Merge pull request #444 from knocte/xbuild_improvements
[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, [2.11.4],
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 # In case of cygwin, override LN_S, irrespective of what it determines.
26 # The build uses cygwin, but the actual runtime doesn't.
27 case $host_os in
28 *cygwin* ) LN_S='cp -p';;
29 esac
30
31 dnl
32 dnl libgc checks
33 dnl
34
35 gc_headers=no
36 gc=included
37 gc_msg="included Boehm"
38 use_included_gc=no
39 libgc_configure_args=
40
41 if test -d $srcdir/libgc ; then
42   gc_default=included
43 else
44   gc_default=boehm
45 fi
46
47 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
48 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
49 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
50 CFLAGS_FOR_LIBGC=$CFLAGS
51 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
52 CFLAGS_FOR_EGLIB=$CFLAGS
53
54 #
55 # These are the flags that need to be stored in the mono.pc file for 
56 # compiling code that will embed Mono
57 #
58 libmono_cflags=""
59 libmono_ldflags=""
60 AC_SUBST(libmono_cflags)
61 AC_SUBST(libmono_ldflags)
62
63 # Variable to have relocatable .pc files (lib, or lib64)
64 reloc_libdir=`basename ${libdir}`
65 AC_SUBST(reloc_libdir)
66
67 dnl if linker handles the version script
68 no_version_script=no
69
70 # Set to yes if Unix sockets cannot be created in an anonymous namespace
71 need_link_unlink=no
72
73 # Thread configuration inspired by sleepycat's db
74 AC_MSG_CHECKING([host platform characteristics])
75 libgc_threads=no
76 has_dtrace=no
77 parallel_mark=yes
78 ikvm_native=yes
79
80 case "$host" in
81         powerpc*-*-linux*)
82                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
83                 disable_munmap=yes
84         ;;
85 esac
86
87 host_win32=no
88 target_win32=no
89 platform_android=no
90 case "$host" in
91         *-mingw*|*-*-cygwin*)
92                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
93                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
94                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
95                 host_win32=yes
96                 mono_cv_clang=no
97                 if test "x$cross_compiling" = "xno"; then
98                         target_win32=yes
99                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
100                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
101                         fi
102                         #
103                         # gcc-3/g++-3 are from the gcc-core/gcc-g++ cygwin packages.
104                         # Other gcc packages will not work:
105                         # - the gcc-4 packages no longer support -mno-cygwin
106                         # - the mingw-gcc packages produce executables which depends on a libgcc<...>
107                         # dll, which means we would have to distribute that file too.
108                         #
109                         if test "x$CC" != "x"; then
110                                 AC_ERROR(Don't set CC. mono can only be compiled with gcc-3 from the 'gcc-core' package)
111                         fi
112                         CC="gcc-3.exe -mno-cygwin -g"
113                         CXX="g++-3.exe -mno-cygwin -g"
114                         # So libgc configure gets -mno-cygwin
115                         export CC
116                         export CXX
117                         CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -mno-cygwin"
118                 else
119                         target_win32=yes
120                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
121                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
122                 fi
123                 HOST_CC="gcc"
124                 # Windows 2000 is required that includes Internet Explorer 5.01
125                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
126                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
127                 libmono_cflags="-mno-cygwin -mms-bitfields -mwindows"
128                 libmono_ldflags="-mno-cygwin -mms-bitfields -mwindows"
129                 libdl=
130                 libgc_threads=win32
131                 gc_default=included
132                 with_sigaltstack=no
133                 LN_S=cp
134                 # This forces libgc to use the DllMain based thread registration code on win32
135                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
136                 ;;
137         *-*-*netbsd*)
138                 host_win32=no
139                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
140                 libmono_cflags="-D_REENTRANT"
141                 LDFLAGS="$LDFLAGS -pthread"
142                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
143                 libmono_ldflags="-pthread"
144                 need_link_unlink=yes
145                 libdl="-ldl"
146                 libgc_threads=pthreads
147                 with_sigaltstack=no
148                 use_sigposix=yes
149                 ;;
150         *-*-*freebsd*)
151                 host_win32=no
152                 if test "x$PTHREAD_CFLAGS" = "x"; then
153                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
154                         libmono_cflags=
155                 else
156                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
157                         libmono_cflags="$PTHREAD_CFLAGS"
158                 fi
159                 if test "x$PTHREAD_LIBS" = "x"; then
160                         LDFLAGS="$LDFLAGS -pthread"
161                         libmono_ldflags="-pthread"
162                 else
163                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
164                         libmono_ldflags="$PTHREAD_LIBS"
165                 fi
166                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
167                 need_link_unlink=yes
168                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
169                 libdl=
170                 libgc_threads=pthreads
171                 # This doesn't seem to work as of 7.0 on amd64
172                 with_sigaltstack=no
173 # TLS is only partially implemented on -CURRENT (compiler support
174 # but NOT library support)
175 #
176                 with_tls=pthread
177                 use_sigposix=yes
178                 ;;
179         *-*-*openbsd*)
180                 host_win32=no
181                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
182                 if test "x$disable_munmap" != "xyes"; then
183                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
184                 fi
185                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
186                 LDFLAGS="$LDFLAGS -pthread"
187                 need_link_unlink=yes
188                 AC_DEFINE(PTHREAD_POINTER_ID)
189                 libdl=
190                 gc_default=boehm
191                 libgc_threads=pthreads
192                 with_sigaltstack=no
193                 use_sigposix=yes
194                 ;;
195         *-*-linux-android*)
196                 host_win32=no
197                 platform_android=yes
198                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
199                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
200
201                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
202                 if test "x$disable_munmap" != "xyes"; then
203                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
204                 fi
205                 libmono_cflags="-D_REENTRANT"
206                 libdl="-ldl"
207                 libgc_threads=pthreads
208                 use_sigposix=yes
209
210                 with_tls=pthread
211                 with_sigaltstack=no
212                 with_static_mono=no
213
214                 # Android doesn't support boehm, as it's missing <link.h>
215                 support_boehm=no
216                 with_gc=sgen
217
218                 # isinf(3) requires -lm; see isinf check below
219                 LDFLAGS="$LDFLAGS -lm"
220
221                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
222                 # PAGE_SIZE; breaks mono/io-layer/collection.c
223                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
224                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
225                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
226
227                 # to bypass the underscore linker check, can't work when cross-compiling
228                 mono_cv_uscore=yes
229                 mono_cv_clang=no
230                 ;;
231         *-*-linux*)
232                 host_win32=no
233                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
234                 if test "x$disable_munmap" != "xyes"; then
235                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
236                 fi
237                 libmono_cflags="-D_REENTRANT"
238                 libdl="-ldl"
239                 libgc_threads=pthreads
240                 use_sigposix=yes
241                 ;;
242         *-*-nacl*)
243                 host_win32=no
244                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
245                 if test "x$disable_munmap" != "xyes"; then
246                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
247                 fi
248                 libmono_cflags="-D_REENTRANT"
249                 libdl=
250                 libgc_threads=pthreads
251                 gc_default=boehm
252                 use_sigposix=yes
253                 ikvm_native=no
254                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
255                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
256                 ;;
257         *-*-hpux*)
258                 host_win32=no
259                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
260                 # +ESdbgasm only valid on bundled cc on RISC
261                 # silently ignored for ia64
262                 if test $GCC != "yes"; then
263                         CFLAGS="$CFLAGS +ESdbgasm"
264                         # Arrange for run-time dereferencing of null
265                         # pointers to produce a SIGSEGV signal.
266                         LDFLAGS="$LDFLAGS -z"
267                 fi
268                 CFLAGS="$CFLAGS +ESdbgasm"
269                 LDFLAGS="$LDFLAGS -z"
270                 libmono_cflags="-D_REENTRANT"
271                 libmono_ldflags="-lpthread"
272                 libgc_threads=pthreads
273                 need_link_unlink=yes
274                 use_sigposix=yes
275                 ;;
276         *-*-solaris*)
277                 host_win32=no
278                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
279                 need_link_unlink=yes
280                 libmono_cflags="-D_REENTRANT"
281                 libgc_threads=pthreads
282                 # This doesn't seem to work on solaris/x86, but the configure test runs
283                 with_tls=pthread
284                 has_dtrace=yes
285                 use_sigposix=yes
286                 enable_solaris_tar_check=yes
287                 ;;
288         *-*-darwin*)
289                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
290                 host_win32=no
291                 platform_darwin=yes
292                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
293                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
294                 libmono_cflags="-D_THREAD_SAFE"
295                 LDFLAGS="$LDFLAGS -pthread"
296                 libmono_ldflags="-pthread"
297                 need_link_unlink=yes
298                 AC_DEFINE(PTHREAD_POINTER_ID)
299                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
300                 no_version_script=yes
301                 libdl=
302                 libgc_threads=pthreads
303                 has_dtrace=yes
304                 if test "x$cross_compiling" = "xyes"; then
305                         has_broken_apple_cpp=yes
306                 fi
307                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
308                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
309                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
310                 case "$host" in
311                         dnl Snow Leopard and newer config.guess reports as this
312                         i*86-*-darwin*)
313                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE -mmacosx-version-min=10.5"
314                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_FLAGS"
315                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
316                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
317                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
318                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
319                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
320                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
321                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
322                                 ;;
323                 esac
324                 ;;
325         *-*-haiku*)
326                 host_win32=no
327                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
328                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
329                 libdl=
330                 LIBS="$LIBS -lnetwork"
331                 need_link_unlink=yes
332                 AC_DEFINE(PTHREAD_POINTER_ID)
333                 libgc_threads=pthreads
334                 use_sigposix=yes
335                 ;;
336         *)
337                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
338                 host_win32=no
339                 libdl="-ldl"
340                 ;;
341 esac
342 AC_MSG_RESULT(ok)
343
344 if test x$need_link_unlink = xyes; then
345    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
346 fi
347
348 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
349 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
350 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
351 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
352 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
353 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
354
355 AC_CHECK_TOOL(CC, gcc, gcc)
356 AC_PROG_CC
357 AC_CHECK_TOOL(CXX, g++, g++)
358 AC_PROG_CXX
359 AM_PROG_AS
360 AM_PROG_CC_STDC
361 AC_PROG_INSTALL
362 AC_PROG_AWK
363 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
364 : ${CCAS='$(CC)'}
365 # Set ASFLAGS if not already set.
366 : ${CCASFLAGS='$(CFLAGS)'}
367 AC_SUBST(CCAS)
368 AC_SUBST(CCASFLAGS)
369
370 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
371 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
372 if test "x$CXX" = "xg++"; then
373         if test "x$GXX" != "xyes"; then
374                 # automake/libtool is so broken, it requires g++ even if the c++ sources
375                 # are inside automake conditionals
376                 AC_MSG_ERROR([You need to install g++])
377         fi
378 fi
379
380 dnl may require a specific autoconf version
381 dnl AC_PROG_CC_FOR_BUILD
382 dnl CC_FOR_BUILD not automatically detected
383 CC_FOR_BUILD=$CC
384 CFLAGS_FOR_BUILD=$CFLAGS
385 BUILD_EXEEXT=
386 if test "x$cross_compiling" = "xyes"; then
387         CC_FOR_BUILD=cc
388         CFLAGS_FOR_BUILD=
389         BUILD_EXEEXT=""
390 fi
391 AC_SUBST(CC_FOR_BUILD)
392 AC_SUBST(CFLAGS_FOR_BUILD)
393 AC_SUBST(HOST_CC)
394 AC_SUBST(BUILD_EXEEXT)
395
396 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
397 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
398
399 # Set STDC_HEADERS
400 AC_HEADER_STDC
401 AC_LIBTOOL_WIN32_DLL
402 # This causes monodis to not link correctly
403 #AC_DISABLE_FAST_INSTALL
404 AM_PROG_LIBTOOL
405 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
406 DOLT
407
408 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
409 AC_SUBST(export_ldflags)
410
411 # Test whenever ld supports -version-script
412 AC_PROG_LD
413 AC_PROG_LD_GNU
414 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
415    no_version_script=yes
416 fi
417
418 AM_ICONV()
419
420 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
421
422 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)
423 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)
424 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
425                   [], [], [#include <stddef.h>
426                   #include <sys/socket.h>
427                   #include <linux/socket.h>])
428
429 AC_CHECK_HEADERS(sys/user.h, [], [],
430 [
431 #ifdef HAVE_SYS_PARAM_H
432 # include <sys/param.h>
433 #endif
434 ])
435
436 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
437 if test x$have_zlib = xyes; then
438    AC_TRY_COMPILE([#include <zlib.h>], [
439    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
440    return 0;
441    #else
442    #error No good zlib found
443    #endif
444    ],[
445         AC_MSG_RESULT(Using system zlib)
446         zlib_msg="system zlib"
447         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
448    ],[
449         AC_MSG_RESULT(Using embedded zlib)
450         have_zlib=no
451         zlib_msg="bundled zlib"
452    ])
453 fi
454
455 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
456 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
457
458 # for mono/metadata/debug-symfile.c
459 AC_CHECK_HEADERS(elf.h)
460
461 # for support
462 AC_CHECK_HEADERS(poll.h)
463 AC_CHECK_HEADERS(sys/poll.h)
464 AC_CHECK_HEADERS(sys/wait.h)
465 AC_CHECK_HEADERS(grp.h)
466 AC_CHECK_HEADERS(syslog.h)
467
468 # for mono/dis
469 AC_CHECK_HEADERS(wchar.h)
470 AC_CHECK_HEADERS(ieeefp.h)
471 AC_MSG_CHECKING(for isinf)
472 AC_TRY_LINK([#include <math.h>], [
473         int f = isinf (1);
474 ], [
475         AC_MSG_RESULT(yes)
476         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
477 ], [
478         # We'll have to use signals
479         AC_MSG_RESULT(no)
480 ])
481
482 # for Linux statfs support
483 AC_CHECK_HEADERS(linux/magic.h)
484
485 # not 64 bit clean in cross-compile
486 AC_CHECK_SIZEOF(void *, 4)
487
488 WARN=''
489 if test x"$GCC" = xyes; then
490         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch-enum'
491                 # The runtime code does not respect ANSI C strict aliasing rules
492                 CFLAGS="$CFLAGS -fno-strict-aliasing"
493
494                 ORIG_CFLAGS=$CFLAGS
495                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
496                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
497                 AC_TRY_COMPILE([],[
498                                 return 0;
499                 ], [
500                    AC_MSG_RESULT(yes)
501                 ], [
502                    AC_MSG_RESULT(no)
503                    CFLAGS=$ORIG_CFLAGS
504                 ])
505
506                 ORIG_CFLAGS=$CFLAGS
507                 # Check for the normal version, since gcc ignores unknown -Wno options
508                 CFLAGS="$CFLAGS -Wunused-but-set-variable"
509                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
510                 AC_TRY_COMPILE([],[
511                                 return 0;
512                 ], [
513                    AC_MSG_RESULT(yes)
514                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
515                 ], [
516                    AC_MSG_RESULT(no)
517                    CFLAGS=$ORIG_CFLAGS
518                 ])
519 else
520         # The Sun Forte compiler complains about inline functions that access static variables
521         # so disable all inlining.
522         case "$host" in
523         *-*-solaris*)
524                 CFLAGS="$CFLAGS -Dinline="
525                 ;;
526         esac
527 fi
528 CFLAGS="$CFLAGS -g $WARN"
529 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
530
531 AC_CACHE_CHECK([for clang],
532         mono_cv_clang,[
533         AC_TRY_RUN([
534                 int main () {
535                         #ifdef __clang__
536                                 return 0;
537                         #else
538                                 return 1;
539                         #endif
540                 }
541         ],
542         [mono_cv_clang=yes],
543         [mono_cv_clang=no],
544         [])
545 ])
546
547 # Where's the 'mcs' source tree?
548 if test -d $srcdir/mcs; then
549   mcsdir=mcs
550 else
551   mcsdir=../mcs
552 fi
553
554 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
555         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
556                 mcsdir=$with_mcs_path
557         fi
558 )
559
560 #
561 # A sanity check to catch cases where the package was unpacked
562 # with an ancient tar program (Solaris)
563 #
564 AC_ARG_ENABLE(solaris-tar-check,
565 [  --disable-solaris-tar-check    disable solaris tar check],
566    do_solaris_tar_check=no, do_solaris_tar_check=yes)
567
568 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
569         AC_MSG_CHECKING(integrity of package)
570         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
571         then
572                 AC_MSG_RESULT(ok)
573         else
574                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
575                 AC_MSG_ERROR([$errorm])
576         fi
577 fi
578
579 if test "x$with_mcs_path" != "x"; then
580 mcs_topdir=$(cd "$mcsdir" && pwd)
581 mcs_topdir_from_srcdir=$mcs_topdir
582 else
583 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
584 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
585 fi
586
587 # Convert mcs_topdir* paths to Windows syntax.
588 if test x$cross_compiling$host_win32 = xnoyes; then
589   mcs_topdir=$(cygpath -m $mcs_topdir)
590   case $mcs_topdir_from_srcdir in
591     /cygdrive/*)
592         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
593         ;;
594   esac
595 fi
596
597 AC_SUBST([mcs_topdir])
598 AC_SUBST([mcs_topdir_from_srcdir])
599
600 # Where's the 'olive' source tree?
601 if test -d $srcdir/olive; then
602   olivedir=olive
603 else
604   olivedir=../olive
605 fi
606
607 if test -d $srcdir/$olivedir; then
608 olive_topdir='$(top_srcdir)/'$olivedir
609 fi
610
611 # gettext: prepare the translation directories. 
612 # we do not configure the full gettext, as we consume it dynamically from C#
613 AM_PO_SUBDIRS
614
615 if test "x$USE_NLS" = "xyes"; then
616    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
617
618    if test "x$HAVE_MSGFMT" = "xno"; then
619           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
620    fi
621 fi
622
623 AC_ARG_WITH([libgdiplus], 
624         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)], 
625         [], [with_libgdiplus=installed])
626
627 case $with_libgdiplus in
628 no|installed) libgdiplus_loc= ;;
629 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
630 /*) libgdiplus_loc=$with_libgdiplus ;;
631 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
632 esac
633 AC_SUBST([libgdiplus_loc])
634
635 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
636
637 pkg_config_path=
638 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
639         if test x$with_crosspkgdir = "x"; then
640                 if test -s $PKG_CONFIG_PATH; then
641                         pkg_config_path=$PKG_CONFIG_PATH
642                 fi
643         else
644                 pkg_config_path=$with_crosspkgdir
645                 PKG_CONFIG_PATH=$pkg_config_path
646                 export PKG_CONFIG_PATH
647         fi
648 )
649
650 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
651 AC_CONFIG_SUBDIRS(eglib)
652
653 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
654 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
655 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
656 BUILD_GLIB_LIBS="$GLIB_LIBS"
657 GMODULE_CFLAGS="$GLIB_CFLAGS"
658 GMODULE_LIBS="$GLIB_LIBS"
659   
660 AC_SUBST(GLIB_CFLAGS)
661 AC_SUBST(GLIB_LIBS)
662 AC_SUBST(GMODULE_CFLAGS)
663 AC_SUBST(GMODULE_LIBS)
664 AC_SUBST(BUILD_GLIB_CFLAGS)
665 AC_SUBST(BUILD_GLIB_LIBS)
666
667 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
668
669 # Enable support for fast thread-local storage
670 # Some systems have broken support, so we allow to disable it.
671 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
672
673 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
674 # This does not work on some platforms (bug #55253)
675 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
676
677 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
678 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
679
680 if test "x$enable_static" = "xno"; then
681    with_static_mono=no
682 fi
683
684 if test "x$enable_shared" = "xno"; then
685    with_shared_mono=no
686 fi
687
688 case $host in
689 *nacl* ) with_shared_mono=yes;;
690 esac
691
692 if test "x$host_win32" = "xyes"; then
693    # Boehm GC requires the runtime to be in its own dll
694    with_static_mono=no
695 fi
696
697 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
698 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
699 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
700
701 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
702 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
703         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
704         ORIG_CFLAGS=$CFLAGS
705         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
706         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
707         AC_TRY_COMPILE([], [
708                 return 0;
709         ], [
710            AC_MSG_RESULT(yes)
711            # Pass it to libgc as well
712            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
713         ], [
714            AC_MSG_RESULT(no)
715            CFLAGS=$ORIG_CFLAGS
716         ])
717 fi
718
719 AC_ARG_ENABLE(quiet-build, [  --enable-quiet-build  Enable quiet runtime build (on by default)], enable_quiet_build=$enableval, enable_quiet_build=yes)
720 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
721
722 if test x$enable_small_config = xyes; then
723         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
724         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
725 fi
726
727 AC_ARG_ENABLE(system-aot, [  --enable-system-aot  Enable the Ahead-Of-Time compilation of system assemblies during the build (on by default on some platforms)], enable_system_aot=$enableval, enable_system_aot=default)
728
729 DISABLED_FEATURES=none
730
731 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
732      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
733      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, normalization, assembly_remapping, shared_perfcounters.],
734 [
735         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
736                 eval "mono_feature_disable_$feature='yes'"
737         done
738         DISABLED_FEATURES=$enable_minimal
739         disabled="Disabled:      $enable_minimal"
740 ],[])
741
742 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
743
744 if test "x$mono_feature_disable_aot" = "xyes"; then
745         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
746         AC_MSG_NOTICE([Disabled AOT compiler])
747 fi
748
749 if test "x$mono_feature_disable_profiler" = "xyes"; then
750         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
751         AC_MSG_NOTICE([Disabled support for the profiler])
752 fi
753 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
754
755 if test "x$mono_feature_disable_decimal" = "xyes"; then
756         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
757         AC_MSG_NOTICE([Disabled support for decimal])
758 fi
759
760 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
761         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
762         AC_MSG_NOTICE([Disabled support for P/Invoke])
763 fi
764
765 if test "x$mono_feature_disable_debug" = "xyes"; then
766         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
767         AC_MSG_NOTICE([Disabled support for runtime debugging])
768 fi
769
770 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
771         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
772         mono_feature_disable_reflection_emit_save=yes
773         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
774 fi
775
776 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
777         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
778         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
779 fi
780
781 if test "x$mono_feature_disable_large_code" = "xyes"; then
782         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
783         AC_MSG_NOTICE([Disabled support for large assemblies])
784 fi
785
786 if test "x$mono_feature_disable_logging" = "xyes"; then
787         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
788         AC_MSG_NOTICE([Disabled support for logging])
789 fi
790
791 if test "x$mono_feature_disable_com" = "xyes"; then
792         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
793         AC_MSG_NOTICE([Disabled COM support])
794 fi
795
796 if test "x$mono_feature_disable_ssa" = "xyes"; then
797         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
798         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
799 fi
800
801 if test "x$mono_feature_disable_generics" = "xyes"; then
802         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
803         AC_MSG_NOTICE([Disabled Generics Support])
804 fi
805
806 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
807         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
808         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
809 fi
810
811 if test "x$mono_feature_disable_portability" = "xyes"; then
812         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
813         AC_MSG_NOTICE([Disabled IO Portability layer])
814 fi
815
816 if test "x$mono_feature_disable_attach" = "xyes"; then
817         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
818         AC_MSG_NOTICE([Disabled agent attach])
819 fi
820
821 if test "x$mono_feature_disable_full_messages" = "xyes"; then
822         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
823         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
824 fi
825
826 if test "x$mono_feature_disable_verifier" = "xyes"; then
827         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
828         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
829 fi
830
831 if test "x$mono_feature_disable_jit" = "xyes"; then
832         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
833         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
834 fi
835
836 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
837
838 if test "x$mono_feature_disable_simd" = "xyes"; then
839         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
840         AC_MSG_NOTICE([Disabled SIMD support])
841 fi
842
843 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
844         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
845         AC_MSG_NOTICE([Disabled Soft Debugger.])
846 fi
847
848 if test "x$mono_feature_disable_normalization" = "xyes"; then
849         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
850         AC_MSG_NOTICE([Disabled String normalization support.])
851 fi
852
853 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
854         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
855         AC_MSG_NOTICE([Disabled Assembly remapping.])
856 fi
857
858 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
859         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
860         AC_MSG_NOTICE([Disabled Shared perfcounters.])
861 fi
862
863 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
864 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
865
866 AC_MSG_CHECKING(for visibility __attribute__)
867 AC_COMPILE_IFELSE([
868         AC_LANG_SOURCE([[
869                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
870                 int main () { doit (); return 0; }
871         ]])
872 ], [
873    have_visibility_hidden=yes
874    AC_MSG_RESULT(yes)
875 ], [
876    have_visibility_hidden=no
877    AC_MSG_RESULT(no)
878 ])
879
880 AC_MSG_CHECKING(for deprecated __attribute__)
881 AC_TRY_COMPILE([
882      int doit (void) __attribute__ ((deprecated));
883      int doit (void) { return 0; }
884 ], [
885         return 0;
886 ], [
887    have_deprecated=yes
888    AC_MSG_RESULT(yes)
889 ], [
890    have_deprecated=no
891    AC_MSG_RESULT(no)
892 ])
893
894 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
895 if test x$enable_parallel_mark = xyes; then
896         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
897 fi
898
899 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
900 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
901
902 dnl
903 dnl Boehm GC configuration
904 dnl
905 LIBGC_CPPFLAGS=
906 LIBGC_LIBS=
907 LIBGC_STATIC_LIBS=
908 libgc_dir=
909 case "x$gc" in
910         xboehm|xbohem|xyes)
911                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
912                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
913
914                 if test "x$found_boehm" != "xyes"; then
915                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
916                 fi
917                 if test "x$gc_headers" != "xyes"; then
918                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
919                 fi
920
921                 LIBGC_LIBS="-lgc $libdl"
922                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
923                 libmono_ldflags="$libmono_ldflags -lgc"
924                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
925
926                 # AC_CHECK_FUNCS does not work for some reason...
927                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
928                 if test "x$found_gcj_malloc" = "xyes"; then
929                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
930                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
931                         gc_msg="System Boehm with typed GC"
932                 else
933                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
934                         gc_msg="System Boehm (without typed GC)"
935                 fi
936                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
937                 if test "x$found_gc_enable" = "xyes"; then
938                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
939                 fi
940
941                 # check whether we need to explicitly allow
942                 # thread registering
943                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
944                 if test "x$found_allow_register_threads" = "xyes"; then
945                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
946                 fi
947
948                 ;;
949
950         xincluded)
951                 use_included_gc=yes
952                 libgc_dir=libgc
953
954                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
955                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
956                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
957
958                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
959
960                 gc_msg="bundled Boehm GC with typed GC"
961                 if test x$enable_parallel_mark = xyes; then
962                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
963                         gc_msg="$gc_msg and parallel mark"
964                 else
965                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
966                 fi
967                 ;;
968
969         xsgen)
970                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
971                 ;;
972
973         xnone)
974                 AC_MSG_WARN("Compiling mono without GC.")
975                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
976                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
977                 ;;
978         *)
979                 AC_MSG_ERROR([Invalid argument to --with-gc.])
980                 ;;
981 esac
982
983 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
984 if test "x$large_heap" = "xyes"; then
985    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
986 fi
987
988 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
989 AC_SUBST(LIBGC_CPPFLAGS)
990 AC_SUBST(LIBGC_LIBS)
991 AC_SUBST(LIBGC_STATIC_LIBS)
992 AC_SUBST(libgc_dir)
993 AC_SUBST(BOEHM_DEFINES)
994
995 dnl
996 dnl End of libgc checks
997 dnl
998
999 dnl *************************************
1000 dnl *** Checks for zero length arrays ***
1001 dnl *************************************
1002 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1003 AC_TRY_COMPILE([
1004         struct s {
1005                 int  length;
1006                 char data [0];
1007         };
1008 ], [], [
1009         AC_MSG_RESULT(yes)
1010         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1011 ], [
1012         AC_MSG_RESULT(no)
1013         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1014 ])
1015
1016 if test x$target_win32 = xno; then
1017
1018         dnl hires monotonic clock support
1019         AC_SEARCH_LIBS(clock_gettime, rt)
1020
1021         dnl dynamic loader support
1022         AC_CHECK_FUNC(dlopen, DL_LIB="",
1023                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1024         )
1025         if test x$dl_support = xno; then
1026                 AC_MSG_WARN([No dynamic loading support available])
1027         else
1028                 LIBS="$LIBS $DL_LIB"
1029                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1030                 dnl from glib's configure.in
1031                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1032                         mono_cv_uscore,[
1033                         AC_TRY_RUN([#include <dlfcn.h>
1034                         int mono_underscore_test (void) { return 42; }
1035                         int main() {
1036                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1037                           handle = dlopen ((void*)0, 0);
1038                           if (handle) {
1039                             f1 = dlsym (handle, "mono_underscore_test");
1040                             f2 = dlsym (handle, "_mono_underscore_test");
1041                           } return (!f2 || f1);
1042                         }],
1043                                 [mono_cv_uscore=yes],
1044                                 [mono_cv_uscore=no],
1045                         [])
1046                 ])
1047                 if test "x$mono_cv_uscore" = "xyes"; then
1048                         MONO_DL_NEED_USCORE=1
1049                 else
1050                         MONO_DL_NEED_USCORE=0
1051                 fi
1052                 AC_SUBST(MONO_DL_NEED_USCORE)
1053                 AC_CHECK_FUNC(dlerror)
1054         fi
1055
1056         dnl ******************************************************************
1057         dnl *** Checks for the IKVM JNI interface library                  ***
1058         dnl ******************************************************************
1059         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])
1060
1061         ikvm_native_dir=
1062         if test x$with_ikvm_native = xyes; then
1063                 ikvm_native_dir=ikvm-native
1064                 jdk_headers_found="IKVM Native"
1065         fi
1066
1067         AC_SUBST(ikvm_native_dir)
1068
1069         AC_CHECK_HEADERS(execinfo.h)
1070
1071         AC_CHECK_FUNCS(getgrgid_r)
1072         AC_CHECK_FUNCS(getgrnam_r)
1073         AC_CHECK_FUNCS(getpwnam_r)
1074         AC_CHECK_FUNCS(getpwuid_r)
1075         AC_CHECK_FUNCS(getresuid)
1076         AC_CHECK_FUNCS(setresuid)
1077         AC_CHECK_FUNCS(kqueue)
1078         AC_CHECK_FUNCS(backtrace_symbols)
1079         AC_CHECK_FUNCS(mkstemp)
1080         AC_CHECK_FUNCS(mmap)
1081         AC_CHECK_FUNCS(madvise)
1082         AC_CHECK_FUNCS(getrusage)
1083         AC_CHECK_FUNCS(getpriority)
1084         AC_CHECK_FUNCS(setpriority)
1085         AC_CHECK_FUNCS(dl_iterate_phdr)
1086         AC_CHECK_FUNCS(dladdr)
1087         AC_CHECK_FUNCS(sysconf)
1088
1089         AC_CHECK_FUNCS(sched_setaffinity)
1090         AC_CHECK_FUNCS(sched_getcpu)
1091
1092         dnl ****************************************************************
1093         dnl *** Check for sched_setaffinity from glibc versions before   ***
1094         dnl *** 2.3.4. The older versions of the function only take 2    ***
1095         dnl *** parameters, not 3.                                       ***
1096         dnl ***                                                          ***
1097         dnl *** Because the interface change was not made in a minor     ***
1098         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1099         dnl *** won't always indicate the interface sched_affinity has.  ***
1100         dnl ****************************************************************
1101         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1102         AC_TRY_COMPILE([#include <sched.h>], [
1103             int mask = 1; 
1104             sched_setaffinity(0, &mask);
1105                         return 0;
1106         ], [
1107                 # Yes, we have it...
1108                 AC_MSG_RESULT(yes)
1109                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1110         ], [
1111                 # We have the new, three-parameter version
1112                 AC_MSG_RESULT(no)
1113         ])
1114
1115
1116         dnl ******************************************************************
1117         dnl *** Check for large file support                               ***
1118         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1119         dnl ******************************************************************
1120         
1121         # Check that off_t can represent 2**63 - 1 correctly, working around
1122         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1123         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1124         large_offt=no
1125         AC_DEFUN([LARGE_FILES], [
1126                 large_CPPFLAGS=$CPPFLAGS
1127                 CPPFLAGS="$CPPFLAGS $1"
1128                 AC_TRY_COMPILE([
1129                         #include <sys/types.h>
1130                         #include <limits.h>
1131                 ], [
1132                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1133                         #define COMPILE_TIME_ASSERT(pred) \
1134                                 switch(0){case 0:case pred:;}
1135
1136                         int main(void)
1137                         {
1138                                 COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1139                                 return 0;
1140                         }
1141                 ], [
1142                         AC_MSG_RESULT(ok)
1143                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1144                         large_CPPFLAGS="$large_CPPFLAGS $1"
1145                         large_offt=yes
1146                 ], [
1147                         AC_MSG_RESULT(no)
1148                 ])
1149                 CPPFLAGS=$large_CPPFLAGS
1150         ])
1151
1152         AC_MSG_CHECKING(if off_t is 64 bits wide)
1153         LARGE_FILES("")
1154         if test $large_offt = no; then
1155                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1156                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1157         fi
1158         if test $large_offt = no; then
1159                 AC_MSG_WARN([No 64 bit file size support available])
1160         fi
1161         
1162         dnl *****************************
1163         dnl *** Checks for libsocket  ***
1164         dnl *****************************
1165         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1166
1167         dnl *******************************
1168         dnl *** Checks for MSG_NOSIGNAL ***
1169         dnl *******************************
1170         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1171         AC_TRY_COMPILE([#include <sys/socket.h>], [
1172                 int f = MSG_NOSIGNAL;
1173         ], [
1174                 # Yes, we have it...
1175                 AC_MSG_RESULT(yes)
1176                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1177         ], [
1178                 # We'll have to use signals
1179                 AC_MSG_RESULT(no)
1180         ])
1181
1182         dnl *****************************
1183         dnl *** Checks for SOL_IP     ***
1184         dnl *****************************
1185         AC_MSG_CHECKING(for SOL_IP)
1186         AC_TRY_COMPILE([#include <netdb.h>], [
1187                 int level = SOL_IP;
1188         ], [
1189                 # Yes, we have it...
1190                 AC_MSG_RESULT(yes)
1191                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1192         ], [
1193                 # We'll have to use getprotobyname
1194                 AC_MSG_RESULT(no)
1195         ])
1196
1197         dnl *****************************
1198         dnl *** Checks for SOL_IPV6     ***
1199         dnl *****************************
1200         AC_MSG_CHECKING(for SOL_IPV6)
1201         AC_TRY_COMPILE([#include <netdb.h>], [
1202                 int level = SOL_IPV6;
1203         ], [
1204                 # Yes, we have it...
1205                 AC_MSG_RESULT(yes)
1206                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1207         ], [
1208                 # We'll have to use getprotobyname
1209                 AC_MSG_RESULT(no)
1210         ])
1211
1212         dnl *****************************
1213         dnl *** Checks for SOL_TCP    ***
1214         dnl *****************************
1215         AC_MSG_CHECKING(for SOL_TCP)
1216         AC_TRY_COMPILE([#include <netdb.h>], [
1217                 int level = SOL_TCP;
1218         ], [
1219                 # Yes, we have it...
1220                 AC_MSG_RESULT(yes)
1221                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1222         ], [
1223                 # We'll have to use getprotobyname
1224                 AC_MSG_RESULT(no)
1225         ])
1226
1227         dnl *****************************
1228         dnl *** Checks for IP_PKTINFO ***
1229         dnl *****************************
1230         AC_MSG_CHECKING(for IP_PKTINFO)
1231         AC_TRY_COMPILE([#include <netdb.h>], [
1232                 int level = IP_PKTINFO;
1233         ], [
1234                 # Yes, we have it...
1235                 AC_MSG_RESULT(yes)
1236                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1237         ], [
1238                 AC_MSG_RESULT(no)
1239         ])
1240
1241         dnl *****************************
1242         dnl *** Checks for IPV6_PKTINFO ***
1243         dnl *****************************
1244         AC_MSG_CHECKING(for IPV6_PKTINFO)
1245         AC_TRY_COMPILE([#include <netdb.h>], [
1246                 int level = IPV6_PKTINFO;
1247         ], [
1248                 # Yes, we have it...
1249                 AC_MSG_RESULT(yes)
1250                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1251         ], [
1252                 AC_MSG_RESULT(no)
1253         ])
1254
1255         dnl **********************************
1256         dnl *** Checks for IP_DONTFRAGMENT ***
1257         dnl **********************************
1258         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1259         AC_TRY_COMPILE([#include <netdb.h>], [
1260                 int level = IP_DONTFRAGMENT;
1261         ], [
1262                 # Yes, we have it...
1263                 AC_MSG_RESULT(yes)
1264                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1265         ], [
1266                 AC_MSG_RESULT(no)
1267         ])
1268
1269         dnl **********************************
1270         dnl *** Checks for IP_MTU_DISCOVER ***
1271         dnl **********************************
1272         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1273         AC_TRY_COMPILE([#include <netdb.h>], [
1274                 int level = IP_MTU_DISCOVER;
1275         ], [
1276                 # Yes, we have it...
1277                 AC_MSG_RESULT(yes)
1278                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1279         ], [
1280                 AC_MSG_RESULT(no)
1281         ])
1282
1283         dnl *********************************
1284         dnl *** Check for struct ip_mreqn ***
1285         dnl *********************************
1286         AC_MSG_CHECKING(for struct ip_mreqn)
1287         AC_TRY_COMPILE([#include <netinet/in.h>], [
1288                 struct ip_mreqn mreq;
1289                 mreq.imr_address.s_addr = 0;
1290         ], [
1291                 # Yes, we have it...
1292                 AC_MSG_RESULT(yes)
1293                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1294         ], [
1295                 # We'll just have to try and use struct ip_mreq
1296                 AC_MSG_RESULT(no)
1297                 AC_MSG_CHECKING(for struct ip_mreq)
1298                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1299                         struct ip_mreq mreq;
1300                         mreq.imr_interface.s_addr = 0;
1301                 ], [
1302                         # Yes, we have it...
1303                         AC_MSG_RESULT(yes)
1304                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1305                 ], [
1306                         # No multicast support
1307                         AC_MSG_RESULT(no)
1308                 ])
1309         ])
1310         
1311         dnl **********************************
1312         dnl *** Check for gethostbyname2_r ***
1313         dnl **********************************
1314         AC_MSG_CHECKING(for gethostbyname2_r)
1315                 AC_TRY_LINK([#include <netdb.h>], [
1316                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1317         ], [
1318                 # Yes, we have it...
1319                 AC_MSG_RESULT(yes)
1320                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1321         ], [
1322                 AC_MSG_RESULT(no)
1323         ])
1324
1325         dnl *****************************
1326         dnl *** Checks for libnsl     ***
1327         dnl *****************************
1328         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1329
1330         AC_CHECK_FUNCS(inet_pton inet_aton)
1331
1332         dnl ***********************************************
1333         dnl *** Checks for size of sockaddr_un.sun_path ***
1334         dnl ***********************************************
1335         # AC_CHECK_SIZEOF can't cope with struct members :-(
1336         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1337         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1338                 [AC_TRY_RUN([
1339                         #include <sys/types.h>
1340                         #include <stdio.h>
1341                         #include <sys/un.h>
1342
1343                         int main(void) {
1344                                 struct sockaddr_un sock_un;
1345                                 FILE *f=fopen("conftestval", "w");
1346                                 if(!f) exit(1);
1347                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1348                                 exit(0);
1349                         }
1350                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1351                    mono_cv_sizeof_sunpath=0,
1352                    mono_cv_sizeof_sunpath=0)])dnl
1353         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1354         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1355
1356         dnl *****************************
1357         dnl *** Checks for libxnet    ***
1358         dnl *****************************
1359         case "${host}" in
1360                 *solaris* )
1361                         AC_MSG_CHECKING(for Solaris XPG4 support)
1362                         if test -f /usr/lib/libxnet.so; then
1363                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1364                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1365                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1366                                 LIBS="$LIBS -lxnet"
1367                                 AC_MSG_RESULT(yes)
1368                         else
1369                                 AC_MSG_RESULT(no)
1370                         fi
1371
1372                         if test "$GCC" = "yes"; then
1373                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1374                         fi
1375                 ;;
1376         esac
1377
1378         dnl *****************************
1379         dnl *** Checks for libpthread ***
1380         dnl *****************************
1381 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1382 # and libpthread does not exist
1383 #
1384         case "${host}" in
1385                 *-*-*freebsd*)
1386                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1387                 ;;
1388                 *-*-*openbsd*)
1389                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1390                 ;;
1391                 *)
1392                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1393                 ;;
1394         esac
1395         AC_CHECK_HEADERS(pthread.h)
1396         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1397         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1398         AC_CHECK_FUNCS(pthread_kill)
1399         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1400         AC_TRY_COMPILE([ #include <pthread.h>], [
1401                 pthread_mutexattr_t attr;
1402                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1403         ], [
1404                 AC_MSG_RESULT(ok)
1405         ], [
1406                 AC_MSG_RESULT(no)
1407                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1408                 AC_DEFINE(USE_MONO_MUTEX, 1, [Use mono_mutex_t])
1409         ])
1410         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1411         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1412         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1413
1414         dnl ***********************************
1415         dnl *** Checks for signals
1416         dnl ***********************************
1417         AC_CHECK_HEADERS(signal.h)
1418         AC_CHECK_FUNCS(sigaction)
1419
1420         dnl ***********************************
1421         dnl *** Checks for working __thread ***
1422         dnl ***********************************
1423         AC_MSG_CHECKING(for working __thread)
1424         if test "x$with_tls" != "x__thread"; then
1425                 AC_MSG_RESULT(disabled)
1426         else
1427                 AC_TRY_RUN([
1428                         #include <pthread.h>
1429                         __thread int i;
1430                         static int res1, res2;
1431
1432                         void thread_main (void *arg)
1433                         {
1434                                 i = arg;
1435                                 sleep (1);
1436                                 if (arg == 1)
1437                                         res1 = (i == arg);
1438                                 else
1439                                         res2 = (i == arg);
1440                         }
1441
1442                         int main () {
1443                                 pthread_t t1, t2;
1444
1445                                 i = 5;
1446
1447                                 pthread_create (&t1, NULL, thread_main, 1);
1448                                 pthread_create (&t2, NULL, thread_main, 2);
1449
1450                                 pthread_join (t1, NULL);
1451                                 pthread_join (t2, NULL);
1452
1453                                 return !(res1 + res2 == 2);
1454                         }
1455                 ], [
1456                                 AC_MSG_RESULT(yes)
1457                 ], [
1458                                 AC_MSG_RESULT(no)
1459                                 with_tls=pthread
1460                 ])
1461         fi
1462
1463         dnl **************************************
1464         dnl *** Checks for working sigaltstack ***
1465         dnl **************************************
1466         AC_MSG_CHECKING(for working sigaltstack)
1467         if test "x$with_sigaltstack" != "xyes"; then
1468                 AC_MSG_RESULT(disabled)
1469         else
1470                 AC_TRY_RUN([
1471                         #include <stdio.h>
1472                         #include <stdlib.h>
1473                         #include <unistd.h>
1474                         #include <signal.h>
1475                         #include <pthread.h>
1476                         #include <sys/wait.h>
1477                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1478                         #define SA_STACK SA_ONSTACK
1479                         #endif
1480                         static void
1481                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1482                         {
1483                                 exit (0);
1484                         }
1485
1486                         volatile char*__ptr = NULL;
1487                         static void *
1488                         loop (void *ignored)
1489                         {
1490                                 *__ptr = 0;
1491                                 return NULL;
1492                         }
1493
1494                         static void
1495                         child ()
1496                         {
1497                                 struct sigaction sa;
1498                         #ifdef __APPLE__
1499                                 stack_t sas;
1500                         #else
1501                                 struct sigaltstack sas;
1502                         #endif
1503                                 pthread_t id;
1504                                 pthread_attr_t attr;
1505
1506                                 sa.sa_sigaction = sigsegv_signal_handler;
1507                                 sigemptyset (&sa.sa_mask);
1508                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1509                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1510                                         perror ("sigaction");
1511                                         return;
1512                                 }
1513
1514                                 /* x86 darwin deliver segfaults using SIGBUS */
1515                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1516                                         perror ("sigaction");
1517                                         return;
1518                                 }
1519                                 sas.ss_sp = malloc (SIGSTKSZ);
1520                                 sas.ss_size = SIGSTKSZ;
1521                                 sas.ss_flags = 0;
1522                                 if (sigaltstack (&sas, NULL) == -1) {
1523                                         perror ("sigaltstack");
1524                                         return;
1525                                 }
1526
1527                                 pthread_attr_init (&attr);
1528                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1529                                         printf ("pthread_create\n");
1530                                         return;
1531                                 }
1532
1533                                 sleep (100);
1534                         }
1535
1536                         int
1537                         main ()
1538                         {
1539                                 pid_t son;
1540                                 int status;
1541                                 int i;
1542
1543                                 son = fork ();
1544                                 if (son == -1) {
1545                                         return 1;
1546                                 }
1547
1548                                 if (son == 0) {
1549                                         child ();
1550                                         return 0;
1551                                 }
1552
1553                                 for (i = 0; i < 3; ++i) {
1554                                         sleep (1);
1555                                         waitpid (son, &status, WNOHANG);
1556                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1557                                                 return 0;
1558                                 }
1559
1560                                 kill (son, SIGKILL);
1561                                 return 1;
1562                         }
1563
1564                 ], [
1565                                 AC_MSG_RESULT(yes)
1566                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1567                 ], [
1568                                 with_sigaltstack=no
1569                                 AC_MSG_RESULT(no)
1570                 ])
1571         fi
1572
1573         dnl ********************************
1574         dnl *** Checks for semaphore lib ***
1575         dnl ********************************
1576         # 'Real Time' functions on Solaris
1577         # posix4 on Solaris 2.6
1578         # pthread (first!) on Linux
1579         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1580
1581         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1582         AC_CHECK_FUNCS(shm_open)
1583
1584         dnl ********************************
1585         dnl *** Checks for timezone stuff **
1586         dnl ********************************
1587         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1588                 AC_TRY_COMPILE([
1589                         #include <time.h>
1590                         ], [
1591                         struct tm tm;
1592                         tm.tm_gmtoff = 1;
1593                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1594         if test $ac_cv_struct_tm_gmtoff = yes; then
1595                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1596         else
1597                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1598                         AC_TRY_COMPILE([
1599                                 #include <time.h>
1600                         ], [
1601                                 timezone = 1;
1602                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1603                 if test $ac_cv_var_timezone = yes; then
1604                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1605                 else
1606                         AC_ERROR(unable to find a way to determine timezone)
1607                 fi
1608         fi
1609
1610         dnl *********************************
1611         dnl *** Checks for math functions ***
1612         dnl *********************************
1613         AC_SEARCH_LIBS(sqrtf, m)
1614         if test "x$has_broken_apple_cpp" != "xyes"; then
1615                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1616                         AC_TRY_LINK([#include <math.h>], 
1617                         [ finite(0.0); ], 
1618                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1619                         AC_MSG_RESULT(no)))
1620         fi
1621         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1622                 AC_TRY_LINK([#include <math.h>], 
1623                 [ isfinite(0.0); ], 
1624                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1625                 AC_MSG_RESULT(no)))
1626
1627         dnl ****************************************************************
1628         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1629         dnl *** have it in the library (duh))                            ***
1630         dnl ****************************************************************
1631         AC_CHECK_FUNCS(poll)
1632
1633         dnl *************************
1634         dnl *** Check for signbit ***
1635         dnl *************************
1636         AC_MSG_CHECKING(for signbit)
1637         AC_TRY_LINK([#include <math.h>], [
1638                 int s = signbit(1.0);
1639         ], [
1640                 AC_MSG_RESULT(yes)
1641                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1642         ], [
1643                 AC_MSG_RESULT(no)
1644         ]) 
1645
1646         dnl **********************************
1647         dnl *** epoll                      ***
1648         dnl **********************************
1649         AC_CHECK_HEADERS(sys/epoll.h)
1650         haveepoll=no
1651         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1652         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1653                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1654         fi
1655
1656         havekqueue=no
1657         AC_CHECK_FUNCS(kqueue, , AC_MSG_CHECKING(for kqueue in sys/event.h)
1658                 AC_TRY_LINK([#include <sys/event.h>], 
1659                 [ kqueue(); ], 
1660                 AC_DEFINE(HAVE_KQUEUE, 1, [Have kqueue]) AC_MSG_RESULT(yes),
1661                 AC_MSG_RESULT(no)))
1662         dnl ******************************
1663         dnl *** Checks for SIOCGIFCONF ***
1664         dnl ******************************
1665         AC_CHECK_HEADERS(sys/ioctl.h)
1666         AC_CHECK_HEADERS(net/if.h, [], [],
1667            [
1668            #ifdef HAVE_SYS_TYPES_H
1669            # include <sys/types.h>
1670            #endif
1671            #ifdef HAVE_SYS_SOCKET_H
1672            # include <sys/socket.h>
1673            #endif
1674            ])
1675         AC_MSG_CHECKING(for ifreq)
1676         AC_TRY_COMPILE([
1677                 #include <stdio.h>
1678                 #include <sys/ioctl.h>
1679                 #include <net/if.h>
1680                 ], [
1681                 struct ifconf ifc;
1682                 struct ifreq *ifr;
1683                 void *x;
1684                 ifc.ifc_len = 0;
1685                 ifc.ifc_buf = NULL;
1686                 x = (void *) &ifr->ifr_addr;
1687                 ],[
1688                         AC_MSG_RESULT(yes)
1689                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1690                 ], [
1691                         AC_MSG_RESULT(no)
1692                 ])
1693         dnl **********************************
1694         dnl ***     Checks for sin_len     ***
1695         dnl **********************************
1696         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1697         AC_TRY_COMPILE([
1698                 #include <netinet/in.h>
1699                 ], [
1700                 struct sockaddr_in saddr;
1701                 saddr.sin_len = sizeof (saddr);
1702                 ],[
1703                         AC_MSG_RESULT(yes)
1704                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1705                 ], [
1706                         AC_MSG_RESULT(no)
1707                 ])      
1708         dnl **********************************
1709         dnl ***    Checks for sin6_len     ***
1710         dnl **********************************
1711         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1712         AC_TRY_COMPILE([
1713                 #include <netinet/in.h>
1714                 ], [
1715                 struct sockaddr_in6 saddr6;
1716                 saddr6.sin6_len = sizeof (saddr6);
1717                 ],[
1718                         AC_MSG_RESULT(yes)
1719                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1720                 ], [
1721                         AC_MSG_RESULT(no)
1722                 ])
1723         dnl **********************************
1724         dnl *** Check for getifaddrs       ***
1725         dnl **********************************
1726         AC_MSG_CHECKING(for getifaddrs)
1727                 AC_TRY_LINK([
1728                 #include <stdio.h>
1729                 #include <sys/types.h>
1730                 #include <sys/socket.h>
1731                 #include <ifaddrs.h>
1732         ], [
1733                 getifaddrs(NULL);
1734         ], [
1735                 # Yes, we have it...
1736                 AC_MSG_RESULT(yes)
1737                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1738         ], [
1739                 AC_MSG_RESULT(no)
1740         ])
1741         dnl **********************************
1742         dnl *** Check for if_nametoindex   ***
1743         dnl **********************************
1744         AC_MSG_CHECKING(for if_nametoindex)
1745                 AC_TRY_LINK([
1746                 #include <stdio.h>
1747                 #include <sys/types.h>
1748                 #include <sys/socket.h>
1749                 #include <net/if.h>
1750         ], [
1751                 if_nametoindex(NULL);
1752         ], [
1753                 # Yes, we have it...
1754                 AC_MSG_RESULT(yes)
1755                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1756         ], [
1757                 AC_MSG_RESULT(no)
1758         ])
1759                         
1760         dnl **********************************
1761         dnl *** Checks for MonoPosixHelper ***
1762         dnl **********************************
1763         AC_CHECK_HEADERS(checklist.h)
1764         AC_CHECK_HEADERS(pathconf.h)
1765         AC_CHECK_HEADERS(fstab.h)
1766         AC_CHECK_HEADERS(attr/xattr.h)
1767         AC_CHECK_HEADERS(sys/extattr.h)
1768         AC_CHECK_HEADERS(sys/sendfile.h)
1769         AC_CHECK_HEADERS(sys/statvfs.h)
1770         AC_CHECK_HEADERS(sys/statfs.h)
1771         AC_CHECK_HEADERS(sys/vfstab.h)
1772         AC_CHECK_HEADERS(sys/xattr.h)
1773         AC_CHECK_HEADERS(sys/mman.h)
1774         AC_CHECK_HEADERS(sys/param.h)
1775         AC_CHECK_HEADERS(sys/mount.h, [], [],
1776                 [
1777                 #ifdef HAVE_SYS_PARAM_H
1778                 # include <sys/param.h>
1779                 #endif
1780                 ])
1781         AC_CHECK_HEADERS(sys/mount.h)
1782         AC_CHECK_FUNCS(confstr)
1783         AC_CHECK_FUNCS(seekdir telldir)
1784         AC_CHECK_FUNCS(getdomainname)
1785         AC_CHECK_FUNCS(setdomainname)
1786         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1787         AC_CHECK_FUNCS(setgroups)
1788         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1789         AC_CHECK_FUNCS(getfsstat)
1790         AC_CHECK_FUNCS(lutimes futimes)
1791         AC_CHECK_FUNCS(mremap)
1792         AC_CHECK_FUNCS(remap_file_pages)
1793         AC_CHECK_FUNCS(posix_fadvise)
1794         AC_CHECK_FUNCS(posix_fallocate)
1795         AC_CHECK_FUNCS(posix_madvise)
1796         AC_CHECK_FUNCS(vsnprintf)
1797         AC_CHECK_FUNCS(sendfile)
1798         AC_CHECK_FUNCS(gethostid sethostid)
1799         AC_CHECK_FUNCS(sethostname)
1800         AC_CHECK_FUNCS(statfs)
1801         AC_CHECK_FUNCS(fstatfs)
1802         AC_CHECK_FUNCS(statvfs)
1803         AC_CHECK_FUNCS(fstatvfs)
1804         AC_CHECK_FUNCS(stime)
1805         AC_CHECK_FUNCS(strerror_r)
1806         AC_CHECK_FUNCS(ttyname_r)
1807         AC_CHECK_FUNCS(psignal)
1808         AC_CHECK_FUNCS(getlogin_r)
1809         AC_CHECK_FUNCS(lockf)
1810         AC_CHECK_FUNCS(swab)
1811         AC_CHECK_FUNCS(setusershell endusershell)
1812         AC_CHECK_SIZEOF(size_t)
1813         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
1814                 [#include <sys/types.h>
1815                  #include <sys/stat.h>
1816                  #include <unistd.h>])
1817         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1818                 [#include <sys/types.h>
1819                  #include <sys/stat.h>
1820                  #include <unistd.h>])
1821         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1822                 [#include <sys/time.h>])
1823         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
1824                 [#include <unistd.h>
1825                  #include <fcntl.h>])
1826         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1827                 [#include <sys/poll.h>])
1828         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1829                 [#include <sys/types.h>
1830                  #include <sys/stat.h>
1831                  #include <unistd.h>])
1832         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
1833                 [#include <time.h>])
1834         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1835                 [#include <sys/time.h>
1836                  #include <sys/types.h>
1837                  #include <utime.h>])
1838         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1839                 [#include <sys/time.h>])
1840         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
1841                 [#include <sys/types.h>
1842                  #include <utime.h>])
1843         AC_CHECK_MEMBERS(
1844                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
1845                 [#include <sys/types.h>
1846                  #include <dirent.h>])
1847         AC_CHECK_MEMBERS(
1848                 [struct passwd.pw_gecos],,, 
1849                 [#include <sys/types.h>
1850                  #include <pwd.h>])
1851         AC_CHECK_MEMBERS(
1852                 [struct statfs.f_flags],,, 
1853                 [#include <sys/types.h>
1854                  #include <sys/vfs.h>])
1855
1856         dnl Favour xattr through glibc, but use libattr if we have to
1857         AC_CHECK_FUNC(lsetxattr, ,
1858                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1859         )
1860         AC_SUBST(XATTR_LIB)
1861
1862         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
1863         AC_CHECK_MEMBERS(
1864                 [struct kinfo_proc.kp_proc],,, 
1865                 [#include <sys/types.h>
1866                  #include <sys/param.h>
1867                  #include <sys/sysctl.h>
1868                  #include <sys/proc.h>
1869                  ])
1870
1871         dnl *********************************
1872         dnl *** Checks for Windows compilation ***
1873         dnl *********************************
1874         AC_CHECK_HEADERS(sys/time.h)
1875         AC_CHECK_HEADERS(sys/param.h)
1876         AC_CHECK_HEADERS(dirent.h)
1877
1878         dnl *********************************
1879         dnl *** Check for Console 2.0 I/O ***
1880         dnl *********************************
1881         AC_CHECK_HEADERS([curses.h])
1882         AC_CHECK_HEADERS([term.h], [], [],
1883         [#if HAVE_CURSES_H
1884          #include <curses.h>
1885          #endif
1886         ])
1887         AC_CHECK_HEADERS([termios.h])
1888
1889         dnl * This is provided in io-layer, but on windows it's only available
1890         dnl * on xp+
1891         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1892 else
1893         dnl *********************************
1894         dnl *** Checks for Windows compilation ***
1895         dnl *********************************
1896         AC_CHECK_HEADERS(winternl.h)
1897
1898         jdk_headers_found=no
1899         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1900         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1901         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1902         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
1903         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1904         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
1905         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
1906
1907         dnl *********************************
1908         dnl *** Check for struct ip_mreqn ***
1909         dnl *********************************
1910         AC_MSG_CHECKING(for struct ip_mreqn)
1911         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1912                 struct ip_mreqn mreq;
1913                 mreq.imr_address.s_addr = 0;
1914         ], [
1915                 # Yes, we have it...
1916                 AC_MSG_RESULT(yes)
1917                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1918         ], [
1919                 # We'll just have to try and use struct ip_mreq
1920                 AC_MSG_RESULT(no)
1921                 AC_MSG_CHECKING(for struct ip_mreq)
1922                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1923                         struct ip_mreq mreq;
1924                         mreq.imr_interface.s_addr = 0;
1925                 ], [
1926                         # Yes, we have it...
1927                         AC_MSG_RESULT(yes)
1928                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1929                 ], [
1930                         # No multicast support
1931                         AC_MSG_RESULT(no)
1932                 ])
1933         ])
1934         AC_CHECK_FUNCS(GetProcessId)
1935 fi
1936
1937 dnl socklen_t check
1938 AC_MSG_CHECKING(for socklen_t)
1939 AC_TRY_COMPILE([
1940 #include <sys/types.h>
1941 #include <sys/socket.h>
1942 ],[
1943   socklen_t foo;
1944 ],[
1945 ac_cv_c_socklen_t=yes
1946         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
1947         AC_MSG_RESULT(yes)
1948 ],[
1949         AC_MSG_RESULT(no)
1950 ])
1951
1952 AC_MSG_CHECKING(for array element initializer support)
1953 AC_TRY_COMPILE([#include <sys/socket.h>], [
1954         const int array[] = {[1] = 2,};
1955 ], [
1956         # Yes, we have it...
1957         AC_MSG_RESULT(yes)
1958         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1959 ], [
1960         # We'll have to use signals
1961         AC_MSG_RESULT(no)
1962 ])
1963
1964 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1965         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1966         AC_TRY_LINK([#include <math.h>], 
1967         [ static void *p = &trunc; ],
1968         [
1969                 AC_DEFINE(HAVE_TRUNC) 
1970                 AC_MSG_RESULT(yes)
1971                 ac_cv_trunc=yes
1972         ],
1973         AC_MSG_RESULT(no)))
1974
1975 if test "x$ac_cv_truncl" != "xyes"; then
1976    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
1977 fi
1978
1979 AC_CHECK_FUNCS(round)
1980 AC_CHECK_FUNCS(rint)
1981 AC_CHECK_FUNCS(execvp)
1982
1983 dnl ****************************
1984 dnl *** Look for /dev/random ***
1985 dnl ****************************
1986
1987 AC_MSG_CHECKING([if usage of random device is requested])
1988 AC_ARG_ENABLE(dev-random,
1989 [  --disable-dev-random    disable the use of the random device (enabled by default)],
1990 try_dev_random=$enableval, try_dev_random=yes)
1991
1992 AC_MSG_RESULT($try_dev_random)
1993
1994 case "{$build}" in
1995     *-openbsd*)
1996     NAME_DEV_RANDOM="/dev/srandom"
1997     ;;
1998
1999 dnl Win32 does not have /dev/random, they have their own method...
2000
2001     *-mingw*|*-*-cygwin*)
2002     ac_cv_have_dev_random=no
2003     ;;
2004
2005 dnl Everywhere else, it's /dev/random
2006
2007     *)
2008     NAME_DEV_RANDOM="/dev/random"
2009     ;;
2010 esac
2011
2012 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2013
2014 dnl Now check if the device actually exists
2015
2016 if test "x$try_dev_random" = "xyes"; then
2017     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2018     [if test -r "$NAME_DEV_RANDOM" ; then
2019         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2020     if test "x$ac_cv_have_dev_random" = "xyes"; then
2021         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2022     fi
2023 else
2024     AC_MSG_CHECKING(for random device)
2025     ac_cv_have_dev_random=no
2026     AC_MSG_RESULT(has been disabled)
2027 fi
2028
2029 if test "x$host_win32" = "xyes"; then
2030     AC_DEFINE(HAVE_CRYPT_RNG)
2031 fi
2032
2033 if test "x$ac_cv_have_dev_random" = "xno" \
2034     && test "x$host_win32" = "xno"; then
2035     AC_MSG_WARN([[
2036 ***
2037 *** A system-provided entropy source was not found on this system.
2038 *** Because of this, the System.Security.Cryptography random number generator
2039 *** will throw a NotImplemented exception.
2040 ***
2041 *** If you are seeing this message, and you know your system DOES have an
2042 *** entropy collection in place, please contact <crichton@gimp.org> and
2043 *** provide information about the system and how to access the random device.
2044 ***
2045 *** Otherwise you can install either egd or prngd and set the environment
2046 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2047 ***]])
2048 fi
2049  
2050 AC_MSG_CHECKING([if inter-process shared handles are requested])
2051 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2052 AC_MSG_RESULT($try_shared_handles)
2053 if test "x$try_shared_handles" != "xyes"; then
2054         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2055         AC_SUBST(DISABLE_SHARED_HANDLES)
2056 fi
2057
2058 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2059
2060 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2061 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2062
2063 AC_MSG_CHECKING([if big-arrays are to be enabled])
2064 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2065 if test "x$enable_big_arrays" = "xyes" ; then
2066     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2067         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2068     else
2069         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2070     fi
2071 fi
2072 AC_MSG_RESULT($enable_big_arrays)
2073
2074 dnl **************
2075 dnl *** DTRACE ***
2076 dnl **************
2077
2078 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2079
2080 if test "x$enable_dtrace" = "xyes"; then
2081    if test "x$has_dtrace" = "xno"; then
2082           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2083    fi
2084    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2085    if test "x$DTRACE" = "xno"; then
2086           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2087           enable_dtrace=no
2088    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2089           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2090           enable_dtrace=no
2091    fi
2092 fi
2093
2094 dtrace_g=no
2095 if test "x$enable_dtrace" = "xyes"; then
2096         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2097         DTRACEFLAGS=
2098         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2099                 case "$host" in
2100                         powerpc-*-darwin*)
2101                         DTRACEFLAGS="-arch ppc64"
2102                         ;;
2103                         i*86-*-darwin*)
2104                         DTRACEFLAGS="-arch x86_64"
2105                         ;;
2106                         *)
2107                         DTRACEFLAGS=-64
2108                         ;;
2109                 esac
2110         else
2111                 case "$host" in
2112                         powerpc-*-darwin*)
2113                         DTRACEFLAGS="-arch ppc"
2114                         ;;
2115                         i*86-*-darwin*)
2116                         DTRACEFLAGS="-arch i386"
2117                         ;;
2118                         *)
2119                         DTRACEFLAGS=-32
2120                         ;;
2121                 esac
2122         fi
2123         AC_SUBST(DTRACEFLAGS)
2124         case "$host" in
2125                 *-*-solaris*)
2126                 dtrace_g=yes
2127                 ;;
2128         esac
2129         AC_CHECK_HEADERS([sys/sdt.h])
2130 fi
2131 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2132 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2133
2134 dnl **************
2135 dnl ***  NaCl  ***
2136 dnl **************
2137
2138 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2139 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2140
2141 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2142 if test "x$enable_nacl_codegen" = "xyes"; then
2143    MONO_NACL_ALIGN_MASK_OFF=1
2144    CPPFLAGS="$CPPFLAGS -D__native_client_codegen__"
2145    AC_DEFINE(TARGET_NACL, 1, [...])
2146 else
2147    MONO_NACL_ALIGN_MASK_OFF=0
2148    CPPFLAGS="$CPPFLAGS -D__default_codegen__"
2149 fi
2150 if test "x$enable_nacl_gc" = "xyes"; then
2151    CPPFLAGS="$CPPFLAGS -finstrument-for-thread-suspension -D__native_client_gc__"
2152 fi
2153 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2154
2155 dnl **************
2156 dnl ***  LLVM  ***
2157 dnl **************
2158
2159 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2160 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2161
2162 if test "x$enable_llvm" = "xyes"; then
2163    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2164    if test "x$LLVM_CONFIG" = "xno"; then
2165           AC_MSG_ERROR([llvm-config not found.])
2166    fi
2167
2168    # The output of --cflags seems to include optimizations flags too
2169    LLVM_CFLAGS=`$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'`
2170    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2171    # from LLVM classes.
2172    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2173    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2174    LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit x86codegen`
2175    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2176
2177    # Should be something like '2.6' or '2.7svn'
2178    llvm_version=`$LLVM_CONFIG --version`
2179    major_version=`echo $llvm_version | cut -c 1`
2180    minor_version=`echo $llvm_version | cut -c 3`
2181    AC_MSG_CHECKING(LLVM version)
2182    AC_MSG_RESULT($llvm_version)
2183    if echo $llvm_version | grep -q 'mono'; then
2184           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2185           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"       
2186    else
2187           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.])
2188    fi
2189
2190    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2191    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2192    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2193
2194    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2195    # llvm's config.h
2196    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2197
2198    AC_SUBST(LLVM_CFLAGS)
2199    AC_SUBST(LLVM_CXXFLAGS)
2200    AC_SUBST(LLVM_LIBS)
2201    AC_SUBST(LLVM_LDFLAGS)
2202    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2203 fi
2204
2205 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2206 if test "x$enable_loadedllvm" = "xyes"; then
2207    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2208 fi
2209 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2210
2211 TARGET="unknown"
2212 ACCESS_UNALIGNED="yes"
2213
2214 JIT_SUPPORTED=no
2215 INTERP_SUPPORTED=no
2216 LIBC="libc.so.6"
2217 INTL="libc.so.6"
2218 SQLITE="libsqlite.so.0"
2219 SQLITE3="libsqlite3.so.0"
2220 X11="libX11.so"
2221
2222 sizeof_register="SIZEOF_VOID_P"
2223
2224 jit_wanted=true
2225 interp_wanted=false
2226 sgen_supported=false
2227 case "$host" in
2228 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
2229 #               TARGET=MIPS;
2230 #               ACCESS_UNALIGNED="no"
2231 #               ;;
2232         mips*)
2233                 TARGET=MIPS;
2234                 arch_target=mips;
2235                 sgen_supported=true
2236                 ACCESS_UNALIGNED="no"
2237                 JIT_SUPPORTED=yes
2238
2239                 AC_MSG_CHECKING(for mips n32)
2240                 AC_TRY_COMPILE([],[
2241                 #if _MIPS_SIM != _ABIN32
2242                 #error Not mips n32
2243                 #endif
2244                 return 0;
2245                 ],[
2246                 AC_MSG_RESULT(yes)
2247                 sizeof_register=8
2248                 ],[
2249                 AC_MSG_RESULT(no)
2250                 ])
2251                 ;;
2252         i*86-*-*)
2253                 TARGET=X86;
2254                 arch_target=x86;
2255                 JIT_SUPPORTED=yes
2256                 case $host_os in
2257                   solaris*)
2258                         LIBC="libc.so"
2259                         INTL="libintl.so"
2260                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2261                                 TARGET=AMD64
2262                                 arch_target=amd64
2263                         fi
2264
2265                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2266                         # int astruct __attribute__ ((visibility ("hidden")));
2267                         # void foo ()
2268                         # {
2269                         #       void *p = &astruct;
2270                         # }
2271                         # gcc -fPIC --shared -o libfoo.so foo.c
2272                         # yields:
2273                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2274                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2275                         have_visibility_hidden=no
2276                         sgen_supported=true
2277                         ;;
2278                   cygwin*)
2279                         sgen_supported=true
2280                         have_visibility_hidden=no                 
2281                         ;;
2282                   haiku*)
2283                         LIBC=libroot.so
2284                         ;;
2285                   linux*)
2286                         sgen_supported=true
2287                         AOT_SUPPORTED="yes"
2288                         ;;
2289                   darwin*)
2290                         sgen_supported=true
2291                         AOT_SUPPORTED="yes"
2292                         ;;
2293                   darwin*|openbsd*|freebsd*)
2294                         sgen_supported=true
2295                         ;;
2296                 esac
2297                 ;;
2298         x86_64-*-* | amd64-*-*)
2299                 TARGET=AMD64;
2300                 arch_target=amd64;
2301                 JIT_SUPPORTED=yes
2302                 case $host_os in
2303                   linux*)
2304                         sgen_supported=true
2305                         AOT_SUPPORTED="yes"
2306                         ;;
2307                   darwin*|openbsd*|freebsd*)
2308                         sgen_supported=true
2309                         ;;
2310                 esac
2311                 case "$host" in
2312                         x86_64-*-nacl*)
2313                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2314                                 sizeof_register=8
2315                                 ;;
2316                 esac
2317                 ;;
2318         ia64-*-*)
2319                 TARGET=IA64
2320                 arch_target=ia64
2321                 ACCESS_UNALIGNED="no"
2322                 JIT_SUPPORTED=yes
2323                 LIBC="libc.so.6.1"
2324                 INTL="libc.so.6.1"
2325                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2326                 libmono_ldflags="-lunwind"
2327                 ;;
2328         sparc*-*-*)
2329                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2330                    TARGET=SPARC64
2331                 else
2332                         TARGET=SPARC
2333                 fi
2334                 arch_target=sparc;
2335                 JIT_SUPPORTED=yes
2336                 ACCESS_UNALIGNED="no"
2337                 case $host_os in
2338                   linux*) ;;
2339                   *)
2340                         LIBC="libc.so"
2341                         INTL="libintl.so"
2342                 esac
2343                 if test x"$GCC" = xyes; then
2344                         # We don't support v8 cpus
2345                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2346                 fi
2347                 if test x"$AR" = xfalse; then
2348                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2349                 fi
2350                 sgen_supported=true
2351                 ;;
2352        alpha*-*-linux* | alpha*-*-osf*)
2353                 TARGET=ALPHA;
2354                 ACCESS_UNALIGNED="no"
2355                 JIT_SUPPORTED=yes
2356                 arch_target=alpha;
2357                 CFLAGS="$CFLAGS -mieee -O0"
2358                 case $host_os in
2359                   linux*)
2360                         LIBC="libc.so.6.1"
2361                         INTL="libc.so.6.1"
2362                 esac
2363                ;;
2364         *-mingw*|*-*-cygwin*)
2365                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2366                 have_visibility_hidden=no
2367                 INTL="intl"
2368                 ;;
2369         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
2370                 TARGET=HPPA;
2371                 arch_target=hppa; 
2372                 LIBC="libc.sl"
2373                 ACCESS_UNALIGNED="no"
2374                 INTERP_SUPPORTED=yes
2375                 interp_wanted=true
2376                 ;;
2377         hppa*linux*)
2378                 TARGET=HPPA;
2379                 arch_target=hppa; 
2380                 ACCESS_UNALIGNED="no"
2381                 JIT_SUPPORTED=yes
2382                 ;;
2383         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2384         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2385                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2386                         TARGET=POWERPC64;
2387                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2388                         CFLAGS="$CFLAGS -mminimal-toc"
2389                 else
2390                         TARGET=POWERPC;
2391                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2392                 fi
2393                 arch_target=ppc;
2394                 JIT_SUPPORTED=yes
2395                 case $host_os in
2396                   linux*|darwin*)
2397                         sgen_supported=true
2398                         ;;
2399                 esac
2400                 ;;
2401         arm*-darwin*)
2402                 TARGET=ARM;
2403                 arch_target=arm;
2404                 ACCESS_UNALIGNED="no"
2405                 JIT_SUPPORTED=yes
2406                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2407                 # libgc's gc_locks.h depends on this
2408             NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2409                 sgen_supported=true
2410                 ;;
2411         arm*-linux*)
2412                 TARGET=ARM;
2413                 arch_target=arm;
2414                 ACCESS_UNALIGNED="no"
2415                 JIT_SUPPORTED=yes
2416                 sgen_supported=true
2417                 AOT_SUPPORTED="yes"
2418                 ;;
2419         s390-*-linux*)
2420                 TARGET=S390;
2421                 arch_target=s390;
2422                 ACCESS_UNALIGNED="yes"
2423                 JIT_SUPPORTED=yes
2424                 sgen_supported=true
2425                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
2426                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2427                 ;;
2428         s390x-*-linux*)
2429                 TARGET=S390x;
2430                 arch_target=s390x;
2431                 ACCESS_UNALIGNED="yes"
2432                 JIT_SUPPORTED=yes
2433                 sgen_supported=true
2434                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2435                 ;;
2436 esac
2437
2438 if test "x$host" != "x$target"; then
2439    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2440    enable_mcs_build=no
2441    case "$target" in
2442    powerpc64-ps3-linux-gnu)
2443                 TARGET=POWERPC64
2444                 arch_target=powerpc64
2445                 AC_DEFINE(TARGET_PS3, 1, [...])
2446                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2447                 # uses this define
2448                 AC_DEFINE(__mono_ppc64__, 1, [...])
2449                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2450                 sizeof_register=8
2451                 target_byte_order=G_BIG_ENDIAN
2452                 ;;
2453
2454    powerpc64-xbox360-linux-gnu)
2455                 TARGET=POWERPC64
2456                 arch_target=powerpc64
2457                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2458                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2459                 # uses this define
2460                 sizeof_register=8
2461                 target_byte_order=G_BIG_ENDIAN
2462                 ;;
2463    x86_64-*-nacl)
2464                 TARGET=AMD64
2465                 arch_target=amd64
2466                 AC_DEFINE(TARGET_AMD64, 1, [...])
2467                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2468                 sizeof_register=8
2469                 ;;
2470    *-*-nacl)
2471                 TARGET=X86
2472                 arch_target=x86
2473                 AC_DEFINE(TARGET_X86, 1, [...])
2474                 sizeof_register=4
2475                 ;;
2476    armv7l-unknown-linux-gnueabi*)
2477                 # TEGRA
2478                 TARGET=ARM;
2479                 arch_target=arm;
2480                 AC_DEFINE(TARGET_ARM, 1, [...])
2481                 ACCESS_UNALIGNED="no"
2482                 JIT_SUPPORTED=yes
2483                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__"
2484                 jit_wanted=true
2485                 # Can't use tls, since it depends on the runtime detection of tls offsets
2486                 # in mono-compiler.h
2487                 with_tls=pthread
2488                 ;;
2489    armv5tel-unknown-linux-gnueabi*)
2490                 TARGET=ARM;
2491                 arch_target=arm;
2492                 AC_DEFINE(TARGET_ARM, 1, [...])
2493                 ACCESS_UNALIGNED="no"
2494                 JIT_SUPPORTED=yes
2495                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2496                 jit_wanted=true
2497                 # Can't use tls, since it depends on the runtime detection of tls offsets
2498                 # in mono-compiler.h
2499                 with_tls=pthread
2500                 ;;
2501    armv5-*-linux-androideabi*)
2502                 TARGET=ARM;
2503                 arch_target=arm;
2504                 AC_DEFINE(TARGET_ARM, 1, [...])
2505                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2506                 ACCESS_UNALIGNED="no"
2507                 JIT_SUPPORTED=yes
2508                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__ -DARM_FPU_NONE=1"
2509                 jit_wanted=true
2510                 # Can't use tls, since it depends on the runtime detection of tls offset
2511                 # in mono-compiler.h
2512                 with_tls=pthread
2513                 ;;
2514         *)
2515                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2516         esac
2517 fi
2518
2519 # FIXME: Define the others as well
2520 case "$TARGET" in
2521 X86)
2522         AC_DEFINE(TARGET_X86, 1, [...])
2523         ;;
2524 AMD64)
2525         AC_DEFINE(TARGET_AMD64, 1, [...])
2526         ;;
2527 ARM)
2528         AC_DEFINE(TARGET_ARM, 1, [...])
2529         ;;
2530 POWERPC)
2531         AC_DEFINE(TARGET_POWERPC, 1, [...])
2532         ;;
2533 POWERPC64)
2534         AC_DEFINE(TARGET_POWERPC, 1, [...])
2535         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2536         ;;
2537 S390x)
2538         AC_DEFINE(TARGET_S390X, 1, [...])
2539         ;;
2540 MIPS)
2541         AC_DEFINE(TARGET_MIPS, 1, [...])
2542         ;;
2543 esac
2544
2545 if test "x$sizeof_register" = "x4"; then
2546    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2547 elif test "x$sizeof_register" = "x8"; then
2548    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2549 else
2550    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2551 fi
2552
2553 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2554    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2555 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2556    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2557 else
2558    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2559 fi
2560
2561 if test "x$have_visibility_hidden" = "xyes"; then
2562    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2563 fi
2564
2565 if test "x$have_deprecated" = "xyes"; then
2566    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2567 fi
2568
2569 dnl 
2570 dnl Simple Generational checks (sgen)
2571 dnl
2572 if $sgen_supported; then
2573    build_sgen_default=yes
2574 else
2575    build_sgen_default=no
2576 fi
2577 SGEN_DEFINES=
2578 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2579 if test x$buildsgen = xyes; then
2580    if $sgen_supported; then
2581        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR -DHAVE_WRITE_BARRIERS"
2582        gc_msg="sgen and $gc_msg"
2583    else
2584        buildsgen=no
2585        AC_MSG_WARN("Sgen is not supported on this platform")
2586    fi
2587 fi
2588 AC_SUBST(SGEN_DEFINES)
2589 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2590
2591 USEJIT=false
2592 if test x$JIT_SUPPORTED = xyes; then
2593    if $jit_wanted; then
2594       USEJIT=true
2595       jit_status="Building and using the JIT"
2596    else
2597       if $interp_wanted; then
2598          jit_status="Building the JIT, defaulting to the interpreter"
2599       else
2600          AC_ERROR(No JIT or interpreter support available or selected.)
2601       fi
2602    fi
2603 else
2604    if test x$interp_wanted = xtrue; then
2605       jit_status="interpreter"
2606    else
2607       AC_ERROR(No JIT or interpreter support available or selected.)
2608    fi
2609 fi
2610
2611 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2612
2613 libsuffix=".so"
2614
2615 case "$host" in
2616      *-*-darwin*)
2617         libsuffix=".dylib"
2618         LIBC="libc.dylib"
2619         INTL="libintl.dylib"
2620         SQLITE="libsqlite.0.dylib"
2621         SQLITE3="libsqlite3.0.dylib"
2622         X11="libX11.dylib"
2623         ;;
2624      *-*-*netbsd*)
2625         LIBC="libc.so.12"
2626         INTL="libintl.so.0"
2627         ;;
2628     *-*-*freebsd*)
2629         LIBC="libc.so"
2630         INTL="libintl.so"
2631         SQLITE="libsqlite.so"
2632         SQLITE3="libsqlite3.so"
2633         ;;
2634     *-*-*openbsd*)
2635         LIBC="libc.so"
2636         INTL="libintl.so"
2637         SQLITE="libsqlite.so"
2638         SQLITE3="libsqlite3.so"
2639         ;;
2640     *-*-*linux*)
2641         AC_PATH_X
2642         AC_MSG_CHECKING(for the soname of libX11.so)
2643         for i in $x_libraries /usr/lib /usr/lib64; do
2644                 for r in 4 5 6; do
2645                         if test -f $i/libX11.so.$r; then
2646                                 X11=libX11.so.$r
2647                                 AC_MSG_RESULT($X11)
2648                         fi
2649                 done
2650         done
2651         
2652         if test "x$X11" = "xlibX11.so"; then
2653                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2654                 X11=libX11.so.6
2655         fi
2656         ;;
2657 esac
2658
2659
2660 AC_SUBST(libsuffix)
2661
2662 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2663         if test "x$with_tls" = "x__thread"; then
2664                 #
2665                 # On some linux distributions, TLS works in executables, but linking 
2666                 # against a shared library containing TLS fails with:
2667                 # undefined reference to `__tls_get_addr'
2668                 #
2669                 rm -f conftest.c conftest.so conftest
2670                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
2671                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2672                 $CC -o conftest conftest.so > /dev/null 2>&1
2673                 if test ! -f conftest; then
2674                    AC_MSG_WARN([Disabling usage of __thread.]);
2675                    with_tls=pthread
2676                 fi
2677                 rm -f conftest.c conftest.so conftest
2678         fi
2679 fi
2680
2681 mono_debugger_supported=no
2682 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
2683 if test "x$try_mono_debugger" = "xyes"; then
2684         if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA" -o "x$TARGET" = "xS390x"; then
2685                 if test x$use_included_gc = xyes; then
2686                         case "$host" in
2687                         *-*-*linux*)
2688                                 mono_debugger_supported=yes
2689                                 ;;
2690                         *86-apple-darwin*)
2691                                 mono_debugger_supported=yes
2692                                 ;;              
2693                         esac
2694                 fi
2695         fi
2696 fi
2697
2698 # disable the debugger entirely when building with moonlight
2699 if test "x$with_moonlight" != "xno"; then
2700         mono_debugger_supported=no
2701 fi
2702
2703 # mdb support for sgen is broken, disable it until further notice.
2704 mono_debugger_supported=no
2705
2706 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2707 if test "x$mono_debugger_supported" = "xyes"; then
2708         BOEHM_DEFINES="$BOEHM_DEFINES -DMONO_DEBUGGER_SUPPORTED"
2709         NESTED_LIBGC_FLAGS="-DMONO_DEBUGGER_SUPPORTED"
2710 fi
2711 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2712 AC_MSG_RESULT($mono_debugger_supported)
2713
2714 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
2715 if test "x$icall_symbol_map" = "xyes"; then
2716    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
2717 fi
2718
2719 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
2720 if test "x$icall_export" = "xyes"; then
2721    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
2722 fi
2723
2724 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
2725 if test "x$icall_tables" = "xno"; then
2726    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
2727 fi
2728
2729 if test "x$with_tls" = "x__thread"; then
2730         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2731         # Pass the information to libgc
2732         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2733         AC_MSG_CHECKING(if the tls_model attribute is supported)
2734         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2735                 ], [
2736                         AC_MSG_RESULT(yes)
2737                         # CLANG doesn't support this yet, and it prints warnings about it
2738                         if test "x$mono_cv_clang" = "xno"; then
2739                                 AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
2740                         fi
2741                 ], [
2742                         AC_MSG_RESULT(no)
2743         ])
2744 fi
2745
2746 if test ${TARGET} = ARM && test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2747         dnl ******************************************
2748         dnl *** Check to see what FPU is available ***
2749         dnl ******************************************
2750         AC_MSG_CHECKING(which FPU to use)
2751
2752         fpu=NONE
2753         if gcc -v 2>&1 | grep -q -- '--with-float=hard'; then
2754            fpu=VFP_HARD
2755         fi
2756
2757         if test x$fpu = xNONE; then
2758            ORIG_CFLAGS=$CFLAGS
2759            CFLAGS="$CFLAGS -mfpu=vfp -mfloat-abi=softfp"
2760            AC_TRY_RUN([
2761                                 int main () { __asm__ ("faddd   d7, d6, d7"); return 0; }
2762                                 ], fpu=VFP, fpu=NONE)
2763            CFLAGS=$ORIG_CFLAGS
2764         fi
2765
2766         if test x$fpu = xNONE; then
2767                 AC_TRY_COMPILE([], [
2768                         __asm__ ("ldfd f0, [r0]");
2769                         ], fpu=FPA, fpu=NONE)
2770         fi
2771
2772         AC_MSG_RESULT($fpu)
2773         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
2774         unset fpu
2775
2776         AC_MSG_CHECKING(for ARMV6)
2777         AC_TRY_RUN([
2778                 int main () { __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : "memory"); return 0; }
2779                         ], armv6=yes, armv6=no)
2780
2781         AC_MSG_RESULT($armv6)
2782         if test ${armv6} = yes; then
2783            AC_DEFINE(HAVE_ARMV6, 1, "Host supports ARMV6 instructions")
2784            # libgc's gc_locks.h depends on this
2785            NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2786         fi
2787 fi
2788
2789 if test ${TARGET} = unknown; then
2790         CPPFLAGS="$CPPFLAGS -DNO_PORT"
2791         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
2792 fi
2793
2794 if test ${ACCESS_UNALIGNED} = no; then
2795         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
2796 fi
2797
2798 case "x$gc" in
2799         xincluded)
2800                 # Pass CPPFLAGS to libgc configure
2801                 # We should use a separate variable for this to avoid passing useless and
2802                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
2803                 # This should be executed late so we pick up the final version of CPPFLAGS
2804                 # The problem with this approach, is that during a reconfigure, the main
2805                 # configure scripts gets invoked with these arguments, so we use separate
2806                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
2807                 TMP_CPPFLAGS="$CPPFLAGS $NESTED_LIBGC_FLAGS"
2808                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
2809                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
2810                 fi
2811                 # Don't pass -finstrument-for-thread-suspension in, 
2812                 # if these are instrumented it will be very bad news 
2813                 # (infinite recursion, undefined parking behavior, etc)
2814                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
2815                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
2816                 AC_CONFIG_SUBDIRS(libgc)
2817                 ;;
2818 esac
2819
2820 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
2821 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
2822 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
2823 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
2824 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no         If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
2825 AC_ARG_WITH(mobile,    [  --with-mobile=yes,no            If you want to build the Mobile assemblies (defaults to no)],        [], [with_mobile=no])
2826
2827 OPROFILE=no
2828 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
2829         if test x$with_oprofile != xno; then
2830             oprofile_include=$with_oprofile/include
2831             if test ! -f $oprofile_include/opagent.h; then
2832                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
2833                 fi
2834             OPROFILE=yes
2835                 OPROFILE_CFLAGS="-I$oprofile_include"
2836             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
2837             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
2838         fi
2839 ])
2840
2841 MALLOC_MEMPOOLS=no
2842 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
2843         if test x$with_malloc_mempools = xyes; then
2844                 MALLOC_MEMPOOLS=yes
2845                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
2846         fi
2847 ])
2848
2849
2850 DISABLE_MCS_DOCS=no
2851 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
2852         if test x$with_mcs_docs != xyes; then
2853                 DISABLE_MCS_DOCS=yes
2854         fi
2855 ])
2856 if test x$with_profile4 != xyes; then
2857         DISABLE_MCS_DOCS=yes
2858 fi
2859
2860 MOONLIGHT_DEFINES=
2861 AC_ARG_WITH(moonlight, [  --with-moonlight=yes|no|only         If you want to build Mono for Moonlight (defaults to no)],[
2862         if test x$with_moonlight != xno; then
2863         MOONLIGHT_DEFINES="-DMOONLIGHT -DDISABLE_ASSEMBLY_REMAPPING "
2864         fi
2865 ], [with_moonlight=no])
2866 AC_SUBST(MOONLIGHT_DEFINES)
2867
2868 AC_ARG_WITH(moon_gc, [  --with-moon-gc=boehm,sgen               Select the gc to use with Moonlight (defaults to boehm)],[
2869         if test "x$with_moon_gc" != "xsgen"; then
2870                 with_moon_gc=boehm
2871         fi
2872 ], [with_moon_gc=boehm])
2873
2874 AC_CHECK_HEADER([malloc.h], 
2875                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
2876                         [Define to 1 if you have /usr/include/malloc.h.])],,)
2877
2878 if test x"$GCC" = xyes; then
2879         # Implicit function declarations are not 64 bit safe
2880         # Do this late, since this causes lots of configure tests to fail
2881         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
2882         # jay has a lot of implicit declarations
2883         JAY_CFLAGS="-Wno-implicit-function-declaration"
2884 fi
2885
2886 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
2887 # instead of libmono-static.a
2888 if test "x$enable_shared" = "xno"; then
2889    LIBMONO_LA=.libs/libmono-static.a
2890 else
2891    LIBMONO_LA=libmono-$API_VER.la
2892 fi
2893 AC_SUBST(LIBMONO_LA)
2894
2895 dnl
2896 dnl Consistency settings
2897 dnl
2898 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
2899    DISABLE_MCS_DOCS=yes
2900 fi
2901
2902 if test x$DISABLE_MCS_DOCS = xyes; then
2903    docs_dir=""
2904 else
2905    docs_dir=docs
2906 fi
2907 AC_SUBST(docs_dir)
2908
2909 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
2910 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
2911
2912 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
2913 AC_SUBST(OPROFILE_CFLAGS)
2914 AC_SUBST(OPROFILE_LIBS)
2915
2916 libmono_ldflags="$libmono_ldflags $LIBS"
2917
2918 AM_CONDITIONAL(MOONLIGHT, [test "x$with_moonlight" != "xno"])
2919 AM_CONDITIONAL(ONLY_MOONLIGHT, [test "x$with_moonlight" = "xonly"])
2920 AM_CONDITIONAL(MOONLIGHT_BOEHM, [test "x$with_moon_gc" = "xboehm"])
2921 AM_CONDITIONAL(MOONLIGHT_SGEN, [test "x$with_moon_gc" = "xsgen"])
2922
2923 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
2924 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
2925 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
2926 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" = xyes])
2927 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" = xyes])
2928 AM_CONDITIONAL(INSTALL_MOBILE, [test "x$with_mobile" = xyes])
2929
2930 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
2931 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
2932 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
2933 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
2934 AM_CONDITIONAL(X86, test x$TARGET = xX86)
2935 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
2936 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
2937 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
2938 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
2939 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
2940 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
2941 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
2942 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
2943 AM_CONDITIONAL(S390, test x$TARGET = xS390)
2944 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
2945 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
2946
2947 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
2948 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
2949 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
2950
2951 AC_SUBST(LIBC)
2952 AC_SUBST(INTL)
2953 AC_SUBST(SQLITE)
2954 AC_SUBST(SQLITE3)
2955 AC_SUBST(X11)
2956 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
2957 AC_SUBST(arch_target)
2958 AC_SUBST(CFLAGS)
2959 AC_SUBST(CPPFLAGS)
2960 AC_SUBST(LDFLAGS)
2961
2962 mono_build_root=`pwd`
2963 AC_SUBST(mono_build_root)
2964
2965 if test x$USEJIT = xtrue; then
2966   mono_runtime=mono/mini/mono
2967 else
2968   mono_runtime=mono/interpreter/mint
2969 fi
2970 AC_SUBST(mono_runtime)
2971
2972 mono_cfg_root=$mono_build_root/runtime
2973 if test x$host_win32 = xyes; then
2974   if test "x$cross_compiling" = "xno"; then
2975     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
2976   else
2977     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
2978   fi
2979 else
2980   mono_cfg_dir=$mono_cfg_root/etc
2981 fi
2982 AC_SUBST(mono_cfg_dir)
2983
2984 AC_CONFIG_FILES([po/mcs/Makefile.in])
2985
2986 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
2987 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
2988
2989 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
2990 [   depth=../../../..
2991     case $srcdir in
2992     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2993     .) reldir=$depth ;;
2994     *) reldir=$depth/$srcdir ;;
2995     esac
2996     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
2997     cd runtime/etc/mono/1.0
2998     rm -f machine.config
2999     $LN_S $reldir/data/net_1_1/machine.config machine.config
3000     cd $depth
3001 ],[LN_S='$LN_S'])
3002
3003 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3004 [   depth=../../../..
3005     case $srcdir in
3006     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3007     .) reldir=$depth ;;
3008     *) reldir=$depth/$srcdir ;;
3009     esac
3010     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3011     cd runtime/etc/mono/2.0
3012     rm -f machine.config
3013     $LN_S $reldir/data/net_2_0/machine.config machine.config
3014     cd $depth
3015 ],[LN_S='$LN_S'])
3016
3017 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3018 [   depth=../../../..
3019     case $srcdir in
3020     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3021     .) reldir=$depth ;;
3022     *) reldir=$depth/$srcdir ;;
3023     esac
3024     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3025     cd runtime/etc/mono/2.0
3026     rm -f web.config
3027     $LN_S $reldir/data/net_2_0/web.config web.config
3028     cd $depth
3029 ],[LN_S='$LN_S'])
3030
3031 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3032 [   depth=../../..
3033     case $srcdir in
3034     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3035     .) reldir=$depth ;;
3036     *) reldir=$depth/$srcdir ;;
3037     esac
3038     $ac_aux_dir/install-sh -d runtime/etc/mono/
3039     cd runtime/etc/mono/
3040     rm -f browscap.ini
3041     $LN_S $reldir/data/browscap.ini browscap.ini
3042     cd $depth
3043 ],[LN_S='$LN_S'])
3044
3045 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3046 [   depth=../../../../..
3047     case $srcdir in
3048     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3049     .) reldir=$depth ;;
3050     *) reldir=$depth/$srcdir ;;
3051     esac
3052     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3053     cd runtime/etc/mono/2.0/Browsers
3054     rm -f Compat.browser
3055     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
3056     cd $depth
3057 ],[LN_S='$LN_S'])
3058
3059 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3060 [   depth=../../../..
3061     case $srcdir in
3062     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3063     .) reldir=$depth ;;
3064     *) reldir=$depth/$srcdir ;;
3065     esac
3066     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3067     cd runtime/etc/mono/4.0
3068     rm -f machine.config
3069     $LN_S $reldir/data/net_4_0/machine.config machine.config
3070     cd $depth
3071 ],[LN_S='$LN_S'])
3072
3073 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3074 [   depth=../../../..
3075     case $srcdir in
3076     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3077     .) reldir=$depth ;;
3078     *) reldir=$depth/$srcdir ;;
3079     esac
3080     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3081     cd runtime/etc/mono/4.0
3082     rm -f web.config
3083     $LN_S $reldir/data/net_4_0/web.config web.config
3084     cd $depth
3085 ],[LN_S='$LN_S'])
3086
3087 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3088 [   depth=../../../..
3089     case $srcdir in
3090     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3091     .) reldir=$depth ;;
3092     *) reldir=$depth/$srcdir ;;
3093     esac
3094     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3095     cd runtime/etc/mono/4.5
3096     rm -f machine.config
3097     $LN_S $reldir/data/net_4_5/machine.config machine.config
3098     cd $depth
3099 ],[LN_S='$LN_S'])
3100
3101 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3102 [   depth=../../../..
3103     case $srcdir in
3104     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3105     .) reldir=$depth ;;
3106     *) reldir=$depth/$srcdir ;;
3107     esac
3108     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3109     cd runtime/etc/mono/4.5
3110     rm -f web.config
3111     $LN_S $reldir/data/net_4_5/web.config web.config
3112     cd $depth
3113 ],[LN_S='$LN_S'])
3114
3115 if test x$enable_quiet_build = xyes; then
3116    AC_CONFIG_COMMANDS([quiet],
3117 [  for i in `find mono libgc support -name Makefile`; do
3118            if [ grep -q 'generated by automake' $i ]; then
3119                   $srcdir/scripts/patch-quiet.sh $i;
3120            fi;
3121    done
3122 ], [shell=$SHELL])
3123    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])
3124 fi
3125
3126 AC_OUTPUT([
3127 Makefile
3128 mono-core.spec
3129 mono-uninstalled.pc
3130 scripts/mono-find-provides
3131 scripts/mono-find-requires
3132 mono/Makefile
3133 mono/utils/Makefile
3134 mono/metadata/Makefile
3135 mono/dis/Makefile
3136 mono/cil/Makefile
3137 mono/arch/Makefile
3138 mono/arch/x86/Makefile
3139 mono/arch/amd64/Makefile
3140 mono/arch/hppa/Makefile
3141 mono/arch/ppc/Makefile
3142 mono/arch/sparc/Makefile
3143 mono/arch/s390/Makefile
3144 mono/arch/s390x/Makefile
3145 mono/arch/arm/Makefile
3146 mono/arch/alpha/Makefile
3147 mono/arch/ia64/Makefile
3148 mono/arch/mips/Makefile
3149 mono/interpreter/Makefile
3150 mono/tests/Makefile
3151 mono/tests/tests-config
3152 mono/tests/assemblyresolve/Makefile
3153 mono/tests/cas/Makefile
3154 mono/tests/cas/assembly/Makefile
3155 mono/tests/cas/demand/Makefile
3156 mono/tests/cas/inheritance/Makefile
3157 mono/tests/cas/linkdemand/Makefile
3158 mono/tests/cas/threads/Makefile
3159 mono/benchmark/Makefile
3160 mono/monograph/Makefile
3161 mono/io-layer/Makefile
3162 mono/mini/Makefile
3163 mono/profiler/Makefile
3164 m4/Makefile
3165 ikvm-native/Makefile
3166 scripts/Makefile
3167 man/Makefile
3168 docs/Makefile
3169 data/Makefile
3170 data/net_2_0/Makefile
3171 data/net_4_0/Makefile
3172 data/net_4_5/Makefile
3173 data/net_2_0/Browsers/Makefile
3174 data/mint.pc
3175 data/mono-2.pc
3176 data/monosgen-2.pc
3177 data/mono.pc
3178 data/mono-cairo.pc
3179 data/mono-nunit.pc
3180 data/mono-options.pc
3181 data/mono-lineeditor.pc
3182 data/monodoc.pc
3183 data/mono.web.pc
3184 data/dotnet.pc
3185 data/dotnet35.pc
3186 data/wcf.pc
3187 data/cecil.pc
3188 data/system.web.extensions_1.0.pc
3189 data/system.web.extensions.design_1.0.pc
3190 data/system.web.mvc.pc
3191 data/system.web.mvc2.pc
3192 data/system.web.mvc3.pc
3193 data/aspnetwebstack.pc
3194 samples/Makefile
3195 support/Makefile
3196 data/config
3197 tools/Makefile
3198 tools/locale-builder/Makefile
3199 tools/sgen/Makefile
3200 runtime/Makefile
3201 msvc/Makefile
3202 po/Makefile
3203 ])
3204
3205 # Update all submodules recursively to ensure everything is checked out
3206 $srcdir/scripts/update_submodules
3207
3208 if test x$host_win32 = xyes; then
3209    # Get rid of 'cyg' prefixes in library names
3210    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3211    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3212    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3213    # executable doesn't work...
3214    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3215 fi
3216
3217 (
3218   case $prefix in
3219   NONE) prefix=$ac_default_prefix ;;
3220   esac
3221   case $exec_prefix in
3222   NONE) exec_prefix='${prefix}' ;;
3223   esac
3224
3225   #
3226   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3227   # any existing config.make.  This allows people to share the same source tree
3228   # with different build directories, one native and one cross
3229   #
3230   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3231
3232     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3233
3234     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3235     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3236     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3237     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3238     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3239     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3240     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3241     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3242
3243     case $INSTALL in
3244     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3245     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3246     esac
3247
3248     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3249
3250     export VERSION
3251     [myver=$($AWK 'BEGIN {
3252       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3253       if(length(vsplit [1]) > 4) {
3254         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3255       }
3256       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3257     }')]
3258
3259     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3260
3261     if test x$platform_darwin = xyes; then
3262       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3263     fi
3264
3265         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3266            enable_system_aot=yes
3267         fi
3268
3269         if test "x$enable_loadedllvm" = "xyes"; then
3270            # This seems to fail on the x86 buildbots
3271            enable_system_aot=no
3272         fi
3273
3274     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3275       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3276     fi
3277
3278     if test x$DISABLE_MCS_DOCS = xyes; then
3279       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3280     fi
3281
3282     if test x$with_moonlight != xno; then
3283       echo "MOONLIGHT = 1" >> $srcdir/$mcsdir/build/config.make
3284     fi
3285
3286         default_profile=net_2_0
3287     if test -z "$INSTALL_4_0_TRUE"; then :
3288                 default_profile=net_4_0
3289     fi
3290     if test -z "$INSTALL_MONODROID_TRUE"; then :
3291                 default_profile=monodroid
3292     fi
3293     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3294                 default_profile=monotouch
3295     fi
3296     if test -z "$INSTALL_4_5_TRUE"; then :
3297                 default_profile=net_4_5
3298     fi
3299     
3300     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3301     
3302     if test "x$test_bcl_opt" = "xyes"; then    
3303       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3304     fi
3305
3306   fi
3307
3308   # if we have an olive folder, override the default settings
3309   if test -d $olivedir; then
3310
3311     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3312
3313       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3314
3315       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3316       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3317       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3318       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3319       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3320       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3321     fi
3322   fi
3323
3324 )
3325
3326 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3327
3328 echo "
3329         mcs source:    $mcsdir
3330
3331    Engine:
3332         GC:            $gc_msg 
3333         TLS:           $with_tls
3334         SIGALTSTACK:   $with_sigaltstack
3335         Engine:        $jit_status
3336         oprofile:      $OPROFILE
3337         BigArrays:     $enable_big_arrays
3338         DTrace:        $enable_dtrace
3339         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3340
3341    Libraries:
3342         .NET 2.0/3.5:  $with_profile2
3343         .NET 4.0:      $with_profile4
3344         .NET 4.5:      $with_profile4_5
3345         MonoDroid:     $with_monodroid
3346         MonoTouch:     $with_monotouch
3347         Mobile:        $with_mobile
3348         JNI support:   $jdk_headers_found
3349         libgdiplus:    $libgdiplus_msg
3350         zlib:          $zlib_msg
3351         $disabled
3352 "
3353 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3354    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3355 fi