f550c38da490509b5a383aff588fc236785f23cc
[mono.git] / configure.in
1 AC_INIT(README)
2 AC_CANONICAL_SYSTEM
3
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])])
7
8 AM_CONFIG_HEADER(config.h)
9 AM_INIT_AUTOMAKE(mono,1.1.15)
10 AM_MAINTAINER_MODE
11
12 AC_PROG_LN_S
13
14 # In case of cygwin, override LN_S, irrespective of what it determines.
15 # The build uses cygwin, but the actual runtime doesn't.
16 case $host_os in
17 *cygwin* ) LN_S='cp -p';;
18 esac
19
20
21 dnl
22 dnl libgc checks
23 dnl
24
25 gc_headers=no
26 gc=included
27 use_included_gc=no
28 libgc_configure_args=
29
30 if test -d $srcdir/libgc ; then
31   gc_default=included
32 else
33   gc_default=boehm
34 fi
35
36 #
37 # These are the flags that need to be stored in the mono.pc file for 
38 # compiling code that will embed Mono
39 #
40 libmono_cflags=""
41 libmono_ldflags=""
42 AC_SUBST(libmono_cflags)
43 AC_SUBST(libmono_ldflags)
44
45 # Variable to have relocatable .pc files (lib, or lib64)
46 reloc_libdir=`basename ${libdir}`
47 AC_SUBST(reloc_libdir)
48
49
50 dnl if linker handles the version script
51 no_version_script=no
52
53 # Set to yes if Unix sockets cannot be created in an anonymous namespace
54 need_link_unlink=no
55
56 # Thread configuration inspired by sleepycat's db
57 AC_MSG_CHECKING([host platform characteristics])
58 libgc_threads=no
59 case "$host" in
60         *-*-mingw*|*-*-cygwin*)
61                 platform_win32=yes
62                 AC_DEFINE(PLATFORM_WIN32,1,[Platform is Win32])
63                 if test "x$cross_compiling" = "xno"; then
64                         CC="gcc -mno-cygwin -g"
65                         # So libgc configure gets -mno-cygwin
66                         export CC
67                 fi
68                 HOST_CC="gcc"
69                 CPPFLAGS="$CPPFLAGS -DWIN32_THREADS -DFD_SETSIZE=1024"
70                 libdl=
71                 libgc_threads=win32
72                 gc_default=included
73                 with_nptl=default
74                 with_sigaltstack=no
75                 LN_S=cp
76                 # This forces libgc to use the DllMain based thread registration code on win32
77                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
78                 ;;
79         *-*-*netbsd*)
80                 platform_win32=no
81                 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
82                 libmono_cflags="-D_REENTRANT"
83                 LDFLAGS="$LDFLAGS -pthread"
84                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
85                 libmono_ldflags="-pthread"
86                 need_link_unlink=yes
87                 libdl=
88                 libgc_threads=no
89                 ;;
90 # these flags will work for all versions of -STABLE
91 #
92         *-*-*freebsd4*)
93                 platform_win32=no
94                 if test "x$PTHREAD_CFLAGS" = "x"; then
95                         CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
96                         libmono_cflags="-D_THREAD_SAFE"
97                 else
98                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
99                         libmono_cflags="$PTHREAD_CFLAGS"
100                 fi
101                 if test "x$PTHREAD_LIBS" = "x"; then
102                         LDFLAGS="$LDFLAGS -pthread"
103                         libmono_ldflags="-pthread"
104                 else
105                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
106                         libmono_ldflags="$PTHREAD_LIBS"
107                 fi
108                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD4"
109                 need_link_unlink=yes
110                 AC_DEFINE(PTHREAD_POINTER_ID)
111                 libdl=
112                 libgc_threads=pthreads
113 # TLS isn't implemented at all on 4-STABLE
114                 with_nptl=no
115                 with_tls=pthread
116                 ;;
117         *-*-*freebsd5*)
118                 platform_win32=no
119                 if test "x$PTHREAD_CFLAGS" = "x"; then
120                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
121                         libmono_cflags=
122                 else
123                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
124                         libmono_cflags="$PTHREAD_CFLAGS"
125                 fi
126                 if test "x$PTHREAD_LIBS" = "x"; then
127                         LDFLAGS="$LDFLAGS -pthread"
128                         libmono_ldflags="-pthread"
129                 else
130                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
131                         libmono_ldflags="$PTHREAD_LIBS"
132                 fi
133                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD5"
134                 need_link_unlink=yes
135                 AC_DEFINE(PTHREAD_POINTER_ID)
136                 libdl=
137                 with_sigaltstack=yes
138                 libgc_threads=pthreads
139 # TLS is only partially implemented on 5-STABLE (compiler support
140 # but NOT library support)
141 #
142                 with_tls=pthread
143                 ;;
144         *-*-*freebsd6*)
145                 platform_win32=no
146                 if test "x$PTHREAD_CFLAGS" = "x"; then
147                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
148                         libmono_cflags=
149                 else
150                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
151                         libmono_cflags="$PTHREAD_CFLAGS"
152                 fi
153                 if test "x$PTHREAD_LIBS" = "x"; then
154                         LDFLAGS="$LDFLAGS -pthread"
155                         libmono_ldflags="-pthread"
156                 else
157                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
158                         libmono_ldflags="$PTHREAD_LIBS"
159                 fi
160                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD6"
161                 need_link_unlink=yes
162                 AC_DEFINE(PTHREAD_POINTER_ID)
163                 libdl=
164                 libgc_threads=pthreads
165                 with_sigaltstack=yes
166 # TLS is only partially implemented on -CURRENT (compiler support
167 # but NOT library support)
168 #
169                 with_tls=pthread
170                 ;;
171         *-*-*openbsd*)
172                 platform_win32=no
173                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
174                 libmono_cflags="-D_THREAD_SAFE"
175                 LDFLAGS="$LDFLAGS -pthread"
176                 libmono_ldflags="-pthread"
177                 need_link_unlink=yes
178                 AC_DEFINE(PTHREAD_POINTER_ID)
179                 libdl=
180                 libgc_threads=pthreads
181                 ;;
182         *-*-linux*)
183                 platform_win32=no
184                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP"
185                 libmono_cflags="-D_REENTRANT"
186                 libmono_ldflags="-lpthread"
187                 libdl="-ldl"
188                 libgc_threads=pthreads
189                 ;;
190         *-*-hpux*)
191         platform_win32=no
192                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
193                 CFLAGS="$CFLAGS +ESdbgasm"
194                 LDFLAGS="$LDFLAGS -z"
195                 libmono_cflags="-D_REENTRANT"
196                 libmono_ldflags="-lpthread"
197                 libgc_threads=pthreads
198                 need_link_unlink=yes
199                 ;;
200         *-*-solaris*)
201                 platform_win32=no
202                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP"
203                 need_link_unlink=yes
204                 libmono_cflags="-D_REENTRANT"
205                 libgc_threads=pthreads
206                 # This doesn't seem to work on solaris/x86, but the configure test runs
207                 with_nptl=no
208                 ;;
209         *-*-darwin*)
210                 platform_win32=no
211                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX"
212                 libmono_cflags="-D_THREAD_SAFE"
213                 LDFLAGS="$LDFLAGS -pthread"
214                 libmono_ldflags="-pthread"
215                 need_link_unlink=yes
216                 AC_DEFINE(PTHREAD_POINTER_ID)
217                 AC_DEFINE(USE_MACH_SEMA)
218                 no_version_script=yes
219                 libdl=
220                 libgc_threads=pthreads
221                 ;;
222         *)
223                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
224                 platform_win32=no
225                 libdl="-ldl"
226                 ;;
227 esac
228 AC_MSG_RESULT(ok)
229
230 if test x$need_link_unlink = xyes; then
231    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
232 fi
233
234 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
235
236 AC_CHECK_TOOL(CC, gcc, gcc)
237 AC_PROG_CC
238 AM_PROG_CC_STDC
239 AC_PROG_INSTALL
240 AC_PROG_AWK
241 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
242 : ${CCAS='$(CC)'}
243 # Set ASFLAGS if not already set.
244 : ${CCASFLAGS='$(CFLAGS)'}
245 AC_SUBST(CCAS)
246 AC_SUBST(CCASFLAGS)
247
248 AC_CHECK_PROG(BISON, bison,yes,no)
249 if test "x$BISON" = "xno";
250 then
251         AC_MSG_ERROR([You need to install bison])
252 fi
253
254 dnl may require a specific autoconf version
255 dnl AC_PROG_CC_FOR_BUILD
256 dnl CC_FOR_BUILD not automatically detected
257 CC_FOR_BUILD=$CC
258 CFLAGS_FOR_BUILD=$CFLAGS
259 BUILD_EXEEXT=
260 if test "x$cross_compiling" = "xyes"; then
261         CC_FOR_BUILD=cc
262         CFLAGS_FOR_BUILD=
263         BUILD_EXEEXT=""
264 fi
265 AC_SUBST(CC_FOR_BUILD)
266 AC_SUBST(CFLAGS_FOR_BUILD)
267 AC_SUBST(HOST_CC)
268 AC_SUBST(BUILD_EXEEXT)
269
270 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
271
272 # Set STDC_HEADERS
273 AC_HEADER_STDC
274 AC_LIBTOOL_WIN32_DLL
275 # This causes monodis to not link correctly
276 #AC_DISABLE_FAST_INSTALL
277 AM_PROG_LIBTOOL
278
279 # Test whenever ld supports -version-script
280 AC_PROG_LD
281 AC_PROG_LD_GNU
282 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
283    no_version_script=yes
284 fi
285
286 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
287
288 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h semaphore.h sys/un.h linux/rtc.h)
289
290 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
291
292 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
293
294 # for mono/metadata/debug-symfile.c
295 AC_CHECK_HEADERS(elf.h)
296
297 # for support
298 AC_CHECK_HEADERS(poll.h)
299 AC_CHECK_HEADERS(sys/poll.h)
300 AC_CHECK_HEADERS(sys/wait.h)
301 AC_CHECK_HEADERS(grp.h)
302 AC_CHECK_HEADERS(syslog.h)
303
304 # for mono/dis
305 AC_CHECK_HEADERS(wchar.h)
306 case "$host" in
307         *-*-*freebsd6*)
308                 AC_CHECK_HEADERS(ieeefp.h)
309         ;;
310         *-*-*freebsd*)
311                 /* Only freebsd6 has a working ieeefp.h */
312         ;;
313         *)
314                 AC_CHECK_HEADERS(ieeefp.h)
315         ;;
316 esac
317 AC_MSG_CHECKING(for isinf)
318 AC_TRY_LINK([#include <math.h>], [
319         int f = isinf (1);
320 ], [
321         AC_MSG_RESULT(yes)
322         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
323 ], [
324         # We'll have to use signals
325         AC_MSG_RESULT(no)
326 ])
327
328
329 # not 64 bit clean in cross-compile
330 AC_CHECK_SIZEOF(void *, 4)
331
332 WARN=''
333 if test x"$GCC" = xyes; then
334         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wcast-align -Wwrite-strings'
335                 # The runtime code does not respect ANSI C strict aliasing rules
336                 CFLAGS="$CFLAGS -fno-strict-aliasing"
337
338                 ORIG_CFLAGS=$CFLAGS
339                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
340                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
341                 AC_TRY_COMPILE([], [
342                                                    void main () { }
343                 ], [
344                    AC_MSG_RESULT(yes)
345                 ], [
346                    AC_MSG_RESULT(no)
347                    CFLAGS=$ORIG_CFLAGS
348                 ])
349 else
350         # The Sun Forte compiler complains about inline functions that access static variables
351         # so disable all inlining.
352         case "$host" in
353         *-*-solaris*)
354                 CFLAGS="$CFLAGS -Dinline="
355                 ;;
356         esac
357 fi
358 CFLAGS="$CFLAGS -g $WARN"
359
360 # Where's the 'mcs' source tree?
361 if test -d $srcdir/mcs; then
362   mcsdir=mcs
363 else
364   mcsdir=../mcs
365 fi
366
367 mcs_topdir='$(top_srcdir)/'$mcsdir
368 mcs_topdir_from_srcdir='$(top_builddir)/'$mcsdir
369
370 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
371 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno])
372
373 AC_SUBST([mcs_topdir])
374 AC_SUBST([mcs_topdir_from_srcdir])
375
376 AC_ARG_WITH([libgdiplus], 
377         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to NO)], 
378         [], [with_libgdiplus=installed])
379
380 case $with_libgdiplus in
381 no|installed) libgdiplus_loc= ;;
382 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
383 /*) libgdiplus_loc=$with_libgdiplus ;;
384 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
385 esac
386 AC_SUBST([libgdiplus_loc])
387
388 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
389 if test "x$PKG_CONFIG" = "xno"; then
390         AC_MSG_ERROR([You need to install pkg-config])
391 fi
392
393 dnl for use on the build system
394 dnl pkg-config is stupid
395 BUILD_GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
396 BUILD_GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
397 AC_SUBST(BUILD_GLIB_CFLAGS)
398 AC_SUBST(BUILD_GLIB_LIBS)
399
400 pkg_config_path=
401 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir],
402         if test x$with_crosspkgdir = "x"; then
403                 if test -s $PKG_CONFIG_PATH; then
404                         pkg_config_path=$PKG_CONFIG_PATH
405                 fi
406         else
407                 pkg_config_path=$with_crosspkgdir
408                 PKG_CONFIG_PATH=$pkg_config_path
409                 export PKG_CONFIG_PATH
410         fi
411 )
412
413 ## Versions of dependencies
414 GLIB_REQUIRED_VERSION=1.3.11
415
416 PKG_CHECK_MODULES(BASE_DEPENDENCIES, glib-2.0 >= $GLIB_REQUIRED_VERSION)
417
418 GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
419 GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
420 GMODULE_CFLAGS=`$PKG_CONFIG --cflags gmodule-2.0`
421 GMODULE_LIBS=`$PKG_CONFIG --libs gmodule-2.0`
422
423 AC_SUBST(GLIB_CFLAGS)
424 AC_SUBST(GLIB_LIBS)
425 AC_SUBST(GMODULE_CFLAGS)
426 AC_SUBST(GMODULE_LIBS)
427
428 if test x$cross_compiling$platform_win32 = xnoyes; then
429    AC_MSG_CHECKING(for cygwin glib2-dev package)
430    if [ cygcheck --f /usr/lib/libglib-2.0.dll.a | grep -q glib2-devel ]; then
431       AC_MSG_RESULT(found)
432           AC_MSG_ERROR([Mono cannot be built with the cygwin glib2-devel package installed, because that package doesn't work with -mno-cygwin. Please uninstall it then re-run configure.])
433    else
434       AC_MSG_RESULT(not found, ok)
435    fi
436
437    AC_MSG_CHECKING(for broken gwin32.h)
438    glib_include=`$PKG_CONFIG --cflags-only-I glib-2.0 | sed -e 's/ -I.*//g' | sed -e 's/-I//g'`
439    if test -f $glib_include/glib/gwin32.h; then
440           if [ grep ftruncate $glib_include/glib/gwin32.h | grep -q define ]; then
441                  AC_MSG_RESULT(failed)
442                  hashmark='#'
443                  AC_MSG_ERROR([Your version of gwin32.h is broken and will cause compilation errors when building mono. Please fix it by deleting the line: '$hashmark   define ftruncate...' from '$glib_include/glib/gwin32.h' then re-run configure.])
444           fi
445    fi
446    AC_MSG_RESULT(ok)
447 fi
448
449 AC_ARG_WITH(gc, [  --with-gc=boehm,included,none],[gc=$with_gc],[gc=$gc_default])
450
451 # Enable support for fast thread-local storage
452 # Some systems have broken support, so we allow to disable it.
453 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread       select Thread Local Storage implementation],[],[with_tls=__thread])
454
455 # Kept for compatibility
456 AC_ARG_WITH(nptl, [  --with-nptl=yes,no      deprecated, use --with-tls instead],[],[with_nptl=default])
457
458 if test "x$with_nptl" != "xdefault"; then
459    if test "x$with_nptl" = "xyes"; then
460       AC_MSG_WARN([--with-nptl=yes is deprecated, use --with-tls=__thread option instead.])
461           with_tls=__thread
462    fi
463    if test "x$with_nptl" = "xno"; then
464       AC_MSG_WARN([--with-nptl=no is deprecated, use --with-tls=pthread option instead.])
465           with_tls=pthread
466    fi
467 fi
468
469 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
470 # This does not work on some platforms (bug #55253)
471 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack],[],[with_sigaltstack=no])
472
473 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster)],[],[with_static_mono=yes])
474
475 if test "x$enable_static" = "xno"; then
476    with_static_mono=no
477 fi
478
479 if test "x$platform_win32" = "xyes"; then
480    # Boehm GC requires the runtime to be in its own dll
481    with_static_mono=no
482 fi
483
484 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
485
486 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no      Enable Xen-specific behaviour],[],[with_xen_opt=yes])
487 if test "x$with_xen_opt" = "xyes"; then
488         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
489         ORIG_CFLAGS=$CFLAGS
490         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
491         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
492         AC_TRY_COMPILE([], [
493                                            void main () { }
494         ], [
495            AC_MSG_RESULT(yes)
496         ], [
497            AC_MSG_RESULT(no)
498            CFLAGS=$ORIG_CFLAGS
499         ])
500 fi
501
502 DISABLED_FEATURES=none
503
504 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
505   LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
506   reflection_emit, large_code, logging, com, ssa, generics.],
507 [
508         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
509                 eval "mono_feature_disable_$feature='yes'"
510                 AC_MSG_NOTICE([Disabled support for feature: $feature])
511         done
512         DISABLED_FEATURES=$enable_minimal
513         disabled="Disabled:    $enable_minimal"
514 ],[])
515
516 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
517
518 if test "x$mono_feature_disable_aot" = "xyes"; then
519         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT support])
520 fi
521
522 if test "x$mono_feature_disable_profiler" = "xyes"; then
523         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
524 fi
525
526 if test "x$mono_feature_disable_decimal" = "xyes"; then
527         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
528 fi
529
530 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
531         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
532 fi
533
534 if test "x$mono_feature_disable_debug" = "xyes"; then
535         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
536 fi
537
538 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
539         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
540 fi
541
542 if test "x$mono_feature_disable_large_code" = "xyes"; then
543         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
544 fi
545
546 if test "x$mono_feature_disable_logging" = "xyes"; then
547         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
548 fi
549
550 if test "x$mono_feature_disable_com" = "xyes"; then
551         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
552 fi
553
554 if test "x$mono_feature_disable_ssa" = "xyes"; then
555         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
556 fi
557
558 if test "x$mono_feature_disable_generics" = "xyes"; then
559         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
560 fi
561
562 AC_MSG_CHECKING(for visibility __attribute__)
563 AC_TRY_COMPILE([], [
564    void __attribute__ ((visibility ("hidden"))) doit (void) {}
565    void main () { doit (); }
566 ], [
567    have_visibility_hidden=yes
568    AC_MSG_RESULT(yes)
569 ], [
570    have_visibility_hidden=no
571    AC_MSG_RESULT(no)
572 ])
573
574 LIBGC_CFLAGS=
575 LIBGC_LIBS=
576 LIBGC_STATIC_LIBS=
577 libgc_dir=
578 case "x$gc" in
579         xboehm|xbohem|xyes)
580                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
581                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
582
583                 if test "x$found_boehm" != "xyes"; then
584                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
585                 fi
586                 if test "x$gc_headers" != "xyes"; then
587                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
588                 fi
589
590                 AC_DEFINE(HAVE_BOEHM_GC)
591                 AC_SUBST(HAVE_BOEHM_GC)
592                 LIBGC_LIBS="-lgc $libdl"
593                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
594
595                 # AC_CHECK_FUNCS does not work for some reason...
596                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
597                 if test "x$found_gcj_malloc" = "xyes"; then
598                         AC_DEFINE(HAVE_GC_GCJ_MALLOC)
599                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (with typed GC)", [GC description])
600                 else
601                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (no typed GC)", [GC description])
602                 fi
603                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
604                 if test "x$found_gc_enable" = "xyes"; then
605                         AC_DEFINE(HAVE_GC_ENABLE)
606                 fi
607                 ;;
608
609         xincluded)
610                 AC_CONFIG_SUBDIRS(libgc)
611
612                 # Pass CPPFLAGS to libgc configure
613                 # Maybe we should use a separate variable for this to avoid passing useless and
614                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
615                 export CPPFLAGS
616
617                 found_boehm=yes
618                 gc_headers=yes
619                 use_included_gc=yes
620                 libgc_dir=libgc
621
622                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
623                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
624                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
625
626                 AC_DEFINE(HAVE_BOEHM_GC)
627                 AC_SUBST(HAVE_BOEHM_GC)
628
629                 AC_DEFINE(HAVE_GC_H)
630                 AC_DEFINE(USE_INCLUDED_LIBGC)
631
632                 # The included libgc contains GCJ support
633                 AC_DEFINE(HAVE_GC_GCJ_MALLOC)
634                 AC_DEFINE(HAVE_GC_ENABLE)
635                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Included Boehm (with typed GC)", [GC description])
636                 ;;
637
638         xsgen)
639                 found_boehm=no
640                 gc_headers=no
641                 use_included_gc=no
642                 AC_DEFINE(HAVE_SGEN_GC,1,[Using the simple generational GC.])
643                 AC_DEFINE(HAVE_MOVING_COLLECTOR,1,[The GC can move objects.])
644                 AC_DEFINE(HAVE_WRITE_BARRIERS,1,[The GC needs write barriers.])
645                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Simple generational", [GC description])
646                 ;;
647
648         xnone)
649                 AC_MSG_WARN("Compiling mono without GC.")
650                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "none", [GC description])
651                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
652                 ;;
653         *)
654                 AC_MSG_ERROR([Invalid argument to --with-gc.])
655                 ;;
656 esac
657
658 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no    Enable support for GC heaps larger than 3GB], [large_heap=$withval], [large_heap=no])
659 if test "x$large_heap" = "xyes"; then
660    echo "FOO"
661    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
662 fi
663
664 # tell libgc/configure about what we want
665 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args"
666
667 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
668 AC_SUBST(LIBGC_CFLAGS)
669 AC_SUBST(LIBGC_LIBS)
670 AC_SUBST(LIBGC_STATIC_LIBS)
671 AC_SUBST(libgc_dir)
672
673 dnl
674 dnl End of libgc checks
675 dnl
676
677 if test x$platform_win32 = xno; then
678
679         dnl ******************************************************************
680         dnl *** Checks for the IKVM JNI interface library                  ***
681         dnl ******************************************************************
682         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no  build the IKVM JNI interface library],[with_ikvm_native=$withval],[with_ikvm_native=yes])
683
684         ikvm_native_dir=
685         if test x$with_ikvm_native = xyes; then
686                 ikvm_native_dir=ikvm-native
687                 jdk_headers_found="IKVM Native"
688         fi
689
690         AC_SUBST(ikvm_native_dir)
691
692         AC_CHECK_HEADERS(execinfo.h)
693
694         AC_CHECK_FUNCS(getgrgid_r)
695         AC_CHECK_FUNCS(getgrnam_r)
696         AC_CHECK_FUNCS(getpwnam_r)
697         AC_CHECK_FUNCS(getpwuid_r)
698         AC_CHECK_FUNCS(getresuid)
699         AC_CHECK_FUNCS(setresuid)
700         AC_CHECK_FUNCS(kqueue)
701         AC_CHECK_FUNCS(backtrace_symbols)
702
703         dnl ******************************************************************
704         dnl *** Check for large file support                               ***
705         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
706         dnl ******************************************************************
707         
708         # Check that off_t can represent 2**63 - 1 correctly, working around
709         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
710         # CPPFLAGS and sets $large_offt to yes if the test succeeds
711         large_offt=no
712         AC_DEFUN([LARGE_FILES], [
713                 large_CPPFLAGS=$CPPFLAGS
714                 CPPFLAGS="$CPPFLAGS $1"
715                 AC_TRY_RUN([
716                         #include <sys/types.h>
717
718                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
719
720                         int main(void) {
721                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
722                                                (BIG_OFF_T%2147483647==1));
723                                 if(big_off_t) {
724                                         exit(0);
725                                 } else {
726                                         exit(1);
727                                 }
728                         }
729                 ], [
730                         AC_MSG_RESULT(ok)
731                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT)
732                         large_CPPFLAGS="$large_CPPFLAGS $1"
733                         large_offt=yes
734                 ], [
735                         AC_MSG_RESULT(no)
736                 ], "")
737                 CPPFLAGS=$large_CPPFLAGS
738         ])
739
740         AC_MSG_CHECKING(if off_t is 64 bits wide)
741         LARGE_FILES("")
742         if test $large_offt = no; then
743                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
744                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
745         fi
746         if test $large_offt = no; then
747                 AC_MSG_WARN([No 64 bit file size support available])
748         fi
749         
750         dnl *****************************
751         dnl *** Checks for libsocket  ***
752         dnl *****************************
753         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
754
755         dnl *******************************
756         dnl *** Checks for MSG_NOSIGNAL ***
757         dnl *******************************
758         AC_MSG_CHECKING(for MSG_NOSIGNAL)
759         AC_TRY_COMPILE([#include <sys/socket.h>], [
760                 int f = MSG_NOSIGNAL;
761         ], [
762                 # Yes, we have it...
763                 AC_MSG_RESULT(yes)
764                 AC_DEFINE(HAVE_MSG_NOSIGNAL)
765         ], [
766                 # We'll have to use signals
767                 AC_MSG_RESULT(no)
768         ])
769
770         dnl *****************************
771         dnl *** Checks for SOL_IP     ***
772         dnl *****************************
773         AC_MSG_CHECKING(for SOL_IP)
774         AC_TRY_COMPILE([#include <netdb.h>], [
775                 int level = SOL_IP;
776         ], [
777                 # Yes, we have it...
778                 AC_MSG_RESULT(yes)
779                 AC_DEFINE(HAVE_SOL_IP)
780         ], [
781                 # We'll have to use getprotobyname
782                 AC_MSG_RESULT(no)
783         ])
784
785         dnl *****************************
786         dnl *** Checks for SOL_IPV6     ***
787         dnl *****************************
788         AC_MSG_CHECKING(for SOL_IPV6)
789         AC_TRY_COMPILE([#include <netdb.h>], [
790                 int level = SOL_IPV6;
791         ], [
792                 # Yes, we have it...
793                 AC_MSG_RESULT(yes)
794                 AC_DEFINE(HAVE_SOL_IPV6)
795         ], [
796                 # We'll have to use getprotobyname
797                 AC_MSG_RESULT(no)
798         ])
799
800         dnl *****************************
801         dnl *** Checks for SOL_TCP    ***
802         dnl *****************************
803         AC_MSG_CHECKING(for SOL_TCP)
804         AC_TRY_COMPILE([#include <netdb.h>], [
805                 int level = SOL_TCP;
806         ], [
807                 # Yes, we have it...
808                 AC_MSG_RESULT(yes)
809                 AC_DEFINE(HAVE_SOL_TCP)
810         ], [
811                 # We'll have to use getprotobyname
812                 AC_MSG_RESULT(no)
813         ])
814
815         dnl *****************************
816         dnl *** Checks for IP_PKTINFO ***
817         dnl *****************************
818         AC_MSG_CHECKING(for IP_PKTINFO)
819         AC_TRY_COMPILE([#include <netdb.h>], [
820                 int level = IP_PKTINFO;
821         ], [
822                 # Yes, we have it...
823                 AC_MSG_RESULT(yes)
824                 AC_DEFINE(HAVE_IP_PKTINFO)
825         ], [
826                 AC_MSG_RESULT(no)
827         ])
828
829         dnl *****************************
830     dnl *** Checks for IPV6_PKTINFO ***
831     dnl *****************************
832     AC_MSG_CHECKING(for IPV6_PKTINFO)
833     AC_TRY_COMPILE([#include <netdb.h>], [
834         int level = IPV6_PKTINFO;
835     ], [
836         # Yes, we have it...
837         AC_MSG_RESULT(yes)
838         AC_DEFINE(HAVE_IPV6_PKTINFO)
839     ], [
840         AC_MSG_RESULT(no)
841     ])
842  
843         dnl *********************************
844         dnl *** Check for struct ip_mreqn ***
845         dnl *********************************
846         AC_MSG_CHECKING(for struct ip_mreqn)
847         AC_TRY_COMPILE([#include <netinet/in.h>], [
848                 struct ip_mreqn mreq;
849                 mreq.imr_address.s_addr = 0;
850         ], [
851                 # Yes, we have it...
852                 AC_MSG_RESULT(yes)
853                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
854         ], [
855                 # We'll just have to try and use struct ip_mreq
856                 AC_MSG_RESULT(no)
857                 AC_MSG_CHECKING(for struct ip_mreq)
858                 AC_TRY_COMPILE([#include <netinet/in.h>], [
859                         struct ip_mreq mreq;
860                         mreq.imr_interface.s_addr = 0;
861                 ], [
862                         # Yes, we have it...
863                         AC_MSG_RESULT(yes)
864                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
865                 ], [
866                         # No multicast support
867                         AC_MSG_RESULT(no)
868                 ])
869         ])
870         
871         dnl **********************************
872         dnl *** Check for gethostbyname2_r ***
873         dnl **********************************
874         AC_MSG_CHECKING(for gethostbyname2_r)
875                 AC_TRY_LINK([#include <netdb.h>], [
876                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
877         ], [
878                 # Yes, we have it...
879                 AC_MSG_RESULT(yes)
880                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R)
881         ], [
882                 AC_MSG_RESULT(no)
883         ])
884
885         dnl *****************************
886         dnl *** Checks for libnsl     ***
887         dnl *****************************
888         AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl")
889
890         AC_CHECK_FUNCS(inet_pton inet_aton)
891
892         dnl ***********************************************
893         dnl *** Checks for size of sockaddr_un.sun_path ***
894         dnl ***********************************************
895         # AC_CHECK_SIZEOF can't cope with struct members :-(
896         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
897         AC_CACHE_VAL(cv_mono_sizeof_sunpath,
898                 [AC_TRY_RUN([
899                         #include <sys/types.h>
900                         #include <stdio.h>
901                         #include <sys/un.h>
902
903                         int main(void) {
904                                 struct sockaddr_un sock_un;
905                                 FILE *f=fopen("conftestval", "w");
906                                 if(!f) exit(1);
907                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
908                                 exit(0);
909                         }
910                 ], cv_mono_sizeof_sunpath=`cat conftestval`,
911                    cv_mono_sizeof_sunpath=0,
912                    cv_mono_sizeof_sunpath=0)])dnl
913         AC_MSG_RESULT($cv_mono_sizeof_sunpath)
914         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $cv_mono_sizeof_sunpath)
915
916         dnl *************************************
917         dnl *** Checks for zero length arrays ***
918         dnl *************************************
919         AC_MSG_CHECKING(whether $CC supports zero length arrays)
920         AC_TRY_COMPILE([
921                 struct s {
922                         int  length;
923                         char data [0];
924                 };
925         ], [], [
926                 AC_MSG_RESULT(yes)
927                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0)
928         ], [
929                 AC_MSG_RESULT(no)
930                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1)
931         ])
932
933         dnl *****************************
934         dnl *** Checks for libxnet    ***
935         dnl *****************************
936         case "${host}" in
937                 *solaris* )
938                         AC_MSG_CHECKING(for Solaris XPG4 support)
939                         if test -f /usr/lib/libxnet.so; then
940                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
941                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
942                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
943                                 LIBS="$LIBS -lxnet"
944                                 AC_MSG_RESULT(yes)
945                         else
946                                 AC_MSG_RESULT(no)
947                         fi
948
949                         if test "$GCC" = "yes"; then
950                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
951                         fi
952                 ;;
953         esac
954
955         dnl *****************************
956         dnl *** Checks for libpthread ***
957         dnl *****************************
958 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
959 # and libpthread does not exist
960 #
961         case "${host}" in
962                 *-*-*freebsd4*)
963                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
964                 ;;
965                 *-*-*freebsd5*)
966                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
967                 ;;
968                 *-*-*freebsd6*)
969                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
970                 ;;
971                 *)
972                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
973                 ;;
974         esac
975         AC_CHECK_HEADERS(pthread.h)
976         AC_CHECK_FUNCS(pthread_mutex_timedlock)
977         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
978         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
979         AC_TRY_COMPILE([ #include <pthread.h>], [
980                 pthread_mutexattr_t attr;
981                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
982         ], [
983                 AC_MSG_RESULT(ok)
984         ], [
985                 AC_MSG_RESULT(no)
986                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
987                 AC_DEFINE(USE_MONO_MUTEX)
988         ])
989         AC_CHECK_FUNCS(pthread_attr_setstacksize)
990         AC_CHECK_FUNCS(pthread_attr_getstack)
991         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
992
993         dnl ***********************************
994         dnl *** Checks for working __thread ***
995         dnl ***********************************
996         AC_MSG_CHECKING(for working __thread)
997         if test "x$with_tls" != "x__thread"; then
998                 AC_MSG_RESULT(disabled)
999         else
1000                 AC_TRY_RUN([
1001                         #include <pthread.h>
1002                         __thread int i;
1003                         static int res1, res2;
1004
1005                         void thread_main (void *arg)
1006                         {
1007                                 i = arg;
1008                                 sleep (1);
1009                                 if (arg == 1)
1010                                         res1 = (i == arg);
1011                                 else
1012                                         res2 = (i == arg);
1013                         }
1014
1015                         int main () {
1016                                 pthread_t t1, t2;
1017
1018                                 i = 5;
1019
1020                                 pthread_create (&t1, NULL, thread_main, 1);
1021                                 pthread_create (&t2, NULL, thread_main, 2);
1022
1023                                 pthread_join (t1, NULL);
1024                                 pthread_join (t2, NULL);
1025
1026                                 return !(res1 + res2 == 2);
1027                         }
1028                 ], [
1029                                 AC_MSG_RESULT(yes)
1030                 ], [
1031                                 AC_MSG_RESULT(no)
1032                                 with_tls=pthread
1033                 ])
1034         fi
1035
1036         dnl **************************************
1037         dnl *** Checks for working sigaltstack ***
1038         dnl **************************************
1039         AC_MSG_CHECKING(for working sigaltstack)
1040         if test "x$with_sigaltstack" != "xyes"; then
1041                 AC_MSG_RESULT(disabled)
1042         else
1043                 AC_TRY_RUN([
1044                         #include <stdio.h>
1045                         #include <stdlib.h>
1046                         #include <unistd.h>
1047                         #include <signal.h>
1048                         #include <pthread.h>
1049                         #include <sys/wait.h>
1050                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1051                         #define SA_STACK SA_ONSTACK
1052                         #endif
1053                         static void
1054                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1055                         {
1056                                 exit (0);
1057                         }
1058
1059                         static void *
1060                         loop (void *ignored)
1061                         {
1062                                 char *ptr = NULL;
1063
1064                                 *ptr = 0;
1065                                 return NULL;
1066                         }
1067
1068                         static void
1069                         child ()
1070                         {
1071                                 struct sigaction sa;
1072                                 struct sigaltstack sas;
1073                                 pthread_t id;
1074                                 pthread_attr_t attr;
1075
1076                                 sa.sa_sigaction = sigsegv_signal_handler;
1077                                 sigemptyset (&sa.sa_mask);
1078                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1079                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1080                                         perror ("sigaction");
1081                                         return;
1082                                 }
1083
1084                                 sas.ss_sp = malloc (SIGSTKSZ);
1085                                 sas.ss_size = SIGSTKSZ;
1086                                 sas.ss_flags = 0;
1087                                 if (sigaltstack (&sas, NULL) == -1) {
1088                                         perror ("sigaltstack");
1089                                         return;
1090                                 }
1091
1092                                 pthread_attr_init (&attr);
1093                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1094                                         printf ("pthread_create\n");
1095                                         return;
1096                                 }
1097
1098                                 sleep (100);
1099                         }
1100
1101                         int
1102                         main ()
1103                         {
1104                                 pid_t son;
1105                                 int status;
1106                                 int i;
1107
1108                                 son = fork ();
1109                                 if (son == -1) {
1110                                         return 1;
1111                                 }
1112
1113                                 if (son == 0) {
1114                                         child ();
1115                                         return 0;
1116                                 }
1117
1118                                 for (i = 0; i < 3; ++i) {
1119                                         sleep (1);
1120                                         waitpid (son, &status, WNOHANG);
1121                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1122                                                 return 0;
1123                                 }
1124
1125                                 kill (son, SIGKILL);
1126                                 return 1;
1127                         }
1128
1129                 ], [
1130                                 AC_MSG_RESULT(yes)
1131                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK)
1132                 ], [
1133                                 with_sigaltstack=no
1134                                 AC_MSG_RESULT(no)
1135                 ])
1136         fi
1137
1138         dnl ********************************
1139         dnl *** Checks for semaphore lib ***
1140         dnl ********************************
1141         # 'Real Time' functions on Solaris
1142         # posix4 on Solaris 2.6
1143         # pthread (first!) on Linux
1144         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1145
1146         dnl ********************************
1147         dnl *** Checks for timezone stuff **
1148         dnl ********************************
1149         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1150                 AC_TRY_COMPILE([
1151                         #include <time.h>
1152                         ], [
1153                         struct tm tm;
1154                         tm.tm_gmtoff = 1;
1155                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1156         if test $ac_cv_struct_tm_gmtoff = yes; then
1157                 AC_DEFINE(HAVE_TM_GMTOFF)
1158         else
1159                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1160                         AC_TRY_COMPILE([
1161                                 #include <time.h>
1162                         ], [
1163                                 timezone = 1;
1164                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1165                 if test $ac_cv_var_timezone = yes; then
1166                         AC_DEFINE(HAVE_TIMEZONE)
1167                 else
1168                         AC_ERROR(unable to find a way to determine timezone)
1169                 fi
1170         fi
1171
1172         dnl *********************************
1173         dnl *** Checks for math functions ***
1174         dnl *********************************
1175         LIBS="$LIBS -lm";
1176         AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1177                 AC_TRY_LINK([#include <math.h>], 
1178                 [ finite(0.0); ], 
1179                 AC_DEFINE(HAVE_FINITE) AC_MSG_RESULT(yes),
1180                 AC_MSG_RESULT(no)))
1181         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1182                 AC_TRY_LINK([#include <math.h>], 
1183                 [ isfinite(0.0); ], 
1184                 AC_DEFINE(HAVE_ISFINITE) AC_MSG_RESULT(yes),
1185                 AC_MSG_RESULT(no)))
1186
1187         dnl ****************************************************************
1188         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1189         dnl *** have it in the library (duh))                            ***
1190         dnl ****************************************************************
1191         AC_CHECK_FUNCS(poll)
1192
1193         dnl *************************
1194         dnl *** Check for signbit ***
1195         dnl *************************
1196         AC_MSG_CHECKING(for signbit)
1197         AC_TRY_LINK([#include <math.h>], [
1198                 int s = signbit(1.0);
1199         ], [
1200                 AC_MSG_RESULT(yes)
1201                 AC_DEFINE(HAVE_SIGNBIT)
1202         ], [
1203                 AC_MSG_RESULT(no)
1204         ]) 
1205
1206         dnl *********************
1207         dnl *** Check for AIO ***
1208         dnl *********************
1209         AC_MSG_CHECKING([for SIGEV_THREAD definition])
1210         dnl Some systems (FreeBSD at least) may have aio_read
1211         dnl but don't support/define SIGEV_THREAD.
1212         AC_TRY_COMPILE([
1213         #include <sys/signal.h>
1214         ],[
1215         int x = SIGEV_THREAD;
1216         ],[
1217                 ac_cv_c_sigev_thread=yes
1218                 AC_MSG_RESULT(yes)
1219         ],[
1220                 AC_MSG_RESULT(no)
1221         ])
1222
1223         if test "$ac_cv_c_sigev_thread" = "yes" ; then
1224                 AC_CHECK_HEADERS(aio.h sys/aio.h)
1225                 AC_CHECK_LIB(rt, aio_read, [ LIBS="$LIBS -lrt" ],)
1226                 SIGVAL_PTR="undefined"
1227                 if test "$ac_cv_header_aio_h" = "yes" -o "$ac_cv_header_sys_aio_h" = "yes" ; then
1228                         AC_CHECK_MEMBER(union sigval.sigval_ptr,SIGVAL_PTR="sigval_ptr",, [
1229                                         #include <sys/signal.h>
1230                                         ])
1231                         AC_CHECK_MEMBER(union sigval.sival_ptr,SIGVAL_PTR="sival_ptr",, [
1232                                         #include <sys/signal.h>
1233                                         ])
1234                         if test "$SIGVAL_PTR" = "undefined" ; then
1235                                 AC_MSG_ERROR([Unable to detect field name in 'union sigval'])
1236                         fi
1237                 fi
1238                 AC_DEFINE_UNQUOTED(SIGVAL_PTR,$SIGVAL_PTR,[Pointer field name in 'union sigval'])
1239         fi
1240
1241         dnl **********************************
1242         dnl *** epoll                      ***
1243         dnl **********************************
1244         AC_CHECK_HEADERS(sys/epoll.h)
1245         haveepoll=no
1246         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1247         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1248                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1249         fi
1250
1251         dnl ******************************
1252         dnl *** Checks for SIOCGIFCONF ***
1253         dnl ******************************
1254         AC_CHECK_HEADERS(sys/ioctl.h)
1255         AC_CHECK_HEADERS(net/if.h)
1256         AC_MSG_CHECKING(for ifreq)
1257         AC_TRY_COMPILE([
1258                 #include <sys/ioctl.h>
1259                 #include <net/if.h>
1260                 ], [
1261                 struct ifconf ifc;
1262                 struct ifreq *ifr;
1263                 void *x;
1264                 ifc.ifc_len = 0;
1265                 ifc.ifc_buf = NULL;
1266                 x = (void *) &ifr->ifr_addr;
1267                 ],[
1268                         AC_MSG_RESULT(yes)
1269                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1270                 ], [
1271                         AC_MSG_RESULT(no)
1272                 ])
1273         dnl **********************************
1274         dnl *** Checks for MonoPosixHelper ***
1275         dnl **********************************
1276         AC_CHECK_FUNC(setkey, ,
1277                 AC_CHECK_LIB(crypt, setkey, [ 
1278                         AC_DEFINE(HAVE_SETKEY, 1, [Define if setkey(3) is available]) 
1279                         CRYPT_LIBS="-lcrypt" 
1280                 ])
1281         )
1282         AC_SUBST(CRYPT_LIBS)
1283         AC_CHECK_HEADERS(checklist.h)
1284         AC_CHECK_HEADERS(fstab.h)
1285         AC_CHECK_HEADERS(attr/xattr.h)
1286         AC_CHECK_HEADERS(sys/extattr.h)
1287         AC_CHECK_HEADERS(sys/sendfile.h)
1288         AC_CHECK_HEADERS(sys/statvfs.h)
1289         AC_CHECK_HEADERS(sys/vfstab.h)
1290         AC_CHECK_HEADERS(sys/xattr.h)
1291         AC_CHECK_HEADERS(sys/mman.h)
1292         AC_CHECK_FUNCS(getdomainname)
1293         AC_CHECK_FUNCS(setdomainname)
1294         AC_CHECK_FUNCS(fgetgrent)
1295         AC_CHECK_FUNCS(fgetpwent)
1296         AC_CHECK_FUNCS(fgetpwent)
1297         AC_CHECK_FUNCS(getfsstat)
1298         AC_CHECK_FUNCS(lutimes)
1299         AC_CHECK_FUNCS(mremap)
1300         AC_CHECK_FUNCS(remap_file_pages)
1301         AC_CHECK_FUNCS(posix_fadvise)
1302         AC_CHECK_FUNCS(posix_fallocate)
1303         AC_CHECK_FUNCS(posix_madvise)
1304         AC_CHECK_FUNCS(vsnprintf)
1305         AC_CHECK_FUNCS(sendfile)
1306         AC_CHECK_FUNCS(sethostid)
1307         AC_CHECK_FUNCS(statfs)
1308         AC_CHECK_FUNCS(fstatfs)
1309         AC_CHECK_FUNCS(statvfs)
1310         AC_CHECK_FUNCS(fstatvfs)
1311         AC_CHECK_FUNCS(stime)
1312         AC_CHECK_FUNCS(strerror_r)
1313         AC_CHECK_FUNCS(ttyname_r)
1314         AC_CHECK_SIZEOF(size_t)
1315         AC_CHECK_MEMBERS(
1316                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
1317                 [#include <sys/types.h>
1318                  #include <dirent.h>])
1319
1320         dnl Favour xattr through glibc, but use libattr if we have to
1321         AC_CHECK_FUNC(lsetxattr, ,
1322                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1323         )
1324         AC_SUBST(XATTR_LIB)
1325
1326         dnl *********************************
1327         dnl *** Check for Console 2.0 I/O ***
1328         dnl *********************************
1329         AC_CHECK_HEADERS([curses.h])
1330         AC_CHECK_HEADERS([term.h], [], [],
1331         [#if HAVE_CURSES_H
1332          #include <curses.h>
1333          #endif
1334         ])
1335         AC_CHECK_HEADERS([termios.h])
1336
1337         dnl * This is provided in io-layer, but on windows it's only available
1338         dnl * on xp+
1339         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1340 else
1341         jdk_headers_found=no
1342         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1343         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1344         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1345         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1346
1347         dnl *********************************
1348         dnl *** Check for struct ip_mreqn ***
1349         dnl *********************************
1350         AC_MSG_CHECKING(for struct ip_mreqn)
1351         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1352                 struct ip_mreqn mreq;
1353                 mreq.imr_address.s_addr = 0;
1354         ], [
1355                 # Yes, we have it...
1356                 AC_MSG_RESULT(yes)
1357                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1358         ], [
1359                 # We'll just have to try and use struct ip_mreq
1360                 AC_MSG_RESULT(no)
1361                 AC_MSG_CHECKING(for struct ip_mreq)
1362                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1363                         struct ip_mreq mreq;
1364                         mreq.imr_interface.s_addr = 0;
1365                 ], [
1366                         # Yes, we have it...
1367                         AC_MSG_RESULT(yes)
1368                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1369                 ], [
1370                         # No multicast support
1371                         AC_MSG_RESULT(no)
1372                 ])
1373         ])
1374         AC_CHECK_FUNCS(GetProcessId)
1375 fi
1376
1377 dnl socklen_t check
1378 AC_MSG_CHECKING(for socklen_t)
1379 AC_TRY_COMPILE([
1380 #include <sys/types.h>
1381 #include <sys/socket.h>
1382 ],[
1383   socklen_t foo;
1384 ],[
1385 ac_cv_c_socklen_t=yes
1386         AC_DEFINE(HAVE_SOCKLEN_T)
1387         AC_MSG_RESULT(yes)
1388 ],[
1389         AC_MSG_RESULT(no)
1390 ])
1391
1392 AC_MSG_CHECKING(for array element initalizer support)
1393 AC_TRY_COMPILE([#include <sys/socket.h>], [
1394         const int array[] = {[1] = 2,};
1395 ], [
1396         # Yes, we have it...
1397         AC_MSG_RESULT(yes)
1398         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1399 ], [
1400         # We'll have to use signals
1401         AC_MSG_RESULT(no)
1402 ])
1403
1404 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1405         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1406         AC_TRY_LINK([#include <math.h>], 
1407         [ static void *p = &trunc; ],
1408         [
1409                 AC_DEFINE(HAVE_TRUNC) 
1410                 AC_MSG_RESULT(yes)
1411                 ac_cv_trunc=yes
1412         ],
1413         AC_MSG_RESULT(no)))
1414
1415 if test "x$ac_cv_truncl" != "xyes"; then
1416    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL) LIBS="$LIBS -lsunmath"])
1417 fi
1418
1419 dnl ****************************
1420 dnl *** Look for /dev/random ***
1421 dnl ****************************
1422
1423 AC_MSG_CHECKING([if usage of random device is requested])
1424 AC_ARG_ENABLE(dev-random,
1425 [  --disable-dev-random    disable the use of the random device],
1426 try_dev_random=$enableval, try_dev_random=yes)
1427 AC_MSG_RESULT($try_dev_random)
1428
1429 case "{$target}" in
1430     *-openbsd*)
1431     NAME_DEV_RANDOM="/dev/srandom"
1432     ;;
1433
1434 dnl Win32 does not have /dev/random, they have their own method...
1435
1436     *-*-mingw*|*-*-cygwin*)
1437     ac_cv_have_dev_random=no
1438     ;;
1439
1440 dnl Everywhere else, it's /dev/random
1441
1442     *)
1443     NAME_DEV_RANDOM="/dev/random"
1444     ;;
1445 esac
1446
1447 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
1448
1449 dnl Now check if the device actually exists
1450
1451 if test "x$try_dev_random" = "xyes"; then
1452     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1453     [if test -r "$NAME_DEV_RANDOM" ; then
1454         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1455     if test "x$ac_cv_have_dev_random" = "xyes"; then
1456         AC_DEFINE(HAVE_CRYPT_RNG)
1457     fi
1458 else
1459     AC_MSG_CHECKING(for random device)
1460     ac_cv_have_dev_random=no
1461     AC_MSG_RESULT(has been disabled)
1462 fi
1463
1464 if test "x$platform_win32" = "xyes"; then
1465     AC_DEFINE(HAVE_CRYPT_RNG)
1466 fi
1467
1468 if test "x$ac_cv_have_dev_random" = "xno" \
1469     && test "x$platform_win32" = "xno"; then
1470     AC_MSG_WARN([[
1471 ***
1472 *** A system-provided entropy source was not found on this system.
1473 *** Because of this, the System.Security.Cryptography random number generator
1474 *** will throw a NotImplemented exception.
1475 ***
1476 *** If you are seeing this message, and you know your system DOES have an
1477 *** entropy collection in place, please contact <crichton@gimp.org> and
1478 *** provide information about the system and how to access the random device.
1479 ***
1480 *** Otherwise you can install either egd or prngd and set the environment
1481 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1482 ***]])
1483 fi
1484  
1485 AC_MSG_CHECKING([if inter-process shared handles are requested])
1486 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1487 AC_MSG_RESULT($try_shared_handles)
1488 if test "x$try_shared_handles" != "xyes"; then
1489         AC_DEFINE(DISABLE_SHARED_HANDLES)
1490         AC_SUBST(DISABLE_SHARED_HANDLES)
1491 fi
1492
1493 AC_ARG_ENABLE(nunit-tests, [ --enable-nunit-tests       Run the nunit tests of the class library on 'make check'])
1494 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1495
1496 TARGET="unknown"
1497 ACCESS_UNALIGNED="yes"
1498
1499 JIT_SUPPORTED=no
1500 INTERP_SUPPORTED=no
1501 LIBC="libc.so.6"
1502 INTL="libc.so.6"
1503 SQLITE="libsqlite.so.0"
1504 SQLITE3="libsqlite3.so.0"
1505 X11="libX11.so"
1506
1507 jit_wanted=false
1508 interp_wanted=false
1509 case "$host" in
1510 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1511 #               TARGET=MIPS;
1512 #               ACCESS_UNALIGNED="no"
1513 #               ;;
1514         i*86-*-*)
1515                 TARGET=X86;
1516                 arch_target=x86;
1517                 JIT_SUPPORTED=yes
1518                 jit_wanted=true
1519                 case $host_os in
1520                   solaris*)
1521                         LIBC="libc.so"
1522                         INTL="libintl.so"
1523
1524                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
1525                         # int astruct __attribute__ ((visibility ("hidden")));
1526                         # void foo ()
1527                         # {
1528                         #       void *p = &astruct;
1529                         # }
1530                         # gcc -fPIC --shared -o libfoo.so foo.c
1531                         # yields:
1532                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
1533                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
1534                         have_visibility_hidden=no
1535
1536                         libmono_ldflags="$libmono_ldflags $LIBS"
1537                 esac
1538                 ;;
1539         x86_64-*-* | amd64-*-*)
1540                 TARGET=AMD64;
1541                 arch_target=amd64;
1542                 JIT_SUPPORTED=yes
1543                 jit_wanted=true
1544                 ;;
1545         ia64-*-*)
1546                 TARGET=IA64
1547                 arch_target=ia64
1548                 ACCESS_UNALIGNED="no"
1549                 JIT_SUPPORTED=yes
1550                 jit_wanted=true
1551                 LIBC="libc.so.6.1"
1552                 INTL="libc.so.6.1"
1553                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
1554                 libmono_ldflags="-lunwind"
1555                 ;;
1556         sparc*-*-*)
1557                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
1558                    TARGET=SPARC64
1559                 else
1560                         TARGET=SPARC
1561                 fi
1562                 arch_target=sparc;
1563                 JIT_SUPPORTED=yes
1564                 ACCESS_UNALIGNED="no"
1565                 case $host_os in
1566                   linux*) ;;
1567                   *)
1568                         LIBC="libc.so"
1569                         INTL="libintl.so"
1570                         libmono_ldflags="$libmono_ldflags $LIBS"
1571                 esac
1572                 jit_wanted=true
1573                 if test x"$GCC" = xyes; then
1574                         # We don't support v8 cpus
1575                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
1576                 fi
1577                 if test x"$AR" = xfalse; then
1578                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
1579                 fi
1580                 ;;
1581        alpha*-*-linux* | alpha*-*-osf*)
1582                 TARGET=ALPHA;
1583                 ACCESS_UNALIGNED="no"
1584                 JIT_SUPPORTED=no
1585                 INTERP_SUPPORTED=yes
1586                 interp_wanted=true
1587                 arch_target=alpha;
1588                 case $host_os in
1589                   linux*)
1590                         LIBC="libc.so.6.1"
1591                         INTL="libc.so.6.1"
1592                 esac
1593                ;;
1594         *-*-mingw*|*-*-cygwin*)
1595                 INTL="intl"
1596                 ;;
1597         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1598                 TARGET=HPPA;
1599                 arch_target=hppa; 
1600                 LIBC="libc.sl"
1601                 ACCESS_UNALIGNED="no"
1602                 INTERP_SUPPORTED=yes
1603                 interp_wanted=true
1604                 ;;
1605         hppa*linux*)
1606                 TARGET=HPPA;
1607                 arch_target=hppa; 
1608                 ACCESS_UNALIGNED="no"
1609                 INTERP_SUPPORTED=yes
1610                 interp_wanted=true
1611                 ;;
1612         macppc-*-openbsd* | powerpc-*-linux* | powerpc-*-openbsd* | \
1613         powerpc-*-sysv* | powerpc-*-darwin*)
1614                 TARGET=POWERPC;
1615                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1616                 arch_target=ppc;
1617                 JIT_SUPPORTED=yes
1618                 jit_wanted=true
1619                 ;;
1620         arm*-linux*)
1621                 TARGET=ARM;
1622                 arch_target=arm;
1623                 ACCESS_UNALIGNED="no"
1624                 JIT_SUPPORTED=yes
1625                 jit_wanted=true
1626                 ;;
1627         s390-*-linux*)
1628                 TARGET=S390;
1629                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1630                 arch_target=s390;
1631                 ACCESS_UNALIGNED="no"
1632                 JIT_SUPPORTED=yes
1633                 jit_wanted=true
1634                 ;;
1635         s390x-*-linux*)
1636                 TARGET=S390x;
1637                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1638                 arch_target=s390x;
1639                 ACCESS_UNALIGNED="no"
1640                 JIT_SUPPORTED=yes
1641                 jit_wanted=true
1642                 ;;
1643 esac
1644
1645 if test "x$have_visibility_hidden" = "xyes"; then
1646    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
1647 fi
1648
1649 AC_ARG_WITH(jit, [  --with-jit=yes,no       If you want to build scripts that default to the JIT],[
1650         if test x$withval = xyes; then
1651            jit_wanted=true
1652         else
1653            jit_wanted=false
1654         fi
1655 ])
1656
1657 AC_ARG_WITH(interp, [  --with-interp=yes,no    If you want to build scripts that default to the interpreter],[
1658         if test x$withval = xyes; then
1659            interp_wanted=true
1660         else
1661            interp_wanted=false
1662         fi
1663 ])
1664
1665 USEJIT=false
1666 if test x$JIT_SUPPORTED = xyes; then
1667    if $jit_wanted; then
1668       USEJIT=true
1669       jit_status="Building and using the JIT"
1670    else
1671       if $interp_wanted; then
1672          jit_status="Building the JIT, defaulting to the interpreter"
1673       else
1674          AC_ERROR(No JIT or interpreter support available or selected.)
1675       fi
1676    fi
1677 else
1678    if test x$interp_wanted = xtrue; then
1679       jit_status="interpreter"
1680    else
1681       AC_ERROR(No JIT or interpreter support available or selected.)
1682    fi
1683 fi
1684
1685 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
1686
1687 libsuffix=".so"
1688
1689 case "$host" in
1690      *-*-darwin*)
1691         libsuffix=".dylib"
1692         LIBC="libc.dylib"
1693         INTL="libintl.dylib"
1694         SQLITE="libsqlite.0.dylib"
1695         SQLITE3="libsqlite3.0.dylib"
1696         X11="libX11.dylib"
1697         ;;
1698      *-*-*netbsd*)
1699         LIBC="libc.so.12"
1700         INTL="libintl.so.0"
1701         ;;
1702     *-*-*freebsd*)
1703         LIBC="libc.so"
1704         INTL="libintl.so"
1705         ;;
1706     *-*-*openbsd*)
1707         LIBC="libc.so"
1708         INTL="libintl.so"
1709         ;;
1710     *-*-*linux*)
1711         AC_PATH_X
1712         AC_MSG_CHECKING(for the soname of libX11.so)
1713         for i in $x_libraries /usr/lib /usr/lib64; do
1714                 for r in 4 5 6; do
1715                         if test -f $i/libX11.so.$r; then
1716                                 X11=libX11.so.$r
1717                                 AC_MSG_RESULT($X11)
1718                         fi
1719                 done
1720         done
1721         
1722         if test "x$X11" = "xlibX11.so"; then
1723                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? WinForms may not work...]);
1724         fi
1725         ;;
1726 esac
1727
1728
1729 AC_SUBST(libsuffix)
1730
1731 if test "x$TARGET" != "xAMD64"; then
1732    # valgrind headers don't compile under x86-64
1733    AC_CHECK_HEADERS(valgrind/memcheck.h)
1734 fi
1735
1736 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1737         if test "x$with_tls" = "x__thread"; then
1738                 #
1739                 # On some linux distributions, TLS works in executables, but linking 
1740                 # against a shared library containing TLS fails with:
1741                 # undefined reference to `__tls_get_addr'
1742                 #
1743                 rm -f conftest.c conftest.so conftest
1744                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
1745                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
1746                 $CC -o conftest conftest.so > /dev/null 2>&1
1747                 if test ! -f conftest; then
1748                    AC_MSG_WARN([Disabling usage of __thread.]);
1749                    with_tls=pthread
1750                 fi
1751                 rm -f conftest.c conftest.so conftest
1752         fi
1753 fi
1754
1755 mono_debugger_supported=no
1756 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1757         if test x$use_included_gc = xyes; then
1758                 case "$host" in
1759                 *-*-*linux*)
1760                         mono_debugger_supported=yes
1761                         ;;
1762                 esac
1763         fi
1764 fi
1765
1766 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
1767 if test "x$mono_debugger_supported" = "xyes"; then
1768         AC_DEFINE(MONO_DEBUGGER_SUPPORTED,1,[The Mono Debugger is supported on this platform])
1769 fi
1770 AC_MSG_RESULT($mono_debugger_supported)
1771 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
1772
1773 if test "x$with_tls" = "x__thread"; then
1774         AC_DEFINE(HAVE_KW_THREAD)
1775         # Pass the information to libgc
1776         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
1777         AC_MSG_CHECKING(if the tls_model attribute is supported)
1778         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
1779                 ], [
1780                         AC_MSG_RESULT(yes)
1781                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
1782                 ], [
1783                         AC_MSG_RESULT(no)
1784         ])
1785 fi
1786
1787 if test ${TARGET} = ARM; then
1788         dnl ******************************************
1789         dnl *** Check to see what FPU is available ***
1790         dnl ******************************************
1791         AC_MSG_CHECKING(which FPU to use)
1792
1793         AC_TRY_COMPILE([], [
1794                 __asm__ ("ldfd f0, [r0]");
1795                 ], fpu=FPA, [
1796                         AC_TRY_COMPILE([], [
1797                                 __asm__ ("fldd d0, [r0]");
1798                         ], fpu=VFP, fpu=NONE)
1799                 ])
1800
1801         AC_MSG_RESULT($fpu)
1802         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu"
1803         unset fpu
1804 fi
1805
1806 if test ${TARGET} = unknown; then
1807         CPPFLAGS="$CPPFLAGS -DNO_PORT"
1808         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
1809 fi
1810
1811 if test ${ACCESS_UNALIGNED} = no; then
1812         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
1813 fi
1814
1815 PREVIEW=yes
1816 AC_ARG_WITH(preview, [ --with-preview=yes,no     If you want to install the 2.0 FX preview],[
1817         if test x$with_preview = xno; then
1818               PREVIEW=no
1819         fi
1820 ])
1821
1822 AM_CONDITIONAL(INSTALL_2_0, test x$PREVIEW = xyes)
1823
1824 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
1825 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
1826 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
1827 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
1828 AM_CONDITIONAL(X86, test x$TARGET = xX86)
1829 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
1830 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
1831 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
1832 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
1833 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
1834 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
1835 AM_CONDITIONAL(S390, test x$TARGET = xS390)
1836 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
1837 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
1838
1839 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
1840 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
1841 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
1842
1843 AC_SUBST(LIBC)
1844 AC_SUBST(INTL)
1845 AC_SUBST(SQLITE)
1846 AC_SUBST(SQLITE3)
1847 AC_SUBST(X11)
1848
1849 AC_SUBST(arch_target)
1850 AC_SUBST(CFLAGS)
1851 AC_SUBST(CPPFLAGS)
1852 AC_SUBST(LDFLAGS)
1853
1854 mono_build_root=`pwd`
1855 AC_SUBST(mono_build_root)
1856
1857 if test x$USEJIT = xtrue; then
1858   mono_runtime=mono/mini/mono
1859 else
1860   mono_runtime=mono/interpreter/mint
1861 fi
1862 AC_SUBST(mono_runtime)
1863
1864 mono_cfg_root=$mono_build_root/runtime
1865 if test x$platform_win32 = xyes; then
1866   mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
1867 else
1868   mono_cfg_dir=$mono_cfg_root/etc
1869 fi
1870 AC_SUBST(mono_cfg_dir)
1871
1872 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
1873 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
1874 AC_CONFIG_FILES([runtime/semdel-wrapper],[chmod +x runtime/semdel-wrapper])
1875
1876 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
1877 [   depth=../../../..
1878     case $srcdir in
1879     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1880     .) reldir=$depth ;;
1881     *) reldir=$depth/$srcdir ;;
1882     esac
1883     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
1884     cd runtime/etc/mono/1.0
1885     rm -f machine.config
1886     $LN_S $reldir/data/net_1_1/machine.config machine.config
1887     cd $depth
1888 ],[LN_S='$LN_S'])
1889
1890 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
1891 [   depth=../../../..
1892     case $srcdir in
1893     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1894     .) reldir=$depth ;;
1895     *) reldir=$depth/$srcdir ;;
1896     esac
1897     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
1898     cd runtime/etc/mono/2.0
1899     rm -f machine.config
1900     $LN_S $reldir/data/net_2_0/machine.config machine.config
1901     cd $depth
1902 ],[LN_S='$LN_S'])
1903
1904 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
1905 [   depth=../../../..
1906     case $srcdir in
1907     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1908     .) reldir=$depth ;;
1909     *) reldir=$depth/$srcdir ;;
1910     esac
1911     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
1912     cd runtime/etc/mono/2.0
1913     rm -f web.config
1914     $LN_S $reldir/data/net_2_0/web.config web.config
1915     cd $depth
1916 ],[LN_S='$LN_S'])
1917
1918 AC_OUTPUT([
1919 Makefile
1920 mint.pc
1921 mono.pc
1922 mono-cairo.pc
1923 dotnet.pc
1924 mono-uninstalled.pc
1925 scripts/mono-nunit.pc
1926 scripts/mono-find-provides
1927 scripts/mono-find-requires
1928 mono/Makefile
1929 mono/utils/Makefile
1930 mono/metadata/Makefile
1931 mono/dis/Makefile
1932 mono/cil/Makefile
1933 mono/arch/Makefile
1934 mono/os/Makefile
1935 mono/arch/x86/Makefile
1936 mono/arch/amd64/Makefile
1937 mono/arch/hppa/Makefile
1938 mono/arch/ppc/Makefile
1939 mono/arch/sparc/Makefile
1940 mono/arch/s390/Makefile
1941 mono/arch/s390x/Makefile
1942 mono/arch/arm/Makefile
1943 mono/arch/alpha/Makefile
1944 mono/arch/ia64/Makefile
1945 mono/interpreter/Makefile
1946 mono/tests/Makefile
1947 mono/tests/tests-config
1948 mono/tests/cas/Makefile
1949 mono/tests/cas/assembly/Makefile
1950 mono/tests/cas/demand/Makefile
1951 mono/tests/cas/inheritance/Makefile
1952 mono/tests/cas/linkdemand/Makefile
1953 mono/tests/cas/threads/Makefile
1954 mono/benchmark/Makefile
1955 mono/monoburg/Makefile
1956 mono/monograph/Makefile
1957 mono/io-layer/Makefile
1958 mono/mini/Makefile
1959 mono/profiler/Makefile
1960 ikvm-native/Makefile
1961 scripts/Makefile
1962 man/Makefile
1963 web/Makefile
1964 docs/Makefile
1965 data/Makefile
1966 data/net_1_1/Makefile
1967 data/net_2_0/Makefile
1968 samples/Makefile
1969 support/Makefile
1970 data/config
1971 tools/Makefile
1972 tools/locale-builder/Makefile
1973 runtime/Makefile
1974 ])
1975
1976 if test x$platform_win32 = xyes; then
1977    # Get rid of 'cyg' prefixes in library names
1978    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
1979    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
1980    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
1981    # executable doesn't work...
1982    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
1983 fi
1984
1985 (
1986   case $prefix in
1987   NONE) prefix=$ac_default_prefix ;;
1988   esac
1989   case $exec_prefix in
1990   NONE) exec_prefix='${prefix}' ;;
1991   esac
1992
1993   test -w $srcdir/$mcsdir/build || chmod +w $srcdir/$mcsdir/build
1994
1995   #
1996   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
1997   # any existing config.make.  This allows people to share the same source tree
1998   # with different build directories, one native and one cross
1999   #
2000   if test x$cross_compiling = xno; then
2001     echo "prefix=$prefix" > $srcdir/$mcsdir/build/config.make
2002     echo "exec_prefix=$exec_prefix" >> $srcdir/$mcsdir/build/config.make
2003     echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$mcsdir/build/config.make
2004     echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$mcsdir/build/config.make
2005     echo 'IL_FLAGS = /debug' >> $srcdir/$mcsdir/build/config.make
2006     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$mcsdir/build/config.make
2007     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $srcdir/$mcsdir/build/config.make
2008
2009     case $INSTALL in
2010     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
2011     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
2012     esac
2013
2014     echo "INSTALL = $mcs_INSTALL" >> $srcdir/$mcsdir/build/config.make
2015
2016     export VERSION
2017     [myver=$($AWK 'BEGIN {
2018       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
2019       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
2020     }')]
2021
2022     echo "MONO_VERSION = $myver" >> $srcdir/$mcsdir/build/config.make
2023   fi
2024 )
2025
2026 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
2027
2028 echo "
2029         mcs source:  $mcs_topdir
2030         GC:          $gc
2031         TLS:         $with_tls
2032         SIGALTSTACK: $with_sigaltstack
2033         Engine:      $jit_status
2034         2.0 Alpha:   $PREVIEW
2035         JNI support: $jdk_headers_found
2036         libgdiplus:  $libgdiplus_msg
2037         $disabled
2038
2039 "
2040 if test x$gc = xsgen; then
2041         echo IMPORTANT:
2042         echo IMPORTANT: You have selected an experimental, work-in-progress 
2043         echo IMPORTANT: GC engine.  This GC engine is currently not supported
2044         echo IMPORTANT: and is not yet ready for use.  
2045         echo IMPORTANT:
2046         echo IMPORTANT: There are known problems with it, use at your own risk.
2047 fi