2009-07-22 Mark Probst <mark.probst@gmail.com>
[mono-project/dkf.git] / configure.in
blob37728eacf28a3bc7ae47b46ee5ec8533a084e9a8
1 AC_INIT(README)
2 AC_CANONICAL_SYSTEM
4 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
5 # The extra brackets are to foil regex-based scans.
6 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
8 AM_CONFIG_HEADER(config.h)
9 AM_INIT_AUTOMAKE(mono,2.5)
10 AM_MAINTAINER_MODE
12 API_VER=1.0
13 AC_SUBST(API_VER)
15 AC_PROG_LN_S
17 # In case of cygwin, override LN_S, irrespective of what it determines.
18 # The build uses cygwin, but the actual runtime doesn't.
19 case $host_os in
20 *cygwin* ) LN_S='cp -p';;
21 esac
24 dnl
25 dnl libgc checks
26 dnl
28 gc_headers=no
29 gc=included
30 use_included_gc=no
31 libgc_configure_args=
33 if test -d $srcdir/libgc ; then
34   gc_default=included
35 else
36   gc_default=boehm
39 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
40 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
41 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
42 CFLAGS_FOR_LIBGC=$CFLAGS
45 # These are the flags that need to be stored in the mono.pc file for 
46 # compiling code that will embed Mono
48 libmono_cflags=""
49 libmono_ldflags=""
50 AC_SUBST(libmono_cflags)
51 AC_SUBST(libmono_ldflags)
53 # Variable to have relocatable .pc files (lib, or lib64)
54 reloc_libdir=`basename ${libdir}`
55 AC_SUBST(reloc_libdir)
57 dnl if linker handles the version script
58 no_version_script=no
60 # Set to yes if Unix sockets cannot be created in an anonymous namespace
61 need_link_unlink=no
63 # Thread configuration inspired by sleepycat's db
64 AC_MSG_CHECKING([host platform characteristics])
65 libgc_threads=no
66 has_dtrace=no
67 parallel_mark=yes
69 case "$host" in
70         powerpc*-*-linux*)
71                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
72                 disable_munmap=yes
73         ;;
74 esac
76 case "$host" in
77         *-*-mingw*|*-*-cygwin*)
78                 platform_win32=yes
79                 AC_DEFINE(PLATFORM_WIN32,1,[Platform is Win32])
80                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
81                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
82                 if test "x$cross_compiling" = "xno"; then
83                         CC="gcc -mno-cygwin -g"
84                         # So libgc configure gets -mno-cygwin
85                         export CC
86                 fi
87                 HOST_CC="gcc"
88                 # Windows 2000 is required that includes Internet Explorer 5.01
89                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
90                 libmono_cflags="-mno-cygwin -mms-bitfields -mwindows"
91                 libmono_ldflags="-mno-cygwin -mms-bitfields -mwindows"
92                 libdl=
93                 libgc_threads=win32
94                 gc_default=included
95                 with_sigaltstack=no
96                 LN_S=cp
97                 # This forces libgc to use the DllMain based thread registration code on win32
98                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
99                 ;;
100         *-*-*netbsd*)
101                 platform_win32=no
102                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
103                 libmono_cflags="-D_REENTRANT"
104                 LDFLAGS="$LDFLAGS -pthread"
105                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
106                 libmono_ldflags="-pthread"
107                 need_link_unlink=yes
108                 libdl="-ldl"
109                 libgc_threads=pthreads
110                 with_sigaltstack=no
111                 use_sigposix=yes
112                 ;;
113         *-*-*freebsd*)
114                 platform_win32=no
115                 if test "x$PTHREAD_CFLAGS" = "x"; then
116                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
117                         libmono_cflags=
118                 else
119                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
120                         libmono_cflags="$PTHREAD_CFLAGS"
121                 fi
122                 if test "x$PTHREAD_LIBS" = "x"; then
123                         LDFLAGS="$LDFLAGS -pthread"
124                         libmono_ldflags="-pthread"
125                 else
126                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
127                         libmono_ldflags="$PTHREAD_LIBS"
128                 fi
129                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
130                 need_link_unlink=yes
131                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
132                 libdl=
133                 libgc_threads=pthreads
134                 # This doesn't seem to work as of 7.0 on amd64
135                 with_sigaltstack=no
136 # TLS is only partially implemented on -CURRENT (compiler support
137 # but NOT library support)
139                 with_tls=pthread
140                 use_sigposix=yes
141                 ;;
142         *-*-*openbsd*)
143                 platform_win32=no
144                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS -DPLATFORM_BSD"
145                 libmono_cflags="-D_THREAD_SAFE"
146                 LDFLAGS="$LDFLAGS -pthread"
147                 libmono_ldflags="-pthread"
148                 need_link_unlink=yes
149                 AC_DEFINE(PTHREAD_POINTER_ID)
150                 libdl=
151                 libgc_threads=pthreads
152                 use_sigposix=yes
153                 ;;
154         *-*-linux*)
155                 platform_win32=no
156                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
157                 if test "x$disable_munmap" != "xyes"; then
158                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
159                 fi
160                 libmono_cflags="-D_REENTRANT"
161                 libmono_ldflags="-lpthread"
162                 libdl="-ldl"
163                 libgc_threads=pthreads
164                 AOT_SUPPORTED="yes"
165                 use_sigposix=yes
166                 ;;
167         *-*-hpux*)
168                 platform_win32=no
169                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
170                 # +ESdbgasm only valid on bundled cc on RISC
171                 # silently ignored for ia64
172                 if test $GCC != "yes"; then
173                         CFLAGS="$CFLAGS +ESdbgasm"
174                         # Arrange for run-time dereferencing of null
175                         # pointers to produce a SIGSEGV signal.
176                         LDFLAGS="$LDFLAGS -z"
177                 fi
178                 CFLAGS="$CFLAGS +ESdbgasm"
179                 LDFLAGS="$LDFLAGS -z"
180                 libmono_cflags="-D_REENTRANT"
181                 libmono_ldflags="-lpthread"
182                 libgc_threads=pthreads
183                 need_link_unlink=yes
184                 use_sigposix=yes
185                 ;;
186         *-*-solaris*)
187                 platform_win32=no
188                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
189                 need_link_unlink=yes
190                 libmono_cflags="-D_REENTRANT"
191                 libgc_threads=pthreads
192                 # This doesn't seem to work on solaris/x86, but the configure test runs
193                 with_tls=pthread
194                 has_dtrace=yes
195                 use_sigposix=yes
196                 ;;
197         *-*-darwin*)
198                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
199                 platform_win32=no
200                 platform_darwin=yes
201                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
202                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
203                 libmono_cflags="-D_THREAD_SAFE"
204                 LDFLAGS="$LDFLAGS -pthread"
205                 libmono_ldflags="-pthread"
206                 need_link_unlink=yes
207                 AC_DEFINE(PTHREAD_POINTER_ID)
208                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
209                 no_version_script=yes
210                 libdl=
211                 libgc_threads=pthreads
212                 has_dtrace=yes
213                 if test "x$cross_compiling" = "xyes"; then
214                         has_broken_apple_cpp=yes
215                 fi
216                 ;;
217         *)
218                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
219                 platform_win32=no
220                 libdl="-ldl"
221                 ;;
222 esac
223 AC_MSG_RESULT(ok)
225 if test x$need_link_unlink = xyes; then
226    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
229 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
230 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
231 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
232 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
234 AC_CHECK_TOOL(CC, gcc, gcc)
235 AC_PROG_CC
236 # Disabled for now to fix the windows build
237 #AC_PROG_CXX
238 AM_PROG_AS
239 AM_PROG_CC_STDC
240 AC_PROG_INSTALL
241 AC_PROG_AWK
242 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
243 : ${CCAS='$(CC)'}
244 # Set ASFLAGS if not already set.
245 : ${CCASFLAGS='$(CFLAGS)'}
246 AC_SUBST(CCAS)
247 AC_SUBST(CCASFLAGS)
249 AC_CHECK_PROG(BISON, bison,yes,no)
250 if test "x$BISON" = "xno";
251 then
252         AC_MSG_ERROR([You need to install bison])
255 dnl may require a specific autoconf version
256 dnl AC_PROG_CC_FOR_BUILD
257 dnl CC_FOR_BUILD not automatically detected
258 CC_FOR_BUILD=$CC
259 CFLAGS_FOR_BUILD=$CFLAGS
260 BUILD_EXEEXT=
261 if test "x$cross_compiling" = "xyes"; then
262         CC_FOR_BUILD=cc
263         CFLAGS_FOR_BUILD=
264         BUILD_EXEEXT=""
266 AC_SUBST(CC_FOR_BUILD)
267 AC_SUBST(CFLAGS_FOR_BUILD)
268 AC_SUBST(HOST_CC)
269 AC_SUBST(BUILD_EXEEXT)
271 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
272 AM_CONDITIONAL(USE_BATCH_FILES, [test x$platform_win32 = xyes -a x$cross_compiling = xyes])
274 # Set STDC_HEADERS
275 AC_HEADER_STDC
276 AC_LIBTOOL_WIN32_DLL
277 # This causes monodis to not link correctly
278 #AC_DISABLE_FAST_INSTALL
279 AM_PROG_LIBTOOL
280 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
281 DOLT
283 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
284 AC_SUBST(export_ldflags)
286 # Test whenever ld supports -version-script
287 AC_PROG_LD
288 AC_PROG_LD_GNU
289 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
290    no_version_script=yes
293 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
295 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h sys/utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h sys/uio.h)
296 AC_CHECK_HEADERS(sys/user.h sys/socket.h sys/ipc.h sys/sem.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h)
299 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
300 if test x$have_zlib = xyes; then
301    AC_TRY_COMPILE([#include <zlib.h>], [
302    void main () {
303    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
304    }
305    #else
306    #error No good zlib found
307    #endif
308    ],[
309         AC_MSG_RESULT(Using system zlib)
310         zlib_msg="system zlib"
311    ],[
312         AC_MSG_RESULT(Using embedded zlib)
313         have_zlib=no
314         zlib_msg="bundled zlib"
315    ])
318 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
319 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
321 # for mono/metadata/debug-symfile.c
322 AC_CHECK_HEADERS(elf.h)
324 # for support
325 AC_CHECK_HEADERS(poll.h)
326 AC_CHECK_HEADERS(sys/poll.h)
327 AC_CHECK_HEADERS(sys/wait.h)
328 AC_CHECK_HEADERS(grp.h)
329 AC_CHECK_HEADERS(syslog.h)
331 # for mono/dis
332 AC_CHECK_HEADERS(wchar.h)
333 AC_CHECK_HEADERS(ieeefp.h)
334 AC_MSG_CHECKING(for isinf)
335 AC_TRY_LINK([#include <math.h>], [
336         int f = isinf (1);
337 ], [
338         AC_MSG_RESULT(yes)
339         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
340 ], [
341         # We'll have to use signals
342         AC_MSG_RESULT(no)
346 # not 64 bit clean in cross-compile
347 AC_CHECK_SIZEOF(void *, 4)
349 WARN=''
350 if test x"$GCC" = xyes; then
351         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings'
352                 # The runtime code does not respect ANSI C strict aliasing rules
353                 CFLAGS="$CFLAGS -fno-strict-aliasing"
355                 ORIG_CFLAGS=$CFLAGS
356                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
357                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
358                 AC_TRY_COMPILE([], [
359                                                    void main () { }
360                 ], [
361                    AC_MSG_RESULT(yes)
362                 ], [
363                    AC_MSG_RESULT(no)
364                    CFLAGS=$ORIG_CFLAGS
365                 ])
366 else
367         # The Sun Forte compiler complains about inline functions that access static variables
368         # so disable all inlining.
369         case "$host" in
370         *-*-solaris*)
371                 CFLAGS="$CFLAGS -Dinline="
372                 ;;
373         esac
375 CFLAGS="$CFLAGS -g $WARN"
376 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
378 # Where's the 'mcs' source tree?
379 if test -d $srcdir/mcs; then
380   mcsdir=mcs
381 else
382   mcsdir=../mcs
386 # A sanity check to catch cases where the package was unpacked
387 # with an ancient tar program (Solaris)
389 AC_ARG_ENABLE(solaris-tar-check,
390 [  --disable-solaris-tar-check    disable solaris tar check],
391    do_solaris_tar_check=no, do_solaris_tar_check=yes)
393 if test x"$do_solaris_tar_check" = xyes; then
394         AC_MSG_CHECKING(integrity of package)
395         if test -f $srcdir/$mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
396         then
397                 AC_MSG_RESULT(ok)
398         else
399                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
400                 AC_MSG_ERROR([$errorm])
401         fi
404 mcs_topdir='$(top_srcdir)/'$mcsdir
405 mcs_topdir_from_srcdir='$(top_builddir)/'$mcsdir
407 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
408 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
410 AC_SUBST([mcs_topdir])
411 AC_SUBST([mcs_topdir_from_srcdir])
413 # Where's the 'olive' source tree?
414 if test -d $srcdir/olive; then
415   olivedir=olive
416 else
417   olivedir=../olive
420 if test -d $srcdir/$olivedir; then
421 olive_topdir='$(top_srcdir)/'$olivedir
424 # gettext: prepare the translation directories. 
425 # we do not configure the full gettext, as we consume it dynamically from C#
426 AM_PO_SUBDIRS
428 if test "x$USE_NLS" = "xyes"; then
429    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
431    if test "x$HAVE_MSGFMT" = "xno"; then
432           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
433    fi
436 AC_ARG_WITH([libgdiplus], 
437         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)], 
438         [], [with_libgdiplus=installed])
440 case $with_libgdiplus in
441 no|installed) libgdiplus_loc= ;;
442 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
443 /*) libgdiplus_loc=$with_libgdiplus ;;
444 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
445 esac
446 AC_SUBST([libgdiplus_loc])
448 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
449 if test "x$PKG_CONFIG" = "xno"; then
450         AC_MSG_ERROR([You need to install pkg-config])
453 pkg_config_path=
454 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
455         if test x$with_crosspkgdir = "x"; then
456                 if test -s $PKG_CONFIG_PATH; then
457                         pkg_config_path=$PKG_CONFIG_PATH
458                 fi
459         else
460                 pkg_config_path=$with_crosspkgdir
461                 PKG_CONFIG_PATH=$pkg_config_path
462                 export PKG_CONFIG_PATH
463         fi
466 AC_ARG_WITH([glib],
467         [  --with-glib=embedded|system    Choose glib API: system or embedded (default to system)],
468         [], [with_glib=system])
470 eglib_dir=
472 case $with_glib in
473 embedded) 
474   GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
475   GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
476   BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
477   BUILD_GLIB_LIBS="$GLIB_LIBS"
478   GMODULE_CFLAGS="$GLIB_CFLAGS"
479   GMODULE_LIBS="$GLIB_LIBS"
480   eglib_dir=eglib
481   AC_CONFIG_SUBDIRS(eglib)
482   ;;
483 system)
484   if test "x$cross_compiling" = "xyes"; then
485     pkg_config_path="$PKG_CONFIG_PATH"
486     unset PKG_CONFIG_PATH
487   fi
488   BUILD_GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
489   BUILD_GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
490   if test "x$cross_compiling" = "xyes"; then
491     PKG_CONFIG_PATH=$pkg_config_path
492     export PKG_CONFIG_PATH
493   fi
494   
495   ## Versions of dependencies
496   GLIB_REQUIRED_VERSION=2.4.0
498   dnl
499   dnl No, you will not replace this check with a pkg.m4 check
500   dnl
501   if $PKG_CONFIG --atleast-version=$GLIB_REQUIRED_VERSION glib-2.0; then
502       GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
503       GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
504       GMODULE_CFLAGS=`$PKG_CONFIG --cflags gmodule-2.0`
505       GMODULE_LIBS=`$PKG_CONFIG --libs gmodule-2.0`
506   else
507         AC_MSG_ERROR([You need at least glib-2.0 $GLIB_REQUIRED_VERSION])
508   fi
509   ;;
511   AC_MSG_ERROR([Invalid argument to --with-glib.])
512 esac
513 AM_CONDITIONAL(EGLIB_BUILD, test x$with_glib = xembedded)
514   
515 AC_SUBST(GLIB_CFLAGS)
516 AC_SUBST(GLIB_LIBS)
517 AC_SUBST(GMODULE_CFLAGS)
518 AC_SUBST(GMODULE_LIBS)
519 AC_SUBST(BUILD_GLIB_CFLAGS)
520 AC_SUBST(BUILD_GLIB_LIBS)
521 AC_SUBST(eglib_dir)
523 if test x$cross_compiling$platform_win32 = xnoyes; then
524    AC_MSG_CHECKING(for cygwin glib2-dev package)
525    if [ cygcheck --f /usr/lib/libglib-2.0.dll.a | grep -q glib2-devel ]; then
526       AC_MSG_RESULT(found)
527           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.])
528    else
529       AC_MSG_RESULT(not found, ok)
530    fi
532    AC_MSG_CHECKING(for broken gwin32.h)
533    glib_include=`$PKG_CONFIG --cflags-only-I glib-2.0 | sed -e 's/ -I.*//g' | sed -e 's/-I//g'`
534    if test -f $glib_include/glib/gwin32.h; then
535           if [ grep ftruncate $glib_include/glib/gwin32.h | grep -q define ]; then
536                  AC_MSG_RESULT(failed)
537                  hashmark='#'
538                  AC_MSG_ERROR([Your version of gwin32.h is broken and will cause compilation errors when building mono. Please fix it by deleting the line: '$hashmark   define ftruncate...' from '$glib_include/glib/gwin32.h' then re-run configure.])
539           fi
540    fi
541    AC_MSG_RESULT(ok)
544 AC_ARG_WITH(gc, [  --with-gc=boehm,included,none  Defaults to included],[gc=$with_gc],[gc=$gc_default])
546 # Enable support for fast thread-local storage
547 # Some systems have broken support, so we allow to disable it.
548 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
550 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
551 # This does not work on some platforms (bug #55253)
552 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
554 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
556 if test "x$enable_static" = "xno"; then
557    with_static_mono=no
560 if test "x$platform_win32" = "xyes"; then
561    # Boehm GC requires the runtime to be in its own dll
562    with_static_mono=no
565 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
566 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
568 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
569 if test "x$with_xen_opt" = "xyes"; then
570         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
571         ORIG_CFLAGS=$CFLAGS
572         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
573         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
574         AC_TRY_COMPILE([], [
575                                            void main () { }
576         ], [
577            AC_MSG_RESULT(yes)
578            # Pass it to libgc as well
579            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
580         ], [
581            AC_MSG_RESULT(no)
582            CFLAGS=$ORIG_CFLAGS
583         ])
586 AC_ARG_ENABLE(quiet-build, [  --enable-quiet-build  Enable quiet runtime build (on by default)], enable_quiet_build=$enableval, enable_quiet_build=yes)
588 DISABLED_FEATURES=none
590 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
591      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
592      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd.],
594         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
595                 eval "mono_feature_disable_$feature='yes'"
596         done
597         DISABLED_FEATURES=$enable_minimal
598         disabled="Disabled:    $enable_minimal"
599 ],[])
601 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
603 if test "x$mono_feature_disable_aot" = "xyes"; then
604         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
605         AC_MSG_NOTICE([Disabled AOT compiler])
608 if test "x$mono_feature_disable_profiler" = "xyes"; then
609         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
610         AC_MSG_NOTICE([Disabled support for the profiler])
612 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
614 if test "x$mono_feature_disable_decimal" = "xyes"; then
615         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
616         AC_MSG_NOTICE([Disabled support for decimal])
619 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
620         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
621         AC_MSG_NOTICE([Disabled support for P/Invoke])
624 if test "x$mono_feature_disable_debug" = "xyes"; then
625         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
626         AC_MSG_NOTICE([Disabled support for runtime debugging])
629 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
630         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
631         mono_feature_disable_reflection_emit_save=yes
632         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
635 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
636         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
637         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
640 if test "x$mono_feature_disable_large_code" = "xyes"; then
641         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
642         AC_MSG_NOTICE([Disabled support for large assemblies])
645 if test "x$mono_feature_disable_logging" = "xyes"; then
646         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
647         AC_MSG_NOTICE([Disabled support for logging])
650 if test "x$mono_feature_disable_com" = "xyes"; then
651         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
652         AC_MSG_NOTICE([Disabled COM support])
655 if test "x$mono_feature_disable_ssa" = "xyes"; then
656         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
657         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
660 if test "x$mono_feature_disable_generics" = "xyes"; then
661         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
662         AC_MSG_NOTICE([Disabled Generics Support])
665 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
666         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
667         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
670 if test "x$mono_feature_disable_portability" = "xyes"; then
671         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
672         AC_MSG_NOTICE([Disabled IO Portability layer])
675 if test "x$mono_feature_disable_attach" = "xyes"; then
676         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
677         AC_MSG_NOTICE([Disabled agent attach])
680 if test "x$mono_feature_disable_full_messages" = "xyes"; then
681         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
682         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
685 if test "x$mono_feature_disable_verifier" = "xyes"; then
686         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
687         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
691 if test "x$mono_feature_disable_jit" = "xyes"; then
692         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
693         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
696 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
698 if test "x$mono_feature_disable_simd" = "xyes"; then
699         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
700         AC_MSG_NOTICE([Disabled SIMD support])
703 AC_MSG_CHECKING(for visibility __attribute__)
704 AC_TRY_COMPILE([], [
705    void __attribute__ ((visibility ("hidden"))) doit (void) {}
706    void main () { doit (); }
707 ], [
708    have_visibility_hidden=yes
709    AC_MSG_RESULT(yes)
710 ], [
711    have_visibility_hidden=no
712    AC_MSG_RESULT(no)
715 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
716 if test x$enable_parallel_mark = xyes; then
717         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
720 LIBGC_CFLAGS=
721 LIBGC_LIBS=
722 LIBGC_STATIC_LIBS=
723 libgc_dir=
724 case "x$gc" in
725         xboehm|xbohem|xyes)
726                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
727                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
729                 if test "x$found_boehm" != "xyes"; then
730                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
731                 fi
732                 if test "x$gc_headers" != "xyes"; then
733                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
734                 fi
736                 AC_DEFINE(HAVE_BOEHM_GC, 1, [Have Boehm GC])
737                 AC_SUBST(HAVE_BOEHM_GC)
738                 LIBGC_LIBS="-lgc $libdl"
739                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
741                 # AC_CHECK_FUNCS does not work for some reason...
742                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
743                 if test "x$found_gcj_malloc" = "xyes"; then
744                         AC_DEFINE(HAVE_GC_GCJ_MALLOC, 1, [Have GC_gcj_malloc])
745                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (with typed GC)", [GC description])
746                 else
747                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (no typed GC)", [GC description])
748                 fi
749                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
750                 if test "x$found_gc_enable" = "xyes"; then
751                         AC_DEFINE(HAVE_GC_ENABLE, 1, [Have 'GC_enable'])
752                 fi
753                 ;;
755         xincluded)
756                 found_boehm=yes
757                 gc_headers=yes
758                 use_included_gc=yes
759                 libgc_dir=libgc
761                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
762                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
763                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
765                 AC_DEFINE(HAVE_BOEHM_GC, 1, [Have Boehm GC])
766                 AC_SUBST(HAVE_BOEHM_GC)
768                 AC_DEFINE(HAVE_GC_H, 1, [Have gc.h])
769                 AC_DEFINE(USE_INCLUDED_LIBGC, 1, [Use included libgc])
771                 # The included libgc contains GCJ support
772                 AC_DEFINE(HAVE_GC_GCJ_MALLOC, 1, [Have GC_gcj_malloc])
773                 AC_DEFINE(HAVE_GC_ENABLE, 1, [Have GC_enable])
774                 if test x$enable_parallel_mark = xyes; then
775                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
776                 else
777                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "Included Boehm (with typed GC)", [GC description])
778                 fi
779                 ;;
781         xsgen)
782                 found_boehm=no
783                 gc_headers=no
784                 use_included_gc=no
785                 AC_DEFINE(HAVE_SGEN_GC,1,[Using the simple generational GC.])
786                 AC_DEFINE(HAVE_MOVING_COLLECTOR,1,[The GC can move objects.])
787                 AC_DEFINE(HAVE_WRITE_BARRIERS,1,[The GC needs write barriers.])
788                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Simple generational", [GC description])
789                 ;;
791         xnone)
792                 AC_MSG_WARN("Compiling mono without GC.")
793                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "none", [GC description])
794                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
795                 ;;
796         *)
797                 AC_MSG_ERROR([Invalid argument to --with-gc.])
798                 ;;
799 esac
801 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
802 if test "x$large_heap" = "xyes"; then
803    echo "FOO"
804    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
807 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
808 AC_SUBST(LIBGC_CFLAGS)
809 AC_SUBST(LIBGC_LIBS)
810 AC_SUBST(LIBGC_STATIC_LIBS)
811 AC_SUBST(libgc_dir)
814 dnl End of libgc checks
817 if test x$platform_win32 = xno; then
819         dnl hires monotonic clock support
820         AC_SEARCH_LIBS(clock_gettime, rt)
822         dnl dynamic loader support
823         AC_CHECK_FUNC(dlopen, DL_LIB="",
824                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
825         )
826         if test x$dl_support = xno; then
827                 AC_MSG_WARN([No dynamic loading support available])
828         else
829                 LIBS="$LIBS $DL_LIB"
830                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
831                 dnl from glib's configure.in
832                 AC_CACHE_CHECK([for preceeding underscore in symbols],
833                         mono_cv_uscore,[
834                         AC_TRY_RUN([#include <dlfcn.h>
835                         int mono_underscore_test (void) { return 42; }
836                         int main() {
837                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
838                           handle = dlopen ((void*)0, 0);
839                           if (handle) {
840                             f1 = dlsym (handle, "mono_underscore_test");
841                             f2 = dlsym (handle, "_mono_underscore_test");
842                           } return (!f2 || f1);
843                         }],
844                                 [mono_cv_uscore=yes],
845                                 [mono_cv_uscore=no],
846                         [])
847                 ])
848                 if test "x$mono_cv_uscore" = "xyes"; then
849                         MONO_DL_NEED_USCORE=1
850                 else
851                         MONO_DL_NEED_USCORE=0
852                 fi
853                 AC_SUBST(MONO_DL_NEED_USCORE)
854                 AC_CHECK_FUNC(dlerror)
855         fi
857         dnl ******************************************************************
858         dnl *** Checks for the IKVM JNI interface library                  ***
859         dnl ******************************************************************
860         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no      build the IKVM JNI interface library (defaults to yes)],[with_ikvm_native=$withval],[with_ikvm_native=yes])
862         ikvm_native_dir=
863         if test x$with_ikvm_native = xyes; then
864                 ikvm_native_dir=ikvm-native
865                 jdk_headers_found="IKVM Native"
866         fi
868         AC_SUBST(ikvm_native_dir)
870         AC_CHECK_HEADERS(execinfo.h)
872         AC_CHECK_FUNCS(getgrgid_r)
873         AC_CHECK_FUNCS(getgrnam_r)
874         AC_CHECK_FUNCS(getpwnam_r)
875         AC_CHECK_FUNCS(getpwuid_r)
876         AC_CHECK_FUNCS(getresuid)
877         AC_CHECK_FUNCS(setresuid)
878         AC_CHECK_FUNCS(kqueue)
879         AC_CHECK_FUNCS(backtrace_symbols)
880         AC_CHECK_FUNCS(mkstemp)
881         AC_CHECK_FUNCS(mmap)
882         AC_CHECK_FUNCS(madvise)
883         AC_CHECK_FUNCS(getrusage)
884         AC_CHECK_FUNCS(getpriority)
885         AC_CHECK_FUNCS(setpriority)
887         AC_CHECK_FUNCS(sched_setaffinity)
889         dnl ******************************************************************
890         dnl *** Check for large file support                               ***
891         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
892         dnl ******************************************************************
893         
894         # Check that off_t can represent 2**63 - 1 correctly, working around
895         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
896         # CPPFLAGS and sets $large_offt to yes if the test succeeds
897         large_offt=no
898         AC_DEFUN([LARGE_FILES], [
899                 large_CPPFLAGS=$CPPFLAGS
900                 CPPFLAGS="$CPPFLAGS $1"
901                 AC_TRY_RUN([
902                         #include <sys/types.h>
904                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
906                         int main(void) {
907                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
908                                                (BIG_OFF_T%2147483647==1));
909                                 if(big_off_t) {
910                                         exit(0);
911                                 } else {
912                                         exit(1);
913                                 }
914                         }
915                 ], [
916                         AC_MSG_RESULT(ok)
917                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
918                         large_CPPFLAGS="$large_CPPFLAGS $1"
919                         large_offt=yes
920                 ], [
921                         AC_MSG_RESULT(no)
922                 ], "")
923                 CPPFLAGS=$large_CPPFLAGS
924         ])
926         AC_MSG_CHECKING(if off_t is 64 bits wide)
927         LARGE_FILES("")
928         if test $large_offt = no; then
929                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
930                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
931         fi
932         if test $large_offt = no; then
933                 AC_MSG_WARN([No 64 bit file size support available])
934         fi
935         
936         dnl *****************************
937         dnl *** Checks for libsocket  ***
938         dnl *****************************
939         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
941         dnl *******************************
942         dnl *** Checks for MSG_NOSIGNAL ***
943         dnl *******************************
944         AC_MSG_CHECKING(for MSG_NOSIGNAL)
945         AC_TRY_COMPILE([#include <sys/socket.h>], [
946                 int f = MSG_NOSIGNAL;
947         ], [
948                 # Yes, we have it...
949                 AC_MSG_RESULT(yes)
950                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
951         ], [
952                 # We'll have to use signals
953                 AC_MSG_RESULT(no)
954         ])
956         dnl *****************************
957         dnl *** Checks for SOL_IP     ***
958         dnl *****************************
959         AC_MSG_CHECKING(for SOL_IP)
960         AC_TRY_COMPILE([#include <netdb.h>], [
961                 int level = SOL_IP;
962         ], [
963                 # Yes, we have it...
964                 AC_MSG_RESULT(yes)
965                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
966         ], [
967                 # We'll have to use getprotobyname
968                 AC_MSG_RESULT(no)
969         ])
971         dnl *****************************
972         dnl *** Checks for SOL_IPV6     ***
973         dnl *****************************
974         AC_MSG_CHECKING(for SOL_IPV6)
975         AC_TRY_COMPILE([#include <netdb.h>], [
976                 int level = SOL_IPV6;
977         ], [
978                 # Yes, we have it...
979                 AC_MSG_RESULT(yes)
980                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
981         ], [
982                 # We'll have to use getprotobyname
983                 AC_MSG_RESULT(no)
984         ])
986         dnl *****************************
987         dnl *** Checks for SOL_TCP    ***
988         dnl *****************************
989         AC_MSG_CHECKING(for SOL_TCP)
990         AC_TRY_COMPILE([#include <netdb.h>], [
991                 int level = SOL_TCP;
992         ], [
993                 # Yes, we have it...
994                 AC_MSG_RESULT(yes)
995                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
996         ], [
997                 # We'll have to use getprotobyname
998                 AC_MSG_RESULT(no)
999         ])
1001         dnl *****************************
1002         dnl *** Checks for IP_PKTINFO ***
1003         dnl *****************************
1004         AC_MSG_CHECKING(for IP_PKTINFO)
1005         AC_TRY_COMPILE([#include <netdb.h>], [
1006                 int level = IP_PKTINFO;
1007         ], [
1008                 # Yes, we have it...
1009                 AC_MSG_RESULT(yes)
1010                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1011         ], [
1012                 AC_MSG_RESULT(no)
1013         ])
1015         dnl *****************************
1016         dnl *** Checks for IPV6_PKTINFO ***
1017         dnl *****************************
1018         AC_MSG_CHECKING(for IPV6_PKTINFO)
1019         AC_TRY_COMPILE([#include <netdb.h>], [
1020                 int level = IPV6_PKTINFO;
1021         ], [
1022                 # Yes, we have it...
1023                 AC_MSG_RESULT(yes)
1024                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1025         ], [
1026                 AC_MSG_RESULT(no)
1027         ])
1029         dnl **********************************
1030         dnl *** Checks for IP_DONTFRAGMENT ***
1031         dnl **********************************
1032         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1033         AC_TRY_COMPILE([#include <netdb.h>], [
1034                 int level = IP_DONTFRAGMENT;
1035         ], [
1036                 # Yes, we have it...
1037                 AC_MSG_RESULT(yes)
1038                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1039         ], [
1040                 AC_MSG_RESULT(no)
1041         ])
1043         dnl **********************************
1044         dnl *** Checks for IP_MTU_DISCOVER ***
1045         dnl **********************************
1046         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1047         AC_TRY_COMPILE([#include <netdb.h>], [
1048                 int level = IP_MTU_DISCOVER;
1049         ], [
1050                 # Yes, we have it...
1051                 AC_MSG_RESULT(yes)
1052                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1053         ], [
1054                 AC_MSG_RESULT(no)
1055         ])
1057         dnl *********************************
1058         dnl *** Check for struct ip_mreqn ***
1059         dnl *********************************
1060         AC_MSG_CHECKING(for struct ip_mreqn)
1061         AC_TRY_COMPILE([#include <netinet/in.h>], [
1062                 struct ip_mreqn mreq;
1063                 mreq.imr_address.s_addr = 0;
1064         ], [
1065                 # Yes, we have it...
1066                 AC_MSG_RESULT(yes)
1067                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1068         ], [
1069                 # We'll just have to try and use struct ip_mreq
1070                 AC_MSG_RESULT(no)
1071                 AC_MSG_CHECKING(for struct ip_mreq)
1072                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1073                         struct ip_mreq mreq;
1074                         mreq.imr_interface.s_addr = 0;
1075                 ], [
1076                         # Yes, we have it...
1077                         AC_MSG_RESULT(yes)
1078                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1079                 ], [
1080                         # No multicast support
1081                         AC_MSG_RESULT(no)
1082                 ])
1083         ])
1084         
1085         dnl **********************************
1086         dnl *** Check for gethostbyname2_r ***
1087         dnl **********************************
1088         AC_MSG_CHECKING(for gethostbyname2_r)
1089                 AC_TRY_LINK([#include <netdb.h>], [
1090                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1091         ], [
1092                 # Yes, we have it...
1093                 AC_MSG_RESULT(yes)
1094                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1095         ], [
1096                 AC_MSG_RESULT(no)
1097         ])
1099         dnl *****************************
1100         dnl *** Checks for libnsl     ***
1101         dnl *****************************
1102         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1104         AC_CHECK_FUNCS(inet_pton inet_aton)
1106         dnl ***********************************************
1107         dnl *** Checks for size of sockaddr_un.sun_path ***
1108         dnl ***********************************************
1109         # AC_CHECK_SIZEOF can't cope with struct members :-(
1110         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1111         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1112                 [AC_TRY_RUN([
1113                         #include <sys/types.h>
1114                         #include <stdio.h>
1115                         #include <sys/un.h>
1117                         int main(void) {
1118                                 struct sockaddr_un sock_un;
1119                                 FILE *f=fopen("conftestval", "w");
1120                                 if(!f) exit(1);
1121                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1122                                 exit(0);
1123                         }
1124                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1125                    mono_cv_sizeof_sunpath=0,
1126                    mono_cv_sizeof_sunpath=0)])dnl
1127         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1128         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1130         dnl *************************************
1131         dnl *** Checks for zero length arrays ***
1132         dnl *************************************
1133         AC_MSG_CHECKING(whether $CC supports zero length arrays)
1134         AC_TRY_COMPILE([
1135                 struct s {
1136                         int  length;
1137                         char data [0];
1138                 };
1139         ], [], [
1140                 AC_MSG_RESULT(yes)
1141                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0, [Length of zero length arrays])
1142         ], [
1143                 AC_MSG_RESULT(no)
1144                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1, [Length of zero length arrays])
1145         ])
1147         dnl *****************************
1148         dnl *** Checks for libxnet    ***
1149         dnl *****************************
1150         case "${host}" in
1151                 *solaris* )
1152                         AC_MSG_CHECKING(for Solaris XPG4 support)
1153                         if test -f /usr/lib/libxnet.so; then
1154                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1155                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1156                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1157                                 LIBS="$LIBS -lxnet"
1158                                 AC_MSG_RESULT(yes)
1159                         else
1160                                 AC_MSG_RESULT(no)
1161                         fi
1163                         if test "$GCC" = "yes"; then
1164                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1165                         fi
1166                 ;;
1167         esac
1169         dnl *****************************
1170         dnl *** Checks for libpthread ***
1171         dnl *****************************
1172 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1173 # and libpthread does not exist
1175         case "${host}" in
1176                 *-*-*freebsd*)
1177                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1178                 ;;
1179                 *)
1180                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1181                 ;;
1182         esac
1183         AC_CHECK_HEADERS(pthread.h)
1184         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1185         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1186         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1187         AC_TRY_COMPILE([ #include <pthread.h>], [
1188                 pthread_mutexattr_t attr;
1189                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1190         ], [
1191                 AC_MSG_RESULT(ok)
1192         ], [
1193                 AC_MSG_RESULT(no)
1194                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1195                 AC_DEFINE(USE_MONO_MUTEX, 1, [Use mono_mutex_t])
1196         ])
1197         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1198         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1199         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1201         dnl ***********************************
1202         dnl *** Checks for signals
1203         dnl ***********************************
1204         AC_CHECK_HEADERS(signal.h)
1205         AC_CHECK_FUNCS(sigaction)
1207         dnl ***********************************
1208         dnl *** Checks for working __thread ***
1209         dnl ***********************************
1210         AC_MSG_CHECKING(for working __thread)
1211         if test "x$with_tls" != "x__thread"; then
1212                 AC_MSG_RESULT(disabled)
1213         else
1214                 AC_TRY_RUN([
1215                         #include <pthread.h>
1216                         __thread int i;
1217                         static int res1, res2;
1219                         void thread_main (void *arg)
1220                         {
1221                                 i = arg;
1222                                 sleep (1);
1223                                 if (arg == 1)
1224                                         res1 = (i == arg);
1225                                 else
1226                                         res2 = (i == arg);
1227                         }
1229                         int main () {
1230                                 pthread_t t1, t2;
1232                                 i = 5;
1234                                 pthread_create (&t1, NULL, thread_main, 1);
1235                                 pthread_create (&t2, NULL, thread_main, 2);
1237                                 pthread_join (t1, NULL);
1238                                 pthread_join (t2, NULL);
1240                                 return !(res1 + res2 == 2);
1241                         }
1242                 ], [
1243                                 AC_MSG_RESULT(yes)
1244                 ], [
1245                                 AC_MSG_RESULT(no)
1246                                 with_tls=pthread
1247                 ])
1248         fi
1250         dnl **************************************
1251         dnl *** Checks for working sigaltstack ***
1252         dnl **************************************
1253         AC_MSG_CHECKING(for working sigaltstack)
1254         if test "x$with_sigaltstack" != "xyes"; then
1255                 AC_MSG_RESULT(disabled)
1256         else
1257                 AC_TRY_RUN([
1258                         #include <stdio.h>
1259                         #include <stdlib.h>
1260                         #include <unistd.h>
1261                         #include <signal.h>
1262                         #include <pthread.h>
1263                         #include <sys/wait.h>
1264                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1265                         #define SA_STACK SA_ONSTACK
1266                         #endif
1267                         static void
1268                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1269                         {
1270                                 exit (0);
1271                         }
1273                         static void *
1274                         loop (void *ignored)
1275                         {
1276                                 char *ptr = NULL;
1278                                 *ptr = 0;
1279                                 return NULL;
1280                         }
1282                         static void
1283                         child ()
1284                         {
1285                                 struct sigaction sa;
1286                                 struct sigaltstack sas;
1287                                 pthread_t id;
1288                                 pthread_attr_t attr;
1290                                 sa.sa_sigaction = sigsegv_signal_handler;
1291                                 sigemptyset (&sa.sa_mask);
1292                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1293                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1294                                         perror ("sigaction");
1295                                         return;
1296                                 }
1298                                 sas.ss_sp = malloc (SIGSTKSZ);
1299                                 sas.ss_size = SIGSTKSZ;
1300                                 sas.ss_flags = 0;
1301                                 if (sigaltstack (&sas, NULL) == -1) {
1302                                         perror ("sigaltstack");
1303                                         return;
1304                                 }
1306                                 pthread_attr_init (&attr);
1307                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1308                                         printf ("pthread_create\n");
1309                                         return;
1310                                 }
1312                                 sleep (100);
1313                         }
1315                         int
1316                         main ()
1317                         {
1318                                 pid_t son;
1319                                 int status;
1320                                 int i;
1322                                 son = fork ();
1323                                 if (son == -1) {
1324                                         return 1;
1325                                 }
1327                                 if (son == 0) {
1328                                         child ();
1329                                         return 0;
1330                                 }
1332                                 for (i = 0; i < 3; ++i) {
1333                                         sleep (1);
1334                                         waitpid (son, &status, WNOHANG);
1335                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1336                                                 return 0;
1337                                 }
1339                                 kill (son, SIGKILL);
1340                                 return 1;
1341                         }
1343                 ], [
1344                                 AC_MSG_RESULT(yes)
1345                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1346                 ], [
1347                                 with_sigaltstack=no
1348                                 AC_MSG_RESULT(no)
1349                 ])
1350         fi
1352         dnl ********************************
1353         dnl *** Checks for semaphore lib ***
1354         dnl ********************************
1355         # 'Real Time' functions on Solaris
1356         # posix4 on Solaris 2.6
1357         # pthread (first!) on Linux
1358         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1360         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1361         AC_CHECK_FUNCS(shm_open)
1363         dnl ********************************
1364         dnl *** Checks for timezone stuff **
1365         dnl ********************************
1366         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1367                 AC_TRY_COMPILE([
1368                         #include <time.h>
1369                         ], [
1370                         struct tm tm;
1371                         tm.tm_gmtoff = 1;
1372                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1373         if test $ac_cv_struct_tm_gmtoff = yes; then
1374                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1375         else
1376                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1377                         AC_TRY_COMPILE([
1378                                 #include <time.h>
1379                         ], [
1380                                 timezone = 1;
1381                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1382                 if test $ac_cv_var_timezone = yes; then
1383                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1384                 else
1385                         AC_ERROR(unable to find a way to determine timezone)
1386                 fi
1387         fi
1389         dnl *********************************
1390         dnl *** Checks for math functions ***
1391         dnl *********************************
1392         LIBS="$LIBS -lm";
1393         if test "x$has_broken_apple_cpp" != "xyes"; then
1394                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1395                         AC_TRY_LINK([#include <math.h>], 
1396                         [ finite(0.0); ], 
1397                         AC_DEFINE(HAVE_FINITE, 1, [Have finite]) AC_MSG_RESULT(yes),
1398                         AC_MSG_RESULT(no)))
1399         fi
1400         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1401                 AC_TRY_LINK([#include <math.h>], 
1402                 [ isfinite(0.0); ], 
1403                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1404                 AC_MSG_RESULT(no)))
1406         dnl ****************************************************************
1407         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1408         dnl *** have it in the library (duh))                            ***
1409         dnl ****************************************************************
1410         AC_CHECK_FUNCS(poll)
1412         dnl *************************
1413         dnl *** Check for signbit ***
1414         dnl *************************
1415         AC_MSG_CHECKING(for signbit)
1416         AC_TRY_LINK([#include <math.h>], [
1417                 int s = signbit(1.0);
1418         ], [
1419                 AC_MSG_RESULT(yes)
1420                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1421         ], [
1422                 AC_MSG_RESULT(no)
1423         ]) 
1425         dnl **********************************
1426         dnl *** epoll                      ***
1427         dnl **********************************
1428         AC_CHECK_HEADERS(sys/epoll.h)
1429         haveepoll=no
1430         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1431         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1432                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1433         fi
1435         dnl ******************************
1436         dnl *** Checks for SIOCGIFCONF ***
1437         dnl ******************************
1438         AC_CHECK_HEADERS(sys/ioctl.h)
1439         AC_CHECK_HEADERS(net/if.h)
1440         AC_MSG_CHECKING(for ifreq)
1441         AC_TRY_COMPILE([
1442                 #include <stdio.h>
1443                 #include <sys/ioctl.h>
1444                 #include <net/if.h>
1445                 ], [
1446                 struct ifconf ifc;
1447                 struct ifreq *ifr;
1448                 void *x;
1449                 ifc.ifc_len = 0;
1450                 ifc.ifc_buf = NULL;
1451                 x = (void *) &ifr->ifr_addr;
1452                 ],[
1453                         AC_MSG_RESULT(yes)
1454                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1455                 ], [
1456                         AC_MSG_RESULT(no)
1457                 ])
1458         dnl **********************************
1459         dnl ***     Checks for sin_len     ***
1460         dnl **********************************
1461         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1462         AC_TRY_COMPILE([
1463                 #include <netinet/in.h>
1464                 ], [
1465                 struct sockaddr_in saddr;
1466                 saddr.sin_len = sizeof (saddr);
1467                 ],[
1468                         AC_MSG_RESULT(yes)
1469                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1470                 ], [
1471                         AC_MSG_RESULT(no)
1472                 ])      
1473         dnl **********************************
1474         dnl ***    Checks for sin6_len     ***
1475         dnl **********************************
1476         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1477         AC_TRY_COMPILE([
1478                 #include <netinet/in.h>
1479                 ], [
1480                 struct sockaddr_in6 saddr6;
1481                 saddr6.sin6_len = sizeof (saddr6);
1482                 ],[
1483                         AC_MSG_RESULT(yes)
1484                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1485                 ], [
1486                         AC_MSG_RESULT(no)
1487                 ])      
1488         dnl **********************************
1489         dnl *** Checks for MonoPosixHelper ***
1490         dnl **********************************
1491         AC_CHECK_HEADERS(checklist.h)
1492         AC_CHECK_HEADERS(fstab.h)
1493         AC_CHECK_HEADERS(attr/xattr.h)
1494         AC_CHECK_HEADERS(sys/extattr.h)
1495         AC_CHECK_HEADERS(sys/sendfile.h)
1496         AC_CHECK_HEADERS(sys/statvfs.h)
1497         AC_CHECK_HEADERS(sys/statfs.h)
1498         AC_CHECK_HEADERS(sys/vfstab.h)
1499         AC_CHECK_HEADERS(sys/xattr.h)
1500         AC_CHECK_HEADERS(sys/mman.h)
1501         AC_CHECK_HEADERS(sys/param.h)
1502         AC_CHECK_HEADERS(sys/mount.h)
1503         AC_CHECK_FUNCS(getdomainname)
1504         AC_CHECK_FUNCS(setdomainname)
1505         AC_CHECK_FUNCS(fgetgrent)
1506         AC_CHECK_FUNCS(fgetpwent)
1507         AC_CHECK_FUNCS(fgetpwent)
1508         AC_CHECK_FUNCS(getfsstat)
1509         AC_CHECK_FUNCS(lutimes)
1510         AC_CHECK_FUNCS(mremap)
1511         AC_CHECK_FUNCS(remap_file_pages)
1512         AC_CHECK_FUNCS(posix_fadvise)
1513         AC_CHECK_FUNCS(posix_fallocate)
1514         AC_CHECK_FUNCS(posix_madvise)
1515         AC_CHECK_FUNCS(vsnprintf)
1516         AC_CHECK_FUNCS(sendfile)
1517         AC_CHECK_FUNCS(sethostid)
1518         AC_CHECK_FUNCS(statfs)
1519         AC_CHECK_FUNCS(fstatfs)
1520         AC_CHECK_FUNCS(statvfs)
1521         AC_CHECK_FUNCS(fstatvfs)
1522         AC_CHECK_FUNCS(stime)
1523         AC_CHECK_FUNCS(strerror_r)
1524         AC_CHECK_FUNCS(ttyname_r)
1525         AC_CHECK_SIZEOF(size_t)
1526         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
1527                 [#include <sys/types.h>
1528                  #include <sys/stat.h>
1529                  #include <unistd.h>])
1530         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1531                 [#include <sys/types.h>
1532                  #include <sys/stat.h>
1533                  #include <unistd.h>])
1534         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1535                 [#include <sys/time.h>])
1536         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
1537                 [#include <unistd.h>
1538                  #include <fcntl.h>])
1539         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1540                 [#include <sys/poll.h>])
1541         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1542                 [#include <sys/types.h>
1543                  #include <sys/stat.h>
1544                  #include <unistd.h>])
1545         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
1546                 [#include <time.h>])
1547         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1548                 [#include <sys/time.h>
1549                  #include <sys/types.h>
1550                  #include <utime.h>])
1551         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1552                 [#include <sys/time.h>])
1553         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
1554                 [#include <sys/types.h>
1555                  #include <utime.h>])
1556         AC_CHECK_MEMBERS(
1557                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
1558                 [#include <sys/types.h>
1559                  #include <dirent.h>])
1561         dnl Favour xattr through glibc, but use libattr if we have to
1562         AC_CHECK_FUNC(lsetxattr, ,
1563                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1564         )
1565         AC_SUBST(XATTR_LIB)
1567         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
1568         AC_CHECK_MEMBERS(
1569                 [struct kinfo_proc.kp_proc],,, 
1570                 [#include <sys/types.h>
1571                  #include <sys/sysctl.h>
1572                  #include <sys/proc.h>
1573                  ])
1575         dnl *********************************
1576         dnl *** Checks for Windows compilation ***
1577         dnl *********************************
1578         AC_CHECK_HEADERS(sys/time.h)
1579         AC_CHECK_HEADERS(sys/param.h)
1580         AC_CHECK_HEADERS(dirent.h)
1582         dnl *********************************
1583         dnl *** Check for Console 2.0 I/O ***
1584         dnl *********************************
1585         AC_CHECK_HEADERS([curses.h])
1586         AC_CHECK_HEADERS([term.h], [], [],
1587         [#if HAVE_CURSES_H
1588          #include <curses.h>
1589          #endif
1590         ])
1591         AC_CHECK_HEADERS([termios.h])
1593         dnl * This is provided in io-layer, but on windows it's only available
1594         dnl * on xp+
1595         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1596 else
1597         jdk_headers_found=no
1598         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1599         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1600         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1601         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
1602         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1603         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
1604         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
1606         dnl *********************************
1607         dnl *** Check for struct ip_mreqn ***
1608         dnl *********************************
1609         AC_MSG_CHECKING(for struct ip_mreqn)
1610         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1611                 struct ip_mreqn mreq;
1612                 mreq.imr_address.s_addr = 0;
1613         ], [
1614                 # Yes, we have it...
1615                 AC_MSG_RESULT(yes)
1616                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1617         ], [
1618                 # We'll just have to try and use struct ip_mreq
1619                 AC_MSG_RESULT(no)
1620                 AC_MSG_CHECKING(for struct ip_mreq)
1621                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1622                         struct ip_mreq mreq;
1623                         mreq.imr_interface.s_addr = 0;
1624                 ], [
1625                         # Yes, we have it...
1626                         AC_MSG_RESULT(yes)
1627                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1628                 ], [
1629                         # No multicast support
1630                         AC_MSG_RESULT(no)
1631                 ])
1632         ])
1633         AC_CHECK_FUNCS(GetProcessId)
1636 dnl socklen_t check
1637 AC_MSG_CHECKING(for socklen_t)
1638 AC_TRY_COMPILE([
1639 #include <sys/types.h>
1640 #include <sys/socket.h>
1642   socklen_t foo;
1644 ac_cv_c_socklen_t=yes
1645         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
1646         AC_MSG_RESULT(yes)
1648         AC_MSG_RESULT(no)
1651 AC_MSG_CHECKING(for array element initalizer support)
1652 AC_TRY_COMPILE([#include <sys/socket.h>], [
1653         const int array[] = {[1] = 2,};
1654 ], [
1655         # Yes, we have it...
1656         AC_MSG_RESULT(yes)
1657         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1658 ], [
1659         # We'll have to use signals
1660         AC_MSG_RESULT(no)
1663 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1664         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1665         AC_TRY_LINK([#include <math.h>], 
1666         [ static void *p = &trunc; ],
1667         [
1668                 AC_DEFINE(HAVE_TRUNC) 
1669                 AC_MSG_RESULT(yes)
1670                 ac_cv_trunc=yes
1671         ],
1672         AC_MSG_RESULT(no)))
1674 if test "x$ac_cv_truncl" != "xyes"; then
1675    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
1678 AC_CHECK_FUNCS(round)
1679 AC_CHECK_FUNCS(rint)
1681 dnl ****************************
1682 dnl *** Look for /dev/random ***
1683 dnl ****************************
1685 AC_MSG_CHECKING([if usage of random device is requested])
1686 AC_ARG_ENABLE(dev-random,
1687 [  --disable-dev-random    disable the use of the random device (enabled by default)],
1688 try_dev_random=$enableval, try_dev_random=yes)
1690 AC_MSG_RESULT($try_dev_random)
1692 case "{$target}" in
1693     *-openbsd*)
1694     NAME_DEV_RANDOM="/dev/srandom"
1695     ;;
1697 dnl Win32 does not have /dev/random, they have their own method...
1699     *-*-mingw*|*-*-cygwin*)
1700     ac_cv_have_dev_random=no
1701     ;;
1703 dnl Everywhere else, it's /dev/random
1705     *)
1706     NAME_DEV_RANDOM="/dev/random"
1707     ;;
1708 esac
1710 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
1712 dnl Now check if the device actually exists
1714 if test "x$try_dev_random" = "xyes"; then
1715     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1716     [if test -r "$NAME_DEV_RANDOM" ; then
1717         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1718     if test "x$ac_cv_have_dev_random" = "xyes"; then
1719         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
1720     fi
1721 else
1722     AC_MSG_CHECKING(for random device)
1723     ac_cv_have_dev_random=no
1724     AC_MSG_RESULT(has been disabled)
1727 if test "x$platform_win32" = "xyes"; then
1728     AC_DEFINE(HAVE_CRYPT_RNG)
1731 if test "x$ac_cv_have_dev_random" = "xno" \
1732     && test "x$platform_win32" = "xno"; then
1733     AC_MSG_WARN([[
1735 *** A system-provided entropy source was not found on this system.
1736 *** Because of this, the System.Security.Cryptography random number generator
1737 *** will throw a NotImplemented exception.
1739 *** If you are seeing this message, and you know your system DOES have an
1740 *** entropy collection in place, please contact <crichton@gimp.org> and
1741 *** provide information about the system and how to access the random device.
1743 *** Otherwise you can install either egd or prngd and set the environment
1744 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1745 ***]])
1748 AC_MSG_CHECKING([if inter-process shared handles are requested])
1749 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1750 AC_MSG_RESULT($try_shared_handles)
1751 if test "x$try_shared_handles" != "xyes"; then
1752         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
1753         AC_SUBST(DISABLE_SHARED_HANDLES)
1756 if test x$gc = xsgen; then
1757    if test x$with_tls != x__thread; then
1758           AC_MSG_ERROR([The SGEN garbage collector depends on a working __thread implementation, and either --with-thread=pthread was passed to configure, or the configure test for __thread failed.])
1759    fi
1762 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
1763 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1765 AC_MSG_CHECKING([if big-arrays are to be enabled])
1766 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
1767 if test "x$enable_big_arrays" = "xyes" ; then
1768     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
1769         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
1770     else
1771         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
1772     fi
1774 AC_MSG_RESULT($enable_big_arrays)
1776 dnl **************
1777 dnl *** DTRACE ***
1778 dnl **************
1780 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
1782 if test "x$enable_dtrace" = "xyes"; then
1783    if test "x$has_dtrace" = "xno"; then
1784           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
1785    fi
1786    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
1787    if test "x$DTRACE" = "xno"; then
1788           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
1789           enable_dtrace=no
1790    elif ! $DTRACE -h $srcdir/data/mono.d > /dev/null 2>&1; then
1791           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
1792           enable_dtrace=no
1793    fi
1796 dtrace_g=no
1797 if test "x$enable_dtrace" = "xyes"; then
1798         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
1799         DTRACEFLAGS=
1800         if test "x$ac_cv_sizeof_void_p" = "x8"; then
1801                 case "$host" in
1802                         powerpc-*-darwin*)
1803                         DTRACEFLAGS="-arch ppc64"
1804                         ;;
1805                         i*86-*-darwin*)
1806                         DTRACEFLAGS="-arch x86_64"
1807                         ;;
1808                         *)
1809                         DTRACEFLAGS=-64
1810                         ;;
1811                 esac
1812         else
1813                 case "$host" in
1814                         powerpc-*-darwin*)
1815                         DTRACEFLAGS="-arch ppc"
1816                         ;;
1817                         i*86-*-darwin*)
1818                         DTRACEFLAGS="-arch i386"
1819                         ;;
1820                         *)
1821                         DTRACEFLAGS=-32
1822                         ;;
1823                 esac
1824         fi
1825         AC_SUBST(DTRACEFLAGS)
1826         case "$host" in
1827                 *-*-solaris*)
1828                 dtrace_g=yes
1829                 ;;
1830         esac
1831         AC_CHECK_HEADERS([sys/sdt.h])
1833 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
1834 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
1836 dnl **************
1837 dnl ***  LLVM  ***
1838 dnl **************
1840 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the experimental LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
1842 if test "x$enable_llvm" = "xyes"; then
1843    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
1844    if test "x$LLVM_CONFIG" = "xno"; then
1845           AC_MSG_ERROR([llvm-config not found.])
1846    fi
1848    LLVM_CXXFLAGS=`$LLVM_CONFIG --cflags`
1849    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
1850    LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit x86codegen`
1851    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
1853    AC_SUBST(LLVM_CXXFLAGS)
1854    AC_SUBST(LLVM_LIBS)
1855    AC_SUBST(LLVM_LDFLAGS)
1856    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
1859 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
1861 TARGET="unknown"
1862 ACCESS_UNALIGNED="yes"
1864 JIT_SUPPORTED=no
1865 INTERP_SUPPORTED=no
1866 LIBC="libc.so.6"
1867 INTL="libc.so.6"
1868 SQLITE="libsqlite.so.0"
1869 SQLITE3="libsqlite3.so.0"
1870 X11="libX11.so"
1872 sizeof_register="SIZEOF_VOID_P"
1874 jit_wanted=false
1875 interp_wanted=false
1876 case "$host" in
1877 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1878 #               TARGET=MIPS;
1879 #               ACCESS_UNALIGNED="no"
1880 #               ;;
1881         mips*)
1882                 TARGET=MIPS;
1883                 arch_target=mips;
1884                 ACCESS_UNALIGNED="no"
1885                 JIT_SUPPORTED=yes
1886                 jit_wanted=true
1888                 AC_MSG_CHECKING(for mips n32)
1889                 AC_TRY_COMPILE([], [
1890                 void main () {
1891                 #if _MIPS_SIM != _ABIN32
1892                 #error Not mips n32
1893                 #endif
1894                 }
1895                 ],[
1896                 AC_MSG_RESULT(yes)
1897                 sizeof_register=8
1898                 ],[
1899                 AC_MSG_RESULT(no)
1900                 ])
1901                 ;;
1902         i*86-*-*)
1903                 TARGET=X86;
1904                 arch_target=x86;
1905                 JIT_SUPPORTED=yes
1906                 jit_wanted=true
1907                 case $host_os in
1908                   solaris*)
1909                         LIBC="libc.so"
1910                         INTL="libintl.so"
1911                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
1912                                 TARGET=AMD64
1913                                 arch_target=amd64
1914                         fi
1916                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
1917                         # int astruct __attribute__ ((visibility ("hidden")));
1918                         # void foo ()
1919                         # {
1920                         #       void *p = &astruct;
1921                         # }
1922                         # gcc -fPIC --shared -o libfoo.so foo.c
1923                         # yields:
1924                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
1925                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
1926                         have_visibility_hidden=no
1928                 esac
1929                 ;;
1930         x86_64-*-* | amd64-*-*)
1931                 TARGET=AMD64;
1932                 arch_target=amd64;
1933                 JIT_SUPPORTED=yes
1934                 jit_wanted=true
1935                 ;;
1936         ia64-*-*)
1937                 TARGET=IA64
1938                 arch_target=ia64
1939                 ACCESS_UNALIGNED="no"
1940                 JIT_SUPPORTED=yes
1941                 jit_wanted=true
1942                 LIBC="libc.so.6.1"
1943                 INTL="libc.so.6.1"
1944                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
1945                 libmono_ldflags="-lunwind"
1946                 ;;
1947         sparc*-*-*)
1948                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
1949                    TARGET=SPARC64
1950                 else
1951                         TARGET=SPARC
1952                 fi
1953                 arch_target=sparc;
1954                 JIT_SUPPORTED=yes
1955                 ACCESS_UNALIGNED="no"
1956                 case $host_os in
1957                   linux*) ;;
1958                   *)
1959                         LIBC="libc.so"
1960                         INTL="libintl.so"
1961                 esac
1962                 jit_wanted=true
1963                 if test x"$GCC" = xyes; then
1964                         # We don't support v8 cpus
1965                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
1966                 fi
1967                 if test x"$AR" = xfalse; then
1968                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
1969                 fi
1970                 ;;
1971        alpha*-*-linux* | alpha*-*-osf*)
1972                 TARGET=ALPHA;
1973                 ACCESS_UNALIGNED="no"
1974                 JIT_SUPPORTED=yes
1975                 jit_wanted=true
1976                 arch_target=alpha;
1977                 CFLAGS="$CFLAGS -mieee -O0"
1978                 case $host_os in
1979                   linux*)
1980                         LIBC="libc.so.6.1"
1981                         INTL="libc.so.6.1"
1982                 esac
1983                ;;
1984         *-*-mingw*|*-*-cygwin*)
1985                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
1986                 have_visibility_hidden=no
1987                 INTL="intl"
1988                 ;;
1989         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1990                 TARGET=HPPA;
1991                 arch_target=hppa; 
1992                 LIBC="libc.sl"
1993                 ACCESS_UNALIGNED="no"
1994                 INTERP_SUPPORTED=yes
1995                 interp_wanted=true
1996                 ;;
1997         hppa*linux*)
1998                 TARGET=HPPA;
1999                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
2000                 arch_target=hppa; 
2001                 ACCESS_UNALIGNED="no"
2002                 JIT_SUPPORTED=yes
2003                 jit_wanted=true
2004                 ;;
2005         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2006         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* )
2007                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2008                         TARGET=POWERPC64;
2009                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2010                         CFLAGS="$CFLAGS -mminimal-toc"
2011                 else
2012                         TARGET=POWERPC;
2013                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2014                 fi
2015                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
2016                 arch_target=ppc;
2017                 JIT_SUPPORTED=yes
2018                 jit_wanted=true
2019                 ;;
2020         arm*-darwin*)
2021                 TARGET=ARM;
2022                 arch_target=arm;
2023                 ACCESS_UNALIGNED="no"
2024                 JIT_SUPPORTED=yes
2025                 CPPFLAGS="$CPPFLAGS -DARM_FPU_NONE=1"
2026                 jit_wanted=true
2027                 ;;
2028         arm*-linux*)
2029                 TARGET=ARM;
2030                 arch_target=arm;
2031                 ACCESS_UNALIGNED="no"
2032                 JIT_SUPPORTED=yes
2033                 jit_wanted=true
2034                 ;;
2035         s390-*-linux*)
2036                 TARGET=S390;
2037                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
2038                 arch_target=s390;
2039                 ACCESS_UNALIGNED="no"
2040                 JIT_SUPPORTED=yes
2041                 jit_wanted=true
2042                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
2043                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2044                 ;;
2045         s390x-*-linux*)
2046                 TARGET=S390x;
2047                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
2048                 arch_target=s390x;
2049                 ACCESS_UNALIGNED="no"
2050                 JIT_SUPPORTED=yes
2051                 jit_wanted=true
2052                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2053                 ;;
2054 esac
2056 # FIXME: Define the others as well
2057 case "$TARGET" in
2058 X86)
2059         AC_DEFINE(TARGET_X86, 1, [...])
2060         ;;
2061 AMD64)
2062         AC_DEFINE(TARGET_AMD64, 1, [...])
2063         ;;
2064 ARM)
2065         AC_DEFINE(TARGET_ARM, 1, [...])
2066         ;;
2067 POWERPC)
2068         AC_DEFINE(TARGET_POWERPC, 1, [...])
2069         ;;
2070 POWERPC64)
2071         AC_DEFINE(TARGET_POWERPC, 1, [...])
2072         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2073         ;;
2074 esac
2076 if test "x$sizeof_register" = "x4"; then
2077    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2078 elif test "x$sizeof_register" = "x8"; then
2079    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2080 else
2081    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2084 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2085    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2086 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2087    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2088 else
2089    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2092 if test "x$have_visibility_hidden" = "xyes"; then
2093    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2096 AC_ARG_WITH(jit, [  --with-jit=yes,no              If you want to build scripts that default to the JIT (defaults to no)],[
2097         if test x$withval = xyes; then
2098            jit_wanted=true
2099         else
2100            jit_wanted=false
2101         fi
2104 AC_ARG_WITH(interp, [  --with-interp=yes,no           If you want to build scripts that default to the interpreter (defaults to no)],[
2105         if test x$withval = xyes; then
2106            interp_wanted=true
2107         else
2108            interp_wanted=false
2109         fi
2112 USEJIT=false
2113 if test x$JIT_SUPPORTED = xyes; then
2114    if $jit_wanted; then
2115       USEJIT=true
2116       jit_status="Building and using the JIT"
2117    else
2118       if $interp_wanted; then
2119          jit_status="Building the JIT, defaulting to the interpreter"
2120       else
2121          AC_ERROR(No JIT or interpreter support available or selected.)
2122       fi
2123    fi
2124 else
2125    if test x$interp_wanted = xtrue; then
2126       jit_status="interpreter"
2127    else
2128       AC_ERROR(No JIT or interpreter support available or selected.)
2129    fi
2132 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2134 libsuffix=".so"
2136 case "$host" in
2137      *-*-darwin*)
2138         libsuffix=".dylib"
2139         LIBC="libc.dylib"
2140         INTL="libintl.dylib"
2141         SQLITE="libsqlite.0.dylib"
2142         SQLITE3="libsqlite3.0.dylib"
2143         X11="libX11.dylib"
2144         ;;
2145      *-*-*netbsd*)
2146         LIBC="libc.so.12"
2147         INTL="libintl.so.0"
2148         ;;
2149     *-*-*freebsd*)
2150         LIBC="libc.so"
2151         INTL="libintl.so"
2152         ;;
2153     *-*-*openbsd*)
2154         LIBC="libc.so"
2155         INTL="libintl.so"
2156         ;;
2157     *-*-*linux*)
2158         AC_PATH_X
2159         AC_MSG_CHECKING(for the soname of libX11.so)
2160         for i in $x_libraries /usr/lib /usr/lib64; do
2161                 for r in 4 5 6; do
2162                         if test -f $i/libX11.so.$r; then
2163                                 X11=libX11.so.$r
2164                                 AC_MSG_RESULT($X11)
2165                         fi
2166                 done
2167         done
2168         
2169         if test "x$X11" = "xlibX11.so"; then
2170                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? WinForms may not work...]);
2171         fi
2172         ;;
2173 esac
2176 AC_SUBST(libsuffix)
2178 AC_CHECK_HEADERS(valgrind/memcheck.h)
2180 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2181         if test "x$with_tls" = "x__thread"; then
2182                 #
2183                 # On some linux distributions, TLS works in executables, but linking 
2184                 # against a shared library containing TLS fails with:
2185                 # undefined reference to `__tls_get_addr'
2186                 #
2187                 rm -f conftest.c conftest.so conftest
2188                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
2189                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2190                 $CC -o conftest conftest.so > /dev/null 2>&1
2191                 if test ! -f conftest; then
2192                    AC_MSG_WARN([Disabling usage of __thread.]);
2193                    with_tls=pthread
2194                 fi
2195                 rm -f conftest.c conftest.so conftest
2196         fi
2199 mono_debugger_supported=no
2200 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA"; then
2201         if test x$use_included_gc = xyes; then
2202                 case "$host" in
2203                 *-*-*linux*)
2204                         mono_debugger_supported=yes
2205                         ;;
2206                 *86-apple-darwin*)
2207                         mono_debugger_supported=yes
2208                         ;;              
2209                 esac
2210         fi
2213 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2214 if test "x$mono_debugger_supported" = "xyes"; then
2215         AC_DEFINE(MONO_DEBUGGER_SUPPORTED,1,[The Mono Debugger is supported on this platform])
2217 AC_MSG_RESULT($mono_debugger_supported)
2218 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2220 if test "x$with_tls" = "x__thread"; then
2221         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2222         # Pass the information to libgc
2223         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2224         AC_MSG_CHECKING(if the tls_model attribute is supported)
2225         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2226                 ], [
2227                         AC_MSG_RESULT(yes)
2228                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
2229                 ], [
2230                         AC_MSG_RESULT(no)
2231         ])
2234 if test ${TARGET} = ARM && test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2235         dnl ******************************************
2236         dnl *** Check to see what FPU is available ***
2237         dnl ******************************************
2238         AC_MSG_CHECKING(which FPU to use)
2240         AC_TRY_COMPILE([], [
2241                 __asm__ ("ldfd f0, [r0]");
2242                 ], fpu=FPA, fpu=NONE)
2244         AC_MSG_RESULT($fpu)
2245         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
2246         unset fpu
2249 if test ${TARGET} = unknown; then
2250         CPPFLAGS="$CPPFLAGS -DNO_PORT"
2251         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
2254 if test ${ACCESS_UNALIGNED} = no; then
2255         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
2258 case "x$gc" in
2259         xincluded)
2260                 # Pass CPPFLAGS to libgc configure
2261                 # We should use a separate variable for this to avoid passing useless and
2262                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
2263                 # This should be executed late so we pick up the final version of CPPFLAGS
2264                 # The problem with this approach, is that during a reconfigure, the main
2265                 # configure scripts gets invoked with these arguments, so we use separate
2266                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
2267                 LIBGC_CPPFLAGS=$CPPFLAGS
2268                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
2269                         LIBGC_CPPFLAGS=`echo $LIBGC_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
2270                 fi
2271                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$LIBGC_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
2272                 AC_CONFIG_SUBDIRS(libgc)
2273                 ;;
2274 esac
2276 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0 FX (defaults to yes)],                 [], [with_profile2=yes])
2277 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to no)],                  [], [with_profile4=no])
2278 AC_ARG_WITH(moonlight, [  --with-moonlight=yes,no         If you want to build the Moonlight 2.1 assemblies (defaults to yes)], [], [with_moonlight=yes])
2279 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no         If you want to build the raw MonoTouch 2.1 assemblies (defaults to no)], [], [with_monotouch=no])
2281 OPROFILE=no
2282 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
2283         if test x$with_oprofile != xno; then
2284             oprofile_include=$with_oprofile/include
2285             if test ! -f $oprofile_include/opagent.h; then
2286                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
2287                 fi
2288             OPROFILE=yes
2289                 OPROFILE_CFLAGS="-I$oprofile_include"
2290             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
2291             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
2292         fi
2295 MALLOC_MEMPOOLS=no
2296 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
2297         if test x$with_malloc_mempools = xyes; then
2298                 MALLOC_MEMPOOLS=yes
2299                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
2300         fi
2304 DISABLE_MCS_DOCS=no
2305 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
2306         if test x$with_mcs_docs != xyes; then
2307                 DISABLE_MCS_DOCS=yes
2308         fi
2312 dnl Consistency settings
2314 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
2315    DISABLE_MCS_DOCS=yes
2316    docs_dir=""
2317 else
2318    docs_dir=docs
2320 AC_SUBST(docs_dir)
2322 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
2323 AC_SUBST(OPROFILE_CFLAGS)
2324 AC_SUBST(OPROFILE_LIBS)
2326 libmono_ldflags="$libmono_ldflags $LIBS"
2328 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
2329 AM_CONDITIONAL(INSTALL_2_1, [test "x$with_moonlight" = xyes])
2330 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
2331 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" = xyes])
2333 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
2334 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
2335 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
2336 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
2337 AM_CONDITIONAL(X86, test x$TARGET = xX86)
2338 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
2339 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
2340 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
2341 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
2342 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
2343 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
2344 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
2345 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
2346 AM_CONDITIONAL(S390, test x$TARGET = xS390)
2347 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
2348 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
2350 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
2351 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
2352 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
2354 AC_SUBST(LIBC)
2355 AC_SUBST(INTL)
2356 AC_SUBST(SQLITE)
2357 AC_SUBST(SQLITE3)
2358 AC_SUBST(X11)
2359 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
2360 AC_SUBST(arch_target)
2361 AC_SUBST(CFLAGS)
2362 AC_SUBST(CPPFLAGS)
2363 AC_SUBST(LDFLAGS)
2365 mono_build_root=`pwd`
2366 AC_SUBST(mono_build_root)
2368 if test x$USEJIT = xtrue; then
2369   mono_runtime=mono/mini/mono
2370 else
2371   mono_runtime=mono/interpreter/mint
2373 AC_SUBST(mono_runtime)
2375 mono_cfg_root=$mono_build_root/runtime
2376 if test x$platform_win32 = xyes; then
2377   if test "x$cross_compiling" = "xno"; then
2378     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
2379   else
2380     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\\'`\\etc
2381   fi
2382 else
2383   mono_cfg_dir=$mono_cfg_root/etc
2385 AC_SUBST(mono_cfg_dir)
2387 AC_CONFIG_FILES([po/mcs/Makefile.in])
2389 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
2390 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
2392 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
2393 [   depth=../../../..
2394     case $srcdir in
2395     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2396     .) reldir=$depth ;;
2397     *) reldir=$depth/$srcdir ;;
2398     esac
2399     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
2400     cd runtime/etc/mono/1.0
2401     rm -f machine.config
2402     $LN_S $reldir/data/net_1_1/machine.config machine.config
2403     cd $depth
2404 ],[LN_S='$LN_S'])
2406 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
2407 [   depth=../../../..
2408     case $srcdir in
2409     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2410     .) reldir=$depth ;;
2411     *) reldir=$depth/$srcdir ;;
2412     esac
2413     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
2414     cd runtime/etc/mono/2.0
2415     rm -f machine.config
2416     $LN_S $reldir/data/net_2_0/machine.config machine.config
2417     cd $depth
2418 ],[LN_S='$LN_S'])
2420 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
2421 [   depth=../../../..
2422     case $srcdir in
2423     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2424     .) reldir=$depth ;;
2425     *) reldir=$depth/$srcdir ;;
2426     esac
2427     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
2428     cd runtime/etc/mono/2.0
2429     rm -f web.config
2430     $LN_S $reldir/data/net_2_0/web.config web.config
2431     cd $depth
2432 ],[LN_S='$LN_S'])
2434 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
2435 [   depth=../../..
2436     case $srcdir in
2437     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2438     .) reldir=$depth ;;
2439     *) reldir=$depth/$srcdir ;;
2440     esac
2441     $ac_aux_dir/install-sh -d runtime/etc/mono/
2442     cd runtime/etc/mono/
2443     rm -f browscap.ini
2444     $LN_S $reldir/data/browscap.ini browscap.ini
2445     cd $depth
2446 ],[LN_S='$LN_S'])
2448 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
2449 [   depth=../../../../..
2450     case $srcdir in
2451     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2452     .) reldir=$depth ;;
2453     *) reldir=$depth/$srcdir ;;
2454     esac
2455     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
2456     cd runtime/etc/mono/2.0/Browsers
2457     rm -f Compat.browser
2458     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
2459     cd $depth
2460 ],[LN_S='$LN_S'])
2462 if test x$enable_quiet_build = xyes; then
2463    AC_CONFIG_COMMANDS([quiet], [for i in `find mono libgc support -name Makefile.in | sed -e 's/Makefile.in/Makefile/g'`; do if test -f $i; then $srcdir/scripts/patch-quiet.sh $i; fi; done], [shell=$SHELL])
2464    AC_CONFIG_COMMANDS([quiet-libtool], [sed -e 's/$echo "copying selected/$show "copying selected/g' < libtool > libtool.tmp && mv libtool.tmp libtool && chmod a+x libtool; sed -e 's/$ECHO "copying selected/# "copying selected/g' < libtool > libtool.tmp && mv libtool.tmp libtool && chmod a+x libtool])
2467 AC_OUTPUT([
2468 Makefile
2469 mono-uninstalled.pc
2470 scripts/mono-find-provides
2471 scripts/mono-find-requires
2472 mono/Makefile
2473 mono/utils/Makefile
2474 mono/metadata/Makefile
2475 mono/dis/Makefile
2476 mono/cil/Makefile
2477 mono/arch/Makefile
2478 mono/arch/x86/Makefile
2479 mono/arch/amd64/Makefile
2480 mono/arch/hppa/Makefile
2481 mono/arch/ppc/Makefile
2482 mono/arch/sparc/Makefile
2483 mono/arch/s390/Makefile
2484 mono/arch/s390x/Makefile
2485 mono/arch/arm/Makefile
2486 mono/arch/alpha/Makefile
2487 mono/arch/ia64/Makefile
2488 mono/arch/mips/Makefile
2489 mono/interpreter/Makefile
2490 mono/tests/Makefile
2491 mono/tests/tests-config
2492 mono/tests/assemblyresolve/Makefile
2493 mono/tests/cas/Makefile
2494 mono/tests/cas/assembly/Makefile
2495 mono/tests/cas/demand/Makefile
2496 mono/tests/cas/inheritance/Makefile
2497 mono/tests/cas/linkdemand/Makefile
2498 mono/tests/cas/threads/Makefile
2499 mono/benchmark/Makefile
2500 mono/monograph/Makefile
2501 mono/io-layer/Makefile
2502 mono/mini/Makefile
2503 mono/profiler/Makefile
2504 ikvm-native/Makefile
2505 scripts/Makefile
2506 man/Makefile
2507 web/Makefile
2508 docs/Makefile
2509 data/Makefile
2510 data/net_1_1/Makefile
2511 data/net_2_0/Makefile
2512 data/net_2_0/Browsers/Makefile
2513 data/mint.pc
2514 data/mono.pc
2515 data/mono-cairo.pc
2516 data/mono-nunit.pc
2517 data/mono-options.pc
2518 data/mono-lineeditor.pc
2519 data/monodoc.pc
2520 data/mono.web.pc
2521 data/dotnet.pc
2522 data/dotnet35.pc
2523 data/wcf.pc
2524 data/cecil.pc
2525 data/system.web.extensions_1.0.pc
2526 data/system.web.extensions.design_1.0.pc
2527 data/system.web.mvc.pc
2528 samples/Makefile
2529 support/Makefile
2530 data/config
2531 tools/Makefile
2532 tools/locale-builder/Makefile
2533 runtime/Makefile
2534 msvc/Makefile
2535 po/Makefile
2538 if test x$platform_win32 = xyes; then
2539    # Get rid of 'cyg' prefixes in library names
2540    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2541    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
2542    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
2543    # executable doesn't work...
2544    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2548   case $prefix in
2549   NONE) prefix=$ac_default_prefix ;;
2550   esac
2551   case $exec_prefix in
2552   NONE) exec_prefix='${prefix}' ;;
2553   esac
2555   test -w $srcdir/$mcsdir/build || chmod +w $srcdir/$mcsdir/build
2557   #
2558   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
2559   # any existing config.make.  This allows people to share the same source tree
2560   # with different build directories, one native and one cross
2561   #
2562   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2563     echo "prefix=$prefix" > $srcdir/$mcsdir/build/config.make
2564     echo "exec_prefix=$exec_prefix" >> $srcdir/$mcsdir/build/config.make
2565     echo "sysconfdir=$sysconfdir" >> $srcdir/$mcsdir/build/config.make
2566     echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$mcsdir/build/config.make
2567     echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$mcsdir/build/config.make
2568     echo 'IL_FLAGS = /debug' >> $srcdir/$mcsdir/build/config.make
2569     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$mcsdir/build/config.make
2570     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $srcdir/$mcsdir/build/config.make
2571     case $INSTALL in
2572     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
2573     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
2574     esac
2576     echo "INSTALL = $mcs_INSTALL" >> $srcdir/$mcsdir/build/config.make
2578     export VERSION
2579     [myver=$($AWK 'BEGIN {
2580       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
2581       if(length(vsplit [1]) > 4) {
2582         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
2583       }
2584       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
2585     }')]
2587     echo "MONO_VERSION = $myver" >> $srcdir/$mcsdir/build/config.make
2588   fi
2590   if test x$platform_darwin = xyes; then
2591         echo "PLATFORM = darwin" >> $srcdir/$mcsdir/build/config.make
2592   fi
2594   if test x$TARGET = xAMD64 -a x$platform_win32 = xno -a "x$AOT_SUPPORTED" = "xyes"; then
2595          echo "ENABLE_AOT = 1" >> $srcdir/$mcsdir/build/config.make
2596   fi
2598   # if we have an olive folder, override the default settings
2599   if test -d $olivedir; then
2601     test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
2603     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
2604       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
2605       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
2606       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
2607       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
2608       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
2609       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
2610       if test x$with_moonlight = xyes; then
2611         echo "WITH_MOONLIGHT = yes" >> $srcdir/$olivedir/build/config.make
2612       fi
2613     fi
2614   fi
2616   if test x$DISABLE_MCS_DOCS = xyes; then
2617         echo "DISABLE_MCS_DOCS = yes" >> $srcdir/$mcsdir/build/config.make
2618   fi
2621 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
2623 echo "
2624         mcs source:    $mcs_topdir
2625         olive source:  $olive_topdir
2627         GC:            $gc
2628         GLIB:          $with_glib
2629         TLS:           $with_tls
2630         SIGALTSTACK:   $with_sigaltstack
2631         Engine:        $jit_status
2632         2.0 Profile:   $with_profile2
2633         Moon Profile:  $with_moonlight
2634         4.0 Alpha:     $with_profile4
2635         MonoTouch:     $with_monotouch
2636         JNI support:   $jdk_headers_found
2637         libgdiplus:    $libgdiplus_msg
2638         zlib:          $zlib_msg
2639         oprofile:      $OPROFILE
2640         BigArrays:     $enable_big_arrays
2641         DTrace:        $enable_dtrace
2642         Parallel Mark: $enable_parallel_mark
2643         LLVM Back End: $enable_llvm
2644         $disabled
2647 if test x$with_static_mono = xno -a "x$platform_win32" != "xyes"; then
2648    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
2651 if test x$gc = xsgen; then
2652         echo IMPORTANT:
2653         echo IMPORTANT: You have selected an experimental, work-in-progress 
2654         echo IMPORTANT: GC engine.  This GC engine is currently not supported
2655         echo IMPORTANT: and is not yet ready for use.  
2656         echo IMPORTANT:
2657         echo IMPORTANT: There are known problems with it, use at your own risk.
2660 if test x$enable_llvm = xyes; then
2661    echo IMPORTANT:
2662    echo IMPORTANT: The LLVM Back End is experimental and does not work yet.
2663    echo IMPORTANT: