[mdoc] Fix unit tests.
[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, [3.0.12],
5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=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 AC_CONFIG_HEADERS([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 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
26
27 # In case of cygwin, override LN_S, irrespective of what it determines.
28 # The build uses cygwin, but the actual runtime doesn't.
29 case $host_os in
30 *cygwin* ) LN_S='cp -p';;
31 esac
32
33 dnl
34 dnl libgc checks
35 dnl
36
37 gc_headers=no
38 gc=included
39 gc_msg="included Boehm"
40 use_included_gc=no
41 libgc_configure_args=
42
43 if test -d $srcdir/libgc ; then
44   gc_default=included
45 else
46   gc_default=boehm
47 fi
48
49 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
50 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
51 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
52 CFLAGS_FOR_LIBGC=$CFLAGS
53 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
54 CFLAGS_FOR_EGLIB=$CFLAGS
55
56 #
57 # These are the flags that need to be stored in the mono.pc file for 
58 # compiling code that will embed Mono
59 #
60 libmono_cflags=""
61 libmono_ldflags=""
62 AC_SUBST(libmono_cflags)
63 AC_SUBST(libmono_ldflags)
64
65 # Variable to have relocatable .pc files (lib, or lib64)
66 reloc_libdir=`basename ${libdir}`
67 AC_SUBST(reloc_libdir)
68
69 dnl if linker handles the version script
70 no_version_script=no
71
72 # Set to yes if Unix sockets cannot be created in an anonymous namespace
73 need_link_unlink=no
74
75 # Thread configuration inspired by sleepycat's db
76 AC_MSG_CHECKING([host platform characteristics])
77 libgc_threads=no
78 has_dtrace=no
79 parallel_mark=yes
80 ikvm_native=yes
81
82 case "$host" in
83         powerpc*-*-linux*)
84                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
85                 disable_munmap=yes
86         ;;
87 esac
88
89 host_win32=no
90 target_win32=no
91 platform_android=no
92 platform_darwin=no
93 case "$host" in
94         *-mingw*|*-*-cygwin*)
95                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
96                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
97                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
98                 host_win32=yes
99                 mono_cv_clang=no
100                 if test "x$cross_compiling" = "xno"; then
101                         target_win32=yes
102                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
103                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
104                         fi
105                         #
106                         # gcc-3/g++-3 are from the gcc-core/gcc-g++ cygwin packages.
107                         # Other gcc packages will not work:
108                         # - the gcc-4 packages no longer support -mno-cygwin
109                         # - the mingw-gcc packages produce executables which depends on a libgcc<...>
110                         # dll, which means we would have to distribute that file too.
111                         #
112                         if test "x$CC" != "x"; then
113                                 AC_ERROR(Don't set CC. mono can only be compiled with gcc-3 from the 'gcc-core' package)
114                         fi
115                         CC="gcc-3.exe -mno-cygwin -g"
116                         CXX="g++-3.exe -mno-cygwin -g"
117                         # So libgc configure gets -mno-cygwin
118                         export CC
119                         export CXX
120                         CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -mno-cygwin"
121                 else
122                         target_win32=yes
123                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
124                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
125                 fi
126                 HOST_CC="gcc"
127                 # Windows 2000 is required that includes Internet Explorer 5.01
128                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
129                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
130                 libmono_cflags="-mno-cygwin -mms-bitfields -mwindows"
131                 libmono_ldflags="-mno-cygwin -mms-bitfields -mwindows"
132                 libdl=
133                 libgc_threads=win32
134                 gc_default=included
135                 with_sigaltstack=no
136                 LN_S=cp
137                 # This forces libgc to use the DllMain based thread registration code on win32
138                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
139                 ;;
140         *-*-*netbsd*)
141                 host_win32=no
142                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
143                 libmono_cflags="-D_REENTRANT"
144                 LDFLAGS="$LDFLAGS -pthread"
145                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
146                 libmono_ldflags="-pthread"
147                 need_link_unlink=yes
148                 libdl="-ldl"
149                 libgc_threads=pthreads
150                 with_sigaltstack=no
151                 use_sigposix=yes
152                 ;;
153         *-*-*freebsd*)
154                 host_win32=no
155                 if test "x$PTHREAD_CFLAGS" = "x"; then
156                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
157                         libmono_cflags=
158                 else
159                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
160                         libmono_cflags="$PTHREAD_CFLAGS"
161                 fi
162                 if test "x$PTHREAD_LIBS" = "x"; then
163                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
164                         libmono_ldflags="-pthread"
165                 else
166                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
167                         libmono_ldflags="$PTHREAD_LIBS"
168                 fi
169                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
170                 need_link_unlink=yes
171                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
172                 libdl=
173                 libgc_threads=pthreads
174                 # This doesn't seem to work as of 7.0 on amd64
175                 with_sigaltstack=no
176                 use_sigposix=yes
177                 ;;
178         *-*-*openbsd*)
179                 host_win32=no
180                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
181                 if test "x$disable_munmap" != "xyes"; then
182                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
183                 fi
184                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
185                 LDFLAGS="$LDFLAGS -pthread"
186                 need_link_unlink=yes
187                 AC_DEFINE(PTHREAD_POINTER_ID)
188                 libdl=
189                 gc_default=boehm
190                 libgc_threads=pthreads
191                 with_sigaltstack=no
192                 use_sigposix=yes
193                 ;;
194         *-*-linux-android*)
195                 host_win32=no
196                 platform_android=yes
197                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
198                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
199
200                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
201                 if test "x$disable_munmap" != "xyes"; then
202                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
203                 fi
204                 libmono_cflags="-D_REENTRANT"
205                 libdl="-ldl"
206                 libgc_threads=pthreads
207                 use_sigposix=yes
208
209                 with_tls=pthread
210                 with_sigaltstack=no
211                 with_static_mono=no
212
213                 # Android doesn't support boehm, as it's missing <link.h>
214                 support_boehm=no
215                 with_gc=sgen
216
217                 # isinf(3) requires -lm; see isinf check below
218                 LDFLAGS="$LDFLAGS -lm"
219
220                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
221                 # PAGE_SIZE; breaks mono/io-layer/collection.c
222                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
223                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
224                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
225
226                 # to bypass the underscore linker check, can't work when cross-compiling
227                 mono_cv_uscore=yes
228                 mono_cv_clang=no
229                 ;;
230         *-*-linux*)
231                 host_win32=no
232                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
233                 if test "x$disable_munmap" != "xyes"; then
234                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
235                 fi
236                 libmono_cflags="-D_REENTRANT"
237                 libdl="-ldl"
238                 libgc_threads=pthreads
239                 use_sigposix=yes
240                 if test "x$cross_compiling" != "xno"; then
241                         # to bypass the underscore linker check, not
242                         # available during cross-compilation
243                         mono_cv_uscore=no
244                 fi
245                 ;;
246         *-*-nacl*)
247                 host_win32=no
248                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
249                 if test "x$disable_munmap" != "xyes"; then
250                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
251                 fi
252                 libmono_cflags="-D_REENTRANT"
253                 libdl=
254                 libgc_threads=pthreads
255                 gc_default=boehm
256                 use_sigposix=yes
257                 ikvm_native=no
258                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
259                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
260                 ;;
261         *-*-hpux*)
262                 host_win32=no
263                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
264                 # +ESdbgasm only valid on bundled cc on RISC
265                 # silently ignored for ia64
266                 if test $GCC != "yes"; then
267                         CFLAGS="$CFLAGS +ESdbgasm"
268                         # Arrange for run-time dereferencing of null
269                         # pointers to produce a SIGSEGV signal.
270                         LDFLAGS="$LDFLAGS -z"
271                 fi
272                 CFLAGS="$CFLAGS +ESdbgasm"
273                 LDFLAGS="$LDFLAGS -z"
274                 libmono_cflags="-D_REENTRANT"
275                 libmono_ldflags="-lpthread"
276                 libgc_threads=pthreads
277                 need_link_unlink=yes
278                 use_sigposix=yes
279                 ;;
280         *-*-solaris*)
281                 host_win32=no
282                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
283                 need_link_unlink=yes
284                 libmono_cflags="-D_REENTRANT"
285                 libgc_threads=pthreads
286                 # This doesn't seem to work on solaris/x86, but the configure test runs
287                 with_tls=pthread
288                 has_dtrace=yes
289                 use_sigposix=yes
290                 enable_solaris_tar_check=yes
291                 ;;
292         *-*-darwin*)
293                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
294                 host_win32=no
295                 platform_darwin=yes
296                 target_mach=yes
297                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
298                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
299                 libmono_cflags="-D_THREAD_SAFE"
300                 need_link_unlink=yes
301                 AC_DEFINE(PTHREAD_POINTER_ID)
302                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
303                 no_version_script=yes
304                 libdl=
305                 libgc_threads=pthreads
306                 has_dtrace=yes
307                 if test "x$cross_compiling" = "xyes"; then
308                         has_broken_apple_cpp=yes
309                 fi
310                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
311                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
312                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
313                 case "$host" in
314                         dnl Snow Leopard and newer config.guess reports as this
315                         i*86-*-darwin*)
316                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
317                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_FLAGS"
318                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
319                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
320                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
321                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
322                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
323                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
324                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
325                                 ;;
326                         arm*-darwin*)
327                                 has_dtrace=no
328                                 ;;                      
329                 esac
330                 ;;
331         *-*-haiku*)
332                 host_win32=no
333                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
334                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
335                 libdl=
336                 LIBS="$LIBS -lnetwork"
337                 need_link_unlink=yes
338                 AC_DEFINE(PTHREAD_POINTER_ID)
339                 libgc_threads=pthreads
340                 use_sigposix=yes
341                 ;;
342         *)
343                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
344                 host_win32=no
345                 libdl="-ldl"
346                 ;;
347 esac
348 AC_MSG_RESULT(ok)
349
350 if test x$need_link_unlink = xyes; then
351    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
352 fi
353
354 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
355 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
356 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
357 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
358 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
359 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
360
361 AC_CHECK_TOOL(CC, gcc, gcc)
362 AC_PROG_CC
363 AC_CHECK_TOOL(CXX, g++, g++)
364 AC_PROG_CXX
365 AM_PROG_AS
366 AC_PROG_INSTALL
367 AC_PROG_AWK
368 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
369 : ${CCAS='$(CC)'}
370 # Set ASFLAGS if not already set.
371 : ${CCASFLAGS='$(CFLAGS)'}
372 AC_SUBST(CCAS)
373 AC_SUBST(CCASFLAGS)
374
375 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
376 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
377 if test "x$CXX" = "xg++"; then
378         if test "x$GXX" != "xyes"; then
379                 # automake/libtool is so broken, it requires g++ even if the c++ sources
380                 # are inside automake conditionals
381                 AC_MSG_ERROR([You need to install g++])
382         fi
383 fi
384
385 dnl may require a specific autoconf version
386 dnl AC_PROG_CC_FOR_BUILD
387 dnl CC_FOR_BUILD not automatically detected
388 CC_FOR_BUILD=$CC
389 CFLAGS_FOR_BUILD=$CFLAGS
390 BUILD_EXEEXT=
391 if test "x$cross_compiling" = "xyes"; then
392         CC_FOR_BUILD=cc
393         CFLAGS_FOR_BUILD=
394         BUILD_EXEEXT=""
395 fi
396 AC_SUBST(CC_FOR_BUILD)
397 AC_SUBST(CFLAGS_FOR_BUILD)
398 AC_SUBST(HOST_CC)
399 AC_SUBST(BUILD_EXEEXT)
400
401 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
402 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
403
404 # Set STDC_HEADERS
405 AC_HEADER_STDC
406 AC_LIBTOOL_WIN32_DLL
407 # This causes monodis to not link correctly
408 #AC_DISABLE_FAST_INSTALL
409 AM_PROG_LIBTOOL
410 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
411 DOLT
412
413 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
414 AC_SUBST(export_ldflags)
415
416 # Test whenever ld supports -version-script
417 AC_PROG_LD
418 AC_PROG_LD_GNU
419 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
420    no_version_script=yes
421 fi
422
423 AM_ICONV()
424
425 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
426
427 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 libproc.h)
428 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 sys/inotify.h)
429 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
430                   [], [], [#include <stddef.h>
431                   #include <sys/socket.h>
432                   #include <linux/socket.h>])
433
434 AC_CHECK_HEADERS(sys/user.h, [], [],
435 [
436 #ifdef HAVE_SYS_PARAM_H
437 # include <sys/param.h>
438 #endif
439 ])
440
441 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
442 if test x$have_zlib = xyes; then
443    AC_TRY_COMPILE([#include <zlib.h>], [
444    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
445    return 0;
446    #else
447    #error No good zlib found
448    #endif
449    ],[
450         AC_MSG_RESULT(Using system zlib)
451         zlib_msg="system zlib"
452         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
453    ],[
454         AC_MSG_RESULT(Using embedded zlib)
455         have_zlib=no
456         zlib_msg="bundled zlib"
457    ])
458 fi
459
460 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
461 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
462
463 # for mono/metadata/debug-symfile.c
464 AC_CHECK_HEADERS(elf.h)
465
466 # for support
467 AC_CHECK_HEADERS(poll.h)
468 AC_CHECK_HEADERS(sys/poll.h)
469 AC_CHECK_HEADERS(sys/wait.h)
470 AC_CHECK_HEADERS(grp.h)
471 AC_CHECK_HEADERS(syslog.h)
472
473 # for mono/dis
474 AC_CHECK_HEADERS(wchar.h)
475 AC_CHECK_HEADERS(ieeefp.h)
476 AC_MSG_CHECKING(for isinf)
477 AC_TRY_LINK([#include <math.h>], [
478         int f = isinf (1);
479 ], [
480         AC_MSG_RESULT(yes)
481         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
482 ], [
483         # We'll have to use signals
484         AC_MSG_RESULT(no)
485 ])
486
487 # for Linux statfs support
488 AC_CHECK_HEADERS(linux/magic.h)
489
490 # not 64 bit clean in cross-compile
491 AC_CHECK_SIZEOF(void *, 4)
492
493 WARN=''
494 if test x"$GCC" = xyes; then
495         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
496                 # The runtime code does not respect ANSI C strict aliasing rules
497                 CFLAGS="$CFLAGS -fno-strict-aliasing"
498
499                 ORIG_CFLAGS=$CFLAGS
500                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
501                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
502                 AC_TRY_COMPILE([],[
503                                 return 0;
504                 ], [
505                    AC_MSG_RESULT(yes)
506                 ], [
507                    AC_MSG_RESULT(no)
508                    CFLAGS=$ORIG_CFLAGS
509                 ])
510
511                 ORIG_CFLAGS=$CFLAGS
512                 # Check for the normal version, since gcc ignores unknown -Wno options
513                 CFLAGS="$CFLAGS -Wunused-but-set-variable"
514                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
515                 AC_TRY_COMPILE([],[
516                                 return 0;
517                 ], [
518                    AC_MSG_RESULT(yes)
519                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
520                 ], [
521                    AC_MSG_RESULT(no)
522                    CFLAGS=$ORIG_CFLAGS
523                 ])
524 else
525         # The Sun Forte compiler complains about inline functions that access static variables
526         # so disable all inlining.
527         case "$host" in
528         *-*-solaris*)
529                 CFLAGS="$CFLAGS -Dinline="
530                 ;;
531         esac
532 fi
533 CFLAGS="$CFLAGS -g $WARN"
534 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
535
536 AC_CACHE_CHECK([for clang],
537         mono_cv_clang,[
538         AC_TRY_COMPILE([], [
539                 #ifdef __clang__
540                 #else
541                 #error "FAILED"
542                 #endif
543                 return 0;
544         ],
545         [mono_cv_clang=yes],
546         [mono_cv_clang=no],
547         [])
548 ])
549
550 # Where's the 'mcs' source tree?
551 if test -d $srcdir/mcs; then
552   mcsdir=mcs
553 else
554   mcsdir=../mcs
555 fi
556
557 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
558         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
559                 mcsdir=$with_mcs_path
560         fi
561 )
562
563 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
564
565 #
566 # A sanity check to catch cases where the package was unpacked
567 # with an ancient tar program (Solaris)
568 #
569 AC_ARG_ENABLE(solaris-tar-check,
570 [  --disable-solaris-tar-check    disable solaris tar check],
571    do_solaris_tar_check=no, do_solaris_tar_check=yes)
572
573 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
574         AC_MSG_CHECKING(integrity of package)
575         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
576         then
577                 AC_MSG_RESULT(ok)
578         else
579                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
580                 AC_MSG_ERROR([$errorm])
581         fi
582 fi
583
584 if test "x$with_mcs_path" != "x"; then
585 mcs_topdir=$(cd "$mcsdir" && pwd)
586 mcs_topdir_from_srcdir=$mcs_topdir
587 else
588 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
589 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
590 fi
591
592 # Convert mcs_topdir* paths to Windows syntax.
593 if test x$cross_compiling$host_win32 = xnoyes; then
594   mcs_topdir=$(cygpath -m $mcs_topdir)
595   case $mcs_topdir_from_srcdir in
596     /cygdrive/*)
597         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
598         ;;
599   esac
600 fi
601
602 AC_SUBST([mcs_topdir])
603 AC_SUBST([mcs_topdir_from_srcdir])
604
605 # Where's the 'olive' source tree?
606 if test -d $srcdir/olive; then
607   olivedir=olive
608 else
609   olivedir=../olive
610 fi
611
612 if test -d $srcdir/$olivedir; then
613 olive_topdir='$(top_srcdir)/'$olivedir
614 fi
615
616 # gettext: prepare the translation directories. 
617 # we do not configure the full gettext, as we consume it dynamically from C#
618 AM_PO_SUBDIRS
619
620 if test "x$USE_NLS" = "xyes"; then
621    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
622
623    if test "x$HAVE_MSGFMT" = "xno"; then
624           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
625    fi
626 fi
627
628 AC_ARG_WITH([libgdiplus], 
629         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)], 
630         [], [with_libgdiplus=installed])
631
632 case $with_libgdiplus in
633 no|installed) libgdiplus_loc= ;;
634 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
635 /*) libgdiplus_loc=$with_libgdiplus ;;
636 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
637 esac
638 AC_SUBST([libgdiplus_loc])
639
640 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
641
642 pkg_config_path=
643 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
644         if test x$with_crosspkgdir = "x"; then
645                 if test -s $PKG_CONFIG_PATH; then
646                         pkg_config_path=$PKG_CONFIG_PATH
647                 fi
648         else
649                 pkg_config_path=$with_crosspkgdir
650                 PKG_CONFIG_PATH=$pkg_config_path
651                 export PKG_CONFIG_PATH
652         fi
653 )
654
655 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
656 AC_CONFIG_SUBDIRS(eglib)
657
658 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
659 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
660 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
661 BUILD_GLIB_LIBS="$GLIB_LIBS"
662 GMODULE_CFLAGS="$GLIB_CFLAGS"
663 GMODULE_LIBS="$GLIB_LIBS"
664   
665 AC_SUBST(GLIB_CFLAGS)
666 AC_SUBST(GLIB_LIBS)
667 AC_SUBST(GMODULE_CFLAGS)
668 AC_SUBST(GMODULE_LIBS)
669 AC_SUBST(BUILD_GLIB_CFLAGS)
670 AC_SUBST(BUILD_GLIB_LIBS)
671
672 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
673
674 # Enable support for fast thread-local storage
675 # Some systems have broken support, so we allow to disable it.
676 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
677
678 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
679 # This does not work on some platforms (bug #55253)
680 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
681
682 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
683 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
684 # Same as --with-shared_mono=no
685 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
686
687 if test "x$enable_static" = "xno"; then
688    with_static_mono=no
689 fi
690
691 if test "x$enable_shared" = "xno"; then
692    with_shared_mono=no
693 fi
694
695 if test "x$enable_libraries" = "xno"; then
696    with_shared_mono=no
697 fi
698
699 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
700
701 case $host in
702 *nacl* ) with_shared_mono=yes;;
703 esac
704
705 if test "x$host_win32" = "xyes"; then
706    # Boehm GC requires the runtime to be in its own dll
707    with_static_mono=no
708 fi
709
710 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
711 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
712 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
713
714 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
715 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
716         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
717         ORIG_CFLAGS=$CFLAGS
718         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
719         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
720         AC_TRY_COMPILE([], [
721                 return 0;
722         ], [
723            AC_MSG_RESULT(yes)
724            # Pass it to libgc as well
725            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
726         ], [
727            AC_MSG_RESULT(no)
728            CFLAGS=$ORIG_CFLAGS
729         ])
730 fi
731
732 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
733
734 if test x$enable_small_config = xyes; then
735         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
736         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
737 fi
738
739 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=$enableval, enable_system_aot=default)
740
741 DISABLED_FEATURES=none
742
743 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
744      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
745      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
746          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
747 [
748         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
749                 eval "mono_feature_disable_$feature='yes'"
750         done
751         DISABLED_FEATURES=$enable_minimal
752         disabled="Disabled:      $enable_minimal"
753 ],[])
754
755 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
756
757 if test "x$mono_feature_disable_aot" = "xyes"; then
758         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
759         AC_MSG_NOTICE([Disabled AOT compiler])
760 fi
761
762 if test "x$mono_feature_disable_profiler" = "xyes"; then
763         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
764         AC_MSG_NOTICE([Disabled support for the profiler])
765 fi
766 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
767
768 if test "x$mono_feature_disable_decimal" = "xyes"; then
769         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
770         AC_MSG_NOTICE([Disabled support for decimal])
771 fi
772
773 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
774         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
775         AC_MSG_NOTICE([Disabled support for P/Invoke])
776 fi
777
778 if test "x$mono_feature_disable_debug" = "xyes"; then
779         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
780         AC_MSG_NOTICE([Disabled support for runtime debugging])
781 fi
782
783 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
784         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
785         mono_feature_disable_reflection_emit_save=yes
786         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
787 fi
788
789 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
790         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
791         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
792 fi
793
794 if test "x$mono_feature_disable_large_code" = "xyes"; then
795         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
796         AC_MSG_NOTICE([Disabled support for large assemblies])
797 fi
798
799 if test "x$mono_feature_disable_logging" = "xyes"; then
800         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
801         AC_MSG_NOTICE([Disabled support for logging])
802 fi
803
804 if test "x$mono_feature_disable_com" = "xyes"; then
805         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
806         AC_MSG_NOTICE([Disabled COM support])
807 fi
808
809 if test "x$mono_feature_disable_ssa" = "xyes"; then
810         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
811         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
812 fi
813
814 if test "x$mono_feature_disable_generics" = "xyes"; then
815         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
816         AC_MSG_NOTICE([Disabled Generics Support])
817 fi
818
819 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
820         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
821         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
822 fi
823
824 if test "x$mono_feature_disable_portability" = "xyes"; then
825         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
826         AC_MSG_NOTICE([Disabled IO Portability layer])
827 fi
828
829 if test "x$mono_feature_disable_attach" = "xyes"; then
830         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
831         AC_MSG_NOTICE([Disabled agent attach])
832 fi
833
834 if test "x$mono_feature_disable_full_messages" = "xyes"; then
835         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
836         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
837 fi
838
839 if test "x$mono_feature_disable_verifier" = "xyes"; then
840         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
841         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
842 fi
843
844 if test "x$mono_feature_disable_jit" = "xyes"; then
845         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
846         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
847 fi
848
849 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
850
851 if test "x$mono_feature_disable_simd" = "xyes"; then
852         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
853         AC_MSG_NOTICE([Disabled SIMD support])
854 fi
855
856 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
857         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
858         AC_MSG_NOTICE([Disabled Soft Debugger.])
859 fi
860
861 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
862         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
863         AC_MSG_NOTICE([Disabled Performance Counters.])
864 fi
865 if test "x$mono_feature_disable_normalization" = "xyes"; then
866         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
867         AC_MSG_NOTICE([Disabled String normalization support.])
868 fi
869
870 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
871         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
872         AC_MSG_NOTICE([Disabled Assembly remapping.])
873 fi
874
875 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
876         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
877         AC_MSG_NOTICE([Disabled Shared perfcounters.])
878 fi
879
880 if test "x$mono_feature_disable_appdomains" = "xyes"; then
881         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
882         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
883 fi
884
885 if test "x$mono_feature_disable_remoting" = "xyes"; then
886         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
887         AC_MSG_NOTICE([Disabled remoting])
888 fi
889
890 if test "x$mono_feature_disable_security" = "xyes"; then
891         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
892         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
893 fi
894
895 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
896         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
897         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
898 fi
899
900 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
901         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
902         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
903 fi
904
905 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
906         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
907         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
908 fi
909
910 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
911         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
912         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
913 fi
914
915 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
916         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
917         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
918 fi
919
920 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
921 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
922
923 AC_ARG_ENABLE(extension-module, [  --enable-extension-module enables usage of the extension module], has_extension_module=$enableval, has_extension_module=no)
924 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
925
926 if test x$has_extension_module != xno ; then
927         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
928         AC_MSG_NOTICE([Enabling mono extension module.])
929 fi
930
931
932 AC_MSG_CHECKING(for visibility __attribute__)
933 AC_COMPILE_IFELSE([
934         AC_LANG_SOURCE([[
935                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
936                 int main () { doit (); return 0; }
937         ]])
938 ], [
939    have_visibility_hidden=yes
940    AC_MSG_RESULT(yes)
941 ], [
942    have_visibility_hidden=no
943    AC_MSG_RESULT(no)
944 ])
945
946 AC_MSG_CHECKING(for deprecated __attribute__)
947 AC_TRY_COMPILE([
948      int doit (void) __attribute__ ((deprecated));
949      int doit (void) { return 0; }
950 ], [
951         return 0;
952 ], [
953    have_deprecated=yes
954    AC_MSG_RESULT(yes)
955 ], [
956    have_deprecated=no
957    AC_MSG_RESULT(no)
958 ])
959
960 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
961 if test x$enable_parallel_mark = xyes; then
962         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
963 fi
964
965 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
966 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
967
968 dnl
969 dnl Boehm GC configuration
970 dnl
971 LIBGC_CPPFLAGS=
972 LIBGC_LIBS=
973 LIBGC_STATIC_LIBS=
974 libgc_dir=
975 case "x$gc" in
976         xboehm|xbohem|xyes)
977                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
978                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
979
980                 if test "x$found_boehm" != "xyes"; then
981                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
982                 fi
983                 if test "x$gc_headers" != "xyes"; then
984                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
985                 fi
986
987                 LIBGC_LIBS="-lgc $libdl"
988                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
989                 libmono_ldflags="$libmono_ldflags -lgc"
990                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
991
992                 # AC_CHECK_FUNCS does not work for some reason...
993                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
994                 if test "x$found_gcj_malloc" = "xyes"; then
995                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
996                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
997                         gc_msg="System Boehm with typed GC"
998                 else
999                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1000                         gc_msg="System Boehm (without typed GC)"
1001                 fi
1002                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1003                 if test "x$found_gc_enable" = "xyes"; then
1004                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1005                 fi
1006
1007                 # check whether we need to explicitly allow
1008                 # thread registering
1009                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1010                 if test "x$found_allow_register_threads" = "xyes"; then
1011                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1012                 fi
1013
1014                 ;;
1015
1016         xincluded)
1017                 use_included_gc=yes
1018                 libgc_dir=libgc
1019
1020                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1021                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1022                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1023
1024                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1025
1026                 gc_msg="bundled Boehm GC with typed GC"
1027                 if test x$enable_parallel_mark = xyes; then
1028                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1029                         gc_msg="$gc_msg and parallel mark"
1030                 else
1031                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1032                 fi
1033                 ;;
1034
1035         xsgen)
1036                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1037                 ;;
1038
1039         xnone)
1040                 AC_MSG_WARN("Compiling mono without GC.")
1041                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1042                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1043                 ;;
1044         *)
1045                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1046                 ;;
1047 esac
1048
1049 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1050 if test "x$large_heap" = "xyes"; then
1051    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1052 fi
1053
1054 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1055 AC_SUBST(LIBGC_CPPFLAGS)
1056 AC_SUBST(LIBGC_LIBS)
1057 AC_SUBST(LIBGC_STATIC_LIBS)
1058 AC_SUBST(libgc_dir)
1059 AC_SUBST(BOEHM_DEFINES)
1060
1061 dnl
1062 dnl End of libgc checks
1063 dnl
1064
1065 dnl *************************************
1066 dnl *** Checks for zero length arrays ***
1067 dnl *************************************
1068 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1069 AC_TRY_COMPILE([
1070         struct s {
1071                 int  length;
1072                 char data [0];
1073         };
1074 ], [], [
1075         AC_MSG_RESULT(yes)
1076         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1077 ], [
1078         AC_MSG_RESULT(no)
1079         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1080 ])
1081
1082 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1083
1084 if test x$target_win32 = xno; then
1085
1086         dnl hires monotonic clock support
1087         AC_SEARCH_LIBS(clock_gettime, rt)
1088
1089         dnl dynamic loader support
1090         AC_CHECK_FUNC(dlopen, DL_LIB="",
1091                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1092         )
1093         if test x$dl_support = xno; then
1094                 AC_MSG_WARN([No dynamic loading support available])
1095         else
1096                 LIBS="$LIBS $DL_LIB"
1097                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1098                 dnl from glib's configure.in
1099                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1100                         mono_cv_uscore,[
1101                         AC_TRY_RUN([#include <dlfcn.h>
1102                         int mono_underscore_test (void) { return 42; }
1103                         int main() {
1104                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1105                           handle = dlopen ((void*)0, 0);
1106                           if (handle) {
1107                             f1 = dlsym (handle, "mono_underscore_test");
1108                             f2 = dlsym (handle, "_mono_underscore_test");
1109                           } return (!f2 || f1);
1110                         }],
1111                                 [mono_cv_uscore=yes],
1112                                 [mono_cv_uscore=no],
1113                         [])
1114                 ])
1115                 if test "x$mono_cv_uscore" = "xyes"; then
1116                         MONO_DL_NEED_USCORE=1
1117                 else
1118                         MONO_DL_NEED_USCORE=0
1119                 fi
1120                 AC_SUBST(MONO_DL_NEED_USCORE)
1121                 AC_CHECK_FUNC(dlerror)
1122         fi
1123
1124         dnl ******************************************************************
1125         dnl *** Checks for the IKVM JNI interface library                  ***
1126         dnl ******************************************************************
1127         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])
1128
1129         ikvm_native_dir=
1130         if test x$with_ikvm_native = xyes; then
1131                 ikvm_native_dir=ikvm-native
1132                 jdk_headers_found="IKVM Native"
1133         fi
1134
1135         AC_SUBST(ikvm_native_dir)
1136
1137         AC_CHECK_HEADERS(execinfo.h)
1138
1139         AC_CHECK_FUNCS(getgrgid_r)
1140         AC_CHECK_FUNCS(getgrnam_r)
1141         AC_CHECK_FUNCS(getpwnam_r)
1142         AC_CHECK_FUNCS(getpwuid_r)
1143         AC_CHECK_FUNCS(getresuid)
1144         AC_CHECK_FUNCS(setresuid)
1145         AC_CHECK_FUNCS(kqueue)
1146         AC_CHECK_FUNCS(backtrace_symbols)
1147         AC_CHECK_FUNCS(mkstemp)
1148         AC_CHECK_FUNCS(mmap)
1149         AC_CHECK_FUNCS(madvise)
1150         AC_CHECK_FUNCS(getrusage)
1151         AC_CHECK_FUNCS(getpriority)
1152         AC_CHECK_FUNCS(setpriority)
1153         AC_CHECK_FUNCS(dl_iterate_phdr)
1154         AC_CHECK_FUNCS(dladdr)
1155         AC_CHECK_FUNCS(sysconf)
1156
1157         AC_CHECK_FUNCS(sched_setaffinity)
1158         AC_CHECK_FUNCS(sched_getcpu)
1159
1160         dnl ****************************************************************
1161         dnl *** Check for sched_setaffinity from glibc versions before   ***
1162         dnl *** 2.3.4. The older versions of the function only take 2    ***
1163         dnl *** parameters, not 3.                                       ***
1164         dnl ***                                                          ***
1165         dnl *** Because the interface change was not made in a minor     ***
1166         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1167         dnl *** won't always indicate the interface sched_affinity has.  ***
1168         dnl ****************************************************************
1169         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1170         AC_TRY_COMPILE([#include <sched.h>], [
1171             int mask = 1; 
1172             sched_setaffinity(0, &mask);
1173                         return 0;
1174         ], [
1175                 # Yes, we have it...
1176                 AC_MSG_RESULT(yes)
1177                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1178         ], [
1179                 # We have the new, three-parameter version
1180                 AC_MSG_RESULT(no)
1181         ])
1182
1183
1184         dnl ******************************************************************
1185         dnl *** Check for large file support                               ***
1186         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1187         dnl ******************************************************************
1188         
1189         # Check that off_t can represent 2**63 - 1 correctly, working around
1190         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1191         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1192         large_offt=no
1193         AC_DEFUN([LARGE_FILES], [
1194                 large_CPPFLAGS=$CPPFLAGS
1195                 CPPFLAGS="$CPPFLAGS $1"
1196                 AC_TRY_COMPILE([
1197                         #include <sys/types.h>
1198                         #include <limits.h>
1199                 ], [
1200                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1201                         #define COMPILE_TIME_ASSERT(pred) \
1202                                 switch(0){case 0:case pred:;}
1203                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1204                 ], [
1205                         AC_MSG_RESULT(ok)
1206                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1207                         large_CPPFLAGS="$large_CPPFLAGS $1"
1208                         large_offt=yes
1209                 ], [
1210                         AC_MSG_RESULT(no)
1211                 ])
1212                 CPPFLAGS=$large_CPPFLAGS
1213         ])
1214
1215         AC_MSG_CHECKING(if off_t is 64 bits wide)
1216         LARGE_FILES("")
1217         if test $large_offt = no; then
1218                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1219                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1220         fi
1221         if test $large_offt = no; then
1222                 AC_MSG_WARN([No 64 bit file size support available])
1223         fi
1224         
1225         dnl *****************************
1226         dnl *** Checks for libsocket  ***
1227         dnl *****************************
1228         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1229
1230         case "$host" in
1231                 *-*-*freebsd*)
1232                         dnl *****************************
1233                         dnl *** Checks for libinotify ***
1234                         dnl *****************************
1235                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1236         esac
1237
1238         dnl *******************************
1239         dnl *** Checks for MSG_NOSIGNAL ***
1240         dnl *******************************
1241         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1242         AC_TRY_COMPILE([#include <sys/socket.h>], [
1243                 int f = MSG_NOSIGNAL;
1244         ], [
1245                 # Yes, we have it...
1246                 AC_MSG_RESULT(yes)
1247                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1248         ], [
1249                 # We'll have to use signals
1250                 AC_MSG_RESULT(no)
1251         ])
1252
1253         dnl *****************************
1254         dnl *** Checks for IPPROTO_IP ***
1255         dnl *****************************
1256         AC_MSG_CHECKING(for IPPROTO_IP)
1257         AC_TRY_COMPILE([#include <netinet/in.h>], [
1258                 int level = IPPROTO_IP;
1259         ], [
1260                 # Yes, we have it...
1261                 AC_MSG_RESULT(yes)
1262                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1263         ], [
1264                 # We'll have to use getprotobyname
1265                 AC_MSG_RESULT(no)
1266         ])
1267
1268         dnl *******************************
1269         dnl *** Checks for IPPROTO_IPV6 ***
1270         dnl *******************************
1271         AC_MSG_CHECKING(for IPPROTO_IPV6)
1272         AC_TRY_COMPILE([#include <netinet/in.h>], [
1273                 int level = IPPROTO_IPV6;
1274         ], [
1275                 # Yes, we have it...
1276                 AC_MSG_RESULT(yes)
1277                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1278         ], [
1279                 # We'll have to use getprotobyname
1280                 AC_MSG_RESULT(no)
1281         ])
1282
1283         dnl ******************************
1284         dnl *** Checks for IPPROTO_TCP ***
1285         dnl ******************************
1286         AC_MSG_CHECKING(for IPPROTO_TCP)
1287         AC_TRY_COMPILE([#include <netinet/in.h>], [
1288                 int level = IPPROTO_TCP;
1289         ], [
1290                 # Yes, we have it...
1291                 AC_MSG_RESULT(yes)
1292                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1293         ], [
1294                 # We'll have to use getprotobyname
1295                 AC_MSG_RESULT(no)
1296         ])
1297
1298         dnl *****************************
1299         dnl *** Checks for SOL_IP     ***
1300         dnl *****************************
1301         AC_MSG_CHECKING(for SOL_IP)
1302         AC_TRY_COMPILE([#include <netdb.h>], [
1303                 int level = SOL_IP;
1304         ], [
1305                 # Yes, we have it...
1306                 AC_MSG_RESULT(yes)
1307                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1308         ], [
1309                 # We'll have to use getprotobyname
1310                 AC_MSG_RESULT(no)
1311         ])
1312
1313         dnl *****************************
1314         dnl *** Checks for SOL_IPV6     ***
1315         dnl *****************************
1316         AC_MSG_CHECKING(for SOL_IPV6)
1317         AC_TRY_COMPILE([#include <netdb.h>], [
1318                 int level = SOL_IPV6;
1319         ], [
1320                 # Yes, we have it...
1321                 AC_MSG_RESULT(yes)
1322                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1323         ], [
1324                 # We'll have to use getprotobyname
1325                 AC_MSG_RESULT(no)
1326         ])
1327
1328         dnl *****************************
1329         dnl *** Checks for SOL_TCP    ***
1330         dnl *****************************
1331         AC_MSG_CHECKING(for SOL_TCP)
1332         AC_TRY_COMPILE([#include <netdb.h>], [
1333                 int level = SOL_TCP;
1334         ], [
1335                 # Yes, we have it...
1336                 AC_MSG_RESULT(yes)
1337                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1338         ], [
1339                 # We'll have to use getprotobyname
1340                 AC_MSG_RESULT(no)
1341         ])
1342
1343         dnl *****************************
1344         dnl *** Checks for IP_PKTINFO ***
1345         dnl *****************************
1346         AC_MSG_CHECKING(for IP_PKTINFO)
1347         AC_TRY_COMPILE([#include <linux/in.h>], [
1348                 int level = IP_PKTINFO;
1349         ], [
1350                 # Yes, we have it...
1351                 AC_MSG_RESULT(yes)
1352                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1353         ], [
1354                 AC_MSG_RESULT(no)
1355         ])
1356
1357         dnl *****************************
1358         dnl *** Checks for IPV6_PKTINFO ***
1359         dnl *****************************
1360         AC_MSG_CHECKING(for IPV6_PKTINFO)
1361         AC_TRY_COMPILE([#include <netdb.h>], [
1362                 int level = IPV6_PKTINFO;
1363         ], [
1364                 # Yes, we have it...
1365                 AC_MSG_RESULT(yes)
1366                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1367         ], [
1368                 AC_MSG_RESULT(no)
1369         ])
1370
1371         dnl **********************************
1372         dnl *** Checks for IP_DONTFRAG     ***
1373         dnl **********************************
1374         AC_MSG_CHECKING(for IP_DONTFRAG)
1375         AC_TRY_COMPILE([#include <netinet/in.h>], [
1376                 int level = IP_DONTFRAG;
1377         ], [
1378                 # Yes, we have it...
1379                 AC_MSG_RESULT(yes)
1380                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1381         ], [
1382                 AC_MSG_RESULT(no)
1383         ])
1384
1385         dnl **********************************
1386         dnl *** Checks for IP_DONTFRAGMENT ***
1387         dnl **********************************
1388         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1389         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1390                 int level = IP_DONTFRAGMENT;
1391         ], [
1392                 # Yes, we have it...
1393                 AC_MSG_RESULT(yes)
1394                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1395         ], [
1396                 AC_MSG_RESULT(no)
1397         ])
1398
1399         dnl **********************************
1400         dnl *** Checks for IP_MTU_DISCOVER ***
1401         dnl **********************************
1402         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1403         AC_TRY_COMPILE([#include <linux/in.h>], [
1404                 int level = IP_MTU_DISCOVER;
1405         ], [
1406                 # Yes, we have it...
1407                 AC_MSG_RESULT(yes)
1408                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1409         ], [
1410                 AC_MSG_RESULT(no)
1411         ])
1412
1413         dnl **********************************
1414         dnl *** Checks for  IP_PMTUDISC_DO ***
1415         dnl **********************************
1416         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1417         AC_TRY_COMPILE([#include <linux/in.h>], [
1418                 int level = IP_PMTUDISC_DO;
1419         ], [
1420                 # Yes, we have it...
1421                 AC_MSG_RESULT(yes)
1422                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1423         ], [
1424                 AC_MSG_RESULT(no)
1425         ])
1426
1427         dnl *********************************
1428         dnl *** Check for struct ip_mreqn ***
1429         dnl *********************************
1430         AC_MSG_CHECKING(for struct ip_mreqn)
1431         AC_TRY_COMPILE([#include <netinet/in.h>], [
1432                 struct ip_mreqn mreq;
1433                 mreq.imr_address.s_addr = 0;
1434         ], [
1435                 # Yes, we have it...
1436                 AC_MSG_RESULT(yes)
1437                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1438         ], [
1439                 # We'll just have to try and use struct ip_mreq
1440                 AC_MSG_RESULT(no)
1441                 AC_MSG_CHECKING(for struct ip_mreq)
1442                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1443                         struct ip_mreq mreq;
1444                         mreq.imr_interface.s_addr = 0;
1445                 ], [
1446                         # Yes, we have it...
1447                         AC_MSG_RESULT(yes)
1448                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1449                 ], [
1450                         # No multicast support
1451                         AC_MSG_RESULT(no)
1452                 ])
1453         ])
1454         
1455         dnl **********************************
1456         dnl *** Check for gethostbyname2_r ***
1457         dnl **********************************
1458         AC_MSG_CHECKING(for gethostbyname2_r)
1459                 AC_TRY_LINK([#include <netdb.h>], [
1460                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1461         ], [
1462                 # Yes, we have it...
1463                 AC_MSG_RESULT(yes)
1464                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1465         ], [
1466                 AC_MSG_RESULT(no)
1467         ])
1468
1469         dnl *****************************
1470         dnl *** Checks for libnsl     ***
1471         dnl *****************************
1472         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1473
1474         AC_CHECK_FUNCS(inet_pton inet_aton)
1475
1476         dnl ***********************************************
1477         dnl *** Checks for size of sockaddr_un.sun_path ***
1478         dnl ***********************************************
1479         # AC_CHECK_SIZEOF can't cope with struct members :-(
1480         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1481         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1482                 [AC_TRY_RUN([
1483                         #include <sys/types.h>
1484                         #include <stdio.h>
1485                         #include <sys/un.h>
1486
1487                         int main(void) {
1488                                 struct sockaddr_un sock_un;
1489                                 FILE *f=fopen("conftestval", "w");
1490                                 if(!f) exit(1);
1491                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1492                                 exit(0);
1493                         }
1494                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1495                    mono_cv_sizeof_sunpath=0,
1496                    mono_cv_sizeof_sunpath=0)])dnl
1497         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1498         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1499
1500         dnl *****************************
1501         dnl *** Checks for libxnet    ***
1502         dnl *****************************
1503         case "${host}" in
1504                 *solaris* )
1505                         AC_MSG_CHECKING(for Solaris XPG4 support)
1506                         if test -f /usr/lib/libxnet.so; then
1507                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1508                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1509                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1510                                 LIBS="$LIBS -lxnet"
1511                                 AC_MSG_RESULT(yes)
1512                         else
1513                                 AC_MSG_RESULT(no)
1514                         fi
1515
1516                         if test "$GCC" = "yes"; then
1517                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1518                         fi
1519                 ;;
1520         esac
1521
1522         dnl *****************************
1523         dnl *** Checks for libpthread ***
1524         dnl *****************************
1525 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1526 # and libpthread does not exist
1527 #
1528         case "${host}" in
1529                 *-*-*freebsd*)
1530                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1531                 ;;
1532                 *-*-*openbsd*)
1533                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1534                 ;;
1535                 *)
1536                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1537                 ;;
1538         esac
1539         AC_CHECK_HEADERS(pthread.h)
1540         AC_CHECK_HEADERS(pthread_np.h)
1541         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1542         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1543         AC_CHECK_FUNCS(pthread_kill)
1544         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1545         AC_TRY_COMPILE([ #include <pthread.h>], [
1546                 pthread_mutexattr_t attr;
1547                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1548         ], [
1549                 AC_MSG_RESULT(ok)
1550         ], [
1551                 AC_MSG_RESULT(no)
1552                 AC_ERROR(Posix system lacks support for recursive mutexes)
1553         ])
1554         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1555         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1556         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1557
1558         dnl ***********************************
1559         dnl *** Checks for signals
1560         dnl ***********************************
1561         AC_CHECK_HEADERS(signal.h)
1562         AC_CHECK_FUNCS(sigaction)
1563
1564         dnl ***********************************
1565         dnl *** Checks for working __thread ***
1566         dnl ***********************************
1567         AC_MSG_CHECKING(for working __thread)
1568         if test "x$with_tls" != "x__thread"; then
1569                 AC_MSG_RESULT(disabled)
1570         else
1571                 AC_TRY_RUN([
1572                         #include <pthread.h>
1573                         __thread int i;
1574                         static int res1, res2;
1575
1576                         void thread_main (void *arg)
1577                         {
1578                                 i = arg;
1579                                 sleep (1);
1580                                 if (arg == 1)
1581                                         res1 = (i == arg);
1582                                 else
1583                                         res2 = (i == arg);
1584                         }
1585
1586                         int main () {
1587                                 pthread_t t1, t2;
1588
1589                                 i = 5;
1590
1591                                 pthread_create (&t1, NULL, thread_main, 1);
1592                                 pthread_create (&t2, NULL, thread_main, 2);
1593
1594                                 pthread_join (t1, NULL);
1595                                 pthread_join (t2, NULL);
1596
1597                                 return !(res1 + res2 == 2);
1598                         }
1599                 ], [
1600                                 AC_MSG_RESULT(yes)
1601                 ], [
1602                                 AC_MSG_RESULT(no)
1603                                 with_tls=pthread
1604                 ])
1605         fi
1606
1607         dnl **************************************
1608         dnl *** Checks for working sigaltstack ***
1609         dnl **************************************
1610         AC_MSG_CHECKING(for working sigaltstack)
1611         if test "x$with_sigaltstack" != "xyes"; then
1612                 AC_MSG_RESULT(disabled)
1613         else
1614                 AC_TRY_RUN([
1615                         #include <stdio.h>
1616                         #include <stdlib.h>
1617                         #include <unistd.h>
1618                         #include <signal.h>
1619                         #include <pthread.h>
1620                         #include <sys/wait.h>
1621                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1622                         #define SA_STACK SA_ONSTACK
1623                         #endif
1624                         static void
1625                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1626                         {
1627                                 exit (0);
1628                         }
1629
1630                         volatile char*__ptr = NULL;
1631                         static void *
1632                         loop (void *ignored)
1633                         {
1634                                 *__ptr = 0;
1635                                 return NULL;
1636                         }
1637
1638                         static void
1639                         child ()
1640                         {
1641                                 struct sigaction sa;
1642                         #ifdef __APPLE__
1643                                 stack_t sas;
1644                         #else
1645                                 struct sigaltstack sas;
1646                         #endif
1647                                 pthread_t id;
1648                                 pthread_attr_t attr;
1649
1650                                 sa.sa_sigaction = sigsegv_signal_handler;
1651                                 sigemptyset (&sa.sa_mask);
1652                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1653                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1654                                         perror ("sigaction");
1655                                         return;
1656                                 }
1657
1658                                 /* x86 darwin deliver segfaults using SIGBUS */
1659                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1660                                         perror ("sigaction");
1661                                         return;
1662                                 }
1663                                 sas.ss_sp = malloc (SIGSTKSZ);
1664                                 sas.ss_size = SIGSTKSZ;
1665                                 sas.ss_flags = 0;
1666                                 if (sigaltstack (&sas, NULL) == -1) {
1667                                         perror ("sigaltstack");
1668                                         return;
1669                                 }
1670
1671                                 pthread_attr_init (&attr);
1672                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1673                                         printf ("pthread_create\n");
1674                                         return;
1675                                 }
1676
1677                                 sleep (100);
1678                         }
1679
1680                         int
1681                         main ()
1682                         {
1683                                 pid_t son;
1684                                 int status;
1685                                 int i;
1686
1687                                 son = fork ();
1688                                 if (son == -1) {
1689                                         return 1;
1690                                 }
1691
1692                                 if (son == 0) {
1693                                         child ();
1694                                         return 0;
1695                                 }
1696
1697                                 for (i = 0; i < 300; ++i) {
1698                                         waitpid (son, &status, WNOHANG);
1699                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1700                                                 return 0;
1701                                         usleep (10000);
1702                                 }
1703
1704                                 kill (son, SIGKILL);
1705                                 return 1;
1706                         }
1707
1708                 ], [
1709                                 AC_MSG_RESULT(yes)
1710                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1711                 ], [
1712                                 with_sigaltstack=no
1713                                 AC_MSG_RESULT(no)
1714                 ])
1715         fi
1716
1717         dnl ********************************
1718         dnl *** Checks for semaphore lib ***
1719         dnl ********************************
1720         # 'Real Time' functions on Solaris
1721         # posix4 on Solaris 2.6
1722         # pthread (first!) on Linux
1723         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1724
1725         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1726         AC_CHECK_FUNCS(shm_open)
1727
1728         dnl ********************************
1729         dnl *** Checks for timezone stuff **
1730         dnl ********************************
1731         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1732                 AC_TRY_COMPILE([
1733                         #include <time.h>
1734                         ], [
1735                         struct tm tm;
1736                         tm.tm_gmtoff = 1;
1737                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1738         if test $ac_cv_struct_tm_gmtoff = yes; then
1739                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1740         else
1741                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1742                         AC_TRY_COMPILE([
1743                                 #include <time.h>
1744                         ], [
1745                                 timezone = 1;
1746                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1747                 if test $ac_cv_var_timezone = yes; then
1748                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1749                 else
1750                         AC_ERROR(unable to find a way to determine timezone)
1751                 fi
1752         fi
1753
1754         dnl *********************************
1755         dnl *** Checks for math functions ***
1756         dnl *********************************
1757         AC_SEARCH_LIBS(sqrtf, m)
1758         if test "x$has_broken_apple_cpp" != "xyes"; then
1759                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1760                         AC_TRY_LINK([#include <math.h>], 
1761                         [ finite(0.0); ], 
1762                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1763                         AC_MSG_RESULT(no)))
1764         fi
1765         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1766                 AC_TRY_LINK([#include <math.h>], 
1767                 [ isfinite(0.0); ], 
1768                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1769                 AC_MSG_RESULT(no)))
1770
1771         dnl ****************************************************************
1772         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1773         dnl *** have it in the library (duh))                            ***
1774         dnl ****************************************************************
1775         AC_CHECK_FUNCS(poll)
1776
1777         dnl *************************
1778         dnl *** Check for signbit ***
1779         dnl *************************
1780         AC_MSG_CHECKING(for signbit)
1781         AC_TRY_LINK([#include <math.h>], [
1782                 int s = signbit(1.0);
1783         ], [
1784                 AC_MSG_RESULT(yes)
1785                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1786         ], [
1787                 AC_MSG_RESULT(no)
1788         ]) 
1789
1790         dnl **********************************
1791         dnl *** epoll                      ***
1792         dnl **********************************
1793         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1794                 AC_CHECK_HEADERS(sys/epoll.h)
1795                 haveepoll=no
1796                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1797                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1798                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1799                 fi
1800         fi
1801
1802         havekqueue=no
1803         AC_CHECK_FUNCS(kqueue, , AC_MSG_CHECKING(for kqueue in sys/event.h)
1804                 AC_TRY_LINK([#include <sys/event.h>], 
1805                 [ kqueue(); ],[havekqueue=yes],[]))
1806
1807         dnl **************************************
1808         dnl * Darwin has a race that prevents us from using reliably:
1809         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1810         dnl * Since kqueue is mostly used for scaling large web servers, 
1811         dnl * and very few folks run Mono on large web servers on OSX, falling
1812         dnl * back 
1813         dnl **************************************
1814         if test x$havekqueue = xyes; then
1815                 if x$platform_darwin = xno; then
1816                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1817                 fi
1818         fi
1819
1820         dnl ******************************
1821         dnl *** Checks for SIOCGIFCONF ***
1822         dnl ******************************
1823         AC_CHECK_HEADERS(sys/ioctl.h)
1824         AC_CHECK_HEADERS(net/if.h, [], [],
1825            [
1826            #ifdef HAVE_SYS_TYPES_H
1827            # include <sys/types.h>
1828            #endif
1829            #ifdef HAVE_SYS_SOCKET_H
1830            # include <sys/socket.h>
1831            #endif
1832            ])
1833         AC_MSG_CHECKING(for ifreq)
1834         AC_TRY_COMPILE([
1835                 #include <stdio.h>
1836                 #include <sys/ioctl.h>
1837                 #include <net/if.h>
1838                 ], [
1839                 struct ifconf ifc;
1840                 struct ifreq *ifr;
1841                 void *x;
1842                 ifc.ifc_len = 0;
1843                 ifc.ifc_buf = NULL;
1844                 x = (void *) &ifr->ifr_addr;
1845                 ],[
1846                         AC_MSG_RESULT(yes)
1847                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1848                 ], [
1849                         AC_MSG_RESULT(no)
1850                 ])
1851         dnl **********************************
1852         dnl ***     Checks for sin_len     ***
1853         dnl **********************************
1854         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1855         AC_TRY_COMPILE([
1856                 #include <netinet/in.h>
1857                 ], [
1858                 struct sockaddr_in saddr;
1859                 saddr.sin_len = sizeof (saddr);
1860                 ],[
1861                         AC_MSG_RESULT(yes)
1862                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1863                 ], [
1864                         AC_MSG_RESULT(no)
1865                 ])      
1866         dnl **********************************
1867         dnl ***    Checks for sin6_len     ***
1868         dnl **********************************
1869         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1870         AC_TRY_COMPILE([
1871                 #include <netinet/in.h>
1872                 ], [
1873                 struct sockaddr_in6 saddr6;
1874                 saddr6.sin6_len = sizeof (saddr6);
1875                 ],[
1876                         AC_MSG_RESULT(yes)
1877                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1878                 ], [
1879                         AC_MSG_RESULT(no)
1880                 ])
1881         dnl **********************************
1882         dnl *** Check for getifaddrs       ***
1883         dnl **********************************
1884         AC_MSG_CHECKING(for getifaddrs)
1885                 AC_TRY_LINK([
1886                 #include <stdio.h>
1887                 #include <sys/types.h>
1888                 #include <sys/socket.h>
1889                 #include <ifaddrs.h>
1890         ], [
1891                 getifaddrs(NULL);
1892         ], [
1893                 # Yes, we have it...
1894                 AC_MSG_RESULT(yes)
1895                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1896         ], [
1897                 AC_MSG_RESULT(no)
1898         ])
1899         dnl **********************************
1900         dnl *** Check for if_nametoindex   ***
1901         dnl **********************************
1902         AC_MSG_CHECKING(for if_nametoindex)
1903                 AC_TRY_LINK([
1904                 #include <stdio.h>
1905                 #include <sys/types.h>
1906                 #include <sys/socket.h>
1907                 #include <net/if.h>
1908         ], [
1909                 if_nametoindex(NULL);
1910         ], [
1911                 # Yes, we have it...
1912                 AC_MSG_RESULT(yes)
1913                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1914         ], [
1915                 AC_MSG_RESULT(no)
1916         ])
1917                         
1918         dnl **********************************
1919         dnl *** Checks for MonoPosixHelper ***
1920         dnl **********************************
1921         AC_CHECK_HEADERS(checklist.h)
1922         AC_CHECK_HEADERS(pathconf.h)
1923         AC_CHECK_HEADERS(fstab.h)
1924         AC_CHECK_HEADERS(attr/xattr.h)
1925         AC_CHECK_HEADERS(sys/extattr.h)
1926         AC_CHECK_HEADERS(sys/sendfile.h)
1927         AC_CHECK_HEADERS(sys/statvfs.h)
1928         AC_CHECK_HEADERS(sys/statfs.h)
1929         AC_CHECK_HEADERS(sys/vfstab.h)
1930         AC_CHECK_HEADERS(sys/xattr.h)
1931         AC_CHECK_HEADERS(sys/mman.h)
1932         AC_CHECK_HEADERS(sys/param.h)
1933         AC_CHECK_HEADERS(sys/mount.h, [], [],
1934                 [
1935                 #ifdef HAVE_SYS_PARAM_H
1936                 # include <sys/param.h>
1937                 #endif
1938                 ])
1939         AC_CHECK_HEADERS(sys/mount.h)
1940         AC_CHECK_FUNCS(confstr)
1941         AC_CHECK_FUNCS(seekdir telldir)
1942         AC_CHECK_FUNCS(getdomainname)
1943         AC_CHECK_FUNCS(setdomainname)
1944         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1945         AC_CHECK_FUNCS(setgroups)
1946         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1947         AC_CHECK_FUNCS(getfsstat)
1948         AC_CHECK_FUNCS(lutimes futimes)
1949         AC_CHECK_FUNCS(mremap)
1950         AC_CHECK_FUNCS(remap_file_pages)
1951         AC_CHECK_FUNCS(posix_fadvise)
1952         AC_CHECK_FUNCS(posix_fallocate)
1953         AC_CHECK_FUNCS(posix_madvise)
1954         AC_CHECK_FUNCS(vsnprintf)
1955         AC_CHECK_FUNCS(sendfile)
1956         AC_CHECK_FUNCS(gethostid sethostid)
1957         AC_CHECK_FUNCS(sethostname)
1958         AC_CHECK_FUNCS(statfs)
1959         AC_CHECK_FUNCS(fstatfs)
1960         AC_CHECK_FUNCS(statvfs)
1961         AC_CHECK_FUNCS(fstatvfs)
1962         AC_CHECK_FUNCS(stime)
1963         AC_CHECK_FUNCS(strerror_r)
1964         AC_CHECK_FUNCS(ttyname_r)
1965         AC_CHECK_FUNCS(psignal)
1966         AC_CHECK_FUNCS(getlogin_r)
1967         AC_CHECK_FUNCS(lockf)
1968         AC_CHECK_FUNCS(swab)
1969         AC_CHECK_FUNCS(setusershell endusershell)
1970         AC_CHECK_FUNCS(futimens utimensat)
1971         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
1972         AC_CHECK_FUNCS(readv writev preadv pwritev)
1973         AC_CHECK_SIZEOF(size_t)
1974         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
1975                 [#include <sys/types.h>
1976                  #include <sys/stat.h>
1977                  #include <unistd.h>])
1978         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1979                 [#include <sys/types.h>
1980                  #include <sys/stat.h>
1981                  #include <unistd.h>])
1982         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1983                 [#include <sys/time.h>])
1984         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
1985                 [#include <unistd.h>
1986                  #include <fcntl.h>])
1987         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
1988                 [#include <sys/uio.h>])
1989         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1990                 [#include <sys/poll.h>])
1991         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1992                 [#include <sys/types.h>
1993                  #include <sys/stat.h>
1994                  #include <unistd.h>])
1995         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
1996                 [#include <time.h>])
1997         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1998                 [#include <sys/time.h>
1999                  #include <sys/types.h>
2000                  #include <utime.h>])
2001         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2002                 [#include <sys/time.h>])
2003         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2004                 [#include <sys/types.h>
2005                  #include <utime.h>])
2006         AC_CHECK_MEMBERS(
2007                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2008                 [#include <sys/types.h>
2009                  #include <dirent.h>])
2010         AC_CHECK_MEMBERS(
2011                 [struct passwd.pw_gecos],,, 
2012                 [#include <sys/types.h>
2013                  #include <pwd.h>])
2014         AC_CHECK_MEMBERS(
2015                 [struct statfs.f_flags],,, 
2016                 [#include <sys/types.h>
2017                  #include <sys/vfs.h>])
2018         AC_CHECK_MEMBERS(
2019                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2020                 [#include <sys/types.h>
2021                  #include <sys/stat.h>
2022                  #include <unistd.h>])
2023
2024         dnl Favour xattr through glibc, but use libattr if we have to
2025         AC_CHECK_FUNC(lsetxattr, ,
2026                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2027         )
2028         AC_SUBST(XATTR_LIB)
2029
2030         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2031         AC_CHECK_MEMBERS(
2032                 [struct kinfo_proc.kp_proc],,, 
2033                 [#include <sys/types.h>
2034                  #include <sys/param.h>
2035                  #include <sys/sysctl.h>
2036                  #include <sys/proc.h>
2037                  ])
2038
2039         dnl *********************************
2040         dnl *** Checks for Windows compilation ***
2041         dnl *********************************
2042         AC_CHECK_HEADERS(sys/time.h)
2043         AC_CHECK_HEADERS(sys/param.h)
2044         AC_CHECK_HEADERS(dirent.h)
2045
2046         dnl ******************************************
2047         dnl *** Checks for OSX and iOS compilation ***
2048         dnl ******************************************
2049         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2050
2051         dnl *********************************
2052         dnl *** Check for Console 2.0 I/O ***
2053         dnl *********************************
2054         AC_CHECK_HEADERS([curses.h])
2055         AC_CHECK_HEADERS([term.h], [], [],
2056         [#if HAVE_CURSES_H
2057          #include <curses.h>
2058          #endif
2059         ])
2060         AC_CHECK_HEADERS([termios.h])
2061
2062         dnl * This is provided in io-layer, but on windows it's only available
2063         dnl * on xp+
2064         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2065 else
2066         dnl *********************************
2067         dnl *** Checks for Windows compilation ***
2068         dnl *********************************
2069         AC_CHECK_HEADERS(winternl.h)
2070
2071         jdk_headers_found=no
2072         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2073         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2074         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2075         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2076         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2077         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2078         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2079
2080         dnl *********************************
2081         dnl *** Check for struct ip_mreqn ***
2082         dnl *********************************
2083         AC_MSG_CHECKING(for struct ip_mreqn)
2084         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2085                 struct ip_mreqn mreq;
2086                 mreq.imr_address.s_addr = 0;
2087         ], [
2088                 # Yes, we have it...
2089                 AC_MSG_RESULT(yes)
2090                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2091         ], [
2092                 # We'll just have to try and use struct ip_mreq
2093                 AC_MSG_RESULT(no)
2094                 AC_MSG_CHECKING(for struct ip_mreq)
2095                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2096                         struct ip_mreq mreq;
2097                         mreq.imr_interface.s_addr = 0;
2098                 ], [
2099                         # Yes, we have it...
2100                         AC_MSG_RESULT(yes)
2101                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2102                 ], [
2103                         # No multicast support
2104                         AC_MSG_RESULT(no)
2105                 ])
2106         ])
2107         AC_CHECK_FUNCS(GetProcessId)
2108 fi
2109
2110 dnl socklen_t check
2111 AC_MSG_CHECKING(for socklen_t)
2112 AC_TRY_COMPILE([
2113 #include <sys/types.h>
2114 #include <sys/socket.h>
2115 ],[
2116   socklen_t foo;
2117 ],[
2118 ac_cv_c_socklen_t=yes
2119         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2120         AC_MSG_RESULT(yes)
2121 ],[
2122         AC_MSG_RESULT(no)
2123 ])
2124
2125 AC_MSG_CHECKING(for array element initializer support)
2126 AC_TRY_COMPILE([#include <sys/socket.h>], [
2127         const int array[] = {[1] = 2,};
2128 ], [
2129         # Yes, we have it...
2130         AC_MSG_RESULT(yes)
2131         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2132 ], [
2133         # We'll have to use signals
2134         AC_MSG_RESULT(no)
2135 ])
2136
2137 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2138         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2139         AC_TRY_LINK([#include <math.h>], 
2140         [ static void *p = &trunc; ],
2141         [
2142                 AC_DEFINE(HAVE_TRUNC) 
2143                 AC_MSG_RESULT(yes)
2144                 ac_cv_trunc=yes
2145         ],
2146         AC_MSG_RESULT(no)))
2147
2148 if test "x$ac_cv_truncl" != "xyes"; then
2149    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2150 fi
2151
2152 AC_CHECK_FUNCS(round)
2153 AC_CHECK_FUNCS(rint)
2154 AC_CHECK_FUNCS(execvp)
2155
2156 dnl ****************************
2157 dnl *** Look for /dev/random ***
2158 dnl ****************************
2159
2160 AC_MSG_CHECKING([if usage of random device is requested])
2161 AC_ARG_ENABLE(dev-random,
2162 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2163 try_dev_random=$enableval, try_dev_random=yes)
2164
2165 AC_MSG_RESULT($try_dev_random)
2166
2167 case "{$build}" in
2168     *-openbsd*)
2169     NAME_DEV_RANDOM="/dev/srandom"
2170     ;;
2171
2172 dnl Win32 does not have /dev/random, they have their own method...
2173
2174     *-mingw*|*-*-cygwin*)
2175     ac_cv_have_dev_random=no
2176     ;;
2177
2178 dnl Everywhere else, it's /dev/random
2179
2180     *)
2181     NAME_DEV_RANDOM="/dev/random"
2182     ;;
2183 esac
2184
2185 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2186
2187 dnl Now check if the device actually exists
2188
2189 if test "x$try_dev_random" = "xyes"; then
2190     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2191     [if test -r "$NAME_DEV_RANDOM" ; then
2192         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2193     if test "x$ac_cv_have_dev_random" = "xyes"; then
2194         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2195     fi
2196 else
2197     AC_MSG_CHECKING(for random device)
2198     ac_cv_have_dev_random=no
2199     AC_MSG_RESULT(has been disabled)
2200 fi
2201
2202 if test "x$host_win32" = "xyes"; then
2203     AC_DEFINE(HAVE_CRYPT_RNG)
2204 fi
2205
2206 if test "x$ac_cv_have_dev_random" = "xno" \
2207     && test "x$host_win32" = "xno"; then
2208     AC_MSG_WARN([[
2209 ***
2210 *** A system-provided entropy source was not found on this system.
2211 *** Because of this, the System.Security.Cryptography random number generator
2212 *** will throw a NotImplemented exception.
2213 ***
2214 *** If you are seeing this message, and you know your system DOES have an
2215 *** entropy collection in place, please contact <crichton@gimp.org> and
2216 *** provide information about the system and how to access the random device.
2217 ***
2218 *** Otherwise you can install either egd or prngd and set the environment
2219 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2220 ***]])
2221 fi
2222  
2223 AC_MSG_CHECKING([if inter-process shared handles are requested])
2224 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2225 AC_MSG_RESULT($try_shared_handles)
2226 if test "x$try_shared_handles" != "xyes"; then
2227         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2228         AC_SUBST(DISABLE_SHARED_HANDLES)
2229 fi
2230
2231 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2232
2233 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2234 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2235
2236 AC_MSG_CHECKING([if big-arrays are to be enabled])
2237 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2238 if test "x$enable_big_arrays" = "xyes" ; then
2239     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2240         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2241     else
2242         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2243     fi
2244 fi
2245 AC_MSG_RESULT($enable_big_arrays)
2246
2247 dnl **************
2248 dnl *** DTRACE ***
2249 dnl **************
2250
2251 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2252
2253 if test "x$enable_dtrace" = "xyes"; then
2254    if test "x$has_dtrace" = "xno"; then
2255           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2256    fi
2257    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2258    if test "x$DTRACE" = "xno"; then
2259           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2260           enable_dtrace=no
2261    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2262           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2263           enable_dtrace=no
2264    fi
2265 fi
2266
2267 dtrace_g=no
2268 if test "x$enable_dtrace" = "xyes"; then
2269         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2270         DTRACEFLAGS=
2271         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2272                 case "$host" in
2273                         powerpc-*-darwin*)
2274                         DTRACEFLAGS="-arch ppc64"
2275                         ;;
2276                         i*86-*-darwin*)
2277                         DTRACEFLAGS="-arch x86_64"
2278                         ;;
2279                         *)
2280                         DTRACEFLAGS=-64
2281                         ;;
2282                 esac
2283         else
2284                 case "$host" in
2285                         powerpc-*-darwin*)
2286                         DTRACEFLAGS="-arch ppc"
2287                         ;;
2288                         i*86-*-darwin*)
2289                         DTRACEFLAGS="-arch i386"
2290                         ;;
2291                         *)
2292                         DTRACEFLAGS=-32
2293                         ;;
2294                 esac
2295         fi
2296         AC_SUBST(DTRACEFLAGS)
2297         case "$host" in
2298                 *-*-solaris*)
2299                 dtrace_g=yes
2300                 ;;
2301         esac
2302         AC_CHECK_HEADERS([sys/sdt.h])
2303 fi
2304 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2305 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2306
2307 dnl **************
2308 dnl ***  NaCl  ***
2309 dnl **************
2310
2311 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2312 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2313
2314 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2315
2316 dnl
2317 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2318 dnl
2319 nacl_self_host=""
2320 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2321    nacl_self_host="nacl_self_host"
2322 fi
2323 AC_SUBST(nacl_self_host)
2324
2325 if test "x$enable_nacl_codegen" = "xyes"; then
2326    MONO_NACL_ALIGN_MASK_OFF=1
2327    CPPFLAGS="$CPPFLAGS -D__native_client_codegen__"
2328    AC_DEFINE(TARGET_NACL, 1, [...])
2329 else
2330    MONO_NACL_ALIGN_MASK_OFF=0
2331    CPPFLAGS="$CPPFLAGS -D__default_codegen__"
2332 fi
2333 if test "x$enable_nacl_gc" = "xyes"; then
2334    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2335       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2336    else
2337       # Not yet implemented
2338       INSTRUMENT_CFLAG=""
2339    fi
2340    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2341 fi
2342 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2343
2344 dnl **************
2345 dnl ***  LLVM  ***
2346 dnl **************
2347
2348 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2349 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2350
2351 if test "x$enable_llvm" = "xyes"; then
2352    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2353    if test "x$LLVM_CONFIG" = "xno"; then
2354           AC_MSG_ERROR([llvm-config not found.])
2355    fi
2356
2357    llvm_codegen="x86codegen"
2358    case "$target" in
2359    arm*)
2360                 llvm_codegen="armcodegen"
2361                 ;;
2362    esac
2363
2364
2365    # The output of --cflags seems to include optimizations flags too
2366    LLVM_CFLAGS=`$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'`
2367    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2368    # from LLVM classes.
2369    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2370    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2371    LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2372    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2373
2374    # Should be something like '2.6' or '2.7svn'
2375    llvm_version=`$LLVM_CONFIG --version`
2376    major_version=`echo $llvm_version | cut -c 1`
2377    minor_version=`echo $llvm_version | cut -c 3`
2378    AC_MSG_CHECKING(LLVM version)
2379    AC_MSG_RESULT($llvm_version)
2380    if echo $llvm_version | grep -q 'mono'; then
2381           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2382           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"       
2383    else
2384           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.])
2385    fi
2386
2387    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2388    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2389    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2390
2391    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2392    # llvm's config.h
2393    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2394
2395    AC_SUBST(LLVM_CFLAGS)
2396    AC_SUBST(LLVM_CXXFLAGS)
2397    AC_SUBST(LLVM_LIBS)
2398    AC_SUBST(LLVM_LDFLAGS)
2399    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2400 fi
2401
2402 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2403 if test "x$enable_loadedllvm" = "xyes"; then
2404    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2405 fi
2406 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2407
2408 TARGET="unknown"
2409 ACCESS_UNALIGNED="yes"
2410
2411 JIT_SUPPORTED=no
2412 INTERP_SUPPORTED=no
2413 LIBC="libc.so.6"
2414 INTL="libc.so.6"
2415 SQLITE="libsqlite.so.0"
2416 SQLITE3="libsqlite3.so.0"
2417 X11="libX11.so"
2418
2419 sizeof_register="SIZEOF_VOID_P"
2420
2421 jit_wanted=true
2422 interp_wanted=false
2423 sgen_supported=false
2424 case "$host" in
2425 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
2426 #               TARGET=MIPS;
2427 #               ACCESS_UNALIGNED="no"
2428 #               ;;
2429         mips*)
2430                 TARGET=MIPS;
2431                 arch_target=mips;
2432                 sgen_supported=true
2433                 ACCESS_UNALIGNED="no"
2434                 JIT_SUPPORTED=yes
2435
2436                 AC_MSG_CHECKING(for mips n32)
2437                 AC_TRY_COMPILE([],[
2438                 #if _MIPS_SIM != _ABIN32
2439                 #error Not mips n32
2440                 #endif
2441                 return 0;
2442                 ],[
2443                 AC_MSG_RESULT(yes)
2444                 sizeof_register=8
2445                 ],[
2446                 AC_MSG_RESULT(no)
2447                 ])
2448                 ;;
2449         i*86-*-*)
2450                 TARGET=X86;
2451                 arch_target=x86;
2452                 JIT_SUPPORTED=yes
2453                 case $host_os in
2454                   solaris*)
2455                         LIBC="libc.so"
2456                         INTL="libintl.so"
2457                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2458                                 TARGET=AMD64
2459                                 arch_target=amd64
2460                         fi
2461
2462                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2463                         # int astruct __attribute__ ((visibility ("hidden")));
2464                         # void foo ()
2465                         # {
2466                         #       void *p = &astruct;
2467                         # }
2468                         # gcc -fPIC --shared -o libfoo.so foo.c
2469                         # yields:
2470                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2471                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2472                         have_visibility_hidden=no
2473                         sgen_supported=true
2474                         ;;
2475                   cygwin*)
2476                         sgen_supported=true
2477                         have_visibility_hidden=no                 
2478                         ;;
2479                   haiku*)
2480                         LIBC=libroot.so
2481                         ;;
2482                   linux*)
2483                         sgen_supported=true
2484                         AOT_SUPPORTED="yes"
2485                         ;;
2486                   darwin*)
2487                         sgen_supported=true
2488                         AOT_SUPPORTED="yes"
2489                         ;;
2490                   darwin*|openbsd*|freebsd*)
2491                         sgen_supported=true
2492                         ;;
2493                 esac
2494                 ;;
2495         x86_64-*-* | amd64-*-*)
2496                 TARGET=AMD64;
2497                 arch_target=amd64;
2498                 JIT_SUPPORTED=yes
2499                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2500                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2501                         sizeof_register=8
2502                 fi
2503                 case $host_os in
2504                   linux*)
2505                         sgen_supported=true
2506                         AOT_SUPPORTED="yes"
2507                         ;;
2508                   darwin*|openbsd*|freebsd*)
2509                         sgen_supported=true
2510                         ;;
2511                 esac
2512                 case "$host" in
2513                         x86_64-*-nacl*)
2514                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2515                                 sizeof_register=8
2516                                 ;;
2517                 esac
2518                 ;;
2519         ia64-*-*)
2520                 TARGET=IA64
2521                 arch_target=ia64
2522                 ACCESS_UNALIGNED="no"
2523                 JIT_SUPPORTED=yes
2524                 LIBC="libc.so.6.1"
2525                 INTL="libc.so.6.1"
2526                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2527                 libmono_ldflags="-lunwind"
2528                 ;;
2529         sparc*-*-*)
2530                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2531                    TARGET=SPARC64
2532                 else
2533                         TARGET=SPARC
2534                 fi
2535                 arch_target=sparc;
2536                 JIT_SUPPORTED=yes
2537                 ACCESS_UNALIGNED="no"
2538                 case $host_os in
2539                   linux*) ;;
2540                   *)
2541                         LIBC="libc.so"
2542                         INTL="libintl.so"
2543                 esac
2544                 if test x"$GCC" = xyes; then
2545                         # We don't support v8 cpus
2546                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2547                 fi
2548                 if test x"$AR" = xfalse; then
2549                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2550                 fi
2551                 sgen_supported=true
2552                 ;;
2553         *-mingw*|*-*-cygwin*)
2554                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2555                 have_visibility_hidden=no
2556                 INTL="intl"
2557                 ;;
2558         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2559         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2560                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2561                         TARGET=POWERPC64;
2562                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2563                         CFLAGS="$CFLAGS -mminimal-toc"
2564                 else
2565                         TARGET=POWERPC;
2566                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2567                 fi
2568                 arch_target=ppc;
2569                 JIT_SUPPORTED=yes
2570                 case $host_os in
2571                   linux*|darwin*)
2572                         sgen_supported=true
2573                         ;;
2574                 esac
2575                 ;;
2576         arm*-darwin*)
2577                 TARGET=ARM;
2578                 arch_target=arm;
2579                 ACCESS_UNALIGNED="no"
2580                 JIT_SUPPORTED=yes
2581                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__ -DHAVE_ARMV6=1"
2582                 # libgc's gc_locks.h depends on this
2583             NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2584                 sgen_supported=true
2585                 ;;
2586         arm*-linux*)
2587                 TARGET=ARM;
2588                 arch_target=arm;
2589                 ACCESS_UNALIGNED="no"
2590                 JIT_SUPPORTED=yes
2591                 sgen_supported=true
2592                 AOT_SUPPORTED="yes"
2593                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2594                 ;;
2595 # TODO: make proper support for NaCl host.
2596 #        arm*-*nacl)
2597 #               TARGET=ARM;
2598 #               arch_target=arm;
2599 #               ACCESS_UNALIGNED="no"
2600 #               JIT_SUPPORTED=yes
2601 #               sgen_supported=true
2602 #               AOT_SUPPORTED="no"
2603 #               ;;
2604         s390x-*-linux*)
2605                 TARGET=S390x;
2606                 arch_target=s390x;
2607                 ACCESS_UNALIGNED="yes"
2608                 JIT_SUPPORTED=yes
2609                 sgen_supported=true
2610                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2611                 ;;
2612 esac
2613
2614 HOST=$TARGET
2615
2616 if test "x$host" != "x$target"; then
2617    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2618    enable_mcs_build=no
2619    case "$target" in
2620    arm*-darwin*)
2621                 TARGET=ARM;
2622                 arch_target=arm;
2623                 ACCESS_UNALIGNED="no"
2624                 JIT_SUPPORTED=yes
2625                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__ -DHAVE_ARMV6=1"
2626                 jit_wanted=true
2627                 # Can't use tls, since it depends on the runtime detection of tls offsets
2628                 # in mono-compiler.h
2629                 with_tls=pthread
2630                 ;;
2631    powerpc64-ps3-linux-gnu)
2632                 TARGET=POWERPC64
2633                 arch_target=powerpc64
2634                 AC_DEFINE(TARGET_PS3, 1, [...])
2635                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2636                 # uses this define
2637                 AC_DEFINE(__mono_ppc64__, 1, [...])
2638                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2639                 sizeof_register=8
2640                 target_byte_order=G_BIG_ENDIAN
2641                 ;;
2642
2643    powerpc64-xbox360-linux-gnu)
2644                 TARGET=POWERPC64
2645                 arch_target=powerpc64
2646                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2647                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2648                 # uses this define
2649                 sizeof_register=8
2650                 target_byte_order=G_BIG_ENDIAN
2651                 ;;
2652    x86_64-*-nacl)
2653                 TARGET=AMD64
2654                 arch_target=amd64
2655                 AC_DEFINE(TARGET_AMD64, 1, [...])
2656                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2657                 sizeof_register=8
2658                 ;;
2659 # TODO: make proper support for NaCl target.
2660 #   arm*-*nacl)
2661 #               TARGET=ARM
2662 #               arch_target=arm
2663 #               AC_DEFINE(TARGET_ARM, 1, [...])
2664 #               ACCESS_UNALIGNED="no"
2665 #               JIT_SUPPORTED=yes
2666 #               sizeof_register=4
2667 #               CPPFLAGS="$CPPFLAGS \
2668 #                    -D__ARM_EABI__ \
2669 #                    -D__arm__ \
2670 #                    -D__portable_native_client__ \
2671 #                    -Dtimezone=_timezone \
2672 #                    -DDISABLE_SOCKETS \
2673 #                    -DDISABLE_ATTACH \
2674 #                    -DUSE_NEWLIB"
2675 #               jit_wanted=true
2676                 # Can't use tls, since it depends on the runtime detection of tls offsets
2677                 # in mono-compiler.h
2678 #               with_tls=pthread
2679 #               ;;
2680    i686-*-nacl)
2681                 TARGET=X86
2682                 arch_target=x86
2683                 AC_DEFINE(TARGET_X86, 1, [...])
2684                 sizeof_register=4
2685                 ;;
2686    arm*-linux-*)
2687                 TARGET=ARM;
2688                 arch_target=arm;
2689                 AC_DEFINE(TARGET_ARM, 1, [...])
2690                 ACCESS_UNALIGNED="no"
2691                 JIT_SUPPORTED=yes
2692                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2693                 jit_wanted=true
2694                 # Can't use tls, since it depends on the runtime detection of tls offsets
2695                 # in mono-compiler.h
2696                 with_tls=pthread
2697                 target_mach=no
2698                 case "$target" in
2699                 armv7l-unknown-linux-gnueabi*)
2700                         # TEGRA
2701                         CPPFLAGS="$CPPFLAGS"
2702                         ;;
2703                 armv5-*-linux-androideabi*)
2704                         AC_DEFINE(TARGET_ANDROID, 1, [...])
2705                         CPPFLAGS="$CPPFLAGS"
2706                         ;;
2707                 esac
2708                 ;;
2709         *)
2710                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2711         esac
2712 fi
2713
2714 # FIXME: Define the others as well
2715 case "$TARGET" in
2716 X86)
2717         AC_DEFINE(TARGET_X86, 1, [...])
2718         ;;
2719 AMD64)
2720         AC_DEFINE(TARGET_AMD64, 1, [...])
2721         ;;
2722 ARM)
2723         AC_DEFINE(TARGET_ARM, 1, [...])
2724         ;;
2725 POWERPC)
2726         AC_DEFINE(TARGET_POWERPC, 1, [...])
2727         ;;
2728 POWERPC64)
2729         AC_DEFINE(TARGET_POWERPC, 1, [...])
2730         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2731         ;;
2732 S390x)
2733         AC_DEFINE(TARGET_S390X, 1, [...])
2734         ;;
2735 MIPS)
2736         AC_DEFINE(TARGET_MIPS, 1, [...])
2737         ;;
2738 esac
2739
2740 if test "x$target_mach" = "xyes"; then
2741    if test "x$TARGET" = "xARM"; then
2742           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2743           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2744           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2745    else
2746        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2747        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2748        #error fail this for ios
2749        #endif
2750        return 0;
2751        ], [
2752                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2753           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2754           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2755        ], [
2756           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2757           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2758           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2759        ])
2760         fi
2761    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2762 fi
2763
2764 if test "x$sizeof_register" = "x4"; then
2765    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2766 elif test "x$sizeof_register" = "x8"; then
2767    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2768 else
2769    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2770 fi
2771
2772 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2773    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2774 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2775    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2776 else
2777    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2778 fi
2779
2780 if test "x$have_visibility_hidden" = "xyes"; then
2781    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2782 fi
2783
2784 if test "x$have_deprecated" = "xyes"; then
2785    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2786 fi
2787
2788 dnl 
2789 dnl Simple Generational checks (sgen)
2790 dnl
2791 if $sgen_supported; then
2792    build_sgen_default=yes
2793 else
2794    build_sgen_default=no
2795 fi
2796 SGEN_DEFINES=
2797 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2798 if test x$buildsgen = xyes; then
2799    if $sgen_supported; then
2800        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2801        gc_msg="sgen and $gc_msg"
2802    else
2803        buildsgen=no
2804        AC_MSG_WARN("Sgen is not supported on this platform")
2805    fi
2806 fi
2807 AC_SUBST(SGEN_DEFINES)
2808 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2809
2810 USEJIT=false
2811 if test x$JIT_SUPPORTED = xyes; then
2812    if $jit_wanted; then
2813       USEJIT=true
2814       jit_status="Building and using the JIT"
2815    else
2816       if $interp_wanted; then
2817          jit_status="Building the JIT, defaulting to the interpreter"
2818       else
2819          AC_ERROR(No JIT or interpreter support available or selected.)
2820       fi
2821    fi
2822 else
2823    if test x$interp_wanted = xtrue; then
2824       jit_status="interpreter"
2825    else
2826       AC_ERROR(No JIT or interpreter support available or selected.)
2827    fi
2828 fi
2829
2830 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2831
2832 libsuffix=".so"
2833
2834 case "$host" in
2835      *-*-darwin*)
2836         libsuffix=".dylib"
2837         LIBC="libc.dylib"
2838         INTL="libintl.dylib"
2839         SQLITE="libsqlite.0.dylib"
2840         SQLITE3="libsqlite3.0.dylib"
2841         X11="libX11.dylib"
2842         ;;
2843      *-*-*netbsd*)
2844         LIBC="libc.so.12"
2845         INTL="libintl.so.0"
2846         ;;
2847     *-*-*freebsd*)
2848         LIBC="libc.so"
2849         INTL="libintl.so"
2850         SQLITE="libsqlite.so"
2851         SQLITE3="libsqlite3.so"
2852         ;;
2853     *-*-*openbsd*)
2854         LIBC="libc.so"
2855         INTL="libintl.so"
2856         SQLITE="libsqlite.so"
2857         SQLITE3="libsqlite3.so"
2858         ;;
2859     *-*-*linux*)
2860         AC_PATH_X
2861         AC_MSG_CHECKING(for the soname of libX11.so)
2862         for i in $x_libraries /usr/lib /usr/lib64; do
2863                 for r in 4 5 6; do
2864                         if test -f $i/libX11.so.$r; then
2865                                 X11=libX11.so.$r
2866                                 AC_MSG_RESULT($X11)
2867                         fi
2868                 done
2869         done
2870         
2871         if test "x$X11" = "xlibX11.so"; then
2872                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2873                 X11=libX11.so.6
2874         fi
2875         ;;
2876 esac
2877
2878
2879 AC_SUBST(libsuffix)
2880
2881 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2882         if test "x$with_tls" = "x__thread"; then
2883                 #
2884                 # On some linux distributions, TLS works in executables, but linking 
2885                 # against a shared library containing TLS fails with:
2886                 # undefined reference to `__tls_get_addr'
2887                 #
2888                 rm -f conftest.c conftest.so conftest
2889                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
2890                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2891                 $CC -o conftest conftest.so > /dev/null 2>&1
2892                 if test ! -f conftest; then
2893                    AC_MSG_WARN([Disabling usage of __thread.]);
2894                    with_tls=pthread
2895                 fi
2896                 rm -f conftest.c conftest.so conftest
2897         fi
2898 fi
2899
2900 mono_debugger_supported=no
2901 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
2902 if test "x$try_mono_debugger" = "xyes"; then
2903         if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xS390x"; then
2904                 if test x$use_included_gc = xyes; then
2905                         case "$host" in
2906                         *-*-*linux*)
2907                                 mono_debugger_supported=yes
2908                                 ;;
2909                         *86-apple-darwin*)
2910                                 mono_debugger_supported=yes
2911                                 ;;              
2912                         esac
2913                 fi
2914         fi
2915 fi
2916
2917 # disable the debugger entirely when building with moonlight
2918 if test "x$with_moonlight" != "xno"; then
2919         mono_debugger_supported=no
2920 fi
2921
2922 # mdb support for sgen is broken, disable it until further notice.
2923 mono_debugger_supported=no
2924
2925 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2926 if test "x$mono_debugger_supported" = "xyes"; then
2927         BOEHM_DEFINES="$BOEHM_DEFINES -DMONO_DEBUGGER_SUPPORTED"
2928         NESTED_LIBGC_FLAGS="-DMONO_DEBUGGER_SUPPORTED"
2929 fi
2930 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2931 AC_MSG_RESULT($mono_debugger_supported)
2932
2933 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
2934 if test "x$icall_symbol_map" = "xyes"; then
2935    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
2936 fi
2937
2938 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
2939 if test "x$icall_export" = "xyes"; then
2940    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
2941 fi
2942
2943 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
2944 if test "x$icall_tables" = "xno"; then
2945    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
2946 fi
2947
2948 if test "x$mono_cv_clang" = "xyes"; then
2949    # FIXME: This causes many compilation errors
2950    with_tls=pthread
2951 fi
2952
2953 if test "x$with_tls" = "x__thread"; then
2954         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2955         # Pass the information to libgc
2956         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2957         AC_MSG_CHECKING(if the tls_model attribute is supported)
2958         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2959                 ], [
2960                         AC_MSG_RESULT(yes)
2961                         # CLANG doesn't support this yet, and it prints warnings about it
2962                         if test "x$mono_cv_clang" = "xno"; then
2963                                 AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
2964                         fi
2965                 ], [
2966                         AC_MSG_RESULT(no)
2967         ])
2968 fi
2969
2970 if test ${TARGET} = ARM; then
2971         dnl ******************************************
2972         dnl *** Check to see what FPU is available ***
2973         dnl ******************************************
2974         AC_MSG_CHECKING(which FPU to use)
2975
2976         #
2977         # This is a bit tricky:
2978         #
2979         # if (__ARM_PCS_VFP) {
2980         #       /* mfloat-abi=hard == VFP with hard ABI */
2981         # } elif (!__SOFTFP__) {
2982         #       /* mfloat-abi=softfp == VFP with soft ABI */
2983         # } else {
2984         #       /* mfloat-abi=soft == no VFP */
2985         # }
2986         #
2987         # The exception is iOS (w/ GCC) where none of the above
2988         # are defined (but iOS always uses the 'softfp' ABI).
2989         #
2990         # No support for FPA.
2991         #
2992
2993         fpu=NONE
2994
2995         # iOS GCC always uses the 'softfp' ABI.
2996         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
2997                 fpu=VFP
2998         fi
2999
3000         # Are we using the 'hard' ABI?
3001         if test x$fpu = xNONE; then
3002                 AC_TRY_COMPILE([], [
3003                         #ifndef __ARM_PCS_VFP
3004                         #error "Float ABI is not 'hard'"
3005                         #endif
3006                         return 0;
3007                 ], [
3008                         fpu=VFP_HARD
3009                 ], [
3010                         fpu=NONE
3011                 ])
3012         fi
3013
3014         # No 'hard' ABI. 'soft' or 'softfp'?
3015         if test x$fpu = xNONE; then
3016                 AC_TRY_COMPILE([], [
3017                         #ifdef __SOFTFP__
3018                         #error "Float ABI is not 'softfp'"
3019                         #endif
3020                         return 0;
3021                 ], [
3022                         fpu=VFP
3023                 ], [
3024                         fpu=NONE
3025                 ])
3026         fi
3027
3028         AC_MSG_RESULT($fpu)
3029         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3030         unset fpu
3031
3032         if test x$cross_compiling = xno; then
3033                 AC_MSG_CHECKING(for ARMV6)
3034                 AC_TRY_RUN([
3035                         int main () { __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : "memory"); return 0; }
3036                                 ], armv6=yes, armv6=no)
3037
3038                 AC_MSG_RESULT($armv6)
3039                 if test ${armv6} = yes; then
3040                    AC_DEFINE(HAVE_ARMV6, 1, "Host supports ARMV6 instructions")
3041                    # libgc's gc_locks.h depends on this
3042                    NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
3043                 fi
3044         fi
3045 fi
3046
3047 if test ${TARGET} = ARM; then
3048         if test "x${with_jumptables}" = "xyes"; then
3049                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3050         fi
3051 fi
3052
3053 if test ${TARGET} = unknown; then
3054         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3055         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3056 fi
3057
3058 if test ${ACCESS_UNALIGNED} = no; then
3059         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3060 fi
3061
3062 case "x$gc" in
3063         xincluded)
3064                 # Pass CPPFLAGS to libgc configure
3065                 # We should use a separate variable for this to avoid passing useless and
3066                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3067                 # This should be executed late so we pick up the final version of CPPFLAGS
3068                 # The problem with this approach, is that during a reconfigure, the main
3069                 # configure scripts gets invoked with these arguments, so we use separate
3070                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3071                 TMP_CPPFLAGS="$CPPFLAGS $NESTED_LIBGC_FLAGS"
3072                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3073                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3074                 fi
3075                 # Don't pass -finstrument-for-thread-suspension in, 
3076                 # if these are instrumented it will be very bad news 
3077                 # (infinite recursion, undefined parking behavior, etc)
3078                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3079                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3080                 AC_CONFIG_SUBDIRS(libgc)
3081                 ;;
3082 esac
3083
3084 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
3085 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
3086 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
3087 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3088 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3089 AC_ARG_WITH(mobile,    [  --with-mobile=yes,no            If you want to build the Mobile assemblies (defaults to no)],        [], [with_mobile=no])
3090
3091 OPROFILE=no
3092 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3093         if test x$with_oprofile != xno; then
3094             oprofile_include=$with_oprofile/include
3095             if test ! -f $oprofile_include/opagent.h; then
3096                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3097                 fi
3098             OPROFILE=yes
3099                 OPROFILE_CFLAGS="-I$oprofile_include"
3100             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3101             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3102         fi
3103 ])
3104
3105 MALLOC_MEMPOOLS=no
3106 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3107         if test x$with_malloc_mempools = xyes; then
3108                 MALLOC_MEMPOOLS=yes
3109                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3110         fi
3111 ])
3112
3113
3114 DISABLE_MCS_DOCS=no
3115 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3116         if test x$with_mcs_docs != xyes; then
3117                 DISABLE_MCS_DOCS=yes
3118         fi
3119 ])
3120 if test x$with_profile4 != xyes; then
3121         DISABLE_MCS_DOCS=yes
3122 fi
3123
3124 MOONLIGHT_DEFINES=
3125 AC_ARG_WITH(moonlight, [  --with-moonlight=yes|no|only         If you want to build Mono for Moonlight (defaults to no)],[
3126         if test x$with_moonlight != xno; then
3127         MOONLIGHT_DEFINES="-DMOONLIGHT -DDISABLE_ASSEMBLY_REMAPPING "
3128         fi
3129 ], [with_moonlight=no])
3130 AC_SUBST(MOONLIGHT_DEFINES)
3131
3132 AC_ARG_WITH(moon_gc, [  --with-moon-gc=boehm,sgen               Select the gc to use with Moonlight (defaults to boehm)],[
3133         if test "x$with_moon_gc" != "xsgen"; then
3134                 with_moon_gc=boehm
3135         fi
3136 ], [with_moon_gc=boehm])
3137
3138 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3139         if test x$with_lazy_gc_thread_creation != xno ; then
3140                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3141         fi
3142 ], [with_lazy_gc_thread_creation=no])
3143
3144 AC_CHECK_HEADER([malloc.h], 
3145                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3146                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3147
3148 if test x"$GCC" = xyes; then
3149         # Implicit function declarations are not 64 bit safe
3150         # Do this late, since this causes lots of configure tests to fail
3151         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3152         # jay has a lot of implicit declarations
3153         JAY_CFLAGS="-Wno-implicit-function-declaration"
3154 fi
3155
3156 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3157 # instead of libmono-static.a
3158 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3159    LIBMONO_LA=libmini-static.la
3160 else
3161    LIBMONO_LA=libmono-$API_VER.la
3162 fi
3163 AC_SUBST(LIBMONO_LA)
3164
3165 dnl
3166 dnl Consistency settings
3167 dnl
3168 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3169    DISABLE_MCS_DOCS=yes
3170    with_profile2=no
3171    with_profile4=no
3172    with_profile4_5=no
3173    with_monodroid=no
3174    with_monotouch=no
3175 fi
3176
3177 if test x$DISABLE_MCS_DOCS = xyes; then
3178    docs_dir=""
3179 else
3180    docs_dir=docs
3181 fi
3182 AC_SUBST(docs_dir)
3183
3184 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3185 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3186
3187 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3188 AC_SUBST(OPROFILE_CFLAGS)
3189 AC_SUBST(OPROFILE_LIBS)
3190
3191 libmono_ldflags="$libmono_ldflags $LIBS"
3192
3193 AM_CONDITIONAL(MOONLIGHT, [test "x$with_moonlight" != "xno"])
3194
3195 AM_CONDITIONAL(ONLY_MOONLIGHT, [test "x$with_moonlight" = "xonly"])
3196 AM_CONDITIONAL(MOONLIGHT_BOEHM, [test "x$with_moon_gc" = "xboehm"])
3197 AM_CONDITIONAL(MOONLIGHT_SGEN, [test "x$with_moon_gc" = "xsgen"])
3198
3199 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3200 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3201 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3202 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3203 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3204 AM_CONDITIONAL(INSTALL_MOBILE, [test "x$with_mobile" = xyes])
3205 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3206
3207 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3208 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3209 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3210 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3211 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3212 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3213 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3214 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
3215 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3216 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3217 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3218 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3219 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
3220 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3221 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3222 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3223 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3224
3225 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3226 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3227 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3228
3229 AC_SUBST(LIBC)
3230 AC_SUBST(INTL)
3231 AC_SUBST(SQLITE)
3232 AC_SUBST(SQLITE3)
3233 AC_SUBST(X11)
3234 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3235 AC_SUBST(arch_target)
3236 AC_SUBST(CFLAGS)
3237 AC_SUBST(CPPFLAGS)
3238 AC_SUBST(LDFLAGS)
3239
3240 mono_build_root=`pwd`
3241 AC_SUBST(mono_build_root)
3242
3243 if test x$USEJIT = xtrue; then
3244   mono_runtime=mono/mini/mono
3245 else
3246   mono_runtime=mono/interpreter/mint
3247 fi
3248 AC_SUBST(mono_runtime)
3249
3250 mono_cfg_root=$mono_build_root/runtime
3251 if test x$host_win32 = xyes; then
3252   if test "x$cross_compiling" = "xno"; then
3253     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3254   else
3255     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3256   fi
3257 else
3258   mono_cfg_dir=$mono_cfg_root/etc
3259 fi
3260 AC_SUBST(mono_cfg_dir)
3261
3262 AC_CONFIG_FILES([po/mcs/Makefile.in])
3263
3264 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3265 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3266
3267 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3268 [   depth=../../../..
3269     case $srcdir in
3270     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3271     .) reldir=$depth ;;
3272     *) reldir=$depth/$srcdir ;;
3273     esac
3274     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3275     cd runtime/etc/mono/1.0
3276     rm -f machine.config
3277     $LN_S $reldir/data/net_1_1/machine.config machine.config
3278     cd $depth
3279 ],[LN_S='$LN_S'])
3280
3281 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3282 [   depth=../../../..
3283     case $srcdir in
3284     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3285     .) reldir=$depth ;;
3286     *) reldir=$depth/$srcdir ;;
3287     esac
3288     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3289     cd runtime/etc/mono/2.0
3290     rm -f machine.config
3291     $LN_S $reldir/data/net_2_0/machine.config machine.config
3292     cd $depth
3293 ],[LN_S='$LN_S'])
3294
3295 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3296 [   depth=../../../..
3297     case $srcdir in
3298     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3299     .) reldir=$depth ;;
3300     *) reldir=$depth/$srcdir ;;
3301     esac
3302     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3303     cd runtime/etc/mono/2.0
3304     rm -f web.config
3305     $LN_S $reldir/data/net_2_0/web.config web.config
3306     cd $depth
3307 ],[LN_S='$LN_S'])
3308
3309 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3310 [   depth=../../..
3311     case $srcdir in
3312     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3313     .) reldir=$depth ;;
3314     *) reldir=$depth/$srcdir ;;
3315     esac
3316     $ac_aux_dir/install-sh -d runtime/etc/mono/
3317     cd runtime/etc/mono/
3318     rm -f browscap.ini
3319     $LN_S $reldir/data/browscap.ini browscap.ini
3320     cd $depth
3321 ],[LN_S='$LN_S'])
3322
3323 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3324 [   depth=../../../../..
3325     case $srcdir in
3326     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3327     .) reldir=$depth ;;
3328     *) reldir=$depth/$srcdir ;;
3329     esac
3330     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3331     cd runtime/etc/mono/2.0/Browsers
3332     rm -f Compat.browser
3333     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
3334     cd $depth
3335 ],[LN_S='$LN_S'])
3336
3337 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3338 [   depth=../../../..
3339     case $srcdir in
3340     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3341     .) reldir=$depth ;;
3342     *) reldir=$depth/$srcdir ;;
3343     esac
3344     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3345     cd runtime/etc/mono/4.0
3346     rm -f machine.config
3347     $LN_S $reldir/data/net_4_0/machine.config machine.config
3348     cd $depth
3349 ],[LN_S='$LN_S'])
3350
3351 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3352 [   depth=../../../..
3353     case $srcdir in
3354     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3355     .) reldir=$depth ;;
3356     *) reldir=$depth/$srcdir ;;
3357     esac
3358     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3359     cd runtime/etc/mono/4.0
3360     rm -f web.config
3361     $LN_S $reldir/data/net_4_0/web.config web.config
3362     cd $depth
3363 ],[LN_S='$LN_S'])
3364
3365 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3366 [   depth=../../../..
3367     case $srcdir in
3368     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3369     .) reldir=$depth ;;
3370     *) reldir=$depth/$srcdir ;;
3371     esac
3372     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3373     cd runtime/etc/mono/4.5
3374     rm -f machine.config
3375     $LN_S $reldir/data/net_4_5/machine.config machine.config
3376     cd $depth
3377 ],[LN_S='$LN_S'])
3378
3379 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3380 [   depth=../../../..
3381     case $srcdir in
3382     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3383     .) reldir=$depth ;;
3384     *) reldir=$depth/$srcdir ;;
3385     esac
3386     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3387     cd runtime/etc/mono/4.5
3388     rm -f web.config
3389     $LN_S $reldir/data/net_4_5/web.config web.config
3390     cd $depth
3391 ],[LN_S='$LN_S'])
3392
3393 AC_CONFIG_COMMANDS([quiet-libtool], [sed -e 's/echo "copying selected/# "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])
3394
3395 AC_OUTPUT([
3396 Makefile
3397 mono-core.spec
3398 mono-uninstalled.pc
3399 scripts/mono-find-provides
3400 scripts/mono-find-requires
3401 mono/Makefile
3402 mono/utils/Makefile
3403 mono/metadata/Makefile
3404 mono/dis/Makefile
3405 mono/cil/Makefile
3406 mono/arch/Makefile
3407 mono/arch/x86/Makefile
3408 mono/arch/amd64/Makefile
3409 mono/arch/ppc/Makefile
3410 mono/arch/sparc/Makefile
3411 mono/arch/s390x/Makefile
3412 mono/arch/arm/Makefile
3413 mono/arch/ia64/Makefile
3414 mono/arch/mips/Makefile
3415 mono/interpreter/Makefile
3416 mono/tests/Makefile
3417 mono/tests/tests-config
3418 mono/tests/assemblyresolve/Makefile
3419 mono/tests/cas/Makefile
3420 mono/tests/cas/assembly/Makefile
3421 mono/tests/cas/demand/Makefile
3422 mono/tests/cas/inheritance/Makefile
3423 mono/tests/cas/linkdemand/Makefile
3424 mono/tests/cas/threads/Makefile
3425 mono/tests/gc-descriptors/Makefile
3426 mono/benchmark/Makefile
3427 mono/monograph/Makefile
3428 mono/io-layer/Makefile
3429 mono/mini/Makefile
3430 mono/profiler/Makefile
3431 m4/Makefile
3432 ikvm-native/Makefile
3433 scripts/Makefile
3434 man/Makefile
3435 docs/Makefile
3436 data/Makefile
3437 data/net_2_0/Makefile
3438 data/net_4_0/Makefile
3439 data/net_4_5/Makefile
3440 data/net_2_0/Browsers/Makefile
3441 data/mint.pc
3442 data/mono-2.pc
3443 data/monosgen-2.pc
3444 data/mono.pc
3445 data/mono-cairo.pc
3446 data/mono-nunit.pc
3447 data/mono-options.pc
3448 data/mono-lineeditor.pc
3449 data/monodoc.pc
3450 data/mono.web.pc
3451 data/dotnet.pc
3452 data/dotnet35.pc
3453 data/wcf.pc
3454 data/cecil.pc
3455 data/system.web.extensions_1.0.pc
3456 data/system.web.extensions.design_1.0.pc
3457 data/system.web.mvc.pc
3458 data/system.web.mvc2.pc
3459 data/system.web.mvc3.pc
3460 data/aspnetwebstack.pc
3461 data/reactive.pc
3462 samples/Makefile
3463 support/Makefile
3464 data/config
3465 tools/Makefile
3466 tools/locale-builder/Makefile
3467 tools/sgen/Makefile
3468 runtime/Makefile
3469 msvc/Makefile
3470 po/Makefile
3471 ])
3472
3473 # Update all submodules recursively to ensure everything is checked out
3474 $srcdir/scripts/update_submodules
3475
3476 if test x$host_win32 = xyes; then
3477    # Get rid of 'cyg' prefixes in library names
3478    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3479    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3480    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3481    # executable doesn't work...
3482    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3483 fi
3484
3485 (
3486   case $prefix in
3487   NONE) prefix=$ac_default_prefix ;;
3488   esac
3489   case $exec_prefix in
3490   NONE) exec_prefix='${prefix}' ;;
3491   esac
3492
3493   #
3494   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3495   # any existing config.make.  This allows people to share the same source tree
3496   # with different build directories, one native and one cross
3497   #
3498   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3499
3500     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3501
3502     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3503     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3504     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3505     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3506     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3507     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3508     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3509     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3510
3511     case $INSTALL in
3512     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3513     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3514     esac
3515
3516     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3517
3518     export VERSION
3519     [myver=$($AWK 'BEGIN {
3520       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3521       if(length(vsplit [1]) > 4) {
3522         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3523       }
3524       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3525     }')]
3526
3527     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3528
3529     if test x$platform_darwin = xyes; then
3530       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3531     fi
3532
3533         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3534            enable_system_aot=yes
3535         fi
3536
3537         if test "x$enable_loadedllvm" = "xyes"; then
3538            # This seems to fail on the x86 buildbots
3539            enable_system_aot=no
3540         fi
3541
3542     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3543       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3544     fi
3545
3546     if test x$DISABLE_MCS_DOCS = xyes; then
3547       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3548     fi
3549
3550     if test x$with_moonlight != xno; then
3551       echo "MOONLIGHT = 1" >> $srcdir/$mcsdir/build/config.make
3552     fi
3553
3554     if test x$has_extension_module != xno; then
3555         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3556     fi
3557
3558         default_profile=net_2_0
3559     if test -z "$INSTALL_4_0_TRUE"; then :
3560                 default_profile=net_4_0
3561     fi
3562     if test -z "$INSTALL_MONODROID_TRUE"; then :
3563                 default_profile=monodroid
3564     fi
3565     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3566                 default_profile=monotouch
3567     fi
3568     if test -z "$INSTALL_4_5_TRUE"; then :
3569                 default_profile=net_4_5
3570     fi
3571     
3572     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3573     
3574     if test "x$test_bcl_opt" = "xyes"; then    
3575       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3576     fi
3577
3578   fi
3579
3580   # if we have an olive folder, override the default settings
3581   if test -d $olivedir; then
3582
3583     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3584
3585       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3586
3587       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3588       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3589       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3590       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3591       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3592       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3593     fi
3594   fi
3595
3596 )
3597
3598 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3599
3600 echo "
3601         mcs source:    $mcsdir
3602
3603    Engine:
3604         GC:            $gc_msg 
3605         TLS:           $with_tls
3606         SIGALTSTACK:   $with_sigaltstack
3607         Engine:        $jit_status
3608         oprofile:      $OPROFILE
3609         BigArrays:     $enable_big_arrays
3610         DTrace:        $enable_dtrace
3611         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3612
3613    Libraries:
3614         .NET 2.0/3.5:  $with_profile2
3615         .NET 4.0:      $with_profile4
3616         .NET 4.5:      $with_profile4_5
3617         MonoDroid:     $with_monodroid
3618         MonoTouch:     $with_monotouch
3619         JNI support:   $jdk_headers_found
3620         libgdiplus:    $libgdiplus_msg
3621         zlib:          $zlib_msg
3622         $disabled
3623 "
3624 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3625    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3626 fi