Merge pull request #1298 from esdrubal/uploadfileasync
[mono.git] / configure.ac
1 # Process this file with autoconf to produce a configure script.
2 #AC_PREREQ([2.62])
3
4 AC_INIT(mono, [3.10.1],
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 #
40 # libgc defaults
41 #
42 libgc_configure_args=
43
44 if test -d $srcdir/libgc ; then
45   libgc_default=included
46 else
47   libgc_default=boehm
48 fi
49
50 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
51 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
52 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
53 CFLAGS_FOR_LIBGC=$CFLAGS
54 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
55 CFLAGS_FOR_EGLIB=$CFLAGS
56
57 # libgc uses some deprecated APIs
58 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
59
60 #
61 # These are the flags that need to be stored in the mono.pc file for 
62 # compiling code that will embed Mono
63 #
64 libmono_cflags=""
65 libmono_ldflags=""
66 AC_SUBST(libmono_cflags)
67 AC_SUBST(libmono_ldflags)
68
69 # Variable to have relocatable .pc files (lib, or lib64)
70 reloc_libdir=`basename ${libdir}`
71 AC_SUBST(reloc_libdir)
72
73 dnl if linker handles the version script
74 no_version_script=no
75
76 # Set to yes if Unix sockets cannot be created in an anonymous namespace
77 need_link_unlink=no
78
79 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
80 extra_runtime_ldflags=""
81
82 # Thread configuration inspired by sleepycat's db
83 AC_MSG_CHECKING([host platform characteristics])
84 libgc_threads=no
85 has_dtrace=no
86 parallel_mark=yes
87 ikvm_native=yes
88
89 case "$host" in
90         powerpc*-*-linux*)
91                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
92                 disable_munmap=yes
93         ;;
94 esac
95
96 host_win32=no
97 target_win32=no
98 platform_android=no
99 platform_darwin=no
100 case "$host" in
101         *-mingw*|*-*-cygwin*)
102                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
103                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
104                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
105                 host_win32=yes
106                 mono_cv_clang=no
107                 if test "x$cross_compiling" = "xno"; then
108                         target_win32=yes
109                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
110                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
111                         fi
112                 else
113                         target_win32=yes
114                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
115                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
116                 fi
117                 HOST_CC="gcc"
118                 # Windows XP SP2 is required
119                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0502 -D_WIN32_WINNT=0x0502 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
120                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
121                 libmono_cflags="-mms-bitfields -mwindows"
122                 libmono_ldflags="-mms-bitfields -mwindows"
123                 libdl=
124                 libgc_threads=win32
125                 libgc_default=included
126                 with_sigaltstack=no
127                 with_tls=pthread
128                 LN_S=cp
129                 # This forces libgc to use the DllMain based thread registration code on win32
130                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
131                 ;;
132         *-*-*netbsd*)
133                 host_win32=no
134                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
135                 libmono_cflags="-D_REENTRANT"
136                 LDFLAGS="$LDFLAGS -pthread"
137                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
138                 libmono_ldflags="-pthread"
139                 need_link_unlink=yes
140                 libdl="-ldl"
141                 libgc_threads=pthreads
142                 with_sigaltstack=no
143                 use_sigposix=yes
144                 ;;
145         *-*-kfreebsd*-gnu)
146                 host_win32=no
147                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
148                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
149                 libmono_ldflags="-lpthread -pthread"
150                 libdl="-ldl"
151                 libgc_threads=pthreads
152                 need_link_unlink=yes
153                 with_sigaltstack=no
154                 use_sigposix=yes
155                 ;;
156         *-*-*freebsd*)
157                 host_win32=no
158                 if test "x$PTHREAD_CFLAGS" = "x"; then
159                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
160                         libmono_cflags=
161                 else
162                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
163                         libmono_cflags="$PTHREAD_CFLAGS"
164                 fi
165                 if test "x$PTHREAD_LIBS" = "x"; then
166                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
167                         libmono_ldflags="-pthread"
168                 else
169                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
170                         libmono_ldflags="$PTHREAD_LIBS"
171                 fi
172                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
173                 need_link_unlink=yes
174                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
175                 libdl=
176                 libgc_threads=pthreads
177                 use_sigposix=yes
178                 has_dtrace=yes
179                 ;;
180         *-*-*openbsd*)
181                 host_win32=no
182                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
183                 if test "x$disable_munmap" != "xyes"; then
184                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
185                 fi
186                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
187                 LDFLAGS="$LDFLAGS -pthread"
188                 need_link_unlink=yes
189                 AC_DEFINE(PTHREAD_POINTER_ID)
190                 libdl=
191                 libgc_default=boehm
192                 libgc_threads=pthreads
193                 with_sigaltstack=no
194                 use_sigposix=yes
195                 ;;
196         *-*-linux-android*)
197                 host_win32=no
198                 platform_android=yes
199                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
200                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
201
202                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
203                 if test "x$disable_munmap" != "xyes"; then
204                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
205                 fi
206                 libmono_cflags="-D_REENTRANT"
207                 libdl="-ldl"
208                 libgc_threads=pthreads
209                 use_sigposix=yes
210
211                 with_tls=pthread
212                 with_sigaltstack=no
213                 with_static_mono=no
214
215                 # Android doesn't support boehm, as it's missing <link.h>
216                 support_boehm=no
217                 with_gc=sgen
218
219                 # isinf(3) requires -lm; see isinf check below
220                 LDFLAGS="$LDFLAGS -lm"
221
222                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
223                 # PAGE_SIZE; breaks mono/io-layer/collection.c
224                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
225                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
226                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
227
228                 # The configure check can't detect this
229                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
230
231                 # to bypass the underscore linker check, can't work when cross-compiling
232                 mono_cv_uscore=yes
233                 mono_cv_clang=no
234                 ;;
235         *-*-linux*)
236                 host_win32=no
237                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
238                 if test "x$disable_munmap" != "xyes"; then
239                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
240                 fi
241                 libmono_cflags="-D_REENTRANT"
242                 libdl="-ldl"
243                 libgc_threads=pthreads
244                 use_sigposix=yes
245                 if test "x$cross_compiling" != "xno"; then
246                         # to bypass the underscore linker check, not
247                         # available during cross-compilation
248                         mono_cv_uscore=no
249                 fi
250                 case "$host" in
251                 aarch64-*)
252                         support_boehm=no
253                         with_gc=sgen
254                         ;;
255                 esac
256                 ;;
257         *-*-nacl*)
258                 host_win32=no
259                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
260                 if test "x$disable_munmap" != "xyes"; then
261                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
262                 fi
263                 libmono_cflags="-D_REENTRANT"
264                 libdl=
265                 libgc_threads=pthreads
266                 libgc_default=boehm
267                 use_sigposix=yes
268                 ikvm_native=no
269                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
270                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
271                 ;;
272         *-*-hpux*)
273                 host_win32=no
274                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
275                 # +ESdbgasm only valid on bundled cc on RISC
276                 # silently ignored for ia64
277                 if test $GCC != "yes"; then
278                         CFLAGS="$CFLAGS +ESdbgasm"
279                         # Arrange for run-time dereferencing of null
280                         # pointers to produce a SIGSEGV signal.
281                         LDFLAGS="$LDFLAGS -z"
282                 fi
283                 CFLAGS="$CFLAGS +ESdbgasm"
284                 LDFLAGS="$LDFLAGS -z"
285                 libmono_cflags="-D_REENTRANT"
286                 libmono_ldflags="-lpthread"
287                 libgc_threads=pthreads
288                 need_link_unlink=yes
289                 use_sigposix=yes
290                 ;;
291         *-*-solaris*)
292                 host_win32=no
293                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
294                 need_link_unlink=yes
295                 libmono_cflags="-D_REENTRANT"
296                 libgc_threads=pthreads
297                 # This doesn't seem to work on solaris/x86, but the configure test runs
298                 with_tls=pthread
299                 has_dtrace=yes
300                 use_sigposix=yes
301                 enable_solaris_tar_check=yes
302                 ;;
303         *-*-darwin*)
304                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
305                 host_win32=no
306                 platform_darwin=yes
307                 target_mach=yes
308                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
309                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
310                 libmono_cflags="-D_THREAD_SAFE"
311                 need_link_unlink=yes
312                 AC_DEFINE(PTHREAD_POINTER_ID)
313                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
314                 no_version_script=yes
315                 libdl=
316                 libgc_threads=pthreads
317                 has_dtrace=yes
318                 if test "x$cross_compiling" = "xyes"; then
319                         has_broken_apple_cpp=yes
320                 fi
321                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
322                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
323                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
324                 case "$host" in
325                         dnl Snow Leopard and newer config.guess reports as this
326                         i*86-*-darwin*)
327                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
328                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
329                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
330                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
331                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
332                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
333                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
334                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
335                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
336                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
337                                 ;;
338                         x*64-*-darwin*)
339                                 ;;
340                         arm*-darwin*)
341                                 has_dtrace=no
342                                 ;;                      
343                 esac
344                 ;;
345         *-*-haiku*)
346                 host_win32=no
347                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
348                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
349                 libdl=
350                 LIBS="$LIBS -lnetwork"
351                 need_link_unlink=yes
352                 AC_DEFINE(PTHREAD_POINTER_ID)
353                 libgc_threads=pthreads
354                 use_sigposix=yes
355                 ;;
356         *)
357                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
358                 host_win32=no
359                 libdl="-ldl"
360                 ;;
361 esac
362 AC_MSG_RESULT(ok)
363
364 if test x$need_link_unlink = xyes; then
365    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
366 fi
367
368 AC_SUBST(extra_runtime_ldflags)
369 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
370 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
371 AM_CONDITIONAL(PLATFORM_GNU, echo x$target_os | grep -q -- -gnu)
372 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
373 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
374 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
375 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
376
377 AC_CHECK_TOOL(CC, gcc, gcc)
378 AC_PROG_CC
379 AC_CHECK_TOOL(CXX, g++, g++)
380 AC_PROG_CXX
381 AM_PROG_AS
382 AC_PROG_INSTALL
383 AC_PROG_AWK
384 AM_PROG_CC_C_O
385 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
386 : ${CCAS='$(CC)'}
387 # Set ASFLAGS if not already set.
388 : ${CCASFLAGS='$(CFLAGS)'}
389 AC_SUBST(CCAS)
390 AC_SUBST(CCASFLAGS)
391
392 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
393 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
394 if test "x$CXX" = "xg++"; then
395         if test "x$GXX" != "xyes"; then
396                 # automake/libtool is so broken, it requires g++ even if the c++ sources
397                 # are inside automake conditionals
398                 AC_MSG_ERROR([You need to install g++])
399         fi
400 fi
401
402 dnl may require a specific autoconf version
403 dnl AC_PROG_CC_FOR_BUILD
404 dnl CC_FOR_BUILD not automatically detected
405 CC_FOR_BUILD=$CC
406 CFLAGS_FOR_BUILD=$CFLAGS
407 BUILD_EXEEXT=
408 if test "x$cross_compiling" = "xyes"; then
409         CC_FOR_BUILD=cc
410         CFLAGS_FOR_BUILD=
411         BUILD_EXEEXT=""
412 fi
413 AC_SUBST(CC_FOR_BUILD)
414 AC_SUBST(CFLAGS_FOR_BUILD)
415 AC_SUBST(HOST_CC)
416 AC_SUBST(BUILD_EXEEXT)
417
418 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
419 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
420
421 # Set STDC_HEADERS
422 AC_HEADER_STDC
423 AC_LIBTOOL_WIN32_DLL
424 # This causes monodis to not link correctly
425 #AC_DISABLE_FAST_INSTALL
426 AM_PROG_LIBTOOL
427 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
428 DOLT
429
430 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
431 AC_SUBST(export_ldflags)
432
433 # Test whenever ld supports -version-script
434 AC_PROG_LD
435 AC_PROG_LD_GNU
436 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
437    no_version_script=yes
438 fi
439
440 AM_ICONV()
441
442 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
443
444 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)
445 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)
446 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
447                   [], [], [#include <stddef.h>
448                   #include <sys/socket.h>
449                   #include <linux/socket.h>])
450
451 AC_CHECK_HEADERS(sys/user.h, [], [],
452 [
453 #ifdef HAVE_SYS_PARAM_H
454 # include <sys/param.h>
455 #endif
456 ])
457
458 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
459 if test x$have_zlib = xyes; then
460    AC_TRY_COMPILE([#include <zlib.h>], [
461    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
462    return 0;
463    #else
464    #error No good zlib found
465    #endif
466    ],[
467         AC_MSG_RESULT(Using system zlib)
468         zlib_msg="system zlib"
469         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
470    ],[
471         AC_MSG_RESULT(Using embedded zlib)
472         have_zlib=no
473         zlib_msg="bundled zlib"
474    ])
475 fi
476
477 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
478 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
479
480 # for mono/metadata/debug-symfile.c
481 AC_CHECK_HEADERS(elf.h)
482
483 # for support
484 AC_CHECK_HEADERS(poll.h)
485 AC_CHECK_HEADERS(sys/poll.h)
486 AC_CHECK_HEADERS(sys/wait.h)
487 AC_CHECK_HEADERS(grp.h)
488 AC_CHECK_HEADERS(syslog.h)
489
490 # for mono/dis
491 AC_CHECK_HEADERS(wchar.h)
492 AC_CHECK_HEADERS(ieeefp.h)
493 AC_MSG_CHECKING(for isinf)
494 AC_TRY_LINK([#include <math.h>], [
495         int f = isinf (1.0);
496 ], [
497         AC_MSG_RESULT(yes)
498         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
499 ], [
500         # We'll have to use signals
501         AC_MSG_RESULT(no)
502 ])
503 # mingw
504 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
505         AC_TRY_LINK([#include <math.h>], 
506         [ _finite(0.0); ], 
507         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
508         AC_MSG_RESULT(no)))
509
510 # for Linux statfs support
511 AC_CHECK_HEADERS(linux/magic.h)
512
513 # not 64 bit clean in cross-compile
514 AC_CHECK_SIZEOF(void *, 4)
515
516 AC_CACHE_CHECK([for clang],
517         mono_cv_clang,[
518         AC_TRY_COMPILE([], [
519                 #ifdef __clang__
520                 #else
521                 #error "FAILED"
522                 #endif
523                 return 0;
524         ],
525         [mono_cv_clang=yes],
526         [mono_cv_clang=no],
527         [])
528 ])
529
530 WARN=''
531 if test x"$GCC" = xyes; then
532         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
533                 # The runtime code does not respect ANSI C strict aliasing rules
534                 CFLAGS="$CFLAGS -fno-strict-aliasing"
535
536                 # We rely on signed overflow to behave
537                 CFLAGS="$CFLAGS -fwrapv"
538
539                 ORIG_CFLAGS=$CFLAGS
540                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
541                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
542                 AC_TRY_COMPILE([],[
543                                 return 0;
544                 ], [
545                    AC_MSG_RESULT(yes)
546                 ], [
547                    AC_MSG_RESULT(no)
548                    CFLAGS=$ORIG_CFLAGS
549                 ])
550
551                 ORIG_CFLAGS=$CFLAGS
552                 # Check for the normal version, since gcc ignores unknown -Wno options
553                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
554                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
555                 AC_TRY_COMPILE([],[
556                                 return 0;
557                 ], [
558                    AC_MSG_RESULT(yes)
559                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
560                 ], [
561                    AC_MSG_RESULT(no)
562                    CFLAGS=$ORIG_CFLAGS
563                 ])
564
565                 if test "x$mono_cv_clang" = "xyes"; then
566                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
567                    WARN="$WARN -Qunused-arguments"
568                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign"
569                 fi
570 else
571         # The Sun Forte compiler complains about inline functions that access static variables
572         # so disable all inlining.
573         case "$host" in
574         *-*-solaris*)
575                 CFLAGS="$CFLAGS -Dinline="
576                 ;;
577         esac
578 fi
579 CFLAGS="$CFLAGS -g $WARN"
580 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
581
582 # Where's the 'mcs' source tree?
583 if test -d $srcdir/mcs; then
584   mcsdir=mcs
585 else
586   mcsdir=../mcs
587 fi
588
589 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
590         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
591                 mcsdir=$with_mcs_path
592         fi
593 )
594
595 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
596
597 #
598 # A sanity check to catch cases where the package was unpacked
599 # with an ancient tar program (Solaris)
600 #
601 AC_ARG_ENABLE(solaris-tar-check,
602 [  --disable-solaris-tar-check    disable solaris tar check],
603    do_solaris_tar_check=no, do_solaris_tar_check=yes)
604
605 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
606         AC_MSG_CHECKING(integrity of package)
607         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
608         then
609                 AC_MSG_RESULT(ok)
610         else
611                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
612                 AC_MSG_ERROR([$errorm])
613         fi
614 fi
615
616 if test "x$with_mcs_path" != "x"; then
617 mcs_topdir=$(cd "$mcsdir" && pwd)
618 mcs_topdir_from_srcdir=$mcs_topdir
619 else
620 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
621 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
622 fi
623
624 # Convert mcs_topdir* paths to Windows syntax.
625 if test x$cross_compiling$host_win32 = xnoyes; then
626   mcs_topdir=$(cygpath -m $mcs_topdir)
627   case $mcs_topdir_from_srcdir in
628     /cygdrive/*)
629         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
630         ;;
631   esac
632 fi
633
634 AC_SUBST([mcs_topdir])
635 AC_SUBST([mcs_topdir_from_srcdir])
636
637 # Where's the 'olive' source tree?
638 if test -d $srcdir/olive; then
639   olivedir=olive
640 else
641   olivedir=../olive
642 fi
643
644 if test -d $srcdir/$olivedir; then
645 olive_topdir='$(top_srcdir)/'$olivedir
646 fi
647
648 # gettext: prepare the translation directories. 
649 # we do not configure the full gettext, as we consume it dynamically from C#
650 AM_PO_SUBDIRS
651
652 if test "x$USE_NLS" = "xyes"; then
653    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
654
655    if test "x$HAVE_MSGFMT" = "xno"; then
656           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
657    fi
658 fi
659
660 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
661
662 pkg_config_path=
663 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
664         if test x$with_crosspkgdir = "x"; then
665                 if test -s $PKG_CONFIG_PATH; then
666                         pkg_config_path=$PKG_CONFIG_PATH
667                 fi
668         else
669                 pkg_config_path=$with_crosspkgdir
670                 PKG_CONFIG_PATH=$pkg_config_path
671                 export PKG_CONFIG_PATH
672         fi
673 )
674
675 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
676 if test x$werror_flag = xyes; then
677         WERROR_CFLAGS="-Werror"
678 fi
679 AC_SUBST([WERROR_CFLAGS])
680
681 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
682 AC_CONFIG_SUBDIRS(eglib)
683
684 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
685 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
686 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
687 BUILD_GLIB_LIBS="$GLIB_LIBS"
688 GMODULE_CFLAGS="$GLIB_CFLAGS"
689 GMODULE_LIBS="$GLIB_LIBS"
690   
691 AC_SUBST(GLIB_CFLAGS)
692 AC_SUBST(GLIB_LIBS)
693 AC_SUBST(GMODULE_CFLAGS)
694 AC_SUBST(GMODULE_LIBS)
695 AC_SUBST(BUILD_GLIB_CFLAGS)
696 AC_SUBST(BUILD_GLIB_LIBS)
697
698 # Enable support for fast thread-local storage
699 # Some systems have broken support, so we allow to disable it.
700 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
701
702 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
703 # This does not work on some platforms (bug #55253)
704 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
705
706 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
707 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
708 # Same as --with-shared_mono=no
709 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
710
711 if test "x$enable_static" = "xno"; then
712    with_static_mono=no
713 fi
714
715 if test "x$enable_shared" = "xno"; then
716    with_shared_mono=no
717 fi
718
719 if test "x$enable_libraries" = "xno"; then
720    with_shared_mono=no
721 fi
722
723 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
724
725 case $host in
726 *nacl* ) with_shared_mono=yes;;
727 esac
728
729 if test "x$host_win32" = "xyes"; then
730    # Boehm GC requires the runtime to be in its own dll
731    with_static_mono=no
732 fi
733
734 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
735 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
736 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
737
738 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
739 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
740         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
741         ORIG_CFLAGS=$CFLAGS
742         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
743         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
744         AC_TRY_COMPILE([], [
745                 return 0;
746         ], [
747            AC_MSG_RESULT(yes)
748            # Pass it to libgc as well
749            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
750         ], [
751            AC_MSG_RESULT(no)
752            CFLAGS=$ORIG_CFLAGS
753         ])
754 fi
755
756 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
757
758 if test x$enable_small_config = xyes; then
759         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
760         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
761 fi
762
763 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=$enableval, enable_system_aot=default)
764
765 DISABLED_FEATURES=none
766
767 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
768      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
769      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
770          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying, shared_handles.],
771 [
772         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
773                 eval "mono_feature_disable_$feature='yes'"
774         done
775         DISABLED_FEATURES=$enable_minimal
776         disabled="Disabled:      $enable_minimal"
777 ],[])
778
779 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
780
781 if test "x$mono_feature_disable_aot" = "xyes"; then
782         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
783         AC_MSG_NOTICE([Disabled AOT compiler])
784 fi
785
786 if test "x$mono_feature_disable_profiler" = "xyes"; then
787         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
788         AC_MSG_NOTICE([Disabled support for the profiler])
789 fi
790 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
791
792 if test "x$mono_feature_disable_decimal" = "xyes"; then
793         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
794         AC_MSG_NOTICE([Disabled support for decimal])
795 fi
796
797 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
798         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
799         AC_MSG_NOTICE([Disabled support for P/Invoke])
800 fi
801
802 if test "x$mono_feature_disable_debug" = "xyes"; then
803         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
804         AC_MSG_NOTICE([Disabled support for runtime debugging])
805 fi
806
807 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
808         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
809         mono_feature_disable_reflection_emit_save=yes
810         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
811 fi
812
813 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
814         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
815         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
816 fi
817
818 if test "x$mono_feature_disable_large_code" = "xyes"; then
819         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
820         AC_MSG_NOTICE([Disabled support for large assemblies])
821 fi
822
823 if test "x$mono_feature_disable_logging" = "xyes"; then
824         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
825         AC_MSG_NOTICE([Disabled support for logging])
826 fi
827
828 if test "x$mono_feature_disable_com" = "xyes"; then
829         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
830         AC_MSG_NOTICE([Disabled COM support])
831 fi
832
833 if test "x$mono_feature_disable_ssa" = "xyes"; then
834         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
835         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
836 fi
837
838 if test "x$mono_feature_disable_generics" = "xyes"; then
839         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
840         AC_MSG_NOTICE([Disabled Generics Support])
841 fi
842
843 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
844         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
845         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
846 fi
847
848 if test "x$mono_feature_disable_portability" = "xyes"; then
849         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
850         AC_MSG_NOTICE([Disabled IO Portability layer])
851 fi
852
853 if test "x$mono_feature_disable_attach" = "xyes"; then
854         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
855         AC_MSG_NOTICE([Disabled agent attach])
856 fi
857
858 if test "x$mono_feature_disable_full_messages" = "xyes"; then
859         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
860         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
861 fi
862
863 if test "x$mono_feature_disable_verifier" = "xyes"; then
864         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
865         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
866 fi
867
868 if test "x$mono_feature_disable_jit" = "xyes"; then
869         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
870         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
871 fi
872
873 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
874
875 if test "x$mono_feature_disable_simd" = "xyes"; then
876         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
877         AC_MSG_NOTICE([Disabled SIMD support])
878 fi
879
880 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
881         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
882         AC_MSG_NOTICE([Disabled Soft Debugger.])
883 fi
884
885 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
886         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
887         AC_MSG_NOTICE([Disabled Performance Counters.])
888 fi
889 if test "x$mono_feature_disable_normalization" = "xyes"; then
890         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
891         AC_MSG_NOTICE([Disabled String normalization support.])
892 fi
893
894 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
895         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
896         AC_MSG_NOTICE([Disabled Assembly remapping.])
897 fi
898
899 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
900         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
901         AC_MSG_NOTICE([Disabled Shared perfcounters.])
902 fi
903
904 if test "x$mono_feature_disable_appdomains" = "xyes"; then
905         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
906         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
907 fi
908
909 if test "x$mono_feature_disable_remoting" = "xyes"; then
910         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
911         AC_MSG_NOTICE([Disabled remoting])
912 fi
913
914 if test "x$mono_feature_disable_security" = "xyes"; then
915         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
916         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
917 fi
918
919 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
920         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
921         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
922 fi
923
924 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
925         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
926         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
927 fi
928
929 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
930         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
931         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
932 fi
933
934 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
935         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
936         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
937 fi
938
939 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
940         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
941         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
942 fi
943
944 if test "x$mono_feature_disable_shared_handles" = "xyes"; then
945         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
946         AC_SUBST(DISABLE_SHARED_HANDLES)
947 fi
948
949 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
950 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
951
952 has_extension_module=no
953 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
954 [
955         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
956                 if test x$extension = xdefault ; then
957                         has_extension_module=yes;
958                 fi
959         done
960         if test x$enable_extension_module = xyes; then
961                 has_extension_module=yes;
962         fi
963 ], [])
964
965 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
966
967 if test x$has_extension_module != xno ; then
968         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
969         AC_MSG_NOTICE([Enabling mono extension module.])
970 fi
971
972 AC_ARG_ENABLE(gsharing, [  --enable-gsharing Enable gsharing], enable_gsharing=$enableval, enable_gsharing=no)
973 if test x$enable_gsharing = xyes; then
974         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharing])
975 fi
976
977 AC_ARG_ENABLE(native-types, [  --enable-native-types Enable native types], enable_native_types=$enableval, enable_native_types=no)
978 if test x$enable_native_types = xyes; then
979         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
980 fi
981
982 AC_MSG_CHECKING(for visibility __attribute__)
983 AC_COMPILE_IFELSE([
984         AC_LANG_SOURCE([[
985                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
986                 int main () { doit (); return 0; }
987         ]])
988 ], [
989    have_visibility_hidden=yes
990    AC_MSG_RESULT(yes)
991 ], [
992    have_visibility_hidden=no
993    AC_MSG_RESULT(no)
994 ])
995
996 AC_MSG_CHECKING(for deprecated __attribute__)
997 AC_TRY_COMPILE([
998      int doit (void) __attribute__ ((deprecated));
999      int doit (void) { return 0; }
1000 ], [
1001         return 0;
1002 ], [
1003    have_deprecated=yes
1004    AC_MSG_RESULT(yes)
1005 ], [
1006    have_deprecated=no
1007    AC_MSG_RESULT(no)
1008 ])
1009
1010 dnl
1011 dnl Boehm GC configuration
1012 dnl
1013
1014 AC_ARG_WITH(libgc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=$libgc_default])
1015
1016 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1017 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1018
1019 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1020 if test x$enable_parallel_mark = xyes; then
1021         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1022 fi
1023
1024 gc_headers=no
1025 gc_msg=""
1026 use_included_gc=no
1027 LIBGC_CPPFLAGS=
1028 LIBGC_LIBS=
1029 LIBGC_STATIC_LIBS=
1030 libgc_dir=
1031 case "x$libgc" in
1032         xboehm|xbohem|xyes)
1033                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
1034                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
1035
1036                 if test "x$found_boehm" != "xyes"; then
1037                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
1038                 fi
1039                 if test "x$gc_headers" != "xyes"; then
1040                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
1041                 fi
1042
1043                 LIBGC_LIBS="-lgc $libdl"
1044                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
1045                 libmono_ldflags="$libmono_ldflags -lgc"
1046                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1047
1048                 # AC_CHECK_FUNCS does not work for some reason...
1049                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1050                 if test "x$found_gcj_malloc" = "xyes"; then
1051                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1052                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1053                         gc_msg="System Boehm with typed GC"
1054                 else
1055                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1056                         gc_msg="System Boehm (without typed GC)"
1057                 fi
1058                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1059                 if test "x$found_gc_enable" = "xyes"; then
1060                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1061                 fi
1062
1063                 # check whether we need to explicitly allow
1064                 # thread registering
1065                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1066                 if test "x$found_allow_register_threads" = "xyes"; then
1067                    AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1068                 fi
1069                 ;;
1070
1071         xincluded)
1072                 use_included_gc=yes
1073                 if test "x$support_boehm" = "xyes"; then
1074                         libgc_dir=libgc
1075                 fi
1076
1077                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1078                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1079                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1080
1081                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1082
1083                 if test x$target_win32 = xyes; then
1084                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1085                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1086                 fi
1087
1088                 gc_msg="Included Boehm GC with typed GC"
1089                 if test x$enable_parallel_mark = xyes; then
1090                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1091                         gc_msg="$gc_msg and parallel mark"
1092                 else
1093                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1094                 fi
1095                 ;;
1096
1097         xsgen)
1098                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1099                 ;;
1100
1101         xnone)
1102                 AC_MSG_WARN("Compiling mono without GC.")
1103                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1104                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1105                 gc_msg="none"
1106                 ;;
1107         *)
1108                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1109                 ;;
1110 esac
1111
1112 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1113 if test "x$large_heap" = "xyes"; then
1114    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1115 fi
1116
1117 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1118 AC_SUBST(LIBGC_CPPFLAGS)
1119 AC_SUBST(LIBGC_LIBS)
1120 AC_SUBST(LIBGC_STATIC_LIBS)
1121 AC_SUBST(libgc_dir)
1122 AC_SUBST(BOEHM_DEFINES)
1123
1124 dnl
1125 dnl End of Boehm GC Configuration
1126 dnl
1127
1128 dnl *************************************
1129 dnl *** Checks for zero length arrays ***
1130 dnl *************************************
1131 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1132 AC_TRY_COMPILE([
1133         struct s {
1134                 int  length;
1135                 char data [0];
1136         };
1137 ], [], [
1138         AC_MSG_RESULT(yes)
1139         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1140 ], [
1141         AC_MSG_RESULT(no)
1142         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1143 ])
1144
1145 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1146
1147 if test x$target_win32 = xno; then
1148
1149         dnl hires monotonic clock support
1150         AC_SEARCH_LIBS(clock_gettime, rt)
1151
1152         dnl dynamic loader support
1153         AC_CHECK_FUNC(dlopen, DL_LIB="",
1154                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1155         )
1156         if test x$dl_support = xno; then
1157                 AC_MSG_WARN([No dynamic loading support available])
1158         else
1159                 LIBS="$LIBS $DL_LIB"
1160                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1161                 dnl from glib's configure.ac
1162                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1163                         mono_cv_uscore,[
1164                         AC_TRY_RUN([#include <dlfcn.h>
1165                         int mono_underscore_test (void) { return 42; }
1166                         int main() {
1167                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1168                           handle = dlopen ((void*)0, 0);
1169                           if (handle) {
1170                             f1 = dlsym (handle, "mono_underscore_test");
1171                             f2 = dlsym (handle, "_mono_underscore_test");
1172                           } return (!f2 || f1);
1173                         }],
1174                                 [mono_cv_uscore=yes],
1175                                 [mono_cv_uscore=no],
1176                         [])
1177                 ])
1178                 if test "x$mono_cv_uscore" = "xyes"; then
1179                         MONO_DL_NEED_USCORE=1
1180                 else
1181                         MONO_DL_NEED_USCORE=0
1182                 fi
1183                 AC_SUBST(MONO_DL_NEED_USCORE)
1184                 AC_CHECK_FUNC(dlerror)
1185         fi
1186
1187         dnl ******************************************************************
1188         dnl *** Checks for the IKVM JNI interface library                  ***
1189         dnl ******************************************************************
1190         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])
1191
1192         ikvm_native_dir=
1193         if test x$with_ikvm_native = xyes; then
1194                 ikvm_native_dir=ikvm-native
1195                 jdk_headers_found="IKVM Native"
1196         fi
1197
1198         AC_SUBST(ikvm_native_dir)
1199
1200         AC_CHECK_HEADERS(execinfo.h)
1201
1202         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1203
1204         AC_CHECK_FUNCS(getgrgid_r)
1205         AC_CHECK_FUNCS(getgrnam_r)
1206         AC_CHECK_FUNCS(getpwnam_r)
1207         AC_CHECK_FUNCS(getpwuid_r)
1208         AC_CHECK_FUNCS(getresuid)
1209         AC_CHECK_FUNCS(setresuid)
1210         AC_CHECK_FUNCS(kqueue)
1211         AC_CHECK_FUNCS(backtrace_symbols)
1212         AC_CHECK_FUNCS(mkstemp)
1213         AC_CHECK_FUNCS(mmap)
1214         AC_CHECK_FUNCS(madvise)
1215         AC_CHECK_FUNCS(getrusage)
1216         AC_CHECK_FUNCS(getpriority)
1217         AC_CHECK_FUNCS(setpriority)
1218         AC_CHECK_FUNCS(dl_iterate_phdr)
1219         AC_CHECK_FUNCS(dladdr)
1220         AC_CHECK_FUNCS(sysconf)
1221         AC_CHECK_FUNCS(getrlimit)
1222
1223         AC_CHECK_FUNCS(sched_setaffinity)
1224         AC_CHECK_FUNCS(sched_getcpu)
1225
1226         dnl ****************************************************************
1227         dnl *** Check for sched_setaffinity from glibc versions before   ***
1228         dnl *** 2.3.4. The older versions of the function only take 2    ***
1229         dnl *** parameters, not 3.                                       ***
1230         dnl ***                                                          ***
1231         dnl *** Because the interface change was not made in a minor     ***
1232         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1233         dnl *** won't always indicate the interface sched_affinity has.  ***
1234         dnl ****************************************************************
1235         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1236         AC_TRY_COMPILE([#include <sched.h>], [
1237             int mask = 1; 
1238             sched_setaffinity(0, &mask);
1239                         return 0;
1240         ], [
1241                 # Yes, we have it...
1242                 AC_MSG_RESULT(yes)
1243                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1244         ], [
1245                 # We have the new, three-parameter version
1246                 AC_MSG_RESULT(no)
1247         ])
1248
1249
1250         dnl ******************************************************************
1251         dnl *** Check for large file support                               ***
1252         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1253         dnl ******************************************************************
1254         
1255         # Check that off_t can represent 2**63 - 1 correctly, working around
1256         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1257         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1258         large_offt=no
1259         AC_DEFUN([LARGE_FILES], [
1260                 large_CPPFLAGS=$CPPFLAGS
1261                 CPPFLAGS="$CPPFLAGS $1"
1262                 AC_TRY_COMPILE([
1263                         #include <sys/types.h>
1264                         #include <limits.h>
1265                 ], [
1266                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1267                         #define COMPILE_TIME_ASSERT(pred) \
1268                                 switch(0){case 0:case pred:;}
1269                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1270                 ], [
1271                         AC_MSG_RESULT(ok)
1272                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1273                         large_CPPFLAGS="$large_CPPFLAGS $1"
1274                         large_offt=yes
1275                 ], [
1276                         AC_MSG_RESULT(no)
1277                 ])
1278                 CPPFLAGS=$large_CPPFLAGS
1279         ])
1280
1281         AC_MSG_CHECKING(if off_t is 64 bits wide)
1282         LARGE_FILES("")
1283         if test $large_offt = no; then
1284                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1285                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1286         fi
1287         if test $large_offt = no; then
1288                 AC_MSG_WARN([No 64 bit file size support available])
1289         fi
1290         
1291         dnl *****************************
1292         dnl *** Checks for libsocket  ***
1293         dnl *****************************
1294         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1295
1296         case "$host" in
1297                 *-*-*freebsd*)
1298                         dnl *****************************
1299                         dnl *** Checks for libinotify ***
1300                         dnl *****************************
1301                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1302         esac
1303
1304         dnl *******************************
1305         dnl *** Checks for MSG_NOSIGNAL ***
1306         dnl *******************************
1307         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1308         AC_TRY_COMPILE([#include <sys/socket.h>], [
1309                 int f = MSG_NOSIGNAL;
1310         ], [
1311                 # Yes, we have it...
1312                 AC_MSG_RESULT(yes)
1313                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1314         ], [
1315                 # We'll have to use signals
1316                 AC_MSG_RESULT(no)
1317         ])
1318
1319         dnl *****************************
1320         dnl *** Checks for IPPROTO_IP ***
1321         dnl *****************************
1322         AC_MSG_CHECKING(for IPPROTO_IP)
1323         AC_TRY_COMPILE([#include <netinet/in.h>], [
1324                 int level = IPPROTO_IP;
1325         ], [
1326                 # Yes, we have it...
1327                 AC_MSG_RESULT(yes)
1328                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1329         ], [
1330                 # We'll have to use getprotobyname
1331                 AC_MSG_RESULT(no)
1332         ])
1333
1334         dnl *******************************
1335         dnl *** Checks for IPPROTO_IPV6 ***
1336         dnl *******************************
1337         AC_MSG_CHECKING(for IPPROTO_IPV6)
1338         AC_TRY_COMPILE([#include <netinet/in.h>], [
1339                 int level = IPPROTO_IPV6;
1340         ], [
1341                 # Yes, we have it...
1342                 AC_MSG_RESULT(yes)
1343                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1344         ], [
1345                 # We'll have to use getprotobyname
1346                 AC_MSG_RESULT(no)
1347         ])
1348
1349         dnl ******************************
1350         dnl *** Checks for IPPROTO_TCP ***
1351         dnl ******************************
1352         AC_MSG_CHECKING(for IPPROTO_TCP)
1353         AC_TRY_COMPILE([#include <netinet/in.h>], [
1354                 int level = IPPROTO_TCP;
1355         ], [
1356                 # Yes, we have it...
1357                 AC_MSG_RESULT(yes)
1358                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1359         ], [
1360                 # We'll have to use getprotobyname
1361                 AC_MSG_RESULT(no)
1362         ])
1363
1364         dnl *****************************
1365         dnl *** Checks for SOL_IP     ***
1366         dnl *****************************
1367         AC_MSG_CHECKING(for SOL_IP)
1368         AC_TRY_COMPILE([#include <netdb.h>], [
1369                 int level = SOL_IP;
1370         ], [
1371                 # Yes, we have it...
1372                 AC_MSG_RESULT(yes)
1373                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1374         ], [
1375                 # We'll have to use getprotobyname
1376                 AC_MSG_RESULT(no)
1377         ])
1378
1379         dnl *****************************
1380         dnl *** Checks for SOL_IPV6     ***
1381         dnl *****************************
1382         AC_MSG_CHECKING(for SOL_IPV6)
1383         AC_TRY_COMPILE([#include <netdb.h>], [
1384                 int level = SOL_IPV6;
1385         ], [
1386                 # Yes, we have it...
1387                 AC_MSG_RESULT(yes)
1388                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1389         ], [
1390                 # We'll have to use getprotobyname
1391                 AC_MSG_RESULT(no)
1392         ])
1393
1394         dnl *****************************
1395         dnl *** Checks for SOL_TCP    ***
1396         dnl *****************************
1397         AC_MSG_CHECKING(for SOL_TCP)
1398         AC_TRY_COMPILE([#include <netdb.h>], [
1399                 int level = SOL_TCP;
1400         ], [
1401                 # Yes, we have it...
1402                 AC_MSG_RESULT(yes)
1403                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1404         ], [
1405                 # We'll have to use getprotobyname
1406                 AC_MSG_RESULT(no)
1407         ])
1408
1409         dnl *****************************
1410         dnl *** Checks for IP_PKTINFO ***
1411         dnl *****************************
1412         AC_MSG_CHECKING(for IP_PKTINFO)
1413         AC_TRY_COMPILE([#include <linux/in.h>], [
1414                 int level = IP_PKTINFO;
1415         ], [
1416                 # Yes, we have it...
1417                 AC_MSG_RESULT(yes)
1418                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1419         ], [
1420                 AC_MSG_RESULT(no)
1421         ])
1422
1423         dnl *****************************
1424         dnl *** Checks for IPV6_PKTINFO ***
1425         dnl *****************************
1426         AC_MSG_CHECKING(for IPV6_PKTINFO)
1427         AC_TRY_COMPILE([#include <netdb.h>], [
1428                 int level = IPV6_PKTINFO;
1429         ], [
1430                 # Yes, we have it...
1431                 AC_MSG_RESULT(yes)
1432                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1433         ], [
1434                 AC_MSG_RESULT(no)
1435         ])
1436
1437         dnl **********************************
1438         dnl *** Checks for IP_DONTFRAG     ***
1439         dnl **********************************
1440         AC_MSG_CHECKING(for IP_DONTFRAG)
1441         AC_TRY_COMPILE([#include <netinet/in.h>], [
1442                 int level = IP_DONTFRAG;
1443         ], [
1444                 # Yes, we have it...
1445                 AC_MSG_RESULT(yes)
1446                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1447         ], [
1448                 AC_MSG_RESULT(no)
1449         ])
1450
1451         dnl **********************************
1452         dnl *** Checks for IP_DONTFRAGMENT ***
1453         dnl **********************************
1454         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1455         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1456                 int level = IP_DONTFRAGMENT;
1457         ], [
1458                 # Yes, we have it...
1459                 AC_MSG_RESULT(yes)
1460                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1461         ], [
1462                 AC_MSG_RESULT(no)
1463         ])
1464
1465         dnl **********************************
1466         dnl *** Checks for IP_MTU_DISCOVER ***
1467         dnl **********************************
1468         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1469         AC_TRY_COMPILE([#include <linux/in.h>], [
1470                 int level = IP_MTU_DISCOVER;
1471         ], [
1472                 # Yes, we have it...
1473                 AC_MSG_RESULT(yes)
1474                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1475         ], [
1476                 AC_MSG_RESULT(no)
1477         ])
1478
1479         dnl **********************************
1480         dnl *** Checks for  IP_PMTUDISC_DO ***
1481         dnl **********************************
1482         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1483         AC_TRY_COMPILE([#include <linux/in.h>], [
1484                 int level = IP_PMTUDISC_DO;
1485         ], [
1486                 # Yes, we have it...
1487                 AC_MSG_RESULT(yes)
1488                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1489         ], [
1490                 AC_MSG_RESULT(no)
1491         ])
1492
1493         dnl *********************************
1494         dnl *** Check for struct ip_mreqn ***
1495         dnl *********************************
1496         AC_MSG_CHECKING(for struct ip_mreqn)
1497         AC_TRY_COMPILE([#include <netinet/in.h>], [
1498                 struct ip_mreqn mreq;
1499                 mreq.imr_address.s_addr = 0;
1500         ], [
1501                 # Yes, we have it...
1502                 AC_MSG_RESULT(yes)
1503                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1504         ], [
1505                 # We'll just have to try and use struct ip_mreq
1506                 AC_MSG_RESULT(no)
1507                 AC_MSG_CHECKING(for struct ip_mreq)
1508                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1509                         struct ip_mreq mreq;
1510                         mreq.imr_interface.s_addr = 0;
1511                 ], [
1512                         # Yes, we have it...
1513                         AC_MSG_RESULT(yes)
1514                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1515                 ], [
1516                         # No multicast support
1517                         AC_MSG_RESULT(no)
1518                 ])
1519         ])
1520         
1521         dnl **********************************
1522         dnl *** Check for gethostbyname2_r ***
1523         dnl **********************************
1524         AC_MSG_CHECKING(for gethostbyname2_r)
1525                 AC_TRY_LINK([#include <netdb.h>], [
1526                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1527         ], [
1528                 # Yes, we have it...
1529                 AC_MSG_RESULT(yes)
1530                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1531         ], [
1532                 AC_MSG_RESULT(no)
1533         ])
1534
1535         dnl *****************************
1536         dnl *** Checks for libnsl     ***
1537         dnl *****************************
1538         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1539
1540         AC_CHECK_FUNCS(inet_pton inet_aton)
1541
1542         dnl *****************************
1543         dnl *** Checks for libxnet    ***
1544         dnl *****************************
1545         case "${host}" in
1546                 *solaris* )
1547                         AC_MSG_CHECKING(for Solaris XPG4 support)
1548                         if test -f /usr/lib/libxnet.so; then
1549                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1550                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1551                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1552                                 LIBS="$LIBS -lxnet"
1553                                 AC_MSG_RESULT(yes)
1554                         else
1555                                 AC_MSG_RESULT(no)
1556                         fi
1557
1558                         if test "$GCC" = "yes"; then
1559                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1560                         fi
1561                 ;;
1562         esac
1563
1564         dnl *****************************
1565         dnl *** Checks for libpthread ***
1566         dnl *****************************
1567 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1568 # and libpthread does not exist
1569 #
1570         case "${host}" in
1571                 *-*-*freebsd*)
1572                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1573                 ;;
1574                 *-*-*openbsd*)
1575                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1576                 ;;
1577                 *)
1578                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1579                 ;;
1580         esac
1581         AC_CHECK_HEADERS(pthread.h)
1582         AC_CHECK_HEADERS(pthread_np.h)
1583         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1584         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1585         AC_CHECK_FUNCS(pthread_kill)
1586         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1587         AC_TRY_COMPILE([ #include <pthread.h>], [
1588                 pthread_mutexattr_t attr;
1589                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1590         ], [
1591                 AC_MSG_RESULT(ok)
1592         ], [
1593                 AC_MSG_RESULT(no)
1594                 AC_ERROR(Posix system lacks support for recursive mutexes)
1595         ])
1596         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1597         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1598         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1599
1600         dnl ***********************************
1601         dnl *** Checks for signals
1602         dnl ***********************************
1603         AC_CHECK_HEADERS(signal.h)
1604         AC_CHECK_FUNCS(sigaction)
1605
1606         dnl ***********************************
1607         dnl *** Checks for working __thread ***
1608         dnl ***********************************
1609         AC_MSG_CHECKING(for working __thread)
1610         if test "x$with_tls" != "x__thread"; then
1611                 AC_MSG_RESULT(disabled)
1612         elif test "x$cross_compiling" = "xyes"; then
1613                 AC_MSG_RESULT(cross compiling, assuming yes)
1614         else
1615                 AC_TRY_RUN([
1616                         #if defined(__APPLE__) && defined(__clang__)
1617                         #error "__thread does not currently work with clang on Mac OS X"
1618                         #endif
1619                         
1620                         #include <pthread.h>
1621                         __thread int i;
1622                         static int res1, res2;
1623
1624                         void thread_main (void *arg)
1625                         {
1626                                 i = arg;
1627                                 sleep (1);
1628                                 if (arg == 1)
1629                                         res1 = (i == arg);
1630                                 else
1631                                         res2 = (i == arg);
1632                         }
1633
1634                         int main () {
1635                                 pthread_t t1, t2;
1636
1637                                 i = 5;
1638
1639                                 pthread_create (&t1, NULL, thread_main, 1);
1640                                 pthread_create (&t2, NULL, thread_main, 2);
1641
1642                                 pthread_join (t1, NULL);
1643                                 pthread_join (t2, NULL);
1644
1645                                 return !(res1 + res2 == 2);
1646                         }
1647                 ], [
1648                                 AC_MSG_RESULT(yes)
1649                 ], [
1650                                 AC_MSG_RESULT(no)
1651                                 with_tls=pthread
1652                 ])
1653         fi
1654
1655         dnl **************************************
1656         dnl *** Checks for working sigaltstack ***
1657         dnl **************************************
1658         AC_MSG_CHECKING(for working sigaltstack)
1659         if test "x$with_sigaltstack" != "xyes"; then
1660                 AC_MSG_RESULT(disabled)
1661         elif test "x$cross_compiling" = "xyes"; then
1662                 AC_MSG_RESULT(cross compiling, assuming yes)
1663         else
1664                 AC_TRY_RUN([
1665                         #include <stdio.h>
1666                         #include <stdlib.h>
1667                         #include <unistd.h>
1668                         #include <signal.h>
1669                         #include <pthread.h>
1670                         #include <sys/wait.h>
1671                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1672                         #define SA_STACK SA_ONSTACK
1673                         #endif
1674                         static void
1675                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1676                         {
1677                                 exit (0);
1678                         }
1679
1680                         volatile char*__ptr = NULL;
1681                         static void *
1682                         loop (void *ignored)
1683                         {
1684                                 *__ptr = 0;
1685                                 return NULL;
1686                         }
1687
1688                         static void
1689                         child ()
1690                         {
1691                                 struct sigaction sa;
1692                         #ifdef __APPLE__
1693                                 stack_t sas;
1694                         #else
1695                                 struct sigaltstack sas;
1696                         #endif
1697                                 pthread_t id;
1698                                 pthread_attr_t attr;
1699
1700                                 sa.sa_sigaction = sigsegv_signal_handler;
1701                                 sigemptyset (&sa.sa_mask);
1702                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1703                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1704                                         perror ("sigaction");
1705                                         return;
1706                                 }
1707
1708                                 /* x86 darwin deliver segfaults using SIGBUS */
1709                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1710                                         perror ("sigaction");
1711                                         return;
1712                                 }
1713                                 sas.ss_sp = malloc (SIGSTKSZ);
1714                                 sas.ss_size = SIGSTKSZ;
1715                                 sas.ss_flags = 0;
1716                                 if (sigaltstack (&sas, NULL) == -1) {
1717                                         perror ("sigaltstack");
1718                                         return;
1719                                 }
1720
1721                                 pthread_attr_init (&attr);
1722                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1723                                         printf ("pthread_create\n");
1724                                         return;
1725                                 }
1726
1727                                 sleep (100);
1728                         }
1729
1730                         int
1731                         main ()
1732                         {
1733                                 pid_t son;
1734                                 int status;
1735                                 int i;
1736
1737                                 son = fork ();
1738                                 if (son == -1) {
1739                                         return 1;
1740                                 }
1741
1742                                 if (son == 0) {
1743                                         child ();
1744                                         return 0;
1745                                 }
1746
1747                                 for (i = 0; i < 300; ++i) {
1748                                         waitpid (son, &status, WNOHANG);
1749                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1750                                                 return 0;
1751                                         usleep (10000);
1752                                 }
1753
1754                                 kill (son, SIGKILL);
1755                                 return 1;
1756                         }
1757
1758                 ], [
1759                                 AC_MSG_RESULT(yes)
1760                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1761                 ], [
1762                                 with_sigaltstack=no
1763                                 AC_MSG_RESULT(no)
1764                 ])
1765         fi
1766
1767         dnl ********************************
1768         dnl *** Checks for semaphore lib ***
1769         dnl ********************************
1770         # 'Real Time' functions on Solaris
1771         # posix4 on Solaris 2.6
1772         # pthread (first!) on Linux
1773         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1774
1775         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1776         AC_CHECK_FUNCS(shm_open)
1777
1778         dnl ********************************
1779         dnl *** Checks for timezone stuff **
1780         dnl ********************************
1781         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1782                 AC_TRY_COMPILE([
1783                         #include <time.h>
1784                         ], [
1785                         struct tm tm;
1786                         tm.tm_gmtoff = 1;
1787                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1788         if test $ac_cv_struct_tm_gmtoff = yes; then
1789                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1790         else
1791                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1792                         AC_TRY_COMPILE([
1793                                 #include <time.h>
1794                         ], [
1795                                 timezone = 1;
1796                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1797                 if test $ac_cv_var_timezone = yes; then
1798                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1799                 else
1800                         AC_ERROR(unable to find a way to determine timezone)
1801                 fi
1802         fi
1803
1804         dnl *********************************
1805         dnl *** Checks for math functions ***
1806         dnl *********************************
1807         AC_SEARCH_LIBS(sqrtf, m)
1808         if test "x$has_broken_apple_cpp" != "xyes"; then
1809                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1810                         AC_TRY_LINK([#include <math.h>], 
1811                         [ finite(0.0); ], 
1812                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1813                         AC_MSG_RESULT(no)))
1814         fi
1815         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1816                 AC_TRY_LINK([#include <math.h>], 
1817                 [ isfinite(0.0); ], 
1818                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1819                 AC_MSG_RESULT(no)))
1820
1821         dnl ****************************************************************
1822         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1823         dnl *** have it in the library (duh))                            ***
1824         dnl ****************************************************************
1825         AC_CHECK_FUNCS(poll)
1826
1827         dnl *************************
1828         dnl *** Check for signbit ***
1829         dnl *************************
1830         AC_MSG_CHECKING(for signbit)
1831         AC_TRY_LINK([#include <math.h>], [
1832                 int s = signbit(1.0);
1833         ], [
1834                 AC_MSG_RESULT(yes)
1835                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1836         ], [
1837                 AC_MSG_RESULT(no)
1838         ]) 
1839
1840         dnl **********************************
1841         dnl *** epoll                      ***
1842         dnl **********************************
1843         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1844                 AC_CHECK_HEADERS(sys/epoll.h)
1845                 haveepoll=no
1846                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1847                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1848                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1849                 fi
1850         fi
1851
1852         havekqueue=no
1853
1854         AC_CHECK_HEADERS(sys/event.h)
1855         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1856
1857         dnl **************************************
1858         dnl * Darwin has a race that prevents us from using reliably:
1859         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1860         dnl * Since kqueue is mostly used for scaling large web servers, 
1861         dnl * and very few folks run Mono on large web servers on OSX, falling
1862         dnl * back 
1863         dnl **************************************
1864         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1865                 if test "x$platform_darwin" = "xno"; then
1866                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1867                 fi
1868         fi
1869
1870         dnl ******************************
1871         dnl *** Checks for SIOCGIFCONF ***
1872         dnl ******************************
1873         AC_CHECK_HEADERS(sys/ioctl.h)
1874         AC_CHECK_HEADERS(net/if.h, [], [],
1875            [
1876            #ifdef HAVE_SYS_TYPES_H
1877            # include <sys/types.h>
1878            #endif
1879            #ifdef HAVE_SYS_SOCKET_H
1880            # include <sys/socket.h>
1881            #endif
1882            ])
1883         AC_MSG_CHECKING(for ifreq)
1884         AC_TRY_COMPILE([
1885                 #include <stdio.h>
1886                 #include <sys/ioctl.h>
1887                 #include <net/if.h>
1888                 ], [
1889                 struct ifconf ifc;
1890                 struct ifreq *ifr;
1891                 void *x;
1892                 ifc.ifc_len = 0;
1893                 ifc.ifc_buf = NULL;
1894                 x = (void *) &ifr->ifr_addr;
1895                 ],[
1896                         AC_MSG_RESULT(yes)
1897                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1898                 ], [
1899                         AC_MSG_RESULT(no)
1900                 ])
1901         dnl **********************************
1902         dnl ***     Checks for sin_len     ***
1903         dnl **********************************
1904         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1905         AC_TRY_COMPILE([
1906                 #include <netinet/in.h>
1907                 ], [
1908                 struct sockaddr_in saddr;
1909                 saddr.sin_len = sizeof (saddr);
1910                 ],[
1911                         AC_MSG_RESULT(yes)
1912                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1913                 ], [
1914                         AC_MSG_RESULT(no)
1915                 ])      
1916         dnl **********************************
1917         dnl ***    Checks for sin6_len     ***
1918         dnl **********************************
1919         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1920         AC_TRY_COMPILE([
1921                 #include <netinet/in.h>
1922                 ], [
1923                 struct sockaddr_in6 saddr6;
1924                 saddr6.sin6_len = sizeof (saddr6);
1925                 ],[
1926                         AC_MSG_RESULT(yes)
1927                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1928                 ], [
1929                         AC_MSG_RESULT(no)
1930                 ])
1931         dnl **********************************
1932         dnl *** Check for getifaddrs       ***
1933         dnl **********************************
1934         AC_MSG_CHECKING(for getifaddrs)
1935                 AC_TRY_LINK([
1936                 #include <stdio.h>
1937                 #include <sys/types.h>
1938                 #include <sys/socket.h>
1939                 #include <ifaddrs.h>
1940         ], [
1941                 getifaddrs(NULL);
1942         ], [
1943                 # Yes, we have it...
1944                 AC_MSG_RESULT(yes)
1945                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1946         ], [
1947                 AC_MSG_RESULT(no)
1948         ])
1949         dnl **********************************
1950         dnl *** Check for if_nametoindex   ***
1951         dnl **********************************
1952         AC_MSG_CHECKING(for if_nametoindex)
1953                 AC_TRY_LINK([
1954                 #include <stdio.h>
1955                 #include <sys/types.h>
1956                 #include <sys/socket.h>
1957                 #include <net/if.h>
1958         ], [
1959                 if_nametoindex(NULL);
1960         ], [
1961                 # Yes, we have it...
1962                 AC_MSG_RESULT(yes)
1963                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1964         ], [
1965                 AC_MSG_RESULT(no)
1966         ])
1967                         
1968         dnl **********************************
1969         dnl *** Checks for MonoPosixHelper ***
1970         dnl **********************************
1971         AC_CHECK_HEADERS(checklist.h)
1972         AC_CHECK_HEADERS(pathconf.h)
1973         AC_CHECK_HEADERS(fstab.h)
1974         AC_CHECK_HEADERS(attr/xattr.h)
1975         AC_CHECK_HEADERS(sys/extattr.h)
1976         AC_CHECK_HEADERS(sys/sendfile.h)
1977         AC_CHECK_HEADERS(sys/statvfs.h)
1978         AC_CHECK_HEADERS(sys/statfs.h)
1979         AC_CHECK_HEADERS(sys/vfstab.h)
1980         AC_CHECK_HEADERS(sys/xattr.h)
1981         AC_CHECK_HEADERS(sys/mman.h)
1982         AC_CHECK_HEADERS(sys/param.h)
1983         AC_CHECK_HEADERS(sys/mount.h, [], [],
1984                 [
1985                 #ifdef HAVE_SYS_PARAM_H
1986                 # include <sys/param.h>
1987                 #endif
1988                 ])
1989         AC_CHECK_HEADERS(sys/mount.h)
1990         AC_CHECK_FUNCS(confstr)
1991         AC_CHECK_FUNCS(seekdir telldir)
1992         AC_CHECK_FUNCS(getdomainname)
1993         AC_CHECK_FUNCS(setdomainname)
1994         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1995         AC_CHECK_FUNCS(setgroups)
1996         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1997         AC_CHECK_FUNCS(getfsstat)
1998         AC_CHECK_FUNCS(lutimes futimes)
1999         AC_CHECK_FUNCS(mremap)
2000         AC_CHECK_FUNCS(remap_file_pages)
2001         AC_CHECK_FUNCS(posix_fadvise)
2002         AC_CHECK_FUNCS(posix_fallocate)
2003         AC_CHECK_FUNCS(posix_madvise)
2004         AC_CHECK_FUNCS(vsnprintf)
2005         AC_CHECK_FUNCS(sendfile)
2006         AC_CHECK_FUNCS(gethostid sethostid)
2007         AC_CHECK_FUNCS(sethostname)
2008         AC_CHECK_FUNCS(statfs)
2009         AC_CHECK_FUNCS(fstatfs)
2010         AC_CHECK_FUNCS(statvfs)
2011         AC_CHECK_FUNCS(fstatvfs)
2012         AC_CHECK_FUNCS(stime)
2013         AC_CHECK_FUNCS(strerror_r)
2014         AC_CHECK_FUNCS(ttyname_r)
2015         AC_CHECK_FUNCS(psignal)
2016         AC_CHECK_FUNCS(getlogin_r)
2017         AC_CHECK_FUNCS(lockf)
2018         AC_CHECK_FUNCS(swab)
2019         AC_CHECK_FUNCS(setusershell endusershell)
2020         AC_CHECK_FUNCS(futimens utimensat)
2021         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2022         AC_CHECK_FUNCS(readv writev preadv pwritev)
2023         AC_CHECK_FUNCS(setpgid)
2024         AC_CHECK_SIZEOF(size_t)
2025         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2026                 [#include <sys/types.h>
2027                  #include <sys/stat.h>
2028                  #include <unistd.h>])
2029         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2030                 [#include <sys/types.h>
2031                  #include <sys/stat.h>
2032                  #include <unistd.h>])
2033         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2034                 [#include <sys/time.h>])
2035         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2036                 [#include <unistd.h>
2037                  #include <fcntl.h>])
2038         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2039                 [#include <sys/uio.h>])
2040         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2041                 [#include <sys/poll.h>])
2042         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2043                 [#include <sys/types.h>
2044                  #include <sys/stat.h>
2045                  #include <unistd.h>])
2046         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2047                 [#include <time.h>])
2048         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2049                 [#include <sys/time.h>
2050                  #include <sys/types.h>
2051                  #include <utime.h>])
2052         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2053                 [#include <sys/time.h>])
2054         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2055                 [#include <sys/types.h>
2056                  #include <utime.h>])
2057         AC_CHECK_MEMBERS(
2058                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2059                 [#include <sys/types.h>
2060                  #include <dirent.h>])
2061         AC_CHECK_MEMBERS(
2062                 [struct passwd.pw_gecos],,, 
2063                 [#include <sys/types.h>
2064                  #include <pwd.h>])
2065         AC_CHECK_MEMBERS(
2066                 [struct statfs.f_flags],,, 
2067                 [#include <sys/types.h>
2068                  #include <sys/vfs.h>])
2069         AC_CHECK_MEMBERS(
2070                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2071                 [#include <sys/types.h>
2072                  #include <sys/stat.h>
2073                  #include <unistd.h>])
2074
2075         dnl Favour xattr through glibc, but use libattr if we have to
2076         AC_CHECK_FUNC(lsetxattr, ,
2077                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2078         )
2079         AC_SUBST(XATTR_LIB)
2080
2081         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2082         AC_CHECK_MEMBERS(
2083                 [struct kinfo_proc.kp_proc],,, 
2084                 [#include <sys/types.h>
2085                  #include <sys/param.h>
2086                  #include <sys/sysctl.h>
2087                  #include <sys/proc.h>
2088                  ])
2089
2090         dnl *********************************
2091         dnl *** Checks for Windows compilation ***
2092         dnl *********************************
2093         AC_CHECK_HEADERS(sys/time.h)
2094         AC_CHECK_HEADERS(sys/param.h)
2095         AC_CHECK_HEADERS(dirent.h)
2096
2097         dnl ******************************************
2098         dnl *** Checks for OSX and iOS compilation ***
2099         dnl ******************************************
2100         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2101
2102         dnl *********************************
2103         dnl *** Check for Console 2.0 I/O ***
2104         dnl *********************************
2105         AC_CHECK_HEADERS([curses.h])
2106         AC_CHECK_HEADERS([term.h], [], [],
2107         [#if HAVE_CURSES_H
2108          #include <curses.h>
2109          #endif
2110         ])
2111         AC_CHECK_HEADERS([termios.h])
2112
2113         dnl * This is provided in io-layer, but on windows it's only available
2114         dnl * on xp+
2115         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2116 else
2117         dnl *********************************
2118         dnl *** Checks for Windows compilation ***
2119         dnl *********************************
2120         AC_CHECK_HEADERS(winternl.h)
2121
2122         jdk_headers_found=no
2123         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2124         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2125         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2126         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2127         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2128         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2129         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2130
2131         dnl *********************************
2132         dnl *** Check for struct ip_mreqn ***
2133         dnl *********************************
2134         AC_MSG_CHECKING(for struct ip_mreqn)
2135         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2136                 struct ip_mreqn mreq;
2137                 mreq.imr_address.s_addr = 0;
2138         ], [
2139                 # Yes, we have it...
2140                 AC_MSG_RESULT(yes)
2141                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2142         ], [
2143                 # We'll just have to try and use struct ip_mreq
2144                 AC_MSG_RESULT(no)
2145                 AC_MSG_CHECKING(for struct ip_mreq)
2146                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2147                         struct ip_mreq mreq;
2148                         mreq.imr_interface.s_addr = 0;
2149                 ], [
2150                         # Yes, we have it...
2151                         AC_MSG_RESULT(yes)
2152                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2153                 ], [
2154                         # No multicast support
2155                         AC_MSG_RESULT(no)
2156                 ])
2157         ])
2158         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2159         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2160         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2161         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2162         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2163         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2164         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2165
2166         AC_MSG_CHECKING(for GetProcessId)
2167         AC_TRY_COMPILE([#include <windows.h>], [
2168                 GetProcessId (0);
2169         ], [
2170            AC_MSG_RESULT(yes)
2171            AC_DEFINE(HAVE_GETPROCESSID)
2172         ], [
2173            AC_MSG_RESULT(no)
2174         ])
2175 fi
2176
2177 dnl socklen_t check
2178 AC_MSG_CHECKING(for socklen_t)
2179 AC_TRY_COMPILE([
2180 #include <sys/types.h>
2181 #include <sys/socket.h>
2182 ],[
2183   socklen_t foo;
2184 ],[
2185 ac_cv_c_socklen_t=yes
2186         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2187         AC_MSG_RESULT(yes)
2188 ],[
2189         AC_MSG_RESULT(no)
2190 ])
2191
2192 AC_MSG_CHECKING(for array element initializer support)
2193 AC_TRY_COMPILE([#include <sys/socket.h>], [
2194         const int array[] = {[1] = 2,};
2195 ], [
2196         # Yes, we have it...
2197         AC_MSG_RESULT(yes)
2198         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2199 ], [
2200         # We'll have to use signals
2201         AC_MSG_RESULT(no)
2202 ])
2203
2204 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2205         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2206         AC_TRY_LINK([#include <math.h>], 
2207         [ static void *p = &trunc; ],
2208         [
2209                 AC_DEFINE(HAVE_TRUNC) 
2210                 AC_MSG_RESULT(yes)
2211                 ac_cv_trunc=yes
2212         ],
2213         AC_MSG_RESULT(no)))
2214
2215 if test "x$ac_cv_truncl" != "xyes"; then
2216    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2217 fi
2218
2219 AC_CHECK_FUNCS(round)
2220 AC_CHECK_FUNCS(rint)
2221 AC_CHECK_FUNCS(execvp)
2222
2223 dnl ****************************
2224 dnl *** Look for /dev/random ***
2225 dnl ****************************
2226
2227 AC_MSG_CHECKING([if usage of random device is requested])
2228 AC_ARG_ENABLE(dev-random,
2229 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2230 try_dev_random=$enableval, try_dev_random=yes)
2231
2232 AC_MSG_RESULT($try_dev_random)
2233
2234 case "{$build}" in
2235     *-openbsd*)
2236     NAME_DEV_RANDOM="/dev/srandom"
2237     ;;
2238
2239 dnl Win32 does not have /dev/random, they have their own method...
2240
2241     *-mingw*|*-*-cygwin*)
2242     ac_cv_have_dev_random=no
2243     ;;
2244
2245 dnl Everywhere else, it's /dev/random
2246
2247     *)
2248     NAME_DEV_RANDOM="/dev/random"
2249     ;;
2250 esac
2251
2252 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2253
2254 dnl Now check if the device actually exists
2255
2256 if test "x$try_dev_random" = "xyes"; then
2257     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2258     [if test -r "$NAME_DEV_RANDOM" ; then
2259         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2260     if test "x$ac_cv_have_dev_random" = "xyes"; then
2261         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2262     fi
2263 else
2264     AC_MSG_CHECKING(for random device)
2265     ac_cv_have_dev_random=no
2266     AC_MSG_RESULT(has been disabled)
2267 fi
2268
2269 if test "x$host_win32" = "xyes"; then
2270     AC_DEFINE(HAVE_CRYPT_RNG)
2271 fi
2272
2273 if test "x$ac_cv_have_dev_random" = "xno" \
2274     && test "x$host_win32" = "xno"; then
2275     AC_MSG_WARN([[
2276 ***
2277 *** A system-provided entropy source was not found on this system.
2278 *** Because of this, the System.Security.Cryptography random number generator
2279 *** will throw a NotImplemented exception.
2280 ***
2281 *** If you are seeing this message, and you know your system DOES have an
2282 *** entropy collection in place, please contact <crichton@gimp.org> and
2283 *** provide information about the system and how to access the random device.
2284 ***
2285 *** Otherwise you can install either egd or prngd and set the environment
2286 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2287 ***]])
2288 fi
2289  
2290 AC_MSG_CHECKING([if inter-process shared handles are requested])
2291 # Same as --enable-minimal=shared_handles
2292 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2293 AC_MSG_RESULT($try_shared_handles)
2294 if test "x$try_shared_handles" != "xyes"; then
2295         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2296         AC_SUBST(DISABLE_SHARED_HANDLES)
2297 fi
2298
2299 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2300
2301 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2302 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2303
2304 AC_MSG_CHECKING([if big-arrays are to be enabled])
2305 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2306 if test "x$enable_big_arrays" = "xyes" ; then
2307     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2308         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2309     else
2310         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2311     fi
2312 fi
2313 AC_MSG_RESULT($enable_big_arrays)
2314
2315 dnl **************
2316 dnl *** DTRACE ***
2317 dnl **************
2318
2319 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2320
2321 if test "x$enable_dtrace" = "xyes"; then
2322    if test "x$has_dtrace" = "xno"; then
2323           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2324    fi
2325    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2326    if test "x$DTRACE" = "xno"; then
2327           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2328           enable_dtrace=no
2329    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2330           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2331           enable_dtrace=no
2332    fi
2333 fi
2334
2335 dtrace_g=no
2336 if test "x$enable_dtrace" = "xyes"; then
2337         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2338         DTRACEFLAGS=
2339         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2340                 case "$host" in
2341                         powerpc-*-darwin*)
2342                         DTRACEFLAGS="-arch ppc64"
2343                         ;;
2344                         i*86-*-darwin*)
2345                         DTRACEFLAGS="-arch x86_64"
2346                         ;;
2347                         *)
2348                         DTRACEFLAGS=-64
2349                         ;;
2350                 esac
2351         else
2352                 case "$host" in
2353                         powerpc-*-darwin*)
2354                         DTRACEFLAGS="-arch ppc"
2355                         ;;
2356                         i*86-*-darwin*)
2357                         DTRACEFLAGS="-arch i386"
2358                         ;;
2359                         *)
2360                         DTRACEFLAGS=-32
2361                         ;;
2362                 esac
2363         fi
2364         AC_SUBST(DTRACEFLAGS)
2365         case "$host" in
2366                 *-*-solaris*)
2367                 dtrace_g=yes
2368                 ;;
2369         esac
2370         AC_CHECK_HEADERS([sys/sdt.h])
2371 fi
2372 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2373 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2374
2375 dnl **************
2376 dnl ***  NaCl  ***
2377 dnl **************
2378
2379 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2380 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2381
2382 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2383
2384 dnl
2385 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2386 dnl
2387 nacl_self_host=""
2388 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2389    nacl_self_host="nacl_self_host"
2390 fi
2391 AC_SUBST(nacl_self_host)
2392
2393 if test "x$enable_nacl_codegen" = "xyes"; then
2394    MONO_NACL_ALIGN_MASK_OFF=1
2395    AC_DEFINE(TARGET_NACL, 1, [...])
2396    AC_DEFINE(__native_client_codegen__, 1, [...])
2397 else
2398    MONO_NACL_ALIGN_MASK_OFF=0
2399    AC_DEFINE(__default_codegen__, 1, [...])
2400 fi
2401 if test "x$enable_nacl_gc" = "xyes"; then
2402    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2403       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2404    else
2405       # Not yet implemented
2406       INSTRUMENT_CFLAG=""
2407    fi
2408    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2409 fi
2410 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2411
2412 dnl **************
2413 dnl ***  LLVM  ***
2414 dnl **************
2415
2416 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2417 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2418 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2419
2420 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2421
2422 if test "x$enable_llvm" = "xyes"; then
2423    if test "x$with_llvm" != "x"; then
2424           LLVM_CONFIG=$with_llvm/bin/llvm-config
2425           if test ! -x $LLVM_CONFIG; then
2426                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2427       fi
2428    else
2429       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2430       if test "x$LLVM_CONFIG" = "xno"; then
2431              AC_MSG_ERROR([llvm-config not found.])
2432       fi
2433    fi
2434
2435    llvm_codegen="x86codegen"
2436    case "$target" in
2437    arm*)
2438                 llvm_codegen="armcodegen"
2439                 ;;
2440    esac
2441
2442    # The output of --cflags seems to include optimizations flags too
2443    LLVM_CFLAGS=`$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'`
2444    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2445    # from LLVM classes.
2446    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2447    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2448    # This might include empty lines
2449    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2450    if test "x$host" != "x$target"; then
2451       # No need for jit libs
2452       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2453    else
2454       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2455    fi
2456    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS -lstdc++"
2457
2458    expected_llvm_version="3.4svn-mono-mono/e656cac"
2459
2460    # Should be something like '2.6' or '2.7svn'
2461    llvm_version=`$LLVM_CONFIG --version`
2462    major_version=`echo $llvm_version | cut -c 1`
2463    minor_version=`echo $llvm_version | cut -c 3`
2464    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2465    AC_MSG_CHECKING(LLVM version)
2466    AC_MSG_RESULT($llvm_version)
2467    if echo $llvm_version | grep -q 'mono'; then
2468           if test "x$enable_llvm_version_check" == "xyes"; then
2469                  if test "$llvm_version" != "$expected_llvm_version"; then
2470                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2471                  fi
2472           fi
2473           if test "x$llvm_api_version" = "x"; then
2474                 LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2475                 LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2476           else
2477                 LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2478                 LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2479           fi
2480    else
2481           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.])
2482    fi
2483
2484    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2485    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2486    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2487
2488    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2489    # llvm's config.h
2490    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2491
2492    AC_SUBST(LLVM_CFLAGS)
2493    AC_SUBST(LLVM_CXXFLAGS)
2494    AC_SUBST(LLVM_LIBS)
2495    AC_SUBST(LLVM_LDFLAGS)
2496    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2497 fi
2498
2499 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2500 if test "x$enable_loadedllvm" = "xyes"; then
2501    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2502 fi
2503 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2504
2505 TARGET="unknown"
2506 ACCESS_UNALIGNED="yes"
2507
2508 LIBC="libc.so.6"
2509 INTL="libc.so.6"
2510 SQLITE="libsqlite.so.0"
2511 SQLITE3="libsqlite3.so.0"
2512 X11="libX11.so"
2513 GDKX11="libgdk-x11-2.0.so.0"
2514 GTKX11="libgtk-x11-2.0.so.0"
2515 XINERAMA="libXinerama.so.1"
2516
2517 sizeof_register="SIZEOF_VOID_P"
2518
2519 jit_wanted=true
2520 sgen_supported=false
2521 boehm_supported=true
2522 case "$host" in
2523         mips*)
2524                 TARGET=MIPS;
2525                 arch_target=mips;
2526                 sgen_supported=true
2527                 ACCESS_UNALIGNED="no"
2528
2529                 AC_MSG_CHECKING(for mips n32)
2530                 AC_TRY_COMPILE([],[
2531                 #if _MIPS_SIM != _ABIN32
2532                 #error Not mips n32
2533                 #endif
2534                 return 0;
2535                 ],[
2536                 AC_MSG_RESULT(yes)
2537                 sizeof_register=8
2538                 ],[
2539                 AC_MSG_RESULT(no)
2540                 ])
2541                 ;;
2542         i*86-*-*)
2543                 TARGET=X86;
2544                 arch_target=x86;
2545                 case $host_os in
2546                   solaris*)
2547                         LIBC="libc.so"
2548                         INTL="libintl.so"
2549                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2550                                 TARGET=AMD64
2551                                 arch_target=amd64
2552                         fi
2553
2554                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2555                         # int astruct __attribute__ ((visibility ("hidden")));
2556                         # void foo ()
2557                         # {
2558                         #       void *p = &astruct;
2559                         # }
2560                         # gcc -fPIC --shared -o libfoo.so foo.c
2561                         # yields:
2562                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2563                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2564                         have_visibility_hidden=no
2565                         sgen_supported=true
2566                         ;;
2567                   mingw*|cygwin*)
2568                         sgen_supported=true
2569                         have_visibility_hidden=no                 
2570                         ;;
2571                   haiku*)
2572                         LIBC=libroot.so
2573                         ;;
2574                   linux*)
2575                         sgen_supported=true
2576                         AOT_SUPPORTED="yes"
2577                         ;;
2578                   darwin*)
2579                         sgen_supported=true
2580                         AOT_SUPPORTED="yes"
2581                         ;;
2582                   openbsd*|freebsd*|kfreebsd-gnu*)
2583                         sgen_supported=true
2584                         ;;
2585                 esac
2586                 ;;
2587         x86_64-*-* | amd64-*-*)
2588                 TARGET=AMD64;
2589                 arch_target=amd64;
2590                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2591                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2592                         sizeof_register=8
2593                 fi
2594                 case $host_os in
2595                   linux*)
2596                         sgen_supported=true
2597                         AOT_SUPPORTED="yes"
2598                         ;;
2599                   darwin*)
2600                         sgen_supported=true
2601                         AOT_SUPPORTED="yes"
2602                         ;;
2603                   openbsd*|freebsd*|kfreebsd-gnu*)
2604                         sgen_supported=true
2605                         ;;
2606                   mingw*)
2607                         sgen_supported=true
2608                         ;;
2609                 esac
2610                 case "$host" in
2611                         x86_64-*-nacl*)
2612                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2613                                 sizeof_register=8
2614                                 ;;
2615                 esac
2616                 ;;
2617         ia64-*-*)
2618                 TARGET=IA64
2619                 arch_target=ia64
2620                 ACCESS_UNALIGNED="no"
2621                 LIBC="libc.so.6.1"
2622                 INTL="libc.so.6.1"
2623                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2624                 libmono_ldflags="-lunwind"
2625                 ;;
2626         sparc*-*-*)
2627                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2628                    TARGET=SPARC64
2629                 else
2630                         TARGET=SPARC
2631                 fi
2632                 arch_target=sparc;
2633                 ACCESS_UNALIGNED="no"
2634                 case $host_os in
2635                   linux*) ;;
2636                   *)
2637                         LIBC="libc.so"
2638                         INTL="libintl.so"
2639                 esac
2640                 if test x"$GCC" = xyes; then
2641                         # We don't support v8 cpus
2642                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2643                 fi
2644                 if test x"$AR" = xfalse; then
2645                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2646                 fi
2647                 sgen_supported=true
2648                 ;;
2649         *-mingw*|*-*-cygwin*)
2650                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2651                 have_visibility_hidden=no
2652                 INTL="intl"
2653                 ;;
2654         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2655         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2656                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2657                         TARGET=POWERPC64;
2658                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2659                         CFLAGS="$CFLAGS -mminimal-toc"
2660                 else
2661                         TARGET=POWERPC;
2662                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2663                 fi
2664                 arch_target=ppc;
2665                 case $host_os in
2666                   linux*|darwin*)
2667                         sgen_supported=true
2668                         ;;
2669                 esac
2670                 ;;
2671         arm*-darwin*)
2672                 TARGET=ARM;
2673                 arch_target=arm;
2674                 ACCESS_UNALIGNED="no"
2675                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2676                 sgen_supported=true
2677                 ;;
2678         arm*-linux*)
2679                 TARGET=ARM;
2680                 arch_target=arm;
2681                 ACCESS_UNALIGNED="no"
2682                 sgen_supported=true
2683                 AOT_SUPPORTED="yes"
2684                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2685                 ;;
2686 # TODO: make proper support for NaCl host.
2687 #        arm*-*nacl)
2688 #               TARGET=ARM;
2689 #               arch_target=arm;
2690 #               ACCESS_UNALIGNED="no"
2691 #               sgen_supported=true
2692 #               AOT_SUPPORTED="no"
2693 #               ;;
2694         aarch64-*)
2695                 # https://lkml.org/lkml/2012/7/15/133
2696                 TARGET=ARM64
2697                 arch_target=arm64
2698                 sgen_supported=true
2699                 boehm_supported=false
2700                 ;;
2701         s390x-*-linux*)
2702                 TARGET=S390X;
2703                 arch_target=s390x;
2704                 ACCESS_UNALIGNED="yes"
2705                 sgen_supported=true
2706                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2707                 ;;
2708 esac
2709
2710 HOST=$TARGET
2711
2712 if test "x$host" != "x$target"; then
2713    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2714    enable_mcs_build=no
2715    case "$target" in
2716    arm*-darwin*)
2717                 TARGET=ARM;
2718                 arch_target=arm;
2719                 ACCESS_UNALIGNED="no"
2720                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2721                 # Can't use tls, since it depends on the runtime detection of tls offsets
2722                 # in mono-compiler.h
2723                 with_tls=pthread
2724                 ;;
2725    powerpc64-ps3-linux-gnu)
2726                 TARGET=POWERPC64
2727                 arch_target=powerpc64
2728                 AC_DEFINE(TARGET_PS3, 1, [...])
2729                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2730                 # uses this define
2731                 AC_DEFINE(__mono_ppc64__, 1, [...])
2732                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2733                 sizeof_register=8
2734                 target_byte_order=G_BIG_ENDIAN
2735                 ;;
2736    powerpc64-xbox360-linux-gnu)
2737                 TARGET=POWERPC64
2738                 arch_target=powerpc64
2739                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2740                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2741                 # uses this define
2742                 sizeof_register=8
2743                 target_byte_order=G_BIG_ENDIAN
2744                 ;;
2745    x86_64-*-nacl)
2746                 TARGET=AMD64
2747                 arch_target=amd64
2748                 AC_DEFINE(TARGET_AMD64, 1, [...])
2749                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2750                 sizeof_register=8
2751                 ;;
2752 # TODO: make proper support for NaCl target.
2753 #   arm*-*nacl)
2754 #               TARGET=ARM
2755 #               arch_target=arm
2756 #               AC_DEFINE(TARGET_ARM, 1, [...])
2757 #               ACCESS_UNALIGNED="no"
2758 #               sizeof_register=4
2759 #               CPPFLAGS="$CPPFLAGS \
2760 #                    -D__ARM_EABI__ \
2761 #                    -D__arm__ \
2762 #                    -D__portable_native_client__ \
2763 #                    -Dtimezone=_timezone \
2764 #                    -DDISABLE_SOCKETS \
2765 #                    -DDISABLE_ATTACH \
2766 #                    -DUSE_NEWLIB"
2767                 # Can't use tls, since it depends on the runtime detection of tls offsets
2768                 # in mono-compiler.h
2769 #               with_tls=pthread
2770 #               ;;
2771    i686-*-nacl)
2772                 TARGET=X86
2773                 arch_target=x86
2774                 AC_DEFINE(TARGET_X86, 1, [...])
2775                 sizeof_register=4
2776                 ;;
2777    arm*-linux-*)
2778                 TARGET=ARM;
2779                 arch_target=arm;
2780                 AC_DEFINE(TARGET_ARM, 1, [...])
2781                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2782                 ACCESS_UNALIGNED="no"
2783                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2784                 # Can't use tls, since it depends on the runtime detection of tls offsets
2785                 # in mono-compiler.h
2786                 with_tls=pthread
2787                 target_mach=no
2788                 case "$target" in
2789                 armv7l-unknown-linux-gnueabi*)
2790                         # TEGRA
2791                         CPPFLAGS="$CPPFLAGS"
2792                         ;;
2793                 armv5-*-linux-androideabi*)
2794                         CPPFLAGS="$CPPFLAGS"
2795                         ;;
2796                 esac
2797                 ;;
2798    i686*-linux-*)
2799                 TARGET=X86;
2800                 arch_target=x86;
2801                 AC_DEFINE(TARGET_X86, 1, [...])
2802                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2803                 CPPFLAGS="$CPPFLAGS"
2804                 sgen_supported=true
2805                 # Can't use tls, since it depends on the runtime detection of tls offsets
2806                 # in mono-compiler.h            
2807                 with_tls=pthread
2808                 target_mach=no
2809                 ;;                      
2810         aarch64-*)
2811                 TARGET=ARM64
2812                 ;;
2813         *)
2814                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2815         esac
2816 fi
2817
2818 case "$TARGET" in
2819 X86)
2820         AC_DEFINE(TARGET_X86, 1, [...])
2821         ;;
2822 AMD64)
2823         AC_DEFINE(TARGET_AMD64, 1, [...])
2824         ;;
2825 ARM)
2826         AC_DEFINE(TARGET_ARM, 1, [...])
2827         ;;
2828 ARM64)
2829         AC_DEFINE(TARGET_ARM64, 1, [...])
2830         ;;
2831 POWERPC)
2832         AC_DEFINE(TARGET_POWERPC, 1, [...])
2833         ;;
2834 POWERPC64)
2835         AC_DEFINE(TARGET_POWERPC, 1, [...])
2836         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2837         ;;
2838 S390X)
2839         AC_DEFINE(TARGET_S390X, 1, [...])
2840         ;;
2841 MIPS)
2842         AC_DEFINE(TARGET_MIPS, 1, [...])
2843         ;;
2844 IA64)
2845         AC_DEFINE(TARGET_IA64, 1, [...])
2846         ;;
2847 SPARC)
2848         AC_DEFINE(TARGET_SPARC, 1, [...])
2849         ;;
2850 SPARC64)
2851         AC_DEFINE(TARGET_SPARC64, 1, [...])
2852         ;;
2853 esac
2854
2855 dnl Use GCC atomic ops if they work on the target.
2856 if test x$GCC = "xyes"; then
2857         case $TARGET in
2858         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
2859                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
2860                 ;;
2861         esac
2862 fi
2863
2864 if test "x$target_mach" = "xyes"; then
2865    if test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
2866           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2867           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2868           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2869    else
2870        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2871        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2872        #error fail this for ios
2873        #endif
2874        return 0;
2875        ], [
2876                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2877           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2878           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2879        ], [
2880           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2881           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2882           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2883        ])
2884         fi
2885    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2886 fi
2887
2888 if test "x$sizeof_register" = "x4"; then
2889    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2890 elif test "x$sizeof_register" = "x8"; then
2891    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2892 else
2893    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2894 fi
2895
2896 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2897    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2898 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2899    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2900 else
2901    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2902 fi
2903
2904 if test "x$have_visibility_hidden" = "xyes"; then
2905    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2906 fi
2907
2908 if test "x$have_deprecated" = "xyes"; then
2909    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2910 fi
2911
2912 dnl 
2913 dnl Simple Generational checks (sgen)
2914 dnl
2915 if $sgen_supported; then
2916    build_sgen_default=yes
2917 else
2918    build_sgen_default=no
2919 fi
2920 SGEN_DEFINES=
2921 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2922 if test x$buildsgen = xyes; then
2923    if $sgen_supported; then
2924        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2925        gc_msg="sgen and $gc_msg"
2926    else
2927        buildsgen=no
2928        AC_MSG_WARN("Sgen is not supported on this platform")
2929    fi
2930 fi
2931 AC_SUBST(SGEN_DEFINES)
2932 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2933
2934 jit_status="Building and using the JIT"
2935
2936 libsuffix=".so"
2937
2938 case "$host" in
2939      *-*-darwin*)
2940         libsuffix=".dylib"
2941         LIBC="libc.dylib"
2942         INTL="libintl.dylib"
2943         SQLITE="libsqlite.0.dylib"
2944         SQLITE3="libsqlite3.0.dylib"
2945         X11="libX11.dylib"
2946         GDKX11="libgdk-x11-2.0.dylib"
2947         GTKX11="libgtk-x11-2.0.dylib"
2948         ;;
2949      *-*-*netbsd*)
2950         LIBC="libc.so.12"
2951         INTL="libintl.so.0"
2952         ;;
2953      *-*-kfreebsd*-gnu)
2954         LIBC="libc.so.0.1"
2955         INTL="libc.so.0.1"
2956         X11="libX11.so.6"
2957         ;;
2958     *-*-*freebsd*)
2959         LIBC="libc.so"
2960         INTL="libintl.so"
2961         SQLITE="libsqlite.so"
2962         SQLITE3="libsqlite3.so"
2963         ;;
2964     *-*-*openbsd*)
2965         LIBC="libc.so"
2966         INTL="libintl.so"
2967         SQLITE="libsqlite.so"
2968         SQLITE3="libsqlite3.so"
2969         ;;
2970     *-*-*linux*)
2971         AC_PATH_X
2972         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
2973         AC_MSG_CHECKING(for the soname of libX11.so)
2974         for i in $x_libraries $dlsearch_path; do
2975                 for r in 4 5 6; do
2976                         if test -f $i/libX11.so.$r; then
2977                                 X11=libX11.so.$r
2978                                 AC_MSG_RESULT($X11)
2979                         fi
2980                 done
2981         done
2982         
2983         if test "x$X11" = "xlibX11.so"; then
2984                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
2985                 X11=libX11.so.6
2986         fi
2987         ;;
2988 esac
2989
2990
2991 AC_SUBST(libsuffix)
2992
2993 AC_ARG_WITH([libgdiplus],
2994         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
2995         [], [with_libgdiplus=installed])
2996
2997 # default install location
2998 libgdiplus_install_loc=libgdiplus${libsuffix}
2999 case $with_libgdiplus in
3000     no|installed)
3001     libgdiplus_loc=
3002     ;;
3003
3004     yes|sibling)
3005     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3006     ;;
3007
3008     /*) # absolute path, assume it is an install location
3009     libgdiplus_loc=$with_libgdiplus
3010     libgdiplus_install_loc=$with_libgdiplus
3011     ;;
3012
3013     *)
3014     libgdiplus_loc=`pwd`/$with_libgdiplus
3015     ;;
3016 esac
3017 AC_SUBST([libgdiplus_loc])
3018 AC_SUBST([libgdiplus_install_loc])
3019
3020 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3021 if test "x$icall_symbol_map" = "xyes"; then
3022    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3023 fi
3024
3025 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3026 if test "x$icall_export" = "xyes"; then
3027    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3028 fi
3029
3030 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3031 if test "x$icall_tables" = "xno"; then
3032    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3033 fi
3034
3035 if test "x$with_tls" = "x__thread"; then
3036         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3037         # Pass the information to libgc
3038         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3039         AC_MSG_CHECKING(if the tls_model attribute is supported)
3040         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3041                 ], [
3042                         AC_MSG_RESULT(yes)
3043                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3044                 ], [
3045                         AC_MSG_RESULT(no)
3046         ])
3047 fi
3048
3049 if test ${TARGET} = ARM; then
3050         dnl ******************************************
3051         dnl *** Check to see what FPU is available ***
3052         dnl ******************************************
3053         AC_MSG_CHECKING(which FPU to use)
3054
3055         #
3056         # This is a bit tricky:
3057         #
3058         # if (__ARM_PCS_VFP) {
3059         #       /* mfloat-abi=hard == VFP with hard ABI */
3060         # } elif (!__SOFTFP__) {
3061         #       /* mfloat-abi=softfp == VFP with soft ABI */
3062         # } else {
3063         #       /* mfloat-abi=soft == no VFP */
3064         # }
3065         #
3066         # The exception is iOS (w/ GCC) where none of the above
3067         # are defined (but iOS always uses the 'softfp' ABI).
3068         #
3069         # No support for FPA.
3070         #
3071
3072         fpu=NONE
3073
3074         # iOS GCC always uses the 'softfp' ABI.
3075         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3076                 fpu=VFP
3077         fi
3078
3079         # Are we using the 'hard' ABI?
3080         if test x$fpu = xNONE; then
3081                 AC_TRY_COMPILE([], [
3082                         #ifndef __ARM_PCS_VFP
3083                         #error "Float ABI is not 'hard'"
3084                         #endif
3085                         return 0;
3086                 ], [
3087                         fpu=VFP_HARD
3088                 ], [
3089                         fpu=NONE
3090                 ])
3091         fi
3092
3093         # No 'hard' ABI. 'soft' or 'softfp'?
3094         if test x$fpu = xNONE; then
3095                 AC_TRY_COMPILE([], [
3096                         #ifdef __SOFTFP__
3097                         #error "Float ABI is not 'softfp'"
3098                         #endif
3099                         return 0;
3100                 ], [
3101                         fpu=VFP
3102                 ], [
3103                         fpu=NONE
3104                 ])
3105         fi
3106
3107         AC_MSG_RESULT($fpu)
3108         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3109         unset fpu
3110
3111         dnl *********************************************
3112         dnl *** Check which ARM version(s) we can use ***
3113         dnl *********************************************
3114         AC_MSG_CHECKING(which ARM version to use)
3115
3116         AC_TRY_COMPILE([], [
3117                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3118                 #error Not on ARM v5.
3119                 #endif
3120                 return 0;
3121         ], [
3122                 arm_v5=yes
3123
3124                 arm_ver=ARMv5
3125         ], [])
3126
3127         AC_TRY_COMPILE([], [
3128                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3129                 #error Not on ARM v6.
3130                 #endif
3131                 return 0;
3132         ], [
3133                 arm_v5=yes
3134                 arm_v6=yes
3135
3136                 arm_ver=ARMv6
3137         ], [])
3138
3139         AC_TRY_COMPILE([], [
3140                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3141                 #error Not on ARM v7.
3142                 #endif
3143                 return 0;
3144         ], [
3145                 arm_v5=yes
3146                 arm_v6=yes
3147                 arm_v7=yes
3148
3149                 arm_ver=ARMv7
3150         ], [])
3151
3152         AC_MSG_RESULT($arm_ver)
3153
3154         if test x$arm_v5 = xyes; then
3155                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3156                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3157         fi
3158
3159         if test x$arm_v6 = xyes; then
3160                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3161                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3162         fi
3163
3164         if test x$arm_v7 = xyes; then
3165                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3166                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3167         fi
3168 fi
3169
3170 if test ${TARGET} = ARM; then
3171         if test "x${with_jumptables}" = "xyes"; then
3172                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3173         fi
3174 fi
3175
3176 if test ${TARGET} = unknown; then
3177         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3178         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3179 fi
3180
3181 if test ${ACCESS_UNALIGNED} = no; then
3182         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3183 fi
3184
3185 case "x$libgc" in
3186         xincluded)
3187                 # Pass CPPFLAGS to libgc configure
3188                 # We should use a separate variable for this to avoid passing useless and
3189                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3190                 # This should be executed late so we pick up the final version of CPPFLAGS
3191                 # The problem with this approach, is that during a reconfigure, the main
3192                 # configure scripts gets invoked with these arguments, so we use separate
3193                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3194                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3195                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3196                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3197                 fi
3198                 # Don't pass -finstrument-for-thread-suspension in, 
3199                 # if these are instrumented it will be very bad news 
3200                 # (infinite recursion, undefined parking behavior, etc)
3201                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3202                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3203                 if test "x$support_boehm" = "xyes"; then
3204                         AC_CONFIG_SUBDIRS(libgc)
3205                 fi
3206                 ;;
3207 esac
3208
3209 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])
3210 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
3211 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])
3212 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3213 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3214 AC_ARG_WITH(xammac,    [  --with-xammac=yes,no,only       If you want to build the Xamarin.Mac assemblies (defaults to no)],   [], [with_xammac=no])
3215
3216 OPROFILE=no
3217 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3218         if test x$with_oprofile != xno; then
3219             oprofile_include=$with_oprofile/include
3220             if test ! -f $oprofile_include/opagent.h; then
3221                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3222                 fi
3223             OPROFILE=yes
3224                 OPROFILE_CFLAGS="-I$oprofile_include"
3225             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3226             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3227         fi
3228 ])
3229
3230 MALLOC_MEMPOOLS=no
3231 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3232         if test x$with_malloc_mempools = xyes; then
3233                 MALLOC_MEMPOOLS=yes
3234                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3235         fi
3236 ])
3237
3238
3239 DISABLE_MCS_DOCS=no
3240 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3241         if test x$with_mcs_docs != xyes; then
3242                 DISABLE_MCS_DOCS=yes
3243         fi
3244 ])
3245 if test x$with_profile4 != xyes; then
3246         DISABLE_MCS_DOCS=yes
3247 fi
3248
3249 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)],[
3250         if test x$with_lazy_gc_thread_creation != xno ; then
3251                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3252         fi
3253 ], [with_lazy_gc_thread_creation=no])
3254
3255 AC_CHECK_HEADER([malloc.h], 
3256                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3257                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3258
3259 if test x"$GCC" = xyes; then
3260         # Implicit function declarations are not 64 bit safe
3261         # Do this late, since this causes lots of configure tests to fail
3262         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3263         # jay has a lot of implicit declarations
3264         JAY_CFLAGS="-Wno-implicit-function-declaration"
3265 fi
3266
3267 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3268 # instead of libmono-static.a
3269 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3270    LIBMONO_LA=libmini-static.la
3271 else
3272    if test x$buildsgen = xyes; then
3273       LIBMONO_LA=libmonosgen-$API_VER.la
3274    else
3275       LIBMONO_LA=libmonoboehm-$API_VER.la
3276    fi
3277 fi
3278 AC_SUBST(LIBMONO_LA)
3279
3280 dnl
3281 dnl Consistency settings
3282 dnl
3283 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3284    DISABLE_MCS_DOCS=yes
3285    with_profile2=no
3286    with_profile4=no
3287    with_profile4_5=no
3288    with_monodroid=no
3289    with_monotouch=no
3290    with_xammac=no
3291 fi
3292
3293 if test x$DISABLE_MCS_DOCS = xyes; then
3294    docs_dir=""
3295 else
3296    docs_dir=docs
3297 fi
3298 AC_SUBST(docs_dir)
3299
3300 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3301 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3302
3303 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3304 AC_SUBST(OPROFILE_CFLAGS)
3305 AC_SUBST(OPROFILE_LIBS)
3306
3307 libmono_ldflags="$libmono_ldflags $LIBS"
3308
3309 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3310 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3311 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3312 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3313 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3314 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3315 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3316 AM_CONDITIONAL(ONLY_XAMMAC, [test "x$with_xammac" = "xonly"])
3317
3318 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3319 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3320 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3321 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3322 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3323 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3324 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3325 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3326 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3327 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3328 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3329 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3330 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3331 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3332 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3333 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3334 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3335 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3336
3337 AM_CONDITIONAL(INCLUDED_LIBGC, test x$libgc = xincluded)
3338
3339 AC_SUBST(LIBC)
3340 AC_SUBST(INTL)
3341 AC_SUBST(SQLITE)
3342 AC_SUBST(SQLITE3)
3343 AC_SUBST(X11)
3344 AC_SUBST(GDKX11)
3345 AC_SUBST(GTKX11)
3346 AC_SUBST(XINERAMA)
3347 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3348 AC_SUBST(arch_target)
3349 AC_SUBST(CFLAGS)
3350 AC_SUBST(CPPFLAGS)
3351 AC_SUBST(LDFLAGS)
3352
3353 mono_build_root=`pwd`
3354 AC_SUBST(mono_build_root)
3355
3356 mono_runtime=mono/mini/mono
3357 AC_SUBST(mono_runtime)
3358
3359 mono_cfg_root=$mono_build_root/runtime
3360 if test x$host_win32 = xyes; then
3361   if test "x$cross_compiling" = "xno"; then
3362     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3363   else
3364     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3365   fi
3366 else
3367   mono_cfg_dir=$mono_cfg_root/etc
3368 fi
3369 AC_SUBST(mono_cfg_dir)
3370
3371 AC_CONFIG_FILES([po/mcs/Makefile.in])
3372
3373 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3374 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3375
3376 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3377 [   depth=../../../..
3378     case $srcdir in
3379     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3380     .) reldir=$depth ;;
3381     *) reldir=$depth/$srcdir ;;
3382     esac
3383     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3384     cd runtime/etc/mono/1.0
3385     rm -f machine.config
3386     $LN_S $reldir/data/net_1_1/machine.config machine.config
3387     cd $depth
3388 ],[LN_S='$LN_S'])
3389
3390 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3391 [   depth=../../../..
3392     case $srcdir in
3393     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3394     .) reldir=$depth ;;
3395     *) reldir=$depth/$srcdir ;;
3396     esac
3397     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3398     cd runtime/etc/mono/2.0
3399     rm -f machine.config
3400     $LN_S $reldir/data/net_2_0/machine.config machine.config
3401     cd $depth
3402 ],[LN_S='$LN_S'])
3403
3404 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3405 [   depth=../../../..
3406     case $srcdir in
3407     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3408     .) reldir=$depth ;;
3409     *) reldir=$depth/$srcdir ;;
3410     esac
3411     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3412     cd runtime/etc/mono/2.0
3413     rm -f web.config
3414     $LN_S $reldir/data/net_2_0/web.config web.config
3415     cd $depth
3416 ],[LN_S='$LN_S'])
3417
3418 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3419 [   depth=../../..
3420     case $srcdir in
3421     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3422     .) reldir=$depth ;;
3423     *) reldir=$depth/$srcdir ;;
3424     esac
3425     $ac_aux_dir/install-sh -d runtime/etc/mono/
3426     cd runtime/etc/mono/
3427     rm -f browscap.ini
3428     $LN_S $reldir/data/browscap.ini browscap.ini
3429     cd $depth
3430 ],[LN_S='$LN_S'])
3431
3432 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3433 [   depth=../../../../..
3434     case $srcdir in
3435     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3436     .) reldir=$depth ;;
3437     *) reldir=$depth/$srcdir ;;
3438     esac
3439     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3440     cd runtime/etc/mono/2.0/Browsers
3441     rm -f Compat.browser
3442     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3443     cd $depth
3444 ],[LN_S='$LN_S'])
3445
3446 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3447 [   depth=../../../../..
3448     case $srcdir in
3449     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3450     .) reldir=$depth ;;
3451     *) reldir=$depth/$srcdir ;;
3452     esac
3453     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3454     cd runtime/etc/mono/4.0/Browsers
3455     rm -f Compat.browser
3456     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3457     cd $depth
3458 ],[LN_S='$LN_S'])
3459
3460 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3461 [   depth=../../../../..
3462     case $srcdir in
3463     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3464     .) reldir=$depth ;;
3465     *) reldir=$depth/$srcdir ;;
3466     esac
3467     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3468     cd runtime/etc/mono/4.5/Browsers
3469     rm -f Compat.browser
3470     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3471     cd $depth
3472 ],[LN_S='$LN_S'])
3473
3474 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3475 [   depth=../../../..
3476     case $srcdir in
3477     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3478     .) reldir=$depth ;;
3479     *) reldir=$depth/$srcdir ;;
3480     esac
3481     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3482     cd runtime/etc/mono/4.0
3483     rm -f machine.config
3484     $LN_S $reldir/data/net_4_0/machine.config machine.config
3485     cd $depth
3486 ],[LN_S='$LN_S'])
3487
3488 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3489 [   depth=../../../..
3490     case $srcdir in
3491     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3492     .) reldir=$depth ;;
3493     *) reldir=$depth/$srcdir ;;
3494     esac
3495     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3496     cd runtime/etc/mono/4.0
3497     rm -f web.config
3498     $LN_S $reldir/data/net_4_0/web.config web.config
3499     cd $depth
3500 ],[LN_S='$LN_S'])
3501
3502 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3503 [   depth=../../../..
3504     case $srcdir in
3505     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3506     .) reldir=$depth ;;
3507     *) reldir=$depth/$srcdir ;;
3508     esac
3509     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3510     cd runtime/etc/mono/4.5
3511     rm -f machine.config
3512     $LN_S $reldir/data/net_4_5/machine.config machine.config
3513     cd $depth
3514 ],[LN_S='$LN_S'])
3515
3516 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3517 [   depth=../../../..
3518     case $srcdir in
3519     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3520     .) reldir=$depth ;;
3521     *) reldir=$depth/$srcdir ;;
3522     esac
3523     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3524     cd runtime/etc/mono/4.5
3525     rm -f web.config
3526     $LN_S $reldir/data/net_4_5/web.config web.config
3527     cd $depth
3528 ],[LN_S='$LN_S'])
3529
3530 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])
3531
3532 AC_OUTPUT([
3533 Makefile
3534 mono-core.spec
3535 mono-uninstalled.pc
3536 scripts/mono-find-provides
3537 scripts/mono-find-requires
3538 mono/Makefile
3539 mono/utils/Makefile
3540 mono/metadata/Makefile
3541 mono/dis/Makefile
3542 mono/cil/Makefile
3543 mono/arch/Makefile
3544 mono/arch/x86/Makefile
3545 mono/arch/amd64/Makefile
3546 mono/arch/ppc/Makefile
3547 mono/arch/sparc/Makefile
3548 mono/arch/s390x/Makefile
3549 mono/arch/arm/Makefile
3550 mono/arch/arm64/Makefile
3551 mono/arch/ia64/Makefile
3552 mono/arch/mips/Makefile
3553 mono/tests/Makefile
3554 mono/tests/tests-config
3555 mono/tests/assemblyresolve/Makefile
3556 mono/tests/cas/Makefile
3557 mono/tests/cas/assembly/Makefile
3558 mono/tests/cas/demand/Makefile
3559 mono/tests/cas/inheritance/Makefile
3560 mono/tests/cas/linkdemand/Makefile
3561 mono/tests/cas/threads/Makefile
3562 mono/tests/gc-descriptors/Makefile
3563 mono/unit-tests/Makefile
3564 mono/benchmark/Makefile
3565 mono/monograph/Makefile
3566 mono/io-layer/Makefile
3567 mono/mini/Makefile
3568 mono/profiler/Makefile
3569 m4/Makefile
3570 ikvm-native/Makefile
3571 scripts/Makefile
3572 man/Makefile
3573 docs/Makefile
3574 data/Makefile
3575 data/net_2_0/Makefile
3576 data/net_4_0/Makefile
3577 data/net_4_5/Makefile
3578 data/net_2_0/Browsers/Makefile
3579 data/net_4_0/Browsers/Makefile
3580 data/net_4_5/Browsers/Makefile
3581 data/mint.pc
3582 data/mono-2.pc
3583 data/monosgen-2.pc
3584 data/mono.pc
3585 data/mono-cairo.pc
3586 data/mono-nunit.pc
3587 data/mono-options.pc
3588 data/mono-lineeditor.pc
3589 data/monodoc.pc
3590 data/dotnet.pc
3591 data/dotnet35.pc
3592 data/wcf.pc
3593 data/cecil.pc
3594 data/system.web.extensions_1.0.pc
3595 data/system.web.extensions.design_1.0.pc
3596 data/system.web.mvc.pc
3597 data/system.web.mvc2.pc
3598 data/system.web.mvc3.pc
3599 data/aspnetwebstack.pc
3600 data/reactive.pc
3601 samples/Makefile
3602 support/Makefile
3603 data/config
3604 tools/Makefile
3605 tools/locale-builder/Makefile
3606 tools/sgen/Makefile
3607 runtime/Makefile
3608 msvc/Makefile
3609 po/Makefile
3610 ])
3611
3612 # Update all submodules recursively to ensure everything is checked out
3613 $srcdir/scripts/update_submodules
3614
3615 if test x$host_win32 = xyes; then
3616    # Get rid of 'cyg' prefixes in library names
3617    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3618    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3619    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3620    # executable doesn't work...
3621    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3622 fi
3623
3624 if test x$platform_darwin = xyes; then
3625    # This doesn't seem to be required and it slows down parallel builds
3626    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3627 fi
3628
3629 (
3630   case $prefix in
3631   NONE) prefix=$ac_default_prefix ;;
3632   esac
3633   case $exec_prefix in
3634   NONE) exec_prefix='${prefix}' ;;
3635   esac
3636
3637   #
3638   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3639   # any existing config.make.  This allows people to share the same source tree
3640   # with different build directories, one native and one cross
3641   #
3642   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3643
3644     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3645
3646     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3647     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3648     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3649     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3650     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3651     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3652     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3653     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3654
3655     case $INSTALL in
3656     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3657     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3658     esac
3659
3660     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3661
3662     export VERSION
3663     [myver=$($AWK 'BEGIN {
3664       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3665       if(length(vsplit [1]) > 4) {
3666         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3667       }
3668       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3669     }')]
3670
3671     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3672
3673     if test x$platform_darwin = xyes; then
3674       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3675     fi
3676
3677         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3678            enable_system_aot=yes
3679         fi
3680
3681     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3682       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3683     fi
3684
3685     if test x$DISABLE_MCS_DOCS = xyes; then
3686       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3687     fi
3688
3689     if test x$has_extension_module != xno; then
3690         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3691     fi
3692
3693         default_profile=net_2_0
3694     if test -z "$INSTALL_4_0_TRUE"; then :
3695                 default_profile=net_4_0
3696     fi
3697     if test -z "$INSTALL_MONODROID_TRUE"; then :
3698                 default_profile=monodroid
3699     fi
3700     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3701                 default_profile=monotouch
3702     fi
3703         if test -z "$INSTALL_XAMMAC_TRUE"; then :
3704                 default_profile=xammac
3705         fi
3706     if test -z "$INSTALL_4_5_TRUE"; then :
3707                 default_profile=net_4_5
3708     fi
3709     
3710     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3711     
3712     if test "x$test_bcl_opt" = "xyes"; then    
3713       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3714     fi
3715
3716   fi
3717
3718   # if we have an olive folder, override the default settings
3719   if test -d $olivedir; then
3720
3721     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3722
3723       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3724
3725       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3726       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3727       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3728       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3729       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3730       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3731     fi
3732   fi
3733
3734 )
3735
3736 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3737
3738 echo "
3739         mcs source:    $mcsdir
3740
3741    Engine:
3742         Host:          $host
3743         Target:        $target
3744         GC:            $gc_msg 
3745         TLS:           $with_tls
3746         SIGALTSTACK:   $with_sigaltstack
3747         Engine:        $jit_status
3748         oprofile:      $OPROFILE
3749         BigArrays:     $enable_big_arrays
3750         DTrace:        $enable_dtrace
3751         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3752
3753    Libraries:
3754         .NET 2.0/3.5:  $with_profile2
3755         .NET 4.0:      $with_profile4
3756         .NET 4.5:      $with_profile4_5
3757         MonoDroid:     $with_monodroid
3758         MonoTouch:     $with_monotouch
3759         Xamarin.Mac:   $with_xammac
3760         JNI support:   $jdk_headers_found
3761         libgdiplus:    $libgdiplus_msg
3762         zlib:          $zlib_msg
3763         $disabled
3764 "
3765 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3766    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3767 fi