[mdoc] Fix monodoc-ecma schema
[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, [2.11.5],
5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
6
7 AC_CONFIG_SRCDIR([README])
8 AC_CONFIG_MACRO_DIR([m4])
9 AC_CANONICAL_SYSTEM
10 AC_CANONICAL_HOST
11
12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
13 # The extra brackets are to foil regex-based scans.
14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
15
16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign])
17 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 $1"
1128                 AC_TRY_COMPILE([
1129                         #include <sys/types.h>
1130                         #include <limits.h>
1131                 ], [
1132                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1133                         #define COMPILE_TIME_ASSERT(pred) \
1134                                 switch(0){case 0:case pred:;}
1135                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1136                 ], [
1137                         AC_MSG_RESULT(ok)
1138                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1139                         large_CPPFLAGS="$large_CPPFLAGS $1"
1140                         large_offt=yes
1141                 ], [
1142                         AC_MSG_RESULT(no)
1143                 ])
1144                 CPPFLAGS=$large_CPPFLAGS
1145         ])
1146
1147         AC_MSG_CHECKING(if off_t is 64 bits wide)
1148         LARGE_FILES("")
1149         if test $large_offt = no; then
1150                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1151                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1152         fi
1153         if test $large_offt = no; then
1154                 AC_MSG_WARN([No 64 bit file size support available])
1155         fi
1156         
1157         dnl *****************************
1158         dnl *** Checks for libsocket  ***
1159         dnl *****************************
1160         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1161
1162         dnl *******************************
1163         dnl *** Checks for MSG_NOSIGNAL ***
1164         dnl *******************************
1165         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1166         AC_TRY_COMPILE([#include <sys/socket.h>], [
1167                 int f = MSG_NOSIGNAL;
1168         ], [
1169                 # Yes, we have it...
1170                 AC_MSG_RESULT(yes)
1171                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1172         ], [
1173                 # We'll have to use signals
1174                 AC_MSG_RESULT(no)
1175         ])
1176
1177         dnl *****************************
1178         dnl *** Checks for SOL_IP     ***
1179         dnl *****************************
1180         AC_MSG_CHECKING(for SOL_IP)
1181         AC_TRY_COMPILE([#include <netdb.h>], [
1182                 int level = SOL_IP;
1183         ], [
1184                 # Yes, we have it...
1185                 AC_MSG_RESULT(yes)
1186                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1187         ], [
1188                 # We'll have to use getprotobyname
1189                 AC_MSG_RESULT(no)
1190         ])
1191
1192         dnl *****************************
1193         dnl *** Checks for SOL_IPV6     ***
1194         dnl *****************************
1195         AC_MSG_CHECKING(for SOL_IPV6)
1196         AC_TRY_COMPILE([#include <netdb.h>], [
1197                 int level = SOL_IPV6;
1198         ], [
1199                 # Yes, we have it...
1200                 AC_MSG_RESULT(yes)
1201                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1202         ], [
1203                 # We'll have to use getprotobyname
1204                 AC_MSG_RESULT(no)
1205         ])
1206
1207         dnl *****************************
1208         dnl *** Checks for SOL_TCP    ***
1209         dnl *****************************
1210         AC_MSG_CHECKING(for SOL_TCP)
1211         AC_TRY_COMPILE([#include <netdb.h>], [
1212                 int level = SOL_TCP;
1213         ], [
1214                 # Yes, we have it...
1215                 AC_MSG_RESULT(yes)
1216                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1217         ], [
1218                 # We'll have to use getprotobyname
1219                 AC_MSG_RESULT(no)
1220         ])
1221
1222         dnl *****************************
1223         dnl *** Checks for IP_PKTINFO ***
1224         dnl *****************************
1225         AC_MSG_CHECKING(for IP_PKTINFO)
1226         AC_TRY_COMPILE([#include <netdb.h>], [
1227                 int level = IP_PKTINFO;
1228         ], [
1229                 # Yes, we have it...
1230                 AC_MSG_RESULT(yes)
1231                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1232         ], [
1233                 AC_MSG_RESULT(no)
1234         ])
1235
1236         dnl *****************************
1237         dnl *** Checks for IPV6_PKTINFO ***
1238         dnl *****************************
1239         AC_MSG_CHECKING(for IPV6_PKTINFO)
1240         AC_TRY_COMPILE([#include <netdb.h>], [
1241                 int level = IPV6_PKTINFO;
1242         ], [
1243                 # Yes, we have it...
1244                 AC_MSG_RESULT(yes)
1245                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1246         ], [
1247                 AC_MSG_RESULT(no)
1248         ])
1249
1250         dnl **********************************
1251         dnl *** Checks for IP_DONTFRAGMENT ***
1252         dnl **********************************
1253         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1254         AC_TRY_COMPILE([#include <netdb.h>], [
1255                 int level = IP_DONTFRAGMENT;
1256         ], [
1257                 # Yes, we have it...
1258                 AC_MSG_RESULT(yes)
1259                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1260         ], [
1261                 AC_MSG_RESULT(no)
1262         ])
1263
1264         dnl **********************************
1265         dnl *** Checks for IP_MTU_DISCOVER ***
1266         dnl **********************************
1267         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1268         AC_TRY_COMPILE([#include <netdb.h>], [
1269                 int level = IP_MTU_DISCOVER;
1270         ], [
1271                 # Yes, we have it...
1272                 AC_MSG_RESULT(yes)
1273                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1274         ], [
1275                 AC_MSG_RESULT(no)
1276         ])
1277
1278         dnl *********************************
1279         dnl *** Check for struct ip_mreqn ***
1280         dnl *********************************
1281         AC_MSG_CHECKING(for struct ip_mreqn)
1282         AC_TRY_COMPILE([#include <netinet/in.h>], [
1283                 struct ip_mreqn mreq;
1284                 mreq.imr_address.s_addr = 0;
1285         ], [
1286                 # Yes, we have it...
1287                 AC_MSG_RESULT(yes)
1288                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1289         ], [
1290                 # We'll just have to try and use struct ip_mreq
1291                 AC_MSG_RESULT(no)
1292                 AC_MSG_CHECKING(for struct ip_mreq)
1293                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1294                         struct ip_mreq mreq;
1295                         mreq.imr_interface.s_addr = 0;
1296                 ], [
1297                         # Yes, we have it...
1298                         AC_MSG_RESULT(yes)
1299                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1300                 ], [
1301                         # No multicast support
1302                         AC_MSG_RESULT(no)
1303                 ])
1304         ])
1305         
1306         dnl **********************************
1307         dnl *** Check for gethostbyname2_r ***
1308         dnl **********************************
1309         AC_MSG_CHECKING(for gethostbyname2_r)
1310                 AC_TRY_LINK([#include <netdb.h>], [
1311                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1312         ], [
1313                 # Yes, we have it...
1314                 AC_MSG_RESULT(yes)
1315                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1316         ], [
1317                 AC_MSG_RESULT(no)
1318         ])
1319
1320         dnl *****************************
1321         dnl *** Checks for libnsl     ***
1322         dnl *****************************
1323         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1324
1325         AC_CHECK_FUNCS(inet_pton inet_aton)
1326
1327         dnl ***********************************************
1328         dnl *** Checks for size of sockaddr_un.sun_path ***
1329         dnl ***********************************************
1330         # AC_CHECK_SIZEOF can't cope with struct members :-(
1331         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1332         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1333                 [AC_TRY_RUN([
1334                         #include <sys/types.h>
1335                         #include <stdio.h>
1336                         #include <sys/un.h>
1337
1338                         int main(void) {
1339                                 struct sockaddr_un sock_un;
1340                                 FILE *f=fopen("conftestval", "w");
1341                                 if(!f) exit(1);
1342                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1343                                 exit(0);
1344                         }
1345                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1346                    mono_cv_sizeof_sunpath=0,
1347                    mono_cv_sizeof_sunpath=0)])dnl
1348         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1349         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1350
1351         dnl *****************************
1352         dnl *** Checks for libxnet    ***
1353         dnl *****************************
1354         case "${host}" in
1355                 *solaris* )
1356                         AC_MSG_CHECKING(for Solaris XPG4 support)
1357                         if test -f /usr/lib/libxnet.so; then
1358                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1359                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1360                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1361                                 LIBS="$LIBS -lxnet"
1362                                 AC_MSG_RESULT(yes)
1363                         else
1364                                 AC_MSG_RESULT(no)
1365                         fi
1366
1367                         if test "$GCC" = "yes"; then
1368                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1369                         fi
1370                 ;;
1371         esac
1372
1373         dnl *****************************
1374         dnl *** Checks for libpthread ***
1375         dnl *****************************
1376 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1377 # and libpthread does not exist
1378 #
1379         case "${host}" in
1380                 *-*-*freebsd*)
1381                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1382                 ;;
1383                 *-*-*openbsd*)
1384                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1385                 ;;
1386                 *)
1387                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1388                 ;;
1389         esac
1390         AC_CHECK_HEADERS(pthread.h)
1391         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1392         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1393         AC_CHECK_FUNCS(pthread_kill)
1394         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1395         AC_TRY_COMPILE([ #include <pthread.h>], [
1396                 pthread_mutexattr_t attr;
1397                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1398         ], [
1399                 AC_MSG_RESULT(ok)
1400         ], [
1401                 AC_MSG_RESULT(no)
1402                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1403                 AC_DEFINE(USE_MONO_MUTEX, 1, [Use mono_mutex_t])
1404         ])
1405         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1406         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1407         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1408
1409         dnl ***********************************
1410         dnl *** Checks for signals
1411         dnl ***********************************
1412         AC_CHECK_HEADERS(signal.h)
1413         AC_CHECK_FUNCS(sigaction)
1414
1415         dnl ***********************************
1416         dnl *** Checks for working __thread ***
1417         dnl ***********************************
1418         AC_MSG_CHECKING(for working __thread)
1419         if test "x$with_tls" != "x__thread"; then
1420                 AC_MSG_RESULT(disabled)
1421         else
1422                 AC_TRY_RUN([
1423                         #include <pthread.h>
1424                         __thread int i;
1425                         static int res1, res2;
1426
1427                         void thread_main (void *arg)
1428                         {
1429                                 i = arg;
1430                                 sleep (1);
1431                                 if (arg == 1)
1432                                         res1 = (i == arg);
1433                                 else
1434                                         res2 = (i == arg);
1435                         }
1436
1437                         int main () {
1438                                 pthread_t t1, t2;
1439
1440                                 i = 5;
1441
1442                                 pthread_create (&t1, NULL, thread_main, 1);
1443                                 pthread_create (&t2, NULL, thread_main, 2);
1444
1445                                 pthread_join (t1, NULL);
1446                                 pthread_join (t2, NULL);
1447
1448                                 return !(res1 + res2 == 2);
1449                         }
1450                 ], [
1451                                 AC_MSG_RESULT(yes)
1452                 ], [
1453                                 AC_MSG_RESULT(no)
1454                                 with_tls=pthread
1455                 ])
1456         fi
1457
1458         dnl **************************************
1459         dnl *** Checks for working sigaltstack ***
1460         dnl **************************************
1461         AC_MSG_CHECKING(for working sigaltstack)
1462         if test "x$with_sigaltstack" != "xyes"; then
1463                 AC_MSG_RESULT(disabled)
1464         else
1465                 AC_TRY_RUN([
1466                         #include <stdio.h>
1467                         #include <stdlib.h>
1468                         #include <unistd.h>
1469                         #include <signal.h>
1470                         #include <pthread.h>
1471                         #include <sys/wait.h>
1472                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1473                         #define SA_STACK SA_ONSTACK
1474                         #endif
1475                         static void
1476                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1477                         {
1478                                 exit (0);
1479                         }
1480
1481                         volatile char*__ptr = NULL;
1482                         static void *
1483                         loop (void *ignored)
1484                         {
1485                                 *__ptr = 0;
1486                                 return NULL;
1487                         }
1488
1489                         static void
1490                         child ()
1491                         {
1492                                 struct sigaction sa;
1493                         #ifdef __APPLE__
1494                                 stack_t sas;
1495                         #else
1496                                 struct sigaltstack sas;
1497                         #endif
1498                                 pthread_t id;
1499                                 pthread_attr_t attr;
1500
1501                                 sa.sa_sigaction = sigsegv_signal_handler;
1502                                 sigemptyset (&sa.sa_mask);
1503                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1504                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1505                                         perror ("sigaction");
1506                                         return;
1507                                 }
1508
1509                                 /* x86 darwin deliver segfaults using SIGBUS */
1510                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1511                                         perror ("sigaction");
1512                                         return;
1513                                 }
1514                                 sas.ss_sp = malloc (SIGSTKSZ);
1515                                 sas.ss_size = SIGSTKSZ;
1516                                 sas.ss_flags = 0;
1517                                 if (sigaltstack (&sas, NULL) == -1) {
1518                                         perror ("sigaltstack");
1519                                         return;
1520                                 }
1521
1522                                 pthread_attr_init (&attr);
1523                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1524                                         printf ("pthread_create\n");
1525                                         return;
1526                                 }
1527
1528                                 sleep (100);
1529                         }
1530
1531                         int
1532                         main ()
1533                         {
1534                                 pid_t son;
1535                                 int status;
1536                                 int i;
1537
1538                                 son = fork ();
1539                                 if (son == -1) {
1540                                         return 1;
1541                                 }
1542
1543                                 if (son == 0) {
1544                                         child ();
1545                                         return 0;
1546                                 }
1547
1548                                 for (i = 0; i < 3; ++i) {
1549                                         sleep (1);
1550                                         waitpid (son, &status, WNOHANG);
1551                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1552                                                 return 0;
1553                                 }
1554
1555                                 kill (son, SIGKILL);
1556                                 return 1;
1557                         }
1558
1559                 ], [
1560                                 AC_MSG_RESULT(yes)
1561                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1562                 ], [
1563                                 with_sigaltstack=no
1564                                 AC_MSG_RESULT(no)
1565                 ])
1566         fi
1567
1568         dnl ********************************
1569         dnl *** Checks for semaphore lib ***
1570         dnl ********************************
1571         # 'Real Time' functions on Solaris
1572         # posix4 on Solaris 2.6
1573         # pthread (first!) on Linux
1574         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1575
1576         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1577         AC_CHECK_FUNCS(shm_open)
1578
1579         dnl ********************************
1580         dnl *** Checks for timezone stuff **
1581         dnl ********************************
1582         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1583                 AC_TRY_COMPILE([
1584                         #include <time.h>
1585                         ], [
1586                         struct tm tm;
1587                         tm.tm_gmtoff = 1;
1588                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1589         if test $ac_cv_struct_tm_gmtoff = yes; then
1590                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1591         else
1592                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1593                         AC_TRY_COMPILE([
1594                                 #include <time.h>
1595                         ], [
1596                                 timezone = 1;
1597                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1598                 if test $ac_cv_var_timezone = yes; then
1599                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1600                 else
1601                         AC_ERROR(unable to find a way to determine timezone)
1602                 fi
1603         fi
1604
1605         dnl *********************************
1606         dnl *** Checks for math functions ***
1607         dnl *********************************
1608         AC_SEARCH_LIBS(sqrtf, m)
1609         if test "x$has_broken_apple_cpp" != "xyes"; then
1610                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1611                         AC_TRY_LINK([#include <math.h>], 
1612                         [ finite(0.0); ], 
1613                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1614                         AC_MSG_RESULT(no)))
1615         fi
1616         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1617                 AC_TRY_LINK([#include <math.h>], 
1618                 [ isfinite(0.0); ], 
1619                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1620                 AC_MSG_RESULT(no)))
1621
1622         dnl ****************************************************************
1623         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1624         dnl *** have it in the library (duh))                            ***
1625         dnl ****************************************************************
1626         AC_CHECK_FUNCS(poll)
1627
1628         dnl *************************
1629         dnl *** Check for signbit ***
1630         dnl *************************
1631         AC_MSG_CHECKING(for signbit)
1632         AC_TRY_LINK([#include <math.h>], [
1633                 int s = signbit(1.0);
1634         ], [
1635                 AC_MSG_RESULT(yes)
1636                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1637         ], [
1638                 AC_MSG_RESULT(no)
1639         ]) 
1640
1641         dnl **********************************
1642         dnl *** epoll                      ***
1643         dnl **********************************
1644         AC_CHECK_HEADERS(sys/epoll.h)
1645         haveepoll=no
1646         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1647         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1648                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1649         fi
1650
1651         havekqueue=no
1652         AC_CHECK_FUNCS(kqueue, , AC_MSG_CHECKING(for kqueue in sys/event.h)
1653                 AC_TRY_LINK([#include <sys/event.h>], 
1654                 [ kqueue(); ], 
1655                 AC_DEFINE(HAVE_KQUEUE, 1, [Have kqueue]) AC_MSG_RESULT(yes),
1656                 AC_MSG_RESULT(no)))
1657         dnl ******************************
1658         dnl *** Checks for SIOCGIFCONF ***
1659         dnl ******************************
1660         AC_CHECK_HEADERS(sys/ioctl.h)
1661         AC_CHECK_HEADERS(net/if.h, [], [],
1662            [
1663            #ifdef HAVE_SYS_TYPES_H
1664            # include <sys/types.h>
1665            #endif
1666            #ifdef HAVE_SYS_SOCKET_H
1667            # include <sys/socket.h>
1668            #endif
1669            ])
1670         AC_MSG_CHECKING(for ifreq)
1671         AC_TRY_COMPILE([
1672                 #include <stdio.h>
1673                 #include <sys/ioctl.h>
1674                 #include <net/if.h>
1675                 ], [
1676                 struct ifconf ifc;
1677                 struct ifreq *ifr;
1678                 void *x;
1679                 ifc.ifc_len = 0;
1680                 ifc.ifc_buf = NULL;
1681                 x = (void *) &ifr->ifr_addr;
1682                 ],[
1683                         AC_MSG_RESULT(yes)
1684                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1685                 ], [
1686                         AC_MSG_RESULT(no)
1687                 ])
1688         dnl **********************************
1689         dnl ***     Checks for sin_len     ***
1690         dnl **********************************
1691         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1692         AC_TRY_COMPILE([
1693                 #include <netinet/in.h>
1694                 ], [
1695                 struct sockaddr_in saddr;
1696                 saddr.sin_len = sizeof (saddr);
1697                 ],[
1698                         AC_MSG_RESULT(yes)
1699                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1700                 ], [
1701                         AC_MSG_RESULT(no)
1702                 ])      
1703         dnl **********************************
1704         dnl ***    Checks for sin6_len     ***
1705         dnl **********************************
1706         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1707         AC_TRY_COMPILE([
1708                 #include <netinet/in.h>
1709                 ], [
1710                 struct sockaddr_in6 saddr6;
1711                 saddr6.sin6_len = sizeof (saddr6);
1712                 ],[
1713                         AC_MSG_RESULT(yes)
1714                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1715                 ], [
1716                         AC_MSG_RESULT(no)
1717                 ])
1718         dnl **********************************
1719         dnl *** Check for getifaddrs       ***
1720         dnl **********************************
1721         AC_MSG_CHECKING(for getifaddrs)
1722                 AC_TRY_LINK([
1723                 #include <stdio.h>
1724                 #include <sys/types.h>
1725                 #include <sys/socket.h>
1726                 #include <ifaddrs.h>
1727         ], [
1728                 getifaddrs(NULL);
1729         ], [
1730                 # Yes, we have it...
1731                 AC_MSG_RESULT(yes)
1732                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1733         ], [
1734                 AC_MSG_RESULT(no)
1735         ])
1736         dnl **********************************
1737         dnl *** Check for if_nametoindex   ***
1738         dnl **********************************
1739         AC_MSG_CHECKING(for if_nametoindex)
1740                 AC_TRY_LINK([
1741                 #include <stdio.h>
1742                 #include <sys/types.h>
1743                 #include <sys/socket.h>
1744                 #include <net/if.h>
1745         ], [
1746                 if_nametoindex(NULL);
1747         ], [
1748                 # Yes, we have it...
1749                 AC_MSG_RESULT(yes)
1750                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1751         ], [
1752                 AC_MSG_RESULT(no)
1753         ])
1754                         
1755         dnl **********************************
1756         dnl *** Checks for MonoPosixHelper ***
1757         dnl **********************************
1758         AC_CHECK_HEADERS(checklist.h)
1759         AC_CHECK_HEADERS(pathconf.h)
1760         AC_CHECK_HEADERS(fstab.h)
1761         AC_CHECK_HEADERS(attr/xattr.h)
1762         AC_CHECK_HEADERS(sys/extattr.h)
1763         AC_CHECK_HEADERS(sys/sendfile.h)
1764         AC_CHECK_HEADERS(sys/statvfs.h)
1765         AC_CHECK_HEADERS(sys/statfs.h)
1766         AC_CHECK_HEADERS(sys/vfstab.h)
1767         AC_CHECK_HEADERS(sys/xattr.h)
1768         AC_CHECK_HEADERS(sys/mman.h)
1769         AC_CHECK_HEADERS(sys/param.h)
1770         AC_CHECK_HEADERS(sys/mount.h, [], [],
1771                 [
1772                 #ifdef HAVE_SYS_PARAM_H
1773                 # include <sys/param.h>
1774                 #endif
1775                 ])
1776         AC_CHECK_HEADERS(sys/mount.h)
1777         AC_CHECK_FUNCS(confstr)
1778         AC_CHECK_FUNCS(seekdir telldir)
1779         AC_CHECK_FUNCS(getdomainname)
1780         AC_CHECK_FUNCS(setdomainname)
1781         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1782         AC_CHECK_FUNCS(setgroups)
1783         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1784         AC_CHECK_FUNCS(getfsstat)
1785         AC_CHECK_FUNCS(lutimes futimes)
1786         AC_CHECK_FUNCS(mremap)
1787         AC_CHECK_FUNCS(remap_file_pages)
1788         AC_CHECK_FUNCS(posix_fadvise)
1789         AC_CHECK_FUNCS(posix_fallocate)
1790         AC_CHECK_FUNCS(posix_madvise)
1791         AC_CHECK_FUNCS(vsnprintf)
1792         AC_CHECK_FUNCS(sendfile)
1793         AC_CHECK_FUNCS(gethostid sethostid)
1794         AC_CHECK_FUNCS(sethostname)
1795         AC_CHECK_FUNCS(statfs)
1796         AC_CHECK_FUNCS(fstatfs)
1797         AC_CHECK_FUNCS(statvfs)
1798         AC_CHECK_FUNCS(fstatvfs)
1799         AC_CHECK_FUNCS(stime)
1800         AC_CHECK_FUNCS(strerror_r)
1801         AC_CHECK_FUNCS(ttyname_r)
1802         AC_CHECK_FUNCS(psignal)
1803         AC_CHECK_FUNCS(getlogin_r)
1804         AC_CHECK_FUNCS(lockf)
1805         AC_CHECK_FUNCS(swab)
1806         AC_CHECK_FUNCS(setusershell endusershell)
1807         AC_CHECK_SIZEOF(size_t)
1808         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
1809                 [#include <sys/types.h>
1810                  #include <sys/stat.h>
1811                  #include <unistd.h>])
1812         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1813                 [#include <sys/types.h>
1814                  #include <sys/stat.h>
1815                  #include <unistd.h>])
1816         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1817                 [#include <sys/time.h>])
1818         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
1819                 [#include <unistd.h>
1820                  #include <fcntl.h>])
1821         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1822                 [#include <sys/poll.h>])
1823         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1824                 [#include <sys/types.h>
1825                  #include <sys/stat.h>
1826                  #include <unistd.h>])
1827         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
1828                 [#include <time.h>])
1829         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1830                 [#include <sys/time.h>
1831                  #include <sys/types.h>
1832                  #include <utime.h>])
1833         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1834                 [#include <sys/time.h>])
1835         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
1836                 [#include <sys/types.h>
1837                  #include <utime.h>])
1838         AC_CHECK_MEMBERS(
1839                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
1840                 [#include <sys/types.h>
1841                  #include <dirent.h>])
1842         AC_CHECK_MEMBERS(
1843                 [struct passwd.pw_gecos],,, 
1844                 [#include <sys/types.h>
1845                  #include <pwd.h>])
1846         AC_CHECK_MEMBERS(
1847                 [struct statfs.f_flags],,, 
1848                 [#include <sys/types.h>
1849                  #include <sys/vfs.h>])
1850
1851         dnl Favour xattr through glibc, but use libattr if we have to
1852         AC_CHECK_FUNC(lsetxattr, ,
1853                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1854         )
1855         AC_SUBST(XATTR_LIB)
1856
1857         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
1858         AC_CHECK_MEMBERS(
1859                 [struct kinfo_proc.kp_proc],,, 
1860                 [#include <sys/types.h>
1861                  #include <sys/param.h>
1862                  #include <sys/sysctl.h>
1863                  #include <sys/proc.h>
1864                  ])
1865
1866         dnl *********************************
1867         dnl *** Checks for Windows compilation ***
1868         dnl *********************************
1869         AC_CHECK_HEADERS(sys/time.h)
1870         AC_CHECK_HEADERS(sys/param.h)
1871         AC_CHECK_HEADERS(dirent.h)
1872
1873         dnl *********************************
1874         dnl *** Check for Console 2.0 I/O ***
1875         dnl *********************************
1876         AC_CHECK_HEADERS([curses.h])
1877         AC_CHECK_HEADERS([term.h], [], [],
1878         [#if HAVE_CURSES_H
1879          #include <curses.h>
1880          #endif
1881         ])
1882         AC_CHECK_HEADERS([termios.h])
1883
1884         dnl * This is provided in io-layer, but on windows it's only available
1885         dnl * on xp+
1886         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1887 else
1888         dnl *********************************
1889         dnl *** Checks for Windows compilation ***
1890         dnl *********************************
1891         AC_CHECK_HEADERS(winternl.h)
1892
1893         jdk_headers_found=no
1894         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1895         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1896         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1897         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
1898         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1899         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
1900         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
1901
1902         dnl *********************************
1903         dnl *** Check for struct ip_mreqn ***
1904         dnl *********************************
1905         AC_MSG_CHECKING(for struct ip_mreqn)
1906         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1907                 struct ip_mreqn mreq;
1908                 mreq.imr_address.s_addr = 0;
1909         ], [
1910                 # Yes, we have it...
1911                 AC_MSG_RESULT(yes)
1912                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1913         ], [
1914                 # We'll just have to try and use struct ip_mreq
1915                 AC_MSG_RESULT(no)
1916                 AC_MSG_CHECKING(for struct ip_mreq)
1917                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1918                         struct ip_mreq mreq;
1919                         mreq.imr_interface.s_addr = 0;
1920                 ], [
1921                         # Yes, we have it...
1922                         AC_MSG_RESULT(yes)
1923                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1924                 ], [
1925                         # No multicast support
1926                         AC_MSG_RESULT(no)
1927                 ])
1928         ])
1929         AC_CHECK_FUNCS(GetProcessId)
1930 fi
1931
1932 dnl socklen_t check
1933 AC_MSG_CHECKING(for socklen_t)
1934 AC_TRY_COMPILE([
1935 #include <sys/types.h>
1936 #include <sys/socket.h>
1937 ],[
1938   socklen_t foo;
1939 ],[
1940 ac_cv_c_socklen_t=yes
1941         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
1942         AC_MSG_RESULT(yes)
1943 ],[
1944         AC_MSG_RESULT(no)
1945 ])
1946
1947 AC_MSG_CHECKING(for array element initializer support)
1948 AC_TRY_COMPILE([#include <sys/socket.h>], [
1949         const int array[] = {[1] = 2,};
1950 ], [
1951         # Yes, we have it...
1952         AC_MSG_RESULT(yes)
1953         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1954 ], [
1955         # We'll have to use signals
1956         AC_MSG_RESULT(no)
1957 ])
1958
1959 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1960         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1961         AC_TRY_LINK([#include <math.h>], 
1962         [ static void *p = &trunc; ],
1963         [
1964                 AC_DEFINE(HAVE_TRUNC) 
1965                 AC_MSG_RESULT(yes)
1966                 ac_cv_trunc=yes
1967         ],
1968         AC_MSG_RESULT(no)))
1969
1970 if test "x$ac_cv_truncl" != "xyes"; then
1971    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
1972 fi
1973
1974 AC_CHECK_FUNCS(round)
1975 AC_CHECK_FUNCS(rint)
1976 AC_CHECK_FUNCS(execvp)
1977
1978 dnl ****************************
1979 dnl *** Look for /dev/random ***
1980 dnl ****************************
1981
1982 AC_MSG_CHECKING([if usage of random device is requested])
1983 AC_ARG_ENABLE(dev-random,
1984 [  --disable-dev-random    disable the use of the random device (enabled by default)],
1985 try_dev_random=$enableval, try_dev_random=yes)
1986
1987 AC_MSG_RESULT($try_dev_random)
1988
1989 case "{$build}" in
1990     *-openbsd*)
1991     NAME_DEV_RANDOM="/dev/srandom"
1992     ;;
1993
1994 dnl Win32 does not have /dev/random, they have their own method...
1995
1996     *-mingw*|*-*-cygwin*)
1997     ac_cv_have_dev_random=no
1998     ;;
1999
2000 dnl Everywhere else, it's /dev/random
2001
2002     *)
2003     NAME_DEV_RANDOM="/dev/random"
2004     ;;
2005 esac
2006
2007 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2008
2009 dnl Now check if the device actually exists
2010
2011 if test "x$try_dev_random" = "xyes"; then
2012     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2013     [if test -r "$NAME_DEV_RANDOM" ; then
2014         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2015     if test "x$ac_cv_have_dev_random" = "xyes"; then
2016         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2017     fi
2018 else
2019     AC_MSG_CHECKING(for random device)
2020     ac_cv_have_dev_random=no
2021     AC_MSG_RESULT(has been disabled)
2022 fi
2023
2024 if test "x$host_win32" = "xyes"; then
2025     AC_DEFINE(HAVE_CRYPT_RNG)
2026 fi
2027
2028 if test "x$ac_cv_have_dev_random" = "xno" \
2029     && test "x$host_win32" = "xno"; then
2030     AC_MSG_WARN([[
2031 ***
2032 *** A system-provided entropy source was not found on this system.
2033 *** Because of this, the System.Security.Cryptography random number generator
2034 *** will throw a NotImplemented exception.
2035 ***
2036 *** If you are seeing this message, and you know your system DOES have an
2037 *** entropy collection in place, please contact <crichton@gimp.org> and
2038 *** provide information about the system and how to access the random device.
2039 ***
2040 *** Otherwise you can install either egd or prngd and set the environment
2041 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2042 ***]])
2043 fi
2044  
2045 AC_MSG_CHECKING([if inter-process shared handles are requested])
2046 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2047 AC_MSG_RESULT($try_shared_handles)
2048 if test "x$try_shared_handles" != "xyes"; then
2049         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2050         AC_SUBST(DISABLE_SHARED_HANDLES)
2051 fi
2052
2053 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2054
2055 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2056 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2057
2058 AC_MSG_CHECKING([if big-arrays are to be enabled])
2059 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2060 if test "x$enable_big_arrays" = "xyes" ; then
2061     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2062         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2063     else
2064         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2065     fi
2066 fi
2067 AC_MSG_RESULT($enable_big_arrays)
2068
2069 dnl **************
2070 dnl *** DTRACE ***
2071 dnl **************
2072
2073 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2074
2075 if test "x$enable_dtrace" = "xyes"; then
2076    if test "x$has_dtrace" = "xno"; then
2077           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2078    fi
2079    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2080    if test "x$DTRACE" = "xno"; then
2081           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2082           enable_dtrace=no
2083    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2084           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2085           enable_dtrace=no
2086    fi
2087 fi
2088
2089 dtrace_g=no
2090 if test "x$enable_dtrace" = "xyes"; then
2091         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2092         DTRACEFLAGS=
2093         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2094                 case "$host" in
2095                         powerpc-*-darwin*)
2096                         DTRACEFLAGS="-arch ppc64"
2097                         ;;
2098                         i*86-*-darwin*)
2099                         DTRACEFLAGS="-arch x86_64"
2100                         ;;
2101                         *)
2102                         DTRACEFLAGS=-64
2103                         ;;
2104                 esac
2105         else
2106                 case "$host" in
2107                         powerpc-*-darwin*)
2108                         DTRACEFLAGS="-arch ppc"
2109                         ;;
2110                         i*86-*-darwin*)
2111                         DTRACEFLAGS="-arch i386"
2112                         ;;
2113                         *)
2114                         DTRACEFLAGS=-32
2115                         ;;
2116                 esac
2117         fi
2118         AC_SUBST(DTRACEFLAGS)
2119         case "$host" in
2120                 *-*-solaris*)
2121                 dtrace_g=yes
2122                 ;;
2123         esac
2124         AC_CHECK_HEADERS([sys/sdt.h])
2125 fi
2126 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2127 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2128
2129 dnl **************
2130 dnl ***  NaCl  ***
2131 dnl **************
2132
2133 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2134 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2135
2136 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2137 if test "x$enable_nacl_codegen" = "xyes"; then
2138    MONO_NACL_ALIGN_MASK_OFF=1
2139    CPPFLAGS="$CPPFLAGS -D__native_client_codegen__"
2140    AC_DEFINE(TARGET_NACL, 1, [...])
2141 else
2142    MONO_NACL_ALIGN_MASK_OFF=0
2143    CPPFLAGS="$CPPFLAGS -D__default_codegen__"
2144 fi
2145 if test "x$enable_nacl_gc" = "xyes"; then
2146    CPPFLAGS="$CPPFLAGS -finstrument-for-thread-suspension -D__native_client_gc__"
2147 fi
2148 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2149
2150 dnl **************
2151 dnl ***  LLVM  ***
2152 dnl **************
2153
2154 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2155 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2156
2157 if test "x$enable_llvm" = "xyes"; then
2158    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2159    if test "x$LLVM_CONFIG" = "xno"; then
2160           AC_MSG_ERROR([llvm-config not found.])
2161    fi
2162
2163    # The output of --cflags seems to include optimizations flags too
2164    LLVM_CFLAGS=`$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'`
2165    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2166    # from LLVM classes.
2167    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2168    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2169    LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit x86codegen`
2170    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2171
2172    # Should be something like '2.6' or '2.7svn'
2173    llvm_version=`$LLVM_CONFIG --version`
2174    major_version=`echo $llvm_version | cut -c 1`
2175    minor_version=`echo $llvm_version | cut -c 3`
2176    AC_MSG_CHECKING(LLVM version)
2177    AC_MSG_RESULT($llvm_version)
2178    if echo $llvm_version | grep -q 'mono'; then
2179           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2180           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"       
2181    else
2182           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.])
2183    fi
2184
2185    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2186    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2187    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2188
2189    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2190    # llvm's config.h
2191    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2192
2193    AC_SUBST(LLVM_CFLAGS)
2194    AC_SUBST(LLVM_CXXFLAGS)
2195    AC_SUBST(LLVM_LIBS)
2196    AC_SUBST(LLVM_LDFLAGS)
2197    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2198 fi
2199
2200 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2201 if test "x$enable_loadedllvm" = "xyes"; then
2202    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2203 fi
2204 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2205
2206 TARGET="unknown"
2207 ACCESS_UNALIGNED="yes"
2208
2209 JIT_SUPPORTED=no
2210 INTERP_SUPPORTED=no
2211 LIBC="libc.so.6"
2212 INTL="libc.so.6"
2213 SQLITE="libsqlite.so.0"
2214 SQLITE3="libsqlite3.so.0"
2215 X11="libX11.so"
2216
2217 sizeof_register="SIZEOF_VOID_P"
2218
2219 jit_wanted=true
2220 interp_wanted=false
2221 sgen_supported=false
2222 case "$host" in
2223 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
2224 #               TARGET=MIPS;
2225 #               ACCESS_UNALIGNED="no"
2226 #               ;;
2227         mips*)
2228                 TARGET=MIPS;
2229                 arch_target=mips;
2230                 sgen_supported=true
2231                 ACCESS_UNALIGNED="no"
2232                 JIT_SUPPORTED=yes
2233
2234                 AC_MSG_CHECKING(for mips n32)
2235                 AC_TRY_COMPILE([],[
2236                 #if _MIPS_SIM != _ABIN32
2237                 #error Not mips n32
2238                 #endif
2239                 return 0;
2240                 ],[
2241                 AC_MSG_RESULT(yes)
2242                 sizeof_register=8
2243                 ],[
2244                 AC_MSG_RESULT(no)
2245                 ])
2246                 ;;
2247         i*86-*-*)
2248                 TARGET=X86;
2249                 arch_target=x86;
2250                 JIT_SUPPORTED=yes
2251                 case $host_os in
2252                   solaris*)
2253                         LIBC="libc.so"
2254                         INTL="libintl.so"
2255                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2256                                 TARGET=AMD64
2257                                 arch_target=amd64
2258                         fi
2259
2260                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2261                         # int astruct __attribute__ ((visibility ("hidden")));
2262                         # void foo ()
2263                         # {
2264                         #       void *p = &astruct;
2265                         # }
2266                         # gcc -fPIC --shared -o libfoo.so foo.c
2267                         # yields:
2268                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2269                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2270                         have_visibility_hidden=no
2271                         sgen_supported=true
2272                         ;;
2273                   cygwin*)
2274                         sgen_supported=true
2275                         have_visibility_hidden=no                 
2276                         ;;
2277                   haiku*)
2278                         LIBC=libroot.so
2279                         ;;
2280                   linux*)
2281                         sgen_supported=true
2282                         AOT_SUPPORTED="yes"
2283                         ;;
2284                   darwin*)
2285                         sgen_supported=true
2286                         AOT_SUPPORTED="yes"
2287                         ;;
2288                   darwin*|openbsd*|freebsd*)
2289                         sgen_supported=true
2290                         ;;
2291                 esac
2292                 ;;
2293         x86_64-*-* | amd64-*-*)
2294                 TARGET=AMD64;
2295                 arch_target=amd64;
2296                 JIT_SUPPORTED=yes
2297                 case $host_os in
2298                   linux*)
2299                         sgen_supported=true
2300                         AOT_SUPPORTED="yes"
2301                         ;;
2302                   darwin*|openbsd*|freebsd*)
2303                         sgen_supported=true
2304                         ;;
2305                 esac
2306                 case "$host" in
2307                         x86_64-*-nacl*)
2308                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2309                                 sizeof_register=8
2310                                 ;;
2311                 esac
2312                 ;;
2313         ia64-*-*)
2314                 TARGET=IA64
2315                 arch_target=ia64
2316                 ACCESS_UNALIGNED="no"
2317                 JIT_SUPPORTED=yes
2318                 LIBC="libc.so.6.1"
2319                 INTL="libc.so.6.1"
2320                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2321                 libmono_ldflags="-lunwind"
2322                 ;;
2323         sparc*-*-*)
2324                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2325                    TARGET=SPARC64
2326                 else
2327                         TARGET=SPARC
2328                 fi
2329                 arch_target=sparc;
2330                 JIT_SUPPORTED=yes
2331                 ACCESS_UNALIGNED="no"
2332                 case $host_os in
2333                   linux*) ;;
2334                   *)
2335                         LIBC="libc.so"
2336                         INTL="libintl.so"
2337                 esac
2338                 if test x"$GCC" = xyes; then
2339                         # We don't support v8 cpus
2340                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2341                 fi
2342                 if test x"$AR" = xfalse; then
2343                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2344                 fi
2345                 sgen_supported=true
2346                 ;;
2347        alpha*-*-linux* | alpha*-*-osf*)
2348                 TARGET=ALPHA;
2349                 ACCESS_UNALIGNED="no"
2350                 JIT_SUPPORTED=yes
2351                 arch_target=alpha;
2352                 CFLAGS="$CFLAGS -mieee -O0"
2353                 case $host_os in
2354                   linux*)
2355                         LIBC="libc.so.6.1"
2356                         INTL="libc.so.6.1"
2357                 esac
2358                ;;
2359         *-mingw*|*-*-cygwin*)
2360                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2361                 have_visibility_hidden=no
2362                 INTL="intl"
2363                 ;;
2364         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
2365                 TARGET=HPPA;
2366                 arch_target=hppa; 
2367                 LIBC="libc.sl"
2368                 ACCESS_UNALIGNED="no"
2369                 INTERP_SUPPORTED=yes
2370                 interp_wanted=true
2371                 ;;
2372         hppa*linux*)
2373                 TARGET=HPPA;
2374                 arch_target=hppa; 
2375                 ACCESS_UNALIGNED="no"
2376                 JIT_SUPPORTED=yes
2377                 ;;
2378         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2379         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2380                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2381                         TARGET=POWERPC64;
2382                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2383                         CFLAGS="$CFLAGS -mminimal-toc"
2384                 else
2385                         TARGET=POWERPC;
2386                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2387                 fi
2388                 arch_target=ppc;
2389                 JIT_SUPPORTED=yes
2390                 case $host_os in
2391                   linux*|darwin*)
2392                         sgen_supported=true
2393                         ;;
2394                 esac
2395                 ;;
2396         arm*-darwin*)
2397                 TARGET=ARM;
2398                 arch_target=arm;
2399                 ACCESS_UNALIGNED="no"
2400                 JIT_SUPPORTED=yes
2401                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2402                 # libgc's gc_locks.h depends on this
2403             NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2404                 sgen_supported=true
2405                 ;;
2406         arm*-linux*)
2407                 TARGET=ARM;
2408                 arch_target=arm;
2409                 ACCESS_UNALIGNED="no"
2410                 JIT_SUPPORTED=yes
2411                 sgen_supported=true
2412                 AOT_SUPPORTED="yes"
2413                 ;;
2414         s390-*-linux*)
2415                 TARGET=S390;
2416                 arch_target=s390;
2417                 ACCESS_UNALIGNED="yes"
2418                 JIT_SUPPORTED=yes
2419                 sgen_supported=true
2420                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
2421                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2422                 ;;
2423         s390x-*-linux*)
2424                 TARGET=S390x;
2425                 arch_target=s390x;
2426                 ACCESS_UNALIGNED="yes"
2427                 JIT_SUPPORTED=yes
2428                 sgen_supported=true
2429                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2430                 ;;
2431 esac
2432
2433 if test "x$host" != "x$target"; then
2434    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2435    enable_mcs_build=no
2436    case "$target" in
2437    powerpc64-ps3-linux-gnu)
2438                 TARGET=POWERPC64
2439                 arch_target=powerpc64
2440                 AC_DEFINE(TARGET_PS3, 1, [...])
2441                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2442                 # uses this define
2443                 AC_DEFINE(__mono_ppc64__, 1, [...])
2444                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2445                 sizeof_register=8
2446                 target_byte_order=G_BIG_ENDIAN
2447                 ;;
2448
2449    powerpc64-xbox360-linux-gnu)
2450                 TARGET=POWERPC64
2451                 arch_target=powerpc64
2452                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2453                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2454                 # uses this define
2455                 sizeof_register=8
2456                 target_byte_order=G_BIG_ENDIAN
2457                 ;;
2458    x86_64-*-nacl)
2459                 TARGET=AMD64
2460                 arch_target=amd64
2461                 AC_DEFINE(TARGET_AMD64, 1, [...])
2462                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2463                 sizeof_register=8
2464                 ;;
2465    *-*-nacl)
2466                 TARGET=X86
2467                 arch_target=x86
2468                 AC_DEFINE(TARGET_X86, 1, [...])
2469                 sizeof_register=4
2470                 ;;
2471    armv7l-unknown-linux-gnueabi*)
2472                 # TEGRA
2473                 TARGET=ARM;
2474                 arch_target=arm;
2475                 AC_DEFINE(TARGET_ARM, 1, [...])
2476                 ACCESS_UNALIGNED="no"
2477                 JIT_SUPPORTED=yes
2478                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__"
2479                 jit_wanted=true
2480                 # Can't use tls, since it depends on the runtime detection of tls offsets
2481                 # in mono-compiler.h
2482                 with_tls=pthread
2483                 ;;
2484    armv5tel-unknown-linux-gnueabi*)
2485                 TARGET=ARM;
2486                 arch_target=arm;
2487                 AC_DEFINE(TARGET_ARM, 1, [...])
2488                 ACCESS_UNALIGNED="no"
2489                 JIT_SUPPORTED=yes
2490                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2491                 jit_wanted=true
2492                 # Can't use tls, since it depends on the runtime detection of tls offsets
2493                 # in mono-compiler.h
2494                 with_tls=pthread
2495                 ;;
2496    armv5-*-linux-androideabi*)
2497                 TARGET=ARM;
2498                 arch_target=arm;
2499                 AC_DEFINE(TARGET_ARM, 1, [...])
2500                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2501                 ACCESS_UNALIGNED="no"
2502                 JIT_SUPPORTED=yes
2503                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__ -DARM_FPU_NONE=1"
2504                 jit_wanted=true
2505                 # Can't use tls, since it depends on the runtime detection of tls offset
2506                 # in mono-compiler.h
2507                 with_tls=pthread
2508                 ;;
2509         *)
2510                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2511         esac
2512 fi
2513
2514 # FIXME: Define the others as well
2515 case "$TARGET" in
2516 X86)
2517         AC_DEFINE(TARGET_X86, 1, [...])
2518         ;;
2519 AMD64)
2520         AC_DEFINE(TARGET_AMD64, 1, [...])
2521         ;;
2522 ARM)
2523         AC_DEFINE(TARGET_ARM, 1, [...])
2524         ;;
2525 POWERPC)
2526         AC_DEFINE(TARGET_POWERPC, 1, [...])
2527         ;;
2528 POWERPC64)
2529         AC_DEFINE(TARGET_POWERPC, 1, [...])
2530         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2531         ;;
2532 S390x)
2533         AC_DEFINE(TARGET_S390X, 1, [...])
2534         ;;
2535 MIPS)
2536         AC_DEFINE(TARGET_MIPS, 1, [...])
2537         ;;
2538 esac
2539
2540 if test "x$sizeof_register" = "x4"; then
2541    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2542 elif test "x$sizeof_register" = "x8"; then
2543    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2544 else
2545    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2546 fi
2547
2548 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2549    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2550 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2551    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2552 else
2553    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2554 fi
2555
2556 if test "x$have_visibility_hidden" = "xyes"; then
2557    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2558 fi
2559
2560 if test "x$have_deprecated" = "xyes"; then
2561    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2562 fi
2563
2564 dnl 
2565 dnl Simple Generational checks (sgen)
2566 dnl
2567 if $sgen_supported; then
2568    build_sgen_default=yes
2569 else
2570    build_sgen_default=no
2571 fi
2572 SGEN_DEFINES=
2573 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2574 if test x$buildsgen = xyes; then
2575    if $sgen_supported; then
2576        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR -DHAVE_WRITE_BARRIERS"
2577        gc_msg="sgen and $gc_msg"
2578    else
2579        buildsgen=no
2580        AC_MSG_WARN("Sgen is not supported on this platform")
2581    fi
2582 fi
2583 AC_SUBST(SGEN_DEFINES)
2584 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2585
2586 USEJIT=false
2587 if test x$JIT_SUPPORTED = xyes; then
2588    if $jit_wanted; then
2589       USEJIT=true
2590       jit_status="Building and using the JIT"
2591    else
2592       if $interp_wanted; then
2593          jit_status="Building the JIT, defaulting to the interpreter"
2594       else
2595          AC_ERROR(No JIT or interpreter support available or selected.)
2596       fi
2597    fi
2598 else
2599    if test x$interp_wanted = xtrue; then
2600       jit_status="interpreter"
2601    else
2602       AC_ERROR(No JIT or interpreter support available or selected.)
2603    fi
2604 fi
2605
2606 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2607
2608 libsuffix=".so"
2609
2610 case "$host" in
2611      *-*-darwin*)
2612         libsuffix=".dylib"
2613         LIBC="libc.dylib"
2614         INTL="libintl.dylib"
2615         SQLITE="libsqlite.0.dylib"
2616         SQLITE3="libsqlite3.0.dylib"
2617         X11="libX11.dylib"
2618         ;;
2619      *-*-*netbsd*)
2620         LIBC="libc.so.12"
2621         INTL="libintl.so.0"
2622         ;;
2623     *-*-*freebsd*)
2624         LIBC="libc.so"
2625         INTL="libintl.so"
2626         SQLITE="libsqlite.so"
2627         SQLITE3="libsqlite3.so"
2628         ;;
2629     *-*-*openbsd*)
2630         LIBC="libc.so"
2631         INTL="libintl.so"
2632         SQLITE="libsqlite.so"
2633         SQLITE3="libsqlite3.so"
2634         ;;
2635     *-*-*linux*)
2636         AC_PATH_X
2637         AC_MSG_CHECKING(for the soname of libX11.so)
2638         for i in $x_libraries /usr/lib /usr/lib64; do
2639                 for r in 4 5 6; do
2640                         if test -f $i/libX11.so.$r; then
2641                                 X11=libX11.so.$r
2642                                 AC_MSG_RESULT($X11)
2643                         fi
2644                 done
2645         done
2646         
2647         if test "x$X11" = "xlibX11.so"; then
2648                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2649                 X11=libX11.so.6
2650         fi
2651         ;;
2652 esac
2653
2654
2655 AC_SUBST(libsuffix)
2656
2657 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2658         if test "x$with_tls" = "x__thread"; then
2659                 #
2660                 # On some linux distributions, TLS works in executables, but linking 
2661                 # against a shared library containing TLS fails with:
2662                 # undefined reference to `__tls_get_addr'
2663                 #
2664                 rm -f conftest.c conftest.so conftest
2665                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
2666                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2667                 $CC -o conftest conftest.so > /dev/null 2>&1
2668                 if test ! -f conftest; then
2669                    AC_MSG_WARN([Disabling usage of __thread.]);
2670                    with_tls=pthread
2671                 fi
2672                 rm -f conftest.c conftest.so conftest
2673         fi
2674 fi
2675
2676 mono_debugger_supported=no
2677 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
2678 if test "x$try_mono_debugger" = "xyes"; then
2679         if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA" -o "x$TARGET" = "xS390x"; then
2680                 if test x$use_included_gc = xyes; then
2681                         case "$host" in
2682                         *-*-*linux*)
2683                                 mono_debugger_supported=yes
2684                                 ;;
2685                         *86-apple-darwin*)
2686                                 mono_debugger_supported=yes
2687                                 ;;              
2688                         esac
2689                 fi
2690         fi
2691 fi
2692
2693 # disable the debugger entirely when building with moonlight
2694 if test "x$with_moonlight" != "xno"; then
2695         mono_debugger_supported=no
2696 fi
2697
2698 # mdb support for sgen is broken, disable it until further notice.
2699 mono_debugger_supported=no
2700
2701 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2702 if test "x$mono_debugger_supported" = "xyes"; then
2703         BOEHM_DEFINES="$BOEHM_DEFINES -DMONO_DEBUGGER_SUPPORTED"
2704         NESTED_LIBGC_FLAGS="-DMONO_DEBUGGER_SUPPORTED"
2705 fi
2706 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2707 AC_MSG_RESULT($mono_debugger_supported)
2708
2709 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
2710 if test "x$icall_symbol_map" = "xyes"; then
2711    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
2712 fi
2713
2714 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
2715 if test "x$icall_export" = "xyes"; then
2716    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
2717 fi
2718
2719 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
2720 if test "x$icall_tables" = "xno"; then
2721    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
2722 fi
2723
2724 if test "x$with_tls" = "x__thread"; then
2725         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2726         # Pass the information to libgc
2727         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2728         AC_MSG_CHECKING(if the tls_model attribute is supported)
2729         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2730                 ], [
2731                         AC_MSG_RESULT(yes)
2732                         # CLANG doesn't support this yet, and it prints warnings about it
2733                         if test "x$mono_cv_clang" = "xno"; then
2734                                 AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
2735                         fi
2736                 ], [
2737                         AC_MSG_RESULT(no)
2738         ])
2739 fi
2740
2741 if test ${TARGET} = ARM && test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2742         dnl ******************************************
2743         dnl *** Check to see what FPU is available ***
2744         dnl ******************************************
2745         AC_MSG_CHECKING(which FPU to use)
2746
2747         fpu=NONE
2748         if gcc -v 2>&1 | grep -q -- '--with-float=hard'; then
2749            fpu=VFP_HARD
2750         fi
2751
2752         if test x$fpu = xNONE; then
2753            ORIG_CFLAGS=$CFLAGS
2754            CFLAGS="$CFLAGS -mfpu=vfp -mfloat-abi=softfp"
2755            AC_TRY_RUN([
2756                                 int main () { __asm__ ("faddd   d7, d6, d7"); return 0; }
2757                                 ], fpu=VFP, fpu=NONE)
2758            CFLAGS=$ORIG_CFLAGS
2759         fi
2760
2761         if test x$fpu = xNONE; then
2762                 AC_TRY_COMPILE([], [
2763                         __asm__ ("ldfd f0, [r0]");
2764                         ], fpu=FPA, fpu=NONE)
2765         fi
2766
2767         AC_MSG_RESULT($fpu)
2768         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
2769         unset fpu
2770
2771         AC_MSG_CHECKING(for ARMV6)
2772         AC_TRY_RUN([
2773                 int main () { __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : "memory"); return 0; }
2774                         ], armv6=yes, armv6=no)
2775
2776         AC_MSG_RESULT($armv6)
2777         if test ${armv6} = yes; then
2778            AC_DEFINE(HAVE_ARMV6, 1, "Host supports ARMV6 instructions")
2779            # libgc's gc_locks.h depends on this
2780            NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2781         fi
2782 fi
2783
2784 if test ${TARGET} = unknown; then
2785         CPPFLAGS="$CPPFLAGS -DNO_PORT"
2786         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
2787 fi
2788
2789 if test ${ACCESS_UNALIGNED} = no; then
2790         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
2791 fi
2792
2793 case "x$gc" in
2794         xincluded)
2795                 # Pass CPPFLAGS to libgc configure
2796                 # We should use a separate variable for this to avoid passing useless and
2797                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
2798                 # This should be executed late so we pick up the final version of CPPFLAGS
2799                 # The problem with this approach, is that during a reconfigure, the main
2800                 # configure scripts gets invoked with these arguments, so we use separate
2801                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
2802                 TMP_CPPFLAGS="$CPPFLAGS $NESTED_LIBGC_FLAGS"
2803                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
2804                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
2805                 fi
2806                 # Don't pass -finstrument-for-thread-suspension in, 
2807                 # if these are instrumented it will be very bad news 
2808                 # (infinite recursion, undefined parking behavior, etc)
2809                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
2810                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
2811                 AC_CONFIG_SUBDIRS(libgc)
2812                 ;;
2813 esac
2814
2815 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
2816 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
2817 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
2818 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
2819 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no         If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
2820 AC_ARG_WITH(mobile,    [  --with-mobile=yes,no            If you want to build the Mobile assemblies (defaults to no)],        [], [with_mobile=no])
2821
2822 OPROFILE=no
2823 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
2824         if test x$with_oprofile != xno; then
2825             oprofile_include=$with_oprofile/include
2826             if test ! -f $oprofile_include/opagent.h; then
2827                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
2828                 fi
2829             OPROFILE=yes
2830                 OPROFILE_CFLAGS="-I$oprofile_include"
2831             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
2832             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
2833         fi
2834 ])
2835
2836 MALLOC_MEMPOOLS=no
2837 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
2838         if test x$with_malloc_mempools = xyes; then
2839                 MALLOC_MEMPOOLS=yes
2840                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
2841         fi
2842 ])
2843
2844
2845 DISABLE_MCS_DOCS=no
2846 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
2847         if test x$with_mcs_docs != xyes; then
2848                 DISABLE_MCS_DOCS=yes
2849         fi
2850 ])
2851 if test x$with_profile4 != xyes; then
2852         DISABLE_MCS_DOCS=yes
2853 fi
2854
2855 MOONLIGHT_DEFINES=
2856 AC_ARG_WITH(moonlight, [  --with-moonlight=yes|no|only         If you want to build Mono for Moonlight (defaults to no)],[
2857         if test x$with_moonlight != xno; then
2858         MOONLIGHT_DEFINES="-DMOONLIGHT -DDISABLE_ASSEMBLY_REMAPPING "
2859         fi
2860 ], [with_moonlight=no])
2861 AC_SUBST(MOONLIGHT_DEFINES)
2862
2863 AC_ARG_WITH(moon_gc, [  --with-moon-gc=boehm,sgen               Select the gc to use with Moonlight (defaults to boehm)],[
2864         if test "x$with_moon_gc" != "xsgen"; then
2865                 with_moon_gc=boehm
2866         fi
2867 ], [with_moon_gc=boehm])
2868
2869 AC_CHECK_HEADER([malloc.h], 
2870                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
2871                         [Define to 1 if you have /usr/include/malloc.h.])],,)
2872
2873 if test x"$GCC" = xyes; then
2874         # Implicit function declarations are not 64 bit safe
2875         # Do this late, since this causes lots of configure tests to fail
2876         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
2877         # jay has a lot of implicit declarations
2878         JAY_CFLAGS="-Wno-implicit-function-declaration"
2879 fi
2880
2881 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
2882 # instead of libmono-static.a
2883 if test "x$enable_shared" = "xno"; then
2884    LIBMONO_LA=libmini-static.la
2885 else
2886    LIBMONO_LA=libmono-$API_VER.la
2887 fi
2888 AC_SUBST(LIBMONO_LA)
2889
2890 dnl
2891 dnl Consistency settings
2892 dnl
2893 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
2894    DISABLE_MCS_DOCS=yes
2895 fi
2896
2897 if test x$DISABLE_MCS_DOCS = xyes; then
2898    docs_dir=""
2899 else
2900    docs_dir=docs
2901 fi
2902 AC_SUBST(docs_dir)
2903
2904 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
2905 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
2906
2907 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
2908 AC_SUBST(OPROFILE_CFLAGS)
2909 AC_SUBST(OPROFILE_LIBS)
2910
2911 libmono_ldflags="$libmono_ldflags $LIBS"
2912
2913 AM_CONDITIONAL(MOONLIGHT, [test "x$with_moonlight" != "xno"])
2914 AM_CONDITIONAL(ONLY_MOONLIGHT, [test "x$with_moonlight" = "xonly"])
2915 AM_CONDITIONAL(MOONLIGHT_BOEHM, [test "x$with_moon_gc" = "xboehm"])
2916 AM_CONDITIONAL(MOONLIGHT_SGEN, [test "x$with_moon_gc" = "xsgen"])
2917
2918 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
2919 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
2920 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
2921 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" = xyes])
2922 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" = xyes])
2923 AM_CONDITIONAL(INSTALL_MOBILE, [test "x$with_mobile" = xyes])
2924
2925 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
2926 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
2927 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
2928 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
2929 AM_CONDITIONAL(X86, test x$TARGET = xX86)
2930 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
2931 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
2932 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
2933 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
2934 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
2935 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
2936 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
2937 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
2938 AM_CONDITIONAL(S390, test x$TARGET = xS390)
2939 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
2940 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
2941
2942 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
2943 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
2944 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
2945
2946 AC_SUBST(LIBC)
2947 AC_SUBST(INTL)
2948 AC_SUBST(SQLITE)
2949 AC_SUBST(SQLITE3)
2950 AC_SUBST(X11)
2951 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
2952 AC_SUBST(arch_target)
2953 AC_SUBST(CFLAGS)
2954 AC_SUBST(CPPFLAGS)
2955 AC_SUBST(LDFLAGS)
2956
2957 mono_build_root=`pwd`
2958 AC_SUBST(mono_build_root)
2959
2960 if test x$USEJIT = xtrue; then
2961   mono_runtime=mono/mini/mono
2962 else
2963   mono_runtime=mono/interpreter/mint
2964 fi
2965 AC_SUBST(mono_runtime)
2966
2967 mono_cfg_root=$mono_build_root/runtime
2968 if test x$host_win32 = xyes; then
2969   if test "x$cross_compiling" = "xno"; then
2970     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
2971   else
2972     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
2973   fi
2974 else
2975   mono_cfg_dir=$mono_cfg_root/etc
2976 fi
2977 AC_SUBST(mono_cfg_dir)
2978
2979 AC_CONFIG_FILES([po/mcs/Makefile.in])
2980
2981 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
2982 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
2983
2984 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
2985 [   depth=../../../..
2986     case $srcdir in
2987     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2988     .) reldir=$depth ;;
2989     *) reldir=$depth/$srcdir ;;
2990     esac
2991     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
2992     cd runtime/etc/mono/1.0
2993     rm -f machine.config
2994     $LN_S $reldir/data/net_1_1/machine.config machine.config
2995     cd $depth
2996 ],[LN_S='$LN_S'])
2997
2998 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
2999 [   depth=../../../..
3000     case $srcdir in
3001     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3002     .) reldir=$depth ;;
3003     *) reldir=$depth/$srcdir ;;
3004     esac
3005     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3006     cd runtime/etc/mono/2.0
3007     rm -f machine.config
3008     $LN_S $reldir/data/net_2_0/machine.config machine.config
3009     cd $depth
3010 ],[LN_S='$LN_S'])
3011
3012 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3013 [   depth=../../../..
3014     case $srcdir in
3015     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3016     .) reldir=$depth ;;
3017     *) reldir=$depth/$srcdir ;;
3018     esac
3019     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3020     cd runtime/etc/mono/2.0
3021     rm -f web.config
3022     $LN_S $reldir/data/net_2_0/web.config web.config
3023     cd $depth
3024 ],[LN_S='$LN_S'])
3025
3026 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3027 [   depth=../../..
3028     case $srcdir in
3029     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3030     .) reldir=$depth ;;
3031     *) reldir=$depth/$srcdir ;;
3032     esac
3033     $ac_aux_dir/install-sh -d runtime/etc/mono/
3034     cd runtime/etc/mono/
3035     rm -f browscap.ini
3036     $LN_S $reldir/data/browscap.ini browscap.ini
3037     cd $depth
3038 ],[LN_S='$LN_S'])
3039
3040 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3041 [   depth=../../../../..
3042     case $srcdir in
3043     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3044     .) reldir=$depth ;;
3045     *) reldir=$depth/$srcdir ;;
3046     esac
3047     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3048     cd runtime/etc/mono/2.0/Browsers
3049     rm -f Compat.browser
3050     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
3051     cd $depth
3052 ],[LN_S='$LN_S'])
3053
3054 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3055 [   depth=../../../..
3056     case $srcdir in
3057     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3058     .) reldir=$depth ;;
3059     *) reldir=$depth/$srcdir ;;
3060     esac
3061     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3062     cd runtime/etc/mono/4.0
3063     rm -f machine.config
3064     $LN_S $reldir/data/net_4_0/machine.config machine.config
3065     cd $depth
3066 ],[LN_S='$LN_S'])
3067
3068 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3069 [   depth=../../../..
3070     case $srcdir in
3071     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3072     .) reldir=$depth ;;
3073     *) reldir=$depth/$srcdir ;;
3074     esac
3075     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3076     cd runtime/etc/mono/4.0
3077     rm -f web.config
3078     $LN_S $reldir/data/net_4_0/web.config web.config
3079     cd $depth
3080 ],[LN_S='$LN_S'])
3081
3082 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3083 [   depth=../../../..
3084     case $srcdir in
3085     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3086     .) reldir=$depth ;;
3087     *) reldir=$depth/$srcdir ;;
3088     esac
3089     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3090     cd runtime/etc/mono/4.5
3091     rm -f machine.config
3092     $LN_S $reldir/data/net_4_5/machine.config machine.config
3093     cd $depth
3094 ],[LN_S='$LN_S'])
3095
3096 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3097 [   depth=../../../..
3098     case $srcdir in
3099     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3100     .) reldir=$depth ;;
3101     *) reldir=$depth/$srcdir ;;
3102     esac
3103     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3104     cd runtime/etc/mono/4.5
3105     rm -f web.config
3106     $LN_S $reldir/data/net_4_5/web.config web.config
3107     cd $depth
3108 ],[LN_S='$LN_S'])
3109
3110 if test x$enable_quiet_build = xyes; then
3111    AC_CONFIG_COMMANDS([quiet],
3112 [  for i in `find mono libgc support -name Makefile`; do
3113            if [ grep -q 'generated by automake' $i ]; then
3114                   $srcdir/scripts/patch-quiet.sh $i;
3115            fi;
3116    done
3117 ], [shell=$SHELL])
3118    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])
3119 fi
3120
3121 AC_OUTPUT([
3122 Makefile
3123 mono-core.spec
3124 mono-uninstalled.pc
3125 scripts/mono-find-provides
3126 scripts/mono-find-requires
3127 mono/Makefile
3128 mono/utils/Makefile
3129 mono/metadata/Makefile
3130 mono/dis/Makefile
3131 mono/cil/Makefile
3132 mono/arch/Makefile
3133 mono/arch/x86/Makefile
3134 mono/arch/amd64/Makefile
3135 mono/arch/hppa/Makefile
3136 mono/arch/ppc/Makefile
3137 mono/arch/sparc/Makefile
3138 mono/arch/s390/Makefile
3139 mono/arch/s390x/Makefile
3140 mono/arch/arm/Makefile
3141 mono/arch/alpha/Makefile
3142 mono/arch/ia64/Makefile
3143 mono/arch/mips/Makefile
3144 mono/interpreter/Makefile
3145 mono/tests/Makefile
3146 mono/tests/tests-config
3147 mono/tests/assemblyresolve/Makefile
3148 mono/tests/cas/Makefile
3149 mono/tests/cas/assembly/Makefile
3150 mono/tests/cas/demand/Makefile
3151 mono/tests/cas/inheritance/Makefile
3152 mono/tests/cas/linkdemand/Makefile
3153 mono/tests/cas/threads/Makefile
3154 mono/benchmark/Makefile
3155 mono/monograph/Makefile
3156 mono/io-layer/Makefile
3157 mono/mini/Makefile
3158 mono/profiler/Makefile
3159 m4/Makefile
3160 ikvm-native/Makefile
3161 scripts/Makefile
3162 man/Makefile
3163 docs/Makefile
3164 data/Makefile
3165 data/net_2_0/Makefile
3166 data/net_4_0/Makefile
3167 data/net_4_5/Makefile
3168 data/net_2_0/Browsers/Makefile
3169 data/mint.pc
3170 data/mono-2.pc
3171 data/monosgen-2.pc
3172 data/mono.pc
3173 data/mono-cairo.pc
3174 data/mono-nunit.pc
3175 data/mono-options.pc
3176 data/mono-lineeditor.pc
3177 data/monodoc.pc
3178 data/mono.web.pc
3179 data/dotnet.pc
3180 data/dotnet35.pc
3181 data/wcf.pc
3182 data/cecil.pc
3183 data/system.web.extensions_1.0.pc
3184 data/system.web.extensions.design_1.0.pc
3185 data/system.web.mvc.pc
3186 data/system.web.mvc2.pc
3187 data/system.web.mvc3.pc
3188 data/aspnetwebstack.pc
3189 samples/Makefile
3190 support/Makefile
3191 data/config
3192 tools/Makefile
3193 tools/locale-builder/Makefile
3194 tools/sgen/Makefile
3195 runtime/Makefile
3196 msvc/Makefile
3197 po/Makefile
3198 ])
3199
3200 # Update all submodules recursively to ensure everything is checked out
3201 $srcdir/scripts/update_submodules
3202
3203 if test x$host_win32 = xyes; then
3204    # Get rid of 'cyg' prefixes in library names
3205    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3206    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3207    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3208    # executable doesn't work...
3209    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3210 fi
3211
3212 (
3213   case $prefix in
3214   NONE) prefix=$ac_default_prefix ;;
3215   esac
3216   case $exec_prefix in
3217   NONE) exec_prefix='${prefix}' ;;
3218   esac
3219
3220   #
3221   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3222   # any existing config.make.  This allows people to share the same source tree
3223   # with different build directories, one native and one cross
3224   #
3225   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3226
3227     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3228
3229     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3230     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3231     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3232     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3233     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3234     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3235     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3236     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3237
3238     case $INSTALL in
3239     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3240     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3241     esac
3242
3243     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3244
3245     export VERSION
3246     [myver=$($AWK 'BEGIN {
3247       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3248       if(length(vsplit [1]) > 4) {
3249         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3250       }
3251       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3252     }')]
3253
3254     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3255
3256     if test x$platform_darwin = xyes; then
3257       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3258     fi
3259
3260         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3261            enable_system_aot=yes
3262         fi
3263
3264         if test "x$enable_loadedllvm" = "xyes"; then
3265            # This seems to fail on the x86 buildbots
3266            enable_system_aot=no
3267         fi
3268
3269     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3270       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3271     fi
3272
3273     if test x$DISABLE_MCS_DOCS = xyes; then
3274       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3275     fi
3276
3277     if test x$with_moonlight != xno; then
3278       echo "MOONLIGHT = 1" >> $srcdir/$mcsdir/build/config.make
3279     fi
3280
3281         default_profile=net_2_0
3282     if test -z "$INSTALL_4_0_TRUE"; then :
3283                 default_profile=net_4_0
3284     fi
3285     if test -z "$INSTALL_MONODROID_TRUE"; then :
3286                 default_profile=monodroid
3287     fi
3288     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3289                 default_profile=monotouch
3290     fi
3291     if test -z "$INSTALL_4_5_TRUE"; then :
3292                 default_profile=net_4_5
3293     fi
3294     
3295     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3296     
3297     if test "x$test_bcl_opt" = "xyes"; then    
3298       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3299     fi
3300
3301   fi
3302
3303   # if we have an olive folder, override the default settings
3304   if test -d $olivedir; then
3305
3306     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3307
3308       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3309
3310       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3311       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3312       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3313       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3314       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3315       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3316     fi
3317   fi
3318
3319 )
3320
3321 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3322
3323 echo "
3324         mcs source:    $mcsdir
3325
3326    Engine:
3327         GC:            $gc_msg 
3328         TLS:           $with_tls
3329         SIGALTSTACK:   $with_sigaltstack
3330         Engine:        $jit_status
3331         oprofile:      $OPROFILE
3332         BigArrays:     $enable_big_arrays
3333         DTrace:        $enable_dtrace
3334         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3335
3336    Libraries:
3337         .NET 2.0/3.5:  $with_profile2
3338         .NET 4.0:      $with_profile4
3339         .NET 4.5:      $with_profile4_5
3340         MonoDroid:     $with_monodroid
3341         MonoTouch:     $with_monotouch
3342         Mobile:        $with_mobile
3343         JNI support:   $jdk_headers_found
3344         libgdiplus:    $libgdiplus_msg
3345         zlib:          $zlib_msg
3346         $disabled
3347 "
3348 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3349    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3350 fi