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