2007-06-13 Jonathan Pobst <monkey@jpobst.com>
[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,1.2.4)
10 AM_MAINTAINER_MODE
11
12 API_VER=1.0
13 AC_SUBST(API_VER)
14
15 AC_PROG_LN_S
16
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
22
23
24 dnl
25 dnl libgc checks
26 dnl
27
28 gc_headers=no
29 gc=included
30 use_included_gc=no
31 libgc_configure_args=
32
33 if test -d $srcdir/libgc ; then
34   gc_default=included
35 else
36   gc_default=boehm
37 fi
38
39 #
40 # These are the flags that need to be stored in the mono.pc file for 
41 # compiling code that will embed Mono
42 #
43 libmono_cflags=""
44 libmono_ldflags=""
45 AC_SUBST(libmono_cflags)
46 AC_SUBST(libmono_ldflags)
47 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
48 AC_SUBST(export_ldflags)
49
50 # Variable to have relocatable .pc files (lib, or lib64)
51 reloc_libdir=`basename ${libdir}`
52 AC_SUBST(reloc_libdir)
53
54 dnl if linker handles the version script
55 no_version_script=no
56
57 # Set to yes if Unix sockets cannot be created in an anonymous namespace
58 need_link_unlink=no
59
60 # Thread configuration inspired by sleepycat's db
61 AC_MSG_CHECKING([host platform characteristics])
62 libgc_threads=no
63 case "$host" in
64         *-*-mingw*|*-*-cygwin*)
65                 platform_win32=yes
66                 AC_DEFINE(PLATFORM_WIN32,1,[Platform is Win32])
67                 if test "x$cross_compiling" = "xno"; then
68                         CC="gcc -mno-cygwin -g"
69                         # So libgc configure gets -mno-cygwin
70                         export CC
71                 fi
72                 HOST_CC="gcc"
73                 CPPFLAGS="$CPPFLAGS -DWIN32_THREADS -DFD_SETSIZE=1024 -DUNICODE -D_UNICODE"
74                 libmono_cflags="-mno-cygwin"
75                 libmono_ldflags="-mno-cygwin"
76                 libdl=
77                 libgc_threads=win32
78                 gc_default=included
79                 with_sigaltstack=no
80                 LN_S=cp
81                 # This forces libgc to use the DllMain based thread registration code on win32
82                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
83                 ;;
84         *-*-*netbsd*)
85                 platform_win32=no
86                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
87                 libmono_cflags="-D_REENTRANT"
88                 LDFLAGS="$LDFLAGS -pthread"
89                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
90                 libmono_ldflags="-pthread"
91                 need_link_unlink=yes
92                 libdl="-ldl"
93                 libgc_threads=pthreads
94                 with_sigaltstack=no
95                 ;;
96 # these flags will work for all versions of -STABLE
97 #
98         *-*-*freebsd4*)
99                 platform_win32=no
100                 if test "x$PTHREAD_CFLAGS" = "x"; then
101                         CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
102                         libmono_cflags="-D_THREAD_SAFE"
103                 else
104                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
105                         libmono_cflags="$PTHREAD_CFLAGS"
106                 fi
107                 if test "x$PTHREAD_LIBS" = "x"; then
108                         LDFLAGS="$LDFLAGS -pthread"
109                         libmono_ldflags="-pthread"
110                 else
111                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
112                         libmono_ldflags="$PTHREAD_LIBS"
113                 fi
114                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD4"
115                 need_link_unlink=yes
116                 AC_DEFINE(PTHREAD_POINTER_ID)
117                 libdl=
118                 libgc_threads=pthreads
119 # TLS isn't implemented at all on 4-STABLE
120                 with_tls=pthread
121                 ;;
122         *-*-*freebsd5*)
123                 platform_win32=no
124                 if test "x$PTHREAD_CFLAGS" = "x"; then
125                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
126                         libmono_cflags=
127                 else
128                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
129                         libmono_cflags="$PTHREAD_CFLAGS"
130                 fi
131                 if test "x$PTHREAD_LIBS" = "x"; then
132                         LDFLAGS="$LDFLAGS -pthread"
133                         libmono_ldflags="-pthread"
134                 else
135                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
136                         libmono_ldflags="$PTHREAD_LIBS"
137                 fi
138                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD5"
139                 need_link_unlink=yes
140                 AC_DEFINE(PTHREAD_POINTER_ID)
141                 libdl=
142                 with_sigaltstack=yes
143                 libgc_threads=pthreads
144 # TLS is only partially implemented on 5-STABLE (compiler support
145 # but NOT library support)
146 #
147                 with_tls=pthread
148                 ;;
149         *-*-*freebsd6*)
150                 platform_win32=no
151                 if test "x$PTHREAD_CFLAGS" = "x"; then
152                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
153                         libmono_cflags=
154                 else
155                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
156                         libmono_cflags="$PTHREAD_CFLAGS"
157                 fi
158                 if test "x$PTHREAD_LIBS" = "x"; then
159                         LDFLAGS="$LDFLAGS -pthread"
160                         libmono_ldflags="-pthread"
161                 else
162                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
163                         libmono_ldflags="$PTHREAD_LIBS"
164                 fi
165                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD6"
166                 need_link_unlink=yes
167                 AC_DEFINE(PTHREAD_POINTER_ID)
168                 libdl=
169                 libgc_threads=pthreads
170                 with_sigaltstack=yes
171 # TLS is only partially implemented on -CURRENT (compiler support
172 # but NOT library support)
173 #
174                 with_tls=pthread
175                 ;;
176         *-*-*openbsd*)
177                 platform_win32=no
178                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
179                 libmono_cflags="-D_THREAD_SAFE"
180                 LDFLAGS="$LDFLAGS -pthread"
181                 libmono_ldflags="-pthread"
182                 need_link_unlink=yes
183                 AC_DEFINE(PTHREAD_POINTER_ID)
184                 libdl=
185                 libgc_threads=pthreads
186                 ;;
187         *-*-linux*)
188                 platform_win32=no
189                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP"
190                 libmono_cflags="-D_REENTRANT"
191                 libmono_ldflags="-lpthread"
192                 libdl="-ldl"
193                 libgc_threads=pthreads
194                 ;;
195         *-*-hpux*)
196         platform_win32=no
197                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
198                 # +ESdbgasm only valid on bundled cc on RISC
199                 # silently ignored for ia64
200                 if test $GCC != "yes"; then
201                         CFLAGS="$CFLAGS +ESdbgasm"
202                         # Arrange for run-time dereferencing of null
203                         # pointers to produce a SIGSEGV signal.
204                         LDFLAGS="$LDFLAGS -z"
205                 fi
206                 CFLAGS="$CFLAGS +ESdbgasm"
207                 LDFLAGS="$LDFLAGS -z"
208                 libmono_cflags="-D_REENTRANT"
209                 libmono_ldflags="-lpthread"
210                 libgc_threads=pthreads
211                 need_link_unlink=yes
212                 ;;
213         *-*-solaris*)
214                 platform_win32=no
215                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP"
216                 need_link_unlink=yes
217                 libmono_cflags="-D_REENTRANT"
218                 libgc_threads=pthreads
219                 # This doesn't seem to work on solaris/x86, but the configure test runs
220                 with_tls=pthread
221                 ;;
222         *-*-darwin*)
223                 platform_win32=no
224                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
225                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess"
226                 libmono_cflags="-D_THREAD_SAFE"
227                 LDFLAGS="$LDFLAGS -pthread"
228                 libmono_ldflags="-pthread"
229                 need_link_unlink=yes
230                 AC_DEFINE(PTHREAD_POINTER_ID)
231                 AC_DEFINE(USE_MACH_SEMA)
232                 no_version_script=yes
233                 libdl=
234                 libgc_threads=pthreads
235                 ;;
236         *)
237                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
238                 platform_win32=no
239                 libdl="-ldl"
240                 ;;
241 esac
242 AC_MSG_RESULT(ok)
243
244 if test x$need_link_unlink = xyes; then
245    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
246 fi
247
248 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
249
250 AC_CHECK_TOOL(CC, gcc, gcc)
251 AC_PROG_CC
252 AM_PROG_AS
253 AM_PROG_CC_STDC
254 AC_PROG_INSTALL
255 AC_PROG_AWK
256 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
257 : ${CCAS='$(CC)'}
258 # Set ASFLAGS if not already set.
259 : ${CCASFLAGS='$(CFLAGS)'}
260 AC_SUBST(CCAS)
261 AC_SUBST(CCASFLAGS)
262
263 AC_CHECK_PROG(BISON, bison,yes,no)
264 if test "x$BISON" = "xno";
265 then
266         AC_MSG_ERROR([You need to install bison])
267 fi
268
269 dnl may require a specific autoconf version
270 dnl AC_PROG_CC_FOR_BUILD
271 dnl CC_FOR_BUILD not automatically detected
272 CC_FOR_BUILD=$CC
273 CFLAGS_FOR_BUILD=$CFLAGS
274 BUILD_EXEEXT=
275 if test "x$cross_compiling" = "xyes"; then
276         CC_FOR_BUILD=cc
277         CFLAGS_FOR_BUILD=
278         BUILD_EXEEXT=""
279 fi
280 AC_SUBST(CC_FOR_BUILD)
281 AC_SUBST(CFLAGS_FOR_BUILD)
282 AC_SUBST(HOST_CC)
283 AC_SUBST(BUILD_EXEEXT)
284
285 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
286
287 # Set STDC_HEADERS
288 AC_HEADER_STDC
289 AC_LIBTOOL_WIN32_DLL
290 # This causes monodis to not link correctly
291 #AC_DISABLE_FAST_INSTALL
292 AM_PROG_LIBTOOL
293
294 # Test whenever ld supports -version-script
295 AC_PROG_LD
296 AC_PROG_LD_GNU
297 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
298    no_version_script=yes
299 fi
300
301 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
302
303 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h)
304
305 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
306 if test x$have_zlib = xyes; then
307    AC_TRY_COMPILE([#include <zlib.h>], [
308    void main () {
309    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
310    }
311    #else
312    #error No good zlib found
313    #endif
314    ],[
315         AC_MSG_RESULT(Using system zlib)
316         zlib_msg="system zlib"
317    ],[
318         AC_MSG_RESULT(Using embedded zlib)
319         have_zlib=no
320         zlib_msg="bundled zlib"
321    ])
322 fi
323
324 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
325 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
326
327 # for mono/metadata/debug-symfile.c
328 AC_CHECK_HEADERS(elf.h)
329
330 # for support
331 AC_CHECK_HEADERS(poll.h)
332 AC_CHECK_HEADERS(sys/poll.h)
333 AC_CHECK_HEADERS(sys/wait.h)
334 AC_CHECK_HEADERS(grp.h)
335 AC_CHECK_HEADERS(syslog.h)
336
337 # for mono/dis
338 AC_CHECK_HEADERS(wchar.h)
339 case "$host" in
340         *-*-*freebsd6*)
341                 AC_CHECK_HEADERS(ieeefp.h)
342         ;;
343         *-*-*freebsd*)
344                 /* Only freebsd6 has a working ieeefp.h */
345         ;;
346         *)
347                 AC_CHECK_HEADERS(ieeefp.h)
348         ;;
349 esac
350 AC_MSG_CHECKING(for isinf)
351 AC_TRY_LINK([#include <math.h>], [
352         int f = isinf (1);
353 ], [
354         AC_MSG_RESULT(yes)
355         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
356 ], [
357         # We'll have to use signals
358         AC_MSG_RESULT(no)
359 ])
360
361
362 # not 64 bit clean in cross-compile
363 AC_CHECK_SIZEOF(void *, 4)
364
365 WARN=''
366 if test x"$GCC" = xyes; then
367         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wcast-align -Wwrite-strings'
368                 # The runtime code does not respect ANSI C strict aliasing rules
369                 CFLAGS="$CFLAGS -fno-strict-aliasing"
370
371                 ORIG_CFLAGS=$CFLAGS
372                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
373                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
374                 AC_TRY_COMPILE([], [
375                                                    void main () { }
376                 ], [
377                    AC_MSG_RESULT(yes)
378                 ], [
379                    AC_MSG_RESULT(no)
380                    CFLAGS=$ORIG_CFLAGS
381                 ])
382 else
383         # The Sun Forte compiler complains about inline functions that access static variables
384         # so disable all inlining.
385         case "$host" in
386         *-*-solaris*)
387                 CFLAGS="$CFLAGS -Dinline="
388                 ;;
389         esac
390 fi
391 CFLAGS="$CFLAGS -g $WARN"
392
393 # Where's the 'mcs' source tree?
394 if test -d $srcdir/mcs; then
395   mcsdir=mcs
396 else
397   mcsdir=../mcs
398 fi
399
400 mcs_topdir='$(top_srcdir)/'$mcsdir
401 mcs_topdir_from_srcdir='$(top_builddir)/'$mcsdir
402
403 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
404 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
405
406 AC_SUBST([mcs_topdir])
407 AC_SUBST([mcs_topdir_from_srcdir])
408
409 AC_ARG_WITH([libgdiplus], 
410         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to NO)], 
411         [], [with_libgdiplus=installed])
412
413 case $with_libgdiplus in
414 no|installed) libgdiplus_loc= ;;
415 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
416 /*) libgdiplus_loc=$with_libgdiplus ;;
417 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
418 esac
419 AC_SUBST([libgdiplus_loc])
420
421 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
422 if test "x$PKG_CONFIG" = "xno"; then
423         AC_MSG_ERROR([You need to install pkg-config])
424 fi
425
426 pkg_config_path=
427 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir],
428         if test x$with_crosspkgdir = "x"; then
429                 if test -s $PKG_CONFIG_PATH; then
430                         pkg_config_path=$PKG_CONFIG_PATH
431                 fi
432         else
433                 pkg_config_path=$with_crosspkgdir
434                 PKG_CONFIG_PATH=$pkg_config_path
435                 export PKG_CONFIG_PATH
436         fi
437 )
438
439 AC_ARG_WITH([glib],
440         [  --with-glib=embedded|system       Choose glib API: system or embedded (default to system)],
441         [], [with_glib=system])
442
443 case $with_glib in
444 embedded) 
445   GLIB_CFLAGS='-I$(top_srcdir)/eglib/src'
446   GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
447   BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
448   BUILD_GLIB_LIBS="$GLIB_LIBS"
449   AC_CONFIG_SUBDIRS(eglib)
450   ;;
451 system)
452   BUILD_GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
453   BUILD_GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
454
455   ## Versions of dependencies
456   GLIB_REQUIRED_VERSION=1.3.11
457   
458   PKG_CHECK_MODULES(BASE_DEPENDENCIES, glib-2.0 >= $GLIB_REQUIRED_VERSION)
459   
460   GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
461   GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
462   GMODULE_CFLAGS=`$PKG_CONFIG --cflags gmodule-2.0`
463   GMODULE_LIBS=`$PKG_CONFIG --libs gmodule-2.0`
464   ;;
465 *)
466   AC_MSG_ERROR([Invalid argument to --with-glib.])
467 esac
468 AM_CONDITIONAL(EGLIB_BUILD, test x$with_glib = xembedded)
469   
470 AC_SUBST(GLIB_CFLAGS)
471 AC_SUBST(GLIB_LIBS)
472 AC_SUBST(GMODULE_CFLAGS)
473 AC_SUBST(GMODULE_LIBS)
474 AC_SUBST(BUILD_GLIB_CFLAGS)
475 AC_SUBST(BUILD_GLIB_LIBS)
476
477 if test x$cross_compiling$platform_win32 = xnoyes; then
478    AC_MSG_CHECKING(for cygwin glib2-dev package)
479    if [ cygcheck --f /usr/lib/libglib-2.0.dll.a | grep -q glib2-devel ]; then
480       AC_MSG_RESULT(found)
481           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.])
482    else
483       AC_MSG_RESULT(not found, ok)
484    fi
485
486    AC_MSG_CHECKING(for broken gwin32.h)
487    glib_include=`$PKG_CONFIG --cflags-only-I glib-2.0 | sed -e 's/ -I.*//g' | sed -e 's/-I//g'`
488    if test -f $glib_include/glib/gwin32.h; then
489           if [ grep ftruncate $glib_include/glib/gwin32.h | grep -q define ]; then
490                  AC_MSG_RESULT(failed)
491                  hashmark='#'
492                  AC_MSG_ERROR([Your version of gwin32.h is broken and will cause compilation errors when building mono. Please fix it by deleting the line: '$hashmark   define ftruncate...' from '$glib_include/glib/gwin32.h' then re-run configure.])
493           fi
494    fi
495    AC_MSG_RESULT(ok)
496 fi
497
498 AC_ARG_WITH(gc, [  --with-gc=boehm,included,none],[gc=$with_gc],[gc=$gc_default])
499
500 # Enable support for fast thread-local storage
501 # Some systems have broken support, so we allow to disable it.
502 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread       select Thread Local Storage implementation],[],[with_tls=__thread])
503
504 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
505 # This does not work on some platforms (bug #55253)
506 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack],[],[with_sigaltstack=no])
507
508 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster)],[],[with_static_mono=yes])
509
510 if test "x$enable_static" = "xno"; then
511    with_static_mono=no
512 fi
513
514 if test "x$platform_win32" = "xyes"; then
515    # Boehm GC requires the runtime to be in its own dll
516    with_static_mono=no
517 fi
518
519 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
520 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
521
522 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no      Enable Xen-specific behaviour],[],[with_xen_opt=yes])
523 if test "x$with_xen_opt" = "xyes"; then
524         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
525         ORIG_CFLAGS=$CFLAGS
526         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
527         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
528         AC_TRY_COMPILE([], [
529                                            void main () { }
530         ], [
531            AC_MSG_RESULT(yes)
532         ], [
533            AC_MSG_RESULT(no)
534            CFLAGS=$ORIG_CFLAGS
535         ])
536 fi
537
538 DISABLED_FEATURES=none
539
540 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
541   LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
542   reflection_emit, large_code, logging, com, ssa, generics.],
543 [
544         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
545                 eval "mono_feature_disable_$feature='yes'"
546                 AC_MSG_NOTICE([Disabled support for feature: $feature])
547         done
548         DISABLED_FEATURES=$enable_minimal
549         disabled="Disabled:    $enable_minimal"
550 ],[])
551
552 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
553
554 if test "x$mono_feature_disable_aot" = "xyes"; then
555         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT support])
556 fi
557
558 if test "x$mono_feature_disable_profiler" = "xyes"; then
559         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
560 fi
561
562 if test "x$mono_feature_disable_decimal" = "xyes"; then
563         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
564 fi
565
566 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
567         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
568 fi
569
570 if test "x$mono_feature_disable_debug" = "xyes"; then
571         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
572 fi
573
574 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
575         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
576 fi
577
578 if test "x$mono_feature_disable_large_code" = "xyes"; then
579         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
580 fi
581
582 if test "x$mono_feature_disable_logging" = "xyes"; then
583         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
584 fi
585
586 if test "x$mono_feature_disable_com" = "xyes"; then
587         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
588 fi
589
590 if test "x$mono_feature_disable_ssa" = "xyes"; then
591         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
592 fi
593
594 if test "x$mono_feature_disable_generics" = "xyes"; then
595         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
596 fi
597
598 AC_MSG_CHECKING(for visibility __attribute__)
599 AC_TRY_COMPILE([], [
600    void __attribute__ ((visibility ("hidden"))) doit (void) {}
601    void main () { doit (); }
602 ], [
603    have_visibility_hidden=yes
604    AC_MSG_RESULT(yes)
605 ], [
606    have_visibility_hidden=no
607    AC_MSG_RESULT(no)
608 ])
609
610 LIBGC_CFLAGS=
611 LIBGC_LIBS=
612 LIBGC_STATIC_LIBS=
613 libgc_dir=
614 case "x$gc" in
615         xboehm|xbohem|xyes)
616                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
617                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
618
619                 if test "x$found_boehm" != "xyes"; then
620                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
621                 fi
622                 if test "x$gc_headers" != "xyes"; then
623                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
624                 fi
625
626                 AC_DEFINE(HAVE_BOEHM_GC)
627                 AC_SUBST(HAVE_BOEHM_GC)
628                 LIBGC_LIBS="-lgc $libdl"
629                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
630
631                 # AC_CHECK_FUNCS does not work for some reason...
632                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
633                 if test "x$found_gcj_malloc" = "xyes"; then
634                         AC_DEFINE(HAVE_GC_GCJ_MALLOC)
635                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (with typed GC)", [GC description])
636                 else
637                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (no typed GC)", [GC description])
638                 fi
639                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
640                 if test "x$found_gc_enable" = "xyes"; then
641                         AC_DEFINE(HAVE_GC_ENABLE)
642                 fi
643                 ;;
644
645         xincluded)
646                 AC_CONFIG_SUBDIRS(libgc)
647
648                 # Pass CPPFLAGS to libgc configure
649                 # Maybe we should use a separate variable for this to avoid passing useless and
650                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
651                 export CPPFLAGS
652
653                 found_boehm=yes
654                 gc_headers=yes
655                 use_included_gc=yes
656                 libgc_dir=libgc
657
658                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
659                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
660                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
661
662                 AC_DEFINE(HAVE_BOEHM_GC)
663                 AC_SUBST(HAVE_BOEHM_GC)
664
665                 AC_DEFINE(HAVE_GC_H)
666                 AC_DEFINE(USE_INCLUDED_LIBGC)
667
668                 # The included libgc contains GCJ support
669                 AC_DEFINE(HAVE_GC_GCJ_MALLOC)
670                 AC_DEFINE(HAVE_GC_ENABLE)
671                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Included Boehm (with typed GC)", [GC description])
672                 ;;
673
674         xsgen)
675                 found_boehm=no
676                 gc_headers=no
677                 use_included_gc=no
678                 AC_DEFINE(HAVE_SGEN_GC,1,[Using the simple generational GC.])
679                 AC_DEFINE(HAVE_MOVING_COLLECTOR,1,[The GC can move objects.])
680                 AC_DEFINE(HAVE_WRITE_BARRIERS,1,[The GC needs write barriers.])
681                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Simple generational", [GC description])
682                 ;;
683
684         xnone)
685                 AC_MSG_WARN("Compiling mono without GC.")
686                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "none", [GC description])
687                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
688                 ;;
689         *)
690                 AC_MSG_ERROR([Invalid argument to --with-gc.])
691                 ;;
692 esac
693
694 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no    Enable support for GC heaps larger than 3GB], [large_heap=$withval], [large_heap=no])
695 if test "x$large_heap" = "xyes"; then
696    echo "FOO"
697    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
698 fi
699
700 # tell libgc/configure about what we want
701 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args"
702
703 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
704 AC_SUBST(LIBGC_CFLAGS)
705 AC_SUBST(LIBGC_LIBS)
706 AC_SUBST(LIBGC_STATIC_LIBS)
707 AC_SUBST(libgc_dir)
708
709 dnl
710 dnl End of libgc checks
711 dnl
712
713 if test x$platform_win32 = xno; then
714
715         dnl dynamic loader support
716         AC_CHECK_FUNC(dlopen, DL_LIB="",
717                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
718         )
719         if test x$dl_support = xno; then
720                 AC_MSG_WARN([No dynamic loading support available])
721         else
722                 LIBS="$LIBS $DL_LIB"
723                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
724                 dnl from glib's configure.in
725                 AC_CACHE_CHECK([for preceeding underscore in symbols],
726                         mono_cv_uscore,[
727                         AC_TRY_RUN([#include <dlfcn.h>
728                         int mono_underscore_test (void) { return 42; }
729                         int main() {
730                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
731                           handle = dlopen ((void*)0, 0);
732                           if (handle) {
733                             f1 = dlsym (handle, "mono_underscore_test");
734                             f2 = dlsym (handle, "_mono_underscore_test");
735                           } return (!f2 || f1);
736                         }],
737                                 [mono_cv_uscore=yes],
738                                 [mono_cv_uscore=no],
739                         [])
740                 ])
741                 if test "x$mono_cv_uscore" = "xyes"; then
742                         MONO_DL_NEED_USCORE=1
743                 else
744                         MONO_DL_NEED_USCORE=0
745                 fi
746                 AC_SUBST(MONO_DL_NEED_USCORE)
747                 AC_CHECK_FUNC(dlerror)
748         fi
749
750         dnl ******************************************************************
751         dnl *** Checks for the IKVM JNI interface library                  ***
752         dnl ******************************************************************
753         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no  build the IKVM JNI interface library],[with_ikvm_native=$withval],[with_ikvm_native=yes])
754
755         ikvm_native_dir=
756         if test x$with_ikvm_native = xyes; then
757                 ikvm_native_dir=ikvm-native
758                 jdk_headers_found="IKVM Native"
759         fi
760
761         AC_SUBST(ikvm_native_dir)
762
763         AC_CHECK_HEADERS(execinfo.h)
764
765         AC_CHECK_FUNCS(getgrgid_r)
766         AC_CHECK_FUNCS(getgrnam_r)
767         AC_CHECK_FUNCS(getpwnam_r)
768         AC_CHECK_FUNCS(getpwuid_r)
769         AC_CHECK_FUNCS(getresuid)
770         AC_CHECK_FUNCS(setresuid)
771         AC_CHECK_FUNCS(kqueue)
772         AC_CHECK_FUNCS(backtrace_symbols)
773         AC_CHECK_FUNCS(mkstemp)
774         AC_CHECK_FUNCS(mmap)
775         AC_CHECK_FUNCS(madvise)
776
777         dnl ******************************************************************
778         dnl *** Check for large file support                               ***
779         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
780         dnl ******************************************************************
781         
782         # Check that off_t can represent 2**63 - 1 correctly, working around
783         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
784         # CPPFLAGS and sets $large_offt to yes if the test succeeds
785         large_offt=no
786         AC_DEFUN([LARGE_FILES], [
787                 large_CPPFLAGS=$CPPFLAGS
788                 CPPFLAGS="$CPPFLAGS $1"
789                 AC_TRY_RUN([
790                         #include <sys/types.h>
791
792                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
793
794                         int main(void) {
795                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
796                                                (BIG_OFF_T%2147483647==1));
797                                 if(big_off_t) {
798                                         exit(0);
799                                 } else {
800                                         exit(1);
801                                 }
802                         }
803                 ], [
804                         AC_MSG_RESULT(ok)
805                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT)
806                         large_CPPFLAGS="$large_CPPFLAGS $1"
807                         large_offt=yes
808                 ], [
809                         AC_MSG_RESULT(no)
810                 ], "")
811                 CPPFLAGS=$large_CPPFLAGS
812         ])
813
814         AC_MSG_CHECKING(if off_t is 64 bits wide)
815         LARGE_FILES("")
816         if test $large_offt = no; then
817                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
818                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
819         fi
820         if test $large_offt = no; then
821                 AC_MSG_WARN([No 64 bit file size support available])
822         fi
823         
824         dnl *****************************
825         dnl *** Checks for libsocket  ***
826         dnl *****************************
827         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
828
829         dnl *******************************
830         dnl *** Checks for MSG_NOSIGNAL ***
831         dnl *******************************
832         AC_MSG_CHECKING(for MSG_NOSIGNAL)
833         AC_TRY_COMPILE([#include <sys/socket.h>], [
834                 int f = MSG_NOSIGNAL;
835         ], [
836                 # Yes, we have it...
837                 AC_MSG_RESULT(yes)
838                 AC_DEFINE(HAVE_MSG_NOSIGNAL)
839         ], [
840                 # We'll have to use signals
841                 AC_MSG_RESULT(no)
842         ])
843
844         dnl *****************************
845         dnl *** Checks for SOL_IP     ***
846         dnl *****************************
847         AC_MSG_CHECKING(for SOL_IP)
848         AC_TRY_COMPILE([#include <netdb.h>], [
849                 int level = SOL_IP;
850         ], [
851                 # Yes, we have it...
852                 AC_MSG_RESULT(yes)
853                 AC_DEFINE(HAVE_SOL_IP)
854         ], [
855                 # We'll have to use getprotobyname
856                 AC_MSG_RESULT(no)
857         ])
858
859         dnl *****************************
860         dnl *** Checks for SOL_IPV6     ***
861         dnl *****************************
862         AC_MSG_CHECKING(for SOL_IPV6)
863         AC_TRY_COMPILE([#include <netdb.h>], [
864                 int level = SOL_IPV6;
865         ], [
866                 # Yes, we have it...
867                 AC_MSG_RESULT(yes)
868                 AC_DEFINE(HAVE_SOL_IPV6)
869         ], [
870                 # We'll have to use getprotobyname
871                 AC_MSG_RESULT(no)
872         ])
873
874         dnl *****************************
875         dnl *** Checks for SOL_TCP    ***
876         dnl *****************************
877         AC_MSG_CHECKING(for SOL_TCP)
878         AC_TRY_COMPILE([#include <netdb.h>], [
879                 int level = SOL_TCP;
880         ], [
881                 # Yes, we have it...
882                 AC_MSG_RESULT(yes)
883                 AC_DEFINE(HAVE_SOL_TCP)
884         ], [
885                 # We'll have to use getprotobyname
886                 AC_MSG_RESULT(no)
887         ])
888
889         dnl *****************************
890         dnl *** Checks for IP_PKTINFO ***
891         dnl *****************************
892         AC_MSG_CHECKING(for IP_PKTINFO)
893         AC_TRY_COMPILE([#include <netdb.h>], [
894                 int level = IP_PKTINFO;
895         ], [
896                 # Yes, we have it...
897                 AC_MSG_RESULT(yes)
898                 AC_DEFINE(HAVE_IP_PKTINFO)
899         ], [
900                 AC_MSG_RESULT(no)
901         ])
902
903         dnl *****************************
904         dnl *** Checks for IPV6_PKTINFO ***
905         dnl *****************************
906         AC_MSG_CHECKING(for IPV6_PKTINFO)
907         AC_TRY_COMPILE([#include <netdb.h>], [
908                 int level = IPV6_PKTINFO;
909         ], [
910                 # Yes, we have it...
911                 AC_MSG_RESULT(yes)
912                 AC_DEFINE(HAVE_IPV6_PKTINFO)
913         ], [
914                 AC_MSG_RESULT(no)
915         ])
916
917         dnl **********************************
918         dnl *** Checks for IP_DONTFRAGMENT ***
919         dnl **********************************
920         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
921         AC_TRY_COMPILE([#include <netdb.h>], [
922                 int level = IP_DONTFRAGMENT;
923         ], [
924                 # Yes, we have it...
925                 AC_MSG_RESULT(yes)
926                 AC_DEFINE(HAVE_IP_DONTFRAGMENT)
927         ], [
928                 AC_MSG_RESULT(no)
929         ])
930
931         dnl **********************************
932         dnl *** Checks for IP_MTU_DISCOVER ***
933         dnl **********************************
934         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
935         AC_TRY_COMPILE([#include <netdb.h>], [
936                 int level = IP_MTU_DISCOVER;
937         ], [
938                 # Yes, we have it...
939                 AC_MSG_RESULT(yes)
940                 AC_DEFINE(HAVE_IP_MTU_DISCOVER)
941         ], [
942                 AC_MSG_RESULT(no)
943         ])
944
945         dnl *********************************
946         dnl *** Check for struct ip_mreqn ***
947         dnl *********************************
948         AC_MSG_CHECKING(for struct ip_mreqn)
949         AC_TRY_COMPILE([#include <netinet/in.h>], [
950                 struct ip_mreqn mreq;
951                 mreq.imr_address.s_addr = 0;
952         ], [
953                 # Yes, we have it...
954                 AC_MSG_RESULT(yes)
955                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
956         ], [
957                 # We'll just have to try and use struct ip_mreq
958                 AC_MSG_RESULT(no)
959                 AC_MSG_CHECKING(for struct ip_mreq)
960                 AC_TRY_COMPILE([#include <netinet/in.h>], [
961                         struct ip_mreq mreq;
962                         mreq.imr_interface.s_addr = 0;
963                 ], [
964                         # Yes, we have it...
965                         AC_MSG_RESULT(yes)
966                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
967                 ], [
968                         # No multicast support
969                         AC_MSG_RESULT(no)
970                 ])
971         ])
972         
973         dnl **********************************
974         dnl *** Check for gethostbyname2_r ***
975         dnl **********************************
976         AC_MSG_CHECKING(for gethostbyname2_r)
977                 AC_TRY_LINK([#include <netdb.h>], [
978                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
979         ], [
980                 # Yes, we have it...
981                 AC_MSG_RESULT(yes)
982                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R)
983         ], [
984                 AC_MSG_RESULT(no)
985         ])
986
987         dnl *****************************
988         dnl *** Checks for libnsl     ***
989         dnl *****************************
990         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
991
992         AC_CHECK_FUNCS(inet_pton inet_aton)
993
994         dnl ***********************************************
995         dnl *** Checks for size of sockaddr_un.sun_path ***
996         dnl ***********************************************
997         # AC_CHECK_SIZEOF can't cope with struct members :-(
998         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
999         AC_CACHE_VAL(cv_mono_sizeof_sunpath,
1000                 [AC_TRY_RUN([
1001                         #include <sys/types.h>
1002                         #include <stdio.h>
1003                         #include <sys/un.h>
1004
1005                         int main(void) {
1006                                 struct sockaddr_un sock_un;
1007                                 FILE *f=fopen("conftestval", "w");
1008                                 if(!f) exit(1);
1009                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1010                                 exit(0);
1011                         }
1012                 ], cv_mono_sizeof_sunpath=`cat conftestval`,
1013                    cv_mono_sizeof_sunpath=0,
1014                    cv_mono_sizeof_sunpath=0)])dnl
1015         AC_MSG_RESULT($cv_mono_sizeof_sunpath)
1016         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $cv_mono_sizeof_sunpath)
1017
1018         dnl *************************************
1019         dnl *** Checks for zero length arrays ***
1020         dnl *************************************
1021         AC_MSG_CHECKING(whether $CC supports zero length arrays)
1022         AC_TRY_COMPILE([
1023                 struct s {
1024                         int  length;
1025                         char data [0];
1026                 };
1027         ], [], [
1028                 AC_MSG_RESULT(yes)
1029                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0)
1030         ], [
1031                 AC_MSG_RESULT(no)
1032                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1)
1033         ])
1034
1035         dnl *****************************
1036         dnl *** Checks for libxnet    ***
1037         dnl *****************************
1038         case "${host}" in
1039                 *solaris* )
1040                         AC_MSG_CHECKING(for Solaris XPG4 support)
1041                         if test -f /usr/lib/libxnet.so; then
1042                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1043                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1044                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1045                                 LIBS="$LIBS -lxnet"
1046                                 AC_MSG_RESULT(yes)
1047                         else
1048                                 AC_MSG_RESULT(no)
1049                         fi
1050
1051                         if test "$GCC" = "yes"; then
1052                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1053                         fi
1054                 ;;
1055         esac
1056
1057         dnl *****************************
1058         dnl *** Checks for libpthread ***
1059         dnl *****************************
1060 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1061 # and libpthread does not exist
1062 #
1063         case "${host}" in
1064                 *-*-*freebsd4*)
1065                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1066                 ;;
1067                 *-*-*freebsd5*)
1068                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1069                 ;;
1070                 *-*-*freebsd6*)
1071                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1072                 ;;
1073                 *)
1074                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1075                 ;;
1076         esac
1077         AC_CHECK_HEADERS(pthread.h)
1078         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1079         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1080         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1081         AC_TRY_COMPILE([ #include <pthread.h>], [
1082                 pthread_mutexattr_t attr;
1083                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1084         ], [
1085                 AC_MSG_RESULT(ok)
1086         ], [
1087                 AC_MSG_RESULT(no)
1088                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1089                 AC_DEFINE(USE_MONO_MUTEX)
1090         ])
1091         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1092         AC_CHECK_FUNCS(pthread_attr_getstack)
1093         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1094
1095         dnl ***********************************
1096         dnl *** Checks for working __thread ***
1097         dnl ***********************************
1098         AC_MSG_CHECKING(for working __thread)
1099         if test "x$with_tls" != "x__thread"; then
1100                 AC_MSG_RESULT(disabled)
1101         else
1102                 AC_TRY_RUN([
1103                         #include <pthread.h>
1104                         __thread int i;
1105                         static int res1, res2;
1106
1107                         void thread_main (void *arg)
1108                         {
1109                                 i = arg;
1110                                 sleep (1);
1111                                 if (arg == 1)
1112                                         res1 = (i == arg);
1113                                 else
1114                                         res2 = (i == arg);
1115                         }
1116
1117                         int main () {
1118                                 pthread_t t1, t2;
1119
1120                                 i = 5;
1121
1122                                 pthread_create (&t1, NULL, thread_main, 1);
1123                                 pthread_create (&t2, NULL, thread_main, 2);
1124
1125                                 pthread_join (t1, NULL);
1126                                 pthread_join (t2, NULL);
1127
1128                                 return !(res1 + res2 == 2);
1129                         }
1130                 ], [
1131                                 AC_MSG_RESULT(yes)
1132                 ], [
1133                                 AC_MSG_RESULT(no)
1134                                 with_tls=pthread
1135                 ])
1136         fi
1137
1138         dnl **************************************
1139         dnl *** Checks for working sigaltstack ***
1140         dnl **************************************
1141         AC_MSG_CHECKING(for working sigaltstack)
1142         if test "x$with_sigaltstack" != "xyes"; then
1143                 AC_MSG_RESULT(disabled)
1144         else
1145                 AC_TRY_RUN([
1146                         #include <stdio.h>
1147                         #include <stdlib.h>
1148                         #include <unistd.h>
1149                         #include <signal.h>
1150                         #include <pthread.h>
1151                         #include <sys/wait.h>
1152                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1153                         #define SA_STACK SA_ONSTACK
1154                         #endif
1155                         static void
1156                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1157                         {
1158                                 exit (0);
1159                         }
1160
1161                         static void *
1162                         loop (void *ignored)
1163                         {
1164                                 char *ptr = NULL;
1165
1166                                 *ptr = 0;
1167                                 return NULL;
1168                         }
1169
1170                         static void
1171                         child ()
1172                         {
1173                                 struct sigaction sa;
1174                                 struct sigaltstack sas;
1175                                 pthread_t id;
1176                                 pthread_attr_t attr;
1177
1178                                 sa.sa_sigaction = sigsegv_signal_handler;
1179                                 sigemptyset (&sa.sa_mask);
1180                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1181                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1182                                         perror ("sigaction");
1183                                         return;
1184                                 }
1185
1186                                 sas.ss_sp = malloc (SIGSTKSZ);
1187                                 sas.ss_size = SIGSTKSZ;
1188                                 sas.ss_flags = 0;
1189                                 if (sigaltstack (&sas, NULL) == -1) {
1190                                         perror ("sigaltstack");
1191                                         return;
1192                                 }
1193
1194                                 pthread_attr_init (&attr);
1195                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1196                                         printf ("pthread_create\n");
1197                                         return;
1198                                 }
1199
1200                                 sleep (100);
1201                         }
1202
1203                         int
1204                         main ()
1205                         {
1206                                 pid_t son;
1207                                 int status;
1208                                 int i;
1209
1210                                 son = fork ();
1211                                 if (son == -1) {
1212                                         return 1;
1213                                 }
1214
1215                                 if (son == 0) {
1216                                         child ();
1217                                         return 0;
1218                                 }
1219
1220                                 for (i = 0; i < 3; ++i) {
1221                                         sleep (1);
1222                                         waitpid (son, &status, WNOHANG);
1223                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1224                                                 return 0;
1225                                 }
1226
1227                                 kill (son, SIGKILL);
1228                                 return 1;
1229                         }
1230
1231                 ], [
1232                                 AC_MSG_RESULT(yes)
1233                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK)
1234                 ], [
1235                                 with_sigaltstack=no
1236                                 AC_MSG_RESULT(no)
1237                 ])
1238         fi
1239
1240         dnl ********************************
1241         dnl *** Checks for semaphore lib ***
1242         dnl ********************************
1243         # 'Real Time' functions on Solaris
1244         # posix4 on Solaris 2.6
1245         # pthread (first!) on Linux
1246         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1247
1248         dnl ********************************
1249         dnl *** Checks for timezone stuff **
1250         dnl ********************************
1251         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1252                 AC_TRY_COMPILE([
1253                         #include <time.h>
1254                         ], [
1255                         struct tm tm;
1256                         tm.tm_gmtoff = 1;
1257                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1258         if test $ac_cv_struct_tm_gmtoff = yes; then
1259                 AC_DEFINE(HAVE_TM_GMTOFF)
1260         else
1261                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1262                         AC_TRY_COMPILE([
1263                                 #include <time.h>
1264                         ], [
1265                                 timezone = 1;
1266                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1267                 if test $ac_cv_var_timezone = yes; then
1268                         AC_DEFINE(HAVE_TIMEZONE)
1269                 else
1270                         AC_ERROR(unable to find a way to determine timezone)
1271                 fi
1272         fi
1273
1274         dnl *********************************
1275         dnl *** Checks for math functions ***
1276         dnl *********************************
1277         LIBS="$LIBS -lm";
1278         AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1279                 AC_TRY_LINK([#include <math.h>], 
1280                 [ finite(0.0); ], 
1281                 AC_DEFINE(HAVE_FINITE) AC_MSG_RESULT(yes),
1282                 AC_MSG_RESULT(no)))
1283         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1284                 AC_TRY_LINK([#include <math.h>], 
1285                 [ isfinite(0.0); ], 
1286                 AC_DEFINE(HAVE_ISFINITE) AC_MSG_RESULT(yes),
1287                 AC_MSG_RESULT(no)))
1288
1289         dnl ****************************************************************
1290         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1291         dnl *** have it in the library (duh))                            ***
1292         dnl ****************************************************************
1293         AC_CHECK_FUNCS(poll)
1294
1295         dnl *************************
1296         dnl *** Check for signbit ***
1297         dnl *************************
1298         AC_MSG_CHECKING(for signbit)
1299         AC_TRY_LINK([#include <math.h>], [
1300                 int s = signbit(1.0);
1301         ], [
1302                 AC_MSG_RESULT(yes)
1303                 AC_DEFINE(HAVE_SIGNBIT)
1304         ], [
1305                 AC_MSG_RESULT(no)
1306         ]) 
1307
1308         dnl **********************************
1309         dnl *** epoll                      ***
1310         dnl **********************************
1311         AC_CHECK_HEADERS(sys/epoll.h)
1312         haveepoll=no
1313         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1314         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1315                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1316         fi
1317
1318         dnl ******************************
1319         dnl *** Checks for SIOCGIFCONF ***
1320         dnl ******************************
1321         AC_CHECK_HEADERS(sys/ioctl.h)
1322         AC_CHECK_HEADERS(net/if.h)
1323         AC_MSG_CHECKING(for ifreq)
1324         AC_TRY_COMPILE([
1325                 #include <sys/ioctl.h>
1326                 #include <net/if.h>
1327                 ], [
1328                 struct ifconf ifc;
1329                 struct ifreq *ifr;
1330                 void *x;
1331                 ifc.ifc_len = 0;
1332                 ifc.ifc_buf = NULL;
1333                 x = (void *) &ifr->ifr_addr;
1334                 ],[
1335                         AC_MSG_RESULT(yes)
1336                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1337                 ], [
1338                         AC_MSG_RESULT(no)
1339                 ])
1340         dnl **********************************
1341         dnl *** Checks for MonoPosixHelper ***
1342         dnl **********************************
1343         AC_CHECK_HEADERS(checklist.h)
1344         AC_CHECK_HEADERS(fstab.h)
1345         AC_CHECK_HEADERS(attr/xattr.h)
1346         AC_CHECK_HEADERS(sys/extattr.h)
1347         AC_CHECK_HEADERS(sys/sendfile.h)
1348         AC_CHECK_HEADERS(sys/statvfs.h)
1349         AC_CHECK_HEADERS(sys/vfstab.h)
1350         AC_CHECK_HEADERS(sys/xattr.h)
1351         AC_CHECK_HEADERS(sys/mman.h)
1352         AC_CHECK_FUNCS(getdomainname)
1353         AC_CHECK_FUNCS(setdomainname)
1354         AC_CHECK_FUNCS(fgetgrent)
1355         AC_CHECK_FUNCS(fgetpwent)
1356         AC_CHECK_FUNCS(fgetpwent)
1357         AC_CHECK_FUNCS(getfsstat)
1358         AC_CHECK_FUNCS(lutimes)
1359         AC_CHECK_FUNCS(mremap)
1360         AC_CHECK_FUNCS(remap_file_pages)
1361         AC_CHECK_FUNCS(posix_fadvise)
1362         AC_CHECK_FUNCS(posix_fallocate)
1363         AC_CHECK_FUNCS(posix_madvise)
1364         AC_CHECK_FUNCS(vsnprintf)
1365         AC_CHECK_FUNCS(sendfile)
1366         AC_CHECK_FUNCS(sethostid)
1367         AC_CHECK_FUNCS(statfs)
1368         AC_CHECK_FUNCS(fstatfs)
1369         AC_CHECK_FUNCS(statvfs)
1370         AC_CHECK_FUNCS(fstatvfs)
1371         AC_CHECK_FUNCS(stime)
1372         AC_CHECK_FUNCS(strerror_r)
1373         AC_CHECK_FUNCS(ttyname_r)
1374         AC_CHECK_SIZEOF(size_t)
1375         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
1376                 [#include <sys/types.h>
1377                  #include <sys/stat.h>
1378                  #include <unistd.h>])
1379         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1380                 [#include <sys/types.h>
1381                  #include <sys/stat.h>
1382                  #include <unistd.h>])
1383         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1384                 [#include <sys/time.h>])
1385         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1386                 [#include <sys/poll.h>])
1387         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1388                 [#include <sys/types.h>
1389                  #include <sys/stat.h>
1390                  #include <unistd.h>])
1391         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1392                 [#include <sys/time.h>
1393                  #include <sys/types.h>
1394                  #include <utime.h>])
1395         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1396                 [#include <sys/time.h>])
1397         AC_CHECK_MEMBERS(
1398                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
1399                 [#include <sys/types.h>
1400                  #include <dirent.h>])
1401
1402         dnl Favour xattr through glibc, but use libattr if we have to
1403         AC_CHECK_FUNC(lsetxattr, ,
1404                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1405         )
1406         AC_SUBST(XATTR_LIB)
1407         
1408         dnl *********************************
1409         dnl *** Checks for Windows compilation ***
1410         dnl *********************************
1411         AC_CHECK_HEADERS(sys/time.h)
1412         AC_CHECK_HEADERS(sys/param.h)
1413
1414         dnl *********************************
1415         dnl *** Check for Console 2.0 I/O ***
1416         dnl *********************************
1417         AC_CHECK_HEADERS([curses.h])
1418         AC_CHECK_HEADERS([term.h], [], [],
1419         [#if HAVE_CURSES_H
1420          #include <curses.h>
1421          #endif
1422         ])
1423         AC_CHECK_HEADERS([termios.h])
1424
1425         dnl * This is provided in io-layer, but on windows it's only available
1426         dnl * on xp+
1427         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1428 else
1429         jdk_headers_found=no
1430         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1431         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1432         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1433         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
1434         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1435
1436         dnl *********************************
1437         dnl *** Check for struct ip_mreqn ***
1438         dnl *********************************
1439         AC_MSG_CHECKING(for struct ip_mreqn)
1440         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1441                 struct ip_mreqn mreq;
1442                 mreq.imr_address.s_addr = 0;
1443         ], [
1444                 # Yes, we have it...
1445                 AC_MSG_RESULT(yes)
1446                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1447         ], [
1448                 # We'll just have to try and use struct ip_mreq
1449                 AC_MSG_RESULT(no)
1450                 AC_MSG_CHECKING(for struct ip_mreq)
1451                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1452                         struct ip_mreq mreq;
1453                         mreq.imr_interface.s_addr = 0;
1454                 ], [
1455                         # Yes, we have it...
1456                         AC_MSG_RESULT(yes)
1457                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1458                 ], [
1459                         # No multicast support
1460                         AC_MSG_RESULT(no)
1461                 ])
1462         ])
1463         AC_CHECK_FUNCS(GetProcessId)
1464 fi
1465
1466 dnl socklen_t check
1467 AC_MSG_CHECKING(for socklen_t)
1468 AC_TRY_COMPILE([
1469 #include <sys/types.h>
1470 #include <sys/socket.h>
1471 ],[
1472   socklen_t foo;
1473 ],[
1474 ac_cv_c_socklen_t=yes
1475         AC_DEFINE(HAVE_SOCKLEN_T)
1476         AC_MSG_RESULT(yes)
1477 ],[
1478         AC_MSG_RESULT(no)
1479 ])
1480
1481 AC_MSG_CHECKING(for array element initalizer support)
1482 AC_TRY_COMPILE([#include <sys/socket.h>], [
1483         const int array[] = {[1] = 2,};
1484 ], [
1485         # Yes, we have it...
1486         AC_MSG_RESULT(yes)
1487         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1488 ], [
1489         # We'll have to use signals
1490         AC_MSG_RESULT(no)
1491 ])
1492
1493 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1494         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1495         AC_TRY_LINK([#include <math.h>], 
1496         [ static void *p = &trunc; ],
1497         [
1498                 AC_DEFINE(HAVE_TRUNC) 
1499                 AC_MSG_RESULT(yes)
1500                 ac_cv_trunc=yes
1501         ],
1502         AC_MSG_RESULT(no)))
1503
1504 if test "x$ac_cv_truncl" != "xyes"; then
1505    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL) LIBS="$LIBS -lsunmath"])
1506 fi
1507
1508 dnl ****************************
1509 dnl *** Look for /dev/random ***
1510 dnl ****************************
1511
1512 AC_MSG_CHECKING([if usage of random device is requested])
1513 AC_ARG_ENABLE(dev-random,
1514 [  --disable-dev-random    disable the use of the random device],
1515 try_dev_random=$enableval, try_dev_random=yes)
1516 AC_MSG_RESULT($try_dev_random)
1517
1518 case "{$target}" in
1519     *-openbsd*)
1520     NAME_DEV_RANDOM="/dev/srandom"
1521     ;;
1522
1523 dnl Win32 does not have /dev/random, they have their own method...
1524
1525     *-*-mingw*|*-*-cygwin*)
1526     ac_cv_have_dev_random=no
1527     ;;
1528
1529 dnl Everywhere else, it's /dev/random
1530
1531     *)
1532     NAME_DEV_RANDOM="/dev/random"
1533     ;;
1534 esac
1535
1536 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
1537
1538 dnl Now check if the device actually exists
1539
1540 if test "x$try_dev_random" = "xyes"; then
1541     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1542     [if test -r "$NAME_DEV_RANDOM" ; then
1543         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1544     if test "x$ac_cv_have_dev_random" = "xyes"; then
1545         AC_DEFINE(HAVE_CRYPT_RNG)
1546     fi
1547 else
1548     AC_MSG_CHECKING(for random device)
1549     ac_cv_have_dev_random=no
1550     AC_MSG_RESULT(has been disabled)
1551 fi
1552
1553 if test "x$platform_win32" = "xyes"; then
1554     AC_DEFINE(HAVE_CRYPT_RNG)
1555 fi
1556
1557 if test "x$ac_cv_have_dev_random" = "xno" \
1558     && test "x$platform_win32" = "xno"; then
1559     AC_MSG_WARN([[
1560 ***
1561 *** A system-provided entropy source was not found on this system.
1562 *** Because of this, the System.Security.Cryptography random number generator
1563 *** will throw a NotImplemented exception.
1564 ***
1565 *** If you are seeing this message, and you know your system DOES have an
1566 *** entropy collection in place, please contact <crichton@gimp.org> and
1567 *** provide information about the system and how to access the random device.
1568 ***
1569 *** Otherwise you can install either egd or prngd and set the environment
1570 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1571 ***]])
1572 fi
1573  
1574 AC_MSG_CHECKING([if inter-process shared handles are requested])
1575 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1576 AC_MSG_RESULT($try_shared_handles)
1577 if test "x$try_shared_handles" != "xyes"; then
1578         AC_DEFINE(DISABLE_SHARED_HANDLES)
1579         AC_SUBST(DISABLE_SHARED_HANDLES)
1580 fi
1581
1582 AC_ARG_ENABLE(nunit-tests, [ --enable-nunit-tests       Run the nunit tests of the class library on 'make check'])
1583 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1584
1585 TARGET="unknown"
1586 ACCESS_UNALIGNED="yes"
1587
1588 JIT_SUPPORTED=no
1589 INTERP_SUPPORTED=no
1590 LIBC="libc.so.6"
1591 INTL="libc.so.6"
1592 SQLITE="libsqlite.so.0"
1593 SQLITE3="libsqlite3.so.0"
1594 X11="libX11.so"
1595
1596 jit_wanted=false
1597 interp_wanted=false
1598 case "$host" in
1599 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1600 #               TARGET=MIPS;
1601 #               ACCESS_UNALIGNED="no"
1602 #               ;;
1603         mips*)
1604                 TARGET=MIPS;
1605                 arch_target=mips;
1606                 ACCESS_UNALIGNED="no"
1607                 JIT_SUPPORTED=yes
1608                 jit_wanted=true
1609                 ;;
1610         i*86-*-*)
1611                 TARGET=X86;
1612                 arch_target=x86;
1613                 JIT_SUPPORTED=yes
1614                 jit_wanted=true
1615                 case $host_os in
1616                   solaris*)
1617                         LIBC="libc.so"
1618                         INTL="libintl.so"
1619                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
1620                                 TARGET=AMD64
1621                                 arch_target=amd64
1622                         fi
1623
1624                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
1625                         # int astruct __attribute__ ((visibility ("hidden")));
1626                         # void foo ()
1627                         # {
1628                         #       void *p = &astruct;
1629                         # }
1630                         # gcc -fPIC --shared -o libfoo.so foo.c
1631                         # yields:
1632                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
1633                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
1634                         have_visibility_hidden=no
1635
1636                 esac
1637                 ;;
1638         x86_64-*-* | amd64-*-*)
1639                 TARGET=AMD64;
1640                 arch_target=amd64;
1641                 JIT_SUPPORTED=yes
1642                 jit_wanted=true
1643                 ;;
1644         ia64-*-*)
1645                 TARGET=IA64
1646                 arch_target=ia64
1647                 ACCESS_UNALIGNED="no"
1648                 JIT_SUPPORTED=yes
1649                 jit_wanted=true
1650                 LIBC="libc.so.6.1"
1651                 INTL="libc.so.6.1"
1652                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
1653                 libmono_ldflags="-lunwind"
1654                 ;;
1655         sparc*-*-*)
1656                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
1657                    TARGET=SPARC64
1658                 else
1659                         TARGET=SPARC
1660                 fi
1661                 arch_target=sparc;
1662                 JIT_SUPPORTED=yes
1663                 ACCESS_UNALIGNED="no"
1664                 case $host_os in
1665                   linux*) ;;
1666                   *)
1667                         LIBC="libc.so"
1668                         INTL="libintl.so"
1669                 esac
1670                 jit_wanted=true
1671                 if test x"$GCC" = xyes; then
1672                         # We don't support v8 cpus
1673                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
1674                 fi
1675                 if test x"$AR" = xfalse; then
1676                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
1677                 fi
1678                 ;;
1679        alpha*-*-linux* | alpha*-*-osf*)
1680                 TARGET=ALPHA;
1681                 ACCESS_UNALIGNED="no"
1682                 JIT_SUPPORTED=yes
1683                 jit_wanted=true
1684                 arch_target=alpha;
1685                 CFLAGS="$CFLAGS -mieee -O0"
1686                 case $host_os in
1687                   linux*)
1688                         LIBC="libc.so.6.1"
1689                         INTL="libc.so.6.1"
1690                 esac
1691                ;;
1692         *-*-mingw*|*-*-cygwin*)
1693                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
1694                 have_visibility_hidden=no
1695                 INTL="intl"
1696                 ;;
1697         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1698                 TARGET=HPPA;
1699                 arch_target=hppa; 
1700                 LIBC="libc.sl"
1701                 ACCESS_UNALIGNED="no"
1702                 INTERP_SUPPORTED=yes
1703                 interp_wanted=true
1704                 ;;
1705         hppa*linux*)
1706                 TARGET=HPPA;
1707                 arch_target=hppa; 
1708                 ACCESS_UNALIGNED="no"
1709                 INTERP_SUPPORTED=yes
1710                 interp_wanted=true
1711                 ;;
1712         macppc-*-openbsd* | powerpc-*-linux* | powerpc-*-openbsd* | \
1713         powerpc-*-sysv* | powerpc-*-darwin*)
1714                 TARGET=POWERPC;
1715                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1716                 arch_target=ppc;
1717                 JIT_SUPPORTED=yes
1718                 jit_wanted=true
1719                 ;;
1720         arm*-linux*)
1721                 TARGET=ARM;
1722                 arch_target=arm;
1723                 ACCESS_UNALIGNED="no"
1724                 JIT_SUPPORTED=yes
1725                 jit_wanted=true
1726                 ;;
1727         s390-*-linux*)
1728                 TARGET=S390;
1729                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1730                 arch_target=s390;
1731                 ACCESS_UNALIGNED="no"
1732                 JIT_SUPPORTED=yes
1733                 jit_wanted=true
1734                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
1735                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1736                 ;;
1737         s390x-*-linux*)
1738                 TARGET=S390x;
1739                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1740                 arch_target=s390x;
1741                 ACCESS_UNALIGNED="no"
1742                 JIT_SUPPORTED=yes
1743                 jit_wanted=true
1744                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1745                 ;;
1746 esac
1747
1748 if test "x$have_visibility_hidden" = "xyes"; then
1749    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
1750 fi
1751
1752 AC_ARG_WITH(jit, [  --with-jit=yes,no       If you want to build scripts that default to the JIT],[
1753         if test x$withval = xyes; then
1754            jit_wanted=true
1755         else
1756            jit_wanted=false
1757         fi
1758 ])
1759
1760 AC_ARG_WITH(interp, [  --with-interp=yes,no    If you want to build scripts that default to the interpreter],[
1761         if test x$withval = xyes; then
1762            interp_wanted=true
1763         else
1764            interp_wanted=false
1765         fi
1766 ])
1767
1768 USEJIT=false
1769 if test x$JIT_SUPPORTED = xyes; then
1770    if $jit_wanted; then
1771       USEJIT=true
1772       jit_status="Building and using the JIT"
1773    else
1774       if $interp_wanted; then
1775          jit_status="Building the JIT, defaulting to the interpreter"
1776       else
1777          AC_ERROR(No JIT or interpreter support available or selected.)
1778       fi
1779    fi
1780 else
1781    if test x$interp_wanted = xtrue; then
1782       jit_status="interpreter"
1783    else
1784       AC_ERROR(No JIT or interpreter support available or selected.)
1785    fi
1786 fi
1787
1788 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
1789
1790 libsuffix=".so"
1791
1792 case "$host" in
1793      *-*-darwin*)
1794         libsuffix=".dylib"
1795         LIBC="libc.dylib"
1796         INTL="libintl.dylib"
1797         SQLITE="libsqlite.0.dylib"
1798         SQLITE3="libsqlite3.0.dylib"
1799         X11="libX11.dylib"
1800         ;;
1801      *-*-*netbsd*)
1802         LIBC="libc.so.12"
1803         INTL="libintl.so.0"
1804         ;;
1805     *-*-*freebsd*)
1806         LIBC="libc.so"
1807         INTL="libintl.so"
1808         ;;
1809     *-*-*openbsd*)
1810         LIBC="libc.so"
1811         INTL="libintl.so"
1812         ;;
1813     *-*-*linux*)
1814         AC_PATH_X
1815         AC_MSG_CHECKING(for the soname of libX11.so)
1816         for i in $x_libraries /usr/lib /usr/lib64; do
1817                 for r in 4 5 6; do
1818                         if test -f $i/libX11.so.$r; then
1819                                 X11=libX11.so.$r
1820                                 AC_MSG_RESULT($X11)
1821                         fi
1822                 done
1823         done
1824         
1825         if test "x$X11" = "xlibX11.so"; then
1826                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? WinForms may not work...]);
1827         fi
1828         ;;
1829 esac
1830
1831
1832 AC_SUBST(libsuffix)
1833
1834 if test "x$TARGET" != "xAMD64"; then
1835    # valgrind headers don't compile under x86-64
1836    AC_CHECK_HEADERS(valgrind/memcheck.h)
1837 fi
1838
1839 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1840         if test "x$with_tls" = "x__thread"; then
1841                 #
1842                 # On some linux distributions, TLS works in executables, but linking 
1843                 # against a shared library containing TLS fails with:
1844                 # undefined reference to `__tls_get_addr'
1845                 #
1846                 rm -f conftest.c conftest.so conftest
1847                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
1848                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
1849                 $CC -o conftest conftest.so > /dev/null 2>&1
1850                 if test ! -f conftest; then
1851                    AC_MSG_WARN([Disabling usage of __thread.]);
1852                    with_tls=pthread
1853                 fi
1854                 rm -f conftest.c conftest.so conftest
1855         fi
1856 fi
1857
1858 mono_debugger_supported=no
1859 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA"; then
1860         if test x$use_included_gc = xyes; then
1861                 case "$host" in
1862                 *-*-*linux*)
1863                         mono_debugger_supported=yes
1864                         ;;
1865                 esac
1866         fi
1867 fi
1868
1869 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
1870 if test "x$mono_debugger_supported" = "xyes"; then
1871         AC_DEFINE(MONO_DEBUGGER_SUPPORTED,1,[The Mono Debugger is supported on this platform])
1872 fi
1873 AC_MSG_RESULT($mono_debugger_supported)
1874 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
1875
1876 if test "x$with_tls" = "x__thread"; then
1877         AC_DEFINE(HAVE_KW_THREAD)
1878         # Pass the information to libgc
1879         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
1880         AC_MSG_CHECKING(if the tls_model attribute is supported)
1881         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
1882                 ], [
1883                         AC_MSG_RESULT(yes)
1884                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
1885                 ], [
1886                         AC_MSG_RESULT(no)
1887         ])
1888 fi
1889
1890 if test ${TARGET} = ARM; then
1891         dnl ******************************************
1892         dnl *** Check to see what FPU is available ***
1893         dnl ******************************************
1894         AC_MSG_CHECKING(which FPU to use)
1895
1896         AC_TRY_COMPILE([], [
1897                 __asm__ ("ldfd f0, [r0]");
1898                 ], fpu=FPA, [
1899                         AC_TRY_COMPILE([], [
1900                                 __asm__ ("fldd d0, [r0]");
1901                         ], fpu=VFP, fpu=NONE)
1902                 ])
1903
1904         AC_MSG_RESULT($fpu)
1905         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
1906         unset fpu
1907 fi
1908
1909 if test ${TARGET} = unknown; then
1910         CPPFLAGS="$CPPFLAGS -DNO_PORT"
1911         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
1912 fi
1913
1914 if test ${ACCESS_UNALIGNED} = no; then
1915         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
1916 fi
1917
1918 PREVIEW=yes
1919 AC_ARG_WITH(preview, [ --with-preview=yes,no     If you want to install the 2.0 FX preview],[
1920         if test x$with_preview = xno; then
1921               PREVIEW=no
1922         fi
1923 ])
1924
1925 libmono_ldflags="$libmono_ldflags $LIBS"
1926
1927 AM_CONDITIONAL(INSTALL_2_0, test x$PREVIEW = xyes)
1928
1929 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
1930 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
1931 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
1932 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
1933 AM_CONDITIONAL(X86, test x$TARGET = xX86)
1934 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
1935 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
1936 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
1937 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
1938 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
1939 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
1940 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
1941 AM_CONDITIONAL(S390, test x$TARGET = xS390)
1942 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
1943 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
1944
1945 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
1946 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
1947 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
1948
1949 AC_SUBST(LIBC)
1950 AC_SUBST(INTL)
1951 AC_SUBST(SQLITE)
1952 AC_SUBST(SQLITE3)
1953 AC_SUBST(X11)
1954 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
1955 AC_SUBST(arch_target)
1956 AC_SUBST(CFLAGS)
1957 AC_SUBST(CPPFLAGS)
1958 AC_SUBST(LDFLAGS)
1959
1960 mono_build_root=`pwd`
1961 AC_SUBST(mono_build_root)
1962
1963 if test x$USEJIT = xtrue; then
1964   mono_runtime=mono/mini/mono
1965 else
1966   mono_runtime=mono/interpreter/mint
1967 fi
1968 AC_SUBST(mono_runtime)
1969
1970 mono_cfg_root=$mono_build_root/runtime
1971 if test x$platform_win32 = xyes; then
1972   mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
1973 else
1974   mono_cfg_dir=$mono_cfg_root/etc
1975 fi
1976 AC_SUBST(mono_cfg_dir)
1977
1978 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
1979 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
1980 AC_CONFIG_FILES([runtime/semdel-wrapper],[chmod +x runtime/semdel-wrapper])
1981
1982 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
1983 [   depth=../../../..
1984     case $srcdir in
1985     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1986     .) reldir=$depth ;;
1987     *) reldir=$depth/$srcdir ;;
1988     esac
1989     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
1990     cd runtime/etc/mono/1.0
1991     rm -f machine.config
1992     $LN_S $reldir/data/net_1_1/machine.config machine.config
1993     cd $depth
1994 ],[LN_S='$LN_S'])
1995
1996 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
1997 [   depth=../../../..
1998     case $srcdir in
1999     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2000     .) reldir=$depth ;;
2001     *) reldir=$depth/$srcdir ;;
2002     esac
2003     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
2004     cd runtime/etc/mono/2.0
2005     rm -f machine.config
2006     $LN_S $reldir/data/net_2_0/machine.config machine.config
2007     cd $depth
2008 ],[LN_S='$LN_S'])
2009
2010 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
2011 [   depth=../../../..
2012     case $srcdir in
2013     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2014     .) reldir=$depth ;;
2015     *) reldir=$depth/$srcdir ;;
2016     esac
2017     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
2018     cd runtime/etc/mono/2.0
2019     rm -f web.config
2020     $LN_S $reldir/data/net_2_0/web.config web.config
2021     cd $depth
2022 ],[LN_S='$LN_S'])
2023
2024 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
2025 [   depth=../../..
2026     case $srcdir in
2027     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2028     .) reldir=$depth ;;
2029     *) reldir=$depth/$srcdir ;;
2030     esac
2031     $ac_aux_dir/install-sh -d runtime/etc/mono/
2032     cd runtime/etc/mono/
2033     rm -f browscap.ini
2034     $LN_S $reldir/data/browscap.ini browscap.ini
2035     cd $depth
2036 ],[LN_S='$LN_S'])
2037
2038 AC_OUTPUT([
2039 Makefile
2040 mint.pc
2041 mono.pc
2042 mono-cairo.pc
2043 dotnet.pc
2044 mono-uninstalled.pc
2045 scripts/mono-nunit.pc
2046 scripts/mono-find-provides
2047 scripts/mono-find-requires
2048 mono/Makefile
2049 mono/utils/Makefile
2050 mono/metadata/Makefile
2051 mono/dis/Makefile
2052 mono/cil/Makefile
2053 mono/arch/Makefile
2054 mono/os/Makefile
2055 mono/arch/x86/Makefile
2056 mono/arch/amd64/Makefile
2057 mono/arch/hppa/Makefile
2058 mono/arch/ppc/Makefile
2059 mono/arch/sparc/Makefile
2060 mono/arch/s390/Makefile
2061 mono/arch/s390x/Makefile
2062 mono/arch/arm/Makefile
2063 mono/arch/alpha/Makefile
2064 mono/arch/ia64/Makefile
2065 mono/arch/mips/Makefile
2066 mono/interpreter/Makefile
2067 mono/tests/Makefile
2068 mono/tests/tests-config
2069 mono/tests/cas/Makefile
2070 mono/tests/cas/assembly/Makefile
2071 mono/tests/cas/demand/Makefile
2072 mono/tests/cas/inheritance/Makefile
2073 mono/tests/cas/linkdemand/Makefile
2074 mono/tests/cas/threads/Makefile
2075 mono/benchmark/Makefile
2076 mono/monoburg/Makefile
2077 mono/monograph/Makefile
2078 mono/io-layer/Makefile
2079 mono/mini/Makefile
2080 mono/profiler/Makefile
2081 ikvm-native/Makefile
2082 scripts/Makefile
2083 man/Makefile
2084 web/Makefile
2085 docs/Makefile
2086 data/Makefile
2087 data/net_1_1/Makefile
2088 data/net_2_0/Makefile
2089 samples/Makefile
2090 support/Makefile
2091 data/config
2092 tools/Makefile
2093 tools/locale-builder/Makefile
2094 runtime/Makefile
2095 msvc/Makefile
2096 ])
2097
2098 if test x$platform_win32 = xyes; then
2099    # Get rid of 'cyg' prefixes in library names
2100    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2101    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
2102    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
2103    # executable doesn't work...
2104    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2105 fi
2106
2107 (
2108   case $prefix in
2109   NONE) prefix=$ac_default_prefix ;;
2110   esac
2111   case $exec_prefix in
2112   NONE) exec_prefix='${prefix}' ;;
2113   esac
2114
2115   test -w $srcdir/$mcsdir/build || chmod +w $srcdir/$mcsdir/build
2116
2117   #
2118   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
2119   # any existing config.make.  This allows people to share the same source tree
2120   # with different build directories, one native and one cross
2121   #
2122   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2123     echo "prefix=$prefix" > $srcdir/$mcsdir/build/config.make
2124     echo "exec_prefix=$exec_prefix" >> $srcdir/$mcsdir/build/config.make
2125     echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$mcsdir/build/config.make
2126     echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$mcsdir/build/config.make
2127     echo 'IL_FLAGS = /debug' >> $srcdir/$mcsdir/build/config.make
2128     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$mcsdir/build/config.make
2129     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $srcdir/$mcsdir/build/config.make
2130
2131     case $INSTALL in
2132     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
2133     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
2134     esac
2135
2136     echo "INSTALL = $mcs_INSTALL" >> $srcdir/$mcsdir/build/config.make
2137
2138     export VERSION
2139     [myver=$($AWK 'BEGIN {
2140       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
2141       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
2142     }')]
2143
2144     echo "MONO_VERSION = $myver" >> $srcdir/$mcsdir/build/config.make
2145   fi
2146 )
2147
2148 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
2149
2150 echo "
2151         mcs source:  $mcs_topdir
2152         GC:          $gc
2153         TLS:         $with_tls
2154         SIGALTSTACK: $with_sigaltstack
2155         Engine:      $jit_status
2156         2.0 Alpha:   $PREVIEW
2157         JNI support: $jdk_headers_found
2158         libgdiplus:  $libgdiplus_msg
2159         zlib:        $zlib_msg
2160         $disabled
2161
2162 "
2163 if test x$with_static_mono = xno -a "x$platform_win32" != "xyes"; then
2164    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexepcted bugs)
2165 fi
2166
2167 if test x$gc = xsgen; then
2168         echo IMPORTANT:
2169         echo IMPORTANT: You have selected an experimental, work-in-progress 
2170         echo IMPORTANT: GC engine.  This GC engine is currently not supported
2171         echo IMPORTANT: and is not yet ready for use.  
2172         echo IMPORTANT:
2173         echo IMPORTANT: There are known problems with it, use at your own risk.
2174 fi