2008-03-20 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,1.9)
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$cross_compiling" = "xno"; then
68                         CC="gcc -mno-cygwin -g"
69                         # So libgc configure gets -mno-cygwin
70                         export CC
71                 fi
72                 HOST_CC="gcc"
73                 # Windows 2000 is required that includes Internet Explorer 5.01
74                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
75                 # export for libgc configure
76                 export CPPFLAGS
77                 libmono_cflags="-mno-cygwin"
78                 libmono_ldflags="-mno-cygwin"
79                 libdl=
80                 libgc_threads=win32
81                 gc_default=included
82                 with_sigaltstack=no
83                 LN_S=cp
84                 # This forces libgc to use the DllMain based thread registration code on win32
85                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
86                 ;;
87         *-*-*netbsd*)
88                 platform_win32=no
89                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
90                 libmono_cflags="-D_REENTRANT"
91                 LDFLAGS="$LDFLAGS -pthread"
92                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
93                 libmono_ldflags="-pthread"
94                 need_link_unlink=yes
95                 libdl="-ldl"
96                 libgc_threads=pthreads
97                 with_sigaltstack=no
98                 ;;
99 # these flags will work for all versions of -STABLE
100 #
101         *-*-*freebsd4*)
102                 platform_win32=no
103                 if test "x$PTHREAD_CFLAGS" = "x"; then
104                         CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
105                         libmono_cflags="-D_THREAD_SAFE"
106                 else
107                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
108                         libmono_cflags="$PTHREAD_CFLAGS"
109                 fi
110                 if test "x$PTHREAD_LIBS" = "x"; then
111                         LDFLAGS="$LDFLAGS -pthread"
112                         libmono_ldflags="-pthread"
113                 else
114                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
115                         libmono_ldflags="$PTHREAD_LIBS"
116                 fi
117                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD4"
118                 need_link_unlink=yes
119                 AC_DEFINE(PTHREAD_POINTER_ID)
120                 libdl=
121                 libgc_threads=pthreads
122 # TLS isn't implemented at all on 4-STABLE
123                 with_tls=pthread
124                 ;;
125         *-*-*freebsd5*)
126                 platform_win32=no
127                 if test "x$PTHREAD_CFLAGS" = "x"; then
128                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
129                         libmono_cflags=
130                 else
131                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
132                         libmono_cflags="$PTHREAD_CFLAGS"
133                 fi
134                 if test "x$PTHREAD_LIBS" = "x"; then
135                         LDFLAGS="$LDFLAGS -pthread"
136                         libmono_ldflags="-pthread"
137                 else
138                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
139                         libmono_ldflags="$PTHREAD_LIBS"
140                 fi
141                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD5"
142                 need_link_unlink=yes
143                 AC_DEFINE(PTHREAD_POINTER_ID)
144                 libdl=
145                 with_sigaltstack=yes
146                 libgc_threads=pthreads
147 # TLS is only partially implemented on 5-STABLE (compiler support
148 # but NOT library support)
149 #
150                 with_tls=pthread
151                 ;;
152         *-*-*freebsd6*)
153                 platform_win32=no
154                 if test "x$PTHREAD_CFLAGS" = "x"; then
155                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
156                         libmono_cflags=
157                 else
158                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
159                         libmono_cflags="$PTHREAD_CFLAGS"
160                 fi
161                 if test "x$PTHREAD_LIBS" = "x"; then
162                         LDFLAGS="$LDFLAGS -pthread"
163                         libmono_ldflags="-pthread"
164                 else
165                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
166                         libmono_ldflags="$PTHREAD_LIBS"
167                 fi
168                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD6"
169                 need_link_unlink=yes
170                 AC_DEFINE(PTHREAD_POINTER_ID)
171                 libdl=
172                 libgc_threads=pthreads
173                 with_sigaltstack=yes
174 # TLS is only partially implemented on -CURRENT (compiler support
175 # but NOT library support)
176 #
177                 with_tls=pthread
178                 ;;
179         *-*-*openbsd*)
180                 platform_win32=no
181                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
182                 libmono_cflags="-D_THREAD_SAFE"
183                 LDFLAGS="$LDFLAGS -pthread"
184                 libmono_ldflags="-pthread"
185                 need_link_unlink=yes
186                 AC_DEFINE(PTHREAD_POINTER_ID)
187                 libdl=
188                 libgc_threads=pthreads
189                 ;;
190         *-*-linux*)
191                 platform_win32=no
192                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP"
193                 libmono_cflags="-D_REENTRANT"
194                 libmono_ldflags="-lpthread"
195                 libdl="-ldl"
196                 libgc_threads=pthreads
197                 ;;
198         *-*-hpux*)
199         platform_win32=no
200                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
201                 # +ESdbgasm only valid on bundled cc on RISC
202                 # silently ignored for ia64
203                 if test $GCC != "yes"; then
204                         CFLAGS="$CFLAGS +ESdbgasm"
205                         # Arrange for run-time dereferencing of null
206                         # pointers to produce a SIGSEGV signal.
207                         LDFLAGS="$LDFLAGS -z"
208                 fi
209                 CFLAGS="$CFLAGS +ESdbgasm"
210                 LDFLAGS="$LDFLAGS -z"
211                 libmono_cflags="-D_REENTRANT"
212                 libmono_ldflags="-lpthread"
213                 libgc_threads=pthreads
214                 need_link_unlink=yes
215                 ;;
216         *-*-solaris*)
217                 platform_win32=no
218                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
219                 need_link_unlink=yes
220                 libmono_cflags="-D_REENTRANT"
221                 libgc_threads=pthreads
222                 # This doesn't seem to work on solaris/x86, but the configure test runs
223                 with_tls=pthread
224                 ;;
225         *-*-darwin*)
226                 platform_win32=no
227                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
228                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
229                 libmono_cflags="-D_THREAD_SAFE"
230                 LDFLAGS="$LDFLAGS -pthread"
231                 libmono_ldflags="-pthread"
232                 need_link_unlink=yes
233                 AC_DEFINE(PTHREAD_POINTER_ID)
234                 AC_DEFINE(USE_MACH_SEMA)
235                 no_version_script=yes
236                 libdl=
237                 libgc_threads=pthreads
238                 if test "x$cross_compiling" = "xyes"; then
239                         has_broken_apple_cpp=yes
240                 fi
241                 ;;
242         *)
243                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
244                 platform_win32=no
245                 libdl="-ldl"
246                 ;;
247 esac
248 AC_MSG_RESULT(ok)
249
250 if test x$need_link_unlink = xyes; then
251    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
252 fi
253
254 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
255
256 AC_CHECK_TOOL(CC, gcc, gcc)
257 AC_PROG_CC
258 AM_PROG_AS
259 AM_PROG_CC_STDC
260 AC_PROG_INSTALL
261 AC_PROG_AWK
262 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
263 : ${CCAS='$(CC)'}
264 # Set ASFLAGS if not already set.
265 : ${CCASFLAGS='$(CFLAGS)'}
266 AC_SUBST(CCAS)
267 AC_SUBST(CCASFLAGS)
268
269 AC_CHECK_PROG(BISON, bison,yes,no)
270 if test "x$BISON" = "xno";
271 then
272         AC_MSG_ERROR([You need to install bison])
273 fi
274
275 dnl may require a specific autoconf version
276 dnl AC_PROG_CC_FOR_BUILD
277 dnl CC_FOR_BUILD not automatically detected
278 CC_FOR_BUILD=$CC
279 CFLAGS_FOR_BUILD=$CFLAGS
280 BUILD_EXEEXT=
281 if test "x$cross_compiling" = "xyes"; then
282         CC_FOR_BUILD=cc
283         CFLAGS_FOR_BUILD=
284         BUILD_EXEEXT=""
285 fi
286 AC_SUBST(CC_FOR_BUILD)
287 AC_SUBST(CFLAGS_FOR_BUILD)
288 AC_SUBST(HOST_CC)
289 AC_SUBST(BUILD_EXEEXT)
290
291 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
292
293 # Set STDC_HEADERS
294 AC_HEADER_STDC
295 AC_LIBTOOL_WIN32_DLL
296 # This causes monodis to not link correctly
297 #AC_DISABLE_FAST_INSTALL
298 AM_PROG_LIBTOOL
299
300 # Test whenever ld supports -version-script
301 AC_PROG_LD
302 AC_PROG_LD_GNU
303 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
304    no_version_script=yes
305 fi
306
307 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
308
309 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h)
310
311 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
312 if test x$have_zlib = xyes; then
313    AC_TRY_COMPILE([#include <zlib.h>], [
314    void main () {
315    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
316    }
317    #else
318    #error No good zlib found
319    #endif
320    ],[
321         AC_MSG_RESULT(Using system zlib)
322         zlib_msg="system zlib"
323    ],[
324         AC_MSG_RESULT(Using embedded zlib)
325         have_zlib=no
326         zlib_msg="bundled zlib"
327    ])
328 fi
329
330 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
331 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
332
333 # for mono/metadata/debug-symfile.c
334 AC_CHECK_HEADERS(elf.h)
335
336 # for support
337 AC_CHECK_HEADERS(poll.h)
338 AC_CHECK_HEADERS(sys/poll.h)
339 AC_CHECK_HEADERS(sys/wait.h)
340 AC_CHECK_HEADERS(grp.h)
341 AC_CHECK_HEADERS(syslog.h)
342
343 # for mono/dis
344 AC_CHECK_HEADERS(wchar.h)
345 case "$host" in
346         *-*-*freebsd6*)
347                 AC_CHECK_HEADERS(ieeefp.h)
348         ;;
349         *-*-*freebsd*)
350                 /* Only freebsd6 has a working ieeefp.h */
351         ;;
352         *)
353                 AC_CHECK_HEADERS(ieeefp.h)
354         ;;
355 esac
356 AC_MSG_CHECKING(for isinf)
357 AC_TRY_LINK([#include <math.h>], [
358         int f = isinf (1);
359 ], [
360         AC_MSG_RESULT(yes)
361         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
362 ], [
363         # We'll have to use signals
364         AC_MSG_RESULT(no)
365 ])
366
367
368 # not 64 bit clean in cross-compile
369 AC_CHECK_SIZEOF(void *, 4)
370
371 WARN=''
372 if test x"$GCC" = xyes; then
373         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wcast-align -Wwrite-strings'
374                 # The runtime code does not respect ANSI C strict aliasing rules
375                 CFLAGS="$CFLAGS -fno-strict-aliasing"
376
377                 ORIG_CFLAGS=$CFLAGS
378                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
379                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
380                 AC_TRY_COMPILE([], [
381                                                    void main () { }
382                 ], [
383                    AC_MSG_RESULT(yes)
384                 ], [
385                    AC_MSG_RESULT(no)
386                    CFLAGS=$ORIG_CFLAGS
387                 ])
388 else
389         # The Sun Forte compiler complains about inline functions that access static variables
390         # so disable all inlining.
391         case "$host" in
392         *-*-solaris*)
393                 CFLAGS="$CFLAGS -Dinline="
394                 ;;
395         esac
396 fi
397 CFLAGS="$CFLAGS -g $WARN"
398
399 # Where's the 'mcs' source tree?
400 if test -d $srcdir/mcs; then
401   mcsdir=mcs
402 else
403   mcsdir=../mcs
404 fi
405
406 mcs_topdir='$(top_srcdir)/'$mcsdir
407 mcs_topdir_from_srcdir='$(top_builddir)/'$mcsdir
408
409 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
410 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
411
412 AC_SUBST([mcs_topdir])
413 AC_SUBST([mcs_topdir_from_srcdir])
414
415 # Where's the 'olive' source tree?
416 if test -d $srcdir/olive; then
417   olivedir=olive
418 else
419   olivedir=../olive
420 fi
421
422 if test -d $srcdir/$olivedir; then
423 olive_topdir='$(top_srcdir)/'$olivedir
424 fi
425
426 AC_ARG_WITH([libgdiplus], 
427         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to NO)], 
428         [], [with_libgdiplus=installed])
429
430 case $with_libgdiplus in
431 no|installed) libgdiplus_loc= ;;
432 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
433 /*) libgdiplus_loc=$with_libgdiplus ;;
434 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
435 esac
436 AC_SUBST([libgdiplus_loc])
437
438 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
439 if test "x$PKG_CONFIG" = "xno"; then
440         AC_MSG_ERROR([You need to install pkg-config])
441 fi
442
443 pkg_config_path=
444 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir],
445         if test x$with_crosspkgdir = "x"; then
446                 if test -s $PKG_CONFIG_PATH; then
447                         pkg_config_path=$PKG_CONFIG_PATH
448                 fi
449         else
450                 pkg_config_path=$with_crosspkgdir
451                 PKG_CONFIG_PATH=$pkg_config_path
452                 export PKG_CONFIG_PATH
453         fi
454 )
455
456 AC_ARG_WITH([glib],
457         [  --with-glib=embedded|system       Choose glib API: system or embedded (default to system)],
458         [], [with_glib=system])
459
460 eglib_dir=
461
462 case $with_glib in
463 embedded) 
464   GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
465   GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
466   BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
467   BUILD_GLIB_LIBS="$GLIB_LIBS"
468   GMODULE_CFLAGS="$GLIB_CFLAGS"
469   GMODULE_LIBS="$GLIB_LIBS"
470   eglib_dir=eglib
471   AC_CONFIG_SUBDIRS(eglib)
472   ;;
473 system)
474   BUILD_GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
475   BUILD_GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
476
477   ## Versions of dependencies
478   GLIB_REQUIRED_VERSION=1.3.11
479   
480   PKG_CHECK_MODULES(BASE_DEPENDENCIES, glib-2.0 >= $GLIB_REQUIRED_VERSION)
481   
482   GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
483   GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
484   GMODULE_CFLAGS=`$PKG_CONFIG --cflags gmodule-2.0`
485   GMODULE_LIBS=`$PKG_CONFIG --libs gmodule-2.0`
486   ;;
487 *)
488   AC_MSG_ERROR([Invalid argument to --with-glib.])
489 esac
490 AM_CONDITIONAL(EGLIB_BUILD, test x$with_glib = xembedded)
491   
492 AC_SUBST(GLIB_CFLAGS)
493 AC_SUBST(GLIB_LIBS)
494 AC_SUBST(GMODULE_CFLAGS)
495 AC_SUBST(GMODULE_LIBS)
496 AC_SUBST(BUILD_GLIB_CFLAGS)
497 AC_SUBST(BUILD_GLIB_LIBS)
498 AC_SUBST(eglib_dir)
499
500 if test x$cross_compiling$platform_win32 = xnoyes; then
501    AC_MSG_CHECKING(for cygwin glib2-dev package)
502    if [ cygcheck --f /usr/lib/libglib-2.0.dll.a | grep -q glib2-devel ]; then
503       AC_MSG_RESULT(found)
504           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.])
505    else
506       AC_MSG_RESULT(not found, ok)
507    fi
508
509    AC_MSG_CHECKING(for broken gwin32.h)
510    glib_include=`$PKG_CONFIG --cflags-only-I glib-2.0 | sed -e 's/ -I.*//g' | sed -e 's/-I//g'`
511    if test -f $glib_include/glib/gwin32.h; then
512           if [ grep ftruncate $glib_include/glib/gwin32.h | grep -q define ]; then
513                  AC_MSG_RESULT(failed)
514                  hashmark='#'
515                  AC_MSG_ERROR([Your version of gwin32.h is broken and will cause compilation errors when building mono. Please fix it by deleting the line: '$hashmark   define ftruncate...' from '$glib_include/glib/gwin32.h' then re-run configure.])
516           fi
517    fi
518    AC_MSG_RESULT(ok)
519 fi
520
521 AC_ARG_WITH(gc, [  --with-gc=boehm,included,none],[gc=$with_gc],[gc=$gc_default])
522
523 # Enable support for fast thread-local storage
524 # Some systems have broken support, so we allow to disable it.
525 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread       select Thread Local Storage implementation],[],[with_tls=__thread])
526
527 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
528 # This does not work on some platforms (bug #55253)
529 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack],[],[with_sigaltstack=yes])
530
531 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster)],[],[with_static_mono=yes])
532
533 if test "x$enable_static" = "xno"; then
534    with_static_mono=no
535 fi
536
537 if test "x$platform_win32" = "xyes"; then
538    # Boehm GC requires the runtime to be in its own dll
539    with_static_mono=no
540 fi
541
542 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
543 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
544
545 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no      Enable Xen-specific behaviour],[],[with_xen_opt=yes])
546 if test "x$with_xen_opt" = "xyes"; then
547         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
548         ORIG_CFLAGS=$CFLAGS
549         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
550         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
551         AC_TRY_COMPILE([], [
552                                            void main () { }
553         ], [
554            AC_MSG_RESULT(yes)
555         ], [
556            AC_MSG_RESULT(no)
557            CFLAGS=$ORIG_CFLAGS
558         ])
559 fi
560
561 DISABLED_FEATURES=none
562
563 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
564   LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
565   reflection_emit, large_code, logging, com, ssa, generics.],
566 [
567         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
568                 eval "mono_feature_disable_$feature='yes'"
569                 AC_MSG_NOTICE([Disabled support for feature: $feature])
570         done
571         DISABLED_FEATURES=$enable_minimal
572         disabled="Disabled:    $enable_minimal"
573 ],[])
574
575 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
576
577 if test "x$mono_feature_disable_aot" = "xyes"; then
578         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT support])
579 fi
580
581 if test "x$mono_feature_disable_profiler" = "xyes"; then
582         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
583 fi
584
585 if test "x$mono_feature_disable_decimal" = "xyes"; then
586         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
587 fi
588
589 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
590         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
591 fi
592
593 if test "x$mono_feature_disable_debug" = "xyes"; then
594         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
595 fi
596
597 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
598         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
599 fi
600
601 if test "x$mono_feature_disable_large_code" = "xyes"; then
602         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
603 fi
604
605 if test "x$mono_feature_disable_logging" = "xyes"; then
606         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
607 fi
608
609 if test "x$mono_feature_disable_com" = "xyes"; then
610         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
611 fi
612
613 if test "x$mono_feature_disable_ssa" = "xyes"; then
614         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
615 fi
616
617 if test "x$mono_feature_disable_generics" = "xyes"; then
618         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
619 fi
620
621 AC_MSG_CHECKING(for visibility __attribute__)
622 AC_TRY_COMPILE([], [
623    void __attribute__ ((visibility ("hidden"))) doit (void) {}
624    void main () { doit (); }
625 ], [
626    have_visibility_hidden=yes
627    AC_MSG_RESULT(yes)
628 ], [
629    have_visibility_hidden=no
630    AC_MSG_RESULT(no)
631 ])
632
633 LIBGC_CFLAGS=
634 LIBGC_LIBS=
635 LIBGC_STATIC_LIBS=
636 libgc_dir=
637 case "x$gc" in
638         xboehm|xbohem|xyes)
639                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
640                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
641
642                 if test "x$found_boehm" != "xyes"; then
643                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
644                 fi
645                 if test "x$gc_headers" != "xyes"; then
646                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
647                 fi
648
649                 AC_DEFINE(HAVE_BOEHM_GC)
650                 AC_SUBST(HAVE_BOEHM_GC)
651                 LIBGC_LIBS="-lgc $libdl"
652                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
653
654                 # AC_CHECK_FUNCS does not work for some reason...
655                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
656                 if test "x$found_gcj_malloc" = "xyes"; then
657                         AC_DEFINE(HAVE_GC_GCJ_MALLOC)
658                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (with typed GC)", [GC description])
659                 else
660                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (no typed GC)", [GC description])
661                 fi
662                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
663                 if test "x$found_gc_enable" = "xyes"; then
664                         AC_DEFINE(HAVE_GC_ENABLE)
665                 fi
666                 ;;
667
668         xincluded)
669                 AC_CONFIG_SUBDIRS(libgc)
670
671                 # Pass CPPFLAGS to libgc configure
672                 # Maybe we should use a separate variable for this to avoid passing useless and
673                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
674                 export CPPFLAGS
675
676                 found_boehm=yes
677                 gc_headers=yes
678                 use_included_gc=yes
679                 libgc_dir=libgc
680
681                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
682                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
683                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
684
685                 AC_DEFINE(HAVE_BOEHM_GC)
686                 AC_SUBST(HAVE_BOEHM_GC)
687
688                 AC_DEFINE(HAVE_GC_H)
689                 AC_DEFINE(USE_INCLUDED_LIBGC)
690
691                 # The included libgc contains GCJ support
692                 AC_DEFINE(HAVE_GC_GCJ_MALLOC)
693                 AC_DEFINE(HAVE_GC_ENABLE)
694                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Included Boehm (with typed GC)", [GC description])
695                 ;;
696
697         xsgen)
698                 found_boehm=no
699                 gc_headers=no
700                 use_included_gc=no
701                 AC_DEFINE(HAVE_SGEN_GC,1,[Using the simple generational GC.])
702                 AC_DEFINE(HAVE_MOVING_COLLECTOR,1,[The GC can move objects.])
703                 AC_DEFINE(HAVE_WRITE_BARRIERS,1,[The GC needs write barriers.])
704                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Simple generational", [GC description])
705                 ;;
706
707         xnone)
708                 AC_MSG_WARN("Compiling mono without GC.")
709                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "none", [GC description])
710                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
711                 ;;
712         *)
713                 AC_MSG_ERROR([Invalid argument to --with-gc.])
714                 ;;
715 esac
716
717 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no    Enable support for GC heaps larger than 3GB], [large_heap=$withval], [large_heap=no])
718 if test "x$large_heap" = "xyes"; then
719    echo "FOO"
720    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
721 fi
722
723 # tell libgc/configure about what we want
724 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args"
725
726 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
727 AC_SUBST(LIBGC_CFLAGS)
728 AC_SUBST(LIBGC_LIBS)
729 AC_SUBST(LIBGC_STATIC_LIBS)
730 AC_SUBST(libgc_dir)
731
732 dnl
733 dnl End of libgc checks
734 dnl
735
736 if test x$platform_win32 = xno; then
737
738         dnl hires monotonic clock support
739         AC_SEARCH_LIBS(clock_gettime, rt)
740
741         dnl dynamic loader support
742         AC_CHECK_FUNC(dlopen, DL_LIB="",
743                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
744         )
745         if test x$dl_support = xno; then
746                 AC_MSG_WARN([No dynamic loading support available])
747         else
748                 LIBS="$LIBS $DL_LIB"
749                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
750                 dnl from glib's configure.in
751                 AC_CACHE_CHECK([for preceeding underscore in symbols],
752                         mono_cv_uscore,[
753                         AC_TRY_RUN([#include <dlfcn.h>
754                         int mono_underscore_test (void) { return 42; }
755                         int main() {
756                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
757                           handle = dlopen ((void*)0, 0);
758                           if (handle) {
759                             f1 = dlsym (handle, "mono_underscore_test");
760                             f2 = dlsym (handle, "_mono_underscore_test");
761                           } return (!f2 || f1);
762                         }],
763                                 [mono_cv_uscore=yes],
764                                 [mono_cv_uscore=no],
765                         [])
766                 ])
767                 if test "x$mono_cv_uscore" = "xyes"; then
768                         MONO_DL_NEED_USCORE=1
769                 else
770                         MONO_DL_NEED_USCORE=0
771                 fi
772                 AC_SUBST(MONO_DL_NEED_USCORE)
773                 AC_CHECK_FUNC(dlerror)
774         fi
775
776         dnl ******************************************************************
777         dnl *** Checks for the IKVM JNI interface library                  ***
778         dnl ******************************************************************
779         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no  build the IKVM JNI interface library],[with_ikvm_native=$withval],[with_ikvm_native=yes])
780
781         ikvm_native_dir=
782         if test x$with_ikvm_native = xyes; then
783                 ikvm_native_dir=ikvm-native
784                 jdk_headers_found="IKVM Native"
785         fi
786
787         AC_SUBST(ikvm_native_dir)
788
789         AC_CHECK_HEADERS(execinfo.h)
790
791         AC_CHECK_FUNCS(getgrgid_r)
792         AC_CHECK_FUNCS(getgrnam_r)
793         AC_CHECK_FUNCS(getpwnam_r)
794         AC_CHECK_FUNCS(getpwuid_r)
795         AC_CHECK_FUNCS(getresuid)
796         AC_CHECK_FUNCS(setresuid)
797         AC_CHECK_FUNCS(kqueue)
798         AC_CHECK_FUNCS(backtrace_symbols)
799         AC_CHECK_FUNCS(mkstemp)
800         AC_CHECK_FUNCS(mmap)
801         AC_CHECK_FUNCS(madvise)
802         AC_CHECK_FUNCS(getrusage)
803         AC_CHECK_FUNCS(getpriority)
804         AC_CHECK_FUNCS(setpriority)
805
806         AC_CHECK_FUNCS(sched_setaffinity)
807
808         dnl ******************************************************************
809         dnl *** Check for large file support                               ***
810         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
811         dnl ******************************************************************
812         
813         # Check that off_t can represent 2**63 - 1 correctly, working around
814         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
815         # CPPFLAGS and sets $large_offt to yes if the test succeeds
816         large_offt=no
817         AC_DEFUN([LARGE_FILES], [
818                 large_CPPFLAGS=$CPPFLAGS
819                 CPPFLAGS="$CPPFLAGS $1"
820                 AC_TRY_RUN([
821                         #include <sys/types.h>
822
823                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
824
825                         int main(void) {
826                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
827                                                (BIG_OFF_T%2147483647==1));
828                                 if(big_off_t) {
829                                         exit(0);
830                                 } else {
831                                         exit(1);
832                                 }
833                         }
834                 ], [
835                         AC_MSG_RESULT(ok)
836                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT)
837                         large_CPPFLAGS="$large_CPPFLAGS $1"
838                         large_offt=yes
839                 ], [
840                         AC_MSG_RESULT(no)
841                 ], "")
842                 CPPFLAGS=$large_CPPFLAGS
843         ])
844
845         AC_MSG_CHECKING(if off_t is 64 bits wide)
846         LARGE_FILES("")
847         if test $large_offt = no; then
848                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
849                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
850         fi
851         if test $large_offt = no; then
852                 AC_MSG_WARN([No 64 bit file size support available])
853         fi
854         
855         dnl *****************************
856         dnl *** Checks for libsocket  ***
857         dnl *****************************
858         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
859
860         dnl *******************************
861         dnl *** Checks for MSG_NOSIGNAL ***
862         dnl *******************************
863         AC_MSG_CHECKING(for MSG_NOSIGNAL)
864         AC_TRY_COMPILE([#include <sys/socket.h>], [
865                 int f = MSG_NOSIGNAL;
866         ], [
867                 # Yes, we have it...
868                 AC_MSG_RESULT(yes)
869                 AC_DEFINE(HAVE_MSG_NOSIGNAL)
870         ], [
871                 # We'll have to use signals
872                 AC_MSG_RESULT(no)
873         ])
874
875         dnl *****************************
876         dnl *** Checks for SOL_IP     ***
877         dnl *****************************
878         AC_MSG_CHECKING(for SOL_IP)
879         AC_TRY_COMPILE([#include <netdb.h>], [
880                 int level = SOL_IP;
881         ], [
882                 # Yes, we have it...
883                 AC_MSG_RESULT(yes)
884                 AC_DEFINE(HAVE_SOL_IP)
885         ], [
886                 # We'll have to use getprotobyname
887                 AC_MSG_RESULT(no)
888         ])
889
890         dnl *****************************
891         dnl *** Checks for SOL_IPV6     ***
892         dnl *****************************
893         AC_MSG_CHECKING(for SOL_IPV6)
894         AC_TRY_COMPILE([#include <netdb.h>], [
895                 int level = SOL_IPV6;
896         ], [
897                 # Yes, we have it...
898                 AC_MSG_RESULT(yes)
899                 AC_DEFINE(HAVE_SOL_IPV6)
900         ], [
901                 # We'll have to use getprotobyname
902                 AC_MSG_RESULT(no)
903         ])
904
905         dnl *****************************
906         dnl *** Checks for SOL_TCP    ***
907         dnl *****************************
908         AC_MSG_CHECKING(for SOL_TCP)
909         AC_TRY_COMPILE([#include <netdb.h>], [
910                 int level = SOL_TCP;
911         ], [
912                 # Yes, we have it...
913                 AC_MSG_RESULT(yes)
914                 AC_DEFINE(HAVE_SOL_TCP)
915         ], [
916                 # We'll have to use getprotobyname
917                 AC_MSG_RESULT(no)
918         ])
919
920         dnl *****************************
921         dnl *** Checks for IP_PKTINFO ***
922         dnl *****************************
923         AC_MSG_CHECKING(for IP_PKTINFO)
924         AC_TRY_COMPILE([#include <netdb.h>], [
925                 int level = IP_PKTINFO;
926         ], [
927                 # Yes, we have it...
928                 AC_MSG_RESULT(yes)
929                 AC_DEFINE(HAVE_IP_PKTINFO)
930         ], [
931                 AC_MSG_RESULT(no)
932         ])
933
934         dnl *****************************
935         dnl *** Checks for IPV6_PKTINFO ***
936         dnl *****************************
937         AC_MSG_CHECKING(for IPV6_PKTINFO)
938         AC_TRY_COMPILE([#include <netdb.h>], [
939                 int level = IPV6_PKTINFO;
940         ], [
941                 # Yes, we have it...
942                 AC_MSG_RESULT(yes)
943                 AC_DEFINE(HAVE_IPV6_PKTINFO)
944         ], [
945                 AC_MSG_RESULT(no)
946         ])
947
948         dnl **********************************
949         dnl *** Checks for IP_DONTFRAGMENT ***
950         dnl **********************************
951         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
952         AC_TRY_COMPILE([#include <netdb.h>], [
953                 int level = IP_DONTFRAGMENT;
954         ], [
955                 # Yes, we have it...
956                 AC_MSG_RESULT(yes)
957                 AC_DEFINE(HAVE_IP_DONTFRAGMENT)
958         ], [
959                 AC_MSG_RESULT(no)
960         ])
961
962         dnl **********************************
963         dnl *** Checks for IP_MTU_DISCOVER ***
964         dnl **********************************
965         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
966         AC_TRY_COMPILE([#include <netdb.h>], [
967                 int level = IP_MTU_DISCOVER;
968         ], [
969                 # Yes, we have it...
970                 AC_MSG_RESULT(yes)
971                 AC_DEFINE(HAVE_IP_MTU_DISCOVER)
972         ], [
973                 AC_MSG_RESULT(no)
974         ])
975
976         dnl *********************************
977         dnl *** Check for struct ip_mreqn ***
978         dnl *********************************
979         AC_MSG_CHECKING(for struct ip_mreqn)
980         AC_TRY_COMPILE([#include <netinet/in.h>], [
981                 struct ip_mreqn mreq;
982                 mreq.imr_address.s_addr = 0;
983         ], [
984                 # Yes, we have it...
985                 AC_MSG_RESULT(yes)
986                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
987         ], [
988                 # We'll just have to try and use struct ip_mreq
989                 AC_MSG_RESULT(no)
990                 AC_MSG_CHECKING(for struct ip_mreq)
991                 AC_TRY_COMPILE([#include <netinet/in.h>], [
992                         struct ip_mreq mreq;
993                         mreq.imr_interface.s_addr = 0;
994                 ], [
995                         # Yes, we have it...
996                         AC_MSG_RESULT(yes)
997                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
998                 ], [
999                         # No multicast support
1000                         AC_MSG_RESULT(no)
1001                 ])
1002         ])
1003         
1004         dnl **********************************
1005         dnl *** Check for gethostbyname2_r ***
1006         dnl **********************************
1007         AC_MSG_CHECKING(for gethostbyname2_r)
1008                 AC_TRY_LINK([#include <netdb.h>], [
1009                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1010         ], [
1011                 # Yes, we have it...
1012                 AC_MSG_RESULT(yes)
1013                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R)
1014         ], [
1015                 AC_MSG_RESULT(no)
1016         ])
1017
1018         dnl *****************************
1019         dnl *** Checks for libnsl     ***
1020         dnl *****************************
1021         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1022
1023         AC_CHECK_FUNCS(inet_pton inet_aton)
1024
1025         dnl ***********************************************
1026         dnl *** Checks for size of sockaddr_un.sun_path ***
1027         dnl ***********************************************
1028         # AC_CHECK_SIZEOF can't cope with struct members :-(
1029         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1030         AC_CACHE_VAL(cv_mono_sizeof_sunpath,
1031                 [AC_TRY_RUN([
1032                         #include <sys/types.h>
1033                         #include <stdio.h>
1034                         #include <sys/un.h>
1035
1036                         int main(void) {
1037                                 struct sockaddr_un sock_un;
1038                                 FILE *f=fopen("conftestval", "w");
1039                                 if(!f) exit(1);
1040                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1041                                 exit(0);
1042                         }
1043                 ], cv_mono_sizeof_sunpath=`cat conftestval`,
1044                    cv_mono_sizeof_sunpath=0,
1045                    cv_mono_sizeof_sunpath=0)])dnl
1046         AC_MSG_RESULT($cv_mono_sizeof_sunpath)
1047         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $cv_mono_sizeof_sunpath)
1048
1049         dnl *************************************
1050         dnl *** Checks for zero length arrays ***
1051         dnl *************************************
1052         AC_MSG_CHECKING(whether $CC supports zero length arrays)
1053         AC_TRY_COMPILE([
1054                 struct s {
1055                         int  length;
1056                         char data [0];
1057                 };
1058         ], [], [
1059                 AC_MSG_RESULT(yes)
1060                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0)
1061         ], [
1062                 AC_MSG_RESULT(no)
1063                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1)
1064         ])
1065
1066         dnl *****************************
1067         dnl *** Checks for libxnet    ***
1068         dnl *****************************
1069         case "${host}" in
1070                 *solaris* )
1071                         AC_MSG_CHECKING(for Solaris XPG4 support)
1072                         if test -f /usr/lib/libxnet.so; then
1073                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1074                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1075                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1076                                 LIBS="$LIBS -lxnet"
1077                                 AC_MSG_RESULT(yes)
1078                         else
1079                                 AC_MSG_RESULT(no)
1080                         fi
1081
1082                         if test "$GCC" = "yes"; then
1083                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1084                         fi
1085                 ;;
1086         esac
1087
1088         dnl *****************************
1089         dnl *** Checks for libpthread ***
1090         dnl *****************************
1091 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1092 # and libpthread does not exist
1093 #
1094         case "${host}" in
1095                 *-*-*freebsd4*)
1096                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1097                 ;;
1098                 *-*-*freebsd5*)
1099                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1100                 ;;
1101                 *-*-*freebsd6*)
1102                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1103                 ;;
1104                 *)
1105                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1106                 ;;
1107         esac
1108         AC_CHECK_HEADERS(pthread.h)
1109         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1110         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1111         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1112         AC_TRY_COMPILE([ #include <pthread.h>], [
1113                 pthread_mutexattr_t attr;
1114                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1115         ], [
1116                 AC_MSG_RESULT(ok)
1117         ], [
1118                 AC_MSG_RESULT(no)
1119                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1120                 AC_DEFINE(USE_MONO_MUTEX)
1121         ])
1122         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1123         AC_CHECK_FUNCS(pthread_attr_getstack)
1124         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1125
1126         dnl ***********************************
1127         dnl *** Checks for working __thread ***
1128         dnl ***********************************
1129         AC_MSG_CHECKING(for working __thread)
1130         if test "x$with_tls" != "x__thread"; then
1131                 AC_MSG_RESULT(disabled)
1132         else
1133                 AC_TRY_RUN([
1134                         #include <pthread.h>
1135                         __thread int i;
1136                         static int res1, res2;
1137
1138                         void thread_main (void *arg)
1139                         {
1140                                 i = arg;
1141                                 sleep (1);
1142                                 if (arg == 1)
1143                                         res1 = (i == arg);
1144                                 else
1145                                         res2 = (i == arg);
1146                         }
1147
1148                         int main () {
1149                                 pthread_t t1, t2;
1150
1151                                 i = 5;
1152
1153                                 pthread_create (&t1, NULL, thread_main, 1);
1154                                 pthread_create (&t2, NULL, thread_main, 2);
1155
1156                                 pthread_join (t1, NULL);
1157                                 pthread_join (t2, NULL);
1158
1159                                 return !(res1 + res2 == 2);
1160                         }
1161                 ], [
1162                                 AC_MSG_RESULT(yes)
1163                 ], [
1164                                 AC_MSG_RESULT(no)
1165                                 with_tls=pthread
1166                 ])
1167         fi
1168
1169         dnl **************************************
1170         dnl *** Checks for working sigaltstack ***
1171         dnl **************************************
1172         AC_MSG_CHECKING(for working sigaltstack)
1173         if test "x$with_sigaltstack" != "xyes"; then
1174                 AC_MSG_RESULT(disabled)
1175         else
1176                 AC_TRY_RUN([
1177                         #include <stdio.h>
1178                         #include <stdlib.h>
1179                         #include <unistd.h>
1180                         #include <signal.h>
1181                         #include <pthread.h>
1182                         #include <sys/wait.h>
1183                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1184                         #define SA_STACK SA_ONSTACK
1185                         #endif
1186                         static void
1187                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1188                         {
1189                                 exit (0);
1190                         }
1191
1192                         static void *
1193                         loop (void *ignored)
1194                         {
1195                                 char *ptr = NULL;
1196
1197                                 *ptr = 0;
1198                                 return NULL;
1199                         }
1200
1201                         static void
1202                         child ()
1203                         {
1204                                 struct sigaction sa;
1205                                 struct sigaltstack sas;
1206                                 pthread_t id;
1207                                 pthread_attr_t attr;
1208
1209                                 sa.sa_sigaction = sigsegv_signal_handler;
1210                                 sigemptyset (&sa.sa_mask);
1211                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1212                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1213                                         perror ("sigaction");
1214                                         return;
1215                                 }
1216
1217                                 sas.ss_sp = malloc (SIGSTKSZ);
1218                                 sas.ss_size = SIGSTKSZ;
1219                                 sas.ss_flags = 0;
1220                                 if (sigaltstack (&sas, NULL) == -1) {
1221                                         perror ("sigaltstack");
1222                                         return;
1223                                 }
1224
1225                                 pthread_attr_init (&attr);
1226                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1227                                         printf ("pthread_create\n");
1228                                         return;
1229                                 }
1230
1231                                 sleep (100);
1232                         }
1233
1234                         int
1235                         main ()
1236                         {
1237                                 pid_t son;
1238                                 int status;
1239                                 int i;
1240
1241                                 son = fork ();
1242                                 if (son == -1) {
1243                                         return 1;
1244                                 }
1245
1246                                 if (son == 0) {
1247                                         child ();
1248                                         return 0;
1249                                 }
1250
1251                                 for (i = 0; i < 3; ++i) {
1252                                         sleep (1);
1253                                         waitpid (son, &status, WNOHANG);
1254                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1255                                                 return 0;
1256                                 }
1257
1258                                 kill (son, SIGKILL);
1259                                 return 1;
1260                         }
1261
1262                 ], [
1263                                 AC_MSG_RESULT(yes)
1264                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK)
1265                 ], [
1266                                 with_sigaltstack=no
1267                                 AC_MSG_RESULT(no)
1268                 ])
1269         fi
1270
1271         dnl ********************************
1272         dnl *** Checks for semaphore lib ***
1273         dnl ********************************
1274         # 'Real Time' functions on Solaris
1275         # posix4 on Solaris 2.6
1276         # pthread (first!) on Linux
1277         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1278
1279         dnl ********************************
1280         dnl *** Checks for timezone stuff **
1281         dnl ********************************
1282         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1283                 AC_TRY_COMPILE([
1284                         #include <time.h>
1285                         ], [
1286                         struct tm tm;
1287                         tm.tm_gmtoff = 1;
1288                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1289         if test $ac_cv_struct_tm_gmtoff = yes; then
1290                 AC_DEFINE(HAVE_TM_GMTOFF)
1291         else
1292                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1293                         AC_TRY_COMPILE([
1294                                 #include <time.h>
1295                         ], [
1296                                 timezone = 1;
1297                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1298                 if test $ac_cv_var_timezone = yes; then
1299                         AC_DEFINE(HAVE_TIMEZONE)
1300                 else
1301                         AC_ERROR(unable to find a way to determine timezone)
1302                 fi
1303         fi
1304
1305         dnl *********************************
1306         dnl *** Checks for math functions ***
1307         dnl *********************************
1308         LIBS="$LIBS -lm";
1309         if test "x$has_broken_apple_cpp" != "xyes"; then
1310                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1311                         AC_TRY_LINK([#include <math.h>], 
1312                         [ finite(0.0); ], 
1313                         AC_DEFINE(HAVE_FINITE) AC_MSG_RESULT(yes),
1314                         AC_MSG_RESULT(no)))
1315         fi
1316         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1317                 AC_TRY_LINK([#include <math.h>], 
1318                 [ isfinite(0.0); ], 
1319                 AC_DEFINE(HAVE_ISFINITE) AC_MSG_RESULT(yes),
1320                 AC_MSG_RESULT(no)))
1321
1322         dnl ****************************************************************
1323         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1324         dnl *** have it in the library (duh))                            ***
1325         dnl ****************************************************************
1326         AC_CHECK_FUNCS(poll)
1327
1328         dnl *************************
1329         dnl *** Check for signbit ***
1330         dnl *************************
1331         AC_MSG_CHECKING(for signbit)
1332         AC_TRY_LINK([#include <math.h>], [
1333                 int s = signbit(1.0);
1334         ], [
1335                 AC_MSG_RESULT(yes)
1336                 AC_DEFINE(HAVE_SIGNBIT)
1337         ], [
1338                 AC_MSG_RESULT(no)
1339         ]) 
1340
1341         dnl **********************************
1342         dnl *** epoll                      ***
1343         dnl **********************************
1344         AC_CHECK_HEADERS(sys/epoll.h)
1345         haveepoll=no
1346         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1347         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1348                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1349         fi
1350
1351         dnl ******************************
1352         dnl *** Checks for SIOCGIFCONF ***
1353         dnl ******************************
1354         AC_CHECK_HEADERS(sys/ioctl.h)
1355         AC_CHECK_HEADERS(net/if.h)
1356         AC_MSG_CHECKING(for ifreq)
1357         AC_TRY_COMPILE([
1358                 #include <sys/ioctl.h>
1359                 #include <net/if.h>
1360                 ], [
1361                 struct ifconf ifc;
1362                 struct ifreq *ifr;
1363                 void *x;
1364                 ifc.ifc_len = 0;
1365                 ifc.ifc_buf = NULL;
1366                 x = (void *) &ifr->ifr_addr;
1367                 ],[
1368                         AC_MSG_RESULT(yes)
1369                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1370                 ], [
1371                         AC_MSG_RESULT(no)
1372                 ])
1373         dnl **********************************
1374         dnl ***     Checks for sin_len     ***
1375         dnl **********************************
1376         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1377         AC_TRY_COMPILE([
1378                 #include <netinet/in.h>
1379                 ], [
1380                 struct sockaddr_in saddr;
1381                 saddr.sin_len = sizeof (saddr);
1382                 ],[
1383                         AC_MSG_RESULT(yes)
1384                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1385                 ], [
1386                         AC_MSG_RESULT(no)
1387                 ])      
1388         dnl **********************************
1389         dnl ***    Checks for sin6_len     ***
1390         dnl **********************************
1391         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1392         AC_TRY_COMPILE([
1393                 #include <netinet/in.h>
1394                 ], [
1395                 struct sockaddr_in6 saddr6;
1396                 saddr6.sin6_len = sizeof (saddr6);
1397                 ],[
1398                         AC_MSG_RESULT(yes)
1399                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1400                 ], [
1401                         AC_MSG_RESULT(no)
1402                 ])      
1403         dnl **********************************
1404         dnl *** Checks for MonoPosixHelper ***
1405         dnl **********************************
1406         AC_CHECK_HEADERS(checklist.h)
1407         AC_CHECK_HEADERS(fstab.h)
1408         AC_CHECK_HEADERS(attr/xattr.h)
1409         AC_CHECK_HEADERS(sys/extattr.h)
1410         AC_CHECK_HEADERS(sys/sendfile.h)
1411         AC_CHECK_HEADERS(sys/statvfs.h)
1412         AC_CHECK_HEADERS(sys/vfstab.h)
1413         AC_CHECK_HEADERS(sys/xattr.h)
1414         AC_CHECK_HEADERS(sys/mman.h)
1415         AC_CHECK_FUNCS(getdomainname)
1416         AC_CHECK_FUNCS(setdomainname)
1417         AC_CHECK_FUNCS(fgetgrent)
1418         AC_CHECK_FUNCS(fgetpwent)
1419         AC_CHECK_FUNCS(fgetpwent)
1420         AC_CHECK_FUNCS(getfsstat)
1421         AC_CHECK_FUNCS(lutimes)
1422         AC_CHECK_FUNCS(mremap)
1423         AC_CHECK_FUNCS(remap_file_pages)
1424         AC_CHECK_FUNCS(posix_fadvise)
1425         AC_CHECK_FUNCS(posix_fallocate)
1426         AC_CHECK_FUNCS(posix_madvise)
1427         AC_CHECK_FUNCS(vsnprintf)
1428         AC_CHECK_FUNCS(sendfile)
1429         AC_CHECK_FUNCS(sethostid)
1430         AC_CHECK_FUNCS(statfs)
1431         AC_CHECK_FUNCS(fstatfs)
1432         AC_CHECK_FUNCS(statvfs)
1433         AC_CHECK_FUNCS(fstatvfs)
1434         AC_CHECK_FUNCS(stime)
1435         AC_CHECK_FUNCS(strerror_r)
1436         AC_CHECK_FUNCS(ttyname_r)
1437         AC_CHECK_SIZEOF(size_t)
1438         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
1439                 [#include <sys/types.h>
1440                  #include <sys/stat.h>
1441                  #include <unistd.h>])
1442         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1443                 [#include <sys/types.h>
1444                  #include <sys/stat.h>
1445                  #include <unistd.h>])
1446         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1447                 [#include <sys/time.h>])
1448         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1449                 [#include <sys/poll.h>])
1450         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1451                 [#include <sys/types.h>
1452                  #include <sys/stat.h>
1453                  #include <unistd.h>])
1454         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1455                 [#include <sys/time.h>
1456                  #include <sys/types.h>
1457                  #include <utime.h>])
1458         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1459                 [#include <sys/time.h>])
1460         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
1461                 [#include <sys/types.h>
1462                  #include <utime.h>])
1463         AC_CHECK_MEMBERS(
1464                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
1465                 [#include <sys/types.h>
1466                  #include <dirent.h>])
1467
1468         dnl Favour xattr through glibc, but use libattr if we have to
1469         AC_CHECK_FUNC(lsetxattr, ,
1470                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1471         )
1472         AC_SUBST(XATTR_LIB)
1473
1474         dnl *********************************
1475         dnl *** Checks for Windows compilation ***
1476         dnl *********************************
1477         AC_CHECK_HEADERS(sys/time.h)
1478         AC_CHECK_HEADERS(sys/param.h)
1479
1480         dnl *********************************
1481         dnl *** Check for Console 2.0 I/O ***
1482         dnl *********************************
1483         AC_CHECK_HEADERS([curses.h])
1484         AC_CHECK_HEADERS([term.h], [], [],
1485         [#if HAVE_CURSES_H
1486          #include <curses.h>
1487          #endif
1488         ])
1489         AC_CHECK_HEADERS([termios.h])
1490
1491         dnl * This is provided in io-layer, but on windows it's only available
1492         dnl * on xp+
1493         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1494 else
1495         jdk_headers_found=no
1496         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1497         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1498         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1499         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
1500         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1501         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
1502         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
1503
1504         dnl *********************************
1505         dnl *** Check for struct ip_mreqn ***
1506         dnl *********************************
1507         AC_MSG_CHECKING(for struct ip_mreqn)
1508         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1509                 struct ip_mreqn mreq;
1510                 mreq.imr_address.s_addr = 0;
1511         ], [
1512                 # Yes, we have it...
1513                 AC_MSG_RESULT(yes)
1514                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1515         ], [
1516                 # We'll just have to try and use struct ip_mreq
1517                 AC_MSG_RESULT(no)
1518                 AC_MSG_CHECKING(for struct ip_mreq)
1519                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1520                         struct ip_mreq mreq;
1521                         mreq.imr_interface.s_addr = 0;
1522                 ], [
1523                         # Yes, we have it...
1524                         AC_MSG_RESULT(yes)
1525                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1526                 ], [
1527                         # No multicast support
1528                         AC_MSG_RESULT(no)
1529                 ])
1530         ])
1531         AC_CHECK_FUNCS(GetProcessId)
1532 fi
1533
1534 dnl socklen_t check
1535 AC_MSG_CHECKING(for socklen_t)
1536 AC_TRY_COMPILE([
1537 #include <sys/types.h>
1538 #include <sys/socket.h>
1539 ],[
1540   socklen_t foo;
1541 ],[
1542 ac_cv_c_socklen_t=yes
1543         AC_DEFINE(HAVE_SOCKLEN_T)
1544         AC_MSG_RESULT(yes)
1545 ],[
1546         AC_MSG_RESULT(no)
1547 ])
1548
1549 AC_MSG_CHECKING(for array element initalizer support)
1550 AC_TRY_COMPILE([#include <sys/socket.h>], [
1551         const int array[] = {[1] = 2,};
1552 ], [
1553         # Yes, we have it...
1554         AC_MSG_RESULT(yes)
1555         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1556 ], [
1557         # We'll have to use signals
1558         AC_MSG_RESULT(no)
1559 ])
1560
1561 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1562         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1563         AC_TRY_LINK([#include <math.h>], 
1564         [ static void *p = &trunc; ],
1565         [
1566                 AC_DEFINE(HAVE_TRUNC) 
1567                 AC_MSG_RESULT(yes)
1568                 ac_cv_trunc=yes
1569         ],
1570         AC_MSG_RESULT(no)))
1571
1572 if test "x$ac_cv_truncl" != "xyes"; then
1573    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL) LIBS="$LIBS -lsunmath"])
1574 fi
1575
1576 dnl ****************************
1577 dnl *** Look for /dev/random ***
1578 dnl ****************************
1579
1580 AC_MSG_CHECKING([if usage of random device is requested])
1581 AC_ARG_ENABLE(dev-random,
1582 [  --disable-dev-random    disable the use of the random device],
1583 try_dev_random=$enableval, try_dev_random=yes)
1584 AC_MSG_RESULT($try_dev_random)
1585
1586 case "{$target}" in
1587     *-openbsd*)
1588     NAME_DEV_RANDOM="/dev/srandom"
1589     ;;
1590
1591 dnl Win32 does not have /dev/random, they have their own method...
1592
1593     *-*-mingw*|*-*-cygwin*)
1594     ac_cv_have_dev_random=no
1595     ;;
1596
1597 dnl Everywhere else, it's /dev/random
1598
1599     *)
1600     NAME_DEV_RANDOM="/dev/random"
1601     ;;
1602 esac
1603
1604 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
1605
1606 dnl Now check if the device actually exists
1607
1608 if test "x$try_dev_random" = "xyes"; then
1609     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1610     [if test -r "$NAME_DEV_RANDOM" ; then
1611         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1612     if test "x$ac_cv_have_dev_random" = "xyes"; then
1613         AC_DEFINE(HAVE_CRYPT_RNG)
1614     fi
1615 else
1616     AC_MSG_CHECKING(for random device)
1617     ac_cv_have_dev_random=no
1618     AC_MSG_RESULT(has been disabled)
1619 fi
1620
1621 if test "x$platform_win32" = "xyes"; then
1622     AC_DEFINE(HAVE_CRYPT_RNG)
1623 fi
1624
1625 if test "x$ac_cv_have_dev_random" = "xno" \
1626     && test "x$platform_win32" = "xno"; then
1627     AC_MSG_WARN([[
1628 ***
1629 *** A system-provided entropy source was not found on this system.
1630 *** Because of this, the System.Security.Cryptography random number generator
1631 *** will throw a NotImplemented exception.
1632 ***
1633 *** If you are seeing this message, and you know your system DOES have an
1634 *** entropy collection in place, please contact <crichton@gimp.org> and
1635 *** provide information about the system and how to access the random device.
1636 ***
1637 *** Otherwise you can install either egd or prngd and set the environment
1638 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1639 ***]])
1640 fi
1641  
1642 AC_MSG_CHECKING([if inter-process shared handles are requested])
1643 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1644 AC_MSG_RESULT($try_shared_handles)
1645 if test "x$try_shared_handles" != "xyes"; then
1646         AC_DEFINE(DISABLE_SHARED_HANDLES)
1647         AC_SUBST(DISABLE_SHARED_HANDLES)
1648 fi
1649
1650
1651 AC_ARG_ENABLE(nunit-tests, [ --enable-nunit-tests       Run the nunit tests of the class library on 'make check'])
1652 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1653
1654 TARGET="unknown"
1655 ACCESS_UNALIGNED="yes"
1656
1657 JIT_SUPPORTED=no
1658 INTERP_SUPPORTED=no
1659 LIBC="libc.so.6"
1660 INTL="libc.so.6"
1661 SQLITE="libsqlite.so.0"
1662 SQLITE3="libsqlite3.so.0"
1663 X11="libX11.so"
1664
1665 jit_wanted=false
1666 interp_wanted=false
1667 case "$host" in
1668 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1669 #               TARGET=MIPS;
1670 #               ACCESS_UNALIGNED="no"
1671 #               ;;
1672         mips*)
1673                 TARGET=MIPS;
1674                 arch_target=mips;
1675                 ACCESS_UNALIGNED="no"
1676                 JIT_SUPPORTED=yes
1677                 jit_wanted=true
1678                 ;;
1679         i*86-*-*)
1680                 TARGET=X86;
1681                 arch_target=x86;
1682                 JIT_SUPPORTED=yes
1683                 jit_wanted=true
1684                 case $host_os in
1685                   solaris*)
1686                         LIBC="libc.so"
1687                         INTL="libintl.so"
1688                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
1689                                 TARGET=AMD64
1690                                 arch_target=amd64
1691                         fi
1692
1693                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
1694                         # int astruct __attribute__ ((visibility ("hidden")));
1695                         # void foo ()
1696                         # {
1697                         #       void *p = &astruct;
1698                         # }
1699                         # gcc -fPIC --shared -o libfoo.so foo.c
1700                         # yields:
1701                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
1702                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
1703                         have_visibility_hidden=no
1704
1705                 esac
1706                 ;;
1707         x86_64-*-* | amd64-*-*)
1708                 TARGET=AMD64;
1709                 arch_target=amd64;
1710                 JIT_SUPPORTED=yes
1711                 jit_wanted=true
1712                 ;;
1713         ia64-*-*)
1714                 TARGET=IA64
1715                 arch_target=ia64
1716                 ACCESS_UNALIGNED="no"
1717                 JIT_SUPPORTED=yes
1718                 jit_wanted=true
1719                 LIBC="libc.so.6.1"
1720                 INTL="libc.so.6.1"
1721                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
1722                 libmono_ldflags="-lunwind"
1723                 ;;
1724         sparc*-*-*)
1725                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
1726                    TARGET=SPARC64
1727                 else
1728                         TARGET=SPARC
1729                 fi
1730                 arch_target=sparc;
1731                 JIT_SUPPORTED=yes
1732                 ACCESS_UNALIGNED="no"
1733                 case $host_os in
1734                   linux*) ;;
1735                   *)
1736                         LIBC="libc.so"
1737                         INTL="libintl.so"
1738                 esac
1739                 jit_wanted=true
1740                 if test x"$GCC" = xyes; then
1741                         # We don't support v8 cpus
1742                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
1743                 fi
1744                 if test x"$AR" = xfalse; then
1745                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
1746                 fi
1747                 ;;
1748        alpha*-*-linux* | alpha*-*-osf*)
1749                 TARGET=ALPHA;
1750                 ACCESS_UNALIGNED="no"
1751                 JIT_SUPPORTED=yes
1752                 jit_wanted=true
1753                 arch_target=alpha;
1754                 CFLAGS="$CFLAGS -mieee -O0"
1755                 case $host_os in
1756                   linux*)
1757                         LIBC="libc.so.6.1"
1758                         INTL="libc.so.6.1"
1759                 esac
1760                ;;
1761         *-*-mingw*|*-*-cygwin*)
1762                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
1763                 have_visibility_hidden=no
1764                 INTL="intl"
1765                 ;;
1766         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1767                 TARGET=HPPA;
1768                 arch_target=hppa; 
1769                 LIBC="libc.sl"
1770                 ACCESS_UNALIGNED="no"
1771                 INTERP_SUPPORTED=yes
1772                 interp_wanted=true
1773                 ;;
1774         hppa*linux*)
1775                 TARGET=HPPA;
1776                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1777                 arch_target=hppa; 
1778                 ACCESS_UNALIGNED="no"
1779                 JIT_SUPPORTED=yes
1780                 jit_wanted=true
1781                 ;;
1782         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
1783         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* )
1784                 TARGET=POWERPC;
1785                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1786                 arch_target=ppc;
1787                 JIT_SUPPORTED=yes
1788                 jit_wanted=true
1789                 ;;
1790         arm*-darwin*)
1791                 TARGET=ARM;
1792                 arch_target=arm;
1793                 ACCESS_UNALIGNED="no"
1794                 JIT_SUPPORTED=yes
1795                 CPPFLAGS="$CPPFLAGS -DARM_FPU_NONE=1"
1796                 jit_wanted=true
1797                 ;;
1798         arm*-linux*)
1799                 TARGET=ARM;
1800                 arch_target=arm;
1801                 ACCESS_UNALIGNED="no"
1802                 JIT_SUPPORTED=yes
1803                 jit_wanted=true
1804                 ;;
1805         s390-*-linux*)
1806                 TARGET=S390;
1807                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1808                 arch_target=s390;
1809                 ACCESS_UNALIGNED="no"
1810                 JIT_SUPPORTED=yes
1811                 jit_wanted=true
1812                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
1813                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1814                 ;;
1815         s390x-*-linux*)
1816                 TARGET=S390x;
1817                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1818                 arch_target=s390x;
1819                 ACCESS_UNALIGNED="no"
1820                 JIT_SUPPORTED=yes
1821                 jit_wanted=true
1822                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1823                 ;;
1824 esac
1825
1826 if test "x$have_visibility_hidden" = "xyes"; then
1827    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
1828 fi
1829
1830 AC_ARG_WITH(jit, [  --with-jit=yes,no       If you want to build scripts that default to the JIT],[
1831         if test x$withval = xyes; then
1832            jit_wanted=true
1833         else
1834            jit_wanted=false
1835         fi
1836 ])
1837
1838 AC_ARG_WITH(interp, [  --with-interp=yes,no    If you want to build scripts that default to the interpreter],[
1839         if test x$withval = xyes; then
1840            interp_wanted=true
1841         else
1842            interp_wanted=false
1843         fi
1844 ])
1845
1846 USEJIT=false
1847 if test x$JIT_SUPPORTED = xyes; then
1848    if $jit_wanted; then
1849       USEJIT=true
1850       jit_status="Building and using the JIT"
1851    else
1852       if $interp_wanted; then
1853          jit_status="Building the JIT, defaulting to the interpreter"
1854       else
1855          AC_ERROR(No JIT or interpreter support available or selected.)
1856       fi
1857    fi
1858 else
1859    if test x$interp_wanted = xtrue; then
1860       jit_status="interpreter"
1861    else
1862       AC_ERROR(No JIT or interpreter support available or selected.)
1863    fi
1864 fi
1865
1866 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
1867
1868 libsuffix=".so"
1869
1870 case "$host" in
1871      *-*-darwin*)
1872         libsuffix=".dylib"
1873         LIBC="libc.dylib"
1874         INTL="libintl.dylib"
1875         SQLITE="libsqlite.0.dylib"
1876         SQLITE3="libsqlite3.0.dylib"
1877         X11="libX11.dylib"
1878         ;;
1879      *-*-*netbsd*)
1880         LIBC="libc.so.12"
1881         INTL="libintl.so.0"
1882         ;;
1883     *-*-*freebsd*)
1884         LIBC="libc.so"
1885         INTL="libintl.so"
1886         ;;
1887     *-*-*openbsd*)
1888         LIBC="libc.so"
1889         INTL="libintl.so"
1890         ;;
1891     *-*-*linux*)
1892         AC_PATH_X
1893         AC_MSG_CHECKING(for the soname of libX11.so)
1894         for i in $x_libraries /usr/lib /usr/lib64; do
1895                 for r in 4 5 6; do
1896                         if test -f $i/libX11.so.$r; then
1897                                 X11=libX11.so.$r
1898                                 AC_MSG_RESULT($X11)
1899                         fi
1900                 done
1901         done
1902         
1903         if test "x$X11" = "xlibX11.so"; then
1904                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? WinForms may not work...]);
1905         fi
1906         ;;
1907 esac
1908
1909
1910 AC_SUBST(libsuffix)
1911
1912 if test "x$TARGET" != "xAMD64"; then
1913    # valgrind headers don't compile under x86-64
1914    AC_CHECK_HEADERS(valgrind/memcheck.h)
1915 fi
1916
1917 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1918         if test "x$with_tls" = "x__thread"; then
1919                 #
1920                 # On some linux distributions, TLS works in executables, but linking 
1921                 # against a shared library containing TLS fails with:
1922                 # undefined reference to `__tls_get_addr'
1923                 #
1924                 rm -f conftest.c conftest.so conftest
1925                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
1926                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
1927                 $CC -o conftest conftest.so > /dev/null 2>&1
1928                 if test ! -f conftest; then
1929                    AC_MSG_WARN([Disabling usage of __thread.]);
1930                    with_tls=pthread
1931                 fi
1932                 rm -f conftest.c conftest.so conftest
1933         fi
1934 fi
1935
1936 mono_debugger_supported=no
1937 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA"; then
1938         if test x$use_included_gc = xyes; then
1939                 case "$host" in
1940                 *-*-*linux*)
1941                         mono_debugger_supported=yes
1942                         ;;
1943                 esac
1944         fi
1945 fi
1946
1947 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
1948 if test "x$mono_debugger_supported" = "xyes"; then
1949         AC_DEFINE(MONO_DEBUGGER_SUPPORTED,1,[The Mono Debugger is supported on this platform])
1950 fi
1951 AC_MSG_RESULT($mono_debugger_supported)
1952 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
1953
1954 if test "x$with_tls" = "x__thread"; then
1955         AC_DEFINE(HAVE_KW_THREAD)
1956         # Pass the information to libgc
1957         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
1958         AC_MSG_CHECKING(if the tls_model attribute is supported)
1959         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
1960                 ], [
1961                         AC_MSG_RESULT(yes)
1962                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
1963                 ], [
1964                         AC_MSG_RESULT(no)
1965         ])
1966 fi
1967
1968 if test ${TARGET} = ARM && test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
1969         dnl ******************************************
1970         dnl *** Check to see what FPU is available ***
1971         dnl ******************************************
1972         AC_MSG_CHECKING(which FPU to use)
1973
1974         AC_TRY_COMPILE([], [
1975                 __asm__ ("ldfd f0, [r0]");
1976                 ], fpu=FPA, fpu=NONE)
1977
1978         AC_MSG_RESULT($fpu)
1979         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
1980         unset fpu
1981 fi
1982
1983 if test ${TARGET} = unknown; then
1984         CPPFLAGS="$CPPFLAGS -DNO_PORT"
1985         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
1986 fi
1987
1988 if test ${ACCESS_UNALIGNED} = no; then
1989         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
1990 fi
1991
1992 PREVIEW=yes
1993 AC_ARG_WITH(preview,  [ --with-preview=yes,no     If you want to install the 2.0 FX preview],[
1994         if test x$with_preview = xno; then
1995               PREVIEW=no
1996         fi
1997 ])
1998
1999 MOONLIGHT=yes
2000 AC_ARG_WITH(moonlight,[ --with-moonlight=yes,no   If you want to build the Moonlight 2.1 assemblies],[
2001         if test x$with_moonlight = xno; then
2002               MOONLIGHT=no
2003         fi
2004 ])
2005
2006 OPROFILE=no
2007 AC_ARG_WITH(oprofile,[ --with-oprofile=no,<path>   Enable oprofile support (defaults to NO)],[
2008         if test x$with_oprofile != xno; then
2009               OPROFILE=yes
2010               OPROFILE_CFLAGS="-I$with_oprofile/include"
2011               OPROFILE_LIBS=
2012               AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
2013         fi
2014 ])
2015
2016 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
2017 AC_SUBST(OPROFILE_CFLAGS)
2018 AC_SUBST(OPROFILE_LIBS)
2019
2020 libmono_ldflags="$libmono_ldflags $LIBS"
2021
2022 AM_CONDITIONAL(INSTALL_2_0, test x$PREVIEW = xyes)
2023 AM_CONDITIONAL(INSTALL_2_1, test x$MOONLIGHT = xyes)
2024
2025 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
2026 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
2027 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
2028 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
2029 AM_CONDITIONAL(X86, test x$TARGET = xX86)
2030 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
2031 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
2032 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
2033 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
2034 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
2035 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
2036 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
2037 AM_CONDITIONAL(S390, test x$TARGET = xS390)
2038 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
2039 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
2040
2041 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
2042 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
2043 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
2044
2045 AC_SUBST(LIBC)
2046 AC_SUBST(INTL)
2047 AC_SUBST(SQLITE)
2048 AC_SUBST(SQLITE3)
2049 AC_SUBST(X11)
2050 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
2051 AC_SUBST(arch_target)
2052 AC_SUBST(CFLAGS)
2053 AC_SUBST(CPPFLAGS)
2054 AC_SUBST(LDFLAGS)
2055
2056 mono_build_root=`pwd`
2057 AC_SUBST(mono_build_root)
2058
2059 if test x$USEJIT = xtrue; then
2060   mono_runtime=mono/mini/mono
2061 else
2062   mono_runtime=mono/interpreter/mint
2063 fi
2064 AC_SUBST(mono_runtime)
2065
2066 mono_cfg_root=$mono_build_root/runtime
2067 if test x$platform_win32 = xyes; then
2068   mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
2069 else
2070   mono_cfg_dir=$mono_cfg_root/etc
2071 fi
2072 AC_SUBST(mono_cfg_dir)
2073
2074 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
2075 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
2076
2077 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
2078 [   depth=../../../..
2079     case $srcdir in
2080     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2081     .) reldir=$depth ;;
2082     *) reldir=$depth/$srcdir ;;
2083     esac
2084     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
2085     cd runtime/etc/mono/1.0
2086     rm -f machine.config
2087     $LN_S $reldir/data/net_1_1/machine.config machine.config
2088     cd $depth
2089 ],[LN_S='$LN_S'])
2090
2091 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
2092 [   depth=../../../..
2093     case $srcdir in
2094     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2095     .) reldir=$depth ;;
2096     *) reldir=$depth/$srcdir ;;
2097     esac
2098     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
2099     cd runtime/etc/mono/2.0
2100     rm -f machine.config
2101     $LN_S $reldir/data/net_2_0/machine.config machine.config
2102     cd $depth
2103 ],[LN_S='$LN_S'])
2104
2105 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
2106 [   depth=../../../..
2107     case $srcdir in
2108     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2109     .) reldir=$depth ;;
2110     *) reldir=$depth/$srcdir ;;
2111     esac
2112     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
2113     cd runtime/etc/mono/2.0
2114     rm -f web.config
2115     $LN_S $reldir/data/net_2_0/web.config web.config
2116     cd $depth
2117 ],[LN_S='$LN_S'])
2118
2119 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
2120 [   depth=../../..
2121     case $srcdir in
2122     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2123     .) reldir=$depth ;;
2124     *) reldir=$depth/$srcdir ;;
2125     esac
2126     $ac_aux_dir/install-sh -d runtime/etc/mono/
2127     cd runtime/etc/mono/
2128     rm -f browscap.ini
2129     $LN_S $reldir/data/browscap.ini browscap.ini
2130     cd $depth
2131 ],[LN_S='$LN_S'])
2132
2133 AC_OUTPUT([
2134 Makefile
2135 mono-uninstalled.pc
2136 scripts/mono-nunit.pc
2137 scripts/mono-find-provides
2138 scripts/mono-find-requires
2139 mono/Makefile
2140 mono/utils/Makefile
2141 mono/metadata/Makefile
2142 mono/dis/Makefile
2143 mono/cil/Makefile
2144 mono/arch/Makefile
2145 mono/os/Makefile
2146 mono/arch/x86/Makefile
2147 mono/arch/amd64/Makefile
2148 mono/arch/hppa/Makefile
2149 mono/arch/ppc/Makefile
2150 mono/arch/sparc/Makefile
2151 mono/arch/s390/Makefile
2152 mono/arch/s390x/Makefile
2153 mono/arch/arm/Makefile
2154 mono/arch/alpha/Makefile
2155 mono/arch/ia64/Makefile
2156 mono/arch/mips/Makefile
2157 mono/interpreter/Makefile
2158 mono/tests/Makefile
2159 mono/tests/tests-config
2160 mono/tests/assemblyresolve/Makefile
2161 mono/tests/cas/Makefile
2162 mono/tests/cas/assembly/Makefile
2163 mono/tests/cas/demand/Makefile
2164 mono/tests/cas/inheritance/Makefile
2165 mono/tests/cas/linkdemand/Makefile
2166 mono/tests/cas/threads/Makefile
2167 mono/benchmark/Makefile
2168 mono/monoburg/Makefile
2169 mono/monograph/Makefile
2170 mono/io-layer/Makefile
2171 mono/mini/Makefile
2172 mono/profiler/Makefile
2173 ikvm-native/Makefile
2174 scripts/Makefile
2175 man/Makefile
2176 web/Makefile
2177 docs/Makefile
2178 data/Makefile
2179 data/net_1_1/Makefile
2180 data/net_2_0/Makefile
2181 data/mint.pc
2182 data/mono.pc
2183 data/mono-cairo.pc
2184 data/dotnet.pc
2185 data/cecil.pc
2186 samples/Makefile
2187 support/Makefile
2188 data/config
2189 tools/Makefile
2190 tools/locale-builder/Makefile
2191 runtime/Makefile
2192 msvc/Makefile
2193 ])
2194
2195 if test x$platform_win32 = xyes; then
2196    # Get rid of 'cyg' prefixes in library names
2197    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2198    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
2199    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
2200    # executable doesn't work...
2201    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2202 fi
2203
2204 (
2205   case $prefix in
2206   NONE) prefix=$ac_default_prefix ;;
2207   esac
2208   case $exec_prefix in
2209   NONE) exec_prefix='${prefix}' ;;
2210   esac
2211
2212   test -w $srcdir/$mcsdir/build || chmod +w $srcdir/$mcsdir/build
2213
2214   #
2215   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
2216   # any existing config.make.  This allows people to share the same source tree
2217   # with different build directories, one native and one cross
2218   #
2219   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2220     echo "prefix=$prefix" > $srcdir/$mcsdir/build/config.make
2221     echo "exec_prefix=$exec_prefix" >> $srcdir/$mcsdir/build/config.make
2222     echo "sysconfdir=$sysconfdir" >> $srcdir/$mcsdir/build/config.make
2223     echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$mcsdir/build/config.make
2224     echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$mcsdir/build/config.make
2225     echo 'IL_FLAGS = /debug' >> $srcdir/$mcsdir/build/config.make
2226     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$mcsdir/build/config.make
2227     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $srcdir/$mcsdir/build/config.make
2228     case $INSTALL in
2229     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
2230     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
2231     esac
2232
2233     echo "INSTALL = $mcs_INSTALL" >> $srcdir/$mcsdir/build/config.make
2234
2235     export VERSION
2236     [myver=$($AWK 'BEGIN {
2237       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
2238       if(length(vsplit [1]) > 4) {
2239         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
2240       }
2241       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
2242     }')]
2243
2244     echo "MONO_VERSION = $myver" >> $srcdir/$mcsdir/build/config.make
2245   fi
2246
2247   # if we have an olive folder, override the default settings
2248   if test -d $olivedir; then
2249
2250     test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
2251
2252     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
2253       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
2254       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
2255       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
2256       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
2257       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
2258       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
2259           if test x$with_moonlight = xyes; then
2260         echo "WITH_MOONLIGHT = yes" >> $srcdir/$olivedir/build/config.make
2261       fi
2262     fi
2263   fi
2264 )
2265
2266 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
2267
2268 echo "
2269         mcs source:    $mcs_topdir
2270         olive source:  $olive_topdir
2271
2272         GC:          $gc
2273         TLS:         $with_tls
2274         SIGALTSTACK: $with_sigaltstack
2275         Engine:      $jit_status
2276         2.0 Beta:    $PREVIEW
2277         2.1 Alpha:   $MOONLIGHT
2278         JNI support: $jdk_headers_found
2279         libgdiplus:  $libgdiplus_msg
2280         zlib:        $zlib_msg
2281         oprofile:    $OPROFILE
2282         $disabled
2283
2284 "
2285 if test x$with_static_mono = xno -a "x$platform_win32" != "xyes"; then
2286    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexepcted bugs)
2287 fi
2288
2289 if test x$gc = xsgen; then
2290         echo IMPORTANT:
2291         echo IMPORTANT: You have selected an experimental, work-in-progress 
2292         echo IMPORTANT: GC engine.  This GC engine is currently not supported
2293         echo IMPORTANT: and is not yet ready for use.  
2294         echo IMPORTANT:
2295         echo IMPORTANT: There are known problems with it, use at your own risk.
2296 fi