[build]Enable passing arguments to the extension module.
[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, [3.2.5],
5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
6
7 AC_CONFIG_SRCDIR([README.md])
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 subdir-objects])
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 case $host_os in
28 *cygwin* )
29                  echo "Run configure using ./configure --host=i686-pc-mingw32"
30                  exit 1
31 esac
32
33 # In case of cygwin, override LN_S, irrespective of what it determines.
34 # The build uses cygwin, but the actual runtime doesn't.
35 case $host_os in
36 *cygwin* ) LN_S='cp -p';;
37 esac
38
39 dnl
40 dnl libgc checks
41 dnl
42
43 gc_headers=no
44 gc=included
45 gc_msg="included Boehm"
46 use_included_gc=no
47 libgc_configure_args=
48
49 if test -d $srcdir/libgc ; then
50   gc_default=included
51 else
52   gc_default=boehm
53 fi
54
55 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
56 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
57 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
58 CFLAGS_FOR_LIBGC=$CFLAGS
59 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
60 CFLAGS_FOR_EGLIB=$CFLAGS
61
62 #
63 # These are the flags that need to be stored in the mono.pc file for 
64 # compiling code that will embed Mono
65 #
66 libmono_cflags=""
67 libmono_ldflags=""
68 AC_SUBST(libmono_cflags)
69 AC_SUBST(libmono_ldflags)
70
71 # Variable to have relocatable .pc files (lib, or lib64)
72 reloc_libdir=`basename ${libdir}`
73 AC_SUBST(reloc_libdir)
74
75 dnl if linker handles the version script
76 no_version_script=no
77
78 # Set to yes if Unix sockets cannot be created in an anonymous namespace
79 need_link_unlink=no
80
81 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
82 extra_runtime_ldflags=""
83
84 # Thread configuration inspired by sleepycat's db
85 AC_MSG_CHECKING([host platform characteristics])
86 libgc_threads=no
87 has_dtrace=no
88 parallel_mark=yes
89 ikvm_native=yes
90
91 case "$host" in
92         powerpc*-*-linux*)
93                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
94                 disable_munmap=yes
95         ;;
96 esac
97
98 host_win32=no
99 target_win32=no
100 platform_android=no
101 platform_darwin=no
102 case "$host" in
103         *-mingw*|*-*-cygwin*)
104                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
105                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
106                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
107                 host_win32=yes
108                 mono_cv_clang=no
109                 if test "x$cross_compiling" = "xno"; then
110                         target_win32=yes
111                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
112                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
113                         fi
114                 else
115                         target_win32=yes
116                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
117                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
118                 fi
119                 HOST_CC="gcc"
120                 # Windows 2000 is required that includes Internet Explorer 5.01
121                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
122                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
123                 libmono_cflags="-mms-bitfields -mwindows"
124                 libmono_ldflags="-mms-bitfields -mwindows"
125                 libdl=
126                 libgc_threads=win32
127                 gc_default=included
128                 with_sigaltstack=no
129                 LN_S=cp
130                 # This forces libgc to use the DllMain based thread registration code on win32
131                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
132                 ;;
133         *-*-*netbsd*)
134                 host_win32=no
135                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
136                 libmono_cflags="-D_REENTRANT"
137                 LDFLAGS="$LDFLAGS -pthread"
138                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
139                 libmono_ldflags="-pthread"
140                 need_link_unlink=yes
141                 libdl="-ldl"
142                 libgc_threads=pthreads
143                 with_sigaltstack=no
144                 use_sigposix=yes
145                 ;;
146         *-*-*freebsd*)
147                 host_win32=no
148                 if test "x$PTHREAD_CFLAGS" = "x"; then
149                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
150                         libmono_cflags=
151                 else
152                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
153                         libmono_cflags="$PTHREAD_CFLAGS"
154                 fi
155                 if test "x$PTHREAD_LIBS" = "x"; then
156                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
157                         libmono_ldflags="-pthread"
158                 else
159                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
160                         libmono_ldflags="$PTHREAD_LIBS"
161                 fi
162                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
163                 need_link_unlink=yes
164                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
165                 libdl=
166                 libgc_threads=pthreads
167                 use_sigposix=yes
168                 has_dtrace=yes
169                 ;;
170         *-*-*openbsd*)
171                 host_win32=no
172                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
173                 if test "x$disable_munmap" != "xyes"; then
174                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
175                 fi
176                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
177                 LDFLAGS="$LDFLAGS -pthread"
178                 need_link_unlink=yes
179                 AC_DEFINE(PTHREAD_POINTER_ID)
180                 libdl=
181                 gc_default=boehm
182                 libgc_threads=pthreads
183                 with_sigaltstack=no
184                 use_sigposix=yes
185                 ;;
186         *-*-linux-android*)
187                 host_win32=no
188                 platform_android=yes
189                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
190                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
191
192                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
193                 if test "x$disable_munmap" != "xyes"; then
194                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
195                 fi
196                 libmono_cflags="-D_REENTRANT"
197                 libdl="-ldl"
198                 libgc_threads=pthreads
199                 use_sigposix=yes
200
201                 with_tls=pthread
202                 with_sigaltstack=no
203                 with_static_mono=no
204
205                 # Android doesn't support boehm, as it's missing <link.h>
206                 support_boehm=no
207                 with_gc=sgen
208
209                 # isinf(3) requires -lm; see isinf check below
210                 LDFLAGS="$LDFLAGS -lm"
211
212                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
213                 # PAGE_SIZE; breaks mono/io-layer/collection.c
214                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
215                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
216                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
217
218                 # to bypass the underscore linker check, can't work when cross-compiling
219                 mono_cv_uscore=yes
220                 mono_cv_clang=no
221                 ;;
222         *-*-linux*)
223                 host_win32=no
224                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
225                 if test "x$disable_munmap" != "xyes"; then
226                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
227                 fi
228                 libmono_cflags="-D_REENTRANT"
229                 libdl="-ldl"
230                 libgc_threads=pthreads
231                 use_sigposix=yes
232                 if test "x$cross_compiling" != "xno"; then
233                         # to bypass the underscore linker check, not
234                         # available during cross-compilation
235                         mono_cv_uscore=no
236                 fi
237                 ;;
238         *-*-nacl*)
239                 host_win32=no
240                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
241                 if test "x$disable_munmap" != "xyes"; then
242                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
243                 fi
244                 libmono_cflags="-D_REENTRANT"
245                 libdl=
246                 libgc_threads=pthreads
247                 gc_default=boehm
248                 use_sigposix=yes
249                 ikvm_native=no
250                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
251                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
252                 ;;
253         *-*-hpux*)
254                 host_win32=no
255                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
256                 # +ESdbgasm only valid on bundled cc on RISC
257                 # silently ignored for ia64
258                 if test $GCC != "yes"; then
259                         CFLAGS="$CFLAGS +ESdbgasm"
260                         # Arrange for run-time dereferencing of null
261                         # pointers to produce a SIGSEGV signal.
262                         LDFLAGS="$LDFLAGS -z"
263                 fi
264                 CFLAGS="$CFLAGS +ESdbgasm"
265                 LDFLAGS="$LDFLAGS -z"
266                 libmono_cflags="-D_REENTRANT"
267                 libmono_ldflags="-lpthread"
268                 libgc_threads=pthreads
269                 need_link_unlink=yes
270                 use_sigposix=yes
271                 ;;
272         *-*-solaris*)
273                 host_win32=no
274                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
275                 need_link_unlink=yes
276                 libmono_cflags="-D_REENTRANT"
277                 libgc_threads=pthreads
278                 # This doesn't seem to work on solaris/x86, but the configure test runs
279                 with_tls=pthread
280                 has_dtrace=yes
281                 use_sigposix=yes
282                 enable_solaris_tar_check=yes
283                 ;;
284         *-*-darwin*)
285                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
286                 host_win32=no
287                 platform_darwin=yes
288                 target_mach=yes
289                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
290                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
291                 libmono_cflags="-D_THREAD_SAFE"
292                 need_link_unlink=yes
293                 AC_DEFINE(PTHREAD_POINTER_ID)
294                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
295                 no_version_script=yes
296                 libdl=
297                 libgc_threads=pthreads
298                 has_dtrace=yes
299                 if test "x$cross_compiling" = "xyes"; then
300                         has_broken_apple_cpp=yes
301                 fi
302                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
303                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
304                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
305                 case "$host" in
306                         dnl Snow Leopard and newer config.guess reports as this
307                         i*86-*-darwin*)
308                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
309                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
310                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
311                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
312                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
313                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
314                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
315                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
316                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
317                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
318                                 extra_runtime_ldflags="-Xlinker -stack_size -Xlinker 0x800000"
319                                 ;;
320                         x*64-*-darwin*)
321                                 extra_runtime_ldflags="-Xlinker -stack_size -Xlinker 0x800000"
322                                 ;;
323                         arm*-darwin*)
324                                 has_dtrace=no
325                                 ;;                      
326                 esac
327                 ;;
328         *-*-haiku*)
329                 host_win32=no
330                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
331                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
332                 libdl=
333                 LIBS="$LIBS -lnetwork"
334                 need_link_unlink=yes
335                 AC_DEFINE(PTHREAD_POINTER_ID)
336                 libgc_threads=pthreads
337                 use_sigposix=yes
338                 ;;
339         *)
340                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
341                 host_win32=no
342                 libdl="-ldl"
343                 ;;
344 esac
345 AC_MSG_RESULT(ok)
346
347 if test x$need_link_unlink = xyes; then
348    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
349 fi
350
351 AC_SUBST(extra_runtime_ldflags)
352 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
353 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
354 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
355 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
356 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
357 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
358
359 AC_CHECK_TOOL(CC, gcc, gcc)
360 AC_PROG_CC
361 AC_CHECK_TOOL(CXX, g++, g++)
362 AC_PROG_CXX
363 AM_PROG_AS
364 AC_PROG_INSTALL
365 AC_PROG_AWK
366 AM_PROG_CC_C_O
367 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
368 : ${CCAS='$(CC)'}
369 # Set ASFLAGS if not already set.
370 : ${CCASFLAGS='$(CFLAGS)'}
371 AC_SUBST(CCAS)
372 AC_SUBST(CCASFLAGS)
373
374 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
375 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
376 if test "x$CXX" = "xg++"; then
377         if test "x$GXX" != "xyes"; then
378                 # automake/libtool is so broken, it requires g++ even if the c++ sources
379                 # are inside automake conditionals
380                 AC_MSG_ERROR([You need to install g++])
381         fi
382 fi
383
384 dnl may require a specific autoconf version
385 dnl AC_PROG_CC_FOR_BUILD
386 dnl CC_FOR_BUILD not automatically detected
387 CC_FOR_BUILD=$CC
388 CFLAGS_FOR_BUILD=$CFLAGS
389 BUILD_EXEEXT=
390 if test "x$cross_compiling" = "xyes"; then
391         CC_FOR_BUILD=cc
392         CFLAGS_FOR_BUILD=
393         BUILD_EXEEXT=""
394 fi
395 AC_SUBST(CC_FOR_BUILD)
396 AC_SUBST(CFLAGS_FOR_BUILD)
397 AC_SUBST(HOST_CC)
398 AC_SUBST(BUILD_EXEEXT)
399
400 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
401 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
402
403 # Set STDC_HEADERS
404 AC_HEADER_STDC
405 AC_LIBTOOL_WIN32_DLL
406 # This causes monodis to not link correctly
407 #AC_DISABLE_FAST_INSTALL
408 AM_PROG_LIBTOOL
409 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
410 DOLT
411
412 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
413 AC_SUBST(export_ldflags)
414
415 # Test whenever ld supports -version-script
416 AC_PROG_LD
417 AC_PROG_LD_GNU
418 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
419    no_version_script=yes
420 fi
421
422 AM_ICONV()
423
424 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
425
426 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)
427 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)
428 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
429                   [], [], [#include <stddef.h>
430                   #include <sys/socket.h>
431                   #include <linux/socket.h>])
432
433 AC_CHECK_HEADERS(sys/user.h, [], [],
434 [
435 #ifdef HAVE_SYS_PARAM_H
436 # include <sys/param.h>
437 #endif
438 ])
439
440 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
441 if test x$have_zlib = xyes; then
442    AC_TRY_COMPILE([#include <zlib.h>], [
443    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
444    return 0;
445    #else
446    #error No good zlib found
447    #endif
448    ],[
449         AC_MSG_RESULT(Using system zlib)
450         zlib_msg="system zlib"
451         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
452    ],[
453         AC_MSG_RESULT(Using embedded zlib)
454         have_zlib=no
455         zlib_msg="bundled zlib"
456    ])
457 fi
458
459 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
460 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
461
462 # for mono/metadata/debug-symfile.c
463 AC_CHECK_HEADERS(elf.h)
464
465 # for support
466 AC_CHECK_HEADERS(poll.h)
467 AC_CHECK_HEADERS(sys/poll.h)
468 AC_CHECK_HEADERS(sys/wait.h)
469 AC_CHECK_HEADERS(grp.h)
470 AC_CHECK_HEADERS(syslog.h)
471
472 # for mono/dis
473 AC_CHECK_HEADERS(wchar.h)
474 AC_CHECK_HEADERS(ieeefp.h)
475 AC_MSG_CHECKING(for isinf)
476 AC_TRY_LINK([#include <math.h>], [
477         int f = isinf (1);
478 ], [
479         AC_MSG_RESULT(yes)
480         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
481 ], [
482         # We'll have to use signals
483         AC_MSG_RESULT(no)
484 ])
485 # mingw
486 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
487         AC_TRY_LINK([#include <math.h>], 
488         [ _finite(0.0); ], 
489         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
490         AC_MSG_RESULT(no)))
491
492 # for Linux statfs support
493 AC_CHECK_HEADERS(linux/magic.h)
494
495 # not 64 bit clean in cross-compile
496 AC_CHECK_SIZEOF(void *, 4)
497
498 AC_CACHE_CHECK([for clang],
499         mono_cv_clang,[
500         AC_TRY_COMPILE([], [
501                 #ifdef __clang__
502                 #else
503                 #error "FAILED"
504                 #endif
505                 return 0;
506         ],
507         [mono_cv_clang=yes],
508         [mono_cv_clang=no],
509         [])
510 ])
511
512 WARN=''
513 if test x"$GCC" = xyes; then
514         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
515                 # The runtime code does not respect ANSI C strict aliasing rules
516                 CFLAGS="$CFLAGS -fno-strict-aliasing"
517
518                 ORIG_CFLAGS=$CFLAGS
519                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
520                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
521                 AC_TRY_COMPILE([],[
522                                 return 0;
523                 ], [
524                    AC_MSG_RESULT(yes)
525                 ], [
526                    AC_MSG_RESULT(no)
527                    CFLAGS=$ORIG_CFLAGS
528                 ])
529
530                 ORIG_CFLAGS=$CFLAGS
531                 # Check for the normal version, since gcc ignores unknown -Wno options
532                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
533                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
534                 AC_TRY_COMPILE([],[
535                                 return 0;
536                 ], [
537                    AC_MSG_RESULT(yes)
538                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
539                 ], [
540                    AC_MSG_RESULT(no)
541                    CFLAGS=$ORIG_CFLAGS
542                 ])
543
544                 if test "x$mono_cv_clang" = "xyes"; then
545                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
546                    WARN="$WARN -Qunused-arguments"
547                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare"
548                 fi
549 else
550         # The Sun Forte compiler complains about inline functions that access static variables
551         # so disable all inlining.
552         case "$host" in
553         *-*-solaris*)
554                 CFLAGS="$CFLAGS -Dinline="
555                 ;;
556         esac
557 fi
558 CFLAGS="$CFLAGS -g $WARN"
559 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
560
561 # Where's the 'mcs' source tree?
562 if test -d $srcdir/mcs; then
563   mcsdir=mcs
564 else
565   mcsdir=../mcs
566 fi
567
568 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
569         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
570                 mcsdir=$with_mcs_path
571         fi
572 )
573
574 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
575
576 #
577 # A sanity check to catch cases where the package was unpacked
578 # with an ancient tar program (Solaris)
579 #
580 AC_ARG_ENABLE(solaris-tar-check,
581 [  --disable-solaris-tar-check    disable solaris tar check],
582    do_solaris_tar_check=no, do_solaris_tar_check=yes)
583
584 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
585         AC_MSG_CHECKING(integrity of package)
586         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
587         then
588                 AC_MSG_RESULT(ok)
589         else
590                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
591                 AC_MSG_ERROR([$errorm])
592         fi
593 fi
594
595 if test "x$with_mcs_path" != "x"; then
596 mcs_topdir=$(cd "$mcsdir" && pwd)
597 mcs_topdir_from_srcdir=$mcs_topdir
598 else
599 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
600 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
601 fi
602
603 # Convert mcs_topdir* paths to Windows syntax.
604 if test x$cross_compiling$host_win32 = xnoyes; then
605   mcs_topdir=$(cygpath -m $mcs_topdir)
606   case $mcs_topdir_from_srcdir in
607     /cygdrive/*)
608         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
609         ;;
610   esac
611 fi
612
613 AC_SUBST([mcs_topdir])
614 AC_SUBST([mcs_topdir_from_srcdir])
615
616 # Where's the 'olive' source tree?
617 if test -d $srcdir/olive; then
618   olivedir=olive
619 else
620   olivedir=../olive
621 fi
622
623 if test -d $srcdir/$olivedir; then
624 olive_topdir='$(top_srcdir)/'$olivedir
625 fi
626
627 # gettext: prepare the translation directories. 
628 # we do not configure the full gettext, as we consume it dynamically from C#
629 AM_PO_SUBDIRS
630
631 if test "x$USE_NLS" = "xyes"; then
632    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
633
634    if test "x$HAVE_MSGFMT" = "xno"; then
635           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
636    fi
637 fi
638
639 AC_ARG_WITH([libgdiplus], 
640         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)], 
641         [], [with_libgdiplus=installed])
642
643 case $with_libgdiplus in
644 no|installed) libgdiplus_loc= ;;
645 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
646 /*) libgdiplus_loc=$with_libgdiplus ;;
647 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
648 esac
649 AC_SUBST([libgdiplus_loc])
650
651 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
652
653 pkg_config_path=
654 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
655         if test x$with_crosspkgdir = "x"; then
656                 if test -s $PKG_CONFIG_PATH; then
657                         pkg_config_path=$PKG_CONFIG_PATH
658                 fi
659         else
660                 pkg_config_path=$with_crosspkgdir
661                 PKG_CONFIG_PATH=$pkg_config_path
662                 export PKG_CONFIG_PATH
663         fi
664 )
665
666 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
667 AC_CONFIG_SUBDIRS(eglib)
668
669 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
670 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
671 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
672 BUILD_GLIB_LIBS="$GLIB_LIBS"
673 GMODULE_CFLAGS="$GLIB_CFLAGS"
674 GMODULE_LIBS="$GLIB_LIBS"
675   
676 AC_SUBST(GLIB_CFLAGS)
677 AC_SUBST(GLIB_LIBS)
678 AC_SUBST(GMODULE_CFLAGS)
679 AC_SUBST(GMODULE_LIBS)
680 AC_SUBST(BUILD_GLIB_CFLAGS)
681 AC_SUBST(BUILD_GLIB_LIBS)
682
683 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
684
685 # Enable support for fast thread-local storage
686 # Some systems have broken support, so we allow to disable it.
687 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
688
689 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
690 # This does not work on some platforms (bug #55253)
691 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
692
693 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
694 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
695 # Same as --with-shared_mono=no
696 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
697
698 if test "x$enable_static" = "xno"; then
699    with_static_mono=no
700 fi
701
702 if test "x$enable_shared" = "xno"; then
703    with_shared_mono=no
704 fi
705
706 if test "x$enable_libraries" = "xno"; then
707    with_shared_mono=no
708 fi
709
710 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
711
712 case $host in
713 *nacl* ) with_shared_mono=yes;;
714 esac
715
716 if test "x$host_win32" = "xyes"; then
717    # Boehm GC requires the runtime to be in its own dll
718    with_static_mono=no
719 fi
720
721 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
722 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
723 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
724
725 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
726 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
727         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
728         ORIG_CFLAGS=$CFLAGS
729         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
730         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
731         AC_TRY_COMPILE([], [
732                 return 0;
733         ], [
734            AC_MSG_RESULT(yes)
735            # Pass it to libgc as well
736            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
737         ], [
738            AC_MSG_RESULT(no)
739            CFLAGS=$ORIG_CFLAGS
740         ])
741 fi
742
743 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
744
745 if test x$enable_small_config = xyes; then
746         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
747         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
748 fi
749
750 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=$enableval, enable_system_aot=default)
751
752 DISABLED_FEATURES=none
753
754 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
755      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
756      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
757          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
758 [
759         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
760                 eval "mono_feature_disable_$feature='yes'"
761         done
762         DISABLED_FEATURES=$enable_minimal
763         disabled="Disabled:      $enable_minimal"
764 ],[])
765
766 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
767
768 if test "x$mono_feature_disable_aot" = "xyes"; then
769         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
770         AC_MSG_NOTICE([Disabled AOT compiler])
771 fi
772
773 if test "x$mono_feature_disable_profiler" = "xyes"; then
774         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
775         AC_MSG_NOTICE([Disabled support for the profiler])
776 fi
777 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
778
779 if test "x$mono_feature_disable_decimal" = "xyes"; then
780         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
781         AC_MSG_NOTICE([Disabled support for decimal])
782 fi
783
784 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
785         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
786         AC_MSG_NOTICE([Disabled support for P/Invoke])
787 fi
788
789 if test "x$mono_feature_disable_debug" = "xyes"; then
790         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
791         AC_MSG_NOTICE([Disabled support for runtime debugging])
792 fi
793
794 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
795         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
796         mono_feature_disable_reflection_emit_save=yes
797         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
798 fi
799
800 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
801         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
802         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
803 fi
804
805 if test "x$mono_feature_disable_large_code" = "xyes"; then
806         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
807         AC_MSG_NOTICE([Disabled support for large assemblies])
808 fi
809
810 if test "x$mono_feature_disable_logging" = "xyes"; then
811         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
812         AC_MSG_NOTICE([Disabled support for logging])
813 fi
814
815 if test "x$mono_feature_disable_com" = "xyes"; then
816         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
817         AC_MSG_NOTICE([Disabled COM support])
818 fi
819
820 if test "x$mono_feature_disable_ssa" = "xyes"; then
821         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
822         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
823 fi
824
825 if test "x$mono_feature_disable_generics" = "xyes"; then
826         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
827         AC_MSG_NOTICE([Disabled Generics Support])
828 fi
829
830 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
831         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
832         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
833 fi
834
835 if test "x$mono_feature_disable_portability" = "xyes"; then
836         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
837         AC_MSG_NOTICE([Disabled IO Portability layer])
838 fi
839
840 if test "x$mono_feature_disable_attach" = "xyes"; then
841         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
842         AC_MSG_NOTICE([Disabled agent attach])
843 fi
844
845 if test "x$mono_feature_disable_full_messages" = "xyes"; then
846         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
847         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
848 fi
849
850 if test "x$mono_feature_disable_verifier" = "xyes"; then
851         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
852         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
853 fi
854
855 if test "x$mono_feature_disable_jit" = "xyes"; then
856         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
857         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
858 fi
859
860 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
861
862 if test "x$mono_feature_disable_simd" = "xyes"; then
863         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
864         AC_MSG_NOTICE([Disabled SIMD support])
865 fi
866
867 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
868         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
869         AC_MSG_NOTICE([Disabled Soft Debugger.])
870 fi
871
872 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
873         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
874         AC_MSG_NOTICE([Disabled Performance Counters.])
875 fi
876 if test "x$mono_feature_disable_normalization" = "xyes"; then
877         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
878         AC_MSG_NOTICE([Disabled String normalization support.])
879 fi
880
881 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
882         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
883         AC_MSG_NOTICE([Disabled Assembly remapping.])
884 fi
885
886 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
887         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
888         AC_MSG_NOTICE([Disabled Shared perfcounters.])
889 fi
890
891 if test "x$mono_feature_disable_appdomains" = "xyes"; then
892         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
893         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
894 fi
895
896 if test "x$mono_feature_disable_remoting" = "xyes"; then
897         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
898         AC_MSG_NOTICE([Disabled remoting])
899 fi
900
901 if test "x$mono_feature_disable_security" = "xyes"; then
902         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
903         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
904 fi
905
906 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
907         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
908         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
909 fi
910
911 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
912         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
913         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
914 fi
915
916 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
917         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
918         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
919 fi
920
921 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
922         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
923         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
924 fi
925
926 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
927         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
928         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
929 fi
930
931 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
932 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
933
934 has_extension_module=no
935 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
936 [
937         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
938                 if test x$extension = xdefault ; then
939                         has_extension_module=yes;
940                 fi
941         done
942         if test x$enable_extension_module = xyes; then
943                 has_extension_module=yes;
944         fi
945 ], [])
946
947 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
948
949 if test x$has_extension_module != xno ; then
950         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
951         AC_MSG_NOTICE([Enabling mono extension module.])
952 fi
953
954
955 AC_MSG_CHECKING(for visibility __attribute__)
956 AC_COMPILE_IFELSE([
957         AC_LANG_SOURCE([[
958                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
959                 int main () { doit (); return 0; }
960         ]])
961 ], [
962    have_visibility_hidden=yes
963    AC_MSG_RESULT(yes)
964 ], [
965    have_visibility_hidden=no
966    AC_MSG_RESULT(no)
967 ])
968
969 AC_MSG_CHECKING(for deprecated __attribute__)
970 AC_TRY_COMPILE([
971      int doit (void) __attribute__ ((deprecated));
972      int doit (void) { return 0; }
973 ], [
974         return 0;
975 ], [
976    have_deprecated=yes
977    AC_MSG_RESULT(yes)
978 ], [
979    have_deprecated=no
980    AC_MSG_RESULT(no)
981 ])
982
983 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
984 if test x$enable_parallel_mark = xyes; then
985         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
986 fi
987
988 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
989 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
990
991 dnl
992 dnl Boehm GC configuration
993 dnl
994 LIBGC_CPPFLAGS=
995 LIBGC_LIBS=
996 LIBGC_STATIC_LIBS=
997 libgc_dir=
998 case "x$gc" in
999         xboehm|xbohem|xyes)
1000                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
1001                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
1002
1003                 if test "x$found_boehm" != "xyes"; then
1004                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
1005                 fi
1006                 if test "x$gc_headers" != "xyes"; then
1007                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
1008                 fi
1009
1010                 LIBGC_LIBS="-lgc $libdl"
1011                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
1012                 libmono_ldflags="$libmono_ldflags -lgc"
1013                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1014
1015                 # AC_CHECK_FUNCS does not work for some reason...
1016                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1017                 if test "x$found_gcj_malloc" = "xyes"; then
1018                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1019                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1020                         gc_msg="System Boehm with typed GC"
1021                 else
1022                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1023                         gc_msg="System Boehm (without typed GC)"
1024                 fi
1025                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1026                 if test "x$found_gc_enable" = "xyes"; then
1027                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1028                 fi
1029
1030                 # check whether we need to explicitly allow
1031                 # thread registering
1032                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1033                 if test "x$found_allow_register_threads" = "xyes"; then
1034                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1035                 fi
1036
1037                 ;;
1038
1039         xincluded)
1040                 use_included_gc=yes
1041                 libgc_dir=libgc
1042
1043                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1044                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1045                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1046
1047                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1048
1049                 if test x$target_win32 = xyes; then
1050                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1051                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1052                 fi
1053
1054                 gc_msg="bundled Boehm GC with typed GC"
1055                 if test x$enable_parallel_mark = xyes; then
1056                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1057                         gc_msg="$gc_msg and parallel mark"
1058                 else
1059                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1060                 fi
1061                 ;;
1062
1063         xsgen)
1064                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1065                 ;;
1066
1067         xnone)
1068                 AC_MSG_WARN("Compiling mono without GC.")
1069                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1070                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1071                 ;;
1072         *)
1073                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1074                 ;;
1075 esac
1076
1077 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1078 if test "x$large_heap" = "xyes"; then
1079    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1080 fi
1081
1082 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1083 AC_SUBST(LIBGC_CPPFLAGS)
1084 AC_SUBST(LIBGC_LIBS)
1085 AC_SUBST(LIBGC_STATIC_LIBS)
1086 AC_SUBST(libgc_dir)
1087 AC_SUBST(BOEHM_DEFINES)
1088
1089 dnl
1090 dnl End of libgc checks
1091 dnl
1092
1093 dnl *************************************
1094 dnl *** Checks for zero length arrays ***
1095 dnl *************************************
1096 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1097 AC_TRY_COMPILE([
1098         struct s {
1099                 int  length;
1100                 char data [0];
1101         };
1102 ], [], [
1103         AC_MSG_RESULT(yes)
1104         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1105 ], [
1106         AC_MSG_RESULT(no)
1107         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1108 ])
1109
1110 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1111
1112 if test x$target_win32 = xno; then
1113
1114         dnl hires monotonic clock support
1115         AC_SEARCH_LIBS(clock_gettime, rt)
1116
1117         dnl dynamic loader support
1118         AC_CHECK_FUNC(dlopen, DL_LIB="",
1119                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1120         )
1121         if test x$dl_support = xno; then
1122                 AC_MSG_WARN([No dynamic loading support available])
1123         else
1124                 LIBS="$LIBS $DL_LIB"
1125                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1126                 dnl from glib's configure.in
1127                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1128                         mono_cv_uscore,[
1129                         AC_TRY_RUN([#include <dlfcn.h>
1130                         int mono_underscore_test (void) { return 42; }
1131                         int main() {
1132                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1133                           handle = dlopen ((void*)0, 0);
1134                           if (handle) {
1135                             f1 = dlsym (handle, "mono_underscore_test");
1136                             f2 = dlsym (handle, "_mono_underscore_test");
1137                           } return (!f2 || f1);
1138                         }],
1139                                 [mono_cv_uscore=yes],
1140                                 [mono_cv_uscore=no],
1141                         [])
1142                 ])
1143                 if test "x$mono_cv_uscore" = "xyes"; then
1144                         MONO_DL_NEED_USCORE=1
1145                 else
1146                         MONO_DL_NEED_USCORE=0
1147                 fi
1148                 AC_SUBST(MONO_DL_NEED_USCORE)
1149                 AC_CHECK_FUNC(dlerror)
1150         fi
1151
1152         dnl ******************************************************************
1153         dnl *** Checks for the IKVM JNI interface library                  ***
1154         dnl ******************************************************************
1155         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])
1156
1157         ikvm_native_dir=
1158         if test x$with_ikvm_native = xyes; then
1159                 ikvm_native_dir=ikvm-native
1160                 jdk_headers_found="IKVM Native"
1161         fi
1162
1163         AC_SUBST(ikvm_native_dir)
1164
1165         AC_CHECK_HEADERS(execinfo.h)
1166
1167         AC_CHECK_HEADERS(sys/auxv.h)
1168
1169         AC_CHECK_FUNCS(getgrgid_r)
1170         AC_CHECK_FUNCS(getgrnam_r)
1171         AC_CHECK_FUNCS(getpwnam_r)
1172         AC_CHECK_FUNCS(getpwuid_r)
1173         AC_CHECK_FUNCS(getresuid)
1174         AC_CHECK_FUNCS(setresuid)
1175         AC_CHECK_FUNCS(kqueue)
1176         AC_CHECK_FUNCS(backtrace_symbols)
1177         AC_CHECK_FUNCS(mkstemp)
1178         AC_CHECK_FUNCS(mmap)
1179         AC_CHECK_FUNCS(madvise)
1180         AC_CHECK_FUNCS(getrusage)
1181         AC_CHECK_FUNCS(getpriority)
1182         AC_CHECK_FUNCS(setpriority)
1183         AC_CHECK_FUNCS(dl_iterate_phdr)
1184         AC_CHECK_FUNCS(dladdr)
1185         AC_CHECK_FUNCS(sysconf)
1186
1187         AC_CHECK_FUNCS(sched_setaffinity)
1188         AC_CHECK_FUNCS(sched_getcpu)
1189
1190         dnl ****************************************************************
1191         dnl *** Check for sched_setaffinity from glibc versions before   ***
1192         dnl *** 2.3.4. The older versions of the function only take 2    ***
1193         dnl *** parameters, not 3.                                       ***
1194         dnl ***                                                          ***
1195         dnl *** Because the interface change was not made in a minor     ***
1196         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1197         dnl *** won't always indicate the interface sched_affinity has.  ***
1198         dnl ****************************************************************
1199         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1200         AC_TRY_COMPILE([#include <sched.h>], [
1201             int mask = 1; 
1202             sched_setaffinity(0, &mask);
1203                         return 0;
1204         ], [
1205                 # Yes, we have it...
1206                 AC_MSG_RESULT(yes)
1207                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1208         ], [
1209                 # We have the new, three-parameter version
1210                 AC_MSG_RESULT(no)
1211         ])
1212
1213
1214         dnl ******************************************************************
1215         dnl *** Check for large file support                               ***
1216         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1217         dnl ******************************************************************
1218         
1219         # Check that off_t can represent 2**63 - 1 correctly, working around
1220         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1221         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1222         large_offt=no
1223         AC_DEFUN([LARGE_FILES], [
1224                 large_CPPFLAGS=$CPPFLAGS
1225                 CPPFLAGS="$CPPFLAGS $1"
1226                 AC_TRY_COMPILE([
1227                         #include <sys/types.h>
1228                         #include <limits.h>
1229                 ], [
1230                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1231                         #define COMPILE_TIME_ASSERT(pred) \
1232                                 switch(0){case 0:case pred:;}
1233                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1234                 ], [
1235                         AC_MSG_RESULT(ok)
1236                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1237                         large_CPPFLAGS="$large_CPPFLAGS $1"
1238                         large_offt=yes
1239                 ], [
1240                         AC_MSG_RESULT(no)
1241                 ])
1242                 CPPFLAGS=$large_CPPFLAGS
1243         ])
1244
1245         AC_MSG_CHECKING(if off_t is 64 bits wide)
1246         LARGE_FILES("")
1247         if test $large_offt = no; then
1248                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1249                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1250         fi
1251         if test $large_offt = no; then
1252                 AC_MSG_WARN([No 64 bit file size support available])
1253         fi
1254         
1255         dnl *****************************
1256         dnl *** Checks for libsocket  ***
1257         dnl *****************************
1258         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1259
1260         case "$host" in
1261                 *-*-*freebsd*)
1262                         dnl *****************************
1263                         dnl *** Checks for libinotify ***
1264                         dnl *****************************
1265                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1266         esac
1267
1268         dnl *******************************
1269         dnl *** Checks for MSG_NOSIGNAL ***
1270         dnl *******************************
1271         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1272         AC_TRY_COMPILE([#include <sys/socket.h>], [
1273                 int f = MSG_NOSIGNAL;
1274         ], [
1275                 # Yes, we have it...
1276                 AC_MSG_RESULT(yes)
1277                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1278         ], [
1279                 # We'll have to use signals
1280                 AC_MSG_RESULT(no)
1281         ])
1282
1283         dnl *****************************
1284         dnl *** Checks for IPPROTO_IP ***
1285         dnl *****************************
1286         AC_MSG_CHECKING(for IPPROTO_IP)
1287         AC_TRY_COMPILE([#include <netinet/in.h>], [
1288                 int level = IPPROTO_IP;
1289         ], [
1290                 # Yes, we have it...
1291                 AC_MSG_RESULT(yes)
1292                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1293         ], [
1294                 # We'll have to use getprotobyname
1295                 AC_MSG_RESULT(no)
1296         ])
1297
1298         dnl *******************************
1299         dnl *** Checks for IPPROTO_IPV6 ***
1300         dnl *******************************
1301         AC_MSG_CHECKING(for IPPROTO_IPV6)
1302         AC_TRY_COMPILE([#include <netinet/in.h>], [
1303                 int level = IPPROTO_IPV6;
1304         ], [
1305                 # Yes, we have it...
1306                 AC_MSG_RESULT(yes)
1307                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1308         ], [
1309                 # We'll have to use getprotobyname
1310                 AC_MSG_RESULT(no)
1311         ])
1312
1313         dnl ******************************
1314         dnl *** Checks for IPPROTO_TCP ***
1315         dnl ******************************
1316         AC_MSG_CHECKING(for IPPROTO_TCP)
1317         AC_TRY_COMPILE([#include <netinet/in.h>], [
1318                 int level = IPPROTO_TCP;
1319         ], [
1320                 # Yes, we have it...
1321                 AC_MSG_RESULT(yes)
1322                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1323         ], [
1324                 # We'll have to use getprotobyname
1325                 AC_MSG_RESULT(no)
1326         ])
1327
1328         dnl *****************************
1329         dnl *** Checks for SOL_IP     ***
1330         dnl *****************************
1331         AC_MSG_CHECKING(for SOL_IP)
1332         AC_TRY_COMPILE([#include <netdb.h>], [
1333                 int level = SOL_IP;
1334         ], [
1335                 # Yes, we have it...
1336                 AC_MSG_RESULT(yes)
1337                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1338         ], [
1339                 # We'll have to use getprotobyname
1340                 AC_MSG_RESULT(no)
1341         ])
1342
1343         dnl *****************************
1344         dnl *** Checks for SOL_IPV6     ***
1345         dnl *****************************
1346         AC_MSG_CHECKING(for SOL_IPV6)
1347         AC_TRY_COMPILE([#include <netdb.h>], [
1348                 int level = SOL_IPV6;
1349         ], [
1350                 # Yes, we have it...
1351                 AC_MSG_RESULT(yes)
1352                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1353         ], [
1354                 # We'll have to use getprotobyname
1355                 AC_MSG_RESULT(no)
1356         ])
1357
1358         dnl *****************************
1359         dnl *** Checks for SOL_TCP    ***
1360         dnl *****************************
1361         AC_MSG_CHECKING(for SOL_TCP)
1362         AC_TRY_COMPILE([#include <netdb.h>], [
1363                 int level = SOL_TCP;
1364         ], [
1365                 # Yes, we have it...
1366                 AC_MSG_RESULT(yes)
1367                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1368         ], [
1369                 # We'll have to use getprotobyname
1370                 AC_MSG_RESULT(no)
1371         ])
1372
1373         dnl *****************************
1374         dnl *** Checks for IP_PKTINFO ***
1375         dnl *****************************
1376         AC_MSG_CHECKING(for IP_PKTINFO)
1377         AC_TRY_COMPILE([#include <linux/in.h>], [
1378                 int level = IP_PKTINFO;
1379         ], [
1380                 # Yes, we have it...
1381                 AC_MSG_RESULT(yes)
1382                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1383         ], [
1384                 AC_MSG_RESULT(no)
1385         ])
1386
1387         dnl *****************************
1388         dnl *** Checks for IPV6_PKTINFO ***
1389         dnl *****************************
1390         AC_MSG_CHECKING(for IPV6_PKTINFO)
1391         AC_TRY_COMPILE([#include <netdb.h>], [
1392                 int level = IPV6_PKTINFO;
1393         ], [
1394                 # Yes, we have it...
1395                 AC_MSG_RESULT(yes)
1396                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1397         ], [
1398                 AC_MSG_RESULT(no)
1399         ])
1400
1401         dnl **********************************
1402         dnl *** Checks for IP_DONTFRAG     ***
1403         dnl **********************************
1404         AC_MSG_CHECKING(for IP_DONTFRAG)
1405         AC_TRY_COMPILE([#include <netinet/in.h>], [
1406                 int level = IP_DONTFRAG;
1407         ], [
1408                 # Yes, we have it...
1409                 AC_MSG_RESULT(yes)
1410                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1411         ], [
1412                 AC_MSG_RESULT(no)
1413         ])
1414
1415         dnl **********************************
1416         dnl *** Checks for IP_DONTFRAGMENT ***
1417         dnl **********************************
1418         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1419         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1420                 int level = IP_DONTFRAGMENT;
1421         ], [
1422                 # Yes, we have it...
1423                 AC_MSG_RESULT(yes)
1424                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1425         ], [
1426                 AC_MSG_RESULT(no)
1427         ])
1428
1429         dnl **********************************
1430         dnl *** Checks for IP_MTU_DISCOVER ***
1431         dnl **********************************
1432         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1433         AC_TRY_COMPILE([#include <linux/in.h>], [
1434                 int level = IP_MTU_DISCOVER;
1435         ], [
1436                 # Yes, we have it...
1437                 AC_MSG_RESULT(yes)
1438                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1439         ], [
1440                 AC_MSG_RESULT(no)
1441         ])
1442
1443         dnl **********************************
1444         dnl *** Checks for  IP_PMTUDISC_DO ***
1445         dnl **********************************
1446         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1447         AC_TRY_COMPILE([#include <linux/in.h>], [
1448                 int level = IP_PMTUDISC_DO;
1449         ], [
1450                 # Yes, we have it...
1451                 AC_MSG_RESULT(yes)
1452                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1453         ], [
1454                 AC_MSG_RESULT(no)
1455         ])
1456
1457         dnl *********************************
1458         dnl *** Check for struct ip_mreqn ***
1459         dnl *********************************
1460         AC_MSG_CHECKING(for struct ip_mreqn)
1461         AC_TRY_COMPILE([#include <netinet/in.h>], [
1462                 struct ip_mreqn mreq;
1463                 mreq.imr_address.s_addr = 0;
1464         ], [
1465                 # Yes, we have it...
1466                 AC_MSG_RESULT(yes)
1467                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1468         ], [
1469                 # We'll just have to try and use struct ip_mreq
1470                 AC_MSG_RESULT(no)
1471                 AC_MSG_CHECKING(for struct ip_mreq)
1472                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1473                         struct ip_mreq mreq;
1474                         mreq.imr_interface.s_addr = 0;
1475                 ], [
1476                         # Yes, we have it...
1477                         AC_MSG_RESULT(yes)
1478                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1479                 ], [
1480                         # No multicast support
1481                         AC_MSG_RESULT(no)
1482                 ])
1483         ])
1484         
1485         dnl **********************************
1486         dnl *** Check for gethostbyname2_r ***
1487         dnl **********************************
1488         AC_MSG_CHECKING(for gethostbyname2_r)
1489                 AC_TRY_LINK([#include <netdb.h>], [
1490                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1491         ], [
1492                 # Yes, we have it...
1493                 AC_MSG_RESULT(yes)
1494                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1495         ], [
1496                 AC_MSG_RESULT(no)
1497         ])
1498
1499         dnl *****************************
1500         dnl *** Checks for libnsl     ***
1501         dnl *****************************
1502         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1503
1504         AC_CHECK_FUNCS(inet_pton inet_aton)
1505
1506         dnl ***********************************************
1507         dnl *** Checks for size of sockaddr_un.sun_path ***
1508         dnl ***********************************************
1509         # AC_CHECK_SIZEOF can't cope with struct members :-(
1510         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1511         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1512                 [AC_TRY_RUN([
1513                         #include <sys/types.h>
1514                         #include <stdio.h>
1515                         #include <sys/un.h>
1516
1517                         int main(void) {
1518                                 struct sockaddr_un sock_un;
1519                                 FILE *f=fopen("conftestval", "w");
1520                                 if(!f) exit(1);
1521                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1522                                 exit(0);
1523                         }
1524                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1525                    mono_cv_sizeof_sunpath=0,
1526                    mono_cv_sizeof_sunpath=0)])dnl
1527         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1528         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1529
1530         dnl *****************************
1531         dnl *** Checks for libxnet    ***
1532         dnl *****************************
1533         case "${host}" in
1534                 *solaris* )
1535                         AC_MSG_CHECKING(for Solaris XPG4 support)
1536                         if test -f /usr/lib/libxnet.so; then
1537                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1538                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1539                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1540                                 LIBS="$LIBS -lxnet"
1541                                 AC_MSG_RESULT(yes)
1542                         else
1543                                 AC_MSG_RESULT(no)
1544                         fi
1545
1546                         if test "$GCC" = "yes"; then
1547                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1548                         fi
1549                 ;;
1550         esac
1551
1552         dnl *****************************
1553         dnl *** Checks for libpthread ***
1554         dnl *****************************
1555 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1556 # and libpthread does not exist
1557 #
1558         case "${host}" in
1559                 *-*-*freebsd*)
1560                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1561                 ;;
1562                 *-*-*openbsd*)
1563                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1564                 ;;
1565                 *)
1566                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1567                 ;;
1568         esac
1569         AC_CHECK_HEADERS(pthread.h)
1570         AC_CHECK_HEADERS(pthread_np.h)
1571         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1572         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1573         AC_CHECK_FUNCS(pthread_kill)
1574         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1575         AC_TRY_COMPILE([ #include <pthread.h>], [
1576                 pthread_mutexattr_t attr;
1577                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1578         ], [
1579                 AC_MSG_RESULT(ok)
1580         ], [
1581                 AC_MSG_RESULT(no)
1582                 AC_ERROR(Posix system lacks support for recursive mutexes)
1583         ])
1584         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1585         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1586         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1587
1588         dnl ***********************************
1589         dnl *** Checks for signals
1590         dnl ***********************************
1591         AC_CHECK_HEADERS(signal.h)
1592         AC_CHECK_FUNCS(sigaction)
1593
1594         dnl ***********************************
1595         dnl *** Checks for working __thread ***
1596         dnl ***********************************
1597         AC_MSG_CHECKING(for working __thread)
1598         if test "x$with_tls" != "x__thread"; then
1599                 AC_MSG_RESULT(disabled)
1600         elif test "x$cross_compiling" = "xyes"; then
1601                 AC_MSG_RESULT(cross compiling, assuming yes)
1602         else
1603                 AC_TRY_RUN([
1604                         #if defined(__APPLE__) && defined(__clang__)
1605                         #error "__thread does not currently work with clang on Mac OS X"
1606                         #endif
1607                         
1608                         #include <pthread.h>
1609                         __thread int i;
1610                         static int res1, res2;
1611
1612                         void thread_main (void *arg)
1613                         {
1614                                 i = arg;
1615                                 sleep (1);
1616                                 if (arg == 1)
1617                                         res1 = (i == arg);
1618                                 else
1619                                         res2 = (i == arg);
1620                         }
1621
1622                         int main () {
1623                                 pthread_t t1, t2;
1624
1625                                 i = 5;
1626
1627                                 pthread_create (&t1, NULL, thread_main, 1);
1628                                 pthread_create (&t2, NULL, thread_main, 2);
1629
1630                                 pthread_join (t1, NULL);
1631                                 pthread_join (t2, NULL);
1632
1633                                 return !(res1 + res2 == 2);
1634                         }
1635                 ], [
1636                                 AC_MSG_RESULT(yes)
1637                 ], [
1638                                 AC_MSG_RESULT(no)
1639                                 with_tls=pthread
1640                 ])
1641         fi
1642
1643         dnl **************************************
1644         dnl *** Checks for working sigaltstack ***
1645         dnl **************************************
1646         AC_MSG_CHECKING(for working sigaltstack)
1647         if test "x$with_sigaltstack" != "xyes"; then
1648                 AC_MSG_RESULT(disabled)
1649         elif test "x$cross_compiling" = "xyes"; then
1650                 AC_MSG_RESULT(cross compiling, assuming yes)
1651         else
1652                 AC_TRY_RUN([
1653                         #include <stdio.h>
1654                         #include <stdlib.h>
1655                         #include <unistd.h>
1656                         #include <signal.h>
1657                         #include <pthread.h>
1658                         #include <sys/wait.h>
1659                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1660                         #define SA_STACK SA_ONSTACK
1661                         #endif
1662                         static void
1663                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1664                         {
1665                                 exit (0);
1666                         }
1667
1668                         volatile char*__ptr = NULL;
1669                         static void *
1670                         loop (void *ignored)
1671                         {
1672                                 *__ptr = 0;
1673                                 return NULL;
1674                         }
1675
1676                         static void
1677                         child ()
1678                         {
1679                                 struct sigaction sa;
1680                         #ifdef __APPLE__
1681                                 stack_t sas;
1682                         #else
1683                                 struct sigaltstack sas;
1684                         #endif
1685                                 pthread_t id;
1686                                 pthread_attr_t attr;
1687
1688                                 sa.sa_sigaction = sigsegv_signal_handler;
1689                                 sigemptyset (&sa.sa_mask);
1690                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1691                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1692                                         perror ("sigaction");
1693                                         return;
1694                                 }
1695
1696                                 /* x86 darwin deliver segfaults using SIGBUS */
1697                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1698                                         perror ("sigaction");
1699                                         return;
1700                                 }
1701                                 sas.ss_sp = malloc (SIGSTKSZ);
1702                                 sas.ss_size = SIGSTKSZ;
1703                                 sas.ss_flags = 0;
1704                                 if (sigaltstack (&sas, NULL) == -1) {
1705                                         perror ("sigaltstack");
1706                                         return;
1707                                 }
1708
1709                                 pthread_attr_init (&attr);
1710                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1711                                         printf ("pthread_create\n");
1712                                         return;
1713                                 }
1714
1715                                 sleep (100);
1716                         }
1717
1718                         int
1719                         main ()
1720                         {
1721                                 pid_t son;
1722                                 int status;
1723                                 int i;
1724
1725                                 son = fork ();
1726                                 if (son == -1) {
1727                                         return 1;
1728                                 }
1729
1730                                 if (son == 0) {
1731                                         child ();
1732                                         return 0;
1733                                 }
1734
1735                                 for (i = 0; i < 300; ++i) {
1736                                         waitpid (son, &status, WNOHANG);
1737                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1738                                                 return 0;
1739                                         usleep (10000);
1740                                 }
1741
1742                                 kill (son, SIGKILL);
1743                                 return 1;
1744                         }
1745
1746                 ], [
1747                                 AC_MSG_RESULT(yes)
1748                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1749                 ], [
1750                                 with_sigaltstack=no
1751                                 AC_MSG_RESULT(no)
1752                 ])
1753         fi
1754
1755         dnl ********************************
1756         dnl *** Checks for semaphore lib ***
1757         dnl ********************************
1758         # 'Real Time' functions on Solaris
1759         # posix4 on Solaris 2.6
1760         # pthread (first!) on Linux
1761         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1762
1763         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1764         AC_CHECK_FUNCS(shm_open)
1765
1766         dnl ********************************
1767         dnl *** Checks for timezone stuff **
1768         dnl ********************************
1769         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1770                 AC_TRY_COMPILE([
1771                         #include <time.h>
1772                         ], [
1773                         struct tm tm;
1774                         tm.tm_gmtoff = 1;
1775                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1776         if test $ac_cv_struct_tm_gmtoff = yes; then
1777                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1778         else
1779                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1780                         AC_TRY_COMPILE([
1781                                 #include <time.h>
1782                         ], [
1783                                 timezone = 1;
1784                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1785                 if test $ac_cv_var_timezone = yes; then
1786                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1787                 else
1788                         AC_ERROR(unable to find a way to determine timezone)
1789                 fi
1790         fi
1791
1792         dnl *********************************
1793         dnl *** Checks for math functions ***
1794         dnl *********************************
1795         AC_SEARCH_LIBS(sqrtf, m)
1796         if test "x$has_broken_apple_cpp" != "xyes"; then
1797                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1798                         AC_TRY_LINK([#include <math.h>], 
1799                         [ finite(0.0); ], 
1800                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1801                         AC_MSG_RESULT(no)))
1802         fi
1803         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1804                 AC_TRY_LINK([#include <math.h>], 
1805                 [ isfinite(0.0); ], 
1806                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1807                 AC_MSG_RESULT(no)))
1808
1809         dnl ****************************************************************
1810         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1811         dnl *** have it in the library (duh))                            ***
1812         dnl ****************************************************************
1813         AC_CHECK_FUNCS(poll)
1814
1815         dnl *************************
1816         dnl *** Check for signbit ***
1817         dnl *************************
1818         AC_MSG_CHECKING(for signbit)
1819         AC_TRY_LINK([#include <math.h>], [
1820                 int s = signbit(1.0);
1821         ], [
1822                 AC_MSG_RESULT(yes)
1823                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1824         ], [
1825                 AC_MSG_RESULT(no)
1826         ]) 
1827
1828         dnl **********************************
1829         dnl *** epoll                      ***
1830         dnl **********************************
1831         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1832                 AC_CHECK_HEADERS(sys/epoll.h)
1833                 haveepoll=no
1834                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1835                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1836                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1837                 fi
1838         fi
1839
1840         havekqueue=no
1841         AC_CHECK_FUNCS(kqueue, , AC_MSG_CHECKING(for kqueue in sys/event.h)
1842                 AC_TRY_LINK([#include <sys/event.h>], 
1843                 [ kqueue(); ],[havekqueue=yes],[]))
1844
1845         dnl **************************************
1846         dnl * Darwin has a race that prevents us from using reliably:
1847         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1848         dnl * Since kqueue is mostly used for scaling large web servers, 
1849         dnl * and very few folks run Mono on large web servers on OSX, falling
1850         dnl * back 
1851         dnl **************************************
1852         if test x$havekqueue = xyes; then
1853                 if x$platform_darwin = xno; then
1854                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1855                 fi
1856         fi
1857
1858         dnl ******************************
1859         dnl *** Checks for SIOCGIFCONF ***
1860         dnl ******************************
1861         AC_CHECK_HEADERS(sys/ioctl.h)
1862         AC_CHECK_HEADERS(net/if.h, [], [],
1863            [
1864            #ifdef HAVE_SYS_TYPES_H
1865            # include <sys/types.h>
1866            #endif
1867            #ifdef HAVE_SYS_SOCKET_H
1868            # include <sys/socket.h>
1869            #endif
1870            ])
1871         AC_MSG_CHECKING(for ifreq)
1872         AC_TRY_COMPILE([
1873                 #include <stdio.h>
1874                 #include <sys/ioctl.h>
1875                 #include <net/if.h>
1876                 ], [
1877                 struct ifconf ifc;
1878                 struct ifreq *ifr;
1879                 void *x;
1880                 ifc.ifc_len = 0;
1881                 ifc.ifc_buf = NULL;
1882                 x = (void *) &ifr->ifr_addr;
1883                 ],[
1884                         AC_MSG_RESULT(yes)
1885                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1886                 ], [
1887                         AC_MSG_RESULT(no)
1888                 ])
1889         dnl **********************************
1890         dnl ***     Checks for sin_len     ***
1891         dnl **********************************
1892         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1893         AC_TRY_COMPILE([
1894                 #include <netinet/in.h>
1895                 ], [
1896                 struct sockaddr_in saddr;
1897                 saddr.sin_len = sizeof (saddr);
1898                 ],[
1899                         AC_MSG_RESULT(yes)
1900                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1901                 ], [
1902                         AC_MSG_RESULT(no)
1903                 ])      
1904         dnl **********************************
1905         dnl ***    Checks for sin6_len     ***
1906         dnl **********************************
1907         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1908         AC_TRY_COMPILE([
1909                 #include <netinet/in.h>
1910                 ], [
1911                 struct sockaddr_in6 saddr6;
1912                 saddr6.sin6_len = sizeof (saddr6);
1913                 ],[
1914                         AC_MSG_RESULT(yes)
1915                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1916                 ], [
1917                         AC_MSG_RESULT(no)
1918                 ])
1919         dnl **********************************
1920         dnl *** Check for getifaddrs       ***
1921         dnl **********************************
1922         AC_MSG_CHECKING(for getifaddrs)
1923                 AC_TRY_LINK([
1924                 #include <stdio.h>
1925                 #include <sys/types.h>
1926                 #include <sys/socket.h>
1927                 #include <ifaddrs.h>
1928         ], [
1929                 getifaddrs(NULL);
1930         ], [
1931                 # Yes, we have it...
1932                 AC_MSG_RESULT(yes)
1933                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1934         ], [
1935                 AC_MSG_RESULT(no)
1936         ])
1937         dnl **********************************
1938         dnl *** Check for if_nametoindex   ***
1939         dnl **********************************
1940         AC_MSG_CHECKING(for if_nametoindex)
1941                 AC_TRY_LINK([
1942                 #include <stdio.h>
1943                 #include <sys/types.h>
1944                 #include <sys/socket.h>
1945                 #include <net/if.h>
1946         ], [
1947                 if_nametoindex(NULL);
1948         ], [
1949                 # Yes, we have it...
1950                 AC_MSG_RESULT(yes)
1951                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1952         ], [
1953                 AC_MSG_RESULT(no)
1954         ])
1955                         
1956         dnl **********************************
1957         dnl *** Checks for MonoPosixHelper ***
1958         dnl **********************************
1959         AC_CHECK_HEADERS(checklist.h)
1960         AC_CHECK_HEADERS(pathconf.h)
1961         AC_CHECK_HEADERS(fstab.h)
1962         AC_CHECK_HEADERS(attr/xattr.h)
1963         AC_CHECK_HEADERS(sys/extattr.h)
1964         AC_CHECK_HEADERS(sys/sendfile.h)
1965         AC_CHECK_HEADERS(sys/statvfs.h)
1966         AC_CHECK_HEADERS(sys/statfs.h)
1967         AC_CHECK_HEADERS(sys/vfstab.h)
1968         AC_CHECK_HEADERS(sys/xattr.h)
1969         AC_CHECK_HEADERS(sys/mman.h)
1970         AC_CHECK_HEADERS(sys/param.h)
1971         AC_CHECK_HEADERS(sys/mount.h, [], [],
1972                 [
1973                 #ifdef HAVE_SYS_PARAM_H
1974                 # include <sys/param.h>
1975                 #endif
1976                 ])
1977         AC_CHECK_HEADERS(sys/mount.h)
1978         AC_CHECK_FUNCS(confstr)
1979         AC_CHECK_FUNCS(seekdir telldir)
1980         AC_CHECK_FUNCS(getdomainname)
1981         AC_CHECK_FUNCS(setdomainname)
1982         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1983         AC_CHECK_FUNCS(setgroups)
1984         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1985         AC_CHECK_FUNCS(getfsstat)
1986         AC_CHECK_FUNCS(lutimes futimes)
1987         AC_CHECK_FUNCS(mremap)
1988         AC_CHECK_FUNCS(remap_file_pages)
1989         AC_CHECK_FUNCS(posix_fadvise)
1990         AC_CHECK_FUNCS(posix_fallocate)
1991         AC_CHECK_FUNCS(posix_madvise)
1992         AC_CHECK_FUNCS(vsnprintf)
1993         AC_CHECK_FUNCS(sendfile)
1994         AC_CHECK_FUNCS(gethostid sethostid)
1995         AC_CHECK_FUNCS(sethostname)
1996         AC_CHECK_FUNCS(statfs)
1997         AC_CHECK_FUNCS(fstatfs)
1998         AC_CHECK_FUNCS(statvfs)
1999         AC_CHECK_FUNCS(fstatvfs)
2000         AC_CHECK_FUNCS(stime)
2001         AC_CHECK_FUNCS(strerror_r)
2002         AC_CHECK_FUNCS(ttyname_r)
2003         AC_CHECK_FUNCS(psignal)
2004         AC_CHECK_FUNCS(getlogin_r)
2005         AC_CHECK_FUNCS(lockf)
2006         AC_CHECK_FUNCS(swab)
2007         AC_CHECK_FUNCS(setusershell endusershell)
2008         AC_CHECK_FUNCS(futimens utimensat)
2009         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2010         AC_CHECK_FUNCS(readv writev preadv pwritev)
2011         AC_CHECK_SIZEOF(size_t)
2012         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2013                 [#include <sys/types.h>
2014                  #include <sys/stat.h>
2015                  #include <unistd.h>])
2016         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2017                 [#include <sys/types.h>
2018                  #include <sys/stat.h>
2019                  #include <unistd.h>])
2020         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2021                 [#include <sys/time.h>])
2022         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2023                 [#include <unistd.h>
2024                  #include <fcntl.h>])
2025         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2026                 [#include <sys/uio.h>])
2027         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2028                 [#include <sys/poll.h>])
2029         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2030                 [#include <sys/types.h>
2031                  #include <sys/stat.h>
2032                  #include <unistd.h>])
2033         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2034                 [#include <time.h>])
2035         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2036                 [#include <sys/time.h>
2037                  #include <sys/types.h>
2038                  #include <utime.h>])
2039         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2040                 [#include <sys/time.h>])
2041         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2042                 [#include <sys/types.h>
2043                  #include <utime.h>])
2044         AC_CHECK_MEMBERS(
2045                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2046                 [#include <sys/types.h>
2047                  #include <dirent.h>])
2048         AC_CHECK_MEMBERS(
2049                 [struct passwd.pw_gecos],,, 
2050                 [#include <sys/types.h>
2051                  #include <pwd.h>])
2052         AC_CHECK_MEMBERS(
2053                 [struct statfs.f_flags],,, 
2054                 [#include <sys/types.h>
2055                  #include <sys/vfs.h>])
2056         AC_CHECK_MEMBERS(
2057                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2058                 [#include <sys/types.h>
2059                  #include <sys/stat.h>
2060                  #include <unistd.h>])
2061
2062         dnl Favour xattr through glibc, but use libattr if we have to
2063         AC_CHECK_FUNC(lsetxattr, ,
2064                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2065         )
2066         AC_SUBST(XATTR_LIB)
2067
2068         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2069         AC_CHECK_MEMBERS(
2070                 [struct kinfo_proc.kp_proc],,, 
2071                 [#include <sys/types.h>
2072                  #include <sys/param.h>
2073                  #include <sys/sysctl.h>
2074                  #include <sys/proc.h>
2075                  ])
2076
2077         dnl *********************************
2078         dnl *** Checks for Windows compilation ***
2079         dnl *********************************
2080         AC_CHECK_HEADERS(sys/time.h)
2081         AC_CHECK_HEADERS(sys/param.h)
2082         AC_CHECK_HEADERS(dirent.h)
2083
2084         dnl ******************************************
2085         dnl *** Checks for OSX and iOS compilation ***
2086         dnl ******************************************
2087         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2088
2089         dnl *********************************
2090         dnl *** Check for Console 2.0 I/O ***
2091         dnl *********************************
2092         AC_CHECK_HEADERS([curses.h])
2093         AC_CHECK_HEADERS([term.h], [], [],
2094         [#if HAVE_CURSES_H
2095          #include <curses.h>
2096          #endif
2097         ])
2098         AC_CHECK_HEADERS([termios.h])
2099
2100         dnl * This is provided in io-layer, but on windows it's only available
2101         dnl * on xp+
2102         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2103 else
2104         dnl *********************************
2105         dnl *** Checks for Windows compilation ***
2106         dnl *********************************
2107         AC_CHECK_HEADERS(winternl.h)
2108
2109         jdk_headers_found=no
2110         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2111         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2112         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2113         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2114         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2115         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2116         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2117
2118         dnl *********************************
2119         dnl *** Check for struct ip_mreqn ***
2120         dnl *********************************
2121         AC_MSG_CHECKING(for struct ip_mreqn)
2122         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2123                 struct ip_mreqn mreq;
2124                 mreq.imr_address.s_addr = 0;
2125         ], [
2126                 # Yes, we have it...
2127                 AC_MSG_RESULT(yes)
2128                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2129         ], [
2130                 # We'll just have to try and use struct ip_mreq
2131                 AC_MSG_RESULT(no)
2132                 AC_MSG_CHECKING(for struct ip_mreq)
2133                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2134                         struct ip_mreq mreq;
2135                         mreq.imr_interface.s_addr = 0;
2136                 ], [
2137                         # Yes, we have it...
2138                         AC_MSG_RESULT(yes)
2139                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2140                 ], [
2141                         # No multicast support
2142                         AC_MSG_RESULT(no)
2143                 ])
2144         ])
2145         AC_CHECK_FUNCS(GetProcessId)
2146         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2147         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2148         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2149         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2150         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2151 fi
2152
2153 dnl socklen_t check
2154 AC_MSG_CHECKING(for socklen_t)
2155 AC_TRY_COMPILE([
2156 #include <sys/types.h>
2157 #include <sys/socket.h>
2158 ],[
2159   socklen_t foo;
2160 ],[
2161 ac_cv_c_socklen_t=yes
2162         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2163         AC_MSG_RESULT(yes)
2164 ],[
2165         AC_MSG_RESULT(no)
2166 ])
2167
2168 AC_MSG_CHECKING(for array element initializer support)
2169 AC_TRY_COMPILE([#include <sys/socket.h>], [
2170         const int array[] = {[1] = 2,};
2171 ], [
2172         # Yes, we have it...
2173         AC_MSG_RESULT(yes)
2174         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2175 ], [
2176         # We'll have to use signals
2177         AC_MSG_RESULT(no)
2178 ])
2179
2180 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2181         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2182         AC_TRY_LINK([#include <math.h>], 
2183         [ static void *p = &trunc; ],
2184         [
2185                 AC_DEFINE(HAVE_TRUNC) 
2186                 AC_MSG_RESULT(yes)
2187                 ac_cv_trunc=yes
2188         ],
2189         AC_MSG_RESULT(no)))
2190
2191 if test "x$ac_cv_truncl" != "xyes"; then
2192    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2193 fi
2194
2195 AC_CHECK_FUNCS(round)
2196 AC_CHECK_FUNCS(rint)
2197 AC_CHECK_FUNCS(execvp)
2198
2199 dnl ****************************
2200 dnl *** Look for /dev/random ***
2201 dnl ****************************
2202
2203 AC_MSG_CHECKING([if usage of random device is requested])
2204 AC_ARG_ENABLE(dev-random,
2205 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2206 try_dev_random=$enableval, try_dev_random=yes)
2207
2208 AC_MSG_RESULT($try_dev_random)
2209
2210 case "{$build}" in
2211     *-openbsd*)
2212     NAME_DEV_RANDOM="/dev/srandom"
2213     ;;
2214
2215 dnl Win32 does not have /dev/random, they have their own method...
2216
2217     *-mingw*|*-*-cygwin*)
2218     ac_cv_have_dev_random=no
2219     ;;
2220
2221 dnl Everywhere else, it's /dev/random
2222
2223     *)
2224     NAME_DEV_RANDOM="/dev/random"
2225     ;;
2226 esac
2227
2228 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2229
2230 dnl Now check if the device actually exists
2231
2232 if test "x$try_dev_random" = "xyes"; then
2233     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2234     [if test -r "$NAME_DEV_RANDOM" ; then
2235         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2236     if test "x$ac_cv_have_dev_random" = "xyes"; then
2237         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2238     fi
2239 else
2240     AC_MSG_CHECKING(for random device)
2241     ac_cv_have_dev_random=no
2242     AC_MSG_RESULT(has been disabled)
2243 fi
2244
2245 if test "x$host_win32" = "xyes"; then
2246     AC_DEFINE(HAVE_CRYPT_RNG)
2247 fi
2248
2249 if test "x$ac_cv_have_dev_random" = "xno" \
2250     && test "x$host_win32" = "xno"; then
2251     AC_MSG_WARN([[
2252 ***
2253 *** A system-provided entropy source was not found on this system.
2254 *** Because of this, the System.Security.Cryptography random number generator
2255 *** will throw a NotImplemented exception.
2256 ***
2257 *** If you are seeing this message, and you know your system DOES have an
2258 *** entropy collection in place, please contact <crichton@gimp.org> and
2259 *** provide information about the system and how to access the random device.
2260 ***
2261 *** Otherwise you can install either egd or prngd and set the environment
2262 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2263 ***]])
2264 fi
2265  
2266 AC_MSG_CHECKING([if inter-process shared handles are requested])
2267 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2268 AC_MSG_RESULT($try_shared_handles)
2269 if test "x$try_shared_handles" != "xyes"; then
2270         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2271         AC_SUBST(DISABLE_SHARED_HANDLES)
2272 fi
2273
2274 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2275
2276 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2277 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2278
2279 AC_MSG_CHECKING([if big-arrays are to be enabled])
2280 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2281 if test "x$enable_big_arrays" = "xyes" ; then
2282     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2283         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2284     else
2285         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2286     fi
2287 fi
2288 AC_MSG_RESULT($enable_big_arrays)
2289
2290 dnl **************
2291 dnl *** DTRACE ***
2292 dnl **************
2293
2294 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2295
2296 if test "x$enable_dtrace" = "xyes"; then
2297    if test "x$has_dtrace" = "xno"; then
2298           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2299    fi
2300    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2301    if test "x$DTRACE" = "xno"; then
2302           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2303           enable_dtrace=no
2304    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2305           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2306           enable_dtrace=no
2307    fi
2308 fi
2309
2310 dtrace_g=no
2311 if test "x$enable_dtrace" = "xyes"; then
2312         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2313         DTRACEFLAGS=
2314         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2315                 case "$host" in
2316                         powerpc-*-darwin*)
2317                         DTRACEFLAGS="-arch ppc64"
2318                         ;;
2319                         i*86-*-darwin*)
2320                         DTRACEFLAGS="-arch x86_64"
2321                         ;;
2322                         *)
2323                         DTRACEFLAGS=-64
2324                         ;;
2325                 esac
2326         else
2327                 case "$host" in
2328                         powerpc-*-darwin*)
2329                         DTRACEFLAGS="-arch ppc"
2330                         ;;
2331                         i*86-*-darwin*)
2332                         DTRACEFLAGS="-arch i386"
2333                         ;;
2334                         *)
2335                         DTRACEFLAGS=-32
2336                         ;;
2337                 esac
2338         fi
2339         AC_SUBST(DTRACEFLAGS)
2340         case "$host" in
2341                 *-*-solaris*)
2342                 dtrace_g=yes
2343                 ;;
2344         esac
2345         AC_CHECK_HEADERS([sys/sdt.h])
2346 fi
2347 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2348 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2349
2350 dnl **************
2351 dnl ***  NaCl  ***
2352 dnl **************
2353
2354 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2355 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2356
2357 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2358
2359 dnl
2360 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2361 dnl
2362 nacl_self_host=""
2363 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2364    nacl_self_host="nacl_self_host"
2365 fi
2366 AC_SUBST(nacl_self_host)
2367
2368 if test "x$enable_nacl_codegen" = "xyes"; then
2369    MONO_NACL_ALIGN_MASK_OFF=1
2370    AC_DEFINE(TARGET_NACL, 1, [...])
2371    AC_DEFINE(__native_client_codegen__, 1, [...])
2372 else
2373    MONO_NACL_ALIGN_MASK_OFF=0
2374    AC_DEFINE(__default_codegen__, 1, [...])
2375 fi
2376 if test "x$enable_nacl_gc" = "xyes"; then
2377    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2378       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2379    else
2380       # Not yet implemented
2381       INSTRUMENT_CFLAG=""
2382    fi
2383    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2384 fi
2385 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2386
2387 dnl **************
2388 dnl ***  LLVM  ***
2389 dnl **************
2390
2391 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2392 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2393 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2394
2395 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2396
2397 if test "x$enable_llvm" = "xyes"; then
2398    if test "x$with_llvm" != "x"; then
2399           LLVM_CONFIG=$with_llvm/bin/llvm-config
2400           if test ! -x $LLVM_CONFIG; then
2401                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2402       fi
2403    else
2404       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2405       if test "x$LLVM_CONFIG" = "xno"; then
2406              AC_MSG_ERROR([llvm-config not found.])
2407       fi
2408    fi
2409
2410    llvm_codegen="x86codegen"
2411    case "$target" in
2412    arm*)
2413                 llvm_codegen="armcodegen"
2414                 ;;
2415    esac
2416
2417    # The output of --cflags seems to include optimizations flags too
2418    LLVM_CFLAGS=`$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'`
2419    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2420    # from LLVM classes.
2421    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2422    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2423    if test "x$host" != "x$target"; then
2424       # No need for jit libs
2425       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2426    else
2427       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2428    fi
2429    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2430
2431    expected_llvm_version="3.3svn-mono/2c9642d"
2432
2433    # Should be something like '2.6' or '2.7svn'
2434    llvm_version=`$LLVM_CONFIG --version`
2435    major_version=`echo $llvm_version | cut -c 1`
2436    minor_version=`echo $llvm_version | cut -c 3`
2437    AC_MSG_CHECKING(LLVM version)
2438    AC_MSG_RESULT($llvm_version)
2439    if echo $llvm_version | grep -q 'mono'; then
2440           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2441           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"       
2442           if test "x$enable_llvm_version_check" == "xyes"; then
2443                  if test "$llvm_version" != "$expected_llvm_version"; then
2444                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2445                  fi
2446           fi
2447    else
2448           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.])
2449    fi
2450
2451    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2452    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2453    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2454
2455    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2456    # llvm's config.h
2457    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2458
2459    AC_SUBST(LLVM_CFLAGS)
2460    AC_SUBST(LLVM_CXXFLAGS)
2461    AC_SUBST(LLVM_LIBS)
2462    AC_SUBST(LLVM_LDFLAGS)
2463    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2464 fi
2465
2466 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2467 if test "x$enable_loadedllvm" = "xyes"; then
2468    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2469 fi
2470 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2471
2472 TARGET="unknown"
2473 ACCESS_UNALIGNED="yes"
2474
2475 JIT_SUPPORTED=no
2476 INTERP_SUPPORTED=no
2477 LIBC="libc.so.6"
2478 INTL="libc.so.6"
2479 SQLITE="libsqlite.so.0"
2480 SQLITE3="libsqlite3.so.0"
2481 X11="libX11.so"
2482
2483 sizeof_register="SIZEOF_VOID_P"
2484
2485 jit_wanted=true
2486 interp_wanted=false
2487 sgen_supported=false
2488 case "$host" in
2489         mips*)
2490                 TARGET=MIPS;
2491                 arch_target=mips;
2492                 sgen_supported=true
2493                 ACCESS_UNALIGNED="no"
2494                 JIT_SUPPORTED=yes
2495
2496                 AC_MSG_CHECKING(for mips n32)
2497                 AC_TRY_COMPILE([],[
2498                 #if _MIPS_SIM != _ABIN32
2499                 #error Not mips n32
2500                 #endif
2501                 return 0;
2502                 ],[
2503                 AC_MSG_RESULT(yes)
2504                 sizeof_register=8
2505                 ],[
2506                 AC_MSG_RESULT(no)
2507                 ])
2508                 ;;
2509         i*86-*-*)
2510                 TARGET=X86;
2511                 arch_target=x86;
2512                 JIT_SUPPORTED=yes
2513                 case $host_os in
2514                   solaris*)
2515                         LIBC="libc.so"
2516                         INTL="libintl.so"
2517                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2518                                 TARGET=AMD64
2519                                 arch_target=amd64
2520                         fi
2521
2522                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2523                         # int astruct __attribute__ ((visibility ("hidden")));
2524                         # void foo ()
2525                         # {
2526                         #       void *p = &astruct;
2527                         # }
2528                         # gcc -fPIC --shared -o libfoo.so foo.c
2529                         # yields:
2530                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2531                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2532                         have_visibility_hidden=no
2533                         sgen_supported=true
2534                         ;;
2535                   mingw*|cygwin*)
2536                         sgen_supported=true
2537                         have_visibility_hidden=no                 
2538                         ;;
2539                   haiku*)
2540                         LIBC=libroot.so
2541                         ;;
2542                   linux*)
2543                         sgen_supported=true
2544                         AOT_SUPPORTED="yes"
2545                         ;;
2546                   darwin*)
2547                         sgen_supported=true
2548                         AOT_SUPPORTED="yes"
2549                         ;;
2550                   darwin*|openbsd*|freebsd*)
2551                         sgen_supported=true
2552                         ;;
2553                 esac
2554                 ;;
2555         x86_64-*-* | amd64-*-*)
2556                 TARGET=AMD64;
2557                 arch_target=amd64;
2558                 JIT_SUPPORTED=yes
2559                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2560                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2561                         sizeof_register=8
2562                 fi
2563                 case $host_os in
2564                   linux*)
2565                         sgen_supported=true
2566                         AOT_SUPPORTED="yes"
2567                         ;;
2568                   darwin*|openbsd*|freebsd*)
2569                         sgen_supported=true
2570                         ;;
2571                 esac
2572                 case "$host" in
2573                         x86_64-*-nacl*)
2574                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2575                                 sizeof_register=8
2576                                 ;;
2577                 esac
2578                 ;;
2579         ia64-*-*)
2580                 TARGET=IA64
2581                 arch_target=ia64
2582                 ACCESS_UNALIGNED="no"
2583                 JIT_SUPPORTED=yes
2584                 LIBC="libc.so.6.1"
2585                 INTL="libc.so.6.1"
2586                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2587                 libmono_ldflags="-lunwind"
2588                 ;;
2589         sparc*-*-*)
2590                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2591                    TARGET=SPARC64
2592                 else
2593                         TARGET=SPARC
2594                 fi
2595                 arch_target=sparc;
2596                 JIT_SUPPORTED=yes
2597                 ACCESS_UNALIGNED="no"
2598                 case $host_os in
2599                   linux*) ;;
2600                   *)
2601                         LIBC="libc.so"
2602                         INTL="libintl.so"
2603                 esac
2604                 if test x"$GCC" = xyes; then
2605                         # We don't support v8 cpus
2606                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2607                 fi
2608                 if test x"$AR" = xfalse; then
2609                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2610                 fi
2611                 sgen_supported=true
2612                 ;;
2613         *-mingw*|*-*-cygwin*)
2614                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2615                 have_visibility_hidden=no
2616                 INTL="intl"
2617                 ;;
2618         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2619         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2620                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2621                         TARGET=POWERPC64;
2622                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2623                         CFLAGS="$CFLAGS -mminimal-toc"
2624                 else
2625                         TARGET=POWERPC;
2626                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2627                 fi
2628                 arch_target=ppc;
2629                 JIT_SUPPORTED=yes
2630                 case $host_os in
2631                   linux*|darwin*)
2632                         sgen_supported=true
2633                         ;;
2634                 esac
2635                 ;;
2636         arm*-darwin*)
2637                 TARGET=ARM;
2638                 arch_target=arm;
2639                 ACCESS_UNALIGNED="no"
2640                 JIT_SUPPORTED=yes
2641                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2642                 # libgc's gc_locks.h depends on this
2643             CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC"
2644                 sgen_supported=true
2645                 ;;
2646         arm*-linux*)
2647                 TARGET=ARM;
2648                 arch_target=arm;
2649                 ACCESS_UNALIGNED="no"
2650                 JIT_SUPPORTED=yes
2651                 sgen_supported=true
2652                 AOT_SUPPORTED="yes"
2653                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2654                 ;;
2655 # TODO: make proper support for NaCl host.
2656 #        arm*-*nacl)
2657 #               TARGET=ARM;
2658 #               arch_target=arm;
2659 #               ACCESS_UNALIGNED="no"
2660 #               JIT_SUPPORTED=yes
2661 #               sgen_supported=true
2662 #               AOT_SUPPORTED="no"
2663 #               ;;
2664         s390x-*-linux*)
2665                 TARGET=S390X;
2666                 arch_target=s390x;
2667                 ACCESS_UNALIGNED="yes"
2668                 JIT_SUPPORTED=yes
2669                 sgen_supported=true
2670                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2671                 ;;
2672 esac
2673
2674 HOST=$TARGET
2675
2676 if test "x$host" != "x$target"; then
2677    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2678    enable_mcs_build=no
2679    case "$target" in
2680    arm*-darwin*)
2681                 TARGET=ARM;
2682                 arch_target=arm;
2683                 ACCESS_UNALIGNED="no"
2684                 JIT_SUPPORTED=yes
2685                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2686                 jit_wanted=true
2687                 # Can't use tls, since it depends on the runtime detection of tls offsets
2688                 # in mono-compiler.h
2689                 with_tls=pthread
2690                 ;;
2691    powerpc64-ps3-linux-gnu)
2692                 TARGET=POWERPC64
2693                 arch_target=powerpc64
2694                 AC_DEFINE(TARGET_PS3, 1, [...])
2695                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2696                 # uses this define
2697                 AC_DEFINE(__mono_ppc64__, 1, [...])
2698                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2699                 sizeof_register=8
2700                 target_byte_order=G_BIG_ENDIAN
2701                 ;;
2702
2703    powerpc64-xbox360-linux-gnu)
2704                 TARGET=POWERPC64
2705                 arch_target=powerpc64
2706                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2707                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2708                 # uses this define
2709                 sizeof_register=8
2710                 target_byte_order=G_BIG_ENDIAN
2711                 ;;
2712    x86_64-*-nacl)
2713                 TARGET=AMD64
2714                 arch_target=amd64
2715                 AC_DEFINE(TARGET_AMD64, 1, [...])
2716                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2717                 sizeof_register=8
2718                 ;;
2719 # TODO: make proper support for NaCl target.
2720 #   arm*-*nacl)
2721 #               TARGET=ARM
2722 #               arch_target=arm
2723 #               AC_DEFINE(TARGET_ARM, 1, [...])
2724 #               ACCESS_UNALIGNED="no"
2725 #               JIT_SUPPORTED=yes
2726 #               sizeof_register=4
2727 #               CPPFLAGS="$CPPFLAGS \
2728 #                    -D__ARM_EABI__ \
2729 #                    -D__arm__ \
2730 #                    -D__portable_native_client__ \
2731 #                    -Dtimezone=_timezone \
2732 #                    -DDISABLE_SOCKETS \
2733 #                    -DDISABLE_ATTACH \
2734 #                    -DUSE_NEWLIB"
2735 #               jit_wanted=true
2736                 # Can't use tls, since it depends on the runtime detection of tls offsets
2737                 # in mono-compiler.h
2738 #               with_tls=pthread
2739 #               ;;
2740    i686-*-nacl)
2741                 TARGET=X86
2742                 arch_target=x86
2743                 AC_DEFINE(TARGET_X86, 1, [...])
2744                 sizeof_register=4
2745                 ;;
2746    arm*-linux-*)
2747                 TARGET=ARM;
2748                 arch_target=arm;
2749                 AC_DEFINE(TARGET_ARM, 1, [...])
2750                 ACCESS_UNALIGNED="no"
2751                 JIT_SUPPORTED=yes
2752                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2753                 jit_wanted=true
2754                 # Can't use tls, since it depends on the runtime detection of tls offsets
2755                 # in mono-compiler.h
2756                 with_tls=pthread
2757                 target_mach=no
2758                 case "$target" in
2759                 armv7l-unknown-linux-gnueabi*)
2760                         # TEGRA
2761                         CPPFLAGS="$CPPFLAGS"
2762                         ;;
2763                 armv5-*-linux-androideabi*)
2764                         AC_DEFINE(TARGET_ANDROID, 1, [...])
2765                         CPPFLAGS="$CPPFLAGS"
2766                         ;;
2767                 esac
2768                 ;;
2769         *)
2770                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2771         esac
2772 fi
2773
2774 case "$TARGET" in
2775 X86)
2776         AC_DEFINE(TARGET_X86, 1, [...])
2777         ;;
2778 AMD64)
2779         AC_DEFINE(TARGET_AMD64, 1, [...])
2780         ;;
2781 ARM)
2782         AC_DEFINE(TARGET_ARM, 1, [...])
2783         ;;
2784 POWERPC)
2785         AC_DEFINE(TARGET_POWERPC, 1, [...])
2786         ;;
2787 POWERPC64)
2788         AC_DEFINE(TARGET_POWERPC, 1, [...])
2789         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2790         ;;
2791 S390X)
2792         AC_DEFINE(TARGET_S390X, 1, [...])
2793         ;;
2794 MIPS)
2795         AC_DEFINE(TARGET_MIPS, 1, [...])
2796         ;;
2797 IA64)
2798         AC_DEFINE(TARGET_IA64, 1, [...])
2799         ;;
2800 SPARC)
2801         AC_DEFINE(TARGET_SPARC, 1, [...])
2802         ;;
2803 SPARC64)
2804         AC_DEFINE(TARGET_SPARC64, 1, [...])
2805         ;;
2806 esac
2807
2808 dnl Use GCC atomic ops if they work on the target.
2809 if test x$GCC = "xyes"; then
2810         case $TARGET in
2811         X86 | AMD64 | ARM | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
2812                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
2813                 ;;
2814         esac
2815 fi
2816
2817 if test "x$target_mach" = "xyes"; then
2818    if test "x$TARGET" = "xARM"; then
2819           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2820           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2821           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2822    else
2823        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2824        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2825        #error fail this for ios
2826        #endif
2827        return 0;
2828        ], [
2829                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2830           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2831           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2832        ], [
2833           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2834           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2835           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2836        ])
2837         fi
2838    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2839 fi
2840
2841 if test "x$sizeof_register" = "x4"; then
2842    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2843 elif test "x$sizeof_register" = "x8"; then
2844    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2845 else
2846    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2847 fi
2848
2849 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2850    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2851 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2852    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2853 else
2854    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2855 fi
2856
2857 if test "x$have_visibility_hidden" = "xyes"; then
2858    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2859 fi
2860
2861 if test "x$have_deprecated" = "xyes"; then
2862    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2863 fi
2864
2865 dnl 
2866 dnl Simple Generational checks (sgen)
2867 dnl
2868 if $sgen_supported; then
2869    build_sgen_default=yes
2870 else
2871    build_sgen_default=no
2872 fi
2873 SGEN_DEFINES=
2874 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2875 if test x$buildsgen = xyes; then
2876    if $sgen_supported; then
2877        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2878        gc_msg="sgen and $gc_msg"
2879    else
2880        buildsgen=no
2881        AC_MSG_WARN("Sgen is not supported on this platform")
2882    fi
2883 fi
2884 AC_SUBST(SGEN_DEFINES)
2885 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2886
2887 USEJIT=false
2888 if test x$JIT_SUPPORTED = xyes; then
2889    if $jit_wanted; then
2890       USEJIT=true
2891       jit_status="Building and using the JIT"
2892    else
2893       if $interp_wanted; then
2894          jit_status="Building the JIT, defaulting to the interpreter"
2895       else
2896          AC_ERROR(No JIT or interpreter support available or selected.)
2897       fi
2898    fi
2899 else
2900    if test x$interp_wanted = xtrue; then
2901       jit_status="interpreter"
2902    else
2903       AC_ERROR(No JIT or interpreter support available or selected.)
2904    fi
2905 fi
2906
2907 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2908
2909 libsuffix=".so"
2910
2911 case "$host" in
2912      *-*-darwin*)
2913         libsuffix=".dylib"
2914         LIBC="libc.dylib"
2915         INTL="libintl.dylib"
2916         SQLITE="libsqlite.0.dylib"
2917         SQLITE3="libsqlite3.0.dylib"
2918         X11="libX11.dylib"
2919         ;;
2920      *-*-*netbsd*)
2921         LIBC="libc.so.12"
2922         INTL="libintl.so.0"
2923         ;;
2924     *-*-*freebsd*)
2925         LIBC="libc.so"
2926         INTL="libintl.so"
2927         SQLITE="libsqlite.so"
2928         SQLITE3="libsqlite3.so"
2929         ;;
2930     *-*-*openbsd*)
2931         LIBC="libc.so"
2932         INTL="libintl.so"
2933         SQLITE="libsqlite.so"
2934         SQLITE3="libsqlite3.so"
2935         ;;
2936     *-*-*linux*)
2937         AC_PATH_X
2938         AC_MSG_CHECKING(for the soname of libX11.so)
2939         for i in $x_libraries /usr/lib /usr/lib64; do
2940                 for r in 4 5 6; do
2941                         if test -f $i/libX11.so.$r; then
2942                                 X11=libX11.so.$r
2943                                 AC_MSG_RESULT($X11)
2944                         fi
2945                 done
2946         done
2947         
2948         if test "x$X11" = "xlibX11.so"; then
2949                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2950                 X11=libX11.so.6
2951         fi
2952         ;;
2953 esac
2954
2955
2956 AC_SUBST(libsuffix)
2957
2958 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2959         if test "x$with_tls" = "x__thread"; then
2960                 #
2961                 # On some linux distributions, TLS works in executables, but linking 
2962                 # against a shared library containing TLS fails with:
2963                 # undefined reference to `__tls_get_addr'
2964                 #
2965                 rm -f conftest.c conftest.so conftest
2966                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
2967                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2968                 $CC -o conftest conftest.so > /dev/null 2>&1
2969                 if test ! -f conftest; then
2970                    AC_MSG_WARN([Disabling usage of __thread.]);
2971                    with_tls=pthread
2972                 fi
2973                 rm -f conftest.c conftest.so conftest
2974         fi
2975 fi
2976
2977 mono_debugger_supported=no
2978 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
2979 if test "x$try_mono_debugger" = "xyes"; then
2980         if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xS390x"; then
2981                 if test x$use_included_gc = xyes; then
2982                         case "$host" in
2983                         *-*-*linux*)
2984                                 mono_debugger_supported=yes
2985                                 ;;
2986                         *86-apple-darwin*)
2987                                 mono_debugger_supported=yes
2988                                 ;;              
2989                         esac
2990                 fi
2991         fi
2992 fi
2993
2994 # disable the debugger entirely when building with moonlight
2995 if test "x$with_moonlight" != "xno"; then
2996         mono_debugger_supported=no
2997 fi
2998
2999 # mdb support for sgen is broken, disable it until further notice.
3000 mono_debugger_supported=no
3001
3002 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
3003 if test "x$mono_debugger_supported" = "xyes"; then
3004         BOEHM_DEFINES="$BOEHM_DEFINES -DMONO_DEBUGGER_SUPPORTED"
3005         CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DMONO_DEBUGGER_SUPPORTED"
3006 fi
3007 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
3008 AC_MSG_RESULT($mono_debugger_supported)
3009
3010 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3011 if test "x$icall_symbol_map" = "xyes"; then
3012    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3013 fi
3014
3015 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3016 if test "x$icall_export" = "xyes"; then
3017    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3018 fi
3019
3020 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3021 if test "x$icall_tables" = "xno"; then
3022    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3023 fi
3024
3025 if test "x$with_tls" = "x__thread"; then
3026         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3027         # Pass the information to libgc
3028         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3029         AC_MSG_CHECKING(if the tls_model attribute is supported)
3030         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3031                 ], [
3032                         AC_MSG_RESULT(yes)
3033                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3034                 ], [
3035                         AC_MSG_RESULT(no)
3036         ])
3037 fi
3038
3039 if test ${TARGET} = ARM; then
3040         dnl ******************************************
3041         dnl *** Check to see what FPU is available ***
3042         dnl ******************************************
3043         AC_MSG_CHECKING(which FPU to use)
3044
3045         #
3046         # This is a bit tricky:
3047         #
3048         # if (__ARM_PCS_VFP) {
3049         #       /* mfloat-abi=hard == VFP with hard ABI */
3050         # } elif (!__SOFTFP__) {
3051         #       /* mfloat-abi=softfp == VFP with soft ABI */
3052         # } else {
3053         #       /* mfloat-abi=soft == no VFP */
3054         # }
3055         #
3056         # The exception is iOS (w/ GCC) where none of the above
3057         # are defined (but iOS always uses the 'softfp' ABI).
3058         #
3059         # No support for FPA.
3060         #
3061
3062         fpu=NONE
3063
3064         # iOS GCC always uses the 'softfp' ABI.
3065         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3066                 fpu=VFP
3067         fi
3068
3069         # Are we using the 'hard' ABI?
3070         if test x$fpu = xNONE; then
3071                 AC_TRY_COMPILE([], [
3072                         #ifndef __ARM_PCS_VFP
3073                         #error "Float ABI is not 'hard'"
3074                         #endif
3075                         return 0;
3076                 ], [
3077                         fpu=VFP_HARD
3078                 ], [
3079                         fpu=NONE
3080                 ])
3081         fi
3082
3083         # No 'hard' ABI. 'soft' or 'softfp'?
3084         if test x$fpu = xNONE; then
3085                 AC_TRY_COMPILE([], [
3086                         #ifdef __SOFTFP__
3087                         #error "Float ABI is not 'softfp'"
3088                         #endif
3089                         return 0;
3090                 ], [
3091                         fpu=VFP
3092                 ], [
3093                         fpu=NONE
3094                 ])
3095         fi
3096
3097         AC_MSG_RESULT($fpu)
3098         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3099         unset fpu
3100
3101         dnl *********************************************
3102         dnl *** Check which ARM version(s) we can use ***
3103         dnl *********************************************
3104         AC_MSG_CHECKING(which ARM version to use)
3105
3106         AC_TRY_COMPILE([], [
3107                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3108                 #error Not on ARM v5.
3109                 #endif
3110                 return 0;
3111         ], [
3112                 arm_v5=yes
3113         ], [])
3114
3115         AC_TRY_COMPILE([], [
3116                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3117                 #error Not on ARM v6.
3118                 #endif
3119                 return 0;
3120         ], [
3121                 arm_v5=yes
3122                 arm_v6=yes
3123         ], [])
3124
3125         AC_TRY_COMPILE([], [
3126                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3127                 #error Not on ARM v7.
3128                 #endif
3129                 return 0;
3130         ], [
3131                 arm_v5=yes
3132                 arm_v6=yes
3133                 arm_v7=yes
3134         ], [])
3135
3136         if test x$arm_v5 = xyes; then
3137                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3138                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3139         fi
3140
3141         if test x$arm_v6 = xyes; then
3142                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3143                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3144         fi
3145
3146         if test x$arm_v7 = xyes; then
3147                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3148                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3149         fi
3150 fi
3151
3152 if test ${TARGET} = ARM; then
3153         if test "x${with_jumptables}" = "xyes"; then
3154                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3155         fi
3156 fi
3157
3158 if test ${TARGET} = unknown; then
3159         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3160         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3161 fi
3162
3163 if test ${ACCESS_UNALIGNED} = no; then
3164         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3165 fi
3166
3167 case "x$gc" in
3168         xincluded)
3169                 # Pass CPPFLAGS to libgc configure
3170                 # We should use a separate variable for this to avoid passing useless and
3171                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3172                 # This should be executed late so we pick up the final version of CPPFLAGS
3173                 # The problem with this approach, is that during a reconfigure, the main
3174                 # configure scripts gets invoked with these arguments, so we use separate
3175                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3176                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3177                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3178                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3179                 fi
3180                 # Don't pass -finstrument-for-thread-suspension in, 
3181                 # if these are instrumented it will be very bad news 
3182                 # (infinite recursion, undefined parking behavior, etc)
3183                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3184                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3185                 AC_CONFIG_SUBDIRS(libgc)
3186                 ;;
3187 esac
3188
3189 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
3190 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
3191 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
3192 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3193 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3194 AC_ARG_WITH(mobile,    [  --with-mobile=yes,no            If you want to build the Mobile assemblies (defaults to no)],        [], [with_mobile=no])
3195
3196 OPROFILE=no
3197 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3198         if test x$with_oprofile != xno; then
3199             oprofile_include=$with_oprofile/include
3200             if test ! -f $oprofile_include/opagent.h; then
3201                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3202                 fi
3203             OPROFILE=yes
3204                 OPROFILE_CFLAGS="-I$oprofile_include"
3205             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3206             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3207         fi
3208 ])
3209
3210 MALLOC_MEMPOOLS=no
3211 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3212         if test x$with_malloc_mempools = xyes; then
3213                 MALLOC_MEMPOOLS=yes
3214                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3215         fi
3216 ])
3217
3218
3219 DISABLE_MCS_DOCS=no
3220 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3221         if test x$with_mcs_docs != xyes; then
3222                 DISABLE_MCS_DOCS=yes
3223         fi
3224 ])
3225 if test x$with_profile4 != xyes; then
3226         DISABLE_MCS_DOCS=yes
3227 fi
3228
3229 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)],[
3230         if test x$with_lazy_gc_thread_creation != xno ; then
3231                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3232         fi
3233 ], [with_lazy_gc_thread_creation=no])
3234
3235 AC_CHECK_HEADER([malloc.h], 
3236                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3237                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3238
3239 if test x"$GCC" = xyes; then
3240         # Implicit function declarations are not 64 bit safe
3241         # Do this late, since this causes lots of configure tests to fail
3242         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3243         # jay has a lot of implicit declarations
3244         JAY_CFLAGS="-Wno-implicit-function-declaration"
3245 fi
3246
3247 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3248 # instead of libmono-static.a
3249 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3250    LIBMONO_LA=libmini-static.la
3251 else
3252    if test x$buildsgen = xyes; then
3253       LIBMONO_LA=libmonosgen-$API_VER.la
3254    else
3255       LIBMONO_LA=libmonoboehm-$API_VER.la
3256    fi
3257 fi
3258 AC_SUBST(LIBMONO_LA)
3259
3260 dnl
3261 dnl Consistency settings
3262 dnl
3263 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3264    DISABLE_MCS_DOCS=yes
3265    with_profile2=no
3266    with_profile4=no
3267    with_profile4_5=no
3268    with_monodroid=no
3269    with_monotouch=no
3270 fi
3271
3272 if test x$DISABLE_MCS_DOCS = xyes; then
3273    docs_dir=""
3274 else
3275    docs_dir=docs
3276 fi
3277 AC_SUBST(docs_dir)
3278
3279 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3280 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3281
3282 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3283 AC_SUBST(OPROFILE_CFLAGS)
3284 AC_SUBST(OPROFILE_LIBS)
3285
3286 libmono_ldflags="$libmono_ldflags $LIBS"
3287
3288 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3289 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3290 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3291 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3292 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3293 AM_CONDITIONAL(INSTALL_MOBILE, [test "x$with_mobile" = xyes])
3294 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3295
3296 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3297 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3298 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3299 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3300 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3301 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3302 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3303 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3304 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3305 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3306 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3307 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3308 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3309 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3310 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3311 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3312
3313 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3314 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3315 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3316
3317 AC_SUBST(LIBC)
3318 AC_SUBST(INTL)
3319 AC_SUBST(SQLITE)
3320 AC_SUBST(SQLITE3)
3321 AC_SUBST(X11)
3322 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3323 AC_SUBST(arch_target)
3324 AC_SUBST(CFLAGS)
3325 AC_SUBST(CPPFLAGS)
3326 AC_SUBST(LDFLAGS)
3327
3328 mono_build_root=`pwd`
3329 AC_SUBST(mono_build_root)
3330
3331 if test x$USEJIT = xtrue; then
3332   mono_runtime=mono/mini/mono
3333 else
3334   mono_runtime=mono/interpreter/mint
3335 fi
3336 AC_SUBST(mono_runtime)
3337
3338 mono_cfg_root=$mono_build_root/runtime
3339 if test x$host_win32 = xyes; then
3340   if test "x$cross_compiling" = "xno"; then
3341     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3342   else
3343     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3344   fi
3345 else
3346   mono_cfg_dir=$mono_cfg_root/etc
3347 fi
3348 AC_SUBST(mono_cfg_dir)
3349
3350 AC_CONFIG_FILES([po/mcs/Makefile.in])
3351
3352 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3353 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3354
3355 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3356 [   depth=../../../..
3357     case $srcdir in
3358     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3359     .) reldir=$depth ;;
3360     *) reldir=$depth/$srcdir ;;
3361     esac
3362     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3363     cd runtime/etc/mono/1.0
3364     rm -f machine.config
3365     $LN_S $reldir/data/net_1_1/machine.config machine.config
3366     cd $depth
3367 ],[LN_S='$LN_S'])
3368
3369 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3370 [   depth=../../../..
3371     case $srcdir in
3372     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3373     .) reldir=$depth ;;
3374     *) reldir=$depth/$srcdir ;;
3375     esac
3376     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3377     cd runtime/etc/mono/2.0
3378     rm -f machine.config
3379     $LN_S $reldir/data/net_2_0/machine.config machine.config
3380     cd $depth
3381 ],[LN_S='$LN_S'])
3382
3383 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3384 [   depth=../../../..
3385     case $srcdir in
3386     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3387     .) reldir=$depth ;;
3388     *) reldir=$depth/$srcdir ;;
3389     esac
3390     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3391     cd runtime/etc/mono/2.0
3392     rm -f web.config
3393     $LN_S $reldir/data/net_2_0/web.config web.config
3394     cd $depth
3395 ],[LN_S='$LN_S'])
3396
3397 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3398 [   depth=../../..
3399     case $srcdir in
3400     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3401     .) reldir=$depth ;;
3402     *) reldir=$depth/$srcdir ;;
3403     esac
3404     $ac_aux_dir/install-sh -d runtime/etc/mono/
3405     cd runtime/etc/mono/
3406     rm -f browscap.ini
3407     $LN_S $reldir/data/browscap.ini browscap.ini
3408     cd $depth
3409 ],[LN_S='$LN_S'])
3410
3411 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3412 [   depth=../../../../..
3413     case $srcdir in
3414     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3415     .) reldir=$depth ;;
3416     *) reldir=$depth/$srcdir ;;
3417     esac
3418     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3419     cd runtime/etc/mono/2.0/Browsers
3420     rm -f Compat.browser
3421     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3422     cd $depth
3423 ],[LN_S='$LN_S'])
3424
3425 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3426 [   depth=../../../../..
3427     case $srcdir in
3428     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3429     .) reldir=$depth ;;
3430     *) reldir=$depth/$srcdir ;;
3431     esac
3432     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3433     cd runtime/etc/mono/4.0/Browsers
3434     rm -f Compat.browser
3435     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3436     cd $depth
3437 ],[LN_S='$LN_S'])
3438
3439 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3440 [   depth=../../../../..
3441     case $srcdir in
3442     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3443     .) reldir=$depth ;;
3444     *) reldir=$depth/$srcdir ;;
3445     esac
3446     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3447     cd runtime/etc/mono/4.5/Browsers
3448     rm -f Compat.browser
3449     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3450     cd $depth
3451 ],[LN_S='$LN_S'])
3452
3453 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3454 [   depth=../../../..
3455     case $srcdir in
3456     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3457     .) reldir=$depth ;;
3458     *) reldir=$depth/$srcdir ;;
3459     esac
3460     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3461     cd runtime/etc/mono/4.0
3462     rm -f machine.config
3463     $LN_S $reldir/data/net_4_0/machine.config machine.config
3464     cd $depth
3465 ],[LN_S='$LN_S'])
3466
3467 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3468 [   depth=../../../..
3469     case $srcdir in
3470     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3471     .) reldir=$depth ;;
3472     *) reldir=$depth/$srcdir ;;
3473     esac
3474     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3475     cd runtime/etc/mono/4.0
3476     rm -f web.config
3477     $LN_S $reldir/data/net_4_0/web.config web.config
3478     cd $depth
3479 ],[LN_S='$LN_S'])
3480
3481 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3482 [   depth=../../../..
3483     case $srcdir in
3484     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3485     .) reldir=$depth ;;
3486     *) reldir=$depth/$srcdir ;;
3487     esac
3488     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3489     cd runtime/etc/mono/4.5
3490     rm -f machine.config
3491     $LN_S $reldir/data/net_4_5/machine.config machine.config
3492     cd $depth
3493 ],[LN_S='$LN_S'])
3494
3495 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3496 [   depth=../../../..
3497     case $srcdir in
3498     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3499     .) reldir=$depth ;;
3500     *) reldir=$depth/$srcdir ;;
3501     esac
3502     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3503     cd runtime/etc/mono/4.5
3504     rm -f web.config
3505     $LN_S $reldir/data/net_4_5/web.config web.config
3506     cd $depth
3507 ],[LN_S='$LN_S'])
3508
3509 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])
3510
3511 AC_OUTPUT([
3512 Makefile
3513 mono-core.spec
3514 mono-uninstalled.pc
3515 scripts/mono-find-provides
3516 scripts/mono-find-requires
3517 mono/Makefile
3518 mono/utils/Makefile
3519 mono/metadata/Makefile
3520 mono/dis/Makefile
3521 mono/cil/Makefile
3522 mono/arch/Makefile
3523 mono/arch/x86/Makefile
3524 mono/arch/amd64/Makefile
3525 mono/arch/ppc/Makefile
3526 mono/arch/sparc/Makefile
3527 mono/arch/s390x/Makefile
3528 mono/arch/arm/Makefile
3529 mono/arch/ia64/Makefile
3530 mono/arch/mips/Makefile
3531 mono/interpreter/Makefile
3532 mono/tests/Makefile
3533 mono/tests/tests-config
3534 mono/tests/assemblyresolve/Makefile
3535 mono/tests/cas/Makefile
3536 mono/tests/cas/assembly/Makefile
3537 mono/tests/cas/demand/Makefile
3538 mono/tests/cas/inheritance/Makefile
3539 mono/tests/cas/linkdemand/Makefile
3540 mono/tests/cas/threads/Makefile
3541 mono/tests/gc-descriptors/Makefile
3542 mono/benchmark/Makefile
3543 mono/monograph/Makefile
3544 mono/io-layer/Makefile
3545 mono/mini/Makefile
3546 mono/profiler/Makefile
3547 m4/Makefile
3548 ikvm-native/Makefile
3549 scripts/Makefile
3550 man/Makefile
3551 docs/Makefile
3552 data/Makefile
3553 data/net_2_0/Makefile
3554 data/net_4_0/Makefile
3555 data/net_4_5/Makefile
3556 data/net_2_0/Browsers/Makefile
3557 data/net_4_0/Browsers/Makefile
3558 data/net_4_5/Browsers/Makefile
3559 data/mint.pc
3560 data/mono-2.pc
3561 data/monosgen-2.pc
3562 data/mono.pc
3563 data/mono-cairo.pc
3564 data/mono-nunit.pc
3565 data/mono-options.pc
3566 data/mono-lineeditor.pc
3567 data/monodoc.pc
3568 data/mono.web.pc
3569 data/dotnet.pc
3570 data/dotnet35.pc
3571 data/wcf.pc
3572 data/cecil.pc
3573 data/system.web.extensions_1.0.pc
3574 data/system.web.extensions.design_1.0.pc
3575 data/system.web.mvc.pc
3576 data/system.web.mvc2.pc
3577 data/system.web.mvc3.pc
3578 data/aspnetwebstack.pc
3579 data/reactive.pc
3580 samples/Makefile
3581 support/Makefile
3582 data/config
3583 tools/Makefile
3584 tools/locale-builder/Makefile
3585 tools/sgen/Makefile
3586 runtime/Makefile
3587 msvc/Makefile
3588 po/Makefile
3589 ])
3590
3591 # Update all submodules recursively to ensure everything is checked out
3592 $srcdir/scripts/update_submodules
3593
3594 if test x$host_win32 = xyes; then
3595    # Get rid of 'cyg' prefixes in library names
3596    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3597    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3598    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3599    # executable doesn't work...
3600    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3601 fi
3602
3603 if test x$platform_darwin = xyes; then
3604    # This doesn't seem to be required and it slows down parallel builds
3605    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3606 fi
3607
3608 (
3609   case $prefix in
3610   NONE) prefix=$ac_default_prefix ;;
3611   esac
3612   case $exec_prefix in
3613   NONE) exec_prefix='${prefix}' ;;
3614   esac
3615
3616   #
3617   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3618   # any existing config.make.  This allows people to share the same source tree
3619   # with different build directories, one native and one cross
3620   #
3621   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3622
3623     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3624
3625     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3626     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3627     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3628     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3629     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3630     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3631     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3632     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3633
3634     case $INSTALL in
3635     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3636     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3637     esac
3638
3639     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3640
3641     export VERSION
3642     [myver=$($AWK 'BEGIN {
3643       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3644       if(length(vsplit [1]) > 4) {
3645         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3646       }
3647       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3648     }')]
3649
3650     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3651
3652     if test x$platform_darwin = xyes; then
3653       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3654     fi
3655
3656         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3657            enable_system_aot=yes
3658         fi
3659
3660         if test "x$enable_loadedllvm" = "xyes"; then
3661            # This seems to fail on the x86 buildbots
3662            enable_system_aot=no
3663         fi
3664
3665     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3666       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3667     fi
3668
3669     if test x$DISABLE_MCS_DOCS = xyes; then
3670       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3671     fi
3672
3673     if test x$has_extension_module != xno; then
3674         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3675     fi
3676
3677         default_profile=net_2_0
3678     if test -z "$INSTALL_4_0_TRUE"; then :
3679                 default_profile=net_4_0
3680     fi
3681     if test -z "$INSTALL_MONODROID_TRUE"; then :
3682                 default_profile=monodroid
3683     fi
3684     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3685                 default_profile=monotouch
3686     fi
3687     if test -z "$INSTALL_4_5_TRUE"; then :
3688                 default_profile=net_4_5
3689     fi
3690     
3691     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3692     
3693     if test "x$test_bcl_opt" = "xyes"; then    
3694       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3695     fi
3696
3697   fi
3698
3699   # if we have an olive folder, override the default settings
3700   if test -d $olivedir; then
3701
3702     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3703
3704       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3705
3706       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3707       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3708       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3709       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3710       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3711       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3712     fi
3713   fi
3714
3715 )
3716
3717 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3718
3719 echo "
3720         mcs source:    $mcsdir
3721
3722    Engine:
3723         GC:            $gc_msg 
3724         TLS:           $with_tls
3725         SIGALTSTACK:   $with_sigaltstack
3726         Engine:        $jit_status
3727         oprofile:      $OPROFILE
3728         BigArrays:     $enable_big_arrays
3729         DTrace:        $enable_dtrace
3730         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3731
3732    Libraries:
3733         .NET 2.0/3.5:  $with_profile2
3734         .NET 4.0:      $with_profile4
3735         .NET 4.5:      $with_profile4_5
3736         MonoDroid:     $with_monodroid
3737         MonoTouch:     $with_monotouch
3738         JNI support:   $jdk_headers_found
3739         libgdiplus:    $libgdiplus_msg
3740         zlib:          $zlib_msg
3741         $disabled
3742 "
3743 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3744    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3745 fi