir/$mcsdir/build/config.make
3343     fi
3344
3345         default_profile=net_2_0
3346     if test -z "$INSTALL_4_0_TRUE"; then :
3347                 default_profile=net_4_0
3348     fi
3349     if test -z "$INSTALL_MONODROID_TRUE"; then :
3350                 default_profile=monodroid
3351     fi
3352     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3353                 default_profile=monotouch
3354     fi
3355     if test -z "$INSTALL_4_5_TRUE"; then :
3356                 default_profile=net_4_5
3357     fi
3358     
3359     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3360     
3361     if test "x$test_bcl_opt" = "xyes"; then    
3362       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3363     fi
3364
3365   fi
3366
3367   # if we have an olive folder, override the default settings
3368   if test -d $olivedir; then
3369
3370     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3371
3372       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3373
3374       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3375       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3376       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3377       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3378       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3379       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3380     fi
3381   fi
3382
3383 )
3384
3385 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3386
3387 echo "
3388         mcs source:    $mcsdir
3389
3390    Engine:
3391         GC:            $gc_msg 
3392         TLS:           $with_tls
3393         SIGALTSTACK:   $with_sigaltstack
3394         Engine:        $jit_status
3395         oprofile:      $OPROFILE
3396         BigArrays:     $enable_big_arrays
3397         DTrace:        $enable_dtrace
3398         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3399
3400    Libraries:
3401         .NET 2.0/3.5:  $with_profile2
3402         .NET 4.0:      $with_profile4
3403         .NET 4.5:      $with_profile4_5
3404         MonoDroid:     $with_monodroid
3405         MonoTouch:     $with_monotouch
3406         JNI support:   $jdk_headers_found
3407         libgdiplus:    $libgdiplus_msg
3408         zlib:          $zlib_msg
3409         $disabled
3410 "
3411 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3412    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3413 fi