2007-06-08 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_CC_STDC
253 AC_PROG_INSTALL
254 AC_PROG_AWK
255 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
256 : ${CCAS='$(CC)'}
257 # Set ASFLAGS if not already set.
258 : ${CCASFLAGS='$(CFLAGS)'}
259 AC_SUBST(CCAS)
260 AC_SUBST(CCASFLAGS)
261
262 AC_CHECK_PROG(BISON, bison,yes,no)
263 if test "x$BISON" = "xno";
264 then
265         AC_MSG_ERROR([You need to install bison])
266 fi
267
268 dnl may require a specific autoconf version
269 dnl AC_PROG_CC_FOR_BUILD
270 dnl CC_FOR_BUILD not automatically detected
271 CC_FOR_BUILD=$CC
272 CFLAGS_FOR_BUILD=$CFLAGS
273 BUILD_EXEEXT=
274 if test "x$cross_compiling" = "xyes"; then
275         CC_FOR_BUILD=cc
276         CFLAGS_FOR_BUILD=
277         BUILD_EXEEXT=""
278 fi
279 AC_SUBST(CC_FOR_BUILD)
280 AC_SUBST(CFLAGS_FOR_BUILD)
281 AC_SUBST(HOST_CC)
282 AC_SUBST(BUILD_EXEEXT)
283
284 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
285
286 # Set STDC_HEADERS
287 AC_HEADER_STDC
288 AC_LIBTOOL_WIN32_DLL
289 # This causes monodis to not link correctly
290 #AC_DISABLE_FAST_INSTALL
291 AM_PROG_LIBTOOL
292
293 # Test whenever ld supports -version-script
294 AC_PROG_LD
295 AC_PROG_LD_GNU
296 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
297    no_version_script=yes
298 fi
299
300 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
301
302 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h)
303
304 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
305 if test x$have_zlib = xyes; then
306    AC_TRY_COMPILE([#include <zlib.h>], [
307    void main () {
308    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
309    }
310    #else
311    #error No good zlib found
312    #endif
313    ],[
314         AC_MSG_RESULT(Using system zlib)
315         zlib_msg="system zlib"
316    ],[
317         AC_MSG_RESULT(Using embedded zlib)
318         have_zlib=no
319         zlib_msg="bundled zlib"
320    ])
321 fi
322
323 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
324 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
325
326 # for mono/metadata/debug-symfile.c
327 AC_CHECK_HEADERS(elf.h)
328
329 # for support
330 AC_CHECK_HEADERS(poll.h)
331 AC_CHECK_HEADERS(sys/poll.h)
332 AC_CHECK_HEADERS(sys/wait.h)
333 AC_CHECK_HEADERS(grp.h)
334 AC_CHECK_HEADERS(syslog.h)
335
336 # for mono/dis
337 AC_CHECK_HEADERS(wchar.h)
338 case "$host" in
339         *-*-*freebsd6*)
340                 AC_CHECK_HEADERS(ieeefp.h)
341         ;;
342         *-*-*freebsd*)
343                 /* Only freebsd6 has a working ieeefp.h */
344         ;;
345         *)
346                 AC_CHECK_HEADERS(ieeefp.h)
347         ;;
348 esac
349 AC_MSG_CHECKING(for isinf)
350 AC_TRY_LINK([#include <math.h>], [
351         int f = isinf (1);
352 ], [
353         AC_MSG_RESULT(yes)
354         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
355 ], [
356         # We'll have to use signals
357         AC_MSG_RESULT(no)
358 ])
359
360
361 # not 64 bit clean in cross-compile
362 AC_CHECK_SIZEOF(void *, 4)
363
364 WARN=''
365 if test x"$GCC" = xyes; then
366         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wcast-align -Wwrite-strings'
367                 # The runtime code does not respect ANSI C strict aliasing rules
368                 CFLAGS="$CFLAGS -fno-strict-aliasing"
369
370                 ORIG_CFLAGS=$CFLAGS
371                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
372                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
373                 AC_TRY_COMPILE([], [
374                                                    void main () { }
375                 ], [
376                    AC_MSG_RESULT(yes)
377                 ], [
378                    AC_MSG_RESULT(no)
379                    CFLAGS=$ORIG_CFLAGS
380                 ])
381 else
382         # The Sun Forte compiler complains about inline functions that access static variables
383         # so disable all inlining.
384         case "$host" in
385         *-*-solaris*)
386                 CFLAGS="$CFLAGS -Dinline="
387                 ;;
388         esac
389 fi
390 CFLAGS="$CFLAGS -g $WARN"
391
392 # Where's the 'mcs' source tree?
393 if test -d $srcdir/mcs; then
394   mcsdir=mcs
395 else
396   mcsdir=../mcs
397 fi
398
399 mcs_topdir='$(top_srcdir)/'$mcsdir
400 mcs_topdir_from_srcdir='$(top_builddir)/'$mcsdir
401
402 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
403 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
404
405 AC_SUBST([mcs_topdir])
406 AC_SUBST([mcs_topdir_from_srcdir])
407
408 AC_ARG_WITH([libgdiplus], 
409         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to NO)], 
410         [], [with_libgdiplus=installed])
411
412 case $with_libgdiplus in
413 no|installed) libgdiplus_loc= ;;
414 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
415 /*) libgdiplus_loc=$with_libgdiplus ;;
416 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
417 esac
418 AC_SUBST([libgdiplus_loc])
419
420 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
421 if test "x$PKG_CONFIG" = "xno"; then
422         AC_MSG_ERROR([You need to install pkg-config])
423 fi
424
425 pkg_config_path=
426 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir],
427         if test x$with_crosspkgdir = "x"; then
428                 if test -s $PKG_CONFIG_PATH; then
429                         pkg_config_path=$PKG_CONFIG_PATH
430                 fi
431         else
432                 pkg_config_path=$with_crosspkgdir
433                 PKG_CONFIG_PATH=$pkg_config_path
434                 export PKG_CONFIG_PATH
435         fi
436 )
437
438 AC_ARG_WITH([glib],
439         [  --with-glib=embedded|system       Choose glib API: system or embedded (default to system)],
440         [], [with_glib=system])
441
442 case $with_glib in
443 embedded) 
444   GLIB_CFLAGS='-I$(top_srcdir)/eglib/src'
445   GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
446   BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
447   BUILD_GLIB_LIBS="$GLIB_LIBS"
448   AC_CONFIG_SUBDIRS(eglib)
449   ;;
450 system)
451   BUILD_GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
452   BUILD_GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
453
454   ## Versions of dependencies
455   GLIB_REQUIRED_VERSION=1.3.11
456   
457   PKG_CHECK_MODULES(BASE_DEPENDENCIES, glib-2.0 >= $GLIB_REQUIRED_VERSION)
458   
459   GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
460   GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
461   GMODULE_CFLAGS=`$PKG_CONFIG --cflags gmodule-2.0`
462   GMODULE_LIBS=`$PKG_CONFIG --libs gmodule-2.0`
463   ;;
464 *)
465   AC_MSG_ERROR([Invalid argument to --with-glib.])
466 esac
467 AM_CONDITIONAL(EGLIB_BUILD, test x$with_glib = xembedded)
468   
469 AC_SUBST(GLIB_CFLAGS)
470 AC_SUBST(GLIB_LIBS)
471 AC_SUBST(GMODULE_CFLAGS)
472 AC_SUBST(GMODULE_LIBS)
473 AC_SUBST(BUILD_GLIB_CFLAGS)
474 AC_SUBST(BUILD_GLIB_LIBS)
475
476 if test x$cross_compiling$platform_win32 = xnoyes; then
477    AC_MSG_CHECKING(for cygwin glib2-dev package)
478    if [ cygcheck --f /usr/lib/libglib-2.0.dll.a | grep -q glib2-devel ]; then
479       AC_MSG_RESULT(found)
480           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.])
481    else
482       AC_MSG_RESULT(not found, ok)
483    fi
484
485    AC_MSG_CHECKING(for broken gwin32.h)
486    glib_include=`$PKG_CONFIG --cflags-only-I glib-2.0 | sed -e 's/ -I.*//g' | sed -e 's/-I//g'`
487    if test -f $glib_include/glib/gwin32.h; then
488           if [ grep ftruncate $glib_include/glib/gwin32.h | grep -q define ]; then
489                  AC_MSG_RESULT(failed)
490                  hashmark='#'
491                  AC_MSG_ERROR([Your version of gwin32.h is broken and will cause compilation errors when building mono. Please fix it by deleting the line: '$hashmark   define ftruncate...' from '$glib_include/glib/gwin32.h' then re-run configure.])
492           fi
493    fi
494    AC_MSG_RESULT(ok)
495 fi
496
497 AC_ARG_WITH(gc, [  --with-gc=boehm,included,none],[gc=$with_gc],[gc=$gc_default])
498
499 # Enable support for fast thread-local storage
500 # Some systems have broken support, so we allow to disable it.
501 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread       select Thread Local Storage implementation],[],[with_tls=__thread])
502
503 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
504 # This does not work on some platforms (bug #55253)
505 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack],[],[with_sigaltstack=no])
506
507 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster)],[],[with_static_mono=yes])
508
509 if test "x$enable_static" = "xno"; then
510    with_static_mono=no
511 fi
512
513 if test "x$platform_win32" = "xyes"; then
514    # Boehm GC requires the runtime to be in its own dll
515    with_static_mono=no
516 fi
517
518 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
519 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
520
521 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no      Enable Xen-specific behaviour],[],[with_xen_opt=yes])
522 if test "x$with_xen_opt" = "xyes"; then
523         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
524         ORIG_CFLAGS=$CFLAGS
525         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
526         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
527         AC_TRY_COMPILE([], [
528                                            void main () { }
529         ], [
530            AC_MSG_RESULT(yes)
531         ], [
532            AC_MSG_RESULT(no)
533            CFLAGS=$ORIG_CFLAGS
534         ])
535 fi
536
537 DISABLED_FEATURES=none
538
539 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
540   LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
541   reflection_emit, large_code, logging, com, ssa, generics.],
542 [
543         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
544                 eval "mono_feature_disable_$feature='yes'"
545                 AC_MSG_NOTICE([Disabled support for feature: $feature])
546         done
547         DISABLED_FEATURES=$enable_minimal
548         disabled="Disabled:    $enable_minimal"
549 ],[])
550
551 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
552
553 if test "x$mono_feature_disable_aot" = "xyes"; then
554         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT support])
555 fi
556
557 if test "x$mono_feature_disable_profiler" = "xyes"; then
558         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
559 fi
560
561 if test "x$mono_feature_disable_decimal" = "xyes"; then
562         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
563 fi
564
565 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
566         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
567 fi
568
569 if test "x$mono_feature_disable_debug" = "xyes"; then
570         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
571 fi
572
573 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
574         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
575 fi
576
577 if test "x$mono_feature_disable_large_code" = "xyes"; then
578         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
579 fi
580
581 if test "x$mono_feature_disable_logging" = "xyes"; then
582         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
583 fi
584
585 if test "x$mono_feature_disable_com" = "xyes"; then
586         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
587 fi
588
589 if test "x$mono_feature_disable_ssa" = "xyes"; then
590         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
591 fi
592
593 if test "x$mono_feature_disable_generics" = "xyes"; then
594         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
595 fi
596
597 AC_MSG_CHECKING(for visibility __attribute__)
598 AC_TRY_COMPILE([], [
599    void __attribute__ ((visibility ("hidden"))) doit (void) {}
600    void main () { doit (); }
601 ], [
602    have_visibility_hidden=yes
603    AC_MSG_RESULT(yes)
604 ], [
605    have_visibility_hidden=no
606    AC_MSG_RESULT(no)
607 ])
608
609 LIBGC_CFLAGS=
610 LIBGC_LIBS=
611 LIBGC_STATIC_LIBS=
612 libgc_dir=
613 case "x$gc" in
614         xboehm|xbohem|xyes)
615                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
616                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
617
618                 if test "x$found_boehm" != "xyes"; then
619                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
620                 fi
621                 if test "x$gc_headers" != "xyes"; then
622                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
623                 fi
624
625                 AC_DEFINE(HAVE_BOEHM_GC)
626                 AC_SUBST(HAVE_BOEHM_GC)
627                 LIBGC_LIBS="-lgc $libdl"
628                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
629
630                 # AC_CHECK_FUNCS does not work for some reason...
631                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
632                 if test "x$found_gcj_malloc" = "xyes"; then
633                         AC_DEFINE(HAVE_GC_GCJ_MALLOC)
634                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (with typed GC)", [GC description])
635                 else
636                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (no typed GC)", [GC description])
637                 fi
638                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
639                 if test "x$found_gc_enable" = "xyes"; then
640                         AC_DEFINE(HAVE_GC_ENABLE)
641                 fi
642                 ;;
643
644         xincluded)
645                 AC_CONFIG_SUBDIRS(libgc)
646
647                 # Pass CPPFLAGS to libgc configure
648                 # Maybe we should use a separate variable for this to avoid passing useless and
649                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
650                 export CPPFLAGS
651
652                 found_boehm=yes
653                 gc_headers=yes
654                 use_included_gc=yes
655                 libgc_dir=libgc
656
657                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
658                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
659                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
660
661                 AC_DEFINE(HAVE_BOEHM_GC)
662                 AC_SUBST(HAVE_BOEHM_GC)
663
664                 AC_DEFINE(HAVE_GC_H)
665                 AC_DEFINE(USE_INCLUDED_LIBGC)
666
667                 # The included libgc contains GCJ support
668                 AC_DEFINE(HAVE_GC_GCJ_MALLOC)
669                 AC_DEFINE(HAVE_GC_ENABLE)
670                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Included Boehm (with typed GC)", [GC description])
671                 ;;
672
673         xsgen)
674                 found_boehm=no
675                 gc_headers=no
676                 use_included_gc=no
677                 AC_DEFINE(HAVE_SGEN_GC,1,[Using the simple generational GC.])
678                 AC_DEFINE(HAVE_MOVING_COLLECTOR,1,[The GC can move objects.])
679                 AC_DEFINE(HAVE_WRITE_BARRIERS,1,[The GC needs write barriers.])
680                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Simple generational", [GC description])
681                 ;;
682
683         xnone)
684                 AC_MSG_WARN("Compiling mono without GC.")
685                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "none", [GC description])
686                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
687                 ;;
688         *)
689                 AC_MSG_ERROR([Invalid argument to --with-gc.])
690                 ;;
691 esac
692
693 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no    Enable support for GC heaps larger than 3GB], [large_heap=$withval], [large_heap=no])
694 if test "x$large_heap" = "xyes"; then
695    echo "FOO"
696    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
697 fi
698
699 # tell libgc/configure about what we want
700 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args"
701
702 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
703 AC_SUBST(LIBGC_CFLAGS)
704 AC_SUBST(LIBGC_LIBS)
705 AC_SUBST(LIBGC_STATIC_LIBS)
706 AC_SUBST(libgc_dir)
707
708 dnl
709 dnl End of libgc checks
710 dnl
711
712 if test x$platform_win32 = xno; then
713
714         dnl dynamic loader support
715         AC_CHECK_FUNC(dlopen, DL_LIB="",
716                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
717         )
718         if test x$dl_support = xno; then
719                 AC_MSG_WARN([No dynamic loading support available])
720         else
721                 LIBS="$LIBS $DL_LIB"
722                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
723                 dnl from glib's configure.in
724                 AC_CACHE_CHECK([for preceeding underscore in symbols],
725                         mono_cv_uscore,[
726                         AC_TRY_RUN([#include <dlfcn.h>
727                         int mono_underscore_test (void) { return 42; }
728                         int main() {
729                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
730                           handle = dlopen ((void*)0, 0);
731                           if (handle) {
732                             f1 = dlsym (handle, "mono_underscore_test");
733                             f2 = dlsym (handle, "_mono_underscore_test");
734                           } return (!f2 || f1);
735                         }],
736                                 [mono_cv_uscore=yes],
737                                 [mono_cv_uscore=no],
738                         [])
739                 ])
740                 if test "x$mono_cv_uscore" = "xyes"; then
741                         MONO_DL_NEED_USCORE=1
742                 else
743                         MONO_DL_NEED_USCORE=0
744                 fi
745                 AC_SUBST(MONO_DL_NEED_USCORE)
746                 AC_CHECK_FUNC(dlerror)
747         fi
748
749         dnl ******************************************************************
750         dnl *** Checks for the IKVM JNI interface library                  ***
751         dnl ******************************************************************
752         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no  build the IKVM JNI interface library],[with_ikvm_native=$withval],[with_ikvm_native=yes])
753
754         ikvm_native_dir=
755         if test x$with_ikvm_native = xyes; then
756                 ikvm_native_dir=ikvm-native
757                 jdk_headers_found="IKVM Native"
758         fi
759
760         AC_SUBST(ikvm_native_dir)
761
762         AC_CHECK_HEADERS(execinfo.h)
763
764         AC_CHECK_FUNCS(getgrgid_r)
765         AC_CHECK_FUNCS(getgrnam_r)
766         AC_CHECK_FUNCS(getpwnam_r)
767         AC_CHECK_FUNCS(getpwuid_r)
768         AC_CHECK_FUNCS(getresuid)
769         AC_CHECK_FUNCS(setresuid)
770         AC_CHECK_FUNCS(kqueue)
771         AC_CHECK_FUNCS(backtrace_symbols)
772         AC_CHECK_FUNCS(mkstemp)
773         AC_CHECK_FUNCS(mmap)
774         AC_CHECK_FUNCS(madvise)
775
776         dnl ******************************************************************
777         dnl *** Check for large file support                               ***
778         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
779         dnl ******************************************************************
780         
781         # Check that off_t can represent 2**63 - 1 correctly, working around
782         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
783         # CPPFLAGS and sets $large_offt to yes if the test succeeds
784         large_offt=no
785         AC_DEFUN([LARGE_FILES], [
786                 large_CPPFLAGS=$CPPFLAGS
787                 CPPFLAGS="$CPPFLAGS $1"
788                 AC_TRY_RUN([
789                         #include <sys/types.h>
790
791                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
792
793                         int main(void) {
794                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
795                                                (BIG_OFF_T%2147483647==1));
796                                 if(big_off_t) {
797                                         exit(0);
798                                 } else {
799                                         exit(1);
800                                 }
801                         }
802                 ], [
803                         AC_MSG_RESULT(ok)
804                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT)
805                         large_CPPFLAGS="$large_CPPFLAGS $1"
806                         large_offt=yes
807                 ], [
808                         AC_MSG_RESULT(no)
809                 ], "")
810                 CPPFLAGS=$large_CPPFLAGS
811         ])
812
813         AC_MSG_CHECKING(if off_t is 64 bits wide)
814         LARGE_FILES("")
815         if test $large_offt = no; then
816                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
817                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
818         fi
819         if test $large_offt = no; then
820                 AC_MSG_WARN([No 64 bit file size support available])
821         fi
822         
823         dnl *****************************
824         dnl *** Checks for libsocket  ***
825         dnl *****************************
826         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
827
828         dnl *******************************
829         dnl *** Checks for MSG_NOSIGNAL ***
830         dnl *******************************
831         AC_MSG_CHECKING(for MSG_NOSIGNAL)
832         AC_TRY_COMPILE([#include <sys/socket.h>], [
833                 int f = MSG_NOSIGNAL;
834         ], [
835                 # Yes, we have it...
836                 AC_MSG_RESULT(yes)
837                 AC_DEFINE(HAVE_MSG_NOSIGNAL)
838         ], [
839                 # We'll have to use signals
840                 AC_MSG_RESULT(no)
841         ])
842
843         dnl *****************************
844         dnl *** Checks for SOL_IP     ***
845         dnl *****************************
846         AC_MSG_CHECKING(for SOL_IP)
847         AC_TRY_COMPILE([#include <netdb.h>], [
848                 int level = SOL_IP;
849         ], [
850                 # Yes, we have it...
851                 AC_MSG_RESULT(yes)
852                 AC_DEFINE(HAVE_SOL_IP)
853         ], [
854                 # We'll have to use getprotobyname
855                 AC_MSG_RESULT(no)
856         ])
857
858         dnl *****************************
859         dnl *** Checks for SOL_IPV6     ***
860         dnl *****************************
861         AC_MSG_CHECKING(for SOL_IPV6)
862         AC_TRY_COMPILE([#include <netdb.h>], [
863                 int level = SOL_IPV6;
864         ], [
865                 # Yes, we have it...
866                 AC_MSG_RESULT(yes)
867                 AC_DEFINE(HAVE_SOL_IPV6)
868         ], [
869                 # We'll have to use getprotobyname
870                 AC_MSG_RESULT(no)
871         ])
872
873         dnl *****************************
874         dnl *** Checks for SOL_TCP    ***
875         dnl *****************************
876         AC_MSG_CHECKING(for SOL_TCP)
877         AC_TRY_COMPILE([#include <netdb.h>], [
878                 int level = SOL_TCP;
879         ], [
880                 # Yes, we have it...
881                 AC_MSG_RESULT(yes)
882                 AC_DEFINE(HAVE_SOL_TCP)
883         ], [
884                 # We'll have to use getprotobyname
885                 AC_MSG_RESULT(no)
886         ])
887
888         dnl *****************************
889         dnl *** Checks for IP_PKTINFO ***
890         dnl *****************************
891         AC_MSG_CHECKING(for IP_PKTINFO)
892         AC_TRY_COMPILE([#include <netdb.h>], [
893                 int level = IP_PKTINFO;
894         ], [
895                 # Yes, we have it...
896                 AC_MSG_RESULT(yes)
897                 AC_DEFINE(HAVE_IP_PKTINFO)
898         ], [
899                 AC_MSG_RESULT(no)
900         ])
901
902         dnl *****************************
903         dnl *** Checks for IPV6_PKTINFO ***
904         dnl *****************************
905         AC_MSG_CHECKING(for IPV6_PKTINFO)
906         AC_TRY_COMPILE([#include <netdb.h>], [
907                 int level = IPV6_PKTINFO;
908         ], [
909                 # Yes, we have it...
910                 AC_MSG_RESULT(yes)
911                 AC_DEFINE(HAVE_IPV6_PKTINFO)
912         ], [
913                 AC_MSG_RESULT(no)
914         ])
915
916         dnl **********************************
917         dnl *** Checks for IP_DONTFRAGMENT ***
918         dnl **********************************
919         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
920         AC_TRY_COMPILE([#include <netdb.h>], [
921                 int level = IP_DONTFRAGMENT;
922         ], [
923                 # Yes, we have it...
924                 AC_MSG_RESULT(yes)
925                 AC_DEFINE(HAVE_IP_DONTFRAGMENT)
926         ], [
927                 AC_MSG_RESULT(no)
928         ])
929
930         dnl **********************************
931         dnl *** Checks for IP_MTU_DISCOVER ***
932         dnl **********************************
933         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
934         AC_TRY_COMPILE([#include <netdb.h>], [
935                 int level = IP_MTU_DISCOVER;
936         ], [
937                 # Yes, we have it...
938                 AC_MSG_RESULT(yes)
939                 AC_DEFINE(HAVE_IP_MTU_DISCOVER)
940         ], [
941                 AC_MSG_RESULT(no)
942         ])
943
944         dnl *********************************
945         dnl *** Check for struct ip_mreqn ***
946         dnl *********************************
947         AC_MSG_CHECKING(for struct ip_mreqn)
948         AC_TRY_COMPILE([#include <netinet/in.h>], [
949                 struct ip_mreqn mreq;
950                 mreq.imr_address.s_addr = 0;
951         ], [
952                 # Yes, we have it...
953                 AC_MSG_RESULT(yes)
954                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
955         ], [
956                 # We'll just have to try and use struct ip_mreq
957                 AC_MSG_RESULT(no)
958                 AC_MSG_CHECKING(for struct ip_mreq)
959                 AC_TRY_COMPILE([#include <netinet/in.h>], [
960                         struct ip_mreq mreq;
961                         mreq.imr_interface.s_addr = 0;
962                 ], [
963                         # Yes, we have it...
964                         AC_MSG_RESULT(yes)
965                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
966                 ], [
967                         # No multicast support
968                         AC_MSG_RESULT(no)
969                 ])
970         ])
971         
972         dnl **********************************
973         dnl *** Check for gethostbyname2_r ***
974         dnl **********************************
975         AC_MSG_CHECKING(for gethostbyname2_r)
976                 AC_TRY_LINK([#include <netdb.h>], [
977                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
978         ], [
979                 # Yes, we have it...
980                 AC_MSG_RESULT(yes)
981                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R)
982         ], [
983                 AC_MSG_RESULT(no)
984         ])
985
986         dnl *****************************
987         dnl *** Checks for libnsl     ***
988         dnl *****************************
989         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
990
991         AC_CHECK_FUNCS(inet_pton inet_aton)
992
993         dnl ***********************************************
994         dnl *** Checks for size of sockaddr_un.sun_path ***
995         dnl ***********************************************
996         # AC_CHECK_SIZEOF can't cope with struct members :-(
997         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
998         AC_CACHE_VAL(cv_mono_sizeof_sunpath,
999                 [AC_TRY_RUN([
1000                         #include <sys/types.h>
1001                         #include <stdio.h>
1002                         #include <sys/un.h>
1003
1004                         int main(void) {
1005                                 struct sockaddr_un sock_un;
1006                                 FILE *f=fopen("conftestval", "w");
1007                                 if(!f) exit(1);
1008                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1009                                 exit(0);
1010                         }
1011                 ], cv_mono_sizeof_sunpath=`cat conftestval`,
1012                    cv_mono_sizeof_sunpath=0,
1013                    cv_mono_sizeof_sunpath=0)])dnl
1014         AC_MSG_RESULT($cv_mono_sizeof_sunpath)
1015         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $cv_mono_sizeof_sunpath)
1016
1017         dnl *************************************
1018         dnl *** Checks for zero length arrays ***
1019         dnl *************************************
1020         AC_MSG_CHECKING(whether $CC supports zero length arrays)
1021         AC_TRY_COMPILE([
1022                 struct s {
1023                         int  length;
1024                         char data [0];
1025                 };
1026         ], [], [
1027                 AC_MSG_RESULT(yes)
1028                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0)
1029         ], [
1030                 AC_MSG_RESULT(no)
1031                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1)
1032         ])
1033
1034         dnl *****************************
1035         dnl *** Checks for libxnet    ***
1036         dnl *****************************
1037         case "${host}" in
1038                 *solaris* )
1039                         AC_MSG_CHECKING(for Solaris XPG4 support)
1040                         if test -f /usr/lib/libxnet.so; then
1041                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1042                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1043                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1044                                 LIBS="$LIBS -lxnet"
1045                                 AC_MSG_RESULT(yes)
1046                         else
1047                                 AC_MSG_RESULT(no)
1048                         fi
1049
1050                         if test "$GCC" = "yes"; then
1051                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1052                         fi
1053                 ;;
1054         esac
1055
1056         dnl *****************************
1057         dnl *** Checks for libpthread ***
1058         dnl *****************************
1059 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1060 # and libpthread does not exist
1061 #
1062         case "${host}" in
1063                 *-*-*freebsd4*)
1064                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1065                 ;;
1066                 *-*-*freebsd5*)
1067                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1068                 ;;
1069                 *-*-*freebsd6*)
1070                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1071                 ;;
1072                 *)
1073                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1074                 ;;
1075         esac
1076         AC_CHECK_HEADERS(pthread.h)
1077         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1078         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1079         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1080         AC_TRY_COMPILE([ #include <pthread.h>], [
1081                 pthread_mutexattr_t attr;
1082                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1083         ], [
1084                 AC_MSG_RESULT(ok)
1085         ], [
1086                 AC_MSG_RESULT(no)
1087                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1088                 AC_DEFINE(USE_MONO_MUTEX)
1089         ])
1090         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1091         AC_CHECK_FUNCS(pthread_attr_getstack)
1092         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1093
1094         dnl ***********************************
1095         dnl *** Checks for working __thread ***
1096         dnl ***********************************
1097         AC_MSG_CHECKING(for working __thread)
1098         if test "x$with_tls" != "x__thread"; then
1099                 AC_MSG_RESULT(disabled)
1100         else
1101                 AC_TRY_RUN([
1102                         #include <pthread.h>
1103                         __thread int i;
1104                         static int res1, res2;
1105
1106                         void thread_main (void *arg)
1107                         {
1108                                 i = arg;
1109                                 sleep (1);
1110                                 if (arg == 1)
1111                                         res1 = (i == arg);
1112                                 else
1113                                         res2 = (i == arg);
1114                         }
1115
1116                         int main () {
1117                                 pthread_t t1, t2;
1118
1119                                 i = 5;
1120
1121                                 pthread_create (&t1, NULL, thread_main, 1);
1122                                 pthread_create (&t2, NULL, thread_main, 2);
1123
1124                                 pthread_join (t1, NULL);
1125                                 pthread_join (t2, NULL);
1126
1127                                 return !(res1 + res2 == 2);
1128                         }
1129                 ], [
1130                                 AC_MSG_RESULT(yes)
1131                 ], [
1132                                 AC_MSG_RESULT(no)
1133                                 with_tls=pthread
1134                 ])
1135         fi
1136
1137         dnl **************************************
1138         dnl *** Checks for working sigaltstack ***
1139         dnl **************************************
1140         AC_MSG_CHECKING(for working sigaltstack)
1141         if test "x$with_sigaltstack" != "xyes"; then
1142                 AC_MSG_RESULT(disabled)
1143         else
1144                 AC_TRY_RUN([
1145                         #include <stdio.h>
1146                         #include <stdlib.h>
1147                         #include <unistd.h>
1148                         #include <signal.h>
1149                         #include <pthread.h>
1150                         #include <sys/wait.h>
1151                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1152                         #define SA_STACK SA_ONSTACK
1153                         #endif
1154                         static void
1155                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1156                         {
1157                                 exit (0);
1158                         }
1159
1160                         static void *
1161                         loop (void *ignored)
1162                         {
1163                                 char *ptr = NULL;
1164
1165                                 *ptr = 0;
1166                                 return NULL;
1167                         }
1168
1169                         static void
1170                         child ()
1171                         {
1172                                 struct sigaction sa;
1173                                 struct sigaltstack sas;
1174                                 pthread_t id;
1175                                 pthread_attr_t attr;
1176
1177                                 sa.sa_sigaction = sigsegv_signal_handler;
1178                                 sigemptyset (&sa.sa_mask);
1179                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1180                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1181                                         perror ("sigaction");
1182                                         return;
1183                                 }
1184
1185                                 sas.ss_sp = malloc (SIGSTKSZ);
1186                                 sas.ss_size = SIGSTKSZ;
1187                                 sas.ss_flags = 0;
1188                                 if (sigaltstack (&sas, NULL) == -1) {
1189                                         perror ("sigaltstack");
1190                                         return;
1191                                 }
1192
1193                                 pthread_attr_init (&attr);
1194                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1195                                         printf ("pthread_create\n");
1196                                         return;
1197                                 }
1198
1199                                 sleep (100);
1200                         }
1201
1202                         int
1203                         main ()
1204                         {
1205                                 pid_t son;
1206                                 int status;
1207                                 int i;
1208
1209                                 son = fork ();
1210                                 if (son == -1) {
1211                                         return 1;
1212                                 }
1213
1214                                 if (son == 0) {
1215                                         child ();
1216                                         return 0;
1217                                 }
1218
1219                                 for (i = 0; i < 3; ++i) {
1220                                         sleep (1);
1221                                         waitpid (son, &status, WNOHANG);
1222                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1223                                                 return 0;
1224                                 }
1225
1226                                 kill (son, SIGKILL);
1227                                 return 1;
1228                         }
1229
1230                 ], [
1231                                 AC_MSG_RESULT(yes)
1232                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK)
1233                 ], [
1234                                 with_sigaltstack=no
1235                                 AC_MSG_RESULT(no)
1236                 ])
1237         fi
1238
1239         dnl ********************************
1240         dnl *** Checks for semaphore lib ***
1241         dnl ********************************
1242         # 'Real Time' functions on Solaris
1243         # posix4 on Solaris 2.6
1244         # pthread (first!) on Linux
1245         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1246
1247         dnl ********************************
1248         dnl *** Checks for timezone stuff **
1249         dnl ********************************
1250         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1251                 AC_TRY_COMPILE([
1252                         #include <time.h>
1253                         ], [
1254                         struct tm tm;
1255                         tm.tm_gmtoff = 1;
1256                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1257         if test $ac_cv_struct_tm_gmtoff = yes; then
1258                 AC_DEFINE(HAVE_TM_GMTOFF)
1259         else
1260                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1261                         AC_TRY_COMPILE([
1262                                 #include <time.h>
1263                         ], [
1264                                 timezone = 1;
1265                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1266                 if test $ac_cv_var_timezone = yes; then
1267                         AC_DEFINE(HAVE_TIMEZONE)
1268                 else
1269                         AC_ERROR(unable to find a way to determine timezone)
1270                 fi
1271         fi
1272
1273         dnl *********************************
1274         dnl *** Checks for math functions ***
1275         dnl *********************************
1276         LIBS="$LIBS -lm";
1277         AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1278                 AC_TRY_LINK([#include <math.h>], 
1279                 [ finite(0.0); ], 
1280                 AC_DEFINE(HAVE_FINITE) AC_MSG_RESULT(yes),
1281                 AC_MSG_RESULT(no)))
1282         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1283                 AC_TRY_LINK([#include <math.h>], 
1284                 [ isfinite(0.0); ], 
1285                 AC_DEFINE(HAVE_ISFINITE) AC_MSG_RESULT(yes),
1286                 AC_MSG_RESULT(no)))
1287
1288         dnl ****************************************************************
1289         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1290         dnl *** have it in the library (duh))                            ***
1291         dnl ****************************************************************
1292         AC_CHECK_FUNCS(poll)
1293
1294         dnl *************************
1295         dnl *** Check for signbit ***
1296         dnl *************************
1297         AC_MSG_CHECKING(for signbit)
1298         AC_TRY_LINK([#include <math.h>], [
1299                 int s = signbit(1.0);
1300         ], [
1301                 AC_MSG_RESULT(yes)
1302                 AC_DEFINE(HAVE_SIGNBIT)
1303         ], [
1304                 AC_MSG_RESULT(no)
1305         ]) 
1306
1307         dnl **********************************
1308         dnl *** epoll                      ***
1309         dnl **********************************
1310         AC_CHECK_HEADERS(sys/epoll.h)
1311         haveepoll=no
1312         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1313         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1314                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1315         fi
1316
1317         dnl ******************************
1318         dnl *** Checks for SIOCGIFCONF ***
1319         dnl ******************************
1320         AC_CHECK_HEADERS(sys/ioctl.h)
1321         AC_CHECK_HEADERS(net/if.h)
1322         AC_MSG_CHECKING(for ifreq)
1323         AC_TRY_COMPILE([
1324                 #include <sys/ioctl.h>
1325                 #include <net/if.h>
1326                 ], [
1327                 struct ifconf ifc;
1328                 struct ifreq *ifr;
1329                 void *x;
1330                 ifc.ifc_len = 0;
1331                 ifc.ifc_buf = NULL;
1332                 x = (void *) &ifr->ifr_addr;
1333                 ],[
1334                         AC_MSG_RESULT(yes)
1335                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1336                 ], [
1337                         AC_MSG_RESULT(no)
1338                 ])
1339         dnl **********************************
1340         dnl *** Checks for MonoPosixHelper ***
1341         dnl **********************************
1342         AC_CHECK_HEADERS(checklist.h)
1343         AC_CHECK_HEADERS(fstab.h)
1344         AC_CHECK_HEADERS(attr/xattr.h)
1345         AC_CHECK_HEADERS(sys/extattr.h)
1346         AC_CHECK_HEADERS(sys/sendfile.h)
1347         AC_CHECK_HEADERS(sys/statvfs.h)
1348         AC_CHECK_HEADERS(sys/vfstab.h)
1349         AC_CHECK_HEADERS(sys/xattr.h)
1350         AC_CHECK_HEADERS(sys/mman.h)
1351         AC_CHECK_FUNCS(getdomainname)
1352         AC_CHECK_FUNCS(setdomainname)
1353         AC_CHECK_FUNCS(fgetgrent)
1354         AC_CHECK_FUNCS(fgetpwent)
1355         AC_CHECK_FUNCS(fgetpwent)
1356         AC_CHECK_FUNCS(getfsstat)
1357         AC_CHECK_FUNCS(lutimes)
1358         AC_CHECK_FUNCS(mremap)
1359         AC_CHECK_FUNCS(remap_file_pages)
1360         AC_CHECK_FUNCS(posix_fadvise)
1361         AC_CHECK_FUNCS(posix_fallocate)
1362         AC_CHECK_FUNCS(posix_madvise)
1363         AC_CHECK_FUNCS(vsnprintf)
1364         AC_CHECK_FUNCS(sendfile)
1365         AC_CHECK_FUNCS(sethostid)
1366         AC_CHECK_FUNCS(statfs)
1367         AC_CHECK_FUNCS(fstatfs)
1368         AC_CHECK_FUNCS(statvfs)
1369         AC_CHECK_FUNCS(fstatvfs)
1370         AC_CHECK_FUNCS(stime)
1371         AC_CHECK_FUNCS(strerror_r)
1372         AC_CHECK_FUNCS(ttyname_r)
1373         AC_CHECK_SIZEOF(size_t)
1374         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
1375                 [#include <sys/types.h>
1376                  #include <sys/stat.h>
1377                  #include <unistd.h>])
1378         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1379                 [#include <sys/types.h>
1380                  #include <sys/stat.h>
1381                  #include <unistd.h>])
1382         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1383                 [#include <sys/time.h>])
1384         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1385                 [#include <sys/poll.h>])
1386         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1387                 [#include <sys/types.h>
1388                  #include <sys/stat.h>
1389                  #include <unistd.h>])
1390         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1391                 [#include <sys/time.h>
1392                  #include <sys/types.h>
1393                  #include <utime.h>])
1394         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1395                 [#include <sys/time.h>])
1396         AC_CHECK_MEMBERS(
1397                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
1398                 [#include <sys/types.h>
1399                  #include <dirent.h>])
1400
1401         dnl Favour xattr through glibc, but use libattr if we have to
1402         AC_CHECK_FUNC(lsetxattr, ,
1403                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1404         )
1405         AC_SUBST(XATTR_LIB)
1406         
1407         dnl *********************************
1408         dnl *** Checks for Windows compilation ***
1409         dnl *********************************
1410         AC_CHECK_HEADERS(sys/time.h)
1411         AC_CHECK_HEADERS(sys/param.h)
1412
1413         dnl *********************************
1414         dnl *** Check for Console 2.0 I/O ***
1415         dnl *********************************
1416         AC_CHECK_HEADERS([curses.h])
1417         AC_CHECK_HEADERS([term.h], [], [],
1418         [#if HAVE_CURSES_H
1419          #include <curses.h>
1420          #endif
1421         ])
1422         AC_CHECK_HEADERS([termios.h])
1423
1424         dnl * This is provided in io-layer, but on windows it's only available
1425         dnl * on xp+
1426         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1427 else
1428         jdk_headers_found=no
1429         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1430         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1431         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1432         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
1433         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1434
1435         dnl *********************************
1436         dnl *** Check for struct ip_mreqn ***
1437         dnl *********************************
1438         AC_MSG_CHECKING(for struct ip_mreqn)
1439         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1440                 struct ip_mreqn mreq;
1441                 mreq.imr_address.s_addr = 0;
1442         ], [
1443                 # Yes, we have it...
1444                 AC_MSG_RESULT(yes)
1445                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1446         ], [
1447                 # We'll just have to try and use struct ip_mreq
1448                 AC_MSG_RESULT(no)
1449                 AC_MSG_CHECKING(for struct ip_mreq)
1450                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1451                         struct ip_mreq mreq;
1452                         mreq.imr_interface.s_addr = 0;
1453                 ], [
1454                         # Yes, we have it...
1455                         AC_MSG_RESULT(yes)
1456                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1457                 ], [
1458                         # No multicast support
1459                         AC_MSG_RESULT(no)
1460                 ])
1461         ])
1462         AC_CHECK_FUNCS(GetProcessId)
1463 fi
1464
1465 dnl socklen_t check
1466 AC_MSG_CHECKING(for socklen_t)
1467 AC_TRY_COMPILE([
1468 #include <sys/types.h>
1469 #include <sys/socket.h>
1470 ],[
1471   socklen_t foo;
1472 ],[
1473 ac_cv_c_socklen_t=yes
1474         AC_DEFINE(HAVE_SOCKLEN_T)
1475         AC_MSG_RESULT(yes)
1476 ],[
1477         AC_MSG_RESULT(no)
1478 ])
1479
1480 AC_MSG_CHECKING(for array element initalizer support)
1481 AC_TRY_COMPILE([#include <sys/socket.h>], [
1482         const int array[] = {[1] = 2,};
1483 ], [
1484         # Yes, we have it...
1485         AC_MSG_RESULT(yes)
1486         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1487 ], [
1488         # We'll have to use signals
1489         AC_MSG_RESULT(no)
1490 ])
1491
1492 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1493         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1494         AC_TRY_LINK([#include <math.h>], 
1495         [ static void *p = &trunc; ],
1496         [
1497                 AC_DEFINE(HAVE_TRUNC) 
1498                 AC_MSG_RESULT(yes)
1499                 ac_cv_trunc=yes
1500         ],
1501         AC_MSG_RESULT(no)))
1502
1503 if test "x$ac_cv_truncl" != "xyes"; then
1504    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL) LIBS="$LIBS -lsunmath"])
1505 fi
1506
1507 dnl ****************************
1508 dnl *** Look for /dev/random ***
1509 dnl ****************************
1510
1511 AC_MSG_CHECKING([if usage of random device is requested])
1512 AC_ARG_ENABLE(dev-random,
1513 [  --disable-dev-random    disable the use of the random device],
1514 try_dev_random=$enableval, try_dev_random=yes)
1515 AC_MSG_RESULT($try_dev_random)
1516
1517 case "{$target}" in
1518     *-openbsd*)
1519     NAME_DEV_RANDOM="/dev/srandom"
1520     ;;
1521
1522 dnl Win32 does not have /dev/random, they have their own method...
1523
1524     *-*-mingw*|*-*-cygwin*)
1525     ac_cv_have_dev_random=no
1526     ;;
1527
1528 dnl Everywhere else, it's /dev/random
1529
1530     *)
1531     NAME_DEV_RANDOM="/dev/random"
1532     ;;
1533 esac
1534
1535 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
1536
1537 dnl Now check if the device actually exists
1538
1539 if test "x$try_dev_random" = "xyes"; then
1540     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1541     [if test -r "$NAME_DEV_RANDOM" ; then
1542         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1543     if test "x$ac_cv_have_dev_random" = "xyes"; then
1544         AC_DEFINE(HAVE_CRYPT_RNG)
1545     fi
1546 else
1547     AC_MSG_CHECKING(for random device)
1548     ac_cv_have_dev_random=no
1549     AC_MSG_RESULT(has been disabled)
1550 fi
1551
1552 if test "x$platform_win32" = "xyes"; then
1553     AC_DEFINE(HAVE_CRYPT_RNG)
1554 fi
1555
1556 if test "x$ac_cv_have_dev_random" = "xno" \
1557     && test "x$platform_win32" = "xno"; then
1558     AC_MSG_WARN([[
1559 ***
1560 *** A system-provided entropy source was not found on this system.
1561 *** Because of this, the System.Security.Cryptography random number generator
1562 *** will throw a NotImplemented exception.
1563 ***
1564 *** If you are seeing this message, and you know your system DOES have an
1565 *** entropy collection in place, please contact <crichton@gimp.org> and
1566 *** provide information about the system and how to access the random device.
1567 ***
1568 *** Otherwise you can install either egd or prngd and set the environment
1569 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1570 ***]])
1571 fi
1572  
1573 AC_MSG_CHECKING([if inter-process shared handles are requested])
1574 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1575 AC_MSG_RESULT($try_shared_handles)
1576 if test "x$try_shared_handles" != "xyes"; then
1577         AC_DEFINE(DISABLE_SHARED_HANDLES)
1578         AC_SUBST(DISABLE_SHARED_HANDLES)
1579 fi
1580
1581 AC_ARG_ENABLE(nunit-tests, [ --enable-nunit-tests       Run the nunit tests of the class library on 'make check'])
1582 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1583
1584 TARGET="unknown"
1585 ACCESS_UNALIGNED="yes"
1586
1587 JIT_SUPPORTED=no
1588 INTERP_SUPPORTED=no
1589 LIBC="libc.so.6"
1590 INTL="libc.so.6"
1591 SQLITE="libsqlite.so.0"
1592 SQLITE3="libsqlite3.so.0"
1593 X11="libX11.so"
1594
1595 jit_wanted=false
1596 interp_wanted=false
1597 case "$host" in
1598 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1599 #               TARGET=MIPS;
1600 #               ACCESS_UNALIGNED="no"
1601 #               ;;
1602         mips*)
1603                 TARGET=MIPS;
1604                 arch_target=mips;
1605                 ACCESS_UNALIGNED="no"
1606                 JIT_SUPPORTED=yes
1607                 jit_wanted=true
1608                 ;;
1609         i*86-*-*)
1610                 TARGET=X86;
1611                 arch_target=x86;
1612                 JIT_SUPPORTED=yes
1613                 jit_wanted=true
1614                 case $host_os in
1615                   solaris*)
1616                         LIBC="libc.so"
1617                         INTL="libintl.so"
1618                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
1619                                 TARGET=AMD64
1620                                 arch_target=amd64
1621                         fi
1622
1623                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
1624                         # int astruct __attribute__ ((visibility ("hidden")));
1625                         # void foo ()
1626                         # {
1627                         #       void *p = &astruct;
1628                         # }
1629                         # gcc -fPIC --shared -o libfoo.so foo.c
1630                         # yields:
1631                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
1632                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
1633                         have_visibility_hidden=no
1634
1635                 esac
1636                 ;;
1637         x86_64-*-* | amd64-*-*)
1638                 TARGET=AMD64;
1639                 arch_target=amd64;
1640                 JIT_SUPPORTED=yes
1641                 jit_wanted=true
1642                 ;;
1643         ia64-*-*)
1644                 TARGET=IA64
1645                 arch_target=ia64
1646                 ACCESS_UNALIGNED="no"
1647                 JIT_SUPPORTED=yes
1648                 jit_wanted=true
1649                 LIBC="libc.so.6.1"
1650                 INTL="libc.so.6.1"
1651                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
1652                 libmono_ldflags="-lunwind"
1653                 ;;
1654         sparc*-*-*)
1655                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
1656                    TARGET=SPARC64
1657                 else
1658                         TARGET=SPARC
1659                 fi
1660                 arch_target=sparc;
1661                 JIT_SUPPORTED=yes
1662                 ACCESS_UNALIGNED="no"
1663                 case $host_os in
1664                   linux*) ;;
1665                   *)
1666                         LIBC="libc.so"
1667                         INTL="libintl.so"
1668                 esac
1669                 jit_wanted=true
1670                 if test x"$GCC" = xyes; then
1671                         # We don't support v8 cpus
1672                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
1673                 fi
1674                 if test x"$AR" = xfalse; then
1675                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
1676                 fi
1677                 ;;
1678        alpha*-*-linux* | alpha*-*-osf*)
1679                 TARGET=ALPHA;
1680                 ACCESS_UNALIGNED="no"
1681                 JIT_SUPPORTED=yes
1682                 jit_wanted=true
1683                 arch_target=alpha;
1684                 CFLAGS="$CFLAGS -mieee -O0"
1685                 case $host_os in
1686                   linux*)
1687                         LIBC="libc.so.6.1"
1688                         INTL="libc.so.6.1"
1689                 esac
1690                ;;
1691         *-*-mingw*|*-*-cygwin*)
1692                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
1693                 have_visibility_hidden=no
1694                 INTL="intl"
1695                 ;;
1696         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1697                 TARGET=HPPA;
1698                 arch_target=hppa; 
1699                 LIBC="libc.sl"
1700                 ACCESS_UNALIGNED="no"
1701                 INTERP_SUPPORTED=yes
1702                 interp_wanted=true
1703                 ;;
1704         hppa*linux*)
1705                 TARGET=HPPA;
1706                 arch_target=hppa; 
1707                 ACCESS_UNALIGNED="no"
1708                 INTERP_SUPPORTED=yes
1709                 interp_wanted=true
1710                 ;;
1711         macppc-*-openbsd* | powerpc-*-linux* | powerpc-*-openbsd* | \
1712         powerpc-*-sysv* | powerpc-*-darwin*)
1713                 TARGET=POWERPC;
1714                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1715                 arch_target=ppc;
1716                 JIT_SUPPORTED=yes
1717                 jit_wanted=true
1718                 ;;
1719         arm*-linux*)
1720                 TARGET=ARM;
1721                 arch_target=arm;
1722                 ACCESS_UNALIGNED="no"
1723                 JIT_SUPPORTED=yes
1724                 jit_wanted=true
1725                 ;;
1726         s390-*-linux*)
1727                 TARGET=S390;
1728                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1729                 arch_target=s390;
1730                 ACCESS_UNALIGNED="no"
1731                 JIT_SUPPORTED=yes
1732                 jit_wanted=true
1733                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
1734                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1735                 ;;
1736         s390x-*-linux*)
1737                 TARGET=S390x;
1738                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1739                 arch_target=s390x;
1740                 ACCESS_UNALIGNED="no"
1741                 JIT_SUPPORTED=yes
1742                 jit_wanted=true
1743                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1744                 ;;
1745 esac
1746
1747 if test "x$have_visibility_hidden" = "xyes"; then
1748    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
1749 fi
1750
1751 AC_ARG_WITH(jit, [  --with-jit=yes,no       If you want to build scripts that default to the JIT],[
1752         if test x$withval = xyes; then
1753            jit_wanted=true
1754         else
1755            jit_wanted=false
1756         fi
1757 ])
1758
1759 AC_ARG_WITH(interp, [  --with-interp=yes,no    If you want to build scripts that default to the interpreter],[
1760         if test x$withval = xyes; then
1761            interp_wanted=true
1762         else
1763            interp_wanted=false
1764         fi
1765 ])
1766
1767 USEJIT=false
1768 if test x$JIT_SUPPORTED = xyes; then
1769    if $jit_wanted; then
1770       USEJIT=true
1771       jit_status="Building and using the JIT"
1772    else
1773       if $interp_wanted; then
1774          jit_status="Building the JIT, defaulting to the interpreter"
1775       else
1776          AC_ERROR(No JIT or interpreter support available or selected.)
1777       fi
1778    fi
1779 else
1780    if test x$interp_wanted = xtrue; then
1781       jit_status="interpreter"
1782    else
1783       AC_ERROR(No JIT or interpreter support available or selected.)
1784    fi
1785 fi
1786
1787 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
1788
1789 libsuffix=".so"
1790
1791 case "$host" in
1792      *-*-darwin*)
1793         libsuffix=".dylib"
1794         LIBC="libc.dylib"
1795         INTL="libintl.dylib"
1796         SQLITE="libsqlite.0.dylib"
1797         SQLITE3="libsqlite3.0.dylib"
1798         X11="libX11.dylib"
1799         ;;
1800      *-*-*netbsd*)
1801         LIBC="libc.so.12"
1802         INTL="libintl.so.0"
1803         ;;
1804     *-*-*freebsd*)
1805         LIBC="libc.so"
1806         INTL="libintl.so"
1807         ;;
1808     *-*-*openbsd*)
1809         LIBC="libc.so"
1810         INTL="libintl.so"
1811         ;;
1812     *-*-*linux*)
1813         AC_PATH_X
1814         AC_MSG_CHECKING(for the soname of libX11.so)
1815         for i in $x_libraries /usr/lib /usr/lib64; do
1816                 for r in 4 5 6; do
1817                         if test -f $i/libX11.so.$r; then
1818                                 X11=libX11.so.$r
1819                                 AC_MSG_RESULT($X11)
1820                         fi
1821                 done
1822         done
1823         
1824         if test "x$X11" = "xlibX11.so"; then
1825                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? WinForms may not work...]);
1826         fi
1827         ;;
1828 esac
1829
1830
1831 AC_SUBST(libsuffix)
1832
1833 if test "x$TARGET" != "xAMD64"; then
1834    # valgrind headers don't compile under x86-64
1835    AC_CHECK_HEADERS(valgrind/memcheck.h)
1836 fi
1837
1838 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1839         if test "x$with_tls" = "x__thread"; then
1840                 #
1841                 # On some linux distributions, TLS works in executables, but linking 
1842                 # against a shared library containing TLS fails with:
1843                 # undefined reference to `__tls_get_addr'
1844                 #
1845                 rm -f conftest.c conftest.so conftest
1846                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
1847                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
1848                 $CC -o conftest conftest.so > /dev/null 2>&1
1849                 if test ! -f conftest; then
1850                    AC_MSG_WARN([Disabling usage of __thread.]);
1851                    with_tls=pthread
1852                 fi
1853                 rm -f conftest.c conftest.so conftest
1854         fi
1855 fi
1856
1857 mono_debugger_supported=no
1858 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA"; then
1859         if test x$use_included_gc = xyes; then
1860                 case "$host" in
1861                 *-*-*linux*)
1862                         mono_debugger_supported=yes
1863                         ;;
1864                 esac
1865         fi
1866 fi
1867
1868 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
1869 if test "x$mono_debugger_supported" = "xyes"; then
1870         AC_DEFINE(MONO_DEBUGGER_SUPPORTED,1,[The Mono Debugger is supported on this platform])
1871 fi
1872 AC_MSG_RESULT($mono_debugger_supported)
1873 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
1874
1875 if test "x$with_tls" = "x__thread"; then
1876         AC_DEFINE(HAVE_KW_THREAD)
1877         # Pass the information to libgc
1878         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
1879         AC_MSG_CHECKING(if the tls_model attribute is supported)
1880         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
1881                 ], [
1882                         AC_MSG_RESULT(yes)
1883                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
1884                 ], [
1885                         AC_MSG_RESULT(no)
1886         ])
1887 fi
1888
1889 if test ${TARGET} = ARM; then
1890         dnl ******************************************
1891         dnl *** Check to see what FPU is available ***
1892         dnl ******************************************
1893         AC_MSG_CHECKING(which FPU to use)
1894
1895         AC_TRY_COMPILE([], [
1896                 __asm__ ("ldfd f0, [r0]");
1897                 ], fpu=FPA, [
1898                         AC_TRY_COMPILE([], [
1899                                 __asm__ ("fldd d0, [r0]");
1900                         ], fpu=VFP, fpu=NONE)
1901                 ])
1902
1903         AC_MSG_RESULT($fpu)
1904         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
1905         unset fpu
1906 fi
1907
1908 if test ${TARGET} = unknown; then
1909         CPPFLAGS="$CPPFLAGS -DNO_PORT"
1910         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
1911 fi
1912
1913 if test ${ACCESS_UNALIGNED} = no; then
1914         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
1915 fi
1916
1917 PREVIEW=yes
1918 AC_ARG_WITH(preview, [ --with-preview=yes,no     If you want to install the 2.0 FX preview],[
1919         if test x$with_preview = xno; then
1920               PREVIEW=no
1921         fi
1922 ])
1923
1924 libmono_ldflags="$libmono_ldflags $LIBS"
1925
1926 AM_CONDITIONAL(INSTALL_2_0, test x$PREVIEW = xyes)
1927
1928 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
1929 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
1930 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
1931 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
1932 AM_CONDITIONAL(X86, test x$TARGET = xX86)
1933 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
1934 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
1935 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
1936 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
1937 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
1938 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
1939 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
1940 AM_CONDITIONAL(S390, test x$TARGET = xS390)
1941 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
1942 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
1943
1944 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
1945 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
1946 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
1947
1948 AC_SUBST(LIBC)
1949 AC_SUBST(INTL)
1950 AC_SUBST(SQLITE)
1951 AC_SUBST(SQLITE3)
1952 AC_SUBST(X11)
1953 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
1954 AC_SUBST(arch_target)
1955 AC_SUBST(CFLAGS)
1956 AC_SUBST(CPPFLAGS)
1957 AC_SUBST(LDFLAGS)
1958
1959 mono_build_root=`pwd`
1960 AC_SUBST(mono_build_root)
1961
1962 if test x$USEJIT = xtrue; then
1963   mono_runtime=mono/mini/mono
1964 else
1965   mono_runtime=mono/interpreter/mint
1966 fi
1967 AC_SUBST(mono_runtime)
1968
1969 mono_cfg_root=$mono_build_root/runtime
1970 if test x$platform_win32 = xyes; then
1971   mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
1972 else
1973   mono_cfg_dir=$mono_cfg_root/etc
1974 fi
1975 AC_SUBST(mono_cfg_dir)
1976
1977 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
1978 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
1979 AC_CONFIG_FILES([runtime/semdel-wrapper],[chmod +x runtime/semdel-wrapper])
1980
1981 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
1982 [   depth=../../../..
1983     case $srcdir in
1984     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1985     .) reldir=$depth ;;
1986     *) reldir=$depth/$srcdir ;;
1987     esac
1988     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
1989     cd runtime/etc/mono/1.0
1990     rm -f machine.config
1991     $LN_S $reldir/data/net_1_1/machine.config machine.config
1992     cd $depth
1993 ],[LN_S='$LN_S'])
1994
1995 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
1996 [   depth=../../../..
1997     case $srcdir in
1998     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1999     .) reldir=$depth ;;
2000     *) reldir=$depth/$srcdir ;;
2001     esac
2002     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
2003     cd runtime/etc/mono/2.0
2004     rm -f machine.config
2005     $LN_S $reldir/data/net_2_0/machine.config machine.config
2006     cd $depth
2007 ],[LN_S='$LN_S'])
2008
2009 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
2010 [   depth=../../../..
2011     case $srcdir in
2012     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2013     .) reldir=$depth ;;
2014     *) reldir=$depth/$srcdir ;;
2015     esac
2016     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
2017     cd runtime/etc/mono/2.0
2018     rm -f web.config
2019     $LN_S $reldir/data/net_2_0/web.config web.config
2020     cd $depth
2021 ],[LN_S='$LN_S'])
2022
2023 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
2024 [   depth=../../..
2025     case $srcdir in
2026     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2027     .) reldir=$depth ;;
2028     *) reldir=$depth/$srcdir ;;
2029     esac
2030     $ac_aux_dir/install-sh -d runtime/etc/mono/
2031     cd runtime/etc/mono/
2032     rm -f browscap.ini
2033     $LN_S $reldir/data/browscap.ini browscap.ini
2034     cd $depth
2035 ],[LN_S='$LN_S'])
2036
2037 AC_OUTPUT([
2038 Makefile
2039 mint.pc
2040 mono.pc
2041 mono-cairo.pc
2042 dotnet.pc
2043 mono-uninstalled.pc
2044 scripts/mono-nunit.pc
2045 scripts/mono-find-provides
2046 scripts/mono-find-requires
2047 mono/Makefile
2048 mono/utils/Makefile
2049 mono/metadata/Makefile
2050 mono/dis/Makefile
2051 mono/cil/Makefile
2052 mono/arch/Makefile
2053 mono/os/Makefile
2054 mono/arch/x86/Makefile
2055 mono/arch/amd64/Makefile
2056 mono/arch/hppa/Makefile
2057 mono/arch/ppc/Makefile
2058 mono/arch/sparc/Makefile
2059 mono/arch/s390/Makefile
2060 mono/arch/s390x/Makefile
2061 mono/arch/arm/Makefile
2062 mono/arch/alpha/Makefile
2063 mono/arch/ia64/Makefile
2064 mono/arch/mips/Makefile
2065 mono/interpreter/Makefile
2066 mono/tests/Makefile
2067 mono/tests/tests-config
2068 mono/tests/cas/Makefile
2069 mono/tests/cas/assembly/Makefile
2070 mono/tests/cas/demand/Makefile
2071 mono/tests/cas/inheritance/Makefile
2072 mono/tests/cas/linkdemand/Makefile
2073 mono/tests/cas/threads/Makefile
2074 mono/benchmark/Makefile
2075 mono/monoburg/Makefile
2076 mono/monograph/Makefile
2077 mono/io-layer/Makefile
2078 mono/mini/Makefile
2079 mono/profiler/Makefile
2080 ikvm-native/Makefile
2081 scripts/Makefile
2082 man/Makefile
2083 web/Makefile
2084 docs/Makefile
2085 data/Makefile
2086 data/net_1_1/Makefile
2087 data/net_2_0/Makefile
2088 samples/Makefile
2089 support/Makefile
2090 data/config
2091 tools/Makefile
2092 tools/locale-builder/Makefile
2093 runtime/Makefile
2094 msvc/Makefile
2095 ])
2096
2097 if test x$platform_win32 = xyes; then
2098    # Get rid of 'cyg' prefixes in library names
2099    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2100    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
2101    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
2102    # executable doesn't work...
2103    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2104 fi
2105
2106 (
2107   case $prefix in
2108   NONE) prefix=$ac_default_prefix ;;
2109   esac
2110   case $exec_prefix in
2111   NONE) exec_prefix='${prefix}' ;;
2112   esac
2113
2114   test -w $srcdir/$mcsdir/build || chmod +w $srcdir/$mcsdir/build
2115
2116   #
2117   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
2118   # any existing config.make.  This allows people to share the same source tree
2119   # with different build directories, one native and one cross
2120   #
2121   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2122     echo "prefix=$prefix" > $srcdir/$mcsdir/build/config.make
2123     echo "exec_prefix=$exec_prefix" >> $srcdir/$mcsdir/build/config.make
2124     echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$mcsdir/build/config.make
2125     echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$mcsdir/build/config.make
2126     echo 'IL_FLAGS = /debug' >> $srcdir/$mcsdir/build/config.make
2127     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$mcsdir/build/config.make
2128     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $srcdir/$mcsdir/build/config.make
2129
2130     case $INSTALL in
2131     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
2132     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
2133     esac
2134
2135     echo "INSTALL = $mcs_INSTALL" >> $srcdir/$mcsdir/build/config.make
2136
2137     export VERSION
2138     [myver=$($AWK 'BEGIN {
2139       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
2140       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
2141     }')]
2142
2143     echo "MONO_VERSION = $myver" >> $srcdir/$mcsdir/build/config.make
2144   fi
2145 )
2146
2147 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
2148
2149 echo "
2150         mcs source:  $mcs_topdir
2151         GC:          $gc
2152         TLS:         $with_tls
2153         SIGALTSTACK: $with_sigaltstack
2154         Engine:      $jit_status
2155         2.0 Alpha:   $PREVIEW
2156         JNI support: $jdk_headers_found
2157         libgdiplus:  $libgdiplus_msg
2158         zlib:        $zlib_msg
2159         $disabled
2160
2161 "
2162 if test x$with_static_mono = xno -a "x$platform_win32" != "xyes"; then
2163    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexepcted bugs)
2164 fi
2165
2166 if test x$gc = xsgen; then
2167         echo IMPORTANT:
2168         echo IMPORTANT: You have selected an experimental, work-in-progress 
2169         echo IMPORTANT: GC engine.  This GC engine is currently not supported
2170         echo IMPORTANT: and is not yet ready for use.  
2171         echo IMPORTANT:
2172         echo IMPORTANT: There are known problems with it, use at your own risk.
2173 fi