[PATCH 1/2] Improved fix for mono bug #692206
[mono.git] / configure.in
1 # Process this file with autoconf to produce a configure script.
2 #AC_PREREQ([2.62])
3
4 AC_INIT(mono, [2.11],
5         [http://bugzilla.novell.com/enter_bug.cgi?product=mono])
6
7 AC_CONFIG_SRCDIR([README])
8 AC_CONFIG_MACRO_DIR([m4])
9 AC_CANONICAL_SYSTEM
10 AC_CANONICAL_HOST
11
12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
13 # The extra brackets are to foil regex-based scans.
14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
15
16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign])
17 AM_CONFIG_HEADER([config.h])
18 AM_MAINTAINER_MODE
19
20 API_VER=2.0
21 AC_SUBST(API_VER)
22
23 AC_PROG_LN_S
24
25 # In case of cygwin, override LN_S, irrespective of what it determines.
26 # The build uses cygwin, but the actual runtime doesn't.
27 case $host_os in
28 *cygwin* ) LN_S='cp -p';;
29 esac
30
31 dnl
32 dnl libgc checks
33 dnl
34
35 gc_headers=no
36 gc=included
37 gc_msg="included Boehm"
38 use_included_gc=no
39 libgc_configure_args=
40
41 if test -d $srcdir/libgc ; then
42   gc_default=included
43 else
44   gc_default=boehm
45 fi
46
47 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
48 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
49 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
50 CFLAGS_FOR_LIBGC=$CFLAGS
51 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
52 CFLAGS_FOR_EGLIB=$CFLAGS
53
54 #
55 # These are the flags that need to be stored in the mono.pc file for 
56 # compiling code that will embed Mono
57 #
58 libmono_cflags=""
59 libmono_ldflags=""
60 AC_SUBST(libmono_cflags)
61 AC_SUBST(libmono_ldflags)
62
63 # Variable to have relocatable .pc files (lib, or lib64)
64 reloc_libdir=`basename ${libdir}`
65 AC_SUBST(reloc_libdir)
66
67 dnl if linker handles the version script
68 no_version_script=no
69
70 # Set to yes if Unix sockets cannot be created in an anonymous namespace
71 need_link_unlink=no
72
73 # Thread configuration inspired by sleepycat's db
74 AC_MSG_CHECKING([host platform characteristics])
75 libgc_threads=no
76 has_dtrace=no
77 parallel_mark=yes
78 ikvm_native=yes
79
80 case "$host" in
81         powerpc*-*-linux*)
82                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
83                 disable_munmap=yes
84         ;;
85 esac
86
87 host_win32=no
88 target_win32=no
89 platform_android=no
90 case "$host" in
91         *-mingw*|*-*-cygwin*)
92                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
93                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
94                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
95                 host_win32=yes
96                 if test "x$cross_compiling" = "xno"; then
97                         target_win32=yes
98                         if test "x$host" == "x$build"; then
99                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
100                         fi
101                         CC="gcc -mno-cygwin -g"
102                         CXX="g++ -mno-cygwin -g"
103                         # So libgc configure gets -mno-cygwin
104                         export CC
105                         export CXX
106                         CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -mno-cygwin"
107                 else
108                         target_win32=yes
109                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
110                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
111                 fi
112                 HOST_CC="gcc"
113                 # Windows 2000 is required that includes Internet Explorer 5.01
114                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
115                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
116                 libmono_cflags="-mno-cygwin -mms-bitfields -mwindows"
117                 libmono_ldflags="-mno-cygwin -mms-bitfields -mwindows"
118                 libdl=
119                 libgc_threads=win32
120                 gc_default=included
121                 with_sigaltstack=no
122                 LN_S=cp
123                 # This forces libgc to use the DllMain based thread registration code on win32
124                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
125                 ;;
126         *-*-*netbsd*)
127                 host_win32=no
128                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
129                 libmono_cflags="-D_REENTRANT"
130                 LDFLAGS="$LDFLAGS -pthread"
131                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
132                 libmono_ldflags="-pthread"
133                 need_link_unlink=yes
134                 libdl="-ldl"
135                 libgc_threads=pthreads
136                 with_sigaltstack=no
137                 use_sigposix=yes
138                 ;;
139         *-*-*freebsd*)
140                 host_win32=no
141                 if test "x$PTHREAD_CFLAGS" = "x"; then
142                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
143                         libmono_cflags=
144                 else
145                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
146                         libmono_cflags="$PTHREAD_CFLAGS"
147                 fi
148                 if test "x$PTHREAD_LIBS" = "x"; then
149                         LDFLAGS="$LDFLAGS -pthread"
150                         libmono_ldflags="-pthread"
151                 else
152                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
153                         libmono_ldflags="$PTHREAD_LIBS"
154                 fi
155                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
156                 need_link_unlink=yes
157                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
158                 libdl=
159                 libgc_threads=pthreads
160                 # This doesn't seem to work as of 7.0 on amd64
161                 with_sigaltstack=no
162 # TLS is only partially implemented on -CURRENT (compiler support
163 # but NOT library support)
164 #
165                 with_tls=pthread
166                 use_sigposix=yes
167                 ;;
168         *-*-*openbsd*)
169                 host_win32=no
170                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
171                 if test "x$disable_munmap" != "xyes"; then
172                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
173                 fi
174                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
175                 LDFLAGS="$LDFLAGS -pthread"
176                 need_link_unlink=yes
177                 AC_DEFINE(PTHREAD_POINTER_ID)
178                 libdl=
179                 gc_default=boehm
180                 libgc_threads=pthreads
181                 with_sigaltstack=no
182                 use_sigposix=yes
183                 ;;
184         *-*-linux-android*)
185                 host_win32=no
186                 platform_android=yes
187                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
188                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
189
190                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
191                 if test "x$disable_munmap" != "xyes"; then
192                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
193                 fi
194                 libmono_cflags="-D_REENTRANT"
195                 libdl="-ldl"
196                 libgc_threads=pthreads
197                 use_sigposix=yes
198
199                 with_tls=pthread
200                 with_sigaltstack=no
201                 with_static_mono=no
202
203                 # Android doesn't support boehm, as it's missing <link.h>
204                 support_boehm=no
205                 with_gc=sgen
206
207                 # isinf(3) requires -lm; see isinf check below
208                 LDFLAGS="$LDFLAGS -lm"
209
210                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
211                 # PAGE_SIZE; breaks mono/io-layer/collection.c
212                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
213                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
214                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
215
216                 # to bypass the underscore linker check, can't work when cross-compiling
217                 mono_cv_uscore=yes
218                 ;;
219         *-*-linux*)
220                 host_win32=no
221                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
222                 if test "x$disable_munmap" != "xyes"; then
223                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
224                 fi
225                 libmono_cflags="-D_REENTRANT"
226                 libdl="-ldl"
227                 libgc_threads=pthreads
228                 use_sigposix=yes
229                 ;;
230         *-*-nacl*)
231                 host_win32=no
232                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
233                 if test "x$disable_munmap" != "xyes"; then
234                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
235                 fi
236                 libmono_cflags="-D_REENTRANT"
237                 libdl=
238                 libgc_threads=pthreads
239                 gc_default=boehm
240                 use_sigposix=yes
241                 ikvm_native=no
242                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
243                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
244                 ;;
245         *-*-hpux*)
246                 host_win32=no
247                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
248                 # +ESdbgasm only valid on bundled cc on RISC
249                 # silently ignored for ia64
250                 if test $GCC != "yes"; then
251                         CFLAGS="$CFLAGS +ESdbgasm"
252                         # Arrange for run-time dereferencing of null
253                         # pointers to produce a SIGSEGV signal.
254                         LDFLAGS="$LDFLAGS -z"
255                 fi
256                 CFLAGS="$CFLAGS +ESdbgasm"
257                 LDFLAGS="$LDFLAGS -z"
258                 libmono_cflags="-D_REENTRANT"
259                 libmono_ldflags="-lpthread"
260                 libgc_threads=pthreads
261                 need_link_unlink=yes
262                 use_sigposix=yes
263                 ;;
264         *-*-solaris*)
265                 host_win32=no
266                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
267                 need_link_unlink=yes
268                 libmono_cflags="-D_REENTRANT"
269                 libgc_threads=pthreads
270                 # This doesn't seem to work on solaris/x86, but the configure test runs
271                 with_tls=pthread
272                 has_dtrace=yes
273                 use_sigposix=yes
274                 enable_solaris_tar_check=yes
275                 ;;
276         *-*-darwin*)
277                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
278                 host_win32=no
279                 platform_darwin=yes
280                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
281                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
282                 libmono_cflags="-D_THREAD_SAFE"
283                 LDFLAGS="$LDFLAGS -pthread"
284                 libmono_ldflags="-pthread"
285                 need_link_unlink=yes
286                 AC_DEFINE(PTHREAD_POINTER_ID)
287                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
288                 no_version_script=yes
289                 libdl=
290                 libgc_threads=pthreads
291                 has_dtrace=yes
292                 if test "x$cross_compiling" = "xyes"; then
293                         has_broken_apple_cpp=yes
294                 fi
295                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
296                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
297                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
298                 case "$host" in
299                         dnl Snow Leopard and newer config.guess reports as this
300                         i*86-*-darwin*)
301                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE -mmacosx-version-min=10.5"
302                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_FLAGS"
303                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
304                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
305                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
306                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
307                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
308                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
309                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
310                                 ;;
311                 esac
312                 ;;
313         *-*-haiku*)
314                 host_win32=no
315                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
316                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
317                 libdl=
318                 LIBS="$LIBS -lnetwork"
319                 need_link_unlink=yes
320                 AC_DEFINE(PTHREAD_POINTER_ID)
321                 libgc_threads=pthreads
322                 use_sigposix=yes
323                 ;;
324         *)
325                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
326                 host_win32=no
327                 libdl="-ldl"
328                 ;;
329 esac
330 AC_MSG_RESULT(ok)
331
332 if test x$need_link_unlink = xyes; then
333    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
334 fi
335
336 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
337 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
338 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
339 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
340 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
341 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
342
343 AC_CHECK_TOOL(CC, gcc, gcc)
344 AC_PROG_CC
345 AC_CHECK_TOOL(CXX, g++, g++)
346 AC_PROG_CXX
347 AM_PROG_AS
348 AM_PROG_CC_STDC
349 AC_PROG_INSTALL
350 AC_PROG_AWK
351 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
352 : ${CCAS='$(CC)'}
353 # Set ASFLAGS if not already set.
354 : ${CCASFLAGS='$(CFLAGS)'}
355 AC_SUBST(CCAS)
356 AC_SUBST(CCASFLAGS)
357
358 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
359 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
360 if test "x$CXX" = "xg++"; then
361         if test "x$GXX" != "xyes"; then
362                 # automake/libtool is so broken, it requires g++ even if the c++ sources
363                 # are inside automake conditionals
364                 AC_MSG_ERROR([You need to install g++])
365         fi
366 fi
367
368 AC_CHECK_PROG(BISON, bison,yes,no)
369 if test "x$BISON" = "xno";
370 then
371         AC_MSG_ERROR([You need to install bison])
372 fi
373
374 dnl may require a specific autoconf version
375 dnl AC_PROG_CC_FOR_BUILD
376 dnl CC_FOR_BUILD not automatically detected
377 CC_FOR_BUILD=$CC
378 CFLAGS_FOR_BUILD=$CFLAGS
379 BUILD_EXEEXT=
380 if test "x$cross_compiling" = "xyes"; then
381         CC_FOR_BUILD=cc
382         CFLAGS_FOR_BUILD=
383         BUILD_EXEEXT=""
384 fi
385 AC_SUBST(CC_FOR_BUILD)
386 AC_SUBST(CFLAGS_FOR_BUILD)
387 AC_SUBST(HOST_CC)
388 AC_SUBST(BUILD_EXEEXT)
389
390 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
391 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
392
393 # Set STDC_HEADERS
394 AC_HEADER_STDC
395 AC_LIBTOOL_WIN32_DLL
396 # This causes monodis to not link correctly
397 #AC_DISABLE_FAST_INSTALL
398 AM_PROG_LIBTOOL
399 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
400 DOLT
401
402 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
403 AC_SUBST(export_ldflags)
404
405 # Test whenever ld supports -version-script
406 AC_PROG_LD
407 AC_PROG_LD_GNU
408 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
409    no_version_script=yes
410 fi
411
412 AM_ICONV()
413
414 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
415
416 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h sys/utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h sys/uio.h sys/param.h)
417 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/sem.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h)
418 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
419                   [], [], [#include <stddef.h>
420                   #include <sys/socket.h>
421                   #include <linux/socket.h>])
422
423 AC_CHECK_HEADERS(sys/user.h, [], [],
424 [
425 #ifdef HAVE_SYS_PARAM_H
426 # include <sys/param.h>
427 #endif
428 ])
429
430 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
431 if test x$have_zlib = xyes; then
432    AC_TRY_COMPILE([#include <zlib.h>], [
433    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
434    return 0;
435    #else
436    #error No good zlib found
437    #endif
438    ],[
439         AC_MSG_RESULT(Using system zlib)
440         zlib_msg="system zlib"
441         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
442    ],[
443         AC_MSG_RESULT(Using embedded zlib)
444         have_zlib=no
445         zlib_msg="bundled zlib"
446    ])
447 fi
448
449 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
450 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
451
452 # for mono/metadata/debug-symfile.c
453 AC_CHECK_HEADERS(elf.h)
454
455 # for support
456 AC_CHECK_HEADERS(poll.h)
457 AC_CHECK_HEADERS(sys/poll.h)
458 AC_CHECK_HEADERS(sys/wait.h)
459 AC_CHECK_HEADERS(grp.h)
460 AC_CHECK_HEADERS(syslog.h)
461
462 # for mono/dis
463 AC_CHECK_HEADERS(wchar.h)
464 AC_CHECK_HEADERS(ieeefp.h)
465 AC_MSG_CHECKING(for isinf)
466 AC_TRY_LINK([#include <math.h>], [
467         int f = isinf (1);
468 ], [
469         AC_MSG_RESULT(yes)
470         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
471 ], [
472         # We'll have to use signals
473         AC_MSG_RESULT(no)
474 ])
475
476 # for Linux statfs support
477 AC_CHECK_HEADERS(linux/magic.h)
478
479 # not 64 bit clean in cross-compile
480 AC_CHECK_SIZEOF(void *, 4)
481
482 WARN=''
483 if test x"$GCC" = xyes; then
484         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings'
485                 # The runtime code does not respect ANSI C strict aliasing rules
486                 CFLAGS="$CFLAGS -fno-strict-aliasing"
487
488                 ORIG_CFLAGS=$CFLAGS
489                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
490                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
491                 AC_TRY_COMPILE([], [
492                                                    void main () { }
493                 ], [
494                    AC_MSG_RESULT(yes)
495                 ], [
496                    AC_MSG_RESULT(no)
497                    CFLAGS=$ORIG_CFLAGS
498                 ])
499
500                 ORIG_CFLAGS=$CFLAGS
501                 # Check for the normal version, since gcc ignores unknown -Wno options
502                 CFLAGS="$CFLAGS -Wunused-but-set-variable"
503                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
504                 AC_TRY_COMPILE([], [
505                                                    void main () { }
506                 ], [
507                    AC_MSG_RESULT(yes)
508                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
509                 ], [
510                    AC_MSG_RESULT(no)
511                    CFLAGS=$ORIG_CFLAGS
512                 ])
513 else
514         # The Sun Forte compiler complains about inline functions that access static variables
515         # so disable all inlining.
516         case "$host" in
517         *-*-solaris*)
518                 CFLAGS="$CFLAGS -Dinline="
519                 ;;
520         esac
521 fi
522 CFLAGS="$CFLAGS -g $WARN"
523 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
524
525 # Where's the 'mcs' source tree?
526 if test -d $srcdir/mcs; then
527   mcsdir=mcs
528 else
529   mcsdir=../mcs
530 fi
531
532 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
533         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
534                 mcsdir=$with_mcs_path
535         fi
536 )
537
538 #
539 # A sanity check to catch cases where the package was unpacked
540 # with an ancient tar program (Solaris)
541 #
542 AC_ARG_ENABLE(solaris-tar-check,
543 [  --disable-solaris-tar-check    disable solaris tar check],
544    do_solaris_tar_check=no, do_solaris_tar_check=yes)
545
546 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
547         AC_MSG_CHECKING(integrity of package)
548         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
549         then
550                 AC_MSG_RESULT(ok)
551         else
552                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
553                 AC_MSG_ERROR([$errorm])
554         fi
555 fi
556
557 if test "x$with_mcs_path" != "x"; then
558 mcs_topdir=$(cd "$mcsdir" && pwd)
559 mcs_topdir_from_srcdir=$mcs_topdir
560 else
561 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
562 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
563 fi
564
565 # Convert mcs_topdir* paths to Windows syntax.
566 if test x$cross_compiling$host_win32 = xnoyes; then
567   mcs_topdir=$(cygpath -m $mcs_topdir)
568   case $mcs_topdir_from_srcdir in
569     /cygdrive/*)
570         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
571         ;;
572   esac
573 fi
574
575 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
576 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
577
578 AC_SUBST([mcs_topdir])
579 AC_SUBST([mcs_topdir_from_srcdir])
580
581 # Where's the 'olive' source tree?
582 if test -d $srcdir/olive; then
583   olivedir=olive
584 else
585   olivedir=../olive
586 fi
587
588 if test -d $srcdir/$olivedir; then
589 olive_topdir='$(top_srcdir)/'$olivedir
590 fi
591
592 # gettext: prepare the translation directories. 
593 # we do not configure the full gettext, as we consume it dynamically from C#
594 AM_PO_SUBDIRS
595
596 if test "x$USE_NLS" = "xyes"; then
597    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
598
599    if test "x$HAVE_MSGFMT" = "xno"; then
600           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
601    fi
602 fi
603
604 AC_ARG_WITH([libgdiplus], 
605         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)], 
606         [], [with_libgdiplus=installed])
607
608 case $with_libgdiplus in
609 no|installed) libgdiplus_loc= ;;
610 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
611 /*) libgdiplus_loc=$with_libgdiplus ;;
612 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
613 esac
614 AC_SUBST([libgdiplus_loc])
615
616 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
617
618 pkg_config_path=
619 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
620         if test x$with_crosspkgdir = "x"; then
621                 if test -s $PKG_CONFIG_PATH; then
622                         pkg_config_path=$PKG_CONFIG_PATH
623                 fi
624         else
625                 pkg_config_path=$with_crosspkgdir
626                 PKG_CONFIG_PATH=$pkg_config_path
627                 export PKG_CONFIG_PATH
628         fi
629 )
630
631 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
632 AC_CONFIG_SUBDIRS(eglib)
633
634 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
635 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
636 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
637 BUILD_GLIB_LIBS="$GLIB_LIBS"
638 GMODULE_CFLAGS="$GLIB_CFLAGS"
639 GMODULE_LIBS="$GLIB_LIBS"
640   
641 AC_SUBST(GLIB_CFLAGS)
642 AC_SUBST(GLIB_LIBS)
643 AC_SUBST(GMODULE_CFLAGS)
644 AC_SUBST(GMODULE_LIBS)
645 AC_SUBST(BUILD_GLIB_CFLAGS)
646 AC_SUBST(BUILD_GLIB_LIBS)
647
648 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
649
650 # Enable support for fast thread-local storage
651 # Some systems have broken support, so we allow to disable it.
652 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
653
654 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
655 # This does not work on some platforms (bug #55253)
656 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
657
658 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
659 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
660
661 if test "x$enable_static" = "xno"; then
662    with_static_mono=no
663 fi
664
665 if test "x$enable_shared" = "xno"; then
666    with_shared_mono=no
667 fi
668
669 case $host in
670 *nacl* ) with_shared_mono=yes;;
671 esac
672
673 if test "x$host_win32" = "xyes"; then
674    # Boehm GC requires the runtime to be in its own dll
675    with_static_mono=no
676 fi
677
678 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
679 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
680 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
681
682 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
683 if test "x$with_xen_opt" = "xyes"; then
684         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
685         ORIG_CFLAGS=$CFLAGS
686         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
687         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
688         AC_TRY_COMPILE([], [
689                                            void main () { }
690         ], [
691            AC_MSG_RESULT(yes)
692            # Pass it to libgc as well
693            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
694         ], [
695            AC_MSG_RESULT(no)
696            CFLAGS=$ORIG_CFLAGS
697         ])
698 fi
699
700 AC_ARG_ENABLE(quiet-build, [  --enable-quiet-build  Enable quiet runtime build (on by default)], enable_quiet_build=$enableval, enable_quiet_build=yes)
701 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
702
703 if test x$enable_small_config = xyes; then
704         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
705         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
706 fi
707
708 AC_ARG_ENABLE(system-aot, [  --enable-system-aot  Enable the Ahead-Of-Time compilation of system assemblies during the build (on by default on some platforms)], enable_system_aot=$enableval, enable_system_aot=default)
709
710 DISABLED_FEATURES=none
711
712 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
713      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
714      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, normalization, assembly_remapping.],
715 [
716         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
717                 eval "mono_feature_disable_$feature='yes'"
718         done
719         DISABLED_FEATURES=$enable_minimal
720         disabled="Disabled:      $enable_minimal"
721 ],[])
722
723 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
724
725 if test "x$mono_feature_disable_aot" = "xyes"; then
726         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
727         AC_MSG_NOTICE([Disabled AOT compiler])
728 fi
729
730 if test "x$mono_feature_disable_profiler" = "xyes"; then
731         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
732         AC_MSG_NOTICE([Disabled support for the profiler])
733 fi
734 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
735
736 if test "x$mono_feature_disable_decimal" = "xyes"; then
737         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
738         AC_MSG_NOTICE([Disabled support for decimal])
739 fi
740
741 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
742         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
743         AC_MSG_NOTICE([Disabled support for P/Invoke])
744 fi
745
746 if test "x$mono_feature_disable_debug" = "xyes"; then
747         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
748         AC_MSG_NOTICE([Disabled support for runtime debugging])
749 fi
750
751 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
752         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
753         mono_feature_disable_reflection_emit_save=yes
754         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
755 fi
756
757 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
758         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
759         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
760 fi
761
762 if test "x$mono_feature_disable_large_code" = "xyes"; then
763         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
764         AC_MSG_NOTICE([Disabled support for large assemblies])
765 fi
766
767 if test "x$mono_feature_disable_logging" = "xyes"; then
768         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
769         AC_MSG_NOTICE([Disabled support for logging])
770 fi
771
772 if test "x$mono_feature_disable_com" = "xyes"; then
773         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
774         AC_MSG_NOTICE([Disabled COM support])
775 fi
776
777 if test "x$mono_feature_disable_ssa" = "xyes"; then
778         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
779         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
780 fi
781
782 if test "x$mono_feature_disable_generics" = "xyes"; then
783         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
784         AC_MSG_NOTICE([Disabled Generics Support])
785 fi
786
787 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
788         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
789         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
790 fi
791
792 if test "x$mono_feature_disable_portability" = "xyes"; then
793         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
794         AC_MSG_NOTICE([Disabled IO Portability layer])
795 fi
796
797 if test "x$mono_feature_disable_attach" = "xyes"; then
798         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
799         AC_MSG_NOTICE([Disabled agent attach])
800 fi
801
802 if test "x$mono_feature_disable_full_messages" = "xyes"; then
803         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
804         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
805 fi
806
807 if test "x$mono_feature_disable_verifier" = "xyes"; then
808         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
809         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
810 fi
811
812 if test "x$mono_feature_disable_jit" = "xyes"; then
813         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
814         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
815 fi
816
817 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
818
819 if test "x$mono_feature_disable_simd" = "xyes"; then
820         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
821         AC_MSG_NOTICE([Disabled SIMD support])
822 fi
823
824 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
825         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
826         AC_MSG_NOTICE([Disabled Soft Debugger.])
827 fi
828
829 if test "x$mono_feature_disable_normalization" = "xyes"; then
830         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
831         AC_MSG_NOTICE([Disabled String normalization support.])
832 fi
833
834 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
835         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
836         AC_MSG_NOTICE([Disabled Assembly remapping.])
837 fi
838
839 AC_MSG_CHECKING(for visibility __attribute__)
840 AC_TRY_COMPILE([], [
841    void __attribute__ ((visibility ("hidden"))) doit (void) {}
842    void main () { doit (); }
843 ], [
844    have_visibility_hidden=yes
845    AC_MSG_RESULT(yes)
846 ], [
847    have_visibility_hidden=no
848    AC_MSG_RESULT(no)
849 ])
850
851 AC_MSG_CHECKING(for deprecated __attribute__)
852 AC_TRY_COMPILE([
853      int doit (void) __attribute__ ((deprecated));
854      int doit (void) { return 0; }
855 ], [
856         return 0;
857 ], [
858    have_deprecated=yes
859    AC_MSG_RESULT(yes)
860 ], [
861    have_deprecated=no
862    AC_MSG_RESULT(no)
863 ])
864
865 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
866 if test x$enable_parallel_mark = xyes; then
867         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
868 fi
869
870 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
871 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
872
873 dnl
874 dnl Boehm GC configuration
875 dnl
876 LIBGC_CFLAGS=
877 LIBGC_LIBS=
878 LIBGC_STATIC_LIBS=
879 libgc_dir=
880 case "x$gc" in
881         xboehm|xbohem|xyes)
882                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
883                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
884
885                 if test "x$found_boehm" != "xyes"; then
886                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
887                 fi
888                 if test "x$gc_headers" != "xyes"; then
889                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
890                 fi
891
892                 LIBGC_LIBS="-lgc $libdl"
893                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
894                 libmono_ldflags="$libmono_ldflags -lgc"
895                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
896
897                 # AC_CHECK_FUNCS does not work for some reason...
898                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
899                 if test "x$found_gcj_malloc" = "xyes"; then
900                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
901                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
902                         gc_msg="System Boehm with typed GC"
903                 else
904                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
905                         gc_msg="System Boehm (without typed GC)"
906                 fi
907                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
908                 if test "x$found_gc_enable" = "xyes"; then
909                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
910                 fi
911
912                 # check whether we need to explicitly allow
913                 # thread registering
914                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
915                 if test "x$found_allow_register_threads" = "xyes"; then
916                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
917                 fi
918
919                 ;;
920
921         xincluded)
922                 use_included_gc=yes
923                 libgc_dir=libgc
924
925                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
926                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
927                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
928
929                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
930
931                 gc_msg="bundled Boehm GC with typed GC"
932                 if test x$enable_parallel_mark = xyes; then
933                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
934                         gc_msg="$gc_msg and parallel mark"
935                 else
936                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
937                 fi
938                 ;;
939
940         xsgen)
941                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
942                 ;;
943
944         xnone)
945                 AC_MSG_WARN("Compiling mono without GC.")
946                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
947                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
948                 ;;
949         *)
950                 AC_MSG_ERROR([Invalid argument to --with-gc.])
951                 ;;
952 esac
953
954 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
955 if test "x$large_heap" = "xyes"; then
956    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
957 fi
958
959 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
960 AC_SUBST(LIBGC_CFLAGS)
961 AC_SUBST(LIBGC_LIBS)
962 AC_SUBST(LIBGC_STATIC_LIBS)
963 AC_SUBST(libgc_dir)
964 AC_SUBST(BOEHM_DEFINES)
965
966 dnl
967 dnl End of libgc checks
968 dnl
969
970 dnl *************************************
971 dnl *** Checks for zero length arrays ***
972 dnl *************************************
973 AC_MSG_CHECKING(whether $CC supports zero length arrays)
974 AC_TRY_COMPILE([
975         struct s {
976                 int  length;
977                 char data [0];
978         };
979 ], [], [
980         AC_MSG_RESULT(yes)
981         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
982 ], [
983         AC_MSG_RESULT(no)
984         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
985 ])
986
987 if test x$target_win32 = xno; then
988
989         dnl hires monotonic clock support
990         AC_SEARCH_LIBS(clock_gettime, rt)
991
992         dnl dynamic loader support
993         AC_CHECK_FUNC(dlopen, DL_LIB="",
994                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
995         )
996         if test x$dl_support = xno; then
997                 AC_MSG_WARN([No dynamic loading support available])
998         else
999                 LIBS="$LIBS $DL_LIB"
1000                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1001                 dnl from glib's configure.in
1002                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1003                         mono_cv_uscore,[
1004                         AC_TRY_RUN([#include <dlfcn.h>
1005                         int mono_underscore_test (void) { return 42; }
1006                         int main() {
1007                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1008                           handle = dlopen ((void*)0, 0);
1009                           if (handle) {
1010                             f1 = dlsym (handle, "mono_underscore_test");
1011                             f2 = dlsym (handle, "_mono_underscore_test");
1012                           } return (!f2 || f1);
1013                         }],
1014                                 [mono_cv_uscore=yes],
1015                                 [mono_cv_uscore=no],
1016                         [])
1017                 ])
1018                 if test "x$mono_cv_uscore" = "xyes"; then
1019                         MONO_DL_NEED_USCORE=1
1020                 else
1021                         MONO_DL_NEED_USCORE=0
1022                 fi
1023                 AC_SUBST(MONO_DL_NEED_USCORE)
1024                 AC_CHECK_FUNC(dlerror)
1025         fi
1026
1027         dnl ******************************************************************
1028         dnl *** Checks for the IKVM JNI interface library                  ***
1029         dnl ******************************************************************
1030         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no      build the IKVM JNI interface library (defaults to yes)],[with_ikvm_native=$withval],[with_ikvm_native=$ikvm_native])
1031
1032         ikvm_native_dir=
1033         if test x$with_ikvm_native = xyes; then
1034                 ikvm_native_dir=ikvm-native
1035                 jdk_headers_found="IKVM Native"
1036         fi
1037
1038         AC_SUBST(ikvm_native_dir)
1039
1040         AC_CHECK_HEADERS(execinfo.h)
1041
1042         AC_CHECK_FUNCS(getgrgid_r)
1043         AC_CHECK_FUNCS(getgrnam_r)
1044         AC_CHECK_FUNCS(getpwnam_r)
1045         AC_CHECK_FUNCS(getpwuid_r)
1046         AC_CHECK_FUNCS(getresuid)
1047         AC_CHECK_FUNCS(setresuid)
1048         AC_CHECK_FUNCS(kqueue)
1049         AC_CHECK_FUNCS(backtrace_symbols)
1050         AC_CHECK_FUNCS(mkstemp)
1051         AC_CHECK_FUNCS(mmap)
1052         AC_CHECK_FUNCS(madvise)
1053         AC_CHECK_FUNCS(getrusage)
1054         AC_CHECK_FUNCS(getpriority)
1055         AC_CHECK_FUNCS(setpriority)
1056         AC_CHECK_FUNCS(dl_iterate_phdr)
1057         AC_CHECK_FUNCS(dladdr)
1058         AC_CHECK_FUNCS(sysconf)
1059
1060         AC_CHECK_FUNCS(sched_setaffinity)
1061         AC_CHECK_FUNCS(sched_getcpu)
1062
1063         dnl ****************************************************************
1064         dnl *** Check for sched_setaffinity from glibc versions before   ***
1065         dnl *** 2.3.4. The older versions of the function only take 2    ***
1066         dnl *** parameters, not 3.                                       ***
1067         dnl ***                                                          ***
1068         dnl *** Because the interface change was not made in a minor     ***
1069         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1070         dnl *** won't always indicate the interface sched_affinity has.  ***
1071         dnl ****************************************************************
1072         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1073         AC_TRY_COMPILE([#include <sched.h>], [
1074                 int main() {
1075             int mask = 1; 
1076             sched_setaffinity(0, &mask);
1077         }
1078         ], [
1079                 # Yes, we have it...
1080                 AC_MSG_RESULT(yes)
1081                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1082         ], [
1083                 # We have the new, three-parameter version
1084                 AC_MSG_RESULT(no)
1085         ])
1086
1087
1088         dnl ******************************************************************
1089         dnl *** Check for large file support                               ***
1090         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1091         dnl ******************************************************************
1092         
1093         # Check that off_t can represent 2**63 - 1 correctly, working around
1094         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1095         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1096         large_offt=no
1097         AC_DEFUN([LARGE_FILES], [
1098                 large_CPPFLAGS=$CPPFLAGS
1099                 CPPFLAGS="$CPPFLAGS $1"
1100                 AC_TRY_RUN([
1101                         #include <sys/types.h>
1102
1103                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
1104
1105                         int main(void) {
1106                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
1107                                                (BIG_OFF_T%2147483647==1));
1108                                 if(big_off_t) {
1109                                         exit(0);
1110                                 } else {
1111                                         exit(1);
1112                                 }
1113                         }
1114                 ], [
1115                         AC_MSG_RESULT(ok)
1116                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1117                         large_CPPFLAGS="$large_CPPFLAGS $1"
1118                         large_offt=yes
1119                 ], [
1120                         AC_MSG_RESULT(no)
1121                 ], "")
1122                 CPPFLAGS=$large_CPPFLAGS
1123         ])
1124
1125         AC_MSG_CHECKING(if off_t is 64 bits wide)
1126         LARGE_FILES("")
1127         if test $large_offt = no; then
1128                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1129                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1130         fi
1131         if test $large_offt = no; then
1132                 AC_MSG_WARN([No 64 bit file size support available])
1133         fi
1134         
1135         dnl *****************************
1136         dnl *** Checks for libsocket  ***
1137         dnl *****************************
1138         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1139
1140         dnl *******************************
1141         dnl *** Checks for MSG_NOSIGNAL ***
1142         dnl *******************************
1143         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1144         AC_TRY_COMPILE([#include <sys/socket.h>], [
1145                 int f = MSG_NOSIGNAL;
1146         ], [
1147                 # Yes, we have it...
1148                 AC_MSG_RESULT(yes)
1149                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1150         ], [
1151                 # We'll have to use signals
1152                 AC_MSG_RESULT(no)
1153         ])
1154
1155         dnl *****************************
1156         dnl *** Checks for SOL_IP     ***
1157         dnl *****************************
1158         AC_MSG_CHECKING(for SOL_IP)
1159         AC_TRY_COMPILE([#include <netdb.h>], [
1160                 int level = SOL_IP;
1161         ], [
1162                 # Yes, we have it...
1163                 AC_MSG_RESULT(yes)
1164                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1165         ], [
1166                 # We'll have to use getprotobyname
1167                 AC_MSG_RESULT(no)
1168         ])
1169
1170         dnl *****************************
1171         dnl *** Checks for SOL_IPV6     ***
1172         dnl *****************************
1173         AC_MSG_CHECKING(for SOL_IPV6)
1174         AC_TRY_COMPILE([#include <netdb.h>], [
1175                 int level = SOL_IPV6;
1176         ], [
1177                 # Yes, we have it...
1178                 AC_MSG_RESULT(yes)
1179                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1180         ], [
1181                 # We'll have to use getprotobyname
1182                 AC_MSG_RESULT(no)
1183         ])
1184
1185         dnl *****************************
1186         dnl *** Checks for SOL_TCP    ***
1187         dnl *****************************
1188         AC_MSG_CHECKING(for SOL_TCP)
1189         AC_TRY_COMPILE([#include <netdb.h>], [
1190                 int level = SOL_TCP;
1191         ], [
1192                 # Yes, we have it...
1193                 AC_MSG_RESULT(yes)
1194                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1195         ], [
1196                 # We'll have to use getprotobyname
1197                 AC_MSG_RESULT(no)
1198         ])
1199
1200         dnl *****************************
1201         dnl *** Checks for IP_PKTINFO ***
1202         dnl *****************************
1203         AC_MSG_CHECKING(for IP_PKTINFO)
1204         AC_TRY_COMPILE([#include <netdb.h>], [
1205                 int level = IP_PKTINFO;
1206         ], [
1207                 # Yes, we have it...
1208                 AC_MSG_RESULT(yes)
1209                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1210         ], [
1211                 AC_MSG_RESULT(no)
1212         ])
1213
1214         dnl *****************************
1215         dnl *** Checks for IPV6_PKTINFO ***
1216         dnl *****************************
1217         AC_MSG_CHECKING(for IPV6_PKTINFO)
1218         AC_TRY_COMPILE([#include <netdb.h>], [
1219                 int level = IPV6_PKTINFO;
1220         ], [
1221                 # Yes, we have it...
1222                 AC_MSG_RESULT(yes)
1223                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1224         ], [
1225                 AC_MSG_RESULT(no)
1226         ])
1227
1228         dnl **********************************
1229         dnl *** Checks for IP_DONTFRAGMENT ***
1230         dnl **********************************
1231         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1232         AC_TRY_COMPILE([#include <netdb.h>], [
1233                 int level = IP_DONTFRAGMENT;
1234         ], [
1235                 # Yes, we have it...
1236                 AC_MSG_RESULT(yes)
1237                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1238         ], [
1239                 AC_MSG_RESULT(no)
1240         ])
1241
1242         dnl **********************************
1243         dnl *** Checks for IP_MTU_DISCOVER ***
1244         dnl **********************************
1245         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1246         AC_TRY_COMPILE([#include <netdb.h>], [
1247                 int level = IP_MTU_DISCOVER;
1248         ], [
1249                 # Yes, we have it...
1250                 AC_MSG_RESULT(yes)
1251                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1252         ], [
1253                 AC_MSG_RESULT(no)
1254         ])
1255
1256         dnl *********************************
1257         dnl *** Check for struct ip_mreqn ***
1258         dnl *********************************
1259         AC_MSG_CHECKING(for struct ip_mreqn)
1260         AC_TRY_COMPILE([#include <netinet/in.h>], [
1261                 struct ip_mreqn mreq;
1262                 mreq.imr_address.s_addr = 0;
1263         ], [
1264                 # Yes, we have it...
1265                 AC_MSG_RESULT(yes)
1266                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1267         ], [
1268                 # We'll just have to try and use struct ip_mreq
1269                 AC_MSG_RESULT(no)
1270                 AC_MSG_CHECKING(for struct ip_mreq)
1271                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1272                         struct ip_mreq mreq;
1273                         mreq.imr_interface.s_addr = 0;
1274                 ], [
1275                         # Yes, we have it...
1276                         AC_MSG_RESULT(yes)
1277                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1278                 ], [
1279                         # No multicast support
1280                         AC_MSG_RESULT(no)
1281                 ])
1282         ])
1283         
1284         dnl **********************************
1285         dnl *** Check for gethostbyname2_r ***
1286         dnl **********************************
1287         AC_MSG_CHECKING(for gethostbyname2_r)
1288                 AC_TRY_LINK([#include <netdb.h>], [
1289                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1290         ], [
1291                 # Yes, we have it...
1292                 AC_MSG_RESULT(yes)
1293                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1294         ], [
1295                 AC_MSG_RESULT(no)
1296         ])
1297
1298         dnl *****************************
1299         dnl *** Checks for libnsl     ***
1300         dnl *****************************
1301         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1302
1303         AC_CHECK_FUNCS(inet_pton inet_aton)
1304
1305         dnl ***********************************************
1306         dnl *** Checks for size of sockaddr_un.sun_path ***
1307         dnl ***********************************************
1308         # AC_CHECK_SIZEOF can't cope with struct members :-(
1309         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1310         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1311                 [AC_TRY_RUN([
1312                         #include <sys/types.h>
1313                         #include <stdio.h>
1314                         #include <sys/un.h>
1315
1316                         int main(void) {
1317                                 struct sockaddr_un sock_un;
1318                                 FILE *f=fopen("conftestval", "w");
1319                                 if(!f) exit(1);
1320                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1321                                 exit(0);
1322                         }
1323                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1324                    mono_cv_sizeof_sunpath=0,
1325                    mono_cv_sizeof_sunpath=0)])dnl
1326         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1327         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1328
1329         dnl *****************************
1330         dnl *** Checks for libxnet    ***
1331         dnl *****************************
1332         case "${host}" in
1333                 *solaris* )
1334                         AC_MSG_CHECKING(for Solaris XPG4 support)
1335                         if test -f /usr/lib/libxnet.so; then
1336                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1337                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1338                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1339                                 LIBS="$LIBS -lxnet"
1340                                 AC_MSG_RESULT(yes)
1341                         else
1342                                 AC_MSG_RESULT(no)
1343                         fi
1344
1345                         if test "$GCC" = "yes"; then
1346                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1347                         fi
1348                 ;;
1349         esac
1350
1351         dnl *****************************
1352         dnl *** Checks for libpthread ***
1353         dnl *****************************
1354 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1355 # and libpthread does not exist
1356 #
1357         case "${host}" in
1358                 *-*-*freebsd*)
1359                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1360                 ;;
1361                 *-*-*openbsd*)
1362                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1363                 ;;
1364                 *)
1365                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1366                 ;;
1367         esac
1368         AC_CHECK_HEADERS(pthread.h)
1369         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1370         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1371         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1372         AC_TRY_COMPILE([ #include <pthread.h>], [
1373                 pthread_mutexattr_t attr;
1374                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1375         ], [
1376                 AC_MSG_RESULT(ok)
1377         ], [
1378                 AC_MSG_RESULT(no)
1379                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1380                 AC_DEFINE(USE_MONO_MUTEX, 1, [Use mono_mutex_t])
1381         ])
1382         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1383         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1384         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1385
1386         dnl ***********************************
1387         dnl *** Checks for signals
1388         dnl ***********************************
1389         AC_CHECK_HEADERS(signal.h)
1390         AC_CHECK_FUNCS(sigaction)
1391
1392         dnl ***********************************
1393         dnl *** Checks for working __thread ***
1394         dnl ***********************************
1395         AC_MSG_CHECKING(for working __thread)
1396         if test "x$with_tls" != "x__thread"; then
1397                 AC_MSG_RESULT(disabled)
1398         else
1399                 AC_TRY_RUN([
1400                         #include <pthread.h>
1401                         __thread int i;
1402                         static int res1, res2;
1403
1404                         void thread_main (void *arg)
1405                         {
1406                                 i = arg;
1407                                 sleep (1);
1408                                 if (arg == 1)
1409                                         res1 = (i == arg);
1410                                 else
1411                                         res2 = (i == arg);
1412                         }
1413
1414                         int main () {
1415                                 pthread_t t1, t2;
1416
1417                                 i = 5;
1418
1419                                 pthread_create (&t1, NULL, thread_main, 1);
1420                                 pthread_create (&t2, NULL, thread_main, 2);
1421
1422                                 pthread_join (t1, NULL);
1423                                 pthread_join (t2, NULL);
1424
1425                                 return !(res1 + res2 == 2);
1426                         }
1427                 ], [
1428                                 AC_MSG_RESULT(yes)
1429                 ], [
1430                                 AC_MSG_RESULT(no)
1431                                 with_tls=pthread
1432                 ])
1433         fi
1434
1435         dnl **************************************
1436         dnl *** Checks for working sigaltstack ***
1437         dnl **************************************
1438         AC_MSG_CHECKING(for working sigaltstack)
1439         if test "x$with_sigaltstack" != "xyes"; then
1440                 AC_MSG_RESULT(disabled)
1441         else
1442                 AC_TRY_RUN([
1443                         #include <stdio.h>
1444                         #include <stdlib.h>
1445                         #include <unistd.h>
1446                         #include <signal.h>
1447                         #include <pthread.h>
1448                         #include <sys/wait.h>
1449                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1450                         #define SA_STACK SA_ONSTACK
1451                         #endif
1452                         static void
1453                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1454                         {
1455                                 exit (0);
1456                         }
1457
1458                         static void *
1459                         loop (void *ignored)
1460                         {
1461                                 char *ptr = NULL;
1462
1463                                 *ptr = 0;
1464                                 return NULL;
1465                         }
1466
1467                         static void
1468                         child ()
1469                         {
1470                                 struct sigaction sa;
1471                                 struct sigaltstack sas;
1472                                 pthread_t id;
1473                                 pthread_attr_t attr;
1474
1475                                 sa.sa_sigaction = sigsegv_signal_handler;
1476                                 sigemptyset (&sa.sa_mask);
1477                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1478                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1479                                         perror ("sigaction");
1480                                         return;
1481                                 }
1482
1483                                 sas.ss_sp = malloc (SIGSTKSZ);
1484                                 sas.ss_size = SIGSTKSZ;
1485                                 sas.ss_flags = 0;
1486                                 if (sigaltstack (&sas, NULL) == -1) {
1487                                         perror ("sigaltstack");
1488                                         return;
1489                                 }
1490
1491                                 pthread_attr_init (&attr);
1492                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1493                                         printf ("pthread_create\n");
1494                                         return;
1495                                 }
1496
1497                                 sleep (100);
1498                         }
1499
1500                         int
1501                         main ()
1502                         {
1503                                 pid_t son;
1504                                 int status;
1505                                 int i;
1506
1507                                 son = fork ();
1508                                 if (son == -1) {
1509                                         return 1;
1510                                 }
1511
1512                                 if (son == 0) {
1513                                         child ();
1514                                         return 0;
1515                                 }
1516
1517                                 for (i = 0; i < 3; ++i) {
1518                                         sleep (1);
1519                                         waitpid (son, &status, WNOHANG);
1520                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1521                                                 return 0;
1522                                 }
1523
1524                                 kill (son, SIGKILL);
1525                                 return 1;
1526                         }
1527
1528                 ], [
1529                                 AC_MSG_RESULT(yes)
1530                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1531                 ], [
1532                                 with_sigaltstack=no
1533                                 AC_MSG_RESULT(no)
1534                 ])
1535         fi
1536
1537         dnl ********************************
1538         dnl *** Checks for semaphore lib ***
1539         dnl ********************************
1540         # 'Real Time' functions on Solaris
1541         # posix4 on Solaris 2.6
1542         # pthread (first!) on Linux
1543         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1544
1545         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1546         AC_CHECK_FUNCS(shm_open)
1547
1548         dnl ********************************
1549         dnl *** Checks for timezone stuff **
1550         dnl ********************************
1551         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1552                 AC_TRY_COMPILE([
1553                         #include <time.h>
1554                         ], [
1555                         struct tm tm;
1556                         tm.tm_gmtoff = 1;
1557                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1558         if test $ac_cv_struct_tm_gmtoff = yes; then
1559                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1560         else
1561                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1562                         AC_TRY_COMPILE([
1563                                 #include <time.h>
1564                         ], [
1565                                 timezone = 1;
1566                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1567                 if test $ac_cv_var_timezone = yes; then
1568                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1569                 else
1570                         AC_ERROR(unable to find a way to determine timezone)
1571                 fi
1572         fi
1573
1574         dnl *********************************
1575         dnl *** Checks for math functions ***
1576         dnl *********************************
1577         AC_SEARCH_LIBS(sqrtf, m)
1578         if test "x$has_broken_apple_cpp" != "xyes"; then
1579                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1580                         AC_TRY_LINK([#include <math.h>], 
1581                         [ finite(0.0); ], 
1582                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1583                         AC_MSG_RESULT(no)))
1584         fi
1585         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1586                 AC_TRY_LINK([#include <math.h>], 
1587                 [ isfinite(0.0); ], 
1588                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1589                 AC_MSG_RESULT(no)))
1590
1591         dnl ****************************************************************
1592         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1593         dnl *** have it in the library (duh))                            ***
1594         dnl ****************************************************************
1595         AC_CHECK_FUNCS(poll)
1596
1597         dnl *************************
1598         dnl *** Check for signbit ***
1599         dnl *************************
1600         AC_MSG_CHECKING(for signbit)
1601         AC_TRY_LINK([#include <math.h>], [
1602                 int s = signbit(1.0);
1603         ], [
1604                 AC_MSG_RESULT(yes)
1605                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1606         ], [
1607                 AC_MSG_RESULT(no)
1608         ]) 
1609
1610         dnl **********************************
1611         dnl *** epoll                      ***
1612         dnl **********************************
1613         AC_CHECK_HEADERS(sys/epoll.h)
1614         haveepoll=no
1615         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1616         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1617                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1618         fi
1619
1620         havekqueue=no
1621         AC_CHECK_FUNCS(kqueue, , AC_MSG_CHECKING(for kqueue in sys/event.h)
1622                 AC_TRY_LINK([#include <sys/event.h>], 
1623                 [ kqueue(); ], 
1624                 AC_DEFINE(HAVE_KQUEUE, 1, [Have kqueue]) AC_MSG_RESULT(yes),
1625                 AC_MSG_RESULT(no)))
1626         dnl ******************************
1627         dnl *** Checks for SIOCGIFCONF ***
1628         dnl ******************************
1629         AC_CHECK_HEADERS(sys/ioctl.h)
1630         AC_CHECK_HEADERS(net/if.h, [], [],
1631            [
1632            #ifdef HAVE_SYS_TYPES_H
1633            # include <sys/types.h>
1634            #endif
1635            #ifdef HAVE_SYS_SOCKET_H
1636            # include <sys/socket.h>
1637            #endif
1638            ])
1639         AC_MSG_CHECKING(for ifreq)
1640         AC_TRY_COMPILE([
1641                 #include <stdio.h>
1642                 #include <sys/ioctl.h>
1643                 #include <net/if.h>
1644                 ], [
1645                 struct ifconf ifc;
1646                 struct ifreq *ifr;
1647                 void *x;
1648                 ifc.ifc_len = 0;
1649                 ifc.ifc_buf = NULL;
1650                 x = (void *) &ifr->ifr_addr;
1651                 ],[
1652                         AC_MSG_RESULT(yes)
1653                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1654                 ], [
1655                         AC_MSG_RESULT(no)
1656                 ])
1657         dnl **********************************
1658         dnl ***     Checks for sin_len     ***
1659         dnl **********************************
1660         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1661         AC_TRY_COMPILE([
1662                 #include <netinet/in.h>
1663                 ], [
1664                 struct sockaddr_in saddr;
1665                 saddr.sin_len = sizeof (saddr);
1666                 ],[
1667                         AC_MSG_RESULT(yes)
1668                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1669                 ], [
1670                         AC_MSG_RESULT(no)
1671                 ])      
1672         dnl **********************************
1673         dnl ***    Checks for sin6_len     ***
1674         dnl **********************************
1675         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1676         AC_TRY_COMPILE([
1677                 #include <netinet/in.h>
1678                 ], [
1679                 struct sockaddr_in6 saddr6;
1680                 saddr6.sin6_len = sizeof (saddr6);
1681                 ],[
1682                         AC_MSG_RESULT(yes)
1683                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1684                 ], [
1685                         AC_MSG_RESULT(no)
1686                 ])      
1687         dnl **********************************
1688         dnl *** Checks for MonoPosixHelper ***
1689         dnl **********************************
1690         AC_CHECK_HEADERS(checklist.h)
1691         AC_CHECK_HEADERS(pathconf.h)
1692         AC_CHECK_HEADERS(fstab.h)
1693         AC_CHECK_HEADERS(attr/xattr.h)
1694         AC_CHECK_HEADERS(sys/extattr.h)
1695         AC_CHECK_HEADERS(sys/sendfile.h)
1696         AC_CHECK_HEADERS(sys/statvfs.h)
1697         AC_CHECK_HEADERS(sys/statfs.h)
1698         AC_CHECK_HEADERS(sys/vfstab.h)
1699         AC_CHECK_HEADERS(sys/xattr.h)
1700         AC_CHECK_HEADERS(sys/mman.h)
1701         AC_CHECK_HEADERS(sys/param.h)
1702         AC_CHECK_HEADERS(sys/mount.h, [], [],
1703                 [
1704                 #ifdef HAVE_SYS_PARAM_H
1705                 # include <sys/param.h>
1706                 #endif
1707                 ])
1708         AC_CHECK_HEADERS(sys/mount.h)
1709         AC_CHECK_FUNCS(confstr)
1710         AC_CHECK_FUNCS(seekdir telldir)
1711         AC_CHECK_FUNCS(getdomainname)
1712         AC_CHECK_FUNCS(setdomainname)
1713         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1714         AC_CHECK_FUNCS(setgroups)
1715         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1716         AC_CHECK_FUNCS(getfsstat)
1717         AC_CHECK_FUNCS(lutimes futimes)
1718         AC_CHECK_FUNCS(mremap)
1719         AC_CHECK_FUNCS(remap_file_pages)
1720         AC_CHECK_FUNCS(posix_fadvise)
1721         AC_CHECK_FUNCS(posix_fallocate)
1722         AC_CHECK_FUNCS(posix_madvise)
1723         AC_CHECK_FUNCS(vsnprintf)
1724         AC_CHECK_FUNCS(sendfile)
1725         AC_CHECK_FUNCS(gethostid sethostid)
1726         AC_CHECK_FUNCS(sethostname)
1727         AC_CHECK_FUNCS(statfs)
1728         AC_CHECK_FUNCS(fstatfs)
1729         AC_CHECK_FUNCS(statvfs)
1730         AC_CHECK_FUNCS(fstatvfs)
1731         AC_CHECK_FUNCS(stime)
1732         AC_CHECK_FUNCS(strerror_r)
1733         AC_CHECK_FUNCS(ttyname_r)
1734         AC_CHECK_FUNCS(psignal)
1735         AC_CHECK_FUNCS(getlogin_r)
1736         AC_CHECK_FUNCS(lockf)
1737         AC_CHECK_FUNCS(swab)
1738         AC_CHECK_FUNCS(setusershell endusershell)
1739         AC_CHECK_SIZEOF(size_t)
1740         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
1741                 [#include <sys/types.h>
1742                  #include <sys/stat.h>
1743                  #include <unistd.h>])
1744         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1745                 [#include <sys/types.h>
1746                  #include <sys/stat.h>
1747                  #include <unistd.h>])
1748         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1749                 [#include <sys/time.h>])
1750         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
1751                 [#include <unistd.h>
1752                  #include <fcntl.h>])
1753         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1754                 [#include <sys/poll.h>])
1755         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1756                 [#include <sys/types.h>
1757                  #include <sys/stat.h>
1758                  #include <unistd.h>])
1759         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
1760                 [#include <time.h>])
1761         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1762                 [#include <sys/time.h>
1763                  #include <sys/types.h>
1764                  #include <utime.h>])
1765         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1766                 [#include <sys/time.h>])
1767         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
1768                 [#include <sys/types.h>
1769                  #include <utime.h>])
1770         AC_CHECK_MEMBERS(
1771                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
1772                 [#include <sys/types.h>
1773                  #include <dirent.h>])
1774         AC_CHECK_MEMBERS(
1775                 [struct passwd.pw_gecos],,, 
1776                 [#include <sys/types.h>
1777                  #include <pwd.h>])
1778         AC_CHECK_MEMBERS(
1779                 [struct statfs.f_flags],,, 
1780                 [#include <sys/types.h>
1781                  #include <sys/vfs.h>])
1782
1783         dnl Favour xattr through glibc, but use libattr if we have to
1784         AC_CHECK_FUNC(lsetxattr, ,
1785                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1786         )
1787         AC_SUBST(XATTR_LIB)
1788
1789         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
1790         AC_CHECK_MEMBERS(
1791                 [struct kinfo_proc.kp_proc],,, 
1792                 [#include <sys/types.h>
1793                  #include <sys/param.h>
1794                  #include <sys/sysctl.h>
1795                  #include <sys/proc.h>
1796                  ])
1797
1798         dnl *********************************
1799         dnl *** Checks for Windows compilation ***
1800         dnl *********************************
1801         AC_CHECK_HEADERS(sys/time.h)
1802         AC_CHECK_HEADERS(sys/param.h)
1803         AC_CHECK_HEADERS(dirent.h)
1804
1805         dnl *********************************
1806         dnl *** Check for Console 2.0 I/O ***
1807         dnl *********************************
1808         AC_CHECK_HEADERS([curses.h])
1809         AC_CHECK_HEADERS([term.h], [], [],
1810         [#if HAVE_CURSES_H
1811          #include <curses.h>
1812          #endif
1813         ])
1814         AC_CHECK_HEADERS([termios.h])
1815
1816         dnl * This is provided in io-layer, but on windows it's only available
1817         dnl * on xp+
1818         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1819 else
1820         dnl *********************************
1821         dnl *** Checks for Windows compilation ***
1822         dnl *********************************
1823         AC_CHECK_HEADERS(winternl.h)
1824
1825         jdk_headers_found=no
1826         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1827         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1828         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1829         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
1830         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1831         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
1832         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
1833
1834         dnl *********************************
1835         dnl *** Check for struct ip_mreqn ***
1836         dnl *********************************
1837         AC_MSG_CHECKING(for struct ip_mreqn)
1838         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1839                 struct ip_mreqn mreq;
1840                 mreq.imr_address.s_addr = 0;
1841         ], [
1842                 # Yes, we have it...
1843                 AC_MSG_RESULT(yes)
1844                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1845         ], [
1846                 # We'll just have to try and use struct ip_mreq
1847                 AC_MSG_RESULT(no)
1848                 AC_MSG_CHECKING(for struct ip_mreq)
1849                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1850                         struct ip_mreq mreq;
1851                         mreq.imr_interface.s_addr = 0;
1852                 ], [
1853                         # Yes, we have it...
1854                         AC_MSG_RESULT(yes)
1855                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1856                 ], [
1857                         # No multicast support
1858                         AC_MSG_RESULT(no)
1859                 ])
1860         ])
1861         AC_CHECK_FUNCS(GetProcessId)
1862 fi
1863
1864 dnl socklen_t check
1865 AC_MSG_CHECKING(for socklen_t)
1866 AC_TRY_COMPILE([
1867 #include <sys/types.h>
1868 #include <sys/socket.h>
1869 ],[
1870   socklen_t foo;
1871 ],[
1872 ac_cv_c_socklen_t=yes
1873         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
1874         AC_MSG_RESULT(yes)
1875 ],[
1876         AC_MSG_RESULT(no)
1877 ])
1878
1879 AC_MSG_CHECKING(for array element initializer support)
1880 AC_TRY_COMPILE([#include <sys/socket.h>], [
1881         const int array[] = {[1] = 2,};
1882 ], [
1883         # Yes, we have it...
1884         AC_MSG_RESULT(yes)
1885         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1886 ], [
1887         # We'll have to use signals
1888         AC_MSG_RESULT(no)
1889 ])
1890
1891 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1892         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1893         AC_TRY_LINK([#include <math.h>], 
1894         [ static void *p = &trunc; ],
1895         [
1896                 AC_DEFINE(HAVE_TRUNC) 
1897                 AC_MSG_RESULT(yes)
1898                 ac_cv_trunc=yes
1899         ],
1900         AC_MSG_RESULT(no)))
1901
1902 if test "x$ac_cv_truncl" != "xyes"; then
1903    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
1904 fi
1905
1906 AC_CHECK_FUNCS(round)
1907 AC_CHECK_FUNCS(rint)
1908 AC_CHECK_FUNCS(execvp)
1909
1910 dnl ****************************
1911 dnl *** Look for /dev/random ***
1912 dnl ****************************
1913
1914 AC_MSG_CHECKING([if usage of random device is requested])
1915 AC_ARG_ENABLE(dev-random,
1916 [  --disable-dev-random    disable the use of the random device (enabled by default)],
1917 try_dev_random=$enableval, try_dev_random=yes)
1918
1919 AC_MSG_RESULT($try_dev_random)
1920
1921 case "{$build}" in
1922     *-openbsd*)
1923     NAME_DEV_RANDOM="/dev/srandom"
1924     ;;
1925
1926 dnl Win32 does not have /dev/random, they have their own method...
1927
1928     *-mingw*|*-*-cygwin*)
1929     ac_cv_have_dev_random=no
1930     ;;
1931
1932 dnl Everywhere else, it's /dev/random
1933
1934     *)
1935     NAME_DEV_RANDOM="/dev/random"
1936     ;;
1937 esac
1938
1939 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
1940
1941 dnl Now check if the device actually exists
1942
1943 if test "x$try_dev_random" = "xyes"; then
1944     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1945     [if test -r "$NAME_DEV_RANDOM" ; then
1946         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1947     if test "x$ac_cv_have_dev_random" = "xyes"; then
1948         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
1949     fi
1950 else
1951     AC_MSG_CHECKING(for random device)
1952     ac_cv_have_dev_random=no
1953     AC_MSG_RESULT(has been disabled)
1954 fi
1955
1956 if test "x$host_win32" = "xyes"; then
1957     AC_DEFINE(HAVE_CRYPT_RNG)
1958 fi
1959
1960 if test "x$ac_cv_have_dev_random" = "xno" \
1961     && test "x$host_win32" = "xno"; then
1962     AC_MSG_WARN([[
1963 ***
1964 *** A system-provided entropy source was not found on this system.
1965 *** Because of this, the System.Security.Cryptography random number generator
1966 *** will throw a NotImplemented exception.
1967 ***
1968 *** If you are seeing this message, and you know your system DOES have an
1969 *** entropy collection in place, please contact <crichton@gimp.org> and
1970 *** provide information about the system and how to access the random device.
1971 ***
1972 *** Otherwise you can install either egd or prngd and set the environment
1973 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1974 ***]])
1975 fi
1976  
1977 AC_MSG_CHECKING([if inter-process shared handles are requested])
1978 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1979 AC_MSG_RESULT($try_shared_handles)
1980 if test "x$try_shared_handles" != "xyes"; then
1981         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
1982         AC_SUBST(DISABLE_SHARED_HANDLES)
1983 fi
1984
1985 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
1986 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1987
1988 AC_MSG_CHECKING([if big-arrays are to be enabled])
1989 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
1990 if test "x$enable_big_arrays" = "xyes" ; then
1991     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
1992         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
1993     else
1994         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
1995     fi
1996 fi
1997 AC_MSG_RESULT($enable_big_arrays)
1998
1999 dnl **************
2000 dnl *** DTRACE ***
2001 dnl **************
2002
2003 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2004
2005 if test "x$enable_dtrace" = "xyes"; then
2006    if test "x$has_dtrace" = "xno"; then
2007           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2008    fi
2009    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2010    if test "x$DTRACE" = "xno"; then
2011           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2012           enable_dtrace=no
2013    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2014           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2015           enable_dtrace=no
2016    fi
2017 fi
2018
2019 dtrace_g=no
2020 if test "x$enable_dtrace" = "xyes"; then
2021         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2022         DTRACEFLAGS=
2023         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2024                 case "$host" in
2025                         powerpc-*-darwin*)
2026                         DTRACEFLAGS="-arch ppc64"
2027                         ;;
2028                         i*86-*-darwin*)
2029                         DTRACEFLAGS="-arch x86_64"
2030                         ;;
2031                         *)
2032                         DTRACEFLAGS=-64
2033                         ;;
2034                 esac
2035         else
2036                 case "$host" in
2037                         powerpc-*-darwin*)
2038                         DTRACEFLAGS="-arch ppc"
2039                         ;;
2040                         i*86-*-darwin*)
2041                         DTRACEFLAGS="-arch i386"
2042                         ;;
2043                         *)
2044                         DTRACEFLAGS=-32
2045                         ;;
2046                 esac
2047         fi
2048         AC_SUBST(DTRACEFLAGS)
2049         case "$host" in
2050                 *-*-solaris*)
2051                 dtrace_g=yes
2052                 ;;
2053         esac
2054         AC_CHECK_HEADERS([sys/sdt.h])
2055 fi
2056 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2057 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2058
2059 dnl **************
2060 dnl ***  NaCl  ***
2061 dnl **************
2062
2063 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2064 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2065
2066 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2067 if test "x$enable_nacl_codegen" = "xyes"; then
2068    MONO_NACL_ALIGN_MASK_OFF=1
2069    CPPFLAGS="$CPPFLAGS -D__native_client_codegen__"
2070    AC_DEFINE(TARGET_NACL, 1, [...])
2071 else
2072    MONO_NACL_ALIGN_MASK_OFF=0
2073    CPPFLAGS="$CPPFLAGS -D__default_codegen__"
2074 fi
2075 if test "x$enable_nacl_gc" = "xyes"; then
2076    CPPFLAGS="$CPPFLAGS -finstrument-for-thread-suspension -D__native_client_gc__"
2077 fi
2078 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2079
2080 dnl **************
2081 dnl ***  LLVM  ***
2082 dnl **************
2083
2084 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2085 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2086
2087 if test "x$enable_llvm" = "xyes"; then
2088    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2089    if test "x$LLVM_CONFIG" = "xno"; then
2090           AC_MSG_ERROR([llvm-config not found.])
2091    fi
2092
2093    # The output of --cflags seems to include optimizations flags too
2094    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2095    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2096    # from LLVM classes.
2097    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2098    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2099    LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit x86codegen`
2100    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2101
2102    # Should be something like '2.6' or '2.7svn'
2103    llvm_version=`$LLVM_CONFIG --version`
2104    major_version=`echo $llvm_version | cut -c 1`
2105    minor_version=`echo $llvm_version | cut -c 3`
2106    AC_MSG_CHECKING(LLVM version)
2107    AC_MSG_RESULT($llvm_version)
2108    if echo $llvm_version | grep -q 'mono'; then
2109           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2110           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"       
2111    else
2112           AC_MSG_ERROR([Compiling with stock LLVM is not supported, please use the Mono LLVM repo at https://github.com/mono/llvm, with the GIT branch which matches this version of mono, i.e. 'mono-2-10' for Mono 2.10.])
2113    fi
2114
2115    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2116    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2117    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2118
2119    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2120    # llvm's config.h
2121    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2122
2123    AC_SUBST(LLVM_CFLAGS)
2124    AC_SUBST(LLVM_CXXFLAGS)
2125    AC_SUBST(LLVM_LIBS)
2126    AC_SUBST(LLVM_LDFLAGS)
2127    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2128 fi
2129
2130 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2131 if test "x$enable_loadedllvm" = "xyes"; then
2132    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2133 fi
2134 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2135
2136 TARGET="unknown"
2137 ACCESS_UNALIGNED="yes"
2138
2139 JIT_SUPPORTED=no
2140 INTERP_SUPPORTED=no
2141 LIBC="libc.so.6"
2142 INTL="libc.so.6"
2143 SQLITE="libsqlite.so.0"
2144 SQLITE3="libsqlite3.so.0"
2145 X11="libX11.so"
2146
2147 sizeof_register="SIZEOF_VOID_P"
2148
2149 jit_wanted=true
2150 interp_wanted=false
2151 sgen_supported=false
2152 case "$host" in
2153 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
2154 #               TARGET=MIPS;
2155 #               ACCESS_UNALIGNED="no"
2156 #               ;;
2157         mips*)
2158                 TARGET=MIPS;
2159                 arch_target=mips;
2160                 ACCESS_UNALIGNED="no"
2161                 JIT_SUPPORTED=yes
2162
2163                 AC_MSG_CHECKING(for mips n32)
2164                 AC_TRY_COMPILE([], [
2165                 void main () {
2166                 #if _MIPS_SIM != _ABIN32
2167                 #error Not mips n32
2168                 #endif
2169                 }
2170                 ],[
2171                 AC_MSG_RESULT(yes)
2172                 sizeof_register=8
2173                 ],[
2174                 AC_MSG_RESULT(no)
2175                 ])
2176                 ;;
2177         i*86-*-*)
2178                 TARGET=X86;
2179                 arch_target=x86;
2180                 JIT_SUPPORTED=yes
2181                 case $host_os in
2182                   solaris*)
2183                         LIBC="libc.so"
2184                         INTL="libintl.so"
2185                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2186                                 TARGET=AMD64
2187                                 arch_target=amd64
2188                         fi
2189
2190                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2191                         # int astruct __attribute__ ((visibility ("hidden")));
2192                         # void foo ()
2193                         # {
2194                         #       void *p = &astruct;
2195                         # }
2196                         # gcc -fPIC --shared -o libfoo.so foo.c
2197                         # yields:
2198                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2199                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2200                         have_visibility_hidden=no
2201                         sgen_supported=true
2202                         ;;
2203                   cygwin*)
2204                         have_visibility_hidden=no                 
2205                         ;;
2206                   haiku*)
2207                         LIBC=libroot.so
2208                         ;;
2209                   linux*)
2210                         sgen_supported=true
2211                         AOT_SUPPORTED="yes"
2212                         ;;
2213                   darwin*|openbsd*|freebsd*)
2214                         sgen_supported=true
2215                         ;;
2216                 esac
2217                 ;;
2218         x86_64-*-* | amd64-*-*)
2219                 TARGET=AMD64;
2220                 arch_target=amd64;
2221                 JIT_SUPPORTED=yes
2222                 case $host_os in
2223                   linux*)
2224                         sgen_supported=true
2225                         AOT_SUPPORTED="yes"
2226                         ;;
2227                   darwin*|openbsd*|freebsd*)
2228                         sgen_supported=true
2229                         ;;
2230                 esac
2231                 case "$host" in
2232                         x86_64-*-nacl*)
2233                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2234                                 sizeof_register=8
2235                                 ;;
2236                 esac
2237                 ;;
2238         ia64-*-*)
2239                 TARGET=IA64
2240                 arch_target=ia64
2241                 ACCESS_UNALIGNED="no"
2242                 JIT_SUPPORTED=yes
2243                 LIBC="libc.so.6.1"
2244                 INTL="libc.so.6.1"
2245                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2246                 libmono_ldflags="-lunwind"
2247                 ;;
2248         sparc*-*-*)
2249                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2250                    TARGET=SPARC64
2251                 else
2252                         TARGET=SPARC
2253                 fi
2254                 arch_target=sparc;
2255                 JIT_SUPPORTED=yes
2256                 ACCESS_UNALIGNED="no"
2257                 case $host_os in
2258                   linux*) ;;
2259                   *)
2260                         LIBC="libc.so"
2261                         INTL="libintl.so"
2262                 esac
2263                 if test x"$GCC" = xyes; then
2264                         # We don't support v8 cpus
2265                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2266                 fi
2267                 if test x"$AR" = xfalse; then
2268                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2269                 fi
2270                 sgen_supported=true
2271                 ;;
2272        alpha*-*-linux* | alpha*-*-osf*)
2273                 TARGET=ALPHA;
2274                 ACCESS_UNALIGNED="no"
2275                 JIT_SUPPORTED=yes
2276                 arch_target=alpha;
2277                 CFLAGS="$CFLAGS -mieee -O0"
2278                 case $host_os in
2279                   linux*)
2280                         LIBC="libc.so.6.1"
2281                         INTL="libc.so.6.1"
2282                 esac
2283                ;;
2284         *-mingw*|*-*-cygwin*)
2285                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2286                 have_visibility_hidden=no
2287                 INTL="intl"
2288                 ;;
2289         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
2290                 TARGET=HPPA;
2291                 arch_target=hppa; 
2292                 LIBC="libc.sl"
2293                 ACCESS_UNALIGNED="no"
2294                 INTERP_SUPPORTED=yes
2295                 interp_wanted=true
2296                 ;;
2297         hppa*linux*)
2298                 TARGET=HPPA;
2299                 arch_target=hppa; 
2300                 ACCESS_UNALIGNED="no"
2301                 JIT_SUPPORTED=yes
2302                 ;;
2303         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2304         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2305                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2306                         TARGET=POWERPC64;
2307                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2308                         CFLAGS="$CFLAGS -mminimal-toc"
2309                 else
2310                         TARGET=POWERPC;
2311                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2312                 fi
2313                 arch_target=ppc;
2314                 JIT_SUPPORTED=yes
2315                 case $host_os in
2316                   linux*|darwin*)
2317                         sgen_supported=true
2318                         ;;
2319                 esac
2320                 ;;
2321         arm*-darwin*)
2322                 TARGET=ARM;
2323                 arch_target=arm;
2324                 ACCESS_UNALIGNED="no"
2325                 JIT_SUPPORTED=yes
2326                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2327                 # libgc's gc_locks.h depends on this
2328             NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2329                 sgen_supported=true
2330                 ;;
2331         arm*-linux*)
2332                 TARGET=ARM;
2333                 arch_target=arm;
2334                 ACCESS_UNALIGNED="no"
2335                 JIT_SUPPORTED=yes
2336                 sgen_supported=true
2337                 AOT_SUPPORTED="yes"
2338                 ;;
2339         s390-*-linux*)
2340                 TARGET=S390;
2341                 arch_target=s390;
2342                 ACCESS_UNALIGNED="yes"
2343                 JIT_SUPPORTED=yes
2344                 sgen_supported=true
2345                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
2346                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2347                 ;;
2348         s390x-*-linux*)
2349                 TARGET=S390x;
2350                 arch_target=s390x;
2351                 ACCESS_UNALIGNED="yes"
2352                 JIT_SUPPORTED=yes
2353                 sgen_supported=true
2354                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2355                 ;;
2356 esac
2357
2358 if test "x$host" != "x$target"; then
2359    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2360    case "$target" in
2361    powerpc64-ps3-linux-gnu)
2362                 TARGET=POWERPC64
2363                 arch_target=powerpc64
2364                 AC_DEFINE(TARGET_PS3, 1, [...])
2365                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2366                 # uses this define
2367                 AC_DEFINE(__mono_ppc64__, 1, [...])
2368                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2369                 sizeof_register=8
2370                 target_byte_order=G_BIG_ENDIAN
2371                 ;;
2372
2373    powerpc64-xbox360-linux-gnu)
2374                 TARGET=POWERPC64
2375                 arch_target=powerpc64
2376                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2377                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2378                 # uses this define
2379                 sizeof_register=8
2380                 target_byte_order=G_BIG_ENDIAN
2381                 ;;
2382    x86_64-*-nacl)
2383                 TARGET=AMD64
2384                 arch_target=amd64
2385                 AC_DEFINE(TARGET_AMD64, 1, [...])
2386                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2387                 sizeof_register=8
2388                 ;;
2389    armv7l-unknown-linux-gnueabi*)
2390                 # TEGRA
2391                 TARGET=ARM;
2392                 arch_target=arm;
2393                 AC_DEFINE(TARGET_ARM, 1, [...])
2394                 ACCESS_UNALIGNED="no"
2395                 JIT_SUPPORTED=yes
2396                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__"
2397                 jit_wanted=true
2398                 # Can't use tls, since it depends on the runtime detection of tls offsets
2399                 # in mono-compiler.h
2400                 with_tls=pthread
2401                 ;;
2402    armv5tel-unknown-linux-gnueabi*)
2403                 TARGET=ARM;
2404                 arch_target=arm;
2405                 AC_DEFINE(TARGET_ARM, 1, [...])
2406                 ACCESS_UNALIGNED="no"
2407                 JIT_SUPPORTED=yes
2408                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2409                 jit_wanted=true
2410                 # Can't use tls, since it depends on the runtime detection of tls offsets
2411                 # in mono-compiler.h
2412                 with_tls=pthread
2413                 ;;
2414    armv5-*-linux-androideabi*)
2415                 TARGET=ARM;
2416                 arch_target=arm;
2417                 AC_DEFINE(TARGET_ARM, 1, [...])
2418                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2419                 ACCESS_UNALIGNED="no"
2420                 JIT_SUPPORTED=yes
2421                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__ -DARM_FPU_NONE=1"
2422                 jit_wanted=true
2423                 # Can't use tls, since it depends on the runtime detection of tls offset
2424                 # in mono-compiler.h
2425                 with_tls=pthread
2426                 ;;
2427         *)
2428                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2429         esac
2430 fi
2431
2432 # FIXME: Define the others as well
2433 case "$TARGET" in
2434 X86)
2435         AC_DEFINE(TARGET_X86, 1, [...])
2436         ;;
2437 AMD64)
2438         AC_DEFINE(TARGET_AMD64, 1, [...])
2439         ;;
2440 ARM)
2441         AC_DEFINE(TARGET_ARM, 1, [...])
2442         ;;
2443 POWERPC)
2444         AC_DEFINE(TARGET_POWERPC, 1, [...])
2445         ;;
2446 POWERPC64)
2447         AC_DEFINE(TARGET_POWERPC, 1, [...])
2448         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2449         ;;
2450 S390x)
2451         AC_DEFINE(TARGET_S390X, 1, [...])
2452         ;;
2453 esac
2454
2455 if test "x$sizeof_register" = "x4"; then
2456    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2457 elif test "x$sizeof_register" = "x8"; then
2458    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2459 else
2460    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2461 fi
2462
2463 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2464    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2465 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2466    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2467 else
2468    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2469 fi
2470
2471 if test "x$have_visibility_hidden" = "xyes"; then
2472    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2473 fi
2474
2475 if test "x$have_deprecated" = "xyes"; then
2476    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2477 fi
2478
2479 dnl 
2480 dnl Simple Generational checks (sgen)
2481 dnl
2482 if $sgen_supported; then
2483    build_sgen_default=yes
2484 else
2485    build_sgen_default=no
2486 fi
2487 SGEN_DEFINES=
2488 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2489 if test x$buildsgen = xyes; then
2490    if $sgen_supported; then
2491        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR -DHAVE_WRITE_BARRIERS"
2492        gc_msg="sgen and $gc_msg"
2493    else
2494        buildsgen=no
2495        AC_MSG_WARN("Sgen is not supported on this platform")
2496    fi
2497 fi
2498 AC_SUBST(SGEN_DEFINES)
2499 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2500
2501 USEJIT=false
2502 if test x$JIT_SUPPORTED = xyes; then
2503    if $jit_wanted; then
2504       USEJIT=true
2505       jit_status="Building and using the JIT"
2506    else
2507       if $interp_wanted; then
2508          jit_status="Building the JIT, defaulting to the interpreter"
2509       else
2510          AC_ERROR(No JIT or interpreter support available or selected.)
2511       fi
2512    fi
2513 else
2514    if test x$interp_wanted = xtrue; then
2515       jit_status="interpreter"
2516    else
2517       AC_ERROR(No JIT or interpreter support available or selected.)
2518    fi
2519 fi
2520
2521 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2522
2523 libsuffix=".so"
2524
2525 case "$host" in
2526      *-*-darwin*)
2527         libsuffix=".dylib"
2528         LIBC="libc.dylib"
2529         INTL="libintl.dylib"
2530         SQLITE="libsqlite.0.dylib"
2531         SQLITE3="libsqlite3.0.dylib"
2532         X11="libX11.dylib"
2533         ;;
2534      *-*-*netbsd*)
2535         LIBC="libc.so.12"
2536         INTL="libintl.so.0"
2537         ;;
2538     *-*-*freebsd*)
2539         LIBC="libc.so"
2540         INTL="libintl.so"
2541         SQLITE="libsqlite.so"
2542         SQLITE3="libsqlite3.so"
2543         ;;
2544     *-*-*openbsd*)
2545         LIBC="libc.so"
2546         INTL="libintl.so"
2547         SQLITE="libsqlite.so"
2548         SQLITE3="libsqlite3.so"
2549         ;;
2550     *-*-*linux*)
2551         AC_PATH_X
2552         AC_MSG_CHECKING(for the soname of libX11.so)
2553         for i in $x_libraries /usr/lib /usr/lib64; do
2554                 for r in 4 5 6; do
2555                         if test -f $i/libX11.so.$r; then
2556                                 X11=libX11.so.$r
2557                                 AC_MSG_RESULT($X11)
2558                         fi
2559                 done
2560         done
2561         
2562         if test "x$X11" = "xlibX11.so"; then
2563                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? WinForms may not work...]);
2564         fi
2565         ;;
2566 esac
2567
2568
2569 AC_SUBST(libsuffix)
2570
2571 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2572         if test "x$with_tls" = "x__thread"; then
2573                 #
2574                 # On some linux distributions, TLS works in executables, but linking 
2575                 # against a shared library containing TLS fails with:
2576                 # undefined reference to `__tls_get_addr'
2577                 #
2578                 rm -f conftest.c conftest.so conftest
2579                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
2580                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2581                 $CC -o conftest conftest.so > /dev/null 2>&1
2582                 if test ! -f conftest; then
2583                    AC_MSG_WARN([Disabling usage of __thread.]);
2584                    with_tls=pthread
2585                 fi
2586                 rm -f conftest.c conftest.so conftest
2587         fi
2588 fi
2589
2590 mono_debugger_supported=no
2591 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
2592 if test "x$try_mono_debugger" = "xyes"; then
2593         if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA" -o "x$TARGET" = "xS390x"; then
2594                 if test x$use_included_gc = xyes; then
2595                         case "$host" in
2596                         *-*-*linux*)
2597                                 mono_debugger_supported=yes
2598                                 ;;
2599                         *86-apple-darwin*)
2600                                 mono_debugger_supported=yes
2601                                 ;;              
2602                         esac
2603                 fi
2604         fi
2605 fi
2606
2607 # disable the debugger entirely when building with moonlight
2608 if test "x$with_moonlight" != "xno"; then
2609         mono_debugger_supported=no
2610 fi
2611
2612 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2613 if test "x$mono_debugger_supported" = "xyes"; then
2614         BOEHM_DEFINES="$BOEHM_DEFINES -DMONO_DEBUGGER_SUPPORTED"
2615         NESTED_LIBGC_FLAGS="-DMONO_DEBUGGER_SUPPORTED"
2616 fi
2617 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2618 AC_MSG_RESULT($mono_debugger_supported)
2619
2620 if test "x$with_tls" = "x__thread"; then
2621         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2622         # Pass the information to libgc
2623         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2624         AC_MSG_CHECKING(if the tls_model attribute is supported)
2625         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2626                 ], [
2627                         AC_MSG_RESULT(yes)
2628                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
2629                 ], [
2630                         AC_MSG_RESULT(no)
2631         ])
2632 fi
2633
2634 if test ${TARGET} = ARM && test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2635         dnl ******************************************
2636         dnl *** Check to see what FPU is available ***
2637         dnl ******************************************
2638         AC_MSG_CHECKING(which FPU to use)
2639
2640         ORIG_CFLAGS=$CFLAGS
2641         CFLAGS="$CFLAGS -mfpu=vfp -mfloat-abi=softfp"
2642         AC_TRY_RUN([
2643                 int main () { __asm__ ("faddd   d7, d6, d7"); return 0; }
2644                         ], fpu=VFP, fpu=NONE)
2645         CFLAGS=$ORIG_CFLAGS
2646
2647         if test x$fpu = xNONE; then
2648                 AC_TRY_COMPILE([], [
2649                         __asm__ ("ldfd f0, [r0]");
2650                         ], fpu=FPA, fpu=NONE)
2651         fi
2652
2653         AC_MSG_RESULT($fpu)
2654         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
2655         unset fpu
2656
2657         AC_MSG_CHECKING(for ARMV6)
2658         AC_TRY_RUN([
2659                 int main () { __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : "memory"); return 0; }
2660                         ], armv6=yes, armv6=no)
2661
2662         AC_MSG_RESULT($armv6)
2663         if test ${armv6} = yes; then
2664            AC_DEFINE(HAVE_ARMV6, 1, "Host supports ARMV6 instructions")
2665            # libgc's gc_locks.h depends on this
2666            NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2667         fi
2668 fi
2669
2670 if test ${TARGET} = unknown; then
2671         CPPFLAGS="$CPPFLAGS -DNO_PORT"
2672         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
2673 fi
2674
2675 if test ${ACCESS_UNALIGNED} = no; then
2676         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
2677 fi
2678
2679 case "x$gc" in
2680         xincluded)
2681                 # Pass CPPFLAGS to libgc configure
2682                 # We should use a separate variable for this to avoid passing useless and
2683                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
2684                 # This should be executed late so we pick up the final version of CPPFLAGS
2685                 # The problem with this approach, is that during a reconfigure, the main
2686                 # configure scripts gets invoked with these arguments, so we use separate
2687                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
2688                 LIBGC_CPPFLAGS="$CPPFLAGS $NESTED_LIBGC_FLAGS"
2689                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
2690                         LIBGC_CPPFLAGS=`echo $LIBGC_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
2691                 fi
2692                 # Don't pass -finstrument-for-thread-suspension in, 
2693                 # if these are instrumented it will be very bad news 
2694                 # (infinite recursion, undefined parking behavior, etc)
2695                 LIBGC_CPPFLAGS=`echo $LIBGC_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
2696                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$LIBGC_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
2697                 AC_CONFIG_SUBDIRS(libgc)
2698                 ;;
2699 esac
2700
2701 #AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0 FX (defaults to yes)],                 [], [with_profile2=yes])
2702 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                  [], [with_profile4=yes])
2703 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid 2.1 assemblies (defaults to no)], [], [with_monodroid=no])
2704 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no         If you want to build the MonoTouch 2.1 assemblies (defaults to no)], [], [with_monotouch=no])
2705
2706 OPROFILE=no
2707 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
2708         if test x$with_oprofile != xno; then
2709             oprofile_include=$with_oprofile/include
2710             if test ! -f $oprofile_include/opagent.h; then
2711                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
2712                 fi
2713             OPROFILE=yes
2714                 OPROFILE_CFLAGS="-I$oprofile_include"
2715             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
2716             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
2717         fi
2718 ])
2719
2720 MALLOC_MEMPOOLS=no
2721 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
2722         if test x$with_malloc_mempools = xyes; then
2723                 MALLOC_MEMPOOLS=yes
2724                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
2725         fi
2726 ])
2727
2728
2729 DISABLE_MCS_DOCS=no
2730 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
2731         if test x$with_mcs_docs != xyes; then
2732                 DISABLE_MCS_DOCS=yes
2733         fi
2734 ])
2735 if test x$with_profile4 != xyes; then
2736         DISABLE_MCS_DOCS=yes
2737 fi
2738
2739 MOONLIGHT_DEFINES=
2740 AC_ARG_WITH(moonlight, [  --with-moonlight=yes|no|only         If you want to build Mono for Moonlight (defaults to no)],[
2741         if test x$with_moonlight != xno; then
2742         MOONLIGHT_DEFINES="-DMOONLIGHT -DDISABLE_ASSEMBLY_REMAPPING "
2743         fi
2744 ], [with_moonlight=no])
2745 AC_SUBST(MOONLIGHT_DEFINES)
2746
2747 AC_ARG_WITH(moon_gc, [  --with-moon-gc=boehm,sgen               Select the gc to use with Moonlight (defaults to boehm)],[
2748         if test "x$with_moon_gc" != "xsgen"; then
2749                 with_moon_gc=boehm
2750         fi
2751 ], [with_moon_gc=boehm])
2752
2753 AC_CHECK_HEADER([malloc.h], 
2754                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
2755                         [Define to 1 if you have /usr/include/malloc.h.])],,)
2756
2757 dnl
2758 dnl Consistency settings
2759 dnl
2760 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
2761    DISABLE_MCS_DOCS=yes
2762 fi
2763
2764 if test x$DISABLE_MCS_DOCS = xyes; then
2765    docs_dir=""
2766 else
2767    docs_dir=docs
2768 fi
2769 AC_SUBST(docs_dir)
2770
2771 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
2772 AC_SUBST(OPROFILE_CFLAGS)
2773 AC_SUBST(OPROFILE_LIBS)
2774
2775 libmono_ldflags="$libmono_ldflags $LIBS"
2776
2777 AM_CONDITIONAL(MOONLIGHT, [test "x$with_moonlight" != "xno"])
2778 AM_CONDITIONAL(ONLY_MOONLIGHT, [test "x$with_moonlight" = "xonly"])
2779 AM_CONDITIONAL(MOONLIGHT_BOEHM, [test "x$with_moon_gc" = "xboehm"])
2780 AM_CONDITIONAL(MOONLIGHT_SGEN, [test "x$with_moon_gc" = "xsgen"])
2781
2782 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
2783 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" = xyes])
2784 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" = xyes])
2785
2786 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
2787 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
2788 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
2789 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
2790 AM_CONDITIONAL(X86, test x$TARGET = xX86)
2791 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
2792 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
2793 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
2794 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
2795 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
2796 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
2797 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
2798 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
2799 AM_CONDITIONAL(S390, test x$TARGET = xS390)
2800 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
2801 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
2802
2803 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
2804 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
2805 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
2806
2807 AC_SUBST(LIBC)
2808 AC_SUBST(INTL)
2809 AC_SUBST(SQLITE)
2810 AC_SUBST(SQLITE3)
2811 AC_SUBST(X11)
2812 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
2813 AC_SUBST(arch_target)
2814 AC_SUBST(CFLAGS)
2815 AC_SUBST(CPPFLAGS)
2816 AC_SUBST(LDFLAGS)
2817
2818 mono_build_root=`pwd`
2819 AC_SUBST(mono_build_root)
2820
2821 if test x$USEJIT = xtrue; then
2822   mono_runtime=mono/mini/mono
2823 else
2824   mono_runtime=mono/interpreter/mint
2825 fi
2826 AC_SUBST(mono_runtime)
2827
2828 mono_cfg_root=$mono_build_root/runtime
2829 if test x$host_win32 = xyes; then
2830   if test "x$cross_compiling" = "xno"; then
2831     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
2832   else
2833     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
2834   fi
2835 else
2836   mono_cfg_dir=$mono_cfg_root/etc
2837 fi
2838 AC_SUBST(mono_cfg_dir)
2839
2840 AC_CONFIG_FILES([po/mcs/Makefile.in])
2841
2842 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
2843 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
2844
2845 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
2846 [   depth=../../../..
2847     case $srcdir in
2848     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2849     .) reldir=$depth ;;
2850     *) reldir=$depth/$srcdir ;;
2851     esac
2852     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
2853     cd runtime/etc/mono/1.0
2854     rm -f machine.config
2855     $LN_S $reldir/data/net_1_1/machine.config machine.config
2856     cd $depth
2857 ],[LN_S='$LN_S'])
2858
2859 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
2860 [   depth=../../../..
2861     case $srcdir in
2862     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2863     .) reldir=$depth ;;
2864     *) reldir=$depth/$srcdir ;;
2865     esac
2866     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
2867     cd runtime/etc/mono/2.0
2868     rm -f machine.config
2869     $LN_S $reldir/data/net_2_0/machine.config machine.config
2870     cd $depth
2871 ],[LN_S='$LN_S'])
2872
2873 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
2874 [   depth=../../../..
2875     case $srcdir in
2876     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2877     .) reldir=$depth ;;
2878     *) reldir=$depth/$srcdir ;;
2879     esac
2880     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
2881     cd runtime/etc/mono/2.0
2882     rm -f web.config
2883     $LN_S $reldir/data/net_2_0/web.config web.config
2884     cd $depth
2885 ],[LN_S='$LN_S'])
2886
2887 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
2888 [   depth=../../..
2889     case $srcdir in
2890     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2891     .) reldir=$depth ;;
2892     *) reldir=$depth/$srcdir ;;
2893     esac
2894     $ac_aux_dir/install-sh -d runtime/etc/mono/
2895     cd runtime/etc/mono/
2896     rm -f browscap.ini
2897     $LN_S $reldir/data/browscap.ini browscap.ini
2898     cd $depth
2899 ],[LN_S='$LN_S'])
2900
2901 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
2902 [   depth=../../../../..
2903     case $srcdir in
2904     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2905     .) reldir=$depth ;;
2906     *) reldir=$depth/$srcdir ;;
2907     esac
2908     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
2909     cd runtime/etc/mono/2.0/Browsers
2910     rm -f Compat.browser
2911     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
2912     cd $depth
2913 ],[LN_S='$LN_S'])
2914
2915 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
2916 [   depth=../../../..
2917     case $srcdir in
2918     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2919     .) reldir=$depth ;;
2920     *) reldir=$depth/$srcdir ;;
2921     esac
2922     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
2923     cd runtime/etc/mono/4.0
2924     rm -f machine.config
2925     $LN_S $reldir/data/net_4_0/machine.config machine.config
2926     cd $depth
2927 ],[LN_S='$LN_S'])
2928
2929 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
2930 [   depth=../../../..
2931     case $srcdir in
2932     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2933     .) reldir=$depth ;;
2934     *) reldir=$depth/$srcdir ;;
2935     esac
2936     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
2937     cd runtime/etc/mono/4.0
2938     rm -f web.config
2939     $LN_S $reldir/data/net_4_0/web.config web.config
2940     cd $depth
2941 ],[LN_S='$LN_S'])
2942
2943 if test x$enable_quiet_build = xyes; then
2944    AC_CONFIG_COMMANDS([quiet], [for i in `find mono libgc support -name Makefile.in | sed -e 's/Makefile.in/Makefile/g'`; do if test -f $i; then $srcdir/scripts/patch-quiet.sh $i; fi; done], [shell=$SHELL])
2945    AC_CONFIG_COMMANDS([quiet-libtool], [sed -e 's/$echo "copying selected/$show "copying selected/g' < libtool > libtool.tmp && mv libtool.tmp libtool && chmod a+x libtool; sed -e 's/$ECHO "copying selected/# "copying selected/g' < libtool > libtool.tmp && mv libtool.tmp libtool && chmod a+x libtool])
2946 fi
2947
2948 AC_OUTPUT([
2949 Makefile
2950 mono-core.spec
2951 mono-uninstalled.pc
2952 scripts/mono-find-provides
2953 scripts/mono-find-requires
2954 mono/Makefile
2955 mono/utils/Makefile
2956 mono/metadata/Makefile
2957 mono/dis/Makefile
2958 mono/cil/Makefile
2959 mono/arch/Makefile
2960 mono/arch/x86/Makefile
2961 mono/arch/amd64/Makefile
2962 mono/arch/hppa/Makefile
2963 mono/arch/ppc/Makefile
2964 mono/arch/sparc/Makefile
2965 mono/arch/s390/Makefile
2966 mono/arch/s390x/Makefile
2967 mono/arch/arm/Makefile
2968 mono/arch/alpha/Makefile
2969 mono/arch/ia64/Makefile
2970 mono/arch/mips/Makefile
2971 mono/interpreter/Makefile
2972 mono/tests/Makefile
2973 mono/tests/tests-config
2974 mono/tests/assemblyresolve/Makefile
2975 mono/tests/cas/Makefile
2976 mono/tests/cas/assembly/Makefile
2977 mono/tests/cas/demand/Makefile
2978 mono/tests/cas/inheritance/Makefile
2979 mono/tests/cas/linkdemand/Makefile
2980 mono/tests/cas/threads/Makefile
2981 mono/benchmark/Makefile
2982 mono/monograph/Makefile
2983 mono/io-layer/Makefile
2984 mono/mini/Makefile
2985 mono/profiler/Makefile
2986 m4/Makefile
2987 ikvm-native/Makefile
2988 scripts/Makefile
2989 man/Makefile
2990 docs/Makefile
2991 data/Makefile
2992 data/net_2_0/Makefile
2993 data/net_4_0/Makefile
2994 data/net_2_0/Browsers/Makefile
2995 data/mint.pc
2996 data/mono-2.pc
2997 data/monosgen-2.pc
2998 data/mono.pc
2999 data/mono-cairo.pc
3000 data/mono-nunit.pc
3001 data/mono-options.pc
3002 data/mono-lineeditor.pc
3003 data/monodoc.pc
3004 data/mono.web.pc
3005 data/dotnet.pc
3006 data/dotnet35.pc
3007 data/wcf.pc
3008 data/cecil.pc
3009 data/system.web.extensions_1.0.pc
3010 data/system.web.extensions.design_1.0.pc
3011 data/system.web.mvc.pc
3012 data/system.web.mvc2.pc
3013 samples/Makefile
3014 support/Makefile
3015 data/config
3016 tools/Makefile
3017 tools/locale-builder/Makefile
3018 tools/sgen/Makefile
3019 runtime/Makefile
3020 msvc/Makefile
3021 po/Makefile
3022 ])
3023
3024 if test x$host_win32 = xyes; then
3025    # Get rid of 'cyg' prefixes in library names
3026    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3027    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3028    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3029    # executable doesn't work...
3030    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3031 fi
3032
3033 (
3034   case $prefix in
3035   NONE) prefix=$ac_default_prefix ;;
3036   esac
3037   case $exec_prefix in
3038   NONE) exec_prefix='${prefix}' ;;
3039   esac
3040
3041   #
3042   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3043   # any existing config.make.  This allows people to share the same source tree
3044   # with different build directories, one native and one cross
3045   #
3046   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3047
3048     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3049
3050     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3051     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3052     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3053     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3054     echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $mcs_topdir/build/config.make
3055     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3056     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3057     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3058
3059     case $INSTALL in
3060     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3061     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3062     esac
3063
3064     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3065
3066     export VERSION
3067     [myver=$($AWK 'BEGIN {
3068       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3069       if(length(vsplit [1]) > 4) {
3070         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3071       }
3072       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3073     }')]
3074
3075     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3076
3077     if test x$platform_darwin = xyes; then
3078       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3079     fi
3080
3081         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3082            enable_system_aot=yes
3083         fi
3084
3085         if test "x$enable_loadedllvm" = "xyes"; then
3086            # This seems to fail on the x86 buildbots
3087            enable_system_aot=no
3088         fi
3089
3090     if test x$host_win32 = xno -a x$platform_darwin != xyes -a x$enable_system_aot = xyes; then
3091       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3092     fi
3093
3094     if test x$DISABLE_MCS_DOCS = xyes; then
3095       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3096     fi
3097
3098     if test x$with_moonlight != xno; then
3099       echo "MOONLIGHT = 1" >> $srcdir/$mcsdir/build/config.make
3100     fi
3101
3102   fi
3103
3104   # if we have an olive folder, override the default settings
3105   if test -d $olivedir; then
3106
3107     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3108
3109       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3110
3111       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3112       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3113       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3114       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3115       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3116       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3117     fi
3118   fi
3119
3120 )
3121
3122 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3123
3124 echo "
3125         mcs source:    $mcsdir
3126         olive source:  $olive_topdir
3127
3128    Engine:
3129         GC:            $gc_msg 
3130         TLS:           $with_tls
3131         SIGALTSTACK:   $with_sigaltstack
3132         Engine:        $jit_status
3133         oprofile:      $OPROFILE
3134         BigArrays:     $enable_big_arrays
3135         DTrace:        $enable_dtrace
3136         Parallel Mark: $enable_parallel_mark
3137         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3138
3139     Libraries:
3140         Moon Profile:  $with_moonlight ($with_moon_gc)
3141         MonoDroid:     $with_monodroid
3142         MonoTouch:     $with_monotouch
3143         JNI support:   $jdk_headers_found
3144         libgdiplus:    $libgdiplus_msg
3145         zlib:          $zlib_msg
3146         $disabled
3147 "
3148 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3149    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3150 fi