2009-10-24 Zoltan Varga <vargaz@gmail.com>
[mono-project.git] / configure.in
blobdafbb9b8609ebdaba47e6e2b86adb95a115cecfb
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,2.6)
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 "$host" in
77         *-*-mingw*|*-*-cygwin*)
78                 platform_win32=yes
79                 AC_DEFINE(PLATFORM_WIN32,1,[Host Platform is Win32])
80                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
81                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
82                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
83                 if test "x$cross_compiling" = "xno"; then
84                         CC="gcc -mno-cygwin -g"
85                         # So libgc configure gets -mno-cygwin
86                         export CC
87                 fi
88                 HOST_CC="gcc"
89                 # Windows 2000 is required that includes Internet Explorer 5.01
90                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
91                 libmono_cflags="-mno-cygwin -mms-bitfields -mwindows"
92                 libmono_ldflags="-mno-cygwin -mms-bitfields -mwindows"
93                 libdl=
94                 libgc_threads=win32
95                 gc_default=included
96                 with_sigaltstack=no
97                 LN_S=cp
98                 # This forces libgc to use the DllMain based thread registration code on win32
99                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
100                 ;;
101         *-*-*netbsd*)
102                 platform_win32=no
103                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
104                 libmono_cflags="-D_REENTRANT"
105                 LDFLAGS="$LDFLAGS -pthread"
106                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
107                 libmono_ldflags="-pthread"
108                 need_link_unlink=yes
109                 libdl="-ldl"
110                 libgc_threads=pthreads
111                 with_sigaltstack=no
112                 use_sigposix=yes
113                 ;;
114         *-*-*freebsd*)
115                 platform_win32=no
116                 if test "x$PTHREAD_CFLAGS" = "x"; then
117                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
118                         libmono_cflags=
119                 else
120                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
121                         libmono_cflags="$PTHREAD_CFLAGS"
122                 fi
123                 if test "x$PTHREAD_LIBS" = "x"; then
124                         LDFLAGS="$LDFLAGS -pthread"
125                         libmono_ldflags="-pthread"
126                 else
127                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
128                         libmono_ldflags="$PTHREAD_LIBS"
129                 fi
130                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
131                 need_link_unlink=yes
132                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
133                 libdl=
134                 libgc_threads=pthreads
135                 # This doesn't seem to work as of 7.0 on amd64
136                 with_sigaltstack=no
137 # TLS is only partially implemented on -CURRENT (compiler support
138 # but NOT library support)
140                 with_tls=pthread
141                 use_sigposix=yes
142                 ;;
143         *-*-*openbsd*)
144                 platform_win32=no
145                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS -DPLATFORM_BSD"
146                 libmono_cflags="-D_THREAD_SAFE"
147                 LDFLAGS="$LDFLAGS -pthread"
148                 libmono_ldflags="-pthread"
149                 need_link_unlink=yes
150                 AC_DEFINE(PTHREAD_POINTER_ID)
151                 libdl=
152                 libgc_threads=pthreads
153                 use_sigposix=yes
154                 ;;
155         *-*-linux*)
156                 platform_win32=no
157                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
158                 if test "x$disable_munmap" != "xyes"; then
159                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
160                 fi
161                 libmono_cflags="-D_REENTRANT"
162                 libmono_ldflags="-lpthread"
163                 libdl="-ldl"
164                 libgc_threads=pthreads
165                 AOT_SUPPORTED="yes"
166                 use_sigposix=yes
167                 ;;
168         *-*-hpux*)
169                 platform_win32=no
170                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
171                 # +ESdbgasm only valid on bundled cc on RISC
172                 # silently ignored for ia64
173                 if test $GCC != "yes"; then
174                         CFLAGS="$CFLAGS +ESdbgasm"
175                         # Arrange for run-time dereferencing of null
176                         # pointers to produce a SIGSEGV signal.
177                         LDFLAGS="$LDFLAGS -z"
178                 fi
179                 CFLAGS="$CFLAGS +ESdbgasm"
180                 LDFLAGS="$LDFLAGS -z"
181                 libmono_cflags="-D_REENTRANT"
182                 libmono_ldflags="-lpthread"
183                 libgc_threads=pthreads
184                 need_link_unlink=yes
185                 use_sigposix=yes
186                 ;;
187         *-*-solaris*)
188                 platform_win32=no
189                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
190                 need_link_unlink=yes
191                 libmono_cflags="-D_REENTRANT"
192                 libgc_threads=pthreads
193                 # This doesn't seem to work on solaris/x86, but the configure test runs
194                 with_tls=pthread
195                 has_dtrace=yes
196                 use_sigposix=yes
197                 ;;
198         *-*-darwin*)
199                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
200                 platform_win32=no
201                 platform_darwin=yes
202                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
203                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
204                 libmono_cflags="-D_THREAD_SAFE"
205                 LDFLAGS="$LDFLAGS -pthread"
206                 libmono_ldflags="-pthread"
207                 need_link_unlink=yes
208                 AC_DEFINE(PTHREAD_POINTER_ID)
209                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
210                 no_version_script=yes
211                 libdl=
212                 libgc_threads=pthreads
213                 has_dtrace=yes
214                 if test "x$cross_compiling" = "xyes"; then
215                         has_broken_apple_cpp=yes
216                 fi
217                 ;;
218         *)
219                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
220                 platform_win32=no
221                 libdl="-ldl"
222                 ;;
223 esac
224 AC_MSG_RESULT(ok)
226 if test x$need_link_unlink = xyes; then
227    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
230 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
231 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
232 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
233 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
235 AC_CHECK_TOOL(CC, gcc, gcc)
236 AC_PROG_CC
237 # Disabled for now to fix the windows build
238 #AC_PROG_CXX
239 AM_PROG_AS
240 AM_PROG_CC_STDC
241 AC_PROG_INSTALL
242 AC_PROG_AWK
243 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
244 : ${CCAS='$(CC)'}
245 # Set ASFLAGS if not already set.
246 : ${CCASFLAGS='$(CFLAGS)'}
247 AC_SUBST(CCAS)
248 AC_SUBST(CCASFLAGS)
250 AC_CHECK_PROG(BISON, bison,yes,no)
251 if test "x$BISON" = "xno";
252 then
253         AC_MSG_ERROR([You need to install bison])
256 dnl may require a specific autoconf version
257 dnl AC_PROG_CC_FOR_BUILD
258 dnl CC_FOR_BUILD not automatically detected
259 CC_FOR_BUILD=$CC
260 CFLAGS_FOR_BUILD=$CFLAGS
261 BUILD_EXEEXT=
262 if test "x$cross_compiling" = "xyes"; then
263         CC_FOR_BUILD=cc
264         CFLAGS_FOR_BUILD=
265         BUILD_EXEEXT=""
267 AC_SUBST(CC_FOR_BUILD)
268 AC_SUBST(CFLAGS_FOR_BUILD)
269 AC_SUBST(HOST_CC)
270 AC_SUBST(BUILD_EXEEXT)
272 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
273 AM_CONDITIONAL(USE_BATCH_FILES, [test x$platform_win32 = xyes -a x$cross_compiling = xyes])
275 # Set STDC_HEADERS
276 AC_HEADER_STDC
277 AC_LIBTOOL_WIN32_DLL
278 # This causes monodis to not link correctly
279 #AC_DISABLE_FAST_INSTALL
280 AM_PROG_LIBTOOL
281 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
282 DOLT
284 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
285 AC_SUBST(export_ldflags)
287 # Test whenever ld supports -version-script
288 AC_PROG_LD
289 AC_PROG_LD_GNU
290 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
291    no_version_script=yes
294 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
296 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)
297 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)
300 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
301 if test x$have_zlib = xyes; then
302    AC_TRY_COMPILE([#include <zlib.h>], [
303    void main () {
304    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
305    }
306    #else
307    #error No good zlib found
308    #endif
309    ],[
310         AC_MSG_RESULT(Using system zlib)
311         zlib_msg="system zlib"
312    ],[
313         AC_MSG_RESULT(Using embedded zlib)
314         have_zlib=no
315         zlib_msg="bundled zlib"
316    ])
319 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
320 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
322 # for mono/metadata/debug-symfile.c
323 AC_CHECK_HEADERS(elf.h)
325 # for support
326 AC_CHECK_HEADERS(poll.h)
327 AC_CHECK_HEADERS(sys/poll.h)
328 AC_CHECK_HEADERS(sys/wait.h)
329 AC_CHECK_HEADERS(grp.h)
330 AC_CHECK_HEADERS(syslog.h)
332 # for mono/dis
333 AC_CHECK_HEADERS(wchar.h)
334 AC_CHECK_HEADERS(ieeefp.h)
335 AC_MSG_CHECKING(for isinf)
336 AC_TRY_LINK([#include <math.h>], [
337         int f = isinf (1);
338 ], [
339         AC_MSG_RESULT(yes)
340         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
341 ], [
342         # We'll have to use signals
343         AC_MSG_RESULT(no)
347 # not 64 bit clean in cross-compile
348 AC_CHECK_SIZEOF(void *, 4)
350 WARN=''
351 if test x"$GCC" = xyes; then
352         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings'
353                 # The runtime code does not respect ANSI C strict aliasing rules
354                 CFLAGS="$CFLAGS -fno-strict-aliasing"
356                 ORIG_CFLAGS=$CFLAGS
357                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
358                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
359                 AC_TRY_COMPILE([], [
360                                                    void main () { }
361                 ], [
362                    AC_MSG_RESULT(yes)
363                 ], [
364                    AC_MSG_RESULT(no)
365                    CFLAGS=$ORIG_CFLAGS
366                 ])
367 else
368         # The Sun Forte compiler complains about inline functions that access static variables
369         # so disable all inlining.
370         case "$host" in
371         *-*-solaris*)
372                 CFLAGS="$CFLAGS -Dinline="
373                 ;;
374         esac
376 CFLAGS="$CFLAGS -g $WARN"
377 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
379 # Where's the 'mcs' source tree?
380 if test -d $srcdir/mcs; then
381   mcsdir=mcs
382 else
383   mcsdir=../mcs
387 # A sanity check to catch cases where the package was unpacked
388 # with an ancient tar program (Solaris)
390 AC_ARG_ENABLE(solaris-tar-check,
391 [  --disable-solaris-tar-check    disable solaris tar check],
392    do_solaris_tar_check=no, do_solaris_tar_check=yes)
394 if test x"$do_solaris_tar_check" = xyes; then
395         AC_MSG_CHECKING(integrity of package)
396         if test -f $srcdir/$mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
397         then
398                 AC_MSG_RESULT(ok)
399         else
400                 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"
401                 AC_MSG_ERROR([$errorm])
402         fi
405 mcs_topdir='$(top_srcdir)/'$mcsdir
406 mcs_topdir_from_srcdir='$(top_builddir)/'$mcsdir
408 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
409 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
411 AC_SUBST([mcs_topdir])
412 AC_SUBST([mcs_topdir_from_srcdir])
414 # Where's the 'olive' source tree?
415 if test -d $srcdir/olive; then
416   olivedir=olive
417 else
418   olivedir=../olive
421 if test -d $srcdir/$olivedir; then
422 olive_topdir='$(top_srcdir)/'$olivedir
425 # gettext: prepare the translation directories. 
426 # we do not configure the full gettext, as we consume it dynamically from C#
427 AM_PO_SUBDIRS
429 if test "x$USE_NLS" = "xyes"; then
430    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
432    if test "x$HAVE_MSGFMT" = "xno"; then
433           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
434    fi
437 AC_ARG_WITH([libgdiplus], 
438         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)], 
439         [], [with_libgdiplus=installed])
441 case $with_libgdiplus in
442 no|installed) libgdiplus_loc= ;;
443 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
444 /*) libgdiplus_loc=$with_libgdiplus ;;
445 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
446 esac
447 AC_SUBST([libgdiplus_loc])
449 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
450 if test "x$PKG_CONFIG" = "xno"; then
451         AC_MSG_ERROR([You need to install pkg-config])
454 pkg_config_path=
455 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
456         if test x$with_crosspkgdir = "x"; then
457                 if test -s $PKG_CONFIG_PATH; then
458                         pkg_config_path=$PKG_CONFIG_PATH
459                 fi
460         else
461                 pkg_config_path=$with_crosspkgdir
462                 PKG_CONFIG_PATH=$pkg_config_path
463                 export PKG_CONFIG_PATH
464         fi
467 AC_ARG_WITH([glib],
468         [  --with-glib=embedded|system    Choose glib API: system or embedded (default to system)],
469         [], [with_glib=system])
471 eglib_dir=
473 case $with_glib in
474 embedded) 
475   GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
476   GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
477   BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
478   BUILD_GLIB_LIBS="$GLIB_LIBS"
479   GMODULE_CFLAGS="$GLIB_CFLAGS"
480   GMODULE_LIBS="$GLIB_LIBS"
481   eglib_dir=eglib
482   AC_CONFIG_SUBDIRS(eglib)
483   ;;
484 system)
485   if test "x$cross_compiling" = "xyes"; then
486     pkg_config_path="$PKG_CONFIG_PATH"
487     unset PKG_CONFIG_PATH
488   fi
489   BUILD_GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
490   BUILD_GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
491   if test "x$cross_compiling" = "xyes"; then
492     PKG_CONFIG_PATH=$pkg_config_path
493     export PKG_CONFIG_PATH
494   fi
495   
496   ## Versions of dependencies
497   GLIB_REQUIRED_VERSION=2.4.0
499   dnl
500   dnl No, you will not replace this check with a pkg.m4 check
501   dnl
502   if $PKG_CONFIG --atleast-version=$GLIB_REQUIRED_VERSION glib-2.0; then
503       GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
504       GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
505       GMODULE_CFLAGS=`$PKG_CONFIG --cflags gmodule-2.0`
506       GMODULE_LIBS=`$PKG_CONFIG --libs gmodule-2.0`
507   else
508         AC_MSG_ERROR([You need at least glib-2.0 $GLIB_REQUIRED_VERSION])
509   fi
510   ;;
512   AC_MSG_ERROR([Invalid argument to --with-glib.])
513 esac
514 AM_CONDITIONAL(EGLIB_BUILD, test x$with_glib = xembedded)
515   
516 AC_SUBST(GLIB_CFLAGS)
517 AC_SUBST(GLIB_LIBS)
518 AC_SUBST(GMODULE_CFLAGS)
519 AC_SUBST(GMODULE_LIBS)
520 AC_SUBST(BUILD_GLIB_CFLAGS)
521 AC_SUBST(BUILD_GLIB_LIBS)
522 AC_SUBST(eglib_dir)
524 if test x$cross_compiling$platform_win32 = xnoyes; then
525    AC_MSG_CHECKING(for cygwin glib2-dev package)
526    if [ cygcheck --f /usr/lib/libglib-2.0.dll.a | grep -q glib2-devel ]; then
527       AC_MSG_RESULT(found)
528           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.])
529    else
530       AC_MSG_RESULT(not found, ok)
531    fi
533    AC_MSG_CHECKING(for broken gwin32.h)
534    glib_include=`$PKG_CONFIG --cflags-only-I glib-2.0 | sed -e 's/ -I.*//g' | sed -e 's/-I//g'`
535    if test -f $glib_include/glib/gwin32.h; then
536           if [ grep ftruncate $glib_include/glib/gwin32.h | grep -q define ]; then
537                  AC_MSG_RESULT(failed)
538                  hashmark='#'
539                  AC_MSG_ERROR([Your version of gwin32.h is broken and will cause compilation errors when building mono. Please fix it by deleting the line: '$hashmark   define ftruncate...' from '$glib_include/glib/gwin32.h' then re-run configure.])
540           fi
541    fi
542    AC_MSG_RESULT(ok)
545 AC_ARG_WITH(gc, [  --with-gc=boehm,included,none  Defaults to included],[gc=$with_gc],[gc=$gc_default])
547 # Enable support for fast thread-local storage
548 # Some systems have broken support, so we allow to disable it.
549 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
551 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
552 # This does not work on some platforms (bug #55253)
553 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
555 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
557 if test "x$enable_static" = "xno"; then
558    with_static_mono=no
561 if test "x$platform_win32" = "xyes"; then
562    # Boehm GC requires the runtime to be in its own dll
563    with_static_mono=no
566 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
567 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
569 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
570 if test "x$with_xen_opt" = "xyes"; then
571         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
572         ORIG_CFLAGS=$CFLAGS
573         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
574         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
575         AC_TRY_COMPILE([], [
576                                            void main () { }
577         ], [
578            AC_MSG_RESULT(yes)
579            # Pass it to libgc as well
580            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
581         ], [
582            AC_MSG_RESULT(no)
583            CFLAGS=$ORIG_CFLAGS
584         ])
587 AC_ARG_ENABLE(quiet-build, [  --enable-quiet-build  Enable quiet runtime build (on by default)], enable_quiet_build=$enableval, enable_quiet_build=yes)
589 DISABLED_FEATURES=none
591 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
592      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
593      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd.],
595         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
596                 eval "mono_feature_disable_$feature='yes'"
597         done
598         DISABLED_FEATURES=$enable_minimal
599         disabled="Disabled:    $enable_minimal"
600 ],[])
602 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
604 if test "x$mono_feature_disable_aot" = "xyes"; then
605         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
606         AC_MSG_NOTICE([Disabled AOT compiler])
609 if test "x$mono_feature_disable_profiler" = "xyes"; then
610         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
611         AC_MSG_NOTICE([Disabled support for the profiler])
613 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
615 if test "x$mono_feature_disable_decimal" = "xyes"; then
616         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
617         AC_MSG_NOTICE([Disabled support for decimal])
620 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
621         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
622         AC_MSG_NOTICE([Disabled support for P/Invoke])
625 if test "x$mono_feature_disable_debug" = "xyes"; then
626         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
627         AC_MSG_NOTICE([Disabled support for runtime debugging])
630 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
631         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
632         mono_feature_disable_reflection_emit_save=yes
633         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
636 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
637         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
638         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
641 if test "x$mono_feature_disable_large_code" = "xyes"; then
642         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
643         AC_MSG_NOTICE([Disabled support for large assemblies])
646 if test "x$mono_feature_disable_logging" = "xyes"; then
647         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
648         AC_MSG_NOTICE([Disabled support for logging])
651 if test "x$mono_feature_disable_com" = "xyes"; then
652         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
653         AC_MSG_NOTICE([Disabled COM support])
656 if test "x$mono_feature_disable_ssa" = "xyes"; then
657         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
658         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
661 if test "x$mono_feature_disable_generics" = "xyes"; then
662         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
663         AC_MSG_NOTICE([Disabled Generics Support])
666 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
667         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
668         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
671 if test "x$mono_feature_disable_portability" = "xyes"; then
672         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
673         AC_MSG_NOTICE([Disabled IO Portability layer])
676 if test "x$mono_feature_disable_attach" = "xyes"; then
677         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
678         AC_MSG_NOTICE([Disabled agent attach])
681 if test "x$mono_feature_disable_full_messages" = "xyes"; then
682         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
683         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
686 if test "x$mono_feature_disable_verifier" = "xyes"; then
687         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
688         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
692 if test "x$mono_feature_disable_jit" = "xyes"; then
693         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
694         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
697 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
699 if test "x$mono_feature_disable_simd" = "xyes"; then
700         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
701         AC_MSG_NOTICE([Disabled SIMD support])
704 AC_MSG_CHECKING(for visibility __attribute__)
705 AC_TRY_COMPILE([], [
706    void __attribute__ ((visibility ("hidden"))) doit (void) {}
707    void main () { doit (); }
708 ], [
709    have_visibility_hidden=yes
710    AC_MSG_RESULT(yes)
711 ], [
712    have_visibility_hidden=no
713    AC_MSG_RESULT(no)
716 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
717 if test x$enable_parallel_mark = xyes; then
718         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
721 LIBGC_CFLAGS=
722 LIBGC_LIBS=
723 LIBGC_STATIC_LIBS=
724 libgc_dir=
725 case "x$gc" in
726         xboehm|xbohem|xyes)
727                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
728                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
730                 if test "x$found_boehm" != "xyes"; then
731                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
732                 fi
733                 if test "x$gc_headers" != "xyes"; then
734                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
735                 fi
737                 AC_DEFINE(HAVE_BOEHM_GC, 1, [Have Boehm GC])
738                 AC_SUBST(HAVE_BOEHM_GC)
739                 LIBGC_LIBS="-lgc $libdl"
740                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
742                 # AC_CHECK_FUNCS does not work for some reason...
743                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
744                 if test "x$found_gcj_malloc" = "xyes"; then
745                         AC_DEFINE(HAVE_GC_GCJ_MALLOC, 1, [Have GC_gcj_malloc])
746                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (with typed GC)", [GC description])
747                 else
748                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (no typed GC)", [GC description])
749                 fi
750                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
751                 if test "x$found_gc_enable" = "xyes"; then
752                         AC_DEFINE(HAVE_GC_ENABLE, 1, [Have 'GC_enable'])
753                 fi
754                 ;;
756         xincluded)
757                 found_boehm=yes
758                 gc_headers=yes
759                 use_included_gc=yes
760                 libgc_dir=libgc
762                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
763                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
764                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
766                 AC_DEFINE(HAVE_BOEHM_GC, 1, [Have Boehm GC])
767                 AC_SUBST(HAVE_BOEHM_GC)
769                 AC_DEFINE(HAVE_GC_H, 1, [Have gc.h])
770                 AC_DEFINE(USE_INCLUDED_LIBGC, 1, [Use included libgc])
772                 # The included libgc contains GCJ support
773                 AC_DEFINE(HAVE_GC_GCJ_MALLOC, 1, [Have GC_gcj_malloc])
774                 AC_DEFINE(HAVE_GC_ENABLE, 1, [Have GC_enable])
775                 if test x$enable_parallel_mark = xyes; then
776                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
777                 else
778                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "Included Boehm (with typed GC)", [GC description])
779                 fi
780                 ;;
782         xsgen)
783                 found_boehm=no
784                 gc_headers=no
785                 use_included_gc=no
786                 AC_DEFINE(HAVE_SGEN_GC,1,[Using the simple generational GC.])
787                 AC_DEFINE(HAVE_MOVING_COLLECTOR,1,[The GC can move objects.])
788                 AC_DEFINE(HAVE_WRITE_BARRIERS,1,[The GC needs write barriers.])
789                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Simple generational", [GC description])
790                 ;;
792         xnone)
793                 AC_MSG_WARN("Compiling mono without GC.")
794                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "none", [GC description])
795                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
796                 ;;
797         *)
798                 AC_MSG_ERROR([Invalid argument to --with-gc.])
799                 ;;
800 esac
802 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
803 if test "x$large_heap" = "xyes"; then
804    echo "FOO"
805    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
808 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
809 AC_SUBST(LIBGC_CFLAGS)
810 AC_SUBST(LIBGC_LIBS)
811 AC_SUBST(LIBGC_STATIC_LIBS)
812 AC_SUBST(libgc_dir)
815 dnl End of libgc checks
818 if test x$platform_win32 = xno; then
820         dnl hires monotonic clock support
821         AC_SEARCH_LIBS(clock_gettime, rt)
823         dnl dynamic loader support
824         AC_CHECK_FUNC(dlopen, DL_LIB="",
825                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
826         )
827         if test x$dl_support = xno; then
828                 AC_MSG_WARN([No dynamic loading support available])
829         else
830                 LIBS="$LIBS $DL_LIB"
831                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
832                 dnl from glib's configure.in
833                 AC_CACHE_CHECK([for preceeding underscore in symbols],
834                         mono_cv_uscore,[
835                         AC_TRY_RUN([#include <dlfcn.h>
836                         int mono_underscore_test (void) { return 42; }
837                         int main() {
838                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
839                           handle = dlopen ((void*)0, 0);
840                           if (handle) {
841                             f1 = dlsym (handle, "mono_underscore_test");
842                             f2 = dlsym (handle, "_mono_underscore_test");
843                           } return (!f2 || f1);
844                         }],
845                                 [mono_cv_uscore=yes],
846                                 [mono_cv_uscore=no],
847                         [])
848                 ])
849                 if test "x$mono_cv_uscore" = "xyes"; then
850                         MONO_DL_NEED_USCORE=1
851                 else
852                         MONO_DL_NEED_USCORE=0
853                 fi
854                 AC_SUBST(MONO_DL_NEED_USCORE)
855                 AC_CHECK_FUNC(dlerror)
856         fi
858         dnl ******************************************************************
859         dnl *** Checks for the IKVM JNI interface library                  ***
860         dnl ******************************************************************
861         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no      build the IKVM JNI interface library (defaults to yes)],[with_ikvm_native=$withval],[with_ikvm_native=yes])
863         ikvm_native_dir=
864         if test x$with_ikvm_native = xyes; then
865                 ikvm_native_dir=ikvm-native
866                 jdk_headers_found="IKVM Native"
867         fi
869         AC_SUBST(ikvm_native_dir)
871         AC_CHECK_HEADERS(execinfo.h)
873         AC_CHECK_FUNCS(getgrgid_r)
874         AC_CHECK_FUNCS(getgrnam_r)
875         AC_CHECK_FUNCS(getpwnam_r)
876         AC_CHECK_FUNCS(getpwuid_r)
877         AC_CHECK_FUNCS(getresuid)
878         AC_CHECK_FUNCS(setresuid)
879         AC_CHECK_FUNCS(kqueue)
880         AC_CHECK_FUNCS(backtrace_symbols)
881         AC_CHECK_FUNCS(mkstemp)
882         AC_CHECK_FUNCS(mmap)
883         AC_CHECK_FUNCS(madvise)
884         AC_CHECK_FUNCS(getrusage)
885         AC_CHECK_FUNCS(getpriority)
886         AC_CHECK_FUNCS(setpriority)
888         AC_CHECK_FUNCS(sched_setaffinity)
890         dnl ******************************************************************
891         dnl *** Check for large file support                               ***
892         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
893         dnl ******************************************************************
894         
895         # Check that off_t can represent 2**63 - 1 correctly, working around
896         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
897         # CPPFLAGS and sets $large_offt to yes if the test succeeds
898         large_offt=no
899         AC_DEFUN([LARGE_FILES], [
900                 large_CPPFLAGS=$CPPFLAGS
901                 CPPFLAGS="$CPPFLAGS $1"
902                 AC_TRY_RUN([
903                         #include <sys/types.h>
905                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
907                         int main(void) {
908                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
909                                                (BIG_OFF_T%2147483647==1));
910                                 if(big_off_t) {
911                                         exit(0);
912                                 } else {
913                                         exit(1);
914                                 }
915                         }
916                 ], [
917                         AC_MSG_RESULT(ok)
918                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
919                         large_CPPFLAGS="$large_CPPFLAGS $1"
920                         large_offt=yes
921                 ], [
922                         AC_MSG_RESULT(no)
923                 ], "")
924                 CPPFLAGS=$large_CPPFLAGS
925         ])
927         AC_MSG_CHECKING(if off_t is 64 bits wide)
928         LARGE_FILES("")
929         if test $large_offt = no; then
930                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
931                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
932         fi
933         if test $large_offt = no; then
934                 AC_MSG_WARN([No 64 bit file size support available])
935         fi
936         
937         dnl *****************************
938         dnl *** Checks for libsocket  ***
939         dnl *****************************
940         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
942         dnl *******************************
943         dnl *** Checks for MSG_NOSIGNAL ***
944         dnl *******************************
945         AC_MSG_CHECKING(for MSG_NOSIGNAL)
946         AC_TRY_COMPILE([#include <sys/socket.h>], [
947                 int f = MSG_NOSIGNAL;
948         ], [
949                 # Yes, we have it...
950                 AC_MSG_RESULT(yes)
951                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
952         ], [
953                 # We'll have to use signals
954                 AC_MSG_RESULT(no)
955         ])
957         dnl *****************************
958         dnl *** Checks for SOL_IP     ***
959         dnl *****************************
960         AC_MSG_CHECKING(for SOL_IP)
961         AC_TRY_COMPILE([#include <netdb.h>], [
962                 int level = SOL_IP;
963         ], [
964                 # Yes, we have it...
965                 AC_MSG_RESULT(yes)
966                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
967         ], [
968                 # We'll have to use getprotobyname
969                 AC_MSG_RESULT(no)
970         ])
972         dnl *****************************
973         dnl *** Checks for SOL_IPV6     ***
974         dnl *****************************
975         AC_MSG_CHECKING(for SOL_IPV6)
976         AC_TRY_COMPILE([#include <netdb.h>], [
977                 int level = SOL_IPV6;
978         ], [
979                 # Yes, we have it...
980                 AC_MSG_RESULT(yes)
981                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
982         ], [
983                 # We'll have to use getprotobyname
984                 AC_MSG_RESULT(no)
985         ])
987         dnl *****************************
988         dnl *** Checks for SOL_TCP    ***
989         dnl *****************************
990         AC_MSG_CHECKING(for SOL_TCP)
991         AC_TRY_COMPILE([#include <netdb.h>], [
992                 int level = SOL_TCP;
993         ], [
994                 # Yes, we have it...
995                 AC_MSG_RESULT(yes)
996                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
997         ], [
998                 # We'll have to use getprotobyname
999                 AC_MSG_RESULT(no)
1000         ])
1002         dnl *****************************
1003         dnl *** Checks for IP_PKTINFO ***
1004         dnl *****************************
1005         AC_MSG_CHECKING(for IP_PKTINFO)
1006         AC_TRY_COMPILE([#include <netdb.h>], [
1007                 int level = IP_PKTINFO;
1008         ], [
1009                 # Yes, we have it...
1010                 AC_MSG_RESULT(yes)
1011                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1012         ], [
1013                 AC_MSG_RESULT(no)
1014         ])
1016         dnl *****************************
1017         dnl *** Checks for IPV6_PKTINFO ***
1018         dnl *****************************
1019         AC_MSG_CHECKING(for IPV6_PKTINFO)
1020         AC_TRY_COMPILE([#include <netdb.h>], [
1021                 int level = IPV6_PKTINFO;
1022         ], [
1023                 # Yes, we have it...
1024                 AC_MSG_RESULT(yes)
1025                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1026         ], [
1027                 AC_MSG_RESULT(no)
1028         ])
1030         dnl **********************************
1031         dnl *** Checks for IP_DONTFRAGMENT ***
1032         dnl **********************************
1033         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1034         AC_TRY_COMPILE([#include <netdb.h>], [
1035                 int level = IP_DONTFRAGMENT;
1036         ], [
1037                 # Yes, we have it...
1038                 AC_MSG_RESULT(yes)
1039                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1040         ], [
1041                 AC_MSG_RESULT(no)
1042         ])
1044         dnl **********************************
1045         dnl *** Checks for IP_MTU_DISCOVER ***
1046         dnl **********************************
1047         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1048         AC_TRY_COMPILE([#include <netdb.h>], [
1049                 int level = IP_MTU_DISCOVER;
1050         ], [
1051                 # Yes, we have it...
1052                 AC_MSG_RESULT(yes)
1053                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1054         ], [
1055                 AC_MSG_RESULT(no)
1056         ])
1058         dnl *********************************
1059         dnl *** Check for struct ip_mreqn ***
1060         dnl *********************************
1061         AC_MSG_CHECKING(for struct ip_mreqn)
1062         AC_TRY_COMPILE([#include <netinet/in.h>], [
1063                 struct ip_mreqn mreq;
1064                 mreq.imr_address.s_addr = 0;
1065         ], [
1066                 # Yes, we have it...
1067                 AC_MSG_RESULT(yes)
1068                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1069         ], [
1070                 # We'll just have to try and use struct ip_mreq
1071                 AC_MSG_RESULT(no)
1072                 AC_MSG_CHECKING(for struct ip_mreq)
1073                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1074                         struct ip_mreq mreq;
1075                         mreq.imr_interface.s_addr = 0;
1076                 ], [
1077                         # Yes, we have it...
1078                         AC_MSG_RESULT(yes)
1079                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1080                 ], [
1081                         # No multicast support
1082                         AC_MSG_RESULT(no)
1083                 ])
1084         ])
1085         
1086         dnl **********************************
1087         dnl *** Check for gethostbyname2_r ***
1088         dnl **********************************
1089         AC_MSG_CHECKING(for gethostbyname2_r)
1090                 AC_TRY_LINK([#include <netdb.h>], [
1091                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1092         ], [
1093                 # Yes, we have it...
1094                 AC_MSG_RESULT(yes)
1095                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1096         ], [
1097                 AC_MSG_RESULT(no)
1098         ])
1100         dnl *****************************
1101         dnl *** Checks for libnsl     ***
1102         dnl *****************************
1103         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1105         AC_CHECK_FUNCS(inet_pton inet_aton)
1107         dnl ***********************************************
1108         dnl *** Checks for size of sockaddr_un.sun_path ***
1109         dnl ***********************************************
1110         # AC_CHECK_SIZEOF can't cope with struct members :-(
1111         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1112         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1113                 [AC_TRY_RUN([
1114                         #include <sys/types.h>
1115                         #include <stdio.h>
1116                         #include <sys/un.h>
1118                         int main(void) {
1119                                 struct sockaddr_un sock_un;
1120                                 FILE *f=fopen("conftestval", "w");
1121                                 if(!f) exit(1);
1122                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1123                                 exit(0);
1124                         }
1125                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1126                    mono_cv_sizeof_sunpath=0,
1127                    mono_cv_sizeof_sunpath=0)])dnl
1128         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1129         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1131         dnl *************************************
1132         dnl *** Checks for zero length arrays ***
1133         dnl *************************************
1134         AC_MSG_CHECKING(whether $CC supports zero length arrays)
1135         AC_TRY_COMPILE([
1136                 struct s {
1137                         int  length;
1138                         char data [0];
1139                 };
1140         ], [], [
1141                 AC_MSG_RESULT(yes)
1142                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0, [Length of zero length arrays])
1143         ], [
1144                 AC_MSG_RESULT(no)
1145                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1, [Length of zero length arrays])
1146         ])
1148         dnl *****************************
1149         dnl *** Checks for libxnet    ***
1150         dnl *****************************
1151         case "${host}" in
1152                 *solaris* )
1153                         AC_MSG_CHECKING(for Solaris XPG4 support)
1154                         if test -f /usr/lib/libxnet.so; then
1155                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1156                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1157                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1158                                 LIBS="$LIBS -lxnet"
1159                                 AC_MSG_RESULT(yes)
1160                         else
1161                                 AC_MSG_RESULT(no)
1162                         fi
1164                         if test "$GCC" = "yes"; then
1165                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1166                         fi
1167                 ;;
1168         esac
1170         dnl *****************************
1171         dnl *** Checks for libpthread ***
1172         dnl *****************************
1173 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1174 # and libpthread does not exist
1176         case "${host}" in
1177                 *-*-*freebsd*)
1178                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1179                 ;;
1180                 *)
1181                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1182                 ;;
1183         esac
1184         AC_CHECK_HEADERS(pthread.h)
1185         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1186         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1187         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1188         AC_TRY_COMPILE([ #include <pthread.h>], [
1189                 pthread_mutexattr_t attr;
1190                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1191         ], [
1192                 AC_MSG_RESULT(ok)
1193         ], [
1194                 AC_MSG_RESULT(no)
1195                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1196                 AC_DEFINE(USE_MONO_MUTEX, 1, [Use mono_mutex_t])
1197         ])
1198         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1199         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1200         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1202         dnl ***********************************
1203         dnl *** Checks for signals
1204         dnl ***********************************
1205         AC_CHECK_HEADERS(signal.h)
1206         AC_CHECK_FUNCS(sigaction)
1208         dnl ***********************************
1209         dnl *** Checks for working __thread ***
1210         dnl ***********************************
1211         AC_MSG_CHECKING(for working __thread)
1212         if test "x$with_tls" != "x__thread"; then
1213                 AC_MSG_RESULT(disabled)
1214         else
1215                 AC_TRY_RUN([
1216                         #include <pthread.h>
1217                         __thread int i;
1218                         static int res1, res2;
1220                         void thread_main (void *arg)
1221                         {
1222                                 i = arg;
1223                                 sleep (1);
1224                                 if (arg == 1)
1225                                         res1 = (i == arg);
1226                                 else
1227                                         res2 = (i == arg);
1228                         }
1230                         int main () {
1231                                 pthread_t t1, t2;
1233                                 i = 5;
1235                                 pthread_create (&t1, NULL, thread_main, 1);
1236                                 pthread_create (&t2, NULL, thread_main, 2);
1238                                 pthread_join (t1, NULL);
1239                                 pthread_join (t2, NULL);
1241                                 return !(res1 + res2 == 2);
1242                         }
1243                 ], [
1244                                 AC_MSG_RESULT(yes)
1245                 ], [
1246                                 AC_MSG_RESULT(no)
1247                                 with_tls=pthread
1248                 ])
1249         fi
1251         dnl **************************************
1252         dnl *** Checks for working sigaltstack ***
1253         dnl **************************************
1254         AC_MSG_CHECKING(for working sigaltstack)
1255         if test "x$with_sigaltstack" != "xyes"; then
1256                 AC_MSG_RESULT(disabled)
1257         else
1258                 AC_TRY_RUN([
1259                         #include <stdio.h>
1260                         #include <stdlib.h>
1261                         #include <unistd.h>
1262                         #include <signal.h>
1263                         #include <pthread.h>
1264                         #include <sys/wait.h>
1265                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1266                         #define SA_STACK SA_ONSTACK
1267                         #endif
1268                         static void
1269                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1270                         {
1271                                 exit (0);
1272                         }
1274                         static void *
1275                         loop (void *ignored)
1276                         {
1277                                 char *ptr = NULL;
1279                                 *ptr = 0;
1280                                 return NULL;
1281                         }
1283                         static void
1284                         child ()
1285                         {
1286                                 struct sigaction sa;
1287                                 struct sigaltstack sas;
1288                                 pthread_t id;
1289                                 pthread_attr_t attr;
1291                                 sa.sa_sigaction = sigsegv_signal_handler;
1292                                 sigemptyset (&sa.sa_mask);
1293                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1294                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1295                                         perror ("sigaction");
1296                                         return;
1297                                 }
1299                                 sas.ss_sp = malloc (SIGSTKSZ);
1300                                 sas.ss_size = SIGSTKSZ;
1301                                 sas.ss_flags = 0;
1302                                 if (sigaltstack (&sas, NULL) == -1) {
1303                                         perror ("sigaltstack");
1304                                         return;
1305                                 }
1307                                 pthread_attr_init (&attr);
1308                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1309                                         printf ("pthread_create\n");
1310                                         return;
1311                                 }
1313                                 sleep (100);
1314                         }
1316                         int
1317                         main ()
1318                         {
1319                                 pid_t son;
1320                                 int status;
1321                                 int i;
1323                                 son = fork ();
1324                                 if (son == -1) {
1325                                         return 1;
1326                                 }
1328                                 if (son == 0) {
1329                                         child ();
1330                                         return 0;
1331                                 }
1333                                 for (i = 0; i < 3; ++i) {
1334                                         sleep (1);
1335                                         waitpid (son, &status, WNOHANG);
1336                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1337                                                 return 0;
1338                                 }
1340                                 kill (son, SIGKILL);
1341                                 return 1;
1342                         }
1344                 ], [
1345                                 AC_MSG_RESULT(yes)
1346                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1347                 ], [
1348                                 with_sigaltstack=no
1349                                 AC_MSG_RESULT(no)
1350                 ])
1351         fi
1353         dnl ********************************
1354         dnl *** Checks for semaphore lib ***
1355         dnl ********************************
1356         # 'Real Time' functions on Solaris
1357         # posix4 on Solaris 2.6
1358         # pthread (first!) on Linux
1359         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1361         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1362         AC_CHECK_FUNCS(shm_open)
1364         dnl ********************************
1365         dnl *** Checks for timezone stuff **
1366         dnl ********************************
1367         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1368                 AC_TRY_COMPILE([
1369                         #include <time.h>
1370                         ], [
1371                         struct tm tm;
1372                         tm.tm_gmtoff = 1;
1373                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1374         if test $ac_cv_struct_tm_gmtoff = yes; then
1375                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1376         else
1377                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1378                         AC_TRY_COMPILE([
1379                                 #include <time.h>
1380                         ], [
1381                                 timezone = 1;
1382                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1383                 if test $ac_cv_var_timezone = yes; then
1384                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1385                 else
1386                         AC_ERROR(unable to find a way to determine timezone)
1387                 fi
1388         fi
1390         dnl *********************************
1391         dnl *** Checks for math functions ***
1392         dnl *********************************
1393         LIBS="$LIBS -lm";
1394         if test "x$has_broken_apple_cpp" != "xyes"; then
1395                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1396                         AC_TRY_LINK([#include <math.h>], 
1397                         [ finite(0.0); ], 
1398                         AC_DEFINE(HAVE_FINITE, 1, [Have finite]) AC_MSG_RESULT(yes),
1399                         AC_MSG_RESULT(no)))
1400         fi
1401         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1402                 AC_TRY_LINK([#include <math.h>], 
1403                 [ isfinite(0.0); ], 
1404                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1405                 AC_MSG_RESULT(no)))
1407         dnl ****************************************************************
1408         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1409         dnl *** have it in the library (duh))                            ***
1410         dnl ****************************************************************
1411         AC_CHECK_FUNCS(poll)
1413         dnl *************************
1414         dnl *** Check for signbit ***
1415         dnl *************************
1416         AC_MSG_CHECKING(for signbit)
1417         AC_TRY_LINK([#include <math.h>], [
1418                 int s = signbit(1.0);
1419         ], [
1420                 AC_MSG_RESULT(yes)
1421                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1422         ], [
1423                 AC_MSG_RESULT(no)
1424         ]) 
1426         dnl **********************************
1427         dnl *** epoll                      ***
1428         dnl **********************************
1429         AC_CHECK_HEADERS(sys/epoll.h)
1430         haveepoll=no
1431         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1432         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1433                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1434         fi
1436         dnl ******************************
1437         dnl *** Checks for SIOCGIFCONF ***
1438         dnl ******************************
1439         AC_CHECK_HEADERS(sys/ioctl.h)
1440         AC_CHECK_HEADERS(net/if.h)
1441         AC_MSG_CHECKING(for ifreq)
1442         AC_TRY_COMPILE([
1443                 #include <stdio.h>
1444                 #include <sys/ioctl.h>
1445                 #include <net/if.h>
1446                 ], [
1447                 struct ifconf ifc;
1448                 struct ifreq *ifr;
1449                 void *x;
1450                 ifc.ifc_len = 0;
1451                 ifc.ifc_buf = NULL;
1452                 x = (void *) &ifr->ifr_addr;
1453                 ],[
1454                         AC_MSG_RESULT(yes)
1455                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1456                 ], [
1457                         AC_MSG_RESULT(no)
1458                 ])
1459         dnl **********************************
1460         dnl ***     Checks for sin_len     ***
1461         dnl **********************************
1462         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1463         AC_TRY_COMPILE([
1464                 #include <netinet/in.h>
1465                 ], [
1466                 struct sockaddr_in saddr;
1467                 saddr.sin_len = sizeof (saddr);
1468                 ],[
1469                         AC_MSG_RESULT(yes)
1470                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1471                 ], [
1472                         AC_MSG_RESULT(no)
1473                 ])      
1474         dnl **********************************
1475         dnl ***    Checks for sin6_len     ***
1476         dnl **********************************
1477         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1478         AC_TRY_COMPILE([
1479                 #include <netinet/in.h>
1480                 ], [
1481                 struct sockaddr_in6 saddr6;
1482                 saddr6.sin6_len = sizeof (saddr6);
1483                 ],[
1484                         AC_MSG_RESULT(yes)
1485                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1486                 ], [
1487                         AC_MSG_RESULT(no)
1488                 ])      
1489         dnl **********************************
1490         dnl *** Checks for MonoPosixHelper ***
1491         dnl **********************************
1492         AC_CHECK_HEADERS(checklist.h)
1493         AC_CHECK_HEADERS(fstab.h)
1494         AC_CHECK_HEADERS(attr/xattr.h)
1495         AC_CHECK_HEADERS(sys/extattr.h)
1496         AC_CHECK_HEADERS(sys/sendfile.h)
1497         AC_CHECK_HEADERS(sys/statvfs.h)
1498         AC_CHECK_HEADERS(sys/statfs.h)
1499         AC_CHECK_HEADERS(sys/vfstab.h)
1500         AC_CHECK_HEADERS(sys/xattr.h)
1501         AC_CHECK_HEADERS(sys/mman.h)
1502         AC_CHECK_HEADERS(sys/param.h)
1503         AC_CHECK_HEADERS(sys/mount.h)
1504         AC_CHECK_FUNCS(getdomainname)
1505         AC_CHECK_FUNCS(setdomainname)
1506         AC_CHECK_FUNCS(fgetgrent)
1507         AC_CHECK_FUNCS(fgetpwent)
1508         AC_CHECK_FUNCS(fgetpwent)
1509         AC_CHECK_FUNCS(getfsstat)
1510         AC_CHECK_FUNCS(lutimes)
1511         AC_CHECK_FUNCS(mremap)
1512         AC_CHECK_FUNCS(remap_file_pages)
1513         AC_CHECK_FUNCS(posix_fadvise)
1514         AC_CHECK_FUNCS(posix_fallocate)
1515         AC_CHECK_FUNCS(posix_madvise)
1516         AC_CHECK_FUNCS(vsnprintf)
1517         AC_CHECK_FUNCS(sendfile)
1518         AC_CHECK_FUNCS(sethostid)
1519         AC_CHECK_FUNCS(statfs)
1520         AC_CHECK_FUNCS(fstatfs)
1521         AC_CHECK_FUNCS(statvfs)
1522         AC_CHECK_FUNCS(fstatvfs)
1523         AC_CHECK_FUNCS(stime)
1524         AC_CHECK_FUNCS(strerror_r)
1525         AC_CHECK_FUNCS(ttyname_r)
1526         AC_CHECK_SIZEOF(size_t)
1527         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
1528                 [#include <sys/types.h>
1529                  #include <sys/stat.h>
1530                  #include <unistd.h>])
1531         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1532                 [#include <sys/types.h>
1533                  #include <sys/stat.h>
1534                  #include <unistd.h>])
1535         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1536                 [#include <sys/time.h>])
1537         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
1538                 [#include <unistd.h>
1539                  #include <fcntl.h>])
1540         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1541                 [#include <sys/poll.h>])
1542         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1543                 [#include <sys/types.h>
1544                  #include <sys/stat.h>
1545                  #include <unistd.h>])
1546         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
1547                 [#include <time.h>])
1548         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1549                 [#include <sys/time.h>
1550                  #include <sys/types.h>
1551                  #include <utime.h>])
1552         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1553                 [#include <sys/time.h>])
1554         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
1555                 [#include <sys/types.h>
1556                  #include <utime.h>])
1557         AC_CHECK_MEMBERS(
1558                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
1559                 [#include <sys/types.h>
1560                  #include <dirent.h>])
1562         dnl Favour xattr through glibc, but use libattr if we have to
1563         AC_CHECK_FUNC(lsetxattr, ,
1564                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1565         )
1566         AC_SUBST(XATTR_LIB)
1568         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
1569         AC_CHECK_MEMBERS(
1570                 [struct kinfo_proc.kp_proc],,, 
1571                 [#include <sys/types.h>
1572                  #include <sys/sysctl.h>
1573                  #include <sys/proc.h>
1574                  ])
1576         dnl *********************************
1577         dnl *** Checks for Windows compilation ***
1578         dnl *********************************
1579         AC_CHECK_HEADERS(sys/time.h)
1580         AC_CHECK_HEADERS(sys/param.h)
1581         AC_CHECK_HEADERS(dirent.h)
1583         dnl *********************************
1584         dnl *** Check for Console 2.0 I/O ***
1585         dnl *********************************
1586         AC_CHECK_HEADERS([curses.h])
1587         AC_CHECK_HEADERS([term.h], [], [],
1588         [#if HAVE_CURSES_H
1589          #include <curses.h>
1590          #endif
1591         ])
1592         AC_CHECK_HEADERS([termios.h])
1594         dnl * This is provided in io-layer, but on windows it's only available
1595         dnl * on xp+
1596         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1597 else
1598         jdk_headers_found=no
1599         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1600         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1601         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1602         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
1603         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1604         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
1605         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
1607         dnl *********************************
1608         dnl *** Check for struct ip_mreqn ***
1609         dnl *********************************
1610         AC_MSG_CHECKING(for struct ip_mreqn)
1611         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1612                 struct ip_mreqn mreq;
1613                 mreq.imr_address.s_addr = 0;
1614         ], [
1615                 # Yes, we have it...
1616                 AC_MSG_RESULT(yes)
1617                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1618         ], [
1619                 # We'll just have to try and use struct ip_mreq
1620                 AC_MSG_RESULT(no)
1621                 AC_MSG_CHECKING(for struct ip_mreq)
1622                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1623                         struct ip_mreq mreq;
1624                         mreq.imr_interface.s_addr = 0;
1625                 ], [
1626                         # Yes, we have it...
1627                         AC_MSG_RESULT(yes)
1628                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1629                 ], [
1630                         # No multicast support
1631                         AC_MSG_RESULT(no)
1632                 ])
1633         ])
1634         AC_CHECK_FUNCS(GetProcessId)
1637 dnl socklen_t check
1638 AC_MSG_CHECKING(for socklen_t)
1639 AC_TRY_COMPILE([
1640 #include <sys/types.h>
1641 #include <sys/socket.h>
1643   socklen_t foo;
1645 ac_cv_c_socklen_t=yes
1646         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
1647         AC_MSG_RESULT(yes)
1649         AC_MSG_RESULT(no)
1652 AC_MSG_CHECKING(for array element initalizer support)
1653 AC_TRY_COMPILE([#include <sys/socket.h>], [
1654         const int array[] = {[1] = 2,};
1655 ], [
1656         # Yes, we have it...
1657         AC_MSG_RESULT(yes)
1658         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1659 ], [
1660         # We'll have to use signals
1661         AC_MSG_RESULT(no)
1664 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1665         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1666         AC_TRY_LINK([#include <math.h>], 
1667         [ static void *p = &trunc; ],
1668         [
1669                 AC_DEFINE(HAVE_TRUNC) 
1670                 AC_MSG_RESULT(yes)
1671                 ac_cv_trunc=yes
1672         ],
1673         AC_MSG_RESULT(no)))
1675 if test "x$ac_cv_truncl" != "xyes"; then
1676    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
1679 AC_CHECK_FUNCS(round)
1680 AC_CHECK_FUNCS(rint)
1682 dnl ****************************
1683 dnl *** Look for /dev/random ***
1684 dnl ****************************
1686 AC_MSG_CHECKING([if usage of random device is requested])
1687 AC_ARG_ENABLE(dev-random,
1688 [  --disable-dev-random    disable the use of the random device (enabled by default)],
1689 try_dev_random=$enableval, try_dev_random=yes)
1691 AC_MSG_RESULT($try_dev_random)
1693 case "{$target}" in
1694     *-openbsd*)
1695     NAME_DEV_RANDOM="/dev/srandom"
1696     ;;
1698 dnl Win32 does not have /dev/random, they have their own method...
1700     *-*-mingw*|*-*-cygwin*)
1701     ac_cv_have_dev_random=no
1702     ;;
1704 dnl Everywhere else, it's /dev/random
1706     *)
1707     NAME_DEV_RANDOM="/dev/random"
1708     ;;
1709 esac
1711 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
1713 dnl Now check if the device actually exists
1715 if test "x$try_dev_random" = "xyes"; then
1716     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1717     [if test -r "$NAME_DEV_RANDOM" ; then
1718         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1719     if test "x$ac_cv_have_dev_random" = "xyes"; then
1720         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
1721     fi
1722 else
1723     AC_MSG_CHECKING(for random device)
1724     ac_cv_have_dev_random=no
1725     AC_MSG_RESULT(has been disabled)
1728 if test "x$platform_win32" = "xyes"; then
1729     AC_DEFINE(HAVE_CRYPT_RNG)
1732 if test "x$ac_cv_have_dev_random" = "xno" \
1733     && test "x$platform_win32" = "xno"; then
1734     AC_MSG_WARN([[
1736 *** A system-provided entropy source was not found on this system.
1737 *** Because of this, the System.Security.Cryptography random number generator
1738 *** will throw a NotImplemented exception.
1740 *** If you are seeing this message, and you know your system DOES have an
1741 *** entropy collection in place, please contact <crichton@gimp.org> and
1742 *** provide information about the system and how to access the random device.
1744 *** Otherwise you can install either egd or prngd and set the environment
1745 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1746 ***]])
1749 AC_MSG_CHECKING([if inter-process shared handles are requested])
1750 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1751 AC_MSG_RESULT($try_shared_handles)
1752 if test "x$try_shared_handles" != "xyes"; then
1753         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
1754         AC_SUBST(DISABLE_SHARED_HANDLES)
1757 if test x$gc = xsgen; then
1758    if test x$with_tls != x__thread; then
1759           AC_MSG_ERROR([The SGEN garbage collector depends on a working __thread implementation, and either --with-thread=pthread was passed to configure, or the configure test for __thread failed.])
1760    fi
1763 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
1764 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1766 AC_MSG_CHECKING([if big-arrays are to be enabled])
1767 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
1768 if test "x$enable_big_arrays" = "xyes" ; then
1769     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
1770         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
1771     else
1772         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
1773     fi
1775 AC_MSG_RESULT($enable_big_arrays)
1777 dnl **************
1778 dnl *** DTRACE ***
1779 dnl **************
1781 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
1783 if test "x$enable_dtrace" = "xyes"; then
1784    if test "x$has_dtrace" = "xno"; then
1785           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
1786    fi
1787    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
1788    if test "x$DTRACE" = "xno"; then
1789           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
1790           enable_dtrace=no
1791    elif ! $DTRACE -h $srcdir/data/mono.d > /dev/null 2>&1; then
1792           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
1793           enable_dtrace=no
1794    fi
1797 dtrace_g=no
1798 if test "x$enable_dtrace" = "xyes"; then
1799         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
1800         DTRACEFLAGS=
1801         if test "x$ac_cv_sizeof_void_p" = "x8"; then
1802                 case "$host" in
1803                         powerpc-*-darwin*)
1804                         DTRACEFLAGS="-arch ppc64"
1805                         ;;
1806                         i*86-*-darwin*)
1807                         DTRACEFLAGS="-arch x86_64"
1808                         ;;
1809                         *)
1810                         DTRACEFLAGS=-64
1811                         ;;
1812                 esac
1813         else
1814                 case "$host" in
1815                         powerpc-*-darwin*)
1816                         DTRACEFLAGS="-arch ppc"
1817                         ;;
1818                         i*86-*-darwin*)
1819                         DTRACEFLAGS="-arch i386"
1820                         ;;
1821                         *)
1822                         DTRACEFLAGS=-32
1823                         ;;
1824                 esac
1825         fi
1826         AC_SUBST(DTRACEFLAGS)
1827         case "$host" in
1828                 *-*-solaris*)
1829                 dtrace_g=yes
1830                 ;;
1831         esac
1832         AC_CHECK_HEADERS([sys/sdt.h])
1834 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
1835 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
1837 dnl **************
1838 dnl ***  LLVM  ***
1839 dnl **************
1841 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the experimental LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
1843 if test "x$enable_llvm" = "xyes"; then
1844    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
1845    if test "x$LLVM_CONFIG" = "xno"; then
1846           AC_MSG_ERROR([llvm-config not found.])
1847    fi
1849    LLVM_CXXFLAGS=`$LLVM_CONFIG --cflags`
1850    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
1851    LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit x86codegen`
1852    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
1854    AC_SUBST(LLVM_CXXFLAGS)
1855    AC_SUBST(LLVM_LIBS)
1856    AC_SUBST(LLVM_LDFLAGS)
1857    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
1860 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
1862 TARGET="unknown"
1863 ACCESS_UNALIGNED="yes"
1865 JIT_SUPPORTED=no
1866 INTERP_SUPPORTED=no
1867 LIBC="libc.so.6"
1868 INTL="libc.so.6"
1869 SQLITE="libsqlite.so.0"
1870 SQLITE3="libsqlite3.so.0"
1871 X11="libX11.so"
1873 sizeof_register="SIZEOF_VOID_P"
1875 jit_wanted=false
1876 interp_wanted=false
1877 case "$host" in
1878 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1879 #               TARGET=MIPS;
1880 #               ACCESS_UNALIGNED="no"
1881 #               ;;
1882         mips*)
1883                 TARGET=MIPS;
1884                 arch_target=mips;
1885                 ACCESS_UNALIGNED="no"
1886                 JIT_SUPPORTED=yes
1887                 jit_wanted=true
1889                 AC_MSG_CHECKING(for mips n32)
1890                 AC_TRY_COMPILE([], [
1891                 void main () {
1892                 #if _MIPS_SIM != _ABIN32
1893                 #error Not mips n32
1894                 #endif
1895                 }
1896                 ],[
1897                 AC_MSG_RESULT(yes)
1898                 sizeof_register=8
1899                 ],[
1900                 AC_MSG_RESULT(no)
1901                 ])
1902                 ;;
1903         i*86-*-*)
1904                 TARGET=X86;
1905                 arch_target=x86;
1906                 JIT_SUPPORTED=yes
1907                 jit_wanted=true
1908                 case $host_os in
1909                   solaris*)
1910                         LIBC="libc.so"
1911                         INTL="libintl.so"
1912                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
1913                                 TARGET=AMD64
1914                                 arch_target=amd64
1915                         fi
1917                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
1918                         # int astruct __attribute__ ((visibility ("hidden")));
1919                         # void foo ()
1920                         # {
1921                         #       void *p = &astruct;
1922                         # }
1923                         # gcc -fPIC --shared -o libfoo.so foo.c
1924                         # yields:
1925                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
1926                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
1927                         have_visibility_hidden=no
1929                 esac
1930                 ;;
1931         x86_64-*-* | amd64-*-*)
1932                 TARGET=AMD64;
1933                 arch_target=amd64;
1934                 JIT_SUPPORTED=yes
1935                 jit_wanted=true
1936                 ;;
1937         ia64-*-*)
1938                 TARGET=IA64
1939                 arch_target=ia64
1940                 ACCESS_UNALIGNED="no"
1941                 JIT_SUPPORTED=yes
1942                 jit_wanted=true
1943                 LIBC="libc.so.6.1"
1944                 INTL="libc.so.6.1"
1945                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
1946                 libmono_ldflags="-lunwind"
1947                 ;;
1948         sparc*-*-*)
1949                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
1950                    TARGET=SPARC64
1951                 else
1952                         TARGET=SPARC
1953                 fi
1954                 arch_target=sparc;
1955                 JIT_SUPPORTED=yes
1956                 ACCESS_UNALIGNED="no"
1957                 case $host_os in
1958                   linux*) ;;
1959                   *)
1960                         LIBC="libc.so"
1961                         INTL="libintl.so"
1962                 esac
1963                 jit_wanted=true
1964                 if test x"$GCC" = xyes; then
1965                         # We don't support v8 cpus
1966                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
1967                 fi
1968                 if test x"$AR" = xfalse; then
1969                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
1970                 fi
1971                 ;;
1972        alpha*-*-linux* | alpha*-*-osf*)
1973                 TARGET=ALPHA;
1974                 ACCESS_UNALIGNED="no"
1975                 JIT_SUPPORTED=yes
1976                 jit_wanted=true
1977                 arch_target=alpha;
1978                 CFLAGS="$CFLAGS -mieee -O0"
1979                 case $host_os in
1980                   linux*)
1981                         LIBC="libc.so.6.1"
1982                         INTL="libc.so.6.1"
1983                 esac
1984                ;;
1985         *-*-mingw*|*-*-cygwin*)
1986                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
1987                 have_visibility_hidden=no
1988                 INTL="intl"
1989                 ;;
1990         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1991                 TARGET=HPPA;
1992                 arch_target=hppa; 
1993                 LIBC="libc.sl"
1994                 ACCESS_UNALIGNED="no"
1995                 INTERP_SUPPORTED=yes
1996                 interp_wanted=true
1997                 ;;
1998         hppa*linux*)
1999                 TARGET=HPPA;
2000                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
2001                 arch_target=hppa; 
2002                 ACCESS_UNALIGNED="no"
2003                 JIT_SUPPORTED=yes
2004                 jit_wanted=true
2005                 ;;
2006         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2007         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* )
2008                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2009                         TARGET=POWERPC64;
2010                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2011                         CFLAGS="$CFLAGS -mminimal-toc"
2012                 else
2013                         TARGET=POWERPC;
2014                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2015                 fi
2016                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
2017                 arch_target=ppc;
2018                 JIT_SUPPORTED=yes
2019                 jit_wanted=true
2020                 ;;
2021         arm*-darwin*)
2022                 TARGET=ARM;
2023                 arch_target=arm;
2024                 ACCESS_UNALIGNED="no"
2025                 JIT_SUPPORTED=yes
2026                 CPPFLAGS="$CPPFLAGS -DARM_FPU_NONE=1"
2027                 jit_wanted=true
2028                 ;;
2029         arm*-linux*)
2030                 TARGET=ARM;
2031                 arch_target=arm;
2032                 ACCESS_UNALIGNED="no"
2033                 JIT_SUPPORTED=yes
2034                 jit_wanted=true
2035                 ;;
2036         s390-*-linux*)
2037                 TARGET=S390;
2038                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
2039                 arch_target=s390;
2040                 ACCESS_UNALIGNED="no"
2041                 JIT_SUPPORTED=yes
2042                 jit_wanted=true
2043                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
2044                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2045                 ;;
2046         s390x-*-linux*)
2047                 TARGET=S390x;
2048                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
2049                 arch_target=s390x;
2050                 ACCESS_UNALIGNED="no"
2051                 JIT_SUPPORTED=yes
2052                 jit_wanted=true
2053                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2054                 ;;
2055 esac
2057 # FIXME: Define the others as well
2058 case "$TARGET" in
2059 X86)
2060         AC_DEFINE(TARGET_X86, 1, [...])
2061         ;;
2062 AMD64)
2063         AC_DEFINE(TARGET_AMD64, 1, [...])
2064         ;;
2065 ARM)
2066         AC_DEFINE(TARGET_ARM, 1, [...])
2067         ;;
2068 POWERPC)
2069         AC_DEFINE(TARGET_POWERPC, 1, [...])
2070         ;;
2071 POWERPC64)
2072         AC_DEFINE(TARGET_POWERPC, 1, [...])
2073         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2074         ;;
2075 esac
2077 if test "x$sizeof_register" = "x4"; then
2078    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2079 elif test "x$sizeof_register" = "x8"; then
2080    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2081 else
2082    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2085 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2086    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2087 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2088    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2089 else
2090    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2093 if test "x$have_visibility_hidden" = "xyes"; then
2094    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2097 AC_ARG_WITH(jit, [  --with-jit=yes,no              If you want to build scripts that default to the JIT (defaults to no)],[
2098         if test x$withval = xyes; then
2099            jit_wanted=true
2100         else
2101            jit_wanted=false
2102         fi
2105 AC_ARG_WITH(interp, [  --with-interp=yes,no           If you want to build scripts that default to the interpreter (defaults to no)],[
2106         if test x$withval = xyes; then
2107            interp_wanted=true
2108         else
2109            interp_wanted=false
2110         fi
2113 USEJIT=false
2114 if test x$JIT_SUPPORTED = xyes; then
2115    if $jit_wanted; then
2116       USEJIT=true
2117       jit_status="Building and using the JIT"
2118    else
2119       if $interp_wanted; then
2120          jit_status="Building the JIT, defaulting to the interpreter"
2121       else
2122          AC_ERROR(No JIT or interpreter support available or selected.)
2123       fi
2124    fi
2125 else
2126    if test x$interp_wanted = xtrue; then
2127       jit_status="interpreter"
2128    else
2129       AC_ERROR(No JIT or interpreter support available or selected.)
2130    fi
2133 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2135 libsuffix=".so"
2137 case "$host" in
2138      *-*-darwin*)
2139         libsuffix=".dylib"
2140         LIBC="libc.dylib"
2141         INTL="libintl.dylib"
2142         SQLITE="libsqlite.0.dylib"
2143         SQLITE3="libsqlite3.0.dylib"
2144         X11="libX11.dylib"
2145         ;;
2146      *-*-*netbsd*)
2147         LIBC="libc.so.12"
2148         INTL="libintl.so.0"
2149         ;;
2150     *-*-*freebsd*)
2151         LIBC="libc.so"
2152         INTL="libintl.so"
2153         ;;
2154     *-*-*openbsd*)
2155         LIBC="libc.so"
2156         INTL="libintl.so"
2157         ;;
2158     *-*-*linux*)
2159         AC_PATH_X
2160         AC_MSG_CHECKING(for the soname of libX11.so)
2161         for i in $x_libraries /usr/lib /usr/lib64; do
2162                 for r in 4 5 6; do
2163                         if test -f $i/libX11.so.$r; then
2164                                 X11=libX11.so.$r
2165                                 AC_MSG_RESULT($X11)
2166                         fi
2167                 done
2168         done
2169         
2170         if test "x$X11" = "xlibX11.so"; then
2171                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? WinForms may not work...]);
2172         fi
2173         ;;
2174 esac
2177 AC_SUBST(libsuffix)
2179 AC_CHECK_HEADERS(valgrind/memcheck.h)
2181 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2182         if test "x$with_tls" = "x__thread"; then
2183                 #
2184                 # On some linux distributions, TLS works in executables, but linking 
2185                 # against a shared library containing TLS fails with:
2186                 # undefined reference to `__tls_get_addr'
2187                 #
2188                 rm -f conftest.c conftest.so conftest
2189                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
2190                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2191                 $CC -o conftest conftest.so > /dev/null 2>&1
2192                 if test ! -f conftest; then
2193                    AC_MSG_WARN([Disabling usage of __thread.]);
2194                    with_tls=pthread
2195                 fi
2196                 rm -f conftest.c conftest.so conftest
2197         fi
2200 mono_debugger_supported=no
2201 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA"; then
2202         if test x$use_included_gc = xyes; then
2203                 case "$host" in
2204                 *-*-*linux*)
2205                         mono_debugger_supported=yes
2206                         ;;
2207                 *86-apple-darwin*)
2208                         mono_debugger_supported=yes
2209                         ;;              
2210                 esac
2211         fi
2214 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2215 if test "x$mono_debugger_supported" = "xyes"; then
2216         AC_DEFINE(MONO_DEBUGGER_SUPPORTED,1,[The Mono Debugger is supported on this platform])
2218 AC_MSG_RESULT($mono_debugger_supported)
2219 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2221 if test "x$with_tls" = "x__thread"; then
2222         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2223         # Pass the information to libgc
2224         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2225         AC_MSG_CHECKING(if the tls_model attribute is supported)
2226         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2227                 ], [
2228                         AC_MSG_RESULT(yes)
2229                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
2230                 ], [
2231                         AC_MSG_RESULT(no)
2232         ])
2235 if test ${TARGET} = ARM && test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2236         dnl ******************************************
2237         dnl *** Check to see what FPU is available ***
2238         dnl ******************************************
2239         AC_MSG_CHECKING(which FPU to use)
2241         AC_TRY_COMPILE([], [
2242                 __asm__ ("ldfd f0, [r0]");
2243                 ], fpu=FPA, fpu=NONE)
2245         AC_MSG_RESULT($fpu)
2246         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
2247         unset fpu
2250 if test ${TARGET} = unknown; then
2251         CPPFLAGS="$CPPFLAGS -DNO_PORT"
2252         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
2255 if test ${ACCESS_UNALIGNED} = no; then
2256         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
2259 case "x$gc" in
2260         xincluded)
2261                 # Pass CPPFLAGS to libgc configure
2262                 # We should use a separate variable for this to avoid passing useless and
2263                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
2264                 # This should be executed late so we pick up the final version of CPPFLAGS
2265                 # The problem with this approach, is that during a reconfigure, the main
2266                 # configure scripts gets invoked with these arguments, so we use separate
2267                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
2268                 LIBGC_CPPFLAGS=$CPPFLAGS
2269                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
2270                         LIBGC_CPPFLAGS=`echo $LIBGC_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
2271                 fi
2272                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$LIBGC_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
2273                 AC_CONFIG_SUBDIRS(libgc)
2274                 ;;
2275 esac
2277 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0 FX (defaults to yes)],                 [], [with_profile2=yes])
2278 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to no)],                  [], [with_profile4=no])
2279 AC_ARG_WITH(moonlight, [  --with-moonlight=yes,no         If you want to build the Moonlight 2.1 assemblies (defaults to yes)], [], [with_moonlight=yes])
2280 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no         If you want to build the raw MonoTouch 2.1 assemblies (defaults to no)], [], [with_monotouch=no])
2282 OPROFILE=no
2283 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
2284         if test x$with_oprofile != xno; then
2285             oprofile_include=$with_oprofile/include
2286             if test ! -f $oprofile_include/opagent.h; then
2287                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
2288                 fi
2289             OPROFILE=yes
2290                 OPROFILE_CFLAGS="-I$oprofile_include"
2291             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
2292             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
2293         fi
2296 MALLOC_MEMPOOLS=no
2297 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
2298         if test x$with_malloc_mempools = xyes; then
2299                 MALLOC_MEMPOOLS=yes
2300                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
2301         fi
2305 DISABLE_MCS_DOCS=no
2306 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
2307         if test x$with_mcs_docs != xyes; then
2308                 DISABLE_MCS_DOCS=yes
2309         fi
2313 dnl Consistency settings
2315 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
2316    DISABLE_MCS_DOCS=yes
2317    docs_dir=""
2318 else
2319    docs_dir=docs
2321 AC_SUBST(docs_dir)
2323 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
2324 AC_SUBST(OPROFILE_CFLAGS)
2325 AC_SUBST(OPROFILE_LIBS)
2327 libmono_ldflags="$libmono_ldflags $LIBS"
2329 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
2330 AM_CONDITIONAL(INSTALL_2_1, [test "x$with_moonlight" = xyes])
2331 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
2332 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" = xyes])
2334 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
2335 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
2336 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
2337 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
2338 AM_CONDITIONAL(X86, test x$TARGET = xX86)
2339 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
2340 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
2341 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
2342 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
2343 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
2344 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
2345 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
2346 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
2347 AM_CONDITIONAL(S390, test x$TARGET = xS390)
2348 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
2349 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
2351 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
2352 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
2353 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
2355 AC_SUBST(LIBC)
2356 AC_SUBST(INTL)
2357 AC_SUBST(SQLITE)
2358 AC_SUBST(SQLITE3)
2359 AC_SUBST(X11)
2360 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
2361 AC_SUBST(arch_target)
2362 AC_SUBST(CFLAGS)
2363 AC_SUBST(CPPFLAGS)
2364 AC_SUBST(LDFLAGS)
2366 mono_build_root=`pwd`
2367 AC_SUBST(mono_build_root)
2369 if test x$USEJIT = xtrue; then
2370   mono_runtime=mono/mini/mono
2371 else
2372   mono_runtime=mono/interpreter/mint
2374 AC_SUBST(mono_runtime)
2376 mono_cfg_root=$mono_build_root/runtime
2377 if test x$platform_win32 = xyes; then
2378   if test "x$cross_compiling" = "xno"; then
2379     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
2380   else
2381     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\\'`\\etc
2382   fi
2383 else
2384   mono_cfg_dir=$mono_cfg_root/etc
2386 AC_SUBST(mono_cfg_dir)
2388 AC_CONFIG_FILES([po/mcs/Makefile.in])
2390 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
2391 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
2393 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
2394 [   depth=../../../..
2395     case $srcdir in
2396     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2397     .) reldir=$depth ;;
2398     *) reldir=$depth/$srcdir ;;
2399     esac
2400     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
2401     cd runtime/etc/mono/1.0
2402     rm -f machine.config
2403     $LN_S $reldir/data/net_1_1/machine.config machine.config
2404     cd $depth
2405 ],[LN_S='$LN_S'])
2407 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
2408 [   depth=../../../..
2409     case $srcdir in
2410     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2411     .) reldir=$depth ;;
2412     *) reldir=$depth/$srcdir ;;
2413     esac
2414     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
2415     cd runtime/etc/mono/2.0
2416     rm -f machine.config
2417     $LN_S $reldir/data/net_2_0/machine.config machine.config
2418     cd $depth
2419 ],[LN_S='$LN_S'])
2421 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
2422 [   depth=../../../..
2423     case $srcdir in
2424     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2425     .) reldir=$depth ;;
2426     *) reldir=$depth/$srcdir ;;
2427     esac
2428     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
2429     cd runtime/etc/mono/2.0
2430     rm -f web.config
2431     $LN_S $reldir/data/net_2_0/web.config web.config
2432     cd $depth
2433 ],[LN_S='$LN_S'])
2435 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
2436 [   depth=../../..
2437     case $srcdir in
2438     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2439     .) reldir=$depth ;;
2440     *) reldir=$depth/$srcdir ;;
2441     esac
2442     $ac_aux_dir/install-sh -d runtime/etc/mono/
2443     cd runtime/etc/mono/
2444     rm -f browscap.ini
2445     $LN_S $reldir/data/browscap.ini browscap.ini
2446     cd $depth
2447 ],[LN_S='$LN_S'])
2449 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
2450 [   depth=../../../../..
2451     case $srcdir in
2452     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2453     .) reldir=$depth ;;
2454     *) reldir=$depth/$srcdir ;;
2455     esac
2456     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
2457     cd runtime/etc/mono/2.0/Browsers
2458     rm -f Compat.browser
2459     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
2460     cd $depth
2461 ],[LN_S='$LN_S'])
2463 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
2464 [   depth=../../../..
2465     case $srcdir in
2466     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2467     .) reldir=$depth ;;
2468     *) reldir=$depth/$srcdir ;;
2469     esac
2470     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
2471     cd runtime/etc/mono/4.0
2472     rm -f machine.config
2473     $LN_S $reldir/data/net_4_0/machine.config machine.config
2474     cd $depth
2475 ],[LN_S='$LN_S'])
2477 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
2478 [   depth=../../../..
2479     case $srcdir in
2480     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2481     .) reldir=$depth ;;
2482     *) reldir=$depth/$srcdir ;;
2483     esac
2484     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
2485     cd runtime/etc/mono/4.0
2486     rm -f web.config
2487     $LN_S $reldir/data/net_4_0/web.config web.config
2488     cd $depth
2489 ],[LN_S='$LN_S'])
2491 if test x$enable_quiet_build = xyes; then
2492    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])
2493    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])
2496 AC_OUTPUT([
2497 Makefile
2498 mono-core.spec
2499 mono-uninstalled.pc
2500 scripts/mono-find-provides
2501 scripts/mono-find-requires
2502 mono/Makefile
2503 mono/utils/Makefile
2504 mono/metadata/Makefile
2505 mono/dis/Makefile
2506 mono/cil/Makefile
2507 mono/arch/Makefile
2508 mono/arch/x86/Makefile
2509 mono/arch/amd64/Makefile
2510 mono/arch/hppa/Makefile
2511 mono/arch/ppc/Makefile
2512 mono/arch/sparc/Makefile
2513 mono/arch/s390/Makefile
2514 mono/arch/s390x/Makefile
2515 mono/arch/arm/Makefile
2516 mono/arch/alpha/Makefile
2517 mono/arch/ia64/Makefile
2518 mono/arch/mips/Makefile
2519 mono/interpreter/Makefile
2520 mono/tests/Makefile
2521 mono/tests/tests-config
2522 mono/tests/assemblyresolve/Makefile
2523 mono/tests/cas/Makefile
2524 mono/tests/cas/assembly/Makefile
2525 mono/tests/cas/demand/Makefile
2526 mono/tests/cas/inheritance/Makefile
2527 mono/tests/cas/linkdemand/Makefile
2528 mono/tests/cas/threads/Makefile
2529 mono/benchmark/Makefile
2530 mono/monograph/Makefile
2531 mono/io-layer/Makefile
2532 mono/mini/Makefile
2533 mono/profiler/Makefile
2534 ikvm-native/Makefile
2535 scripts/Makefile
2536 man/Makefile
2537 web/Makefile
2538 docs/Makefile
2539 data/Makefile
2540 data/net_1_1/Makefile
2541 data/net_2_0/Makefile
2542 data/net_4_0/Makefile
2543 data/net_2_0/Browsers/Makefile
2544 data/mint.pc
2545 data/mono.pc
2546 data/mono-cairo.pc
2547 data/mono-nunit.pc
2548 data/mono-options.pc
2549 data/mono-lineeditor.pc
2550 data/monodoc.pc
2551 data/mono.web.pc
2552 data/dotnet.pc
2553 data/dotnet35.pc
2554 data/wcf.pc
2555 data/cecil.pc
2556 data/system.web.extensions_1.0.pc
2557 data/system.web.extensions.design_1.0.pc
2558 data/system.web.mvc.pc
2559 samples/Makefile
2560 support/Makefile
2561 data/config
2562 tools/Makefile
2563 tools/locale-builder/Makefile
2564 runtime/Makefile
2565 msvc/Makefile
2566 po/Makefile
2569 if test x$platform_win32 = xyes; then
2570    # Get rid of 'cyg' prefixes in library names
2571    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2572    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
2573    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
2574    # executable doesn't work...
2575    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2579   case $prefix in
2580   NONE) prefix=$ac_default_prefix ;;
2581   esac
2582   case $exec_prefix in
2583   NONE) exec_prefix='${prefix}' ;;
2584   esac
2586   test -w $srcdir/$mcsdir/build || chmod +w $srcdir/$mcsdir/build
2588   #
2589   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
2590   # any existing config.make.  This allows people to share the same source tree
2591   # with different build directories, one native and one cross
2592   #
2593   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2594     echo "prefix=$prefix" > $srcdir/$mcsdir/build/config.make
2595     echo "exec_prefix=$exec_prefix" >> $srcdir/$mcsdir/build/config.make
2596     echo "sysconfdir=$sysconfdir" >> $srcdir/$mcsdir/build/config.make
2597     echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$mcsdir/build/config.make
2598     echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$mcsdir/build/config.make
2599     echo 'IL_FLAGS = /debug' >> $srcdir/$mcsdir/build/config.make
2600     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$mcsdir/build/config.make
2601     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $srcdir/$mcsdir/build/config.make
2602     case $INSTALL in
2603     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
2604     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
2605     esac
2607     echo "INSTALL = $mcs_INSTALL" >> $srcdir/$mcsdir/build/config.make
2609     export VERSION
2610     [myver=$($AWK 'BEGIN {
2611       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
2612       if(length(vsplit [1]) > 4) {
2613         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
2614       }
2615       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
2616     }')]
2618     echo "MONO_VERSION = $myver" >> $srcdir/$mcsdir/build/config.make
2619   fi
2621   if test x$platform_darwin = xyes; then
2622         echo "PLATFORM = darwin" >> $srcdir/$mcsdir/build/config.make
2623   fi
2625   if test x$TARGET = xAMD64 -a x$platform_win32 = xno -a "x$AOT_SUPPORTED" = "xyes"; then
2626          echo "ENABLE_AOT = 1" >> $srcdir/$mcsdir/build/config.make
2627   fi
2629   # if we have an olive folder, override the default settings
2630   if test -d $olivedir; then
2632     test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
2634     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
2635       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
2636       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
2637       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
2638       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
2639       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
2640       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
2641       if test x$with_moonlight = xyes; then
2642         echo "WITH_MOONLIGHT = yes" >> $srcdir/$olivedir/build/config.make
2643       fi
2644     fi
2645   fi
2647   if test x$DISABLE_MCS_DOCS = xyes; then
2648         echo "DISABLE_MCS_DOCS = yes" >> $srcdir/$mcsdir/build/config.make
2649   fi
2652 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
2654 echo "
2655         mcs source:    $mcs_topdir
2656         olive source:  $olive_topdir
2658         GC:            $gc
2659         GLIB:          $with_glib
2660         TLS:           $with_tls
2661         SIGALTSTACK:   $with_sigaltstack
2662         Engine:        $jit_status
2663         2.0 Profile:   $with_profile2
2664         Moon Profile:  $with_moonlight
2665         4.0 Alpha:     $with_profile4
2666         MonoTouch:     $with_monotouch
2667         JNI support:   $jdk_headers_found
2668         libgdiplus:    $libgdiplus_msg
2669         zlib:          $zlib_msg
2670         oprofile:      $OPROFILE
2671         BigArrays:     $enable_big_arrays
2672         DTrace:        $enable_dtrace
2673         Parallel Mark: $enable_parallel_mark
2674         LLVM Back End: $enable_llvm
2675         $disabled
2678 if test x$with_static_mono = xno -a "x$platform_win32" != "xyes"; then
2679    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
2682 if test x$gc = xsgen; then
2683         echo IMPORTANT:
2684         echo IMPORTANT: You have selected an experimental, work-in-progress 
2685         echo IMPORTANT: GC engine.  This GC engine is currently not supported
2686         echo IMPORTANT: and is not yet ready for use.  
2687         echo IMPORTANT:
2688         echo IMPORTANT: There are known problems with it, use at your own risk.
2691 if test x$enable_llvm = xyes; then
2692    echo IMPORTANT:
2693    echo IMPORTANT: The LLVM Back End is experimental and does not work yet.
2694    echo IMPORTANT: