2004-12-07 Zoltan Varga <vargaz@freemail.hu>
[mono.git] / configure.in
1 AC_INIT(README)
2 AC_CANONICAL_SYSTEM
3
4 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
5 # The extra brackets are to foil regex-based scans.
6 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-pax])])
7
8 AM_CONFIG_HEADER(config.h)
9 AM_INIT_AUTOMAKE(mono,1.1.2.99)
10 AM_MAINTAINER_MODE
11
12 AC_PROG_LN_S
13
14 # In case of cygwin, override LN_S, irrespective of what it determines.
15 # The build uses cygwin, but the actual runtime doesn't.
16 case $host_os in
17 *cygwin* ) LN_S='cp -p';;
18 esac
19
20
21 dnl
22 dnl libgc checks
23 dnl
24
25 gc_headers=no
26 gc=included
27 use_included_gc=no
28
29 if test -d $srcdir/libgc ; then
30   gc_default=included
31 else
32   gc_default=boehm
33 fi
34
35 #
36 # These are the flags that need to be stored in the mono.pc file for 
37 # compiling code that will embed Mono
38 #
39 libmono_cflags=""
40 libmono_ldflags=""
41 AC_SUBST(libmono_cflags)
42 AC_SUBST(libmono_ldflags)
43
44 dnl if linker handles the version script
45 no_version_script=no
46
47 # Set to yes if Unix sockets cannot be created in an anonymous namespace
48 need_link_unlink=no
49
50 # Thread configuration inspired by sleepycat's db
51 AC_MSG_CHECKING([host platform characteristics])
52 libgc_threads=no
53 case "$host" in
54         *-*-mingw*|*-*-cygwin*)
55                 platform_win32=yes
56                 AC_DEFINE(PLATFORM_WIN32,1,[Platform is Win32])
57                 CC="gcc -mno-cygwin -g"
58                 HOST_CC="gcc"
59                 # So libgc configure gets -mno-cygwin
60                 export CC
61 # latest libgc already defines GC_WIN32_THREADS
62 #               CPPFLAGS="$CPPFLAGS -DGC_WIN32_THREADS -DWIN32_THREADS"
63                 CPPFLAGS="$CPPFLAGS -DWIN32_THREADS"
64                 libdl=
65                 libgc_threads=win32
66                 gc_default=included
67                 with_nptl=default
68                 with_sigaltstack=no
69                 LN_S=cp
70                 ;;
71         *-*-*netbsd*)
72                 platform_win32=no
73                 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
74                 libmono_cflags="-D_REENTRANT"
75                 LDFLAGS="$LDFLAGS -pthread"
76                 libmono_ldflags="-pthread"
77                 need_link_unlink=yes
78                 libdl=
79                 libgc_threads=no
80                 ;;
81 # these flags will work for all versions of -STABLE
82 #
83         *-*-*freebsd4*)
84                 platform_win32=no
85                 if test "x$PTHREAD_CFLAGS" = "x"; then
86                         CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
87                         libmono_cflags="-D_THREAD_SAFE"
88                 else
89                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
90                         libmono_cflags="$PTHREAD_CFLAGS"
91                 fi
92                 if test "x$PTHREAD_LIBS" = "x"; then
93                         LDFLAGS="$LDFLAGS -pthread"
94                         libmono_ldflags="-pthread"
95                 else
96                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
97                         libmono_ldflags="$PTHREAD_LIBS"
98                 fi
99                 need_link_unlink=yes
100                 AC_DEFINE(PTHREAD_POINTER_ID)
101                 libdl=
102                 libgc_threads=pthreads
103 # TLS isn't implemented at all on -STABLE
104                 with_nptl=no
105                 with_tls=pthread
106                 ;;
107 # older versions of -CURRENT will break with these flags but testing
108 # indicates these older versions won't run Mono anyway
109 #
110         *-*-*freebsd5*)
111                 platform_win32=no
112                 if test "x$PTHREAD_CFLAGS" = "x"; then
113                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
114                         libmono_cflags=
115                 else
116                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
117                         libmono_cflags="$PTHREAD_CFLAGS"
118                 fi
119                 if test "x$PTHREAD_LIBS" = "x"; then
120                         LDFLAGS="$LDFLAGS -lpthread"
121                         libmono_ldflags="-lpthread"
122                 else
123                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
124                         libmono_ldflags="$PTHREAD_LIBS"
125                 fi
126                 need_link_unlink=yes
127                 AC_DEFINE(PTHREAD_POINTER_ID)
128                 libdl=
129                 libgc_threads=pthreads
130 # TLS is only partially implemented on -CURRENT (compiler support
131 # but NOT library support)
132 #
133                 with_nptl=no
134                 with_tls=pthread
135                 ;;
136         *-*-*openbsd*)
137                 platform_win32=no
138                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
139                 libmono_cflags="-D_THREAD_SAFE"
140                 LDFLAGS="$LDFLAGS -pthread"
141                 libmono_ldflags="-pthread"
142                 need_link_unlink=yes
143                 AC_DEFINE(PTHREAD_POINTER_ID)
144                 libdl=
145                 libgc_threads=pthreads
146                 ;;
147         *-*-linux*)
148                 platform_win32=no
149                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT"
150                 libmono_cflags="-D_REENTRANT"
151                 libmono_ldflags="-lpthread"
152                 libdl="-ldl"
153                 libgc_threads=pthreads
154                 ;;
155         *-*-hpux*)
156                 platform_win32=no
157                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
158                 CFLAGS="$CFLAGS +ESdbgasm"
159                 LDFLAGS="$LDFLAGS -z"
160                 libmono_cflags="-D_REENTRANT"
161                 libmono_ldflags="-lpthread"
162                 libgc_threads=pthreads
163                 need_link_unlink=yes
164                 ;;
165         *-*-solaris*)
166                 platform_win32=no
167                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT"
168                 need_link_unlink=yes
169                 libmono_cflags="-D_REENTRANT"
170                 libgc_threads=pthreads
171                 ;;
172         *-*-darwin*)
173                 platform_win32=no
174                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS"
175                 libmono_cflags="-D_THREAD_SAFE"
176                 LDFLAGS="$LDFLAGS -pthread"
177                 libmono_ldflags="-pthread"
178                 need_link_unlink=yes
179                 AC_DEFINE(PTHREAD_POINTER_ID)
180                 AC_DEFINE(USE_MACH_SEMA)
181                 no_version_script=yes
182                 libdl=
183                 libgc_threads=pthreads
184                 ;;
185         *)
186                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
187                 platform_win32=no
188                 libdl="-ldl"
189                 ;;
190 esac
191 AC_MSG_RESULT(ok)
192
193 if test x$need_link_unlink = xyes; then
194    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
195 fi
196
197 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
198
199 AC_CHECK_TOOL(CC, gcc, gcc)
200 AC_PROG_CC
201 AM_PROG_CC_STDC
202 AC_PROG_INSTALL
203 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
204 : ${CCAS='$(CC)'}
205 # Set ASFLAGS if not already set.
206 : ${CCASFLAGS='$(CFLAGS)'}
207 AC_SUBST(CCAS)
208 AC_SUBST(CCASFLAGS)
209
210 AC_CHECK_PROG(BISON, bison,yes,no)
211 if test "x$BISON" = "xno";
212 then
213         AC_MSG_ERROR([You need to install bison])
214 fi
215
216 dnl may require a specific autoconf version
217 dnl AC_PROG_CC_FOR_BUILD
218 dnl CC_FOR_BUILD not automatically detected
219 CC_FOR_BUILD=$CC
220 BUILD_EXEEXT=
221 if test "x$cross_compiling" = "xyes"; then
222         CC_FOR_BUILD=cc
223         BUILD_EXEEXT=""
224 fi
225 AC_SUBST(CC_FOR_BUILD)
226 AC_SUBST(HOST_CC)
227 AC_SUBST(BUILD_EXEEXT)
228
229 # Set STDC_HEADERS
230 AC_HEADER_STDC
231 AC_LIBTOOL_WIN32_DLL
232 AM_PROG_LIBTOOL
233
234 # Test whenever ld supports -version-script
235 AC_PROG_LD
236 AC_PROG_LD_GNU
237 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
238    no_version_script=yes
239 fi
240
241 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
242
243 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h semaphore.h sys/un.h)
244
245 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
246
247 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
248
249 # for mono/metadata/debug-symfile.c
250 AC_CHECK_HEADERS(elf.h)
251
252 # for mono/dis
253 AC_CHECK_HEADERS(wchar.h)
254
255 # not 64 bit clean in cross-compile
256 AC_CHECK_SIZEOF(void *, 4)
257
258 WARN=''
259 if test x"$GCC" = xyes; then
260         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wcast-align -Wwrite-strings'
261                 # The runtime code does not respect ANSI C strict aliasing rules
262                 CFLAGS="$CFLAGS -fno-strict-aliasing"
263 else
264         # The Sun Forte compiler complains about inline functions that access static variables
265         # so disable all inlining.
266         case "$host" in
267         *-*-solaris*)
268                 CFLAGS="$CFLAGS -Dinline="
269                 ;;
270         esac
271 fi
272 CFLAGS="$CFLAGS -g $WARN"
273
274 # Where's the 'mcs' source tree?
275 if test -d $srcdir/mcs; then
276   mcsdir=mcs
277 else
278   mcsdir=../mcs
279 fi
280
281 mcs_topdir='$(top_srcdir)/'$mcsdir
282 mcs_topdir_from_srcdir='$(top_builddir)/'$mcsdir
283
284 AC_SUBST([mcs_topdir])
285 AC_SUBST([mcs_topdir_from_srcdir])
286
287 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
288 if test "x$PKG_CONFIG" = "xno"; then
289         AC_MSG_ERROR([You need to install pkg-config])
290 fi
291
292 dnl for use on the build system
293 dnl pkg-config is stupid
294 BUILD_GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
295 BUILD_GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
296 AC_SUBST(BUILD_GLIB_CFLAGS)
297 AC_SUBST(BUILD_GLIB_LIBS)
298
299 PKG_PATH=
300 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir],
301         if test x$with_crosspkgdir = "x"; then
302                 if test -s $PKG_CONFIG_PATH; then
303                         PKG_PATH=$PKG_CONFIG_PATH
304                 fi
305         else
306                 PKG_PATH=$with_crosspkgdir
307                 PKG_CONFIG_PATH=$PKG_PATH
308                 export PKG_CONFIG_PATH
309         fi
310 )
311
312 ## Versions of dependencies
313 GLIB_REQUIRED_VERSION=1.3.11
314
315 PKG_CHECK_MODULES(BASE_DEPENDENCIES, glib-2.0 >= $GLIB_REQUIRED_VERSION)
316
317 GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
318 GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
319 GMODULE_CFLAGS=`$PKG_CONFIG --cflags gmodule-2.0`
320 GMODULE_LIBS=`$PKG_CONFIG --libs gmodule-2.0`
321
322 AC_SUBST(GLIB_CFLAGS)
323 AC_SUBST(GLIB_LIBS)
324 AC_SUBST(GMODULE_CFLAGS)
325 AC_SUBST(GMODULE_LIBS)
326
327 if test x$platform_win32 = xyes; then   
328    AC_MSG_CHECKING(for cygwin glib2-dev package)
329    if [ cygcheck --f /usr/lib/libglib-2.0.dll.a | grep -q glib2-devel ]; then
330       AC_MSG_RESULT(found)
331           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.])
332    else
333       AC_MSG_RESULT(not found, ok)
334    fi
335
336    AC_MSG_CHECKING(for broken gwin32.h)
337    glib_include=`$PKG_CONFIG --cflags-only-I glib-2.0 | sed -e 's/ -I.*//g' | sed -e 's/-I//g'`
338    if test -f $glib_include/glib/gwin32.h; then
339           if [ grep ftruncate $glib_include/glib/gwin32.h | grep -q define ]; then
340                  AC_MSG_RESULT(failed)
341                  hashmark='#'
342                  AC_MSG_ERROR([Your version of gwin32.h is broken and will cause compilation errors when building mono. Please fix it by deleting the line: '$hashmark   define ftruncate...' from '$glib_include/glib/gwin32.h' then re-run configure.])
343           fi
344    fi
345    AC_MSG_RESULT(ok)
346 fi
347
348 AC_ARG_WITH(gc, [  --with-gc=boehm,included,none],[gc=$with_gc],[gc=$gc_default])
349
350 # Enable support for fast thread-local storage
351 # Some systems have broken support, so we allow to disable it.
352 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread       select Thread Local Storage implementation],[],[with_tls=__thread])
353
354 # Kept for compatibility
355 AC_ARG_WITH(nptl, [  --with-nptl=yes,no      deprecated, use --with-tls instead],[],[with_nptl=default])
356
357 if test "x$with_nptl" != "xdefault"; then
358    if test "x$with_nptl" = "xyes"; then
359       AC_MSG_WARN([--with-nptl=yes is deprecated, use --with-tls=__thread option instead.])
360           with_tls=__thread
361    fi
362    if test "x$with_nptl" = "xno"; then
363       AC_MSG_WARN([--with-nptl=no is deprecated, use --with-tls=pthread option instead.])
364           with_tls=pthread
365    fi
366 fi
367
368 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
369 # This does not work on some platforms (bug #55253)
370 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack],[],[with_sigaltstack=no])
371
372 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster)],[],[with_static_mono=yes])
373
374 if test "x$enable_static" = "xno"; then
375    with_static_mono=no
376 fi
377
378 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
379
380 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
381   LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, reflection_emit.],
382 [
383         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
384                 eval "mono_feature_disable_$feature='yes'"
385                 AC_MSG_NOTICE([Disabled support for feature: $feature])
386         done
387 ],[])
388
389 if test "x$mono_feature_disable_aot" = "xyes"; then
390         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT support])
391 fi
392
393 if test "x$mono_feature_disable_profiler" = "xyes"; then
394         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
395 fi
396
397 if test "x$mono_feature_disable_decimal" = "xyes"; then
398         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
399 fi
400
401 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
402         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
403 fi
404
405 if test "x$mono_feature_disable_debug" = "xyes"; then
406         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
407 fi
408
409 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
410         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
411 fi
412
413 LIBGC_CFLAGS=
414 LIBGC_LIBS=
415 LIBGC_STATIC_LIBS=
416 libgc_dir=
417 case "x$gc" in
418         xboehm|xbohem|xyes)
419                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
420                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
421
422                 if test "x$found_boehm" != "xyes"; then
423                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
424                 fi
425                 if test "x$gc_headers" != "xyes"; then
426                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
427                 fi
428
429                 AC_DEFINE(HAVE_BOEHM_GC)
430                 AC_SUBST(HAVE_BOEHM_GC)
431                 LIBGC_LIBS="-lgc $libdl"
432                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
433
434                 # AC_CHECK_FUNCS does not work for some reason...
435                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
436                 if test "x$found_gcj_malloc" = "xyes"; then
437                         AC_DEFINE(HAVE_GC_GCJ_MALLOC)
438                 fi
439                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
440                 if test "x$found_gc_enable" = "xyes"; then
441                         AC_DEFINE(HAVE_GC_ENABLE)
442                 fi
443                 ;;
444
445         xincluded)
446                 AC_CONFIG_SUBDIRS(libgc)
447
448                 found_boehm=yes
449                 gc_headers=yes
450                 use_included_gc=yes
451                 libgc_dir=libgc
452
453                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
454                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
455                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
456
457                 AC_DEFINE(HAVE_BOEHM_GC)
458                 AC_SUBST(HAVE_BOEHM_GC)
459
460                 AC_DEFINE(HAVE_GC_H)
461                 AC_DEFINE(USE_INCLUDED_LIBGC)
462
463                 # The included libgc contains GCJ support
464                 AC_DEFINE(HAVE_GC_GCJ_MALLOC)
465                 AC_DEFINE(HAVE_GC_ENABLE)
466                 ;;
467
468         xnone)
469                 AC_MSG_WARN("Compiling mono without GC.")
470                 ;;
471         *)
472                 AC_MSG_ERROR([Invalid argument to --with-gc.])
473                 ;;
474 esac
475
476
477 # tell libgc/configure about what we want
478 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads"
479
480 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
481 AC_SUBST(LIBGC_CFLAGS)
482 AC_SUBST(LIBGC_LIBS)
483 AC_SUBST(LIBGC_STATIC_LIBS)
484 AC_SUBST(libgc_dir)
485
486 dnl
487 dnl End of libgc checks
488 dnl
489
490 if test x$platform_win32 = xno; then
491
492         dnl ******************************************************************
493         dnl *** Checks for the IKVM JNI interface library                  ***
494         dnl ******************************************************************
495         AC_ARG_WITH(ikvm-jni, [  --with-ikvm-jni=yes,no  build the IKVM JNI interface library],[with_ikvm_jni=$withval],[with_ikvm_jni=yes])
496         AC_ARG_WITH(jdk, [  --with-jdk=DIRECTORY    Use JDK from DIRECTORY],[with_jdk_dir=$withval],[with_jdk_dir=])
497
498         ikvm_jni_dir=
499         if test x$with_ikvm_jni = xyes; then
500                 AC_MSG_CHECKING([JDK headers])
501
502                 if test x$with_jdk_dir = x; then
503                         # Try JAVA_HOME variable
504                         if test x$JAVA_HOME != x; then
505                                 with_jdk_dir=$JAVA_HOME
506                         fi
507                 fi
508         
509                 jdk_platform=
510                 if test -d $with_jdk_dir/include; then
511                         jdk_headers_found=yes
512
513                         if test -d $with_jdk_dir/include/linux; then
514                                 jdk_platform=linux
515                         else
516                         if test -d $with_jdk_dir/include/solaris; then
517                                 jdk_platform=solaris
518                         else
519                         if test -f $with_jdk_dir/include/jni_md.h; then
520                                 # GNU Classpath sources
521                                 jdk_platform=
522                         else
523                                 jdk_headers_found=no
524                         fi
525                         fi
526                         fi
527                 else
528                         jdk_headers_found=no
529                 fi
530
531                 if test x$jdk_headers_found = xyes; then
532                         AC_MSG_RESULT($with_jdk_dir/include $with_jdk_dir/include/$jdk_platform)
533                 else
534                         AC_MSG_RESULT(not found)
535                 fi
536
537                 if test x$jdk_headers_found = xyes; then
538                         ikvm_jni_dir=ikvm-jni
539                         IKVM_JNI_CFLAGS="-I$with_jdk_dir/include -I$with_jdk_dir/include/$jdk_platform"
540                 fi
541         fi
542
543         AC_SUBST(ikvm_jni_dir)
544         AC_SUBST(IKVM_JNI_CFLAGS)
545
546         AC_CHECK_FUNCS(getgrgid_r)
547         AC_CHECK_FUNCS(getgrnam_r)
548         AC_CHECK_FUNCS(getpwnam_r)
549         AC_CHECK_FUNCS(getpwuid_r)
550         AC_CHECK_FUNCS(getresuid)
551         AC_CHECK_FUNCS(setresuid)
552         AC_CHECK_FUNCS(kqueue)
553
554         dnl ******************************************************************
555         dnl *** Check for large file support                               ***
556         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
557         dnl ******************************************************************
558         
559         # Check that off_t can represent 2**63 - 1 correctly, working around
560         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
561         # CPPFLAGS and sets $large_offt to yes if the test succeeds
562         large_offt=no
563         AC_DEFUN(LARGE_FILES, [
564                 large_CPPFLAGS=$CPPFLAGS
565                 CPPFLAGS="$CPPFLAGS $1"
566                 AC_TRY_RUN([
567                         #include <sys/types.h>
568
569                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
570
571                         int main(void) {
572                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
573                                                (BIG_OFF_T%2147483647==1));
574                                 if(big_off_t) {
575                                         exit(0);
576                                 } else {
577                                         exit(1);
578                                 }
579                         }
580                 ], [
581                         AC_MSG_RESULT(ok)
582                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT)
583                         large_CPPFLAGS="$large_CPPFLAGS $1"
584                         large_offt=yes
585                 ], [
586                         AC_MSG_RESULT(no)
587                 ], "")
588                 CPPFLAGS=$large_CPPFLAGS
589         ])
590
591         AC_MSG_CHECKING(if off_t is 64 bits wide)
592         LARGE_FILES("")
593         if test $large_offt = no; then
594                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
595                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
596         fi
597         if test $large_offt = no; then
598                 AC_MSG_WARN([No 64 bit file size support available])
599         fi
600         
601         dnl *****************************
602         dnl *** Checks for libsocket  ***
603         dnl *****************************
604         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
605
606         dnl *******************************
607         dnl *** Checks for MSG_NOSIGNAL ***
608         dnl *******************************
609         AC_MSG_CHECKING(for MSG_NOSIGNAL)
610         AC_TRY_COMPILE([#include <sys/socket.h>], [
611                 int f = MSG_NOSIGNAL;
612         ], [
613                 # Yes, we have it...
614                 AC_MSG_RESULT(yes)
615                 AC_DEFINE(HAVE_MSG_NOSIGNAL)
616         ], [
617                 # We'll have to use signals
618                 AC_MSG_RESULT(no)
619         ])
620
621         dnl *****************************
622         dnl *** Checks for SOL_IP     ***
623         dnl *****************************
624         AC_MSG_CHECKING(for SOL_IP)
625         AC_TRY_COMPILE([#include <netdb.h>], [
626                 int level = SOL_IP;
627         ], [
628                 # Yes, we have it...
629                 AC_MSG_RESULT(yes)
630                 AC_DEFINE(HAVE_SOL_IP)
631         ], [
632                 # We'll have to use getprotobyname
633                 AC_MSG_RESULT(no)
634         ])
635
636         dnl *****************************
637         dnl *** Checks for SOL_IPV6     ***
638         dnl *****************************
639         AC_MSG_CHECKING(for SOL_IPV6)
640         AC_TRY_COMPILE([#include <netdb.h>], [
641                 int level = SOL_IPV6;
642         ], [
643                 # Yes, we have it...
644                 AC_MSG_RESULT(yes)
645                 AC_DEFINE(HAVE_SOL_IPV6)
646         ], [
647                 # We'll have to use getprotobyname
648                 AC_MSG_RESULT(no)
649         ])
650
651         dnl *****************************
652         dnl *** Checks for SOL_TCP    ***
653         dnl *****************************
654         AC_MSG_CHECKING(for SOL_TCP)
655         AC_TRY_COMPILE([#include <netdb.h>], [
656                 int level = SOL_TCP;
657         ], [
658                 # Yes, we have it...
659                 AC_MSG_RESULT(yes)
660                 AC_DEFINE(HAVE_SOL_TCP)
661         ], [
662                 # We'll have to use getprotobyname
663                 AC_MSG_RESULT(no)
664         ])
665
666         dnl *****************************
667         dnl *** Checks for IP_PKTINFO ***
668         dnl *****************************
669         AC_MSG_CHECKING(for IP_PKTINFO)
670         AC_TRY_COMPILE([#include <netdb.h>], [
671                 int level = IP_PKTINFO;
672         ], [
673                 # Yes, we have it...
674                 AC_MSG_RESULT(yes)
675                 AC_DEFINE(HAVE_IP_PKTINFO)
676         ], [
677                 AC_MSG_RESULT(no)
678         ])
679
680         dnl *********************************
681         dnl *** Check for struct ip_mreqn ***
682         dnl *********************************
683         AC_MSG_CHECKING(for struct ip_mreqn)
684         AC_TRY_COMPILE([#include <netinet/in.h>], [
685                 struct ip_mreqn mreq;
686                 mreq.imr_address.s_addr = 0;
687         ], [
688                 # Yes, we have it...
689                 AC_MSG_RESULT(yes)
690                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
691         ], [
692                 # We'll just have to try and use struct ip_mreq
693                 AC_MSG_RESULT(no)
694                 AC_MSG_CHECKING(for struct ip_mreq)
695                 AC_TRY_COMPILE([#include <netinet/in.h>], [
696                         struct ip_mreq mreq;
697                         mreq.imr_interface.s_addr = 0;
698                 ], [
699                         # Yes, we have it...
700                         AC_MSG_RESULT(yes)
701                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
702                 ], [
703                         # No multicast support
704                         AC_MSG_RESULT(no)
705                 ])
706         ])
707         
708         dnl **********************************
709         dnl *** Check for gethostbyname2_r ***
710         dnl **********************************
711         AC_MSG_CHECKING(for gethostbyname2_r)
712                 AC_TRY_LINK([#include <netdb.h>], [
713                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
714         ], [
715                 # Yes, we have it...
716                 AC_MSG_RESULT(yes)
717                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R)
718         ], [
719                 AC_MSG_RESULT(no)
720         ])
721
722         dnl *****************************
723         dnl *** Checks for libnsl     ***
724         dnl *****************************
725         AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl")
726
727         AC_CHECK_FUNCS(inet_pton inet_aton)
728
729         dnl ***********************************************
730         dnl *** Checks for size of sockaddr_un.sun_path ***
731         dnl ***********************************************
732         # AC_CHECK_SIZEOF can't cope with struct members :-(
733         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
734         AC_CACHE_VAL(cv_mono_sizeof_sunpath,
735                 [AC_TRY_RUN([
736                         #include <sys/types.h>
737                         #include <stdio.h>
738                         #include <sys/un.h>
739
740                         int main(void) {
741                                 struct sockaddr_un sock_un;
742                                 FILE *f=fopen("conftestval", "w");
743                                 if(!f) exit(1);
744                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
745                                 exit(0);
746                         }
747                 ], cv_mono_sizeof_sunpath=`cat conftestval`,
748                    cv_mono_sizeof_sunpath=0,
749                    cv_mono_sizeof_sunpath=0)])dnl
750         AC_MSG_RESULT($cv_mono_sizeof_sunpath)
751         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $cv_mono_sizeof_sunpath)
752
753         dnl *************************************
754         dnl *** Checks for zero length arrays ***
755         dnl *************************************
756         AC_MSG_CHECKING(whether $CC supports zero length arrays)
757         AC_TRY_COMPILE([
758                 struct s {
759                         int  length;
760                         char data [0];
761                 };
762         ], [], [
763                 AC_MSG_RESULT(yes)
764                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0)
765         ], [
766                 AC_MSG_RESULT(no)
767                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1)
768         ])
769
770         dnl *****************************
771         dnl *** Checks for libxnet    ***
772         dnl *****************************
773         case "${host}" in
774                 *solaris* )
775                         AC_MSG_CHECKING(for Solaris XPG4 support)
776                         if test -f /usr/lib/libxnet.so; then
777                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
778                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
779                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
780                                 LIBS="$LIBS -lxnet"
781                                 AC_MSG_RESULT(yes)
782                         else
783                                 AC_MSG_RESULT(no)
784                         fi
785
786                         if test "$GCC" = "yes"; then
787                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
788                         fi
789                 ;;
790         esac
791
792         dnl *****************************
793         dnl *** Checks for libpthread ***
794         dnl *****************************
795 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
796 # and libpthread does not exist
797 #
798         case "${host}" in
799                 *-*-*freebsd4*)
800                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
801                 ;;
802                 *)
803                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
804                 ;;
805         esac
806         AC_CHECK_HEADERS(pthread.h)
807         AC_CHECK_FUNCS(pthread_mutex_timedlock)
808         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
809         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
810         AC_TRY_COMPILE([ #include <pthread.h>], [
811                 pthread_mutexattr_t attr;
812                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
813         ], [
814                 AC_MSG_RESULT(ok)
815         ], [
816                 AC_MSG_RESULT(no)
817                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
818                 AC_DEFINE(USE_MONO_MUTEX)
819         ])
820         AC_CHECK_FUNCS(pthread_attr_setstacksize)
821
822         dnl ***********************************
823         dnl *** Checks for working __thread ***
824         dnl ***********************************
825         AC_MSG_CHECKING(for working __thread)
826         if test "x$with_tls" != "x__thread"; then
827                 AC_MSG_RESULT(disabled)
828         else
829                 AC_TRY_RUN([
830                         #include <pthread.h>
831
832                         __thread int i;
833                         static int res1, res2;
834
835                         void thread_main (void *arg)
836                         {
837                                 i = arg;
838                                 sleep (1);
839                                 if (arg == 1)
840                                         res1 = (i == arg);
841                                 else
842                                         res2 = (i == arg);
843                         }
844
845                         int main () {
846                                 pthread_t t1, t2;
847
848                                 i = 5;
849
850                                 pthread_create (&t1, NULL, thread_main, 1);
851                                 pthread_create (&t2, NULL, thread_main, 2);
852
853                                 pthread_join (t1, NULL);
854                                 pthread_join (t2, NULL);
855
856                                 return !(res1 + res2 == 2);
857                         }
858                 ], [
859                                 AC_MSG_RESULT(yes)
860                 ], [
861                                 AC_MSG_RESULT(no)
862                                 with_tls=pthread
863                 ])
864         fi
865
866         dnl **************************************
867         dnl *** Checks for working sigaltstack ***
868         dnl **************************************
869         AC_MSG_CHECKING(for working sigaltstack)
870         if test "x$with_sigaltstack" != "xyes"; then
871                 AC_MSG_RESULT(disabled)
872         else
873                 AC_TRY_RUN([
874                         #include <stdio.h>
875                         #include <stdlib.h>
876                         #include <unistd.h>
877                         #include <signal.h>
878                         #include <pthread.h>
879                         #include <sys/wait.h>
880
881                         static void
882                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
883                         {
884                                 exit (0);
885                         }
886
887                         static void *
888                         loop (void *ignored)
889                         {
890                                 char *ptr = NULL;
891
892                                 *ptr = 0;
893                                 return NULL;
894                         }
895
896                         static void
897                         child ()
898                         {
899                                 struct sigaction sa;
900                                 struct sigaltstack sas;
901                                 pthread_t id;
902                                 pthread_attr_t attr;
903
904                                 sa.sa_sigaction = sigsegv_signal_handler;
905                                 sigemptyset (&sa.sa_mask);
906                                 sa.sa_flags = SA_SIGINFO | SA_STACK;
907                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
908                                         perror ("lala");
909                                         return;
910                                 }
911
912                                 sas.ss_sp = malloc (SIGSTKSZ);
913                                 sas.ss_size = SIGSTKSZ;
914                                 sas.ss_flags = SS_ONSTACK;
915                                 if (sigaltstack (&sas, NULL) == -1) {
916                                         perror ("lala");
917                                         return;
918                                 }
919
920                                 pthread_attr_init (&attr);
921                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
922                                         printf ("failed\n");
923                                         return;
924                                 }
925
926                                 sleep (100);
927                         }
928
929                         int
930                         main ()
931                         {
932                                 pid_t son;
933                                 int status;
934                                 int i;
935
936                                 son = fork ();
937                                 if (son == -1) {
938                                         return 1;
939                                 }
940
941                                 if (son == 0) {
942                                         child ();
943                                         return 0;
944                                 }
945
946                                 for (i = 0; i < 3; ++i) {
947                                         sleep (1);
948                                         waitpid (son, &status, WNOHANG);
949                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
950                                                 return 0;
951                                 }
952
953                                 kill (son, SIGKILL);
954                                 return 1;
955                         }
956
957                 ], [
958                                 AC_MSG_RESULT(yes)
959                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK)
960                 ], [
961                                 with_sigaltstack=no
962                                 AC_MSG_RESULT(no)
963                 ])
964         fi
965
966         dnl ********************************
967         dnl *** Checks for semaphore lib ***
968         dnl ********************************
969         # 'Real Time' functions on Solaris
970         # posix4 on Solaris 2.6
971         # pthread (first!) on Linux
972         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
973
974         dnl ********************************
975         dnl *** Checks for timezone stuff **
976         dnl ********************************
977         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
978                 AC_TRY_COMPILE([
979                         #include <time.h>
980                         ], [
981                         struct tm tm;
982                         tm.tm_gmtoff = 1;
983                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
984         if test $ac_cv_struct_tm_gmtoff = yes; then
985                 AC_DEFINE(HAVE_TM_GMTOFF)
986         else
987                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
988                         AC_TRY_COMPILE([
989                                 #include <time.h>
990                         ], [
991                                 timezone = 1;
992                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
993                 if test $ac_cv_var_timezone = yes; then
994                         AC_DEFINE(HAVE_TIMEZONE)
995                 else
996                         AC_ERROR(unable to find a way to determine timezone)
997                 fi
998         fi
999
1000         dnl *********************************
1001         dnl *** Checks for math functions ***
1002         dnl *********************************
1003         LIBS="$LIBS -lm";
1004         AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1005                 AC_TRY_LINK([#include <math.h>], 
1006                 [ finite(0.0); ], 
1007                 AC_DEFINE(HAVE_FINITE) AC_MSG_RESULT(yes),
1008                 AC_MSG_RESULT(no)))
1009         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1010                 AC_TRY_LINK([#include <math.h>], 
1011                 [ isfinite(0.0); ], 
1012                 AC_DEFINE(HAVE_ISFINITE) AC_MSG_RESULT(yes),
1013                 AC_MSG_RESULT(no)))
1014
1015         dnl ****************************************************************
1016         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1017         dnl *** have it in the library (duh))                            ***
1018         dnl ****************************************************************
1019         AC_CHECK_FUNCS(poll)
1020
1021         dnl *************************
1022         dnl *** Check for signbit ***
1023         dnl *************************
1024         AC_MSG_CHECKING(for signbit)
1025         AC_TRY_LINK([#include <math.h>], [
1026                 int s = signbit(1.0);
1027         ], [
1028                 AC_MSG_RESULT(yes)
1029                 AC_DEFINE(HAVE_SIGNBIT)
1030         ], [
1031                 AC_MSG_RESULT(no)
1032         ]) 
1033
1034         dnl *********************
1035         dnl *** Check for AIO ***
1036         dnl *********************
1037         AC_MSG_CHECKING([for SIGEV_THREAD definition])
1038         dnl Some systems (FreeBSD at least) may have aio_read
1039         dnl but don't support/define SIGEV_THREAD.
1040         AC_TRY_COMPILE([
1041         #include <sys/signal.h>
1042         ],[
1043         int x = SIGEV_THREAD;
1044         ],[
1045                 ac_cv_c_sigev_thread=yes
1046                 AC_MSG_RESULT(yes)
1047         ],[
1048                 AC_MSG_RESULT(no)
1049         ])
1050
1051         if test "$ac_cv_c_sigev_thread" = "yes" ; then
1052                 AC_CHECK_HEADERS(aio.h sys/aio.h)
1053                 AC_CHECK_LIB(rt, aio_read, [ LIBS="$LIBS -lrt" ],)
1054                 SIGVAL_PTR="undefined"
1055                 if test "$ac_cv_header_aio_h" = "yes" -o "$ac_cv_header_sys_aio_h" = "yes" ; then
1056                         AC_CHECK_MEMBER(union sigval.sigval_ptr,SIGVAL_PTR="sigval_ptr",, [
1057                                         #include <sys/signal.h>
1058                                         ])
1059                         AC_CHECK_MEMBER(union sigval.sival_ptr,SIGVAL_PTR="sival_ptr",, [
1060                                         #include <sys/signal.h>
1061                                         ])
1062                         if test "$SIGVAL_PTR" = "undefined" ; then
1063                                 AC_MSG_ERROR([Unable to detect field name in 'union sigval'])
1064                         fi
1065                 fi
1066                 AC_DEFINE_UNQUOTED(SIGVAL_PTR,$SIGVAL_PTR,[Pointer field name in 'union sigval'])
1067         fi
1068
1069         dnl **********************************
1070         dnl *** Checks for MonoPosixHelper ***
1071         dnl **********************************
1072         AC_CHECK_FUNCS(posix_fadvise)
1073         AC_CHECK_FUNCS(posix_madvise)
1074         AC_CHECK_FUNCS(posix_fallocate)
1075         AC_CHECK_FUNCS(fgetgrent)
1076         AC_CHECK_FUNCS(fgetpwent)
1077         AC_CHECK_FUNCS(fgetpwent)
1078         AC_CHECK_HEADERS(sys/sendfile.h)
1079         AC_CHECK_FUNCS(sendfile)
1080         AC_CHECK_FUNCS(sethostid)
1081         AC_CHECK_FUNCS(stime)
1082         AC_CHECK_FUNCS(strerror_r)
1083         AC_CHECK_FUNCS(ttyname_r)
1084         AC_CHECK_SIZEOF(size_t)
1085         AC_CHECK_MEMBERS(
1086                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
1087                 [#include <sys/types.h>
1088                  #include <dirent.h>])
1089 else
1090         jdk_headers_found=no
1091         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1092         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1093         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1094
1095         dnl *********************************
1096         dnl *** Check for struct ip_mreqn ***
1097         dnl *********************************
1098         AC_MSG_CHECKING(for struct ip_mreqn)
1099         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1100                 struct ip_mreqn mreq;
1101                 mreq.imr_address.s_addr = 0;
1102         ], [
1103                 # Yes, we have it...
1104                 AC_MSG_RESULT(yes)
1105                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1106         ], [
1107                 # We'll just have to try and use struct ip_mreq
1108                 AC_MSG_RESULT(no)
1109                 AC_MSG_CHECKING(for struct ip_mreq)
1110                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1111                         struct ip_mreq mreq;
1112                         mreq.imr_interface.s_addr = 0;
1113                 ], [
1114                         # Yes, we have it...
1115                         AC_MSG_RESULT(yes)
1116                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1117                 ], [
1118                         # No multicast support
1119                         AC_MSG_RESULT(no)
1120                 ])
1121         ])
1122 fi
1123
1124 dnl socklen_t check
1125 AC_MSG_CHECKING(for socklen_t)
1126 AC_TRY_COMPILE([
1127 #include <sys/types.h>
1128 #include <sys/socket.h>
1129 ],[
1130   socklen_t foo;
1131 ],[
1132 ac_cv_c_socklen_t=yes
1133         AC_DEFINE(HAVE_SOCKLEN_T)
1134         AC_MSG_RESULT(yes)
1135 ],[
1136         AC_MSG_RESULT(no)
1137 ])
1138
1139 AC_MSG_CHECKING(for array element initalizer support)
1140 AC_TRY_COMPILE([#include <sys/socket.h>], [
1141         const int array[] = {[1] = 2,};
1142 ], [
1143         # Yes, we have it...
1144         AC_MSG_RESULT(yes)
1145         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1146 ], [
1147         # We'll have to use signals
1148         AC_MSG_RESULT(no)
1149 ])
1150
1151 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1152         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1153         AC_TRY_LINK([#include <math.h>], 
1154         [ static void *p = &trunc; ],
1155         [
1156                 AC_DEFINE(HAVE_TRUNC) 
1157                 AC_MSG_RESULT(yes)
1158                 ac_cv_trunc=yes
1159         ],
1160         AC_MSG_RESULT(no)))
1161
1162 if test "x$ac_cv_truncl" != "xyes"; then
1163    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL) LIBS="$LIBS -lsunmath"])
1164 fi
1165
1166 dnl ****************************
1167 dnl *** Look for /dev/random ***
1168 dnl ****************************
1169
1170 AC_MSG_CHECKING([if usage of random device is requested])
1171 AC_ARG_ENABLE(dev-random,
1172 [  --disable-dev-random    disable the use of the random device],
1173 try_dev_random=$enableval, try_dev_random=yes)
1174 AC_MSG_RESULT($try_dev_random)
1175
1176 case "{$target}" in
1177     *-openbsd*)
1178     NAME_DEV_RANDOM="/dev/srandom"
1179     ;;
1180
1181 dnl Win32 does not have /dev/random, they have their own method...
1182
1183     *-*-mingw*|*-*-cygwin*)
1184     ac_cv_have_dev_random=no
1185     ;;
1186
1187 dnl Everywhere else, it's /dev/random
1188
1189     *)
1190     NAME_DEV_RANDOM="/dev/random"
1191     ;;
1192 esac
1193
1194 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
1195
1196 dnl Now check if the device actually exists
1197
1198 if test "x$try_dev_random" = "xyes"; then
1199     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1200     [if test -r "$NAME_DEV_RANDOM" ; then
1201         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1202     if test "x$ac_cv_have_dev_random" = "xyes"; then
1203         AC_DEFINE(HAVE_CRYPT_RNG)
1204     fi
1205 else
1206     AC_MSG_CHECKING(for random device)
1207     ac_cv_have_dev_random=no
1208     AC_MSG_RESULT(has been disabled)
1209 fi
1210
1211 if test "x$platform_win32" = "xyes"; then
1212     AC_DEFINE(HAVE_CRYPT_RNG)
1213 fi
1214
1215 if test "x$ac_cv_have_dev_random" = "xno" \
1216     && test "x$platform_win32" = "xno"; then
1217     AC_MSG_WARN([[
1218 ***
1219 *** A system-provided entropy source was not found on this system.
1220 *** Because of this, the System.Security.Cryptography random number generator
1221 *** will throw a NotImplemented exception.
1222 ***
1223 *** If you are seeing this message, and you know your system DOES have an
1224 *** entropy collection in place, please contact <crichton@gimp.org> and
1225 *** provide information about the system and how to access the random device.
1226 ***
1227 *** Otherwise you can install either egd or prngd and set the environment
1228 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1229 ***]])
1230 fi
1231  
1232 AC_MSG_CHECKING([if inter-process shared handles are requested])
1233 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1234 AC_MSG_RESULT($try_shared_handles)
1235 if test "x$try_shared_handles" != "xyes"; then
1236         AC_DEFINE(DISABLE_SHARED_HANDLES)
1237         AC_SUBST(DISABLE_SHARED_HANDLES)
1238 fi
1239
1240 #
1241 # ICU 
1242 #
1243 ICU_CFLAGS=""
1244 ICU_LIBS=""
1245 enable_icu="no;  default"
1246
1247 probe_icu=false
1248 AC_ARG_WITH(icu, [  --with-icu=yes/no],
1249         if test x$with_icu = xno; then
1250            probe_icu=false;
1251            AC_MSG_RESULT(Will not probe for ICU)
1252         fi
1253         if test x$with_icu = xyes; then
1254            probe_icu=true;
1255         fi
1256 )
1257
1258 if $probe_icu; then
1259         AC_PATH_PROG(ICU_CONFIG, icu-config, no)
1260         if test "x$ICU_CONFIG" = "xno" -o ! -x "$ICU_CONFIG"; then
1261                 AC_MSG_WARN([Only invariant locale available; install ICU for I18N support])
1262                 enable_icu="no, if you want full i18n support download it from: http://oss.software.ibm.com/icu/index.html"
1263         else
1264                 enable_icu="yes. Version: `$ICU_CONFIG --version`"
1265                 AC_DEFINE(HAVE_ICU)
1266                 ICU_CFLAGS=`$ICU_CONFIG --cppflags`
1267                 ICU_LIBS=`$ICU_CONFIG --ldflags`
1268         fi
1269 fi
1270 AC_SUBST(ICU_CFLAGS)
1271 AC_SUBST(ICU_LIBS)
1272
1273 AC_ARG_ENABLE(nunit-tests, [ --enable-nunit-tests       Run the nunit tests of the class library on 'make check'])
1274 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1275
1276 TARGET="unknown"
1277 ACCESS_UNALIGNED="yes"
1278
1279 JIT_SUPPORTED=no
1280 LIBC="libc.so.6"
1281 INTL="libc.so.6"
1282
1283 jit_wanted=false
1284 case "$host" in
1285 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1286 #               TARGET=MIPS;
1287 #               ACCESS_UNALIGNED="no"
1288 #               ;;
1289         i*86-*-*)
1290                 TARGET=X86;
1291                 arch_target=x86;
1292                 JIT_SUPPORTED=yes
1293                 jit_wanted=true
1294                 ;;
1295         x86_64-*-* | amd64-*-*)
1296                 TARGET=AMD64;
1297                 arch_target=amd64;
1298                 JIT_SUPPORTED=yes
1299                 jit_wanted=true
1300                 ;;
1301         sparc*-*-*)
1302                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
1303                    TARGET=SPARC64
1304                 else
1305                         TARGET=SPARC
1306                 fi
1307                 arch_target=sparc;
1308                 JIT_SUPPORTED=yes
1309                 ACCESS_UNALIGNED="no"
1310                 LIBC="libc.so"
1311                 INTL="libintl.so"
1312                 jit_wanted=true
1313                 if test x"$GCC" = xyes; then
1314                         CFLAGS="$CFLAGS -Wno-cast-align"
1315                 fi
1316                 ;;
1317        alpha*-*-linux* | alpha*-*-osf*)
1318                 TARGET=ALPHA;
1319                 ACCESS_UNALIGNED="no"
1320                 JIT_SUPPORTED=no
1321                 arch_target=alpha;
1322                ;;
1323 #       ia64-*-linux* | ia64-*-hpux*)
1324 #               TARGET=IA64;
1325 #               arch_target=ia64;
1326 #               JIT_SUPPORTED=no;
1327 #               ACCESS_UNALIGNED="no";
1328 #               case "$host_os" in
1329 #                       linux*) LIBC="libc.so.6.1";;
1330 #                       hpux*)  LIBC="libc.so.1";;
1331 #               esac
1332 #               ;;
1333 #       m68k-*-linux*)
1334 #               TARGET=M68K
1335 #               ;;
1336         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1337                 TARGET=HPPA;
1338                 arch_target=hppa; 
1339                 LIBC="libc.sl"
1340                 ACCESS_UNALIGNED="no"
1341                 ;;
1342         hppa*linux*)
1343                 TARGET=HPPA;
1344                 arch_target=hppa; 
1345                 ACCESS_UNALIGNED="no"
1346                 ;;
1347         macppc-*-openbsd* | powerpc-*-linux* | powerpc-*-openbsd* | \
1348         powerpc-*-sysv* | powerpc-*-darwin*)
1349                 TARGET=POWERPC;
1350                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1351                 arch_target=ppc;
1352                 JIT_SUPPORTED=yes
1353                 jit_wanted=true
1354                 ;;
1355         arm-*-linux-* | armv4l-*-linux-*)
1356                 TARGET=ARM;
1357                 arch_target=arm;
1358                 ACCESS_UNALIGNED="no"
1359                 ;;
1360         s390-*-linux*)
1361                 TARGET=S390;
1362                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1363                 arch_target=s390;
1364                 ACCESS_UNALIGNED="no"
1365                 JIT_SUPPORTED=yes
1366                 ;;
1367         s390x-*-linux*)
1368                 TARGET=S390x;
1369                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1370                 arch_target=s390x;
1371                 ACCESS_UNALIGNED="no"
1372                 JIT_SUPPORTED=yes
1373                 ;;
1374 esac
1375
1376 AC_ARG_WITH(jit, [  --with-jit=yes,no       If you want to build scripts that default to the JIT],[
1377         if test x$withval = xyes; then
1378            jit_wanted=true
1379         else
1380            jit_wanted=false
1381         fi
1382 ])
1383
1384 USEJIT=false
1385 if test x$JIT_SUPPORTED = xyes; then
1386    if $jit_wanted; then
1387       USEJIT=true
1388       jit_status="Building and using the JIT"
1389    else
1390       jit_status="Building the JIT, defaulting to the interpreter"
1391    fi
1392 else
1393    jit_status="interpreter"
1394 fi
1395
1396 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
1397
1398 libsuffix=".so"
1399
1400 case "$host" in
1401      powerpc-*-darwin*)
1402         libsuffix=".dylib"
1403         LIBC="libc.dylib"
1404         INTL="libintl.dylib"
1405         ;;
1406      *-*-*netbsd*)
1407         LIBC="libc.so.12"
1408         INTL="libintl.so.0"
1409         ;;
1410     *-*-*freebsd*)
1411         LIBC="libc.so"
1412         INTL="libintl.so"
1413         ;;
1414     *-*-*openbsd*)
1415         LIBC="libc.so"
1416         INTL="libintl.so"
1417         ;;
1418 esac
1419 AC_SUBST(libsuffix)
1420
1421 if test "x$TARGET" != "xAMD64"; then
1422    # valgrind headers don't compile under x86-64
1423    AC_CHECK_HEADERS(valgrind/memcheck.h)
1424 fi
1425
1426 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1427         if test "x$with_tls" = "x__thread"; then
1428                 #
1429                 # On some linux distributions, TLS works in executables, but linking 
1430                 # against a shared library containing TLS fails with:
1431                 # undefined reference to `__tls_get_addr'
1432                 #
1433                 rm -f conftest.c conftest.so conftest
1434                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
1435                 gcc -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
1436                 gcc -o conftest conftest.so > /dev/null 2>&1
1437                 if test ! -f conftest; then
1438                    AC_MSG_WARN([Disabling usage of __thread.]);
1439                    with_tls=pthread
1440                 fi
1441                 rm -f conftest.c conftest.so conftest
1442         fi
1443 fi
1444
1445 if test "x$with_tls" = "x__thread"; then
1446         AC_DEFINE(HAVE_KW_THREAD)
1447    # Pass the information to libgc
1448         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
1449         export CPPFLAGS
1450 fi
1451
1452 if test ${TARGET} = ARM; then
1453         dnl ******************************************
1454         dnl *** Check to see what FPU is available ***
1455         dnl ******************************************
1456         AC_MSG_CHECKING(which FPU to use)
1457
1458         AC_TRY_COMPILE([], [
1459                 __asm__ ("ldfd f0, [r0]");
1460                 ], fpu=FPA, [
1461                         AC_TRY_COMPILE([], [
1462                                 __asm__ ("fldd d0, [r0]");
1463                         ], fpu=VFP, fpu=NONE)
1464                 ])
1465
1466         AC_MSG_RESULT($fpu)
1467         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu"
1468         unset fpu
1469 fi
1470
1471 if test ${TARGET} = unknown; then
1472         CPPFLAGS="$CPPFLAGS -DNO_PORT"
1473         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
1474 fi
1475
1476 if test ${ACCESS_UNALIGNED} = no; then
1477         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
1478 fi
1479
1480 PREVIEW=no
1481 AC_ARG_WITH(preview, [ --with-preview=yes,no     If you want to install the 2.0 FX preview],[
1482         if test x$with_preview = xyes; then
1483               PREVIEW=yes
1484         fi
1485 ])
1486
1487 AM_CONDITIONAL(INSTALL_2_0, test x$PREVIEW = xyes)
1488
1489 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
1490 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
1491 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
1492 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
1493 AM_CONDITIONAL(X86, test x$TARGET = xX86)
1494 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
1495 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
1496 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
1497 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
1498 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
1499 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
1500 AM_CONDITIONAL(S390, test x$TARGET = xS390)
1501 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
1502 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
1503
1504 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
1505 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
1506
1507 AC_SUBST(LIBC)
1508 AC_SUBST(INTL)
1509
1510 AC_SUBST(arch_target)
1511 AC_SUBST(CFLAGS)
1512 AC_SUBST(CPPFLAGS)
1513 AC_SUBST(LDFLAGS)
1514
1515 mono_build_root=`pwd`
1516 AC_SUBST(mono_build_root)
1517
1518 if test x$USEJIT = xtrue; then
1519   mono_runtime=mono/mini/mono
1520 else
1521   mono_runtime=mono/interpreter/mint
1522 fi
1523 AC_SUBST(mono_runtime)
1524
1525 mono_cfg_root=$mono_build_root/runtime
1526 if test x$platform_win32 = xyes; then
1527   mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
1528 else
1529   mono_cfg_dir=$mono_cfg_root/etc
1530 fi
1531 AC_SUBST(mono_cfg_dir)
1532
1533 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
1534
1535 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
1536 [   depth=../../../..
1537     case $srcdir in
1538     [\\/$]* | ?:[\\/]* ) reldir=$srcdir ;;
1539     .) reldir=$depth ;;
1540     *) reldir=$depth/$srcdir ;;
1541     esac
1542     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
1543     cd runtime/etc/mono/1.0
1544     rm -f machine.config
1545     $LN_S $reldir/data/net_1_1/machine.config machine.config
1546     cd $depth
1547 ],[LN_S='$LN_S'])
1548
1549 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
1550 [   depth=../../../..
1551     case $srcdir in
1552     [\\/$]* | ?:[\\/]* ) reldir=$srcdir ;;
1553     .) reldir=$depth ;;
1554     *) reldir=$depth/$srcdir ;;
1555     esac
1556     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
1557     cd runtime/etc/mono/2.0
1558     rm -f machine.config
1559     $LN_S $reldir/data/net_2_0/machine.config machine.config
1560     cd $depth
1561 ],[LN_S='$LN_S'])
1562
1563 AC_OUTPUT([
1564 Makefile
1565 mint.pc
1566 mono.pc
1567 mono/Makefile
1568 mono/utils/Makefile
1569 mono/metadata/Makefile
1570 mono/dis/Makefile
1571 mono/cil/Makefile
1572 mono/arch/Makefile
1573 mono/os/Makefile
1574 mono/os/win32/Makefile
1575 mono/os/unix/Makefile
1576 mono/arch/x86/Makefile
1577 mono/arch/amd64/Makefile
1578 mono/arch/hppa/Makefile
1579 mono/arch/ppc/Makefile
1580 mono/arch/sparc/Makefile
1581 mono/arch/s390/Makefile
1582 mono/arch/s390x/Makefile
1583 mono/arch/arm/Makefile
1584 mono/arch/alpha/Makefile
1585 mono/interpreter/Makefile
1586 mono/tests/Makefile
1587 mono/tests/tests-config
1588 mono/benchmark/Makefile
1589 mono/monoburg/Makefile
1590 mono/monograph/Makefile
1591 mono/io-layer/Makefile
1592 mono/handles/Makefile
1593 mono/mini/Makefile
1594 mono/profiler/Makefile
1595 ikvm-jni/Makefile
1596 scripts/Makefile
1597 man/Makefile
1598 web/Makefile
1599 docs/Makefile
1600 data/Makefile
1601 data/net_1_1/Makefile
1602 data/net_2_0/Makefile
1603 samples/Makefile
1604 support/Makefile
1605 data/config
1606 mono.spec
1607 tools/Makefile
1608 tools/locale-builder/Makefile
1609 runtime/Makefile
1610 ])
1611
1612 echo "
1613         mcs source:  $mcs_topdir
1614         GC:          $gc
1615         ICU:         $enable_icu
1616         TLS:         $with_tls
1617         SIGALTSTACK: $with_sigaltstack
1618         Engine:      $jit_status
1619         2.0 Alpha:   $PREVIEW
1620         JNI support: $jdk_headers_found
1621         Disabled:    $enable_minimal
1622
1623 "