70e9e0f6f51b1fa99857c91078dfe5d27bf3e042
[mono.git] / configure.in
1 AC_INIT(README)
2 AC_CANONICAL_SYSTEM
3
4 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
5 # The extra brackets are to foil regex-based scans.
6 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
7
8 AM_CONFIG_HEADER(config.h)
9 AM_INIT_AUTOMAKE(mono,1.1.7)
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$no_version_script = xyes)
242
243 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h semaphore.h sys/un.h linux/rtc.h)
244
245 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
246
247 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
248
249 # for mono/metadata/debug-symfile.c
250 AC_CHECK_HEADERS(elf.h)
251
252 # for support
253 AC_CHECK_HEADERS(poll.h)
254 AC_CHECK_HEADERS(sys/poll.h)
255 AC_CHECK_HEADERS(sys/wait.h)
256 AC_CHECK_HEADERS(grp.h)
257 AC_CHECK_HEADERS(syslog.h)
258
259 # for mono/dis
260 AC_CHECK_HEADERS(wchar.h)
261 AC_CHECK_HEADERS(ieeefp.h)
262 AC_MSG_CHECKING(for isinf)
263 AC_TRY_LINK([#include <math.h>], [
264         int f = isinf (1);
265 ], [
266         AC_MSG_RESULT(yes)
267         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
268 ], [
269         # We'll have to use signals
270         AC_MSG_RESULT(no)
271 ])
272
273
274 # not 64 bit clean in cross-compile
275 AC_CHECK_SIZEOF(void *, 4)
276
277 WARN=''
278 if test x"$GCC" = xyes; then
279         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wcast-align -Wwrite-strings'
280                 # The runtime code does not respect ANSI C strict aliasing rules
281                 CFLAGS="$CFLAGS -fno-strict-aliasing"
282
283                 ORIG_CFLAGS=$CFLAGS
284                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
285                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
286                 AC_TRY_COMPILE([], [
287                                                    void main () { }
288                 ], [
289                    AC_MSG_RESULT(yes)
290                 ], [
291                    AC_MSG_RESULT(no)
292                    CFLAGS=$ORIG_CFLAGS
293                 ])
294 else
295         # The Sun Forte compiler complains about inline functions that access static variables
296         # so disable all inlining.
297         case "$host" in
298         *-*-solaris*)
299                 CFLAGS="$CFLAGS -Dinline="
300                 ;;
301         esac
302 fi
303 CFLAGS="$CFLAGS -g $WARN"
304
305 # Where's the 'mcs' source tree?
306 if test -d $srcdir/mcs; then
307   mcsdir=mcs
308 else
309   mcsdir=../mcs
310 fi
311
312 mcs_topdir='$(top_srcdir)/'$mcsdir
313 mcs_topdir_from_srcdir='$(top_builddir)/'$mcsdir
314
315 AC_SUBST([mcs_topdir])
316 AC_SUBST([mcs_topdir_from_srcdir])
317
318 AC_ARG_WITH([libgdiplus], 
319         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to NO)], 
320         [], [with_libgdiplus=installed])
321
322 case $with_libgdiplus in
323 no|installed) libgdiplus_loc= ;;
324 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
325 /*) libgdiplus_loc=$with_libgdiplus ;;
326 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
327 esac
328 AC_SUBST([libgdiplus_loc])
329
330 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
331 if test "x$PKG_CONFIG" = "xno"; then
332         AC_MSG_ERROR([You need to install pkg-config])
333 fi
334
335 dnl for use on the build system
336 dnl pkg-config is stupid
337 BUILD_GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
338 BUILD_GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
339 AC_SUBST(BUILD_GLIB_CFLAGS)
340 AC_SUBST(BUILD_GLIB_LIBS)
341
342 pkg_config_path=
343 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir],
344         if test x$with_crosspkgdir = "x"; then
345                 if test -s $PKG_CONFIG_PATH; then
346                         pkg_config_path=$PKG_CONFIG_PATH
347                 fi
348         else
349                 pkg_config_path=$with_crosspkgdir
350                 PKG_CONFIG_PATH=$pkg_config_path
351                 export PKG_CONFIG_PATH
352         fi
353 )
354
355 ## Versions of dependencies
356 GLIB_REQUIRED_VERSION=1.3.11
357
358 PKG_CHECK_MODULES(BASE_DEPENDENCIES, glib-2.0 >= $GLIB_REQUIRED_VERSION)
359
360 GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
361 GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
362 GMODULE_CFLAGS=`$PKG_CONFIG --cflags gmodule-2.0`
363 GMODULE_LIBS=`$PKG_CONFIG --libs gmodule-2.0`
364
365 AC_SUBST(GLIB_CFLAGS)
366 AC_SUBST(GLIB_LIBS)
367 AC_SUBST(GMODULE_CFLAGS)
368 AC_SUBST(GMODULE_LIBS)
369
370 if test x$platform_win32 = xyes; then   
371    AC_MSG_CHECKING(for cygwin glib2-dev package)
372    if [ cygcheck --f /usr/lib/libglib-2.0.dll.a | grep -q glib2-devel ]; then
373       AC_MSG_RESULT(found)
374           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.])
375    else
376       AC_MSG_RESULT(not found, ok)
377    fi
378
379    AC_MSG_CHECKING(for broken gwin32.h)
380    glib_include=`$PKG_CONFIG --cflags-only-I glib-2.0 | sed -e 's/ -I.*//g' | sed -e 's/-I//g'`
381    if test -f $glib_include/glib/gwin32.h; then
382           if [ grep ftruncate $glib_include/glib/gwin32.h | grep -q define ]; then
383                  AC_MSG_RESULT(failed)
384                  hashmark='#'
385                  AC_MSG_ERROR([Your version of gwin32.h is broken and will cause compilation errors when building mono. Please fix it by deleting the line: '$hashmark   define ftruncate...' from '$glib_include/glib/gwin32.h' then re-run configure.])
386           fi
387    fi
388    AC_MSG_RESULT(ok)
389 fi
390
391 AC_ARG_WITH(gc, [  --with-gc=boehm,included,none],[gc=$with_gc],[gc=$gc_default])
392
393 # Enable support for fast thread-local storage
394 # Some systems have broken support, so we allow to disable it.
395 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread       select Thread Local Storage implementation],[],[with_tls=__thread])
396
397 # Kept for compatibility
398 AC_ARG_WITH(nptl, [  --with-nptl=yes,no      deprecated, use --with-tls instead],[],[with_nptl=default])
399
400 if test "x$with_nptl" != "xdefault"; then
401    if test "x$with_nptl" = "xyes"; then
402       AC_MSG_WARN([--with-nptl=yes is deprecated, use --with-tls=__thread option instead.])
403           with_tls=__thread
404    fi
405    if test "x$with_nptl" = "xno"; then
406       AC_MSG_WARN([--with-nptl=no is deprecated, use --with-tls=pthread option instead.])
407           with_tls=pthread
408    fi
409 fi
410
411 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
412 # This does not work on some platforms (bug #55253)
413 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack],[],[with_sigaltstack=no])
414
415 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster)],[],[with_static_mono=yes])
416
417 if test "x$enable_static" = "xno"; then
418    with_static_mono=no
419 fi
420
421 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
422
423 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
424   LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, reflection_emit.],
425 [
426         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
427                 eval "mono_feature_disable_$feature='yes'"
428                 AC_MSG_NOTICE([Disabled support for feature: $feature])
429         done
430         disabled="Disabled:    $enable_minimal"
431 ],[])
432
433 if test "x$mono_feature_disable_aot" = "xyes"; then
434         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT support])
435 fi
436
437 if test "x$mono_feature_disable_profiler" = "xyes"; then
438         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
439 fi
440
441 if test "x$mono_feature_disable_decimal" = "xyes"; then
442         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
443 fi
444
445 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
446         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
447 fi
448
449 if test "x$mono_feature_disable_debug" = "xyes"; then
450         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
451 fi
452
453 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
454         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
455 fi
456
457 LIBGC_CFLAGS=
458 LIBGC_LIBS=
459 LIBGC_STATIC_LIBS=
460 libgc_dir=
461 case "x$gc" in
462         xboehm|xbohem|xyes)
463                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
464                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
465
466                 if test "x$found_boehm" != "xyes"; then
467                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
468                 fi
469                 if test "x$gc_headers" != "xyes"; then
470                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
471                 fi
472
473                 AC_DEFINE(HAVE_BOEHM_GC)
474                 AC_SUBST(HAVE_BOEHM_GC)
475                 LIBGC_LIBS="-lgc $libdl"
476                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
477
478                 # AC_CHECK_FUNCS does not work for some reason...
479                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
480                 if test "x$found_gcj_malloc" = "xyes"; then
481                         AC_DEFINE(HAVE_GC_GCJ_MALLOC)
482                 fi
483                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
484                 if test "x$found_gc_enable" = "xyes"; then
485                         AC_DEFINE(HAVE_GC_ENABLE)
486                 fi
487                 ;;
488
489         xincluded)
490                 AC_CONFIG_SUBDIRS(libgc)
491
492                 found_boehm=yes
493                 gc_headers=yes
494                 use_included_gc=yes
495                 libgc_dir=libgc
496
497                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
498                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
499                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
500
501                 AC_DEFINE(HAVE_BOEHM_GC)
502                 AC_SUBST(HAVE_BOEHM_GC)
503
504                 AC_DEFINE(HAVE_GC_H)
505                 AC_DEFINE(USE_INCLUDED_LIBGC)
506
507                 # The included libgc contains GCJ support
508                 AC_DEFINE(HAVE_GC_GCJ_MALLOC)
509                 AC_DEFINE(HAVE_GC_ENABLE)
510                 ;;
511
512         xnone)
513                 AC_MSG_WARN("Compiling mono without GC.")
514                 ;;
515         *)
516                 AC_MSG_ERROR([Invalid argument to --with-gc.])
517                 ;;
518 esac
519
520
521 # tell libgc/configure about what we want
522 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads"
523
524 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
525 AC_SUBST(LIBGC_CFLAGS)
526 AC_SUBST(LIBGC_LIBS)
527 AC_SUBST(LIBGC_STATIC_LIBS)
528 AC_SUBST(libgc_dir)
529
530 dnl
531 dnl End of libgc checks
532 dnl
533
534 if test x$platform_win32 = xno; then
535
536         dnl ******************************************************************
537         dnl *** Checks for the IKVM JNI interface library                  ***
538         dnl ******************************************************************
539         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no  build the IKVM JNI interface library],[with_ikvm_native=$withval],[with_ikvm_native=yes])
540
541         ikvm_native_dir=
542         if test x$with_ikvm_native = xyes; then
543                 ikvm_native_dir=ikvm-native
544                 jdk_headers_found="IKVM Native"
545         fi
546
547         AC_SUBST(ikvm_native_dir)
548
549         AC_CHECK_FUNCS(getgrgid_r)
550         AC_CHECK_FUNCS(getgrnam_r)
551         AC_CHECK_FUNCS(getpwnam_r)
552         AC_CHECK_FUNCS(getpwuid_r)
553         AC_CHECK_FUNCS(getresuid)
554         AC_CHECK_FUNCS(setresuid)
555         AC_CHECK_FUNCS(kqueue)
556         AC_CHECK_FUNCS(backtrace_symbols)
557
558         dnl ******************************************************************
559         dnl *** Check for large file support                               ***
560         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
561         dnl ******************************************************************
562         
563         # Check that off_t can represent 2**63 - 1 correctly, working around
564         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
565         # CPPFLAGS and sets $large_offt to yes if the test succeeds
566         large_offt=no
567         AC_DEFUN(LARGE_FILES, [
568                 large_CPPFLAGS=$CPPFLAGS
569                 CPPFLAGS="$CPPFLAGS $1"
570                 AC_TRY_RUN([
571                         #include <sys/types.h>
572
573                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
574
575                         int main(void) {
576                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
577                                                (BIG_OFF_T%2147483647==1));
578                                 if(big_off_t) {
579                                         exit(0);
580                                 } else {
581                                         exit(1);
582                                 }
583                         }
584                 ], [
585                         AC_MSG_RESULT(ok)
586                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT)
587                         large_CPPFLAGS="$large_CPPFLAGS $1"
588                         large_offt=yes
589                 ], [
590                         AC_MSG_RESULT(no)
591                 ], "")
592                 CPPFLAGS=$large_CPPFLAGS
593         ])
594
595         AC_MSG_CHECKING(if off_t is 64 bits wide)
596         LARGE_FILES("")
597         if test $large_offt = no; then
598                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
599                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
600         fi
601         if test $large_offt = no; then
602                 AC_MSG_WARN([No 64 bit file size support available])
603         fi
604         
605         dnl *****************************
606         dnl *** Checks for libsocket  ***
607         dnl *****************************
608         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
609
610         dnl *******************************
611         dnl *** Checks for MSG_NOSIGNAL ***
612         dnl *******************************
613         AC_MSG_CHECKING(for MSG_NOSIGNAL)
614         AC_TRY_COMPILE([#include <sys/socket.h>], [
615                 int f = MSG_NOSIGNAL;
616         ], [
617                 # Yes, we have it...
618                 AC_MSG_RESULT(yes)
619                 AC_DEFINE(HAVE_MSG_NOSIGNAL)
620         ], [
621                 # We'll have to use signals
622                 AC_MSG_RESULT(no)
623         ])
624
625         dnl *****************************
626         dnl *** Checks for SOL_IP     ***
627         dnl *****************************
628         AC_MSG_CHECKING(for SOL_IP)
629         AC_TRY_COMPILE([#include <netdb.h>], [
630                 int level = SOL_IP;
631         ], [
632                 # Yes, we have it...
633                 AC_MSG_RESULT(yes)
634                 AC_DEFINE(HAVE_SOL_IP)
635         ], [
636                 # We'll have to use getprotobyname
637                 AC_MSG_RESULT(no)
638         ])
639
640         dnl *****************************
641         dnl *** Checks for SOL_IPV6     ***
642         dnl *****************************
643         AC_MSG_CHECKING(for SOL_IPV6)
644         AC_TRY_COMPILE([#include <netdb.h>], [
645                 int level = SOL_IPV6;
646         ], [
647                 # Yes, we have it...
648                 AC_MSG_RESULT(yes)
649                 AC_DEFINE(HAVE_SOL_IPV6)
650         ], [
651                 # We'll have to use getprotobyname
652                 AC_MSG_RESULT(no)
653         ])
654
655         dnl *****************************
656         dnl *** Checks for SOL_TCP    ***
657         dnl *****************************
658         AC_MSG_CHECKING(for SOL_TCP)
659         AC_TRY_COMPILE([#include <netdb.h>], [
660                 int level = SOL_TCP;
661         ], [
662                 # Yes, we have it...
663                 AC_MSG_RESULT(yes)
664                 AC_DEFINE(HAVE_SOL_TCP)
665         ], [
666                 # We'll have to use getprotobyname
667                 AC_MSG_RESULT(no)
668         ])
669
670         dnl *****************************
671         dnl *** Checks for IP_PKTINFO ***
672         dnl *****************************
673         AC_MSG_CHECKING(for IP_PKTINFO)
674         AC_TRY_COMPILE([#include <netdb.h>], [
675                 int level = IP_PKTINFO;
676         ], [
677                 # Yes, we have it...
678                 AC_MSG_RESULT(yes)
679                 AC_DEFINE(HAVE_IP_PKTINFO)
680         ], [
681                 AC_MSG_RESULT(no)
682         ])
683
684         dnl *********************************
685         dnl *** Check for struct ip_mreqn ***
686         dnl *********************************
687         AC_MSG_CHECKING(for struct ip_mreqn)
688         AC_TRY_COMPILE([#include <netinet/in.h>], [
689                 struct ip_mreqn mreq;
690                 mreq.imr_address.s_addr = 0;
691         ], [
692                 # Yes, we have it...
693                 AC_MSG_RESULT(yes)
694                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
695         ], [
696                 # We'll just have to try and use struct ip_mreq
697                 AC_MSG_RESULT(no)
698                 AC_MSG_CHECKING(for struct ip_mreq)
699                 AC_TRY_COMPILE([#include <netinet/in.h>], [
700                         struct ip_mreq mreq;
701                         mreq.imr_interface.s_addr = 0;
702                 ], [
703                         # Yes, we have it...
704                         AC_MSG_RESULT(yes)
705                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
706                 ], [
707                         # No multicast support
708                         AC_MSG_RESULT(no)
709                 ])
710         ])
711         
712         dnl **********************************
713         dnl *** Check for gethostbyname2_r ***
714         dnl **********************************
715         AC_MSG_CHECKING(for gethostbyname2_r)
716                 AC_TRY_LINK([#include <netdb.h>], [
717                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
718         ], [
719                 # Yes, we have it...
720                 AC_MSG_RESULT(yes)
721                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R)
722         ], [
723                 AC_MSG_RESULT(no)
724         ])
725
726         dnl *****************************
727         dnl *** Checks for libnsl     ***
728         dnl *****************************
729         AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl")
730
731         AC_CHECK_FUNCS(inet_pton inet_aton)
732
733         dnl ***********************************************
734         dnl *** Checks for size of sockaddr_un.sun_path ***
735         dnl ***********************************************
736         # AC_CHECK_SIZEOF can't cope with struct members :-(
737         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
738         AC_CACHE_VAL(cv_mono_sizeof_sunpath,
739                 [AC_TRY_RUN([
740                         #include <sys/types.h>
741                         #include <stdio.h>
742                         #include <sys/un.h>
743
744                         int main(void) {
745                                 struct sockaddr_un sock_un;
746                                 FILE *f=fopen("conftestval", "w");
747                                 if(!f) exit(1);
748                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
749                                 exit(0);
750                         }
751                 ], cv_mono_sizeof_sunpath=`cat conftestval`,
752                    cv_mono_sizeof_sunpath=0,
753                    cv_mono_sizeof_sunpath=0)])dnl
754         AC_MSG_RESULT($cv_mono_sizeof_sunpath)
755         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $cv_mono_sizeof_sunpath)
756
757         dnl *************************************
758         dnl *** Checks for zero length arrays ***
759         dnl *************************************
760         AC_MSG_CHECKING(whether $CC supports zero length arrays)
761         AC_TRY_COMPILE([
762                 struct s {
763                         int  length;
764                         char data [0];
765                 };
766         ], [], [
767                 AC_MSG_RESULT(yes)
768                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0)
769         ], [
770                 AC_MSG_RESULT(no)
771                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1)
772         ])
773
774         dnl *****************************
775         dnl *** Checks for libxnet    ***
776         dnl *****************************
777         case "${host}" in
778                 *solaris* )
779                         AC_MSG_CHECKING(for Solaris XPG4 support)
780                         if test -f /usr/lib/libxnet.so; then
781                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
782                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
783                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
784                                 LIBS="$LIBS -lxnet"
785                                 AC_MSG_RESULT(yes)
786                         else
787                                 AC_MSG_RESULT(no)
788                         fi
789
790                         if test "$GCC" = "yes"; then
791                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
792                         fi
793                 ;;
794         esac
795
796         dnl *****************************
797         dnl *** Checks for libpthread ***
798         dnl *****************************
799 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
800 # and libpthread does not exist
801 #
802         case "${host}" in
803                 *-*-*freebsd4*)
804                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
805                 ;;
806                 *)
807                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
808                 ;;
809         esac
810         AC_CHECK_HEADERS(pthread.h)
811         AC_CHECK_FUNCS(pthread_mutex_timedlock)
812         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
813         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
814         AC_TRY_COMPILE([ #include <pthread.h>], [
815                 pthread_mutexattr_t attr;
816                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
817         ], [
818                 AC_MSG_RESULT(ok)
819         ], [
820                 AC_MSG_RESULT(no)
821                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
822                 AC_DEFINE(USE_MONO_MUTEX)
823         ])
824         AC_CHECK_FUNCS(pthread_attr_setstacksize)
825
826         dnl ***********************************
827         dnl *** Checks for working __thread ***
828         dnl ***********************************
829         AC_MSG_CHECKING(for working __thread)
830         if test "x$with_tls" != "x__thread"; then
831                 AC_MSG_RESULT(disabled)
832         else
833                 AC_TRY_RUN([
834                         #include <pthread.h>
835
836                         __thread int i;
837                         static int res1, res2;
838
839                         void thread_main (void *arg)
840                         {
841                                 i = arg;
842                                 sleep (1);
843                                 if (arg == 1)
844                                         res1 = (i == arg);
845                                 else
846                                         res2 = (i == arg);
847                         }
848
849                         int main () {
850                                 pthread_t t1, t2;
851
852                                 i = 5;
853
854                                 pthread_create (&t1, NULL, thread_main, 1);
855                                 pthread_create (&t2, NULL, thread_main, 2);
856
857                                 pthread_join (t1, NULL);
858                                 pthread_join (t2, NULL);
859
860                                 return !(res1 + res2 == 2);
861                         }
862                 ], [
863                                 AC_MSG_RESULT(yes)
864                 ], [
865                                 AC_MSG_RESULT(no)
866                                 with_tls=pthread
867                 ])
868         fi
869
870         dnl **************************************
871         dnl *** Checks for working sigaltstack ***
872         dnl **************************************
873         AC_MSG_CHECKING(for working sigaltstack)
874         if test "x$with_sigaltstack" != "xyes"; then
875                 AC_MSG_RESULT(disabled)
876         else
877                 AC_TRY_RUN([
878                         #include <stdio.h>
879                         #include <stdlib.h>
880                         #include <unistd.h>
881                         #include <signal.h>
882                         #include <pthread.h>
883                         #include <sys/wait.h>
884
885                         static void
886                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
887                         {
888                                 exit (0);
889                         }
890
891                         static void *
892                         loop (void *ignored)
893                         {
894                                 char *ptr = NULL;
895
896                                 *ptr = 0;
897                                 return NULL;
898                         }
899
900                         static void
901                         child ()
902                         {
903                                 struct sigaction sa;
904                                 struct sigaltstack sas;
905                                 pthread_t id;
906                                 pthread_attr_t attr;
907
908                                 sa.sa_sigaction = sigsegv_signal_handler;
909                                 sigemptyset (&sa.sa_mask);
910                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
911                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
912                                         perror ("sigaction");
913                                         return;
914                                 }
915
916                                 sas.ss_sp = malloc (SIGSTKSZ);
917                                 sas.ss_size = SIGSTKSZ;
918                                 sas.ss_flags = 0;
919                                 if (sigaltstack (&sas, NULL) == -1) {
920                                         perror ("sigaltstack");
921                                         return;
922                                 }
923
924                                 pthread_attr_init (&attr);
925                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
926                                         printf ("pthread_create\n");
927                                         return;
928                                 }
929
930                                 sleep (100);
931                         }
932
933                         int
934                         main ()
935                         {
936                                 pid_t son;
937                                 int status;
938                                 int i;
939
940                                 son = fork ();
941                                 if (son == -1) {
942                                         return 1;
943                                 }
944
945                                 if (son == 0) {
946                                         child ();
947                                         return 0;
948                                 }
949
950                                 for (i = 0; i < 3; ++i) {
951                                         sleep (1);
952                                         waitpid (son, &status, WNOHANG);
953                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
954                                                 return 0;
955                                 }
956
957                                 kill (son, SIGKILL);
958                                 return 1;
959                         }
960
961                 ], [
962                                 AC_MSG_RESULT(yes)
963                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK)
964                 ], [
965                                 with_sigaltstack=no
966                                 AC_MSG_RESULT(no)
967                 ])
968         fi
969
970         dnl ********************************
971         dnl *** Checks for semaphore lib ***
972         dnl ********************************
973         # 'Real Time' functions on Solaris
974         # posix4 on Solaris 2.6
975         # pthread (first!) on Linux
976         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
977
978         dnl ********************************
979         dnl *** Checks for timezone stuff **
980         dnl ********************************
981         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
982                 AC_TRY_COMPILE([
983                         #include <time.h>
984                         ], [
985                         struct tm tm;
986                         tm.tm_gmtoff = 1;
987                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
988         if test $ac_cv_struct_tm_gmtoff = yes; then
989                 AC_DEFINE(HAVE_TM_GMTOFF)
990         else
991                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
992                         AC_TRY_COMPILE([
993                                 #include <time.h>
994                         ], [
995                                 timezone = 1;
996                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
997                 if test $ac_cv_var_timezone = yes; then
998                         AC_DEFINE(HAVE_TIMEZONE)
999                 else
1000                         AC_ERROR(unable to find a way to determine timezone)
1001                 fi
1002         fi
1003
1004         dnl *********************************
1005         dnl *** Checks for math functions ***
1006         dnl *********************************
1007         LIBS="$LIBS -lm";
1008         AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1009                 AC_TRY_LINK([#include <math.h>], 
1010                 [ finite(0.0); ], 
1011                 AC_DEFINE(HAVE_FINITE) AC_MSG_RESULT(yes),
1012                 AC_MSG_RESULT(no)))
1013         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1014                 AC_TRY_LINK([#include <math.h>], 
1015                 [ isfinite(0.0); ], 
1016                 AC_DEFINE(HAVE_ISFINITE) AC_MSG_RESULT(yes),
1017                 AC_MSG_RESULT(no)))
1018
1019         dnl ****************************************************************
1020         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1021         dnl *** have it in the library (duh))                            ***
1022         dnl ****************************************************************
1023         AC_CHECK_FUNCS(poll)
1024
1025         dnl *************************
1026         dnl *** Check for signbit ***
1027         dnl *************************
1028         AC_MSG_CHECKING(for signbit)
1029         AC_TRY_LINK([#include <math.h>], [
1030                 int s = signbit(1.0);
1031         ], [
1032                 AC_MSG_RESULT(yes)
1033                 AC_DEFINE(HAVE_SIGNBIT)
1034         ], [
1035                 AC_MSG_RESULT(no)
1036         ]) 
1037
1038         dnl **********************************
1039         dnl *** Checks for MonoPosixHelper ***
1040         dnl **********************************
1041         AC_CHECK_HEADERS(checklist.h)
1042         AC_CHECK_HEADERS(fstab.h)
1043         AC_CHECK_HEADERS(sys/sendfile.h)
1044         AC_CHECK_HEADERS(sys/statvfs.h)
1045         AC_CHECK_HEADERS(sys/vfstab.h)
1046         AC_CHECK_FUNCS(getdomainname)
1047         AC_CHECK_FUNCS(setdomainname)
1048         AC_CHECK_FUNCS(fgetgrent)
1049         AC_CHECK_FUNCS(fgetpwent)
1050         AC_CHECK_FUNCS(fgetpwent)
1051         AC_CHECK_FUNCS(getfsstat)
1052         AC_CHECK_FUNCS(posix_fadvise)
1053         AC_CHECK_FUNCS(posix_fallocate)
1054         AC_CHECK_FUNCS(posix_madvise)
1055         AC_CHECK_FUNCS(vsnprintf)
1056         AC_CHECK_FUNCS(sendfile)
1057         AC_CHECK_FUNCS(sethostid)
1058         AC_CHECK_FUNCS(statfs)
1059         AC_CHECK_FUNCS(fstatfs)
1060         AC_CHECK_FUNCS(statvfs)
1061         AC_CHECK_FUNCS(fstatvfs)
1062         AC_CHECK_FUNCS(stime)
1063         AC_CHECK_FUNCS(strerror_r)
1064         AC_CHECK_FUNCS(ttyname_r)
1065         AC_CHECK_SIZEOF(size_t)
1066         AC_CHECK_MEMBERS(
1067                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
1068                 [#include <sys/types.h>
1069                  #include <dirent.h>])
1070
1071         dnl *********************************
1072         dnl *** Check for Console 2.0 I/O ***
1073         dnl *********************************
1074         AC_CHECK_HEADERS([curses.h])
1075         AC_CHECK_HEADERS([term.h], [], [],
1076         [#if HAVE_CURSES_H
1077          #include <curses.h>
1078          #endif
1079         ])
1080         AC_CHECK_HEADERS([termios.h])
1081 else
1082         jdk_headers_found=no
1083         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1084         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1085         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1086
1087         dnl *********************************
1088         dnl *** Check for struct ip_mreqn ***
1089         dnl *********************************
1090         AC_MSG_CHECKING(for struct ip_mreqn)
1091         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1092                 struct ip_mreqn mreq;
1093                 mreq.imr_address.s_addr = 0;
1094         ], [
1095                 # Yes, we have it...
1096                 AC_MSG_RESULT(yes)
1097                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1098         ], [
1099                 # We'll just have to try and use struct ip_mreq
1100                 AC_MSG_RESULT(no)
1101                 AC_MSG_CHECKING(for struct ip_mreq)
1102                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1103                         struct ip_mreq mreq;
1104                         mreq.imr_interface.s_addr = 0;
1105                 ], [
1106                         # Yes, we have it...
1107                         AC_MSG_RESULT(yes)
1108                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1109                 ], [
1110                         # No multicast support
1111                         AC_MSG_RESULT(no)
1112                 ])
1113         ])
1114 fi
1115
1116 dnl socklen_t check
1117 AC_MSG_CHECKING(for socklen_t)
1118 AC_TRY_COMPILE([
1119 #include <sys/types.h>
1120 #include <sys/socket.h>
1121 ],[
1122   socklen_t foo;
1123 ],[
1124 ac_cv_c_socklen_t=yes
1125         AC_DEFINE(HAVE_SOCKLEN_T)
1126         AC_MSG_RESULT(yes)
1127 ],[
1128         AC_MSG_RESULT(no)
1129 ])
1130
1131 AC_MSG_CHECKING(for array element initalizer support)
1132 AC_TRY_COMPILE([#include <sys/socket.h>], [
1133         const int array[] = {[1] = 2,};
1134 ], [
1135         # Yes, we have it...
1136         AC_MSG_RESULT(yes)
1137         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1138 ], [
1139         # We'll have to use signals
1140         AC_MSG_RESULT(no)
1141 ])
1142
1143 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1144         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1145         AC_TRY_LINK([#include <math.h>], 
1146         [ static void *p = &trunc; ],
1147         [
1148                 AC_DEFINE(HAVE_TRUNC) 
1149                 AC_MSG_RESULT(yes)
1150                 ac_cv_trunc=yes
1151         ],
1152         AC_MSG_RESULT(no)))
1153
1154 if test "x$ac_cv_truncl" != "xyes"; then
1155    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL) LIBS="$LIBS -lsunmath"])
1156 fi
1157
1158 dnl ****************************
1159 dnl *** Look for /dev/random ***
1160 dnl ****************************
1161
1162 AC_MSG_CHECKING([if usage of random device is requested])
1163 AC_ARG_ENABLE(dev-random,
1164 [  --disable-dev-random    disable the use of the random device],
1165 try_dev_random=$enableval, try_dev_random=yes)
1166 AC_MSG_RESULT($try_dev_random)
1167
1168 case "{$target}" in
1169     *-openbsd*)
1170     NAME_DEV_RANDOM="/dev/srandom"
1171     ;;
1172
1173 dnl Win32 does not have /dev/random, they have their own method...
1174
1175     *-*-mingw*|*-*-cygwin*)
1176     ac_cv_have_dev_random=no
1177     ;;
1178
1179 dnl Everywhere else, it's /dev/random
1180
1181     *)
1182     NAME_DEV_RANDOM="/dev/random"
1183     ;;
1184 esac
1185
1186 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
1187
1188 dnl Now check if the device actually exists
1189
1190 if test "x$try_dev_random" = "xyes"; then
1191     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1192     [if test -r "$NAME_DEV_RANDOM" ; then
1193         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1194     if test "x$ac_cv_have_dev_random" = "xyes"; then
1195         AC_DEFINE(HAVE_CRYPT_RNG)
1196     fi
1197 else
1198     AC_MSG_CHECKING(for random device)
1199     ac_cv_have_dev_random=no
1200     AC_MSG_RESULT(has been disabled)
1201 fi
1202
1203 if test "x$platform_win32" = "xyes"; then
1204     AC_DEFINE(HAVE_CRYPT_RNG)
1205 fi
1206
1207 if test "x$ac_cv_have_dev_random" = "xno" \
1208     && test "x$platform_win32" = "xno"; then
1209     AC_MSG_WARN([[
1210 ***
1211 *** A system-provided entropy source was not found on this system.
1212 *** Because of this, the System.Security.Cryptography random number generator
1213 *** will throw a NotImplemented exception.
1214 ***
1215 *** If you are seeing this message, and you know your system DOES have an
1216 *** entropy collection in place, please contact <crichton@gimp.org> and
1217 *** provide information about the system and how to access the random device.
1218 ***
1219 *** Otherwise you can install either egd or prngd and set the environment
1220 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1221 ***]])
1222 fi
1223  
1224 AC_MSG_CHECKING([if inter-process shared handles are requested])
1225 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1226 AC_MSG_RESULT($try_shared_handles)
1227 if test "x$try_shared_handles" != "xyes"; then
1228         AC_DEFINE(DISABLE_SHARED_HANDLES)
1229         AC_SUBST(DISABLE_SHARED_HANDLES)
1230 fi
1231
1232 #
1233 # ICU 
1234 #
1235 ICU_CFLAGS=""
1236 ICU_LIBS=""
1237 enable_glob="normal;  default"
1238
1239 probe_icu=false
1240 AC_ARG_WITH(icu, [  --with-icu=yes/no],
1241         if test x$with_icu = xno; then
1242            probe_icu=false;
1243            AC_MSG_RESULT(Will not probe for ICU)
1244         fi
1245         if test x$with_icu = xyes; then
1246            probe_icu=true;
1247         fi
1248 )
1249
1250 if $probe_icu; then
1251         AC_PATH_PROG(ICU_CONFIG, icu-config, no)
1252         if test "x$ICU_CONFIG" = "xno" -o ! -x "$ICU_CONFIG"; then
1253                 enable_glob="ICU not found, using non-ICU globalization code."
1254         else
1255                 enable_glob="ICU, unsupported. Version: `$ICU_CONFIG --version`"
1256                 AC_DEFINE(HAVE_ICU)
1257                 ICU_CFLAGS=`$ICU_CONFIG --cppflags`
1258                 ICU_LIBS=`$ICU_CONFIG --ldflags`
1259         fi
1260 fi
1261 AC_SUBST(ICU_CFLAGS)
1262 AC_SUBST(ICU_LIBS)
1263
1264 AC_ARG_ENABLE(nunit-tests, [ --enable-nunit-tests       Run the nunit tests of the class library on 'make check'])
1265 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1266
1267 TARGET="unknown"
1268 ACCESS_UNALIGNED="yes"
1269
1270 JIT_SUPPORTED=no
1271 INTERP_SUPPORTED=no
1272 LIBC="libc.so.6"
1273 INTL="libc.so.6"
1274
1275 jit_wanted=false
1276 interp_wanted=false
1277 case "$host" in
1278 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1279 #               TARGET=MIPS;
1280 #               ACCESS_UNALIGNED="no"
1281 #               ;;
1282         i*86-*-*)
1283                 TARGET=X86;
1284                 arch_target=x86;
1285                 JIT_SUPPORTED=yes
1286                 jit_wanted=true
1287                 ;;
1288         x86_64-*-* | amd64-*-*)
1289                 TARGET=AMD64;
1290                 arch_target=amd64;
1291                 JIT_SUPPORTED=yes
1292                 jit_wanted=true
1293                 ;;
1294         sparc*-*-*)
1295                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
1296                    TARGET=SPARC64
1297                 else
1298                         TARGET=SPARC
1299                 fi
1300                 arch_target=sparc;
1301                 JIT_SUPPORTED=yes
1302                 ACCESS_UNALIGNED="no"
1303                 LIBC="libc.so"
1304                 INTL="libintl.so"
1305                 jit_wanted=true
1306                 if test x"$GCC" = xyes; then
1307                         CFLAGS="$CFLAGS -Wno-cast-align"
1308                 fi
1309                 ;;
1310        alpha*-*-linux* | alpha*-*-osf*)
1311                 TARGET=ALPHA;
1312                 ACCESS_UNALIGNED="no"
1313                 JIT_SUPPORTED=no
1314                 INTERP_SUPPORTED=yes
1315                 interp_wanted=true
1316                 arch_target=alpha;
1317                ;;
1318         *-*-mingw*|*-*-cygwin*)
1319                 INTL="intl"
1320                 ;;
1321 #       ia64-*-linux* | ia64-*-hpux*)
1322 #               TARGET=IA64;
1323 #               arch_target=ia64;
1324 #               JIT_SUPPORTED=no;
1325 #               ACCESS_UNALIGNED="no";
1326 #               case "$host_os" in
1327 #                       linux*) LIBC="libc.so.6.1";;
1328 #                       hpux*)  LIBC="libc.so.1";;
1329 #               esac
1330 #               ;;
1331 #       m68k-*-linux*)
1332 #               TARGET=M68K
1333 #               ;;
1334         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1335                 TARGET=HPPA;
1336                 arch_target=hppa; 
1337                 LIBC="libc.sl"
1338                 ACCESS_UNALIGNED="no"
1339                 INTERP_SUPPORTED=yes
1340                 interp_wanted=true
1341                 ;;
1342         hppa*linux*)
1343                 TARGET=HPPA;
1344                 arch_target=hppa; 
1345                 ACCESS_UNALIGNED="no"
1346                 INTERP_SUPPORTED=yes
1347                 interp_wanted=true
1348                 ;;
1349         macppc-*-openbsd* | powerpc-*-linux* | powerpc-*-openbsd* | \
1350         powerpc-*-sysv* | powerpc-*-darwin*)
1351                 TARGET=POWERPC;
1352                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1353                 arch_target=ppc;
1354                 JIT_SUPPORTED=yes
1355                 jit_wanted=true
1356                 ;;
1357         arm-*-linux-* | armv4l-*-linux-*)
1358                 TARGET=ARM;
1359                 arch_target=arm;
1360                 ACCESS_UNALIGNED="no"
1361                 INTERP_SUPPORTED=yes
1362                 interp_wanted=true
1363                 ;;
1364         s390-*-linux*)
1365                 TARGET=S390;
1366                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1367                 arch_target=s390;
1368                 ACCESS_UNALIGNED="no"
1369                 JIT_SUPPORTED=yes
1370                 ;;
1371         s390x-*-linux*)
1372                 TARGET=S390x;
1373                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1374                 arch_target=s390x;
1375                 ACCESS_UNALIGNED="no"
1376                 JIT_SUPPORTED=yes
1377                 ;;
1378 esac
1379
1380 AC_ARG_WITH(jit, [  --with-jit=yes,no       If you want to build scripts that default to the JIT],[
1381         if test x$withval = xyes; then
1382            jit_wanted=true
1383         else
1384            jit_wanted=false
1385         fi
1386 ])
1387
1388 AC_ARG_WITH(interp, [  --with-interp=yes,no    If you want to build scripts that default to the interpreter],[
1389         if test x$withval = xyes; then
1390            interp_wanted=true
1391         else
1392            interp_wanted=false
1393         fi
1394 ])
1395
1396 USEJIT=false
1397 if test x$JIT_SUPPORTED = xyes; then
1398    if $jit_wanted; then
1399       USEJIT=true
1400       jit_status="Building and using the JIT"
1401    else
1402       if $interp_wanted; then
1403          jit_status="Building the JIT, defaulting to the interpreter"
1404       else
1405          AC_ERROR(No JIT or interpreter support available or selected.)
1406       fi
1407    fi
1408 else
1409    if $interp_wanted; then
1410       jit_status="interpreter"
1411    else
1412       AC_ERROR(No JIT or interpreter support available or selected.)
1413    fi
1414 fi
1415
1416 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
1417
1418 libsuffix=".so"
1419
1420 case "$host" in
1421      powerpc-*-darwin*)
1422         libsuffix=".dylib"
1423         LIBC="libc.dylib"
1424         INTL="libintl.dylib"
1425         ;;
1426      *-*-*netbsd*)
1427         LIBC="libc.so.12"
1428         INTL="libintl.so.0"
1429         ;;
1430     *-*-*freebsd*)
1431         LIBC="libc.so"
1432         INTL="libintl.so"
1433         ;;
1434     *-*-*openbsd*)
1435         LIBC="libc.so"
1436         INTL="libintl.so"
1437         ;;
1438 esac
1439 AC_SUBST(libsuffix)
1440
1441 if test "x$TARGET" != "xAMD64"; then
1442    # valgrind headers don't compile under x86-64
1443    AC_CHECK_HEADERS(valgrind/memcheck.h)
1444 fi
1445
1446 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1447         if test "x$with_tls" = "x__thread"; then
1448                 #
1449                 # On some linux distributions, TLS works in executables, but linking 
1450                 # against a shared library containing TLS fails with:
1451                 # undefined reference to `__tls_get_addr'
1452                 #
1453                 rm -f conftest.c conftest.so conftest
1454                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
1455                 gcc -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
1456                 gcc -o conftest conftest.so > /dev/null 2>&1
1457                 if test ! -f conftest; then
1458                    AC_MSG_WARN([Disabling usage of __thread.]);
1459                    with_tls=pthread
1460                 fi
1461                 rm -f conftest.c conftest.so conftest
1462         fi
1463 fi
1464
1465 if test "x$with_tls" = "x__thread"; then
1466         AC_DEFINE(HAVE_KW_THREAD)
1467    # Pass the information to libgc
1468         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
1469         export CPPFLAGS
1470         AC_MSG_CHECKING(if the tls_model attribute is supported)
1471         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
1472                 ], [
1473                         AC_MSG_RESULT(yes)
1474                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
1475                 ], [
1476                         AC_MSG_RESULT(no)
1477         ])
1478 fi
1479
1480 if test ${TARGET} = ARM; then
1481         dnl ******************************************
1482         dnl *** Check to see what FPU is available ***
1483         dnl ******************************************
1484         AC_MSG_CHECKING(which FPU to use)
1485
1486         AC_TRY_COMPILE([], [
1487                 __asm__ ("ldfd f0, [r0]");
1488                 ], fpu=FPA, [
1489                         AC_TRY_COMPILE([], [
1490                                 __asm__ ("fldd d0, [r0]");
1491                         ], fpu=VFP, fpu=NONE)
1492                 ])
1493
1494         AC_MSG_RESULT($fpu)
1495         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu"
1496         unset fpu
1497 fi
1498
1499 if test ${TARGET} = unknown; then
1500         CPPFLAGS="$CPPFLAGS -DNO_PORT"
1501         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
1502 fi
1503
1504 if test ${ACCESS_UNALIGNED} = no; then
1505         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
1506 fi
1507
1508 PREVIEW=yes
1509 AC_ARG_WITH(preview, [ --with-preview=yes,no     If you want to install the 2.0 FX preview],[
1510         if test x$with_preview = xyes; then
1511               PREVIEW=yes
1512         fi
1513 ])
1514
1515 AM_CONDITIONAL(INSTALL_2_0, test x$PREVIEW = xyes)
1516
1517 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
1518 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
1519 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
1520 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
1521 AM_CONDITIONAL(X86, test x$TARGET = xX86)
1522 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
1523 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
1524 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
1525 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
1526 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
1527 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
1528 AM_CONDITIONAL(S390, test x$TARGET = xS390)
1529 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
1530 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
1531
1532 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
1533 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
1534 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
1535
1536 AC_SUBST(LIBC)
1537 AC_SUBST(INTL)
1538
1539 AC_SUBST(arch_target)
1540 AC_SUBST(CFLAGS)
1541 AC_SUBST(CPPFLAGS)
1542 AC_SUBST(LDFLAGS)
1543
1544 mono_build_root=`pwd`
1545 AC_SUBST(mono_build_root)
1546
1547 if test x$USEJIT = xtrue; then
1548   mono_runtime=mono/mini/mono
1549 else
1550   mono_runtime=mono/interpreter/mint
1551 fi
1552 AC_SUBST(mono_runtime)
1553
1554 mono_cfg_root=$mono_build_root/runtime
1555 if test x$platform_win32 = xyes; then
1556   mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
1557 else
1558   mono_cfg_dir=$mono_cfg_root/etc
1559 fi
1560 AC_SUBST(mono_cfg_dir)
1561
1562 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
1563
1564 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
1565 [   depth=../../../..
1566     case $srcdir in
1567     [\\/$]* | ?:[\\/]* ) reldir=$srcdir ;;
1568     .) reldir=$depth ;;
1569     *) reldir=$depth/$srcdir ;;
1570     esac
1571     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
1572     cd runtime/etc/mono/1.0
1573     rm -f machine.config
1574     $LN_S $reldir/data/net_1_1/machine.config machine.config
1575     cd $depth
1576 ],[LN_S='$LN_S'])
1577
1578 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
1579 [   depth=../../../..
1580     case $srcdir in
1581     [\\/$]* | ?:[\\/]* ) reldir=$srcdir ;;
1582     .) reldir=$depth ;;
1583     *) reldir=$depth/$srcdir ;;
1584     esac
1585     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
1586     cd runtime/etc/mono/2.0
1587     rm -f machine.config
1588     $LN_S $reldir/data/net_2_0/machine.config machine.config
1589     cd $depth
1590 ],[LN_S='$LN_S'])
1591
1592 AC_OUTPUT([
1593 Makefile
1594 mint.pc
1595 mono.pc
1596 scripts/mono-nunit.pc
1597 mono/Makefile
1598 mono/utils/Makefile
1599 mono/metadata/Makefile
1600 mono/dis/Makefile
1601 mono/cil/Makefile
1602 mono/arch/Makefile
1603 mono/os/Makefile
1604 mono/os/win32/Makefile
1605 mono/os/unix/Makefile
1606 mono/arch/x86/Makefile
1607 mono/arch/amd64/Makefile
1608 mono/arch/hppa/Makefile
1609 mono/arch/ppc/Makefile
1610 mono/arch/sparc/Makefile
1611 mono/arch/s390/Makefile
1612 mono/arch/s390x/Makefile
1613 mono/arch/arm/Makefile
1614 mono/arch/alpha/Makefile
1615 mono/interpreter/Makefile
1616 mono/tests/Makefile
1617 mono/tests/tests-config
1618 mono/benchmark/Makefile
1619 mono/monoburg/Makefile
1620 mono/monograph/Makefile
1621 mono/io-layer/Makefile
1622 mono/handles/Makefile
1623 mono/mini/Makefile
1624 mono/profiler/Makefile
1625 ikvm-native/Makefile
1626 scripts/Makefile
1627 man/Makefile
1628 web/Makefile
1629 docs/Makefile
1630 data/Makefile
1631 data/net_1_1/Makefile
1632 data/net_2_0/Makefile
1633 samples/Makefile
1634 support/Makefile
1635 data/config
1636 mono.spec
1637 tools/Makefile
1638 tools/locale-builder/Makefile
1639 runtime/Makefile
1640 ])
1641
1642 (
1643   case $prefix in
1644   NONE) prefix=/usr/local ;;
1645   esac
1646   case $exec_prefix in
1647   NONE | '${prefix}') exec_prefix=$prefix ;;
1648   esac
1649
1650   echo "prefix=$prefix" > $srcdir/$mcsdir/build/config.make
1651   echo "exec_prefix=$exec_prefix" >> $srcdir/$mcsdir/build/config.make
1652   echo "mono_libdir=$exec_prefix/lib" >> $srcdir/$mcsdir/build/config.make
1653   echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$mcsdir/build/config.make
1654 )
1655
1656 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
1657
1658 echo "
1659         mcs source:  $mcs_topdir
1660         GC:          $gc
1661         Globalization:     $enable_glob
1662         TLS:         $with_tls
1663         SIGALTSTACK: $with_sigaltstack
1664         Engine:      $jit_status
1665         2.0 Alpha:   $PREVIEW
1666         JNI support: $jdk_headers_found
1667         libgdiplus:  $libgdiplus_msg
1668         $disabled
1669
1670 "