To make bug reports more useful
[mono.git] / configure.in
blob90565171f6034b06de3b99c8094f68f575aa824b
1 AC_INIT(README)
2 AC_CANONICAL_SYSTEM
4 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
5 # The extra brackets are to foil regex-based scans.
6 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
8 AM_CONFIG_HEADER(config.h)
9 AM_INIT_AUTOMAKE(mono,1.2)
10 AM_MAINTAINER_MODE
12 API_VER=1.0
13 AC_SUBST(API_VER)
15 AC_PROG_LN_S
17 # In case of cygwin, override LN_S, irrespective of what it determines.
18 # The build uses cygwin, but the actual runtime doesn't.
19 case $host_os in
20 *cygwin* ) LN_S='cp -p';;
21 esac
24 dnl
25 dnl libgc checks
26 dnl
28 gc_headers=no
29 gc=included
30 use_included_gc=no
31 libgc_configure_args=
33 if test -d $srcdir/libgc ; then
34   gc_default=included
35 else
36   gc_default=boehm
40 # These are the flags that need to be stored in the mono.pc file for 
41 # compiling code that will embed Mono
43 libmono_cflags=""
44 libmono_ldflags=""
45 AC_SUBST(libmono_cflags)
46 AC_SUBST(libmono_ldflags)
48 # Variable to have relocatable .pc files (lib, or lib64)
49 reloc_libdir=`basename ${libdir}`
50 AC_SUBST(reloc_libdir)
53 dnl if linker handles the version script
54 no_version_script=no
56 # Set to yes if Unix sockets cannot be created in an anonymous namespace
57 need_link_unlink=no
59 # Thread configuration inspired by sleepycat's db
60 AC_MSG_CHECKING([host platform characteristics])
61 libgc_threads=no
62 case "$host" in
63         *-*-mingw*|*-*-cygwin*)
64                 platform_win32=yes
65                 AC_DEFINE(PLATFORM_WIN32,1,[Platform is Win32])
66                 if test "x$cross_compiling" = "xno"; then
67                         CC="gcc -mno-cygwin -g"
68                         # So libgc configure gets -mno-cygwin
69                         export CC
70                 fi
71                 HOST_CC="gcc"
72                 CPPFLAGS="$CPPFLAGS -DWIN32_THREADS -DFD_SETSIZE=1024"
73                 libmono_cflags="-mno-cygwin"
74                 libmono_ldflags="-mno-cygwin"
75                 libdl=
76                 libgc_threads=win32
77                 gc_default=included
78                 with_sigaltstack=no
79                 LN_S=cp
80                 # This forces libgc to use the DllMain based thread registration code on win32
81                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
82                 ;;
83         *-*-*netbsd*)
84                 platform_win32=no
85                 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
86                 libmono_cflags="-D_REENTRANT"
87                 LDFLAGS="$LDFLAGS -pthread"
88                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
89                 libmono_ldflags="-pthread"
90                 need_link_unlink=yes
91                 libdl=
92                 libgc_threads=no
93                 ;;
94 # these flags will work for all versions of -STABLE
96         *-*-*freebsd4*)
97                 platform_win32=no
98                 if test "x$PTHREAD_CFLAGS" = "x"; then
99                         CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
100                         libmono_cflags="-D_THREAD_SAFE"
101                 else
102                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
103                         libmono_cflags="$PTHREAD_CFLAGS"
104                 fi
105                 if test "x$PTHREAD_LIBS" = "x"; then
106                         LDFLAGS="$LDFLAGS -pthread"
107                         libmono_ldflags="-pthread"
108                 else
109                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
110                         libmono_ldflags="$PTHREAD_LIBS"
111                 fi
112                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD4"
113                 need_link_unlink=yes
114                 AC_DEFINE(PTHREAD_POINTER_ID)
115                 libdl=
116                 libgc_threads=pthreads
117 # TLS isn't implemented at all on 4-STABLE
118                 with_tls=pthread
119                 ;;
120         *-*-*freebsd5*)
121                 platform_win32=no
122                 if test "x$PTHREAD_CFLAGS" = "x"; then
123                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
124                         libmono_cflags=
125                 else
126                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
127                         libmono_cflags="$PTHREAD_CFLAGS"
128                 fi
129                 if test "x$PTHREAD_LIBS" = "x"; then
130                         LDFLAGS="$LDFLAGS -pthread"
131                         libmono_ldflags="-pthread"
132                 else
133                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
134                         libmono_ldflags="$PTHREAD_LIBS"
135                 fi
136                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD5"
137                 need_link_unlink=yes
138                 AC_DEFINE(PTHREAD_POINTER_ID)
139                 libdl=
140                 with_sigaltstack=yes
141                 libgc_threads=pthreads
142 # TLS is only partially implemented on 5-STABLE (compiler support
143 # but NOT library support)
145                 with_tls=pthread
146                 ;;
147         *-*-*freebsd6*)
148                 platform_win32=no
149                 if test "x$PTHREAD_CFLAGS" = "x"; then
150                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
151                         libmono_cflags=
152                 else
153                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
154                         libmono_cflags="$PTHREAD_CFLAGS"
155                 fi
156                 if test "x$PTHREAD_LIBS" = "x"; then
157                         LDFLAGS="$LDFLAGS -pthread"
158                         libmono_ldflags="-pthread"
159                 else
160                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
161                         libmono_ldflags="$PTHREAD_LIBS"
162                 fi
163                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD6"
164                 need_link_unlink=yes
165                 AC_DEFINE(PTHREAD_POINTER_ID)
166                 libdl=
167                 libgc_threads=pthreads
168                 with_sigaltstack=yes
169 # TLS is only partially implemented on -CURRENT (compiler support
170 # but NOT library support)
172                 with_tls=pthread
173                 ;;
174         *-*-*openbsd*)
175                 platform_win32=no
176                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
177                 libmono_cflags="-D_THREAD_SAFE"
178                 LDFLAGS="$LDFLAGS -pthread"
179                 libmono_ldflags="-pthread"
180                 need_link_unlink=yes
181                 AC_DEFINE(PTHREAD_POINTER_ID)
182                 libdl=
183                 libgc_threads=pthreads
184                 ;;
185         *-*-linux*)
186                 platform_win32=no
187                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP"
188                 libmono_cflags="-D_REENTRANT"
189                 libmono_ldflags="-lpthread"
190                 libdl="-ldl"
191                 libgc_threads=pthreads
192                 ;;
193         *-*-hpux*)
194         platform_win32=no
195                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
196                 # +ESdbgasm only valid on bundled cc on RISC
197                 # silently ignored for ia64
198                 if test $GCC != "yes"; then
199                         CFLAGS="$CFLAGS +ESdbgasm"
200                         # Arrange for run-time dereferencing of null
201                         # pointers to produce a SIGSEGV signal.
202                         LDFLAGS="$LDFLAGS -z"
203                 fi
204                 CFLAGS="$CFLAGS +ESdbgasm"
205                 LDFLAGS="$LDFLAGS -z"
206                 libmono_cflags="-D_REENTRANT"
207                 libmono_ldflags="-lpthread"
208                 libgc_threads=pthreads
209                 need_link_unlink=yes
210                 ;;
211         *-*-solaris*)
212                 platform_win32=no
213                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP"
214                 need_link_unlink=yes
215                 libmono_cflags="-D_REENTRANT"
216                 libgc_threads=pthreads
217                 # This doesn't seem to work on solaris/x86, but the configure test runs
218                 with_tls=pthread
219                 ;;
220         *-*-darwin*)
221                 platform_win32=no
222                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
223                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess"
224                 libmono_cflags="-D_THREAD_SAFE"
225                 LDFLAGS="$LDFLAGS -pthread"
226                 libmono_ldflags="-pthread"
227                 need_link_unlink=yes
228                 AC_DEFINE(PTHREAD_POINTER_ID)
229                 AC_DEFINE(USE_MACH_SEMA)
230                 no_version_script=yes
231                 libdl=
232                 libgc_threads=pthreads
233                 ;;
234         *)
235                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
236                 platform_win32=no
237                 libdl="-ldl"
238                 ;;
239 esac
240 AC_MSG_RESULT(ok)
242 if test x$need_link_unlink = xyes; then
243    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
246 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
248 AC_CHECK_TOOL(CC, gcc, gcc)
249 AC_PROG_CC
250 AM_PROG_CC_STDC
251 AC_PROG_INSTALL
252 AC_PROG_AWK
253 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
254 : ${CCAS='$(CC)'}
255 # Set ASFLAGS if not already set.
256 : ${CCASFLAGS='$(CFLAGS)'}
257 AC_SUBST(CCAS)
258 AC_SUBST(CCASFLAGS)
260 AC_CHECK_PROG(BISON, bison,yes,no)
261 if test "x$BISON" = "xno";
262 then
263         AC_MSG_ERROR([You need to install bison])
266 dnl may require a specific autoconf version
267 dnl AC_PROG_CC_FOR_BUILD
268 dnl CC_FOR_BUILD not automatically detected
269 CC_FOR_BUILD=$CC
270 CFLAGS_FOR_BUILD=$CFLAGS
271 BUILD_EXEEXT=
272 if test "x$cross_compiling" = "xyes"; then
273         CC_FOR_BUILD=cc
274         CFLAGS_FOR_BUILD=
275         BUILD_EXEEXT=""
277 AC_SUBST(CC_FOR_BUILD)
278 AC_SUBST(CFLAGS_FOR_BUILD)
279 AC_SUBST(HOST_CC)
280 AC_SUBST(BUILD_EXEEXT)
282 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
284 # Set STDC_HEADERS
285 AC_HEADER_STDC
286 AC_LIBTOOL_WIN32_DLL
287 # This causes monodis to not link correctly
288 #AC_DISABLE_FAST_INSTALL
289 AM_PROG_LIBTOOL
291 # Test whenever ld supports -version-script
292 AC_PROG_LD
293 AC_PROG_LD_GNU
294 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
295    no_version_script=yes
298 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
300 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h)
302 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
304 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
306 # for mono/metadata/debug-symfile.c
307 AC_CHECK_HEADERS(elf.h)
309 # for support
310 AC_CHECK_HEADERS(poll.h)
311 AC_CHECK_HEADERS(sys/poll.h)
312 AC_CHECK_HEADERS(sys/wait.h)
313 AC_CHECK_HEADERS(grp.h)
314 AC_CHECK_HEADERS(syslog.h)
316 # for mono/dis
317 AC_CHECK_HEADERS(wchar.h)
318 case "$host" in
319         *-*-*freebsd6*)
320                 AC_CHECK_HEADERS(ieeefp.h)
321         ;;
322         *-*-*freebsd*)
323                 /* Only freebsd6 has a working ieeefp.h */
324         ;;
325         *)
326                 AC_CHECK_HEADERS(ieeefp.h)
327         ;;
328 esac
329 AC_MSG_CHECKING(for isinf)
330 AC_TRY_LINK([#include <math.h>], [
331         int f = isinf (1);
332 ], [
333         AC_MSG_RESULT(yes)
334         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
335 ], [
336         # We'll have to use signals
337         AC_MSG_RESULT(no)
341 # not 64 bit clean in cross-compile
342 AC_CHECK_SIZEOF(void *, 4)
344 WARN=''
345 if test x"$GCC" = xyes; then
346         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wcast-align -Wwrite-strings'
347                 # The runtime code does not respect ANSI C strict aliasing rules
348                 CFLAGS="$CFLAGS -fno-strict-aliasing"
350                 ORIG_CFLAGS=$CFLAGS
351                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
352                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
353                 AC_TRY_COMPILE([], [
354                                                    void main () { }
355                 ], [
356                    AC_MSG_RESULT(yes)
357                 ], [
358                    AC_MSG_RESULT(no)
359                    CFLAGS=$ORIG_CFLAGS
360                 ])
361 else
362         # The Sun Forte compiler complains about inline functions that access static variables
363         # so disable all inlining.
364         case "$host" in
365         *-*-solaris*)
366                 CFLAGS="$CFLAGS -Dinline="
367                 ;;
368         esac
370 CFLAGS="$CFLAGS -g $WARN"
372 # Where's the 'mcs' source tree?
373 if test -d $srcdir/mcs; then
374   mcsdir=mcs
375 else
376   mcsdir=../mcs
379 mcs_topdir='$(top_srcdir)/'$mcsdir
380 mcs_topdir_from_srcdir='$(top_builddir)/'$mcsdir
382 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
383 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
385 AC_SUBST([mcs_topdir])
386 AC_SUBST([mcs_topdir_from_srcdir])
388 AC_ARG_WITH([libgdiplus], 
389         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to NO)], 
390         [], [with_libgdiplus=installed])
392 case $with_libgdiplus in
393 no|installed) libgdiplus_loc= ;;
394 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
395 /*) libgdiplus_loc=$with_libgdiplus ;;
396 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
397 esac
398 AC_SUBST([libgdiplus_loc])
400 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
401 if test "x$PKG_CONFIG" = "xno"; then
402         AC_MSG_ERROR([You need to install pkg-config])
405 pkg_config_path=
406 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir],
407         if test x$with_crosspkgdir = "x"; then
408                 if test -s $PKG_CONFIG_PATH; then
409                         pkg_config_path=$PKG_CONFIG_PATH
410                 fi
411         else
412                 pkg_config_path=$with_crosspkgdir
413                 PKG_CONFIG_PATH=$pkg_config_path
414                 export PKG_CONFIG_PATH
415         fi
418 AC_ARG_WITH([glib],
419         [  --with-glib=embedded|system       Choose glib API: system or embedded (default to system)],
420         [], [with_glib=system])
422 case $with_glib in
423 embedded) 
424   GLIB_CFLAGS='-I$(top_srcdir)/eglib/src'
425   GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
426   BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
427   BUILD_GLIB_LIBS="$GLIB_LIBS"
428   AC_CONFIG_SUBDIRS(eglib)
429   ;;
430 system)
431   BUILD_GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
432   BUILD_GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
434   ## Versions of dependencies
435   GLIB_REQUIRED_VERSION=1.3.11
436   
437   PKG_CHECK_MODULES(BASE_DEPENDENCIES, glib-2.0 >= $GLIB_REQUIRED_VERSION)
438   
439   GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
440   GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
441   GMODULE_CFLAGS=`$PKG_CONFIG --cflags gmodule-2.0`
442   GMODULE_LIBS=`$PKG_CONFIG --libs gmodule-2.0`
443   ;;
445   AC_MSG_ERROR([Invalid argument to --with-glib.])
446 esac
447 AM_CONDITIONAL(EGLIB_BUILD, test x$with_glib = xembedded)
448   
449 AC_SUBST(GLIB_CFLAGS)
450 AC_SUBST(GLIB_LIBS)
451 AC_SUBST(GMODULE_CFLAGS)
452 AC_SUBST(GMODULE_LIBS)
453 AC_SUBST(BUILD_GLIB_CFLAGS)
454 AC_SUBST(BUILD_GLIB_LIBS)
456 if test x$cross_compiling$platform_win32 = xnoyes; then
457    AC_MSG_CHECKING(for cygwin glib2-dev package)
458    if [ cygcheck --f /usr/lib/libglib-2.0.dll.a | grep -q glib2-devel ]; then
459       AC_MSG_RESULT(found)
460           AC_MSG_ERROR([Mono cannot be built with the cygwin glib2-devel package installed, because that package doesn't work with -mno-cygwin. Please uninstall it then re-run configure.])
461    else
462       AC_MSG_RESULT(not found, ok)
463    fi
465    AC_MSG_CHECKING(for broken gwin32.h)
466    glib_include=`$PKG_CONFIG --cflags-only-I glib-2.0 | sed -e 's/ -I.*//g' | sed -e 's/-I//g'`
467    if test -f $glib_include/glib/gwin32.h; then
468           if [ grep ftruncate $glib_include/glib/gwin32.h | grep -q define ]; then
469                  AC_MSG_RESULT(failed)
470                  hashmark='#'
471                  AC_MSG_ERROR([Your version of gwin32.h is broken and will cause compilation errors when building mono. Please fix it by deleting the line: '$hashmark   define ftruncate...' from '$glib_include/glib/gwin32.h' then re-run configure.])
472           fi
473    fi
474    AC_MSG_RESULT(ok)
477 AC_ARG_WITH(gc, [  --with-gc=boehm,included,none],[gc=$with_gc],[gc=$gc_default])
479 # Enable support for fast thread-local storage
480 # Some systems have broken support, so we allow to disable it.
481 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread       select Thread Local Storage implementation],[],[with_tls=__thread])
483 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
484 # This does not work on some platforms (bug #55253)
485 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack],[],[with_sigaltstack=no])
487 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster)],[],[with_static_mono=yes])
489 if test "x$enable_static" = "xno"; then
490    with_static_mono=no
493 if test "x$platform_win32" = "xyes"; then
494    # Boehm GC requires the runtime to be in its own dll
495    with_static_mono=no
498 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
499 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
501 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no      Enable Xen-specific behaviour],[],[with_xen_opt=yes])
502 if test "x$with_xen_opt" = "xyes"; then
503         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
504         ORIG_CFLAGS=$CFLAGS
505         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
506         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
507         AC_TRY_COMPILE([], [
508                                            void main () { }
509         ], [
510            AC_MSG_RESULT(yes)
511         ], [
512            AC_MSG_RESULT(no)
513            CFLAGS=$ORIG_CFLAGS
514         ])
517 DISABLED_FEATURES=none
519 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
520   LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
521   reflection_emit, large_code, logging, com, ssa, generics.],
523         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
524                 eval "mono_feature_disable_$feature='yes'"
525                 AC_MSG_NOTICE([Disabled support for feature: $feature])
526         done
527         DISABLED_FEATURES=$enable_minimal
528         disabled="Disabled:    $enable_minimal"
529 ],[])
531 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
533 if test "x$mono_feature_disable_aot" = "xyes"; then
534         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT support])
537 if test "x$mono_feature_disable_profiler" = "xyes"; then
538         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
541 if test "x$mono_feature_disable_decimal" = "xyes"; then
542         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
545 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
546         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
549 if test "x$mono_feature_disable_debug" = "xyes"; then
550         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
553 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
554         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
557 if test "x$mono_feature_disable_large_code" = "xyes"; then
558         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
561 if test "x$mono_feature_disable_logging" = "xyes"; then
562         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
565 if test "x$mono_feature_disable_com" = "xyes"; then
566         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
569 if test "x$mono_feature_disable_ssa" = "xyes"; then
570         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
573 if test "x$mono_feature_disable_generics" = "xyes"; then
574         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
577 AC_MSG_CHECKING(for visibility __attribute__)
578 AC_TRY_COMPILE([], [
579    void __attribute__ ((visibility ("hidden"))) doit (void) {}
580    void main () { doit (); }
581 ], [
582    have_visibility_hidden=yes
583    AC_MSG_RESULT(yes)
584 ], [
585    have_visibility_hidden=no
586    AC_MSG_RESULT(no)
589 LIBGC_CFLAGS=
590 LIBGC_LIBS=
591 LIBGC_STATIC_LIBS=
592 libgc_dir=
593 case "x$gc" in
594         xboehm|xbohem|xyes)
595                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
596                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
598                 if test "x$found_boehm" != "xyes"; then
599                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
600                 fi
601                 if test "x$gc_headers" != "xyes"; then
602                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
603                 fi
605                 AC_DEFINE(HAVE_BOEHM_GC)
606                 AC_SUBST(HAVE_BOEHM_GC)
607                 LIBGC_LIBS="-lgc $libdl"
608                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
610                 # AC_CHECK_FUNCS does not work for some reason...
611                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
612                 if test "x$found_gcj_malloc" = "xyes"; then
613                         AC_DEFINE(HAVE_GC_GCJ_MALLOC)
614                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (with typed GC)", [GC description])
615                 else
616                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (no typed GC)", [GC description])
617                 fi
618                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
619                 if test "x$found_gc_enable" = "xyes"; then
620                         AC_DEFINE(HAVE_GC_ENABLE)
621                 fi
622                 ;;
624         xincluded)
625                 AC_CONFIG_SUBDIRS(libgc)
627                 # Pass CPPFLAGS to libgc configure
628                 # Maybe we should use a separate variable for this to avoid passing useless and
629                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
630                 export CPPFLAGS
632                 found_boehm=yes
633                 gc_headers=yes
634                 use_included_gc=yes
635                 libgc_dir=libgc
637                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
638                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
639                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
641                 AC_DEFINE(HAVE_BOEHM_GC)
642                 AC_SUBST(HAVE_BOEHM_GC)
644                 AC_DEFINE(HAVE_GC_H)
645                 AC_DEFINE(USE_INCLUDED_LIBGC)
647                 # The included libgc contains GCJ support
648                 AC_DEFINE(HAVE_GC_GCJ_MALLOC)
649                 AC_DEFINE(HAVE_GC_ENABLE)
650                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Included Boehm (with typed GC)", [GC description])
651                 ;;
653         xsgen)
654                 found_boehm=no
655                 gc_headers=no
656                 use_included_gc=no
657                 AC_DEFINE(HAVE_SGEN_GC,1,[Using the simple generational GC.])
658                 AC_DEFINE(HAVE_MOVING_COLLECTOR,1,[The GC can move objects.])
659                 AC_DEFINE(HAVE_WRITE_BARRIERS,1,[The GC needs write barriers.])
660                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Simple generational", [GC description])
661                 ;;
663         xnone)
664                 AC_MSG_WARN("Compiling mono without GC.")
665                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "none", [GC description])
666                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
667                 ;;
668         *)
669                 AC_MSG_ERROR([Invalid argument to --with-gc.])
670                 ;;
671 esac
673 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no    Enable support for GC heaps larger than 3GB], [large_heap=$withval], [large_heap=no])
674 if test "x$large_heap" = "xyes"; then
675    echo "FOO"
676    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
679 # tell libgc/configure about what we want
680 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args"
682 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
683 AC_SUBST(LIBGC_CFLAGS)
684 AC_SUBST(LIBGC_LIBS)
685 AC_SUBST(LIBGC_STATIC_LIBS)
686 AC_SUBST(libgc_dir)
689 dnl End of libgc checks
692 if test x$platform_win32 = xno; then
694         dnl dynamic loader support
695         AC_CHECK_FUNC(dlopen, DL_LIB="",
696                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
697         )
698         if test x$dl_support = xno; then
699                 AC_MSG_WARN([No dynamic loading support available])
700         else
701                 LIBS="$LIBS $DL_LIB"
702                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
703                 dnl from glib's configure.in
704                 AC_CACHE_CHECK([for preceeding underscore in symbols],
705                         mono_cv_uscore,[
706                         AC_TRY_RUN([#include <dlfcn.h>
707                         int mono_underscore_test (void) { return 42; }
708                         int main() {
709                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
710                           handle = dlopen ((void*)0, 0);
711                           if (handle) {
712                             f1 = dlsym (handle, "mono_underscore_test");
713                             f2 = dlsym (handle, "_mono_underscore_test");
714                           } return (!f2 || f1);
715                         }],
716                                 [mono_cv_uscore=yes],
717                                 [mono_cv_uscore=no],
718                         [])
719                 ])
720                 if test "x$mono_cv_uscore" = "xyes"; then
721                         MONO_DL_NEED_USCORE=1
722                 else
723                         MONO_DL_NEED_USCORE=0
724                 fi
725                 AC_SUBST(MONO_DL_NEED_USCORE)
726                 AC_CHECK_FUNC(dlerror)
727         fi
729         dnl ******************************************************************
730         dnl *** Checks for the IKVM JNI interface library                  ***
731         dnl ******************************************************************
732         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no  build the IKVM JNI interface library],[with_ikvm_native=$withval],[with_ikvm_native=yes])
734         ikvm_native_dir=
735         if test x$with_ikvm_native = xyes; then
736                 ikvm_native_dir=ikvm-native
737                 jdk_headers_found="IKVM Native"
738         fi
740         AC_SUBST(ikvm_native_dir)
742         AC_CHECK_HEADERS(execinfo.h)
744         AC_CHECK_FUNCS(getgrgid_r)
745         AC_CHECK_FUNCS(getgrnam_r)
746         AC_CHECK_FUNCS(getpwnam_r)
747         AC_CHECK_FUNCS(getpwuid_r)
748         AC_CHECK_FUNCS(getresuid)
749         AC_CHECK_FUNCS(setresuid)
750         AC_CHECK_FUNCS(kqueue)
751         AC_CHECK_FUNCS(backtrace_symbols)
752         AC_CHECK_FUNCS(mkstemp)
753         AC_CHECK_FUNCS(mmap)
754         AC_CHECK_FUNCS(madvise)
756         dnl ******************************************************************
757         dnl *** Check for large file support                               ***
758         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
759         dnl ******************************************************************
760         
761         # Check that off_t can represent 2**63 - 1 correctly, working around
762         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
763         # CPPFLAGS and sets $large_offt to yes if the test succeeds
764         large_offt=no
765         AC_DEFUN([LARGE_FILES], [
766                 large_CPPFLAGS=$CPPFLAGS
767                 CPPFLAGS="$CPPFLAGS $1"
768                 AC_TRY_RUN([
769                         #include <sys/types.h>
771                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
773                         int main(void) {
774                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
775                                                (BIG_OFF_T%2147483647==1));
776                                 if(big_off_t) {
777                                         exit(0);
778                                 } else {
779                                         exit(1);
780                                 }
781                         }
782                 ], [
783                         AC_MSG_RESULT(ok)
784                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT)
785                         large_CPPFLAGS="$large_CPPFLAGS $1"
786                         large_offt=yes
787                 ], [
788                         AC_MSG_RESULT(no)
789                 ], "")
790                 CPPFLAGS=$large_CPPFLAGS
791         ])
793         AC_MSG_CHECKING(if off_t is 64 bits wide)
794         LARGE_FILES("")
795         if test $large_offt = no; then
796                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
797                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
798         fi
799         if test $large_offt = no; then
800                 AC_MSG_WARN([No 64 bit file size support available])
801         fi
802         
803         dnl *****************************
804         dnl *** Checks for libsocket  ***
805         dnl *****************************
806         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
808         dnl *******************************
809         dnl *** Checks for MSG_NOSIGNAL ***
810         dnl *******************************
811         AC_MSG_CHECKING(for MSG_NOSIGNAL)
812         AC_TRY_COMPILE([#include <sys/socket.h>], [
813                 int f = MSG_NOSIGNAL;
814         ], [
815                 # Yes, we have it...
816                 AC_MSG_RESULT(yes)
817                 AC_DEFINE(HAVE_MSG_NOSIGNAL)
818         ], [
819                 # We'll have to use signals
820                 AC_MSG_RESULT(no)
821         ])
823         dnl *****************************
824         dnl *** Checks for SOL_IP     ***
825         dnl *****************************
826         AC_MSG_CHECKING(for SOL_IP)
827         AC_TRY_COMPILE([#include <netdb.h>], [
828                 int level = SOL_IP;
829         ], [
830                 # Yes, we have it...
831                 AC_MSG_RESULT(yes)
832                 AC_DEFINE(HAVE_SOL_IP)
833         ], [
834                 # We'll have to use getprotobyname
835                 AC_MSG_RESULT(no)
836         ])
838         dnl *****************************
839         dnl *** Checks for SOL_IPV6     ***
840         dnl *****************************
841         AC_MSG_CHECKING(for SOL_IPV6)
842         AC_TRY_COMPILE([#include <netdb.h>], [
843                 int level = SOL_IPV6;
844         ], [
845                 # Yes, we have it...
846                 AC_MSG_RESULT(yes)
847                 AC_DEFINE(HAVE_SOL_IPV6)
848         ], [
849                 # We'll have to use getprotobyname
850                 AC_MSG_RESULT(no)
851         ])
853         dnl *****************************
854         dnl *** Checks for SOL_TCP    ***
855         dnl *****************************
856         AC_MSG_CHECKING(for SOL_TCP)
857         AC_TRY_COMPILE([#include <netdb.h>], [
858                 int level = SOL_TCP;
859         ], [
860                 # Yes, we have it...
861                 AC_MSG_RESULT(yes)
862                 AC_DEFINE(HAVE_SOL_TCP)
863         ], [
864                 # We'll have to use getprotobyname
865                 AC_MSG_RESULT(no)
866         ])
868         dnl *****************************
869         dnl *** Checks for IP_PKTINFO ***
870         dnl *****************************
871         AC_MSG_CHECKING(for IP_PKTINFO)
872         AC_TRY_COMPILE([#include <netdb.h>], [
873                 int level = IP_PKTINFO;
874         ], [
875                 # Yes, we have it...
876                 AC_MSG_RESULT(yes)
877                 AC_DEFINE(HAVE_IP_PKTINFO)
878         ], [
879                 AC_MSG_RESULT(no)
880         ])
882         dnl *****************************
883     dnl *** Checks for IPV6_PKTINFO ***
884     dnl *****************************
885     AC_MSG_CHECKING(for IPV6_PKTINFO)
886     AC_TRY_COMPILE([#include <netdb.h>], [
887         int level = IPV6_PKTINFO;
888     ], [
889         # Yes, we have it...
890         AC_MSG_RESULT(yes)
891         AC_DEFINE(HAVE_IPV6_PKTINFO)
892     ], [
893         AC_MSG_RESULT(no)
894     ])
896         dnl *********************************
897         dnl *** Check for struct ip_mreqn ***
898         dnl *********************************
899         AC_MSG_CHECKING(for struct ip_mreqn)
900         AC_TRY_COMPILE([#include <netinet/in.h>], [
901                 struct ip_mreqn mreq;
902                 mreq.imr_address.s_addr = 0;
903         ], [
904                 # Yes, we have it...
905                 AC_MSG_RESULT(yes)
906                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
907         ], [
908                 # We'll just have to try and use struct ip_mreq
909                 AC_MSG_RESULT(no)
910                 AC_MSG_CHECKING(for struct ip_mreq)
911                 AC_TRY_COMPILE([#include <netinet/in.h>], [
912                         struct ip_mreq mreq;
913                         mreq.imr_interface.s_addr = 0;
914                 ], [
915                         # Yes, we have it...
916                         AC_MSG_RESULT(yes)
917                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
918                 ], [
919                         # No multicast support
920                         AC_MSG_RESULT(no)
921                 ])
922         ])
923         
924         dnl **********************************
925         dnl *** Check for gethostbyname2_r ***
926         dnl **********************************
927         AC_MSG_CHECKING(for gethostbyname2_r)
928                 AC_TRY_LINK([#include <netdb.h>], [
929                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
930         ], [
931                 # Yes, we have it...
932                 AC_MSG_RESULT(yes)
933                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R)
934         ], [
935                 AC_MSG_RESULT(no)
936         ])
938         dnl *****************************
939         dnl *** Checks for libnsl     ***
940         dnl *****************************
941         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
943         AC_CHECK_FUNCS(inet_pton inet_aton)
945         dnl ***********************************************
946         dnl *** Checks for size of sockaddr_un.sun_path ***
947         dnl ***********************************************
948         # AC_CHECK_SIZEOF can't cope with struct members :-(
949         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
950         AC_CACHE_VAL(cv_mono_sizeof_sunpath,
951                 [AC_TRY_RUN([
952                         #include <sys/types.h>
953                         #include <stdio.h>
954                         #include <sys/un.h>
956                         int main(void) {
957                                 struct sockaddr_un sock_un;
958                                 FILE *f=fopen("conftestval", "w");
959                                 if(!f) exit(1);
960                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
961                                 exit(0);
962                         }
963                 ], cv_mono_sizeof_sunpath=`cat conftestval`,
964                    cv_mono_sizeof_sunpath=0,
965                    cv_mono_sizeof_sunpath=0)])dnl
966         AC_MSG_RESULT($cv_mono_sizeof_sunpath)
967         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $cv_mono_sizeof_sunpath)
969         dnl *************************************
970         dnl *** Checks for zero length arrays ***
971         dnl *************************************
972         AC_MSG_CHECKING(whether $CC supports zero length arrays)
973         AC_TRY_COMPILE([
974                 struct s {
975                         int  length;
976                         char data [0];
977                 };
978         ], [], [
979                 AC_MSG_RESULT(yes)
980                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0)
981         ], [
982                 AC_MSG_RESULT(no)
983                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1)
984         ])
986         dnl *****************************
987         dnl *** Checks for libxnet    ***
988         dnl *****************************
989         case "${host}" in
990                 *solaris* )
991                         AC_MSG_CHECKING(for Solaris XPG4 support)
992                         if test -f /usr/lib/libxnet.so; then
993                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
994                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
995                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
996                                 LIBS="$LIBS -lxnet"
997                                 AC_MSG_RESULT(yes)
998                         else
999                                 AC_MSG_RESULT(no)
1000                         fi
1002                         if test "$GCC" = "yes"; then
1003                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1004                         fi
1005                 ;;
1006         esac
1008         dnl *****************************
1009         dnl *** Checks for libpthread ***
1010         dnl *****************************
1011 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1012 # and libpthread does not exist
1014         case "${host}" in
1015                 *-*-*freebsd4*)
1016                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1017                 ;;
1018                 *-*-*freebsd5*)
1019                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1020                 ;;
1021                 *-*-*freebsd6*)
1022                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1023                 ;;
1024                 *)
1025                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1026                 ;;
1027         esac
1028         AC_CHECK_HEADERS(pthread.h)
1029         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1030         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1031         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1032         AC_TRY_COMPILE([ #include <pthread.h>], [
1033                 pthread_mutexattr_t attr;
1034                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1035         ], [
1036                 AC_MSG_RESULT(ok)
1037         ], [
1038                 AC_MSG_RESULT(no)
1039                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1040                 AC_DEFINE(USE_MONO_MUTEX)
1041         ])
1042         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1043         AC_CHECK_FUNCS(pthread_attr_getstack)
1044         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1046         dnl ***********************************
1047         dnl *** Checks for working __thread ***
1048         dnl ***********************************
1049         AC_MSG_CHECKING(for working __thread)
1050         if test "x$with_tls" != "x__thread"; then
1051                 AC_MSG_RESULT(disabled)
1052         else
1053                 AC_TRY_RUN([
1054                         #include <pthread.h>
1055                         __thread int i;
1056                         static int res1, res2;
1058                         void thread_main (void *arg)
1059                         {
1060                                 i = arg;
1061                                 sleep (1);
1062                                 if (arg == 1)
1063                                         res1 = (i == arg);
1064                                 else
1065                                         res2 = (i == arg);
1066                         }
1068                         int main () {
1069                                 pthread_t t1, t2;
1071                                 i = 5;
1073                                 pthread_create (&t1, NULL, thread_main, 1);
1074                                 pthread_create (&t2, NULL, thread_main, 2);
1076                                 pthread_join (t1, NULL);
1077                                 pthread_join (t2, NULL);
1079                                 return !(res1 + res2 == 2);
1080                         }
1081                 ], [
1082                                 AC_MSG_RESULT(yes)
1083                 ], [
1084                                 AC_MSG_RESULT(no)
1085                                 with_tls=pthread
1086                 ])
1087         fi
1089         dnl **************************************
1090         dnl *** Checks for working sigaltstack ***
1091         dnl **************************************
1092         AC_MSG_CHECKING(for working sigaltstack)
1093         if test "x$with_sigaltstack" != "xyes"; then
1094                 AC_MSG_RESULT(disabled)
1095         else
1096                 AC_TRY_RUN([
1097                         #include <stdio.h>
1098                         #include <stdlib.h>
1099                         #include <unistd.h>
1100                         #include <signal.h>
1101                         #include <pthread.h>
1102                         #include <sys/wait.h>
1103                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1104                         #define SA_STACK SA_ONSTACK
1105                         #endif
1106                         static void
1107                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1108                         {
1109                                 exit (0);
1110                         }
1112                         static void *
1113                         loop (void *ignored)
1114                         {
1115                                 char *ptr = NULL;
1117                                 *ptr = 0;
1118                                 return NULL;
1119                         }
1121                         static void
1122                         child ()
1123                         {
1124                                 struct sigaction sa;
1125                                 struct sigaltstack sas;
1126                                 pthread_t id;
1127                                 pthread_attr_t attr;
1129                                 sa.sa_sigaction = sigsegv_signal_handler;
1130                                 sigemptyset (&sa.sa_mask);
1131                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1132                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1133                                         perror ("sigaction");
1134                                         return;
1135                                 }
1137                                 sas.ss_sp = malloc (SIGSTKSZ);
1138                                 sas.ss_size = SIGSTKSZ;
1139                                 sas.ss_flags = 0;
1140                                 if (sigaltstack (&sas, NULL) == -1) {
1141                                         perror ("sigaltstack");
1142                                         return;
1143                                 }
1145                                 pthread_attr_init (&attr);
1146                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1147                                         printf ("pthread_create\n");
1148                                         return;
1149                                 }
1151                                 sleep (100);
1152                         }
1154                         int
1155                         main ()
1156                         {
1157                                 pid_t son;
1158                                 int status;
1159                                 int i;
1161                                 son = fork ();
1162                                 if (son == -1) {
1163                                         return 1;
1164                                 }
1166                                 if (son == 0) {
1167                                         child ();
1168                                         return 0;
1169                                 }
1171                                 for (i = 0; i < 3; ++i) {
1172                                         sleep (1);
1173                                         waitpid (son, &status, WNOHANG);
1174                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1175                                                 return 0;
1176                                 }
1178                                 kill (son, SIGKILL);
1179                                 return 1;
1180                         }
1182                 ], [
1183                                 AC_MSG_RESULT(yes)
1184                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK)
1185                 ], [
1186                                 with_sigaltstack=no
1187                                 AC_MSG_RESULT(no)
1188                 ])
1189         fi
1191         dnl ********************************
1192         dnl *** Checks for semaphore lib ***
1193         dnl ********************************
1194         # 'Real Time' functions on Solaris
1195         # posix4 on Solaris 2.6
1196         # pthread (first!) on Linux
1197         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1199         dnl ********************************
1200         dnl *** Checks for timezone stuff **
1201         dnl ********************************
1202         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1203                 AC_TRY_COMPILE([
1204                         #include <time.h>
1205                         ], [
1206                         struct tm tm;
1207                         tm.tm_gmtoff = 1;
1208                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1209         if test $ac_cv_struct_tm_gmtoff = yes; then
1210                 AC_DEFINE(HAVE_TM_GMTOFF)
1211         else
1212                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1213                         AC_TRY_COMPILE([
1214                                 #include <time.h>
1215                         ], [
1216                                 timezone = 1;
1217                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1218                 if test $ac_cv_var_timezone = yes; then
1219                         AC_DEFINE(HAVE_TIMEZONE)
1220                 else
1221                         AC_ERROR(unable to find a way to determine timezone)
1222                 fi
1223         fi
1225         dnl *********************************
1226         dnl *** Checks for math functions ***
1227         dnl *********************************
1228         LIBS="$LIBS -lm";
1229         AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1230                 AC_TRY_LINK([#include <math.h>], 
1231                 [ finite(0.0); ], 
1232                 AC_DEFINE(HAVE_FINITE) AC_MSG_RESULT(yes),
1233                 AC_MSG_RESULT(no)))
1234         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1235                 AC_TRY_LINK([#include <math.h>], 
1236                 [ isfinite(0.0); ], 
1237                 AC_DEFINE(HAVE_ISFINITE) AC_MSG_RESULT(yes),
1238                 AC_MSG_RESULT(no)))
1240         dnl ****************************************************************
1241         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1242         dnl *** have it in the library (duh))                            ***
1243         dnl ****************************************************************
1244         AC_CHECK_FUNCS(poll)
1246         dnl *************************
1247         dnl *** Check for signbit ***
1248         dnl *************************
1249         AC_MSG_CHECKING(for signbit)
1250         AC_TRY_LINK([#include <math.h>], [
1251                 int s = signbit(1.0);
1252         ], [
1253                 AC_MSG_RESULT(yes)
1254                 AC_DEFINE(HAVE_SIGNBIT)
1255         ], [
1256                 AC_MSG_RESULT(no)
1257         ]) 
1259         dnl **********************************
1260         dnl *** epoll                      ***
1261         dnl **********************************
1262         AC_CHECK_HEADERS(sys/epoll.h)
1263         haveepoll=no
1264         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1265         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1266                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1267         fi
1269         dnl ******************************
1270         dnl *** Checks for SIOCGIFCONF ***
1271         dnl ******************************
1272         AC_CHECK_HEADERS(sys/ioctl.h)
1273         AC_CHECK_HEADERS(net/if.h)
1274         AC_MSG_CHECKING(for ifreq)
1275         AC_TRY_COMPILE([
1276                 #include <sys/ioctl.h>
1277                 #include <net/if.h>
1278                 ], [
1279                 struct ifconf ifc;
1280                 struct ifreq *ifr;
1281                 void *x;
1282                 ifc.ifc_len = 0;
1283                 ifc.ifc_buf = NULL;
1284                 x = (void *) &ifr->ifr_addr;
1285                 ],[
1286                         AC_MSG_RESULT(yes)
1287                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1288                 ], [
1289                         AC_MSG_RESULT(no)
1290                 ])
1291         dnl **********************************
1292         dnl *** Checks for MonoPosixHelper ***
1293         dnl **********************************
1294         AC_CHECK_HEADERS(checklist.h)
1295         AC_CHECK_HEADERS(fstab.h)
1296         AC_CHECK_HEADERS(attr/xattr.h)
1297         AC_CHECK_HEADERS(sys/extattr.h)
1298         AC_CHECK_HEADERS(sys/sendfile.h)
1299         AC_CHECK_HEADERS(sys/statvfs.h)
1300         AC_CHECK_HEADERS(sys/vfstab.h)
1301         AC_CHECK_HEADERS(sys/xattr.h)
1302         AC_CHECK_HEADERS(sys/mman.h)
1303         AC_CHECK_FUNCS(getdomainname)
1304         AC_CHECK_FUNCS(setdomainname)
1305         AC_CHECK_FUNCS(fgetgrent)
1306         AC_CHECK_FUNCS(fgetpwent)
1307         AC_CHECK_FUNCS(fgetpwent)
1308         AC_CHECK_FUNCS(getfsstat)
1309         AC_CHECK_FUNCS(lutimes)
1310         AC_CHECK_FUNCS(mremap)
1311         AC_CHECK_FUNCS(remap_file_pages)
1312         AC_CHECK_FUNCS(posix_fadvise)
1313         AC_CHECK_FUNCS(posix_fallocate)
1314         AC_CHECK_FUNCS(posix_madvise)
1315         AC_CHECK_FUNCS(vsnprintf)
1316         AC_CHECK_FUNCS(sendfile)
1317         AC_CHECK_FUNCS(sethostid)
1318         AC_CHECK_FUNCS(statfs)
1319         AC_CHECK_FUNCS(fstatfs)
1320         AC_CHECK_FUNCS(statvfs)
1321         AC_CHECK_FUNCS(fstatvfs)
1322         AC_CHECK_FUNCS(stime)
1323         AC_CHECK_FUNCS(strerror_r)
1324         AC_CHECK_FUNCS(ttyname_r)
1325         AC_CHECK_SIZEOF(size_t)
1326         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
1327                 [#include <sys/types.h>
1328                  #include <sys/stat.h>
1329                  #include <unistd.h>])
1330         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1331                 [#include <sys/types.h>
1332                  #include <sys/stat.h>
1333                  #include <unistd.h>])
1334         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1335                 [#include <sys/time.h>])
1336         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1337                 [#include <sys/poll.h>])
1338         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1339                 [#include <sys/types.h>
1340                  #include <sys/stat.h>
1341                  #include <unistd.h>])
1342         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1343                 [#include <sys/time.h>
1344                  #include <sys/types.h>
1345                  #include <utime.h>])
1346         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1347                 [#include <sys/time.h>])
1348         AC_CHECK_MEMBERS(
1349                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
1350                 [#include <sys/types.h>
1351                  #include <dirent.h>])
1353         dnl Favour xattr through glibc, but use libattr if we have to
1354         AC_CHECK_FUNC(lsetxattr, ,
1355                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1356         )
1357         AC_SUBST(XATTR_LIB)
1359         dnl *********************************
1360         dnl *** Check for Console 2.0 I/O ***
1361         dnl *********************************
1362         AC_CHECK_HEADERS([curses.h])
1363         AC_CHECK_HEADERS([term.h], [], [],
1364         [#if HAVE_CURSES_H
1365          #include <curses.h>
1366          #endif
1367         ])
1368         AC_CHECK_HEADERS([termios.h])
1370         dnl * This is provided in io-layer, but on windows it's only available
1371         dnl * on xp+
1372         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1373 else
1374         jdk_headers_found=no
1375         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1376         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1377         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1378         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1380         dnl *********************************
1381         dnl *** Check for struct ip_mreqn ***
1382         dnl *********************************
1383         AC_MSG_CHECKING(for struct ip_mreqn)
1384         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1385                 struct ip_mreqn mreq;
1386                 mreq.imr_address.s_addr = 0;
1387         ], [
1388                 # Yes, we have it...
1389                 AC_MSG_RESULT(yes)
1390                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1391         ], [
1392                 # We'll just have to try and use struct ip_mreq
1393                 AC_MSG_RESULT(no)
1394                 AC_MSG_CHECKING(for struct ip_mreq)
1395                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1396                         struct ip_mreq mreq;
1397                         mreq.imr_interface.s_addr = 0;
1398                 ], [
1399                         # Yes, we have it...
1400                         AC_MSG_RESULT(yes)
1401                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1402                 ], [
1403                         # No multicast support
1404                         AC_MSG_RESULT(no)
1405                 ])
1406         ])
1407         AC_CHECK_FUNCS(GetProcessId)
1410 dnl socklen_t check
1411 AC_MSG_CHECKING(for socklen_t)
1412 AC_TRY_COMPILE([
1413 #include <sys/types.h>
1414 #include <sys/socket.h>
1416   socklen_t foo;
1418 ac_cv_c_socklen_t=yes
1419         AC_DEFINE(HAVE_SOCKLEN_T)
1420         AC_MSG_RESULT(yes)
1422         AC_MSG_RESULT(no)
1425 AC_MSG_CHECKING(for array element initalizer support)
1426 AC_TRY_COMPILE([#include <sys/socket.h>], [
1427         const int array[] = {[1] = 2,};
1428 ], [
1429         # Yes, we have it...
1430         AC_MSG_RESULT(yes)
1431         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1432 ], [
1433         # We'll have to use signals
1434         AC_MSG_RESULT(no)
1437 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1438         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1439         AC_TRY_LINK([#include <math.h>], 
1440         [ static void *p = &trunc; ],
1441         [
1442                 AC_DEFINE(HAVE_TRUNC) 
1443                 AC_MSG_RESULT(yes)
1444                 ac_cv_trunc=yes
1445         ],
1446         AC_MSG_RESULT(no)))
1448 if test "x$ac_cv_truncl" != "xyes"; then
1449    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL) LIBS="$LIBS -lsunmath"])
1452 dnl ****************************
1453 dnl *** Look for /dev/random ***
1454 dnl ****************************
1456 AC_MSG_CHECKING([if usage of random device is requested])
1457 AC_ARG_ENABLE(dev-random,
1458 [  --disable-dev-random    disable the use of the random device],
1459 try_dev_random=$enableval, try_dev_random=yes)
1460 AC_MSG_RESULT($try_dev_random)
1462 case "{$target}" in
1463     *-openbsd*)
1464     NAME_DEV_RANDOM="/dev/srandom"
1465     ;;
1467 dnl Win32 does not have /dev/random, they have their own method...
1469     *-*-mingw*|*-*-cygwin*)
1470     ac_cv_have_dev_random=no
1471     ;;
1473 dnl Everywhere else, it's /dev/random
1475     *)
1476     NAME_DEV_RANDOM="/dev/random"
1477     ;;
1478 esac
1480 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
1482 dnl Now check if the device actually exists
1484 if test "x$try_dev_random" = "xyes"; then
1485     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1486     [if test -r "$NAME_DEV_RANDOM" ; then
1487         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1488     if test "x$ac_cv_have_dev_random" = "xyes"; then
1489         AC_DEFINE(HAVE_CRYPT_RNG)
1490     fi
1491 else
1492     AC_MSG_CHECKING(for random device)
1493     ac_cv_have_dev_random=no
1494     AC_MSG_RESULT(has been disabled)
1497 if test "x$platform_win32" = "xyes"; then
1498     AC_DEFINE(HAVE_CRYPT_RNG)
1501 if test "x$ac_cv_have_dev_random" = "xno" \
1502     && test "x$platform_win32" = "xno"; then
1503     AC_MSG_WARN([[
1505 *** A system-provided entropy source was not found on this system.
1506 *** Because of this, the System.Security.Cryptography random number generator
1507 *** will throw a NotImplemented exception.
1509 *** If you are seeing this message, and you know your system DOES have an
1510 *** entropy collection in place, please contact <crichton@gimp.org> and
1511 *** provide information about the system and how to access the random device.
1513 *** Otherwise you can install either egd or prngd and set the environment
1514 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1515 ***]])
1518 AC_MSG_CHECKING([if inter-process shared handles are requested])
1519 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1520 AC_MSG_RESULT($try_shared_handles)
1521 if test "x$try_shared_handles" != "xyes"; then
1522         AC_DEFINE(DISABLE_SHARED_HANDLES)
1523         AC_SUBST(DISABLE_SHARED_HANDLES)
1526 AC_ARG_ENABLE(nunit-tests, [ --enable-nunit-tests       Run the nunit tests of the class library on 'make check'])
1527 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1529 TARGET="unknown"
1530 ACCESS_UNALIGNED="yes"
1532 JIT_SUPPORTED=no
1533 INTERP_SUPPORTED=no
1534 LIBC="libc.so.6"
1535 INTL="libc.so.6"
1536 SQLITE="libsqlite.so.0"
1537 SQLITE3="libsqlite3.so.0"
1538 X11="libX11.so"
1540 jit_wanted=false
1541 interp_wanted=false
1542 case "$host" in
1543 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1544 #               TARGET=MIPS;
1545 #               ACCESS_UNALIGNED="no"
1546 #               ;;
1547         mips*)
1548                 TARGET=MIPS;
1549                 arch_target=mips;
1550                 ACCESS_UNALIGNED="no"
1551                 JIT_SUPPORTED=yes
1552                 jit_wanted=true
1553                 ;;
1554         i*86-*-*)
1555                 TARGET=X86;
1556                 arch_target=x86;
1557                 JIT_SUPPORTED=yes
1558                 jit_wanted=true
1559                 case $host_os in
1560                   solaris*)
1561                         LIBC="libc.so"
1562                         INTL="libintl.so"
1564                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
1565                         # int astruct __attribute__ ((visibility ("hidden")));
1566                         # void foo ()
1567                         # {
1568                         #       void *p = &astruct;
1569                         # }
1570                         # gcc -fPIC --shared -o libfoo.so foo.c
1571                         # yields:
1572                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
1573                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
1574                         have_visibility_hidden=no
1576                         libmono_ldflags="$libmono_ldflags $LIBS"
1577                 esac
1578                 ;;
1579         x86_64-*-* | amd64-*-*)
1580                 TARGET=AMD64;
1581                 arch_target=amd64;
1582                 JIT_SUPPORTED=yes
1583                 jit_wanted=true
1584                 ;;
1585         ia64-*-*)
1586                 TARGET=IA64
1587                 arch_target=ia64
1588                 ACCESS_UNALIGNED="no"
1589                 JIT_SUPPORTED=yes
1590                 jit_wanted=true
1591                 LIBC="libc.so.6.1"
1592                 INTL="libc.so.6.1"
1593                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
1594                 libmono_ldflags="-lunwind"
1595                 ;;
1596         sparc*-*-*)
1597                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
1598                    TARGET=SPARC64
1599                 else
1600                         TARGET=SPARC
1601                 fi
1602                 arch_target=sparc;
1603                 JIT_SUPPORTED=yes
1604                 ACCESS_UNALIGNED="no"
1605                 case $host_os in
1606                   linux*) ;;
1607                   *)
1608                         LIBC="libc.so"
1609                         INTL="libintl.so"
1610                         libmono_ldflags="$libmono_ldflags $LIBS"
1611                 esac
1612                 jit_wanted=true
1613                 if test x"$GCC" = xyes; then
1614                         # We don't support v8 cpus
1615                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
1616                 fi
1617                 if test x"$AR" = xfalse; then
1618                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
1619                 fi
1620                 ;;
1621        alpha*-*-linux* | alpha*-*-osf*)
1622                 TARGET=ALPHA;
1623                 ACCESS_UNALIGNED="no"
1624                 JIT_SUPPORTED=yes
1625                 jit_wanted=true
1626                 arch_target=alpha;
1627                 CFLAGS="$CFLAGS -mieee -O0"
1628                 case $host_os in
1629                   linux*)
1630                         LIBC="libc.so.6.1"
1631                         INTL="libc.so.6.1"
1632                 esac
1633                ;;
1634         *-*-mingw*|*-*-cygwin*)
1635                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
1636                 have_visibility_hidden=no
1637                 INTL="intl"
1638                 ;;
1639         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1640                 TARGET=HPPA;
1641                 arch_target=hppa; 
1642                 LIBC="libc.sl"
1643                 ACCESS_UNALIGNED="no"
1644                 INTERP_SUPPORTED=yes
1645                 interp_wanted=true
1646                 ;;
1647         hppa*linux*)
1648                 TARGET=HPPA;
1649                 arch_target=hppa; 
1650                 ACCESS_UNALIGNED="no"
1651                 INTERP_SUPPORTED=yes
1652                 interp_wanted=true
1653                 ;;
1654         macppc-*-openbsd* | powerpc-*-linux* | powerpc-*-openbsd* | \
1655         powerpc-*-sysv* | powerpc-*-darwin*)
1656                 TARGET=POWERPC;
1657                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1658                 arch_target=ppc;
1659                 JIT_SUPPORTED=yes
1660                 jit_wanted=true
1661                 ;;
1662         arm*-linux*)
1663                 TARGET=ARM;
1664                 arch_target=arm;
1665                 ACCESS_UNALIGNED="no"
1666                 JIT_SUPPORTED=yes
1667                 jit_wanted=true
1668                 ;;
1669         s390-*-linux*)
1670                 TARGET=S390;
1671                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1672                 arch_target=s390;
1673                 ACCESS_UNALIGNED="no"
1674                 JIT_SUPPORTED=yes
1675                 jit_wanted=true
1676                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
1677                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1678                 ;;
1679         s390x-*-linux*)
1680                 TARGET=S390x;
1681                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1682                 arch_target=s390x;
1683                 ACCESS_UNALIGNED="no"
1684                 JIT_SUPPORTED=yes
1685                 jit_wanted=true
1686                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1687                 ;;
1688 esac
1690 if test "x$have_visibility_hidden" = "xyes"; then
1691    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
1694 AC_ARG_WITH(jit, [  --with-jit=yes,no       If you want to build scripts that default to the JIT],[
1695         if test x$withval = xyes; then
1696            jit_wanted=true
1697         else
1698            jit_wanted=false
1699         fi
1702 AC_ARG_WITH(interp, [  --with-interp=yes,no    If you want to build scripts that default to the interpreter],[
1703         if test x$withval = xyes; then
1704            interp_wanted=true
1705         else
1706            interp_wanted=false
1707         fi
1710 USEJIT=false
1711 if test x$JIT_SUPPORTED = xyes; then
1712    if $jit_wanted; then
1713       USEJIT=true
1714       jit_status="Building and using the JIT"
1715    else
1716       if $interp_wanted; then
1717          jit_status="Building the JIT, defaulting to the interpreter"
1718       else
1719          AC_ERROR(No JIT or interpreter support available or selected.)
1720       fi
1721    fi
1722 else
1723    if test x$interp_wanted = xtrue; then
1724       jit_status="interpreter"
1725    else
1726       AC_ERROR(No JIT or interpreter support available or selected.)
1727    fi
1730 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
1732 libsuffix=".so"
1734 case "$host" in
1735      *-*-darwin*)
1736         libsuffix=".dylib"
1737         LIBC="libc.dylib"
1738         INTL="libintl.dylib"
1739         SQLITE="libsqlite.0.dylib"
1740         SQLITE3="libsqlite3.0.dylib"
1741         X11="libX11.dylib"
1742         ;;
1743      *-*-*netbsd*)
1744         LIBC="libc.so.12"
1745         INTL="libintl.so.0"
1746         ;;
1747     *-*-*freebsd*)
1748         LIBC="libc.so"
1749         INTL="libintl.so"
1750         ;;
1751     *-*-*openbsd*)
1752         LIBC="libc.so"
1753         INTL="libintl.so"
1754         ;;
1755     *-*-*linux*)
1756         AC_PATH_X
1757         AC_MSG_CHECKING(for the soname of libX11.so)
1758         for i in $x_libraries /usr/lib /usr/lib64; do
1759                 for r in 4 5 6; do
1760                         if test -f $i/libX11.so.$r; then
1761                                 X11=libX11.so.$r
1762                                 AC_MSG_RESULT($X11)
1763                         fi
1764                 done
1765         done
1766         
1767         if test "x$X11" = "xlibX11.so"; then
1768                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? WinForms may not work...]);
1769         fi
1770         ;;
1771 esac
1774 AC_SUBST(libsuffix)
1776 if test "x$TARGET" != "xAMD64"; then
1777    # valgrind headers don't compile under x86-64
1778    AC_CHECK_HEADERS(valgrind/memcheck.h)
1781 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1782         if test "x$with_tls" = "x__thread"; then
1783                 #
1784                 # On some linux distributions, TLS works in executables, but linking 
1785                 # against a shared library containing TLS fails with:
1786                 # undefined reference to `__tls_get_addr'
1787                 #
1788                 rm -f conftest.c conftest.so conftest
1789                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
1790                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
1791                 $CC -o conftest conftest.so > /dev/null 2>&1
1792                 if test ! -f conftest; then
1793                    AC_MSG_WARN([Disabling usage of __thread.]);
1794                    with_tls=pthread
1795                 fi
1796                 rm -f conftest.c conftest.so conftest
1797         fi
1800 mono_debugger_supported=no
1801 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA"; then
1802         if test x$use_included_gc = xyes; then
1803                 case "$host" in
1804                 *-*-*linux*)
1805                         mono_debugger_supported=yes
1806                         ;;
1807                 esac
1808         fi
1811 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
1812 if test "x$mono_debugger_supported" = "xyes"; then
1813         AC_DEFINE(MONO_DEBUGGER_SUPPORTED,1,[The Mono Debugger is supported on this platform])
1815 AC_MSG_RESULT($mono_debugger_supported)
1816 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
1818 if test "x$with_tls" = "x__thread"; then
1819         AC_DEFINE(HAVE_KW_THREAD)
1820         # Pass the information to libgc
1821         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
1822         AC_MSG_CHECKING(if the tls_model attribute is supported)
1823         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
1824                 ], [
1825                         AC_MSG_RESULT(yes)
1826                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
1827                 ], [
1828                         AC_MSG_RESULT(no)
1829         ])
1832 if test ${TARGET} = ARM; then
1833         dnl ******************************************
1834         dnl *** Check to see what FPU is available ***
1835         dnl ******************************************
1836         AC_MSG_CHECKING(which FPU to use)
1838         AC_TRY_COMPILE([], [
1839                 __asm__ ("ldfd f0, [r0]");
1840                 ], fpu=FPA, [
1841                         AC_TRY_COMPILE([], [
1842                                 __asm__ ("fldd d0, [r0]");
1843                         ], fpu=VFP, fpu=NONE)
1844                 ])
1846         AC_MSG_RESULT($fpu)
1847         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
1848         unset fpu
1851 if test ${TARGET} = unknown; then
1852         CPPFLAGS="$CPPFLAGS -DNO_PORT"
1853         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
1856 if test ${ACCESS_UNALIGNED} = no; then
1857         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
1860 PREVIEW=yes
1861 AC_ARG_WITH(preview, [ --with-preview=yes,no     If you want to install the 2.0 FX preview],[
1862         if test x$with_preview = xno; then
1863               PREVIEW=no
1864         fi
1867 AM_CONDITIONAL(INSTALL_2_0, test x$PREVIEW = xyes)
1869 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
1870 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
1871 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
1872 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
1873 AM_CONDITIONAL(X86, test x$TARGET = xX86)
1874 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
1875 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
1876 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
1877 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
1878 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
1879 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
1880 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
1881 AM_CONDITIONAL(S390, test x$TARGET = xS390)
1882 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
1883 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
1885 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
1886 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
1887 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
1889 AC_SUBST(LIBC)
1890 AC_SUBST(INTL)
1891 AC_SUBST(SQLITE)
1892 AC_SUBST(SQLITE3)
1893 AC_SUBST(X11)
1894 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
1895 AC_SUBST(arch_target)
1896 AC_SUBST(CFLAGS)
1897 AC_SUBST(CPPFLAGS)
1898 AC_SUBST(LDFLAGS)
1900 mono_build_root=`pwd`
1901 AC_SUBST(mono_build_root)
1903 if test x$USEJIT = xtrue; then
1904   mono_runtime=mono/mini/mono
1905 else
1906   mono_runtime=mono/interpreter/mint
1908 AC_SUBST(mono_runtime)
1910 mono_cfg_root=$mono_build_root/runtime
1911 if test x$platform_win32 = xyes; then
1912   mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
1913 else
1914   mono_cfg_dir=$mono_cfg_root/etc
1916 AC_SUBST(mono_cfg_dir)
1918 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
1919 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
1920 AC_CONFIG_FILES([runtime/semdel-wrapper],[chmod +x runtime/semdel-wrapper])
1922 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
1923 [   depth=../../../..
1924     case $srcdir in
1925     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1926     .) reldir=$depth ;;
1927     *) reldir=$depth/$srcdir ;;
1928     esac
1929     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
1930     cd runtime/etc/mono/1.0
1931     rm -f machine.config
1932     $LN_S $reldir/data/net_1_1/machine.config machine.config
1933     cd $depth
1934 ],[LN_S='$LN_S'])
1936 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
1937 [   depth=../../../..
1938     case $srcdir in
1939     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1940     .) reldir=$depth ;;
1941     *) reldir=$depth/$srcdir ;;
1942     esac
1943     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
1944     cd runtime/etc/mono/2.0
1945     rm -f machine.config
1946     $LN_S $reldir/data/net_2_0/machine.config machine.config
1947     cd $depth
1948 ],[LN_S='$LN_S'])
1950 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
1951 [   depth=../../../..
1952     case $srcdir in
1953     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1954     .) reldir=$depth ;;
1955     *) reldir=$depth/$srcdir ;;
1956     esac
1957     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
1958     cd runtime/etc/mono/2.0
1959     rm -f web.config
1960     $LN_S $reldir/data/net_2_0/web.config web.config
1961     cd $depth
1962 ],[LN_S='$LN_S'])
1964 AC_OUTPUT([
1965 Makefile
1966 mint.pc
1967 mono.pc
1968 mono-cairo.pc
1969 dotnet.pc
1970 mono-uninstalled.pc
1971 scripts/mono-nunit.pc
1972 scripts/mono-find-provides
1973 scripts/mono-find-requires
1974 mono/Makefile
1975 mono/utils/Makefile
1976 mono/metadata/Makefile
1977 mono/dis/Makefile
1978 mono/cil/Makefile
1979 mono/arch/Makefile
1980 mono/os/Makefile
1981 mono/arch/x86/Makefile
1982 mono/arch/amd64/Makefile
1983 mono/arch/hppa/Makefile
1984 mono/arch/ppc/Makefile
1985 mono/arch/sparc/Makefile
1986 mono/arch/s390/Makefile
1987 mono/arch/s390x/Makefile
1988 mono/arch/arm/Makefile
1989 mono/arch/alpha/Makefile
1990 mono/arch/ia64/Makefile
1991 mono/arch/mips/Makefile
1992 mono/interpreter/Makefile
1993 mono/tests/Makefile
1994 mono/tests/tests-config
1995 mono/tests/cas/Makefile
1996 mono/tests/cas/assembly/Makefile
1997 mono/tests/cas/demand/Makefile
1998 mono/tests/cas/inheritance/Makefile
1999 mono/tests/cas/linkdemand/Makefile
2000 mono/tests/cas/threads/Makefile
2001 mono/benchmark/Makefile
2002 mono/monoburg/Makefile
2003 mono/monograph/Makefile
2004 mono/io-layer/Makefile
2005 mono/mini/Makefile
2006 mono/profiler/Makefile
2007 ikvm-native/Makefile
2008 scripts/Makefile
2009 man/Makefile
2010 web/Makefile
2011 docs/Makefile
2012 data/Makefile
2013 data/net_1_1/Makefile
2014 data/net_2_0/Makefile
2015 samples/Makefile
2016 support/Makefile
2017 data/config
2018 tools/Makefile
2019 tools/locale-builder/Makefile
2020 runtime/Makefile
2023 if test x$platform_win32 = xyes; then
2024    # Get rid of 'cyg' prefixes in library names
2025    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2026    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
2027    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
2028    # executable doesn't work...
2029    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2033   case $prefix in
2034   NONE) prefix=$ac_default_prefix ;;
2035   esac
2036   case $exec_prefix in
2037   NONE) exec_prefix='${prefix}' ;;
2038   esac
2040   test -w $srcdir/$mcsdir/build || chmod +w $srcdir/$mcsdir/build
2042   #
2043   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
2044   # any existing config.make.  This allows people to share the same source tree
2045   # with different build directories, one native and one cross
2046   #
2047   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2048     echo "prefix=$prefix" > $srcdir/$mcsdir/build/config.make
2049     echo "exec_prefix=$exec_prefix" >> $srcdir/$mcsdir/build/config.make
2050     echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$mcsdir/build/config.make
2051     echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$mcsdir/build/config.make
2052     echo 'IL_FLAGS = /debug' >> $srcdir/$mcsdir/build/config.make
2053     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$mcsdir/build/config.make
2054     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $srcdir/$mcsdir/build/config.make
2056     case $INSTALL in
2057     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
2058     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
2059     esac
2061     echo "INSTALL = $mcs_INSTALL" >> $srcdir/$mcsdir/build/config.make
2063     export VERSION
2064     [myver=$($AWK 'BEGIN {
2065       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
2066       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
2067     }')]
2069     echo "MONO_VERSION = $myver" >> $srcdir/$mcsdir/build/config.make
2070   fi
2073 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
2075 echo "
2076         mcs source:  $mcs_topdir
2077         GC:          $gc
2078         TLS:         $with_tls
2079         SIGALTSTACK: $with_sigaltstack
2080         Engine:      $jit_status
2081         2.0 Alpha:   $PREVIEW
2082         JNI support: $jdk_headers_found
2083         libgdiplus:  $libgdiplus_msg
2084         $disabled
2087 if test x$with_static_mono = xno -a "x$platform_win32" != "xyes"; then
2088    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexepcted bugs)
2091 if test x$have_zlib = xno; then
2092    AC_MSG_WARN(ZLib devel files not available, compression file support in 2.0 won't work.)
2095 if test x$gc = xsgen; then
2096         echo IMPORTANT:
2097         echo IMPORTANT: You have selected an experimental, work-in-progress 
2098         echo IMPORTANT: GC engine.  This GC engine is currently not supported
2099         echo IMPORTANT: and is not yet ready for use.  
2100         echo IMPORTANT:
2101         echo IMPORTANT: There are known problems with it, use at your own risk.