27780df192c31a8b3fd69bf435a664cf31261cc3
[mono.git] / configure.in
1 # Process this file with autoconf to produce a configure script.
2 #AC_PREREQ([2.62])
3
4 AC_INIT(mono, [3.4.1],
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 dnl
40 dnl libgc checks
41 dnl
42
43 gc_headers=no
44 gc=included
45 gc_msg="included Boehm"
46 use_included_gc=no
47 libgc_configure_args=
48
49 if test -d $srcdir/libgc ; then
50   gc_default=included
51 else
52   gc_default=boehm
53 fi
54
55 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
56 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
57 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
58 CFLAGS_FOR_LIBGC=$CFLAGS
59 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
60 CFLAGS_FOR_EGLIB=$CFLAGS
61
62 #
63 # These are the flags that need to be stored in the mono.pc file for 
64 # compiling code that will embed Mono
65 #
66 libmono_cflags=""
67 libmono_ldflags=""
68 AC_SUBST(libmono_cflags)
69 AC_SUBST(libmono_ldflags)
70
71 # Variable to have relocatable .pc files (lib, or lib64)
72 reloc_libdir=`basename ${libdir}`
73 AC_SUBST(reloc_libdir)
74
75 dnl if linker handles the version script
76 no_version_script=no
77
78 # Set to yes if Unix sockets cannot be created in an anonymous namespace
79 need_link_unlink=no
80
81 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
82 extra_runtime_ldflags=""
83
84 # Thread configuration inspired by sleepycat's db
85 AC_MSG_CHECKING([host platform characteristics])
86 libgc_threads=no
87 has_dtrace=no
88 parallel_mark=yes
89 ikvm_native=yes
90
91 case "$host" in
92         powerpc*-*-linux*)
93                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
94                 disable_munmap=yes
95         ;;
96 esac
97
98 host_win32=no
99 target_win32=no
100 platform_android=no
101 platform_darwin=no
102 case "$host" in
103         *-mingw*|*-*-cygwin*)
104                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
105                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
106                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
107                 host_win32=yes
108                 mono_cv_clang=no
109                 if test "x$cross_compiling" = "xno"; then
110                         target_win32=yes
111                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
112                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
113                         fi
114                 else
115                         target_win32=yes
116                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
117                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
118                 fi
119                 HOST_CC="gcc"
120                 # Windows 2000 is required that includes Internet Explorer 5.01
121                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
122                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
123                 libmono_cflags="-mms-bitfields -mwindows"
124                 libmono_ldflags="-mms-bitfields -mwindows"
125                 libdl=
126                 libgc_threads=win32
127                 gc_default=included
128                 with_sigaltstack=no
129                 LN_S=cp
130                 # This forces libgc to use the DllMain based thread registration code on win32
131                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
132                 ;;
133         *-*-*netbsd*)
134                 host_win32=no
135                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
136                 libmono_cflags="-D_REENTRANT"
137                 LDFLAGS="$LDFLAGS -pthread"
138                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
139                 libmono_ldflags="-pthread"
140                 need_link_unlink=yes
141                 libdl="-ldl"
142                 libgc_threads=pthreads
143                 with_sigaltstack=no
144                 use_sigposix=yes
145                 ;;
146         *-*-*freebsd*)
147                 host_win32=no
148                 if test "x$PTHREAD_CFLAGS" = "x"; then
149                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
150                         libmono_cflags=
151                 else
152                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
153                         libmono_cflags="$PTHREAD_CFLAGS"
154                 fi
155                 if test "x$PTHREAD_LIBS" = "x"; then
156                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
157                         libmono_ldflags="-pthread"
158                 else
159                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
160                         libmono_ldflags="$PTHREAD_LIBS"
161                 fi
162                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
163                 need_link_unlink=yes
164                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
165                 libdl=
166                 libgc_threads=pthreads
167                 use_sigposix=yes
168                 has_dtrace=yes
169                 ;;
170         *-*-*openbsd*)
171                 host_win32=no
172                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
173                 if test "x$disable_munmap" != "xyes"; then
174                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
175                 fi
176                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
177                 LDFLAGS="$LDFLAGS -pthread"
178                 need_link_unlink=yes
179                 AC_DEFINE(PTHREAD_POINTER_ID)
180                 libdl=
181                 gc_default=boehm
182                 libgc_threads=pthreads
183                 with_sigaltstack=no
184                 use_sigposix=yes
185                 ;;
186         *-*-linux-android*)
187                 host_win32=no
188                 platform_android=yes
189                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
190                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
191
192                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
193                 if test "x$disable_munmap" != "xyes"; then
194                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
195                 fi
196                 libmono_cflags="-D_REENTRANT"
197                 libdl="-ldl"
198                 libgc_threads=pthreads
199                 use_sigposix=yes
200
201                 with_tls=pthread
202                 with_sigaltstack=no
203                 with_static_mono=no
204
205                 # Android doesn't support boehm, as it's missing <link.h>
206                 support_boehm=no
207                 with_gc=sgen
208
209                 # isinf(3) requires -lm; see isinf check below
210                 LDFLAGS="$LDFLAGS -lm"
211
212                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
213                 # PAGE_SIZE; breaks mono/io-layer/collection.c
214                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
215                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
216                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
217
218                 # The configure check can't detect this
219                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
220
221                 # to bypass the underscore linker check, can't work when cross-compiling
222                 mono_cv_uscore=yes
223                 mono_cv_clang=no
224                 ;;
225         *-*-linux*)
226                 host_win32=no
227                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
228                 if test "x$disable_munmap" != "xyes"; then
229                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
230                 fi
231                 libmono_cflags="-D_REENTRANT"
232                 libdl="-ldl"
233                 libgc_threads=pthreads
234                 use_sigposix=yes
235                 if test "x$cross_compiling" != "xno"; then
236                         # to bypass the underscore linker check, not
237                         # available during cross-compilation
238                         mono_cv_uscore=no
239                 fi
240                 ;;
241         *-*-nacl*)
242                 host_win32=no
243                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
244                 if test "x$disable_munmap" != "xyes"; then
245                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
246                 fi
247                 libmono_cflags="-D_REENTRANT"
248                 libdl=
249                 libgc_threads=pthreads
250                 gc_default=boehm
251                 use_sigposix=yes
252                 ikvm_native=no
253                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
254                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
255                 ;;
256         *-*-hpux*)
257                 host_win32=no
258                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
259                 # +ESdbgasm only valid on bundled cc on RISC
260                 # silently ignored for ia64
261                 if test $GCC != "yes"; then
262                         CFLAGS="$CFLAGS +ESdbgasm"
263                         # Arrange for run-time dereferencing of null
264                         # pointers to produce a SIGSEGV signal.
265                         LDFLAGS="$LDFLAGS -z"
266                 fi
267                 CFLAGS="$CFLAGS +ESdbgasm"
268                 LDFLAGS="$LDFLAGS -z"
269                 libmono_cflags="-D_REENTRANT"
270                 libmono_ldflags="-lpthread"
271                 libgc_threads=pthreads
272                 need_link_unlink=yes
273                 use_sigposix=yes
274                 ;;
275         *-*-solaris*)
276                 host_win32=no
277                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
278                 need_link_unlink=yes
279                 libmono_cflags="-D_REENTRANT"
280                 libgc_threads=pthreads
281                 # This doesn't seem to work on solaris/x86, but the configure test runs
282                 with_tls=pthread
283                 has_dtrace=yes
284                 use_sigposix=yes
285                 enable_solaris_tar_check=yes
286                 ;;
287         *-*-darwin*)
288                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
289                 host_win32=no
290                 platform_darwin=yes
291                 target_mach=yes
292                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
293                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
294                 libmono_cflags="-D_THREAD_SAFE"
295                 need_link_unlink=yes
296                 AC_DEFINE(PTHREAD_POINTER_ID)
297                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
298                 no_version_script=yes
299                 libdl=
300                 libgc_threads=pthreads
301                 has_dtrace=yes
302                 if test "x$cross_compiling" = "xyes"; then
303                         has_broken_apple_cpp=yes
304                 fi
305                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
306                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
307                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
308                 case "$host" in
309                         dnl Snow Leopard and newer config.guess reports as this
310                         i*86-*-darwin*)
311                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
312                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
313                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
314                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
315                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
316                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
317                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
318                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
319                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
320                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
321                                 ;;
322                         x*64-*-darwin*)
323                                 ;;
324                         arm*-darwin*)
325                                 has_dtrace=no
326                                 ;;                      
327                 esac
328                 ;;
329         *-*-haiku*)
330                 host_win32=no
331                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
332                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
333                 libdl=
334                 LIBS="$LIBS -lnetwork"
335                 need_link_unlink=yes
336                 AC_DEFINE(PTHREAD_POINTER_ID)
337                 libgc_threads=pthreads
338                 use_sigposix=yes
339                 ;;
340         *)
341                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
342                 host_win32=no
343                 libdl="-ldl"
344                 ;;
345 esac
346 AC_MSG_RESULT(ok)
347
348 if test x$need_link_unlink = xyes; then
349    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
350 fi
351
352 AC_SUBST(extra_runtime_ldflags)
353 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
354 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
355 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
356 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
357 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
358 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
359
360 AC_CHECK_TOOL(CC, gcc, gcc)
361 AC_PROG_CC
362 AC_CHECK_TOOL(CXX, g++, g++)
363 AC_PROG_CXX
364 AM_PROG_AS
365 AC_PROG_INSTALL
366 AC_PROG_AWK
367 AM_PROG_CC_C_O
368 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
369 : ${CCAS='$(CC)'}
370 # Set ASFLAGS if not already set.
371 : ${CCASFLAGS='$(CFLAGS)'}
372 AC_SUBST(CCAS)
373 AC_SUBST(CCASFLAGS)
374
375 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
376 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
377 if test "x$CXX" = "xg++"; then
378         if test "x$GXX" != "xyes"; then
379                 # automake/libtool is so broken, it requires g++ even if the c++ sources
380                 # are inside automake conditionals
381                 AC_MSG_ERROR([You need to install g++])
382         fi
383 fi
384
385 dnl may require a specific autoconf version
386 dnl AC_PROG_CC_FOR_BUILD
387 dnl CC_FOR_BUILD not automatically detected
388 CC_FOR_BUILD=$CC
389 CFLAGS_FOR_BUILD=$CFLAGS
390 BUILD_EXEEXT=
391 if test "x$cross_compiling" = "xyes"; then
392         CC_FOR_BUILD=cc
393         CFLAGS_FOR_BUILD=
394         BUILD_EXEEXT=""
395 fi
396 AC_SUBST(CC_FOR_BUILD)
397 AC_SUBST(CFLAGS_FOR_BUILD)
398 AC_SUBST(HOST_CC)
399 AC_SUBST(BUILD_EXEEXT)
400
401 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
402 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
403
404 # Set STDC_HEADERS
405 AC_HEADER_STDC
406 AC_LIBTOOL_WIN32_DLL
407 # This causes monodis to not link correctly
408 #AC_DISABLE_FAST_INSTALL
409 AM_PROG_LIBTOOL
410 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
411 DOLT
412
413 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
414 AC_SUBST(export_ldflags)
415
416 # Test whenever ld supports -version-script
417 AC_PROG_LD
418 AC_PROG_LD_GNU
419 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
420    no_version_script=yes
421 fi
422
423 AM_ICONV()
424
425 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
426
427 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h sys/utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h sys/uio.h sys/param.h libproc.h)
428 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/sem.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h sys/inotify.h)
429 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
430                   [], [], [#include <stddef.h>
431                   #include <sys/socket.h>
432                   #include <linux/socket.h>])
433
434 AC_CHECK_HEADERS(sys/user.h, [], [],
435 [
436 #ifdef HAVE_SYS_PARAM_H
437 # include <sys/param.h>
438 #endif
439 ])
440
441 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
442 if test x$have_zlib = xyes; then
443    AC_TRY_COMPILE([#include <zlib.h>], [
444    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
445    return 0;
446    #else
447    #error No good zlib found
448    #endif
449    ],[
450         AC_MSG_RESULT(Using system zlib)
451         zlib_msg="system zlib"
452         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
453    ],[
454         AC_MSG_RESULT(Using embedded zlib)
455         have_zlib=no
456         zlib_msg="bundled zlib"
457    ])
458 fi
459
460 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
461 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
462
463 # for mono/metadata/debug-symfile.c
464 AC_CHECK_HEADERS(elf.h)
465
466 # for support
467 AC_CHECK_HEADERS(poll.h)
468 AC_CHECK_HEADERS(sys/poll.h)
469 AC_CHECK_HEADERS(sys/wait.h)
470 AC_CHECK_HEADERS(grp.h)
471 AC_CHECK_HEADERS(syslog.h)
472
473 # for mono/dis
474 AC_CHECK_HEADERS(wchar.h)
475 AC_CHECK_HEADERS(ieeefp.h)
476 AC_MSG_CHECKING(for isinf)
477 AC_TRY_LINK([#include <math.h>], [
478         int f = isinf (1);
479 ], [
480         AC_MSG_RESULT(yes)
481         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
482 ], [
483         # We'll have to use signals
484         AC_MSG_RESULT(no)
485 ])
486 # mingw
487 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
488         AC_TRY_LINK([#include <math.h>], 
489         [ _finite(0.0); ], 
490         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
491         AC_MSG_RESULT(no)))
492
493 # for Linux statfs support
494 AC_CHECK_HEADERS(linux/magic.h)
495
496 # not 64 bit clean in cross-compile
497 AC_CHECK_SIZEOF(void *, 4)
498
499 AC_CACHE_CHECK([for clang],
500         mono_cv_clang,[
501         AC_TRY_COMPILE([], [
502                 #ifdef __clang__
503                 #else
504                 #error "FAILED"
505                 #endif
506                 return 0;
507         ],
508         [mono_cv_clang=yes],
509         [mono_cv_clang=no],
510         [])
511 ])
512
513 WARN=''
514 if test x"$GCC" = xyes; then
515         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
516                 # The runtime code does not respect ANSI C strict aliasing rules
517                 CFLAGS="$CFLAGS -fno-strict-aliasing"
518
519                 # We rely on signed overflow to behave
520                 CFLAGS="$CFLAGS -fwrapv"
521
522                 ORIG_CFLAGS=$CFLAGS
523                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
524                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
525                 AC_TRY_COMPILE([],[
526                                 return 0;
527                 ], [
528                    AC_MSG_RESULT(yes)
529                 ], [
530                    AC_MSG_RESULT(no)
531                    CFLAGS=$ORIG_CFLAGS
532                 ])
533
534                 ORIG_CFLAGS=$CFLAGS
535                 # Check for the normal version, since gcc ignores unknown -Wno options
536                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
537                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
538                 AC_TRY_COMPILE([],[
539                                 return 0;
540                 ], [
541                    AC_MSG_RESULT(yes)
542                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
543                 ], [
544                    AC_MSG_RESULT(no)
545                    CFLAGS=$ORIG_CFLAGS
546                 ])
547
548                 if test "x$mono_cv_clang" = "xyes"; then
549                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
550                    WARN="$WARN -Qunused-arguments"
551                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign"
552                 fi
553 else
554         # The Sun Forte compiler complains about inline functions that access static variables
555         # so disable all inlining.
556         case "$host" in
557         *-*-solaris*)
558                 CFLAGS="$CFLAGS -Dinline="
559                 ;;
560         esac
561 fi
562 CFLAGS="$CFLAGS -g $WARN"
563 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
564
565 # Where's the 'mcs' source tree?
566 if test -d $srcdir/mcs; then
567   mcsdir=mcs
568 else
569   mcsdir=../mcs
570 fi
571
572 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
573         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
574                 mcsdir=$with_mcs_path
575         fi
576 )
577
578 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
579
580 #
581 # A sanity check to catch cases where the package was unpacked
582 # with an ancient tar program (Solaris)
583 #
584 AC_ARG_ENABLE(solaris-tar-check,
585 [  --disable-solaris-tar-check    disable solaris tar check],
586    do_solaris_tar_check=no, do_solaris_tar_check=yes)
587
588 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
589         AC_MSG_CHECKING(integrity of package)
590         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
591         then
592                 AC_MSG_RESULT(ok)
593         else
594                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
595                 AC_MSG_ERROR([$errorm])
596         fi
597 fi
598
599 if test "x$with_mcs_path" != "x"; then
600 mcs_topdir=$(cd "$mcsdir" && pwd)
601 mcs_topdir_from_srcdir=$mcs_topdir
602 else
603 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
604 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
605 fi
606
607 # Convert mcs_topdir* paths to Windows syntax.
608 if test x$cross_compiling$host_win32 = xnoyes; then
609   mcs_topdir=$(cygpath -m $mcs_topdir)
610   case $mcs_topdir_from_srcdir in
611     /cygdrive/*)
612         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
613         ;;
614   esac
615 fi
616
617 AC_SUBST([mcs_topdir])
618 AC_SUBST([mcs_topdir_from_srcdir])
619
620 # Where's the 'olive' source tree?
621 if test -d $srcdir/olive; then
622   olivedir=olive
623 else
624   olivedir=../olive
625 fi
626
627 if test -d $srcdir/$olivedir; then
628 olive_topdir='$(top_srcdir)/'$olivedir
629 fi
630
631 # gettext: prepare the translation directories. 
632 # we do not configure the full gettext, as we consume it dynamically from C#
633 AM_PO_SUBDIRS
634
635 if test "x$USE_NLS" = "xyes"; then
636    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
637
638    if test "x$HAVE_MSGFMT" = "xno"; then
639           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
640    fi
641 fi
642
643 AC_ARG_WITH([libgdiplus], 
644         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)], 
645         [], [with_libgdiplus=installed])
646
647 case $with_libgdiplus in
648 no|installed) libgdiplus_loc= ;;
649 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
650 /*) libgdiplus_loc=$with_libgdiplus ;;
651 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
652 esac
653 AC_SUBST([libgdiplus_loc])
654
655 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
656
657 pkg_config_path=
658 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
659         if test x$with_crosspkgdir = "x"; then
660                 if test -s $PKG_CONFIG_PATH; then
661                         pkg_config_path=$PKG_CONFIG_PATH
662                 fi
663         else
664                 pkg_config_path=$with_crosspkgdir
665                 PKG_CONFIG_PATH=$pkg_config_path
666                 export PKG_CONFIG_PATH
667         fi
668 )
669
670 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
671 AC_CONFIG_SUBDIRS(eglib)
672
673 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
674 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
675 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
676 BUILD_GLIB_LIBS="$GLIB_LIBS"
677 GMODULE_CFLAGS="$GLIB_CFLAGS"
678 GMODULE_LIBS="$GLIB_LIBS"
679   
680 AC_SUBST(GLIB_CFLAGS)
681 AC_SUBST(GLIB_LIBS)
682 AC_SUBST(GMODULE_CFLAGS)
683 AC_SUBST(GMODULE_LIBS)
684 AC_SUBST(BUILD_GLIB_CFLAGS)
685 AC_SUBST(BUILD_GLIB_LIBS)
686
687 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
688
689 # Enable support for fast thread-local storage
690 # Some systems have broken support, so we allow to disable it.
691 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
692
693 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
694 # This does not work on some platforms (bug #55253)
695 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
696
697 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
698 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
699 # Same as --with-shared_mono=no
700 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
701
702 if test "x$enable_static" = "xno"; then
703    with_static_mono=no
704 fi
705
706 if test "x$enable_shared" = "xno"; then
707    with_shared_mono=no
708 fi
709
710 if test "x$enable_libraries" = "xno"; then
711    with_shared_mono=no
712 fi
713
714 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
715
716 case $host in
717 *nacl* ) with_shared_mono=yes;;
718 esac
719
720 if test "x$host_win32" = "xyes"; then
721    # Boehm GC requires the runtime to be in its own dll
722    with_static_mono=no
723 fi
724
725 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
726 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
727 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
728
729 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
730 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
731         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
732         ORIG_CFLAGS=$CFLAGS
733         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
734         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
735         AC_TRY_COMPILE([], [
736                 return 0;
737         ], [
738            AC_MSG_RESULT(yes)
739            # Pass it to libgc as well
740            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
741         ], [
742            AC_MSG_RESULT(no)
743            CFLAGS=$ORIG_CFLAGS
744         ])
745 fi
746
747 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
748
749 if test x$enable_small_config = xyes; then
750         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
751         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
752 fi
753
754 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=$enableval, enable_system_aot=default)
755
756 DISABLED_FEATURES=none
757
758 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
759      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
760      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
761          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
762 [
763         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
764                 eval "mono_feature_disable_$feature='yes'"
765         done
766         DISABLED_FEATURES=$enable_minimal
767         disabled="Disabled:      $enable_minimal"
768 ],[])
769
770 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
771
772 if test "x$mono_feature_disable_aot" = "xyes"; then
773         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
774         AC_MSG_NOTICE([Disabled AOT compiler])
775 fi
776
777 if test "x$mono_feature_disable_profiler" = "xyes"; then
778         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
779         AC_MSG_NOTICE([Disabled support for the profiler])
780 fi
781 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
782
783 if test "x$mono_feature_disable_decimal" = "xyes"; then
784         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
785         AC_MSG_NOTICE([Disabled support for decimal])
786 fi
787
788 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
789         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
790         AC_MSG_NOTICE([Disabled support for P/Invoke])
791 fi
792
793 if test "x$mono_feature_disable_debug" = "xyes"; then
794         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
795         AC_MSG_NOTICE([Disabled support for runtime debugging])
796 fi
797
798 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
799         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
800         mono_feature_disable_reflection_emit_save=yes
801         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
802 fi
803
804 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
805         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
806         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
807 fi
808
809 if test "x$mono_feature_disable_large_code" = "xyes"; then
810         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
811         AC_MSG_NOTICE([Disabled support for large assemblies])
812 fi
813
814 if test "x$mono_feature_disable_logging" = "xyes"; then
815         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
816         AC_MSG_NOTICE([Disabled support for logging])
817 fi
818
819 if test "x$mono_feature_disable_com" = "xyes"; then
820         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
821         AC_MSG_NOTICE([Disabled COM support])
822 fi
823
824 if test "x$mono_feature_disable_ssa" = "xyes"; then
825         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
826         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
827 fi
828
829 if test "x$mono_feature_disable_generics" = "xyes"; then
830         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
831         AC_MSG_NOTICE([Disabled Generics Support])
832 fi
833
834 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
835         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
836         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
837 fi
838
839 if test "x$mono_feature_disable_portability" = "xyes"; then
840         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
841         AC_MSG_NOTICE([Disabled IO Portability layer])
842 fi
843
844 if test "x$mono_feature_disable_attach" = "xyes"; then
845         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
846         AC_MSG_NOTICE([Disabled agent attach])
847 fi
848
849 if test "x$mono_feature_disable_full_messages" = "xyes"; then
850         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
851         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
852 fi
853
854 if test "x$mono_feature_disable_verifier" = "xyes"; then
855         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
856         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
857 fi
858
859 if test "x$mono_feature_disable_jit" = "xyes"; then
860         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
861         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
862 fi
863
864 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
865
866 if test "x$mono_feature_disable_simd" = "xyes"; then
867         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
868         AC_MSG_NOTICE([Disabled SIMD support])
869 fi
870
871 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
872         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
873         AC_MSG_NOTICE([Disabled Soft Debugger.])
874 fi
875
876 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
877         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
878         AC_MSG_NOTICE([Disabled Performance Counters.])
879 fi
880 if test "x$mono_feature_disable_normalization" = "xyes"; then
881         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
882         AC_MSG_NOTICE([Disabled String normalization support.])
883 fi
884
885 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
886         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
887         AC_MSG_NOTICE([Disabled Assembly remapping.])
888 fi
889
890 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
891         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
892         AC_MSG_NOTICE([Disabled Shared perfcounters.])
893 fi
894
895 if test "x$mono_feature_disable_appdomains" = "xyes"; then
896         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
897         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
898 fi
899
900 if test "x$mono_feature_disable_remoting" = "xyes"; then
901         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
902         AC_MSG_NOTICE([Disabled remoting])
903 fi
904
905 if test "x$mono_feature_disable_security" = "xyes"; then
906         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
907         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
908 fi
909
910 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
911         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
912         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
913 fi
914
915 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
916         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
917         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
918 fi
919
920 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
921         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
922         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
923 fi
924
925 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
926         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
927         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
928 fi
929
930 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
931         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
932         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
933 fi
934
935 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
936 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
937
938 has_extension_module=no
939 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
940 [
941         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
942                 if test x$extension = xdefault ; then
943                         has_extension_module=yes;
944                 fi
945         done
946         if test x$enable_extension_module = xyes; then
947                 has_extension_module=yes;
948         fi
949 ], [])
950
951 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
952
953 if test x$has_extension_module != xno ; then
954         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
955         AC_MSG_NOTICE([Enabling mono extension module.])
956 fi
957
958 AC_ARG_ENABLE(gsharing, [  --enable-gsharing Enable gsharing], enable_gsharing=$enableval, enable_gsharing=no)
959 if test x$enable_gsharing = xyes; then
960         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharing])
961 fi
962
963 AC_ARG_ENABLE(native-types, [  --enable-native-types Enable native types], enable_native_types=$enableval, enable_native_types=no)
964 if test x$enable_native_types = xyes; then
965         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
966 fi
967
968 AC_MSG_CHECKING(for visibility __attribute__)
969 AC_COMPILE_IFELSE([
970         AC_LANG_SOURCE([[
971                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
972                 int main () { doit (); return 0; }
973         ]])
974 ], [
975    have_visibility_hidden=yes
976    AC_MSG_RESULT(yes)
977 ], [
978    have_visibility_hidden=no
979    AC_MSG_RESULT(no)
980 ])
981
982 AC_MSG_CHECKING(for deprecated __attribute__)
983 AC_TRY_COMPILE([
984      int doit (void) __attribute__ ((deprecated));
985      int doit (void) { return 0; }
986 ], [
987         return 0;
988 ], [
989    have_deprecated=yes
990    AC_MSG_RESULT(yes)
991 ], [
992    have_deprecated=no
993    AC_MSG_RESULT(no)
994 ])
995
996 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
997 if test x$enable_parallel_mark = xyes; then
998         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
999 fi
1000
1001 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1002 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1003
1004 dnl
1005 dnl Boehm GC configuration
1006 dnl
1007 LIBGC_CPPFLAGS=
1008 LIBGC_LIBS=
1009 LIBGC_STATIC_LIBS=
1010 libgc_dir=
1011 case "x$gc" in
1012         xboehm|xbohem|xyes)
1013                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
1014                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
1015
1016                 if test "x$found_boehm" != "xyes"; then
1017                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
1018                 fi
1019                 if test "x$gc_headers" != "xyes"; then
1020                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
1021                 fi
1022
1023                 LIBGC_LIBS="-lgc $libdl"
1024                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
1025                 libmono_ldflags="$libmono_ldflags -lgc"
1026                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1027
1028                 # AC_CHECK_FUNCS does not work for some reason...
1029                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1030                 if test "x$found_gcj_malloc" = "xyes"; then
1031                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1032                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1033                         gc_msg="System Boehm with typed GC"
1034                 else
1035                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1036                         gc_msg="System Boehm (without typed GC)"
1037                 fi
1038                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1039                 if test "x$found_gc_enable" = "xyes"; then
1040                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1041                 fi
1042
1043                 # check whether we need to explicitly allow
1044                 # thread registering
1045                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1046                 if test "x$found_allow_register_threads" = "xyes"; then
1047                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1048                 fi
1049
1050                 ;;
1051
1052         xincluded)
1053                 use_included_gc=yes
1054                 libgc_dir=libgc
1055
1056                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1057                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1058                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1059
1060                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1061
1062                 if test x$target_win32 = xyes; then
1063                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1064                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1065                 fi
1066
1067                 gc_msg="bundled Boehm GC with typed GC"
1068                 if test x$enable_parallel_mark = xyes; then
1069                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1070                         gc_msg="$gc_msg and parallel mark"
1071                 else
1072                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1073                 fi
1074                 ;;
1075
1076         xsgen)
1077                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1078                 ;;
1079
1080         xnone)
1081                 AC_MSG_WARN("Compiling mono without GC.")
1082                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1083                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1084                 ;;
1085         *)
1086                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1087                 ;;
1088 esac
1089
1090 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1091 if test "x$large_heap" = "xyes"; then
1092    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1093 fi
1094
1095 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1096 AC_SUBST(LIBGC_CPPFLAGS)
1097 AC_SUBST(LIBGC_LIBS)
1098 AC_SUBST(LIBGC_STATIC_LIBS)
1099 AC_SUBST(libgc_dir)
1100 AC_SUBST(BOEHM_DEFINES)
1101
1102 dnl
1103 dnl End of libgc checks
1104 dnl
1105
1106 dnl *************************************
1107 dnl *** Checks for zero length arrays ***
1108 dnl *************************************
1109 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1110 AC_TRY_COMPILE([
1111         struct s {
1112                 int  length;
1113                 char data [0];
1114         };
1115 ], [], [
1116         AC_MSG_RESULT(yes)
1117         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1118 ], [
1119         AC_MSG_RESULT(no)
1120         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1121 ])
1122
1123 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1124
1125 if test x$target_win32 = xno; then
1126
1127         dnl hires monotonic clock support
1128         AC_SEARCH_LIBS(clock_gettime, rt)
1129
1130         dnl dynamic loader support
1131         AC_CHECK_FUNC(dlopen, DL_LIB="",
1132                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1133         )
1134         if test x$dl_support = xno; then
1135                 AC_MSG_WARN([No dynamic loading support available])
1136         else
1137                 LIBS="$LIBS $DL_LIB"
1138                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1139                 dnl from glib's configure.in
1140                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1141                         mono_cv_uscore,[
1142                         AC_TRY_RUN([#include <dlfcn.h>
1143                         int mono_underscore_test (void) { return 42; }
1144                         int main() {
1145                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1146                           handle = dlopen ((void*)0, 0);
1147                           if (handle) {
1148                             f1 = dlsym (handle, "mono_underscore_test");
1149                             f2 = dlsym (handle, "_mono_underscore_test");
1150                           } return (!f2 || f1);
1151                         }],
1152                                 [mono_cv_uscore=yes],
1153                                 [mono_cv_uscore=no],
1154                         [])
1155                 ])
1156                 if test "x$mono_cv_uscore" = "xyes"; then
1157                         MONO_DL_NEED_USCORE=1
1158                 else
1159                         MONO_DL_NEED_USCORE=0
1160                 fi
1161                 AC_SUBST(MONO_DL_NEED_USCORE)
1162                 AC_CHECK_FUNC(dlerror)
1163         fi
1164
1165         dnl ******************************************************************
1166         dnl *** Checks for the IKVM JNI interface library                  ***
1167         dnl ******************************************************************
1168         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])
1169
1170         ikvm_native_dir=
1171         if test x$with_ikvm_native = xyes; then
1172                 ikvm_native_dir=ikvm-native
1173                 jdk_headers_found="IKVM Native"
1174         fi
1175
1176         AC_SUBST(ikvm_native_dir)
1177
1178         AC_CHECK_HEADERS(execinfo.h)
1179
1180         AC_CHECK_HEADERS(sys/auxv.h)
1181
1182         AC_CHECK_FUNCS(getgrgid_r)
1183         AC_CHECK_FUNCS(getgrnam_r)
1184         AC_CHECK_FUNCS(getpwnam_r)
1185         AC_CHECK_FUNCS(getpwuid_r)
1186         AC_CHECK_FUNCS(getresuid)
1187         AC_CHECK_FUNCS(setresuid)
1188         AC_CHECK_FUNCS(kqueue)
1189         AC_CHECK_FUNCS(backtrace_symbols)
1190         AC_CHECK_FUNCS(mkstemp)
1191         AC_CHECK_FUNCS(mmap)
1192         AC_CHECK_FUNCS(madvise)
1193         AC_CHECK_FUNCS(getrusage)
1194         AC_CHECK_FUNCS(getpriority)
1195         AC_CHECK_FUNCS(setpriority)
1196         AC_CHECK_FUNCS(dl_iterate_phdr)
1197         AC_CHECK_FUNCS(dladdr)
1198         AC_CHECK_FUNCS(sysconf)
1199
1200         AC_CHECK_FUNCS(sched_setaffinity)
1201         AC_CHECK_FUNCS(sched_getcpu)
1202
1203         dnl ****************************************************************
1204         dnl *** Check for sched_setaffinity from glibc versions before   ***
1205         dnl *** 2.3.4. The older versions of the function only take 2    ***
1206         dnl *** parameters, not 3.                                       ***
1207         dnl ***                                                          ***
1208         dnl *** Because the interface change was not made in a minor     ***
1209         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1210         dnl *** won't always indicate the interface sched_affinity has.  ***
1211         dnl ****************************************************************
1212         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1213         AC_TRY_COMPILE([#include <sched.h>], [
1214             int mask = 1; 
1215             sched_setaffinity(0, &mask);
1216                         return 0;
1217         ], [
1218                 # Yes, we have it...
1219                 AC_MSG_RESULT(yes)
1220                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1221         ], [
1222                 # We have the new, three-parameter version
1223                 AC_MSG_RESULT(no)
1224         ])
1225
1226
1227         dnl ******************************************************************
1228         dnl *** Check for large file support                               ***
1229         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1230         dnl ******************************************************************
1231         
1232         # Check that off_t can represent 2**63 - 1 correctly, working around
1233         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1234         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1235         large_offt=no
1236         AC_DEFUN([LARGE_FILES], [
1237                 large_CPPFLAGS=$CPPFLAGS
1238                 CPPFLAGS="$CPPFLAGS $1"
1239                 AC_TRY_COMPILE([
1240                         #include <sys/types.h>
1241                         #include <limits.h>
1242                 ], [
1243                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1244                         #define COMPILE_TIME_ASSERT(pred) \
1245                                 switch(0){case 0:case pred:;}
1246                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1247                 ], [
1248                         AC_MSG_RESULT(ok)
1249                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1250                         large_CPPFLAGS="$large_CPPFLAGS $1"
1251                         large_offt=yes
1252                 ], [
1253                         AC_MSG_RESULT(no)
1254                 ])
1255                 CPPFLAGS=$large_CPPFLAGS
1256         ])
1257
1258         AC_MSG_CHECKING(if off_t is 64 bits wide)
1259         LARGE_FILES("")
1260         if test $large_offt = no; then
1261                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1262                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1263         fi
1264         if test $large_offt = no; then
1265                 AC_MSG_WARN([No 64 bit file size support available])
1266         fi
1267         
1268         dnl *****************************
1269         dnl *** Checks for libsocket  ***
1270         dnl *****************************
1271         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1272
1273         case "$host" in
1274                 *-*-*freebsd*)
1275                         dnl *****************************
1276                         dnl *** Checks for libinotify ***
1277                         dnl *****************************
1278                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1279         esac
1280
1281         dnl *******************************
1282         dnl *** Checks for MSG_NOSIGNAL ***
1283         dnl *******************************
1284         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1285         AC_TRY_COMPILE([#include <sys/socket.h>], [
1286                 int f = MSG_NOSIGNAL;
1287         ], [
1288                 # Yes, we have it...
1289                 AC_MSG_RESULT(yes)
1290                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1291         ], [
1292                 # We'll have to use signals
1293                 AC_MSG_RESULT(no)
1294         ])
1295
1296         dnl *****************************
1297         dnl *** Checks for IPPROTO_IP ***
1298         dnl *****************************
1299         AC_MSG_CHECKING(for IPPROTO_IP)
1300         AC_TRY_COMPILE([#include <netinet/in.h>], [
1301                 int level = IPPROTO_IP;
1302         ], [
1303                 # Yes, we have it...
1304                 AC_MSG_RESULT(yes)
1305                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1306         ], [
1307                 # We'll have to use getprotobyname
1308                 AC_MSG_RESULT(no)
1309         ])
1310
1311         dnl *******************************
1312         dnl *** Checks for IPPROTO_IPV6 ***
1313         dnl *******************************
1314         AC_MSG_CHECKING(for IPPROTO_IPV6)
1315         AC_TRY_COMPILE([#include <netinet/in.h>], [
1316                 int level = IPPROTO_IPV6;
1317         ], [
1318                 # Yes, we have it...
1319                 AC_MSG_RESULT(yes)
1320                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1321         ], [
1322                 # We'll have to use getprotobyname
1323                 AC_MSG_RESULT(no)
1324         ])
1325
1326         dnl ******************************
1327         dnl *** Checks for IPPROTO_TCP ***
1328         dnl ******************************
1329         AC_MSG_CHECKING(for IPPROTO_TCP)
1330         AC_TRY_COMPILE([#include <netinet/in.h>], [
1331                 int level = IPPROTO_TCP;
1332         ], [
1333                 # Yes, we have it...
1334                 AC_MSG_RESULT(yes)
1335                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1336         ], [
1337                 # We'll have to use getprotobyname
1338                 AC_MSG_RESULT(no)
1339         ])
1340
1341         dnl *****************************
1342         dnl *** Checks for SOL_IP     ***
1343         dnl *****************************
1344         AC_MSG_CHECKING(for SOL_IP)
1345         AC_TRY_COMPILE([#include <netdb.h>], [
1346                 int level = SOL_IP;
1347         ], [
1348                 # Yes, we have it...
1349                 AC_MSG_RESULT(yes)
1350                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1351         ], [
1352                 # We'll have to use getprotobyname
1353                 AC_MSG_RESULT(no)
1354         ])
1355
1356         dnl *****************************
1357         dnl *** Checks for SOL_IPV6     ***
1358         dnl *****************************
1359         AC_MSG_CHECKING(for SOL_IPV6)
1360         AC_TRY_COMPILE([#include <netdb.h>], [
1361                 int level = SOL_IPV6;
1362         ], [
1363                 # Yes, we have it...
1364                 AC_MSG_RESULT(yes)
1365                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1366         ], [
1367                 # We'll have to use getprotobyname
1368                 AC_MSG_RESULT(no)
1369         ])
1370
1371         dnl *****************************
1372         dnl *** Checks for SOL_TCP    ***
1373         dnl *****************************
1374         AC_MSG_CHECKING(for SOL_TCP)
1375         AC_TRY_COMPILE([#include <netdb.h>], [
1376                 int level = SOL_TCP;
1377         ], [
1378                 # Yes, we have it...
1379                 AC_MSG_RESULT(yes)
1380                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1381         ], [
1382                 # We'll have to use getprotobyname
1383                 AC_MSG_RESULT(no)
1384         ])
1385
1386         dnl *****************************
1387         dnl *** Checks for IP_PKTINFO ***
1388         dnl *****************************
1389         AC_MSG_CHECKING(for IP_PKTINFO)
1390         AC_TRY_COMPILE([#include <linux/in.h>], [
1391                 int level = IP_PKTINFO;
1392         ], [
1393                 # Yes, we have it...
1394                 AC_MSG_RESULT(yes)
1395                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1396         ], [
1397                 AC_MSG_RESULT(no)
1398         ])
1399
1400         dnl *****************************
1401         dnl *** Checks for IPV6_PKTINFO ***
1402         dnl *****************************
1403         AC_MSG_CHECKING(for IPV6_PKTINFO)
1404         AC_TRY_COMPILE([#include <netdb.h>], [
1405                 int level = IPV6_PKTINFO;
1406         ], [
1407                 # Yes, we have it...
1408                 AC_MSG_RESULT(yes)
1409                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1410         ], [
1411                 AC_MSG_RESULT(no)
1412         ])
1413
1414         dnl **********************************
1415         dnl *** Checks for IP_DONTFRAG     ***
1416         dnl **********************************
1417         AC_MSG_CHECKING(for IP_DONTFRAG)
1418         AC_TRY_COMPILE([#include <netinet/in.h>], [
1419                 int level = IP_DONTFRAG;
1420         ], [
1421                 # Yes, we have it...
1422                 AC_MSG_RESULT(yes)
1423                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1424         ], [
1425                 AC_MSG_RESULT(no)
1426         ])
1427
1428         dnl **********************************
1429         dnl *** Checks for IP_DONTFRAGMENT ***
1430         dnl **********************************
1431         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1432         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1433                 int level = IP_DONTFRAGMENT;
1434         ], [
1435                 # Yes, we have it...
1436                 AC_MSG_RESULT(yes)
1437                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1438         ], [
1439                 AC_MSG_RESULT(no)
1440         ])
1441
1442         dnl **********************************
1443         dnl *** Checks for IP_MTU_DISCOVER ***
1444         dnl **********************************
1445         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1446         AC_TRY_COMPILE([#include <linux/in.h>], [
1447                 int level = IP_MTU_DISCOVER;
1448         ], [
1449                 # Yes, we have it...
1450                 AC_MSG_RESULT(yes)
1451                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1452         ], [
1453                 AC_MSG_RESULT(no)
1454         ])
1455
1456         dnl **********************************
1457         dnl *** Checks for  IP_PMTUDISC_DO ***
1458         dnl **********************************
1459         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1460         AC_TRY_COMPILE([#include <linux/in.h>], [
1461                 int level = IP_PMTUDISC_DO;
1462         ], [
1463                 # Yes, we have it...
1464                 AC_MSG_RESULT(yes)
1465                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1466         ], [
1467                 AC_MSG_RESULT(no)
1468         ])
1469
1470         dnl *********************************
1471         dnl *** Check for struct ip_mreqn ***
1472         dnl *********************************
1473         AC_MSG_CHECKING(for struct ip_mreqn)
1474         AC_TRY_COMPILE([#include <netinet/in.h>], [
1475                 struct ip_mreqn mreq;
1476                 mreq.imr_address.s_addr = 0;
1477         ], [
1478                 # Yes, we have it...
1479                 AC_MSG_RESULT(yes)
1480                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1481         ], [
1482                 # We'll just have to try and use struct ip_mreq
1483                 AC_MSG_RESULT(no)
1484                 AC_MSG_CHECKING(for struct ip_mreq)
1485                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1486                         struct ip_mreq mreq;
1487                         mreq.imr_interface.s_addr = 0;
1488                 ], [
1489                         # Yes, we have it...
1490                         AC_MSG_RESULT(yes)
1491                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1492                 ], [
1493                         # No multicast support
1494                         AC_MSG_RESULT(no)
1495                 ])
1496         ])
1497         
1498         dnl **********************************
1499         dnl *** Check for gethostbyname2_r ***
1500         dnl **********************************
1501         AC_MSG_CHECKING(for gethostbyname2_r)
1502                 AC_TRY_LINK([#include <netdb.h>], [
1503                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1504         ], [
1505                 # Yes, we have it...
1506                 AC_MSG_RESULT(yes)
1507                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1508         ], [
1509                 AC_MSG_RESULT(no)
1510         ])
1511
1512         dnl *****************************
1513         dnl *** Checks for libnsl     ***
1514         dnl *****************************
1515         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1516
1517         AC_CHECK_FUNCS(inet_pton inet_aton)
1518
1519         dnl ***********************************************
1520         dnl *** Checks for size of sockaddr_un.sun_path ***
1521         dnl ***********************************************
1522         # AC_CHECK_SIZEOF can't cope with struct members :-(
1523         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1524         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1525                 [AC_TRY_RUN([
1526                         #include <sys/types.h>
1527                         #include <stdio.h>
1528                         #include <sys/un.h>
1529
1530                         int main(void) {
1531                                 struct sockaddr_un sock_un;
1532                                 FILE *f=fopen("conftestval", "w");
1533                                 if(!f) exit(1);
1534                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1535                                 exit(0);
1536                         }
1537                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1538                    mono_cv_sizeof_sunpath=0,
1539                    mono_cv_sizeof_sunpath=0)])dnl
1540         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1541         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1542
1543         dnl *****************************
1544         dnl *** Checks for libxnet    ***
1545         dnl *****************************
1546         case "${host}" in
1547                 *solaris* )
1548                         AC_MSG_CHECKING(for Solaris XPG4 support)
1549                         if test -f /usr/lib/libxnet.so; then
1550                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1551                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1552                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1553                                 LIBS="$LIBS -lxnet"
1554                                 AC_MSG_RESULT(yes)
1555                         else
1556                                 AC_MSG_RESULT(no)
1557                         fi
1558
1559                         if test "$GCC" = "yes"; then
1560                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1561                         fi
1562                 ;;
1563         esac
1564
1565         dnl *****************************
1566         dnl *** Checks for libpthread ***
1567         dnl *****************************
1568 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1569 # and libpthread does not exist
1570 #
1571         case "${host}" in
1572                 *-*-*freebsd*)
1573                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1574                 ;;
1575                 *-*-*openbsd*)
1576                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1577                 ;;
1578                 *)
1579                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1580                 ;;
1581         esac
1582         AC_CHECK_HEADERS(pthread.h)
1583         AC_CHECK_HEADERS(pthread_np.h)
1584         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1585         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1586         AC_CHECK_FUNCS(pthread_kill)
1587         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1588         AC_TRY_COMPILE([ #include <pthread.h>], [
1589                 pthread_mutexattr_t attr;
1590                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1591         ], [
1592                 AC_MSG_RESULT(ok)
1593         ], [
1594                 AC_MSG_RESULT(no)
1595                 AC_ERROR(Posix system lacks support for recursive mutexes)
1596         ])
1597         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1598         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1599         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1600
1601         dnl ***********************************
1602         dnl *** Checks for signals
1603         dnl ***********************************
1604         AC_CHECK_HEADERS(signal.h)
1605         AC_CHECK_FUNCS(sigaction)
1606
1607         dnl ***********************************
1608         dnl *** Checks for working __thread ***
1609         dnl ***********************************
1610         AC_MSG_CHECKING(for working __thread)
1611         if test "x$with_tls" != "x__thread"; then
1612                 AC_MSG_RESULT(disabled)
1613         elif test "x$cross_compiling" = "xyes"; then
1614                 AC_MSG_RESULT(cross compiling, assuming yes)
1615         else
1616                 AC_TRY_RUN([
1617                         #if defined(__APPLE__) && defined(__clang__)
1618                         #error "__thread does not currently work with clang on Mac OS X"
1619                         #endif
1620                         
1621                         #include <pthread.h>
1622                         __thread int i;
1623                         static int res1, res2;
1624
1625                         void thread_main (void *arg)
1626                         {
1627                                 i = arg;
1628                                 sleep (1);
1629                                 if (arg == 1)
1630                                         res1 = (i == arg);
1631                                 else
1632                                         res2 = (i == arg);
1633                         }
1634
1635                         int main () {
1636                                 pthread_t t1, t2;
1637
1638                                 i = 5;
1639
1640                                 pthread_create (&t1, NULL, thread_main, 1);
1641                                 pthread_create (&t2, NULL, thread_main, 2);
1642
1643                                 pthread_join (t1, NULL);
1644                                 pthread_join (t2, NULL);
1645
1646                                 return !(res1 + res2 == 2);
1647                         }
1648                 ], [
1649                                 AC_MSG_RESULT(yes)
1650                 ], [
1651                                 AC_MSG_RESULT(no)
1652                                 with_tls=pthread
1653                 ])
1654         fi
1655
1656         dnl **************************************
1657         dnl *** Checks for working sigaltstack ***
1658         dnl **************************************
1659         AC_MSG_CHECKING(for working sigaltstack)
1660         if test "x$with_sigaltstack" != "xyes"; then
1661                 AC_MSG_RESULT(disabled)
1662         elif test "x$cross_compiling" = "xyes"; then
1663                 AC_MSG_RESULT(cross compiling, assuming yes)
1664         else
1665                 AC_TRY_RUN([
1666                         #include <stdio.h>
1667                         #include <stdlib.h>
1668                         #include <unistd.h>
1669                         #include <signal.h>
1670                         #include <pthread.h>
1671                         #include <sys/wait.h>
1672                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1673                         #define SA_STACK SA_ONSTACK
1674                         #endif
1675                         static void
1676                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1677                         {
1678                                 exit (0);
1679                         }
1680
1681                         volatile char*__ptr = NULL;
1682                         static void *
1683                         loop (void *ignored)
1684                         {
1685                                 *__ptr = 0;
1686                                 return NULL;
1687                         }
1688
1689                         static void
1690                         child ()
1691                         {
1692                                 struct sigaction sa;
1693                         #ifdef __APPLE__
1694                                 stack_t sas;
1695                         #else
1696                                 struct sigaltstack sas;
1697                         #endif
1698                                 pthread_t id;
1699                                 pthread_attr_t attr;
1700
1701                                 sa.sa_sigaction = sigsegv_signal_handler;
1702                                 sigemptyset (&sa.sa_mask);
1703                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1704                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1705                                         perror ("sigaction");
1706                                         return;
1707                                 }
1708
1709                                 /* x86 darwin deliver segfaults using SIGBUS */
1710                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1711                                         perror ("sigaction");
1712                                         return;
1713                                 }
1714                                 sas.ss_sp = malloc (SIGSTKSZ);
1715                                 sas.ss_size = SIGSTKSZ;
1716                                 sas.ss_flags = 0;
1717                                 if (sigaltstack (&sas, NULL) == -1) {
1718                                         perror ("sigaltstack");
1719                                         return;
1720                                 }
1721
1722                                 pthread_attr_init (&attr);
1723                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1724                                         printf ("pthread_create\n");
1725                                         return;
1726                                 }
1727
1728                                 sleep (100);
1729                         }
1730
1731                         int
1732                         main ()
1733                         {
1734                                 pid_t son;
1735                                 int status;
1736                                 int i;
1737
1738                                 son = fork ();
1739                                 if (son == -1) {
1740                                         return 1;
1741                                 }
1742
1743                                 if (son == 0) {
1744                                         child ();
1745                                         return 0;
1746                                 }
1747
1748                                 for (i = 0; i < 300; ++i) {
1749                                         waitpid (son, &status, WNOHANG);
1750                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1751                                                 return 0;
1752                                         usleep (10000);
1753                                 }
1754
1755                                 kill (son, SIGKILL);
1756                                 return 1;
1757                         }
1758
1759                 ], [
1760                                 AC_MSG_RESULT(yes)
1761                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1762                 ], [
1763                                 with_sigaltstack=no
1764                                 AC_MSG_RESULT(no)
1765                 ])
1766         fi
1767
1768         dnl ********************************
1769         dnl *** Checks for semaphore lib ***
1770         dnl ********************************
1771         # 'Real Time' functions on Solaris
1772         # posix4 on Solaris 2.6
1773         # pthread (first!) on Linux
1774         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1775
1776         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1777         AC_CHECK_FUNCS(shm_open)
1778
1779         dnl ********************************
1780         dnl *** Checks for timezone stuff **
1781         dnl ********************************
1782         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1783                 AC_TRY_COMPILE([
1784                         #include <time.h>
1785                         ], [
1786                         struct tm tm;
1787                         tm.tm_gmtoff = 1;
1788                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1789         if test $ac_cv_struct_tm_gmtoff = yes; then
1790                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1791         else
1792                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1793                         AC_TRY_COMPILE([
1794                                 #include <time.h>
1795                         ], [
1796                                 timezone = 1;
1797                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1798                 if test $ac_cv_var_timezone = yes; then
1799                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1800                 else
1801                         AC_ERROR(unable to find a way to determine timezone)
1802                 fi
1803         fi
1804
1805         dnl *********************************
1806         dnl *** Checks for math functions ***
1807         dnl *********************************
1808         AC_SEARCH_LIBS(sqrtf, m)
1809         if test "x$has_broken_apple_cpp" != "xyes"; then
1810                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1811                         AC_TRY_LINK([#include <math.h>], 
1812                         [ finite(0.0); ], 
1813                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1814                         AC_MSG_RESULT(no)))
1815         fi
1816         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1817                 AC_TRY_LINK([#include <math.h>], 
1818                 [ isfinite(0.0); ], 
1819                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1820                 AC_MSG_RESULT(no)))
1821
1822         dnl ****************************************************************
1823         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1824         dnl *** have it in the library (duh))                            ***
1825         dnl ****************************************************************
1826         AC_CHECK_FUNCS(poll)
1827
1828         dnl *************************
1829         dnl *** Check for signbit ***
1830         dnl *************************
1831         AC_MSG_CHECKING(for signbit)
1832         AC_TRY_LINK([#include <math.h>], [
1833                 int s = signbit(1.0);
1834         ], [
1835                 AC_MSG_RESULT(yes)
1836                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1837         ], [
1838                 AC_MSG_RESULT(no)
1839         ]) 
1840
1841         dnl **********************************
1842         dnl *** epoll                      ***
1843         dnl **********************************
1844         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1845                 AC_CHECK_HEADERS(sys/epoll.h)
1846                 haveepoll=no
1847                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1848                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1849                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1850                 fi
1851         fi
1852
1853         havekqueue=no
1854
1855         AC_CHECK_HEADERS(sys/event.h)
1856         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1857
1858         dnl **************************************
1859         dnl * Darwin has a race that prevents us from using reliably:
1860         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1861         dnl * Since kqueue is mostly used for scaling large web servers, 
1862         dnl * and very few folks run Mono on large web servers on OSX, falling
1863         dnl * back 
1864         dnl **************************************
1865         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1866                 if test "x$platform_darwin" = "xno"; then
1867                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1868                 fi
1869         fi
1870
1871         dnl ******************************
1872         dnl *** Checks for SIOCGIFCONF ***
1873         dnl ******************************
1874         AC_CHECK_HEADERS(sys/ioctl.h)
1875         AC_CHECK_HEADERS(net/if.h, [], [],
1876            [
1877            #ifdef HAVE_SYS_TYPES_H
1878            # include <sys/types.h>
1879            #endif
1880            #ifdef HAVE_SYS_SOCKET_H
1881            # include <sys/socket.h>
1882            #endif
1883            ])
1884         AC_MSG_CHECKING(for ifreq)
1885         AC_TRY_COMPILE([
1886                 #include <stdio.h>
1887                 #include <sys/ioctl.h>
1888                 #include <net/if.h>
1889                 ], [
1890                 struct ifconf ifc;
1891                 struct ifreq *ifr;
1892                 void *x;
1893                 ifc.ifc_len = 0;
1894                 ifc.ifc_buf = NULL;
1895                 x = (void *) &ifr->ifr_addr;
1896                 ],[
1897                         AC_MSG_RESULT(yes)
1898                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1899                 ], [
1900                         AC_MSG_RESULT(no)
1901                 ])
1902         dnl **********************************
1903         dnl ***     Checks for sin_len     ***
1904         dnl **********************************
1905         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1906         AC_TRY_COMPILE([
1907                 #include <netinet/in.h>
1908                 ], [
1909                 struct sockaddr_in saddr;
1910                 saddr.sin_len = sizeof (saddr);
1911                 ],[
1912                         AC_MSG_RESULT(yes)
1913                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1914                 ], [
1915                         AC_MSG_RESULT(no)
1916                 ])      
1917         dnl **********************************
1918         dnl ***    Checks for sin6_len     ***
1919         dnl **********************************
1920         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1921         AC_TRY_COMPILE([
1922                 #include <netinet/in.h>
1923                 ], [
1924                 struct sockaddr_in6 saddr6;
1925                 saddr6.sin6_len = sizeof (saddr6);
1926                 ],[
1927                         AC_MSG_RESULT(yes)
1928                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1929                 ], [
1930                         AC_MSG_RESULT(no)
1931                 ])
1932         dnl **********************************
1933         dnl *** Check for getifaddrs       ***
1934         dnl **********************************
1935         AC_MSG_CHECKING(for getifaddrs)
1936                 AC_TRY_LINK([
1937                 #include <stdio.h>
1938                 #include <sys/types.h>
1939                 #include <sys/socket.h>
1940                 #include <ifaddrs.h>
1941         ], [
1942                 getifaddrs(NULL);
1943         ], [
1944                 # Yes, we have it...
1945                 AC_MSG_RESULT(yes)
1946                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1947         ], [
1948                 AC_MSG_RESULT(no)
1949         ])
1950         dnl **********************************
1951         dnl *** Check for if_nametoindex   ***
1952         dnl **********************************
1953         AC_MSG_CHECKING(for if_nametoindex)
1954                 AC_TRY_LINK([
1955                 #include <stdio.h>
1956                 #include <sys/types.h>
1957                 #include <sys/socket.h>
1958                 #include <net/if.h>
1959         ], [
1960                 if_nametoindex(NULL);
1961         ], [
1962                 # Yes, we have it...
1963                 AC_MSG_RESULT(yes)
1964                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1965         ], [
1966                 AC_MSG_RESULT(no)
1967         ])
1968                         
1969         dnl **********************************
1970         dnl *** Checks for MonoPosixHelper ***
1971         dnl **********************************
1972         AC_CHECK_HEADERS(checklist.h)
1973         AC_CHECK_HEADERS(pathconf.h)
1974         AC_CHECK_HEADERS(fstab.h)
1975         AC_CHECK_HEADERS(attr/xattr.h)
1976         AC_CHECK_HEADERS(sys/extattr.h)
1977         AC_CHECK_HEADERS(sys/sendfile.h)
1978         AC_CHECK_HEADERS(sys/statvfs.h)
1979         AC_CHECK_HEADERS(sys/statfs.h)
1980         AC_CHECK_HEADERS(sys/vfstab.h)
1981         AC_CHECK_HEADERS(sys/xattr.h)
1982         AC_CHECK_HEADERS(sys/mman.h)
1983         AC_CHECK_HEADERS(sys/param.h)
1984         AC_CHECK_HEADERS(sys/mount.h, [], [],
1985                 [
1986                 #ifdef HAVE_SYS_PARAM_H
1987                 # include <sys/param.h>
1988                 #endif
1989                 ])
1990         AC_CHECK_HEADERS(sys/mount.h)
1991         AC_CHECK_FUNCS(confstr)
1992         AC_CHECK_FUNCS(seekdir telldir)
1993         AC_CHECK_FUNCS(getdomainname)
1994         AC_CHECK_FUNCS(setdomainname)
1995         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1996         AC_CHECK_FUNCS(setgroups)
1997         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1998         AC_CHECK_FUNCS(getfsstat)
1999         AC_CHECK_FUNCS(lutimes futimes)
2000         AC_CHECK_FUNCS(mremap)
2001         AC_CHECK_FUNCS(remap_file_pages)
2002         AC_CHECK_FUNCS(posix_fadvise)
2003         AC_CHECK_FUNCS(posix_fallocate)
2004         AC_CHECK_FUNCS(posix_madvise)
2005         AC_CHECK_FUNCS(vsnprintf)
2006         AC_CHECK_FUNCS(sendfile)
2007         AC_CHECK_FUNCS(gethostid sethostid)
2008         AC_CHECK_FUNCS(sethostname)
2009         AC_CHECK_FUNCS(statfs)
2010         AC_CHECK_FUNCS(fstatfs)
2011         AC_CHECK_FUNCS(statvfs)
2012         AC_CHECK_FUNCS(fstatvfs)
2013         AC_CHECK_FUNCS(stime)
2014         AC_CHECK_FUNCS(strerror_r)
2015         AC_CHECK_FUNCS(ttyname_r)
2016         AC_CHECK_FUNCS(psignal)
2017         AC_CHECK_FUNCS(getlogin_r)
2018         AC_CHECK_FUNCS(lockf)
2019         AC_CHECK_FUNCS(swab)
2020         AC_CHECK_FUNCS(setusershell endusershell)
2021         AC_CHECK_FUNCS(futimens utimensat)
2022         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2023         AC_CHECK_FUNCS(readv writev preadv pwritev)
2024         AC_CHECK_FUNCS(setpgid)
2025         AC_CHECK_SIZEOF(size_t)
2026         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2027                 [#include <sys/types.h>
2028                  #include <sys/stat.h>
2029                  #include <unistd.h>])
2030         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2031                 [#include <sys/types.h>
2032                  #include <sys/stat.h>
2033                  #include <unistd.h>])
2034         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2035                 [#include <sys/time.h>])
2036         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2037                 [#include <unistd.h>
2038                  #include <fcntl.h>])
2039         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2040                 [#include <sys/uio.h>])
2041         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2042                 [#include <sys/poll.h>])
2043         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2044                 [#include <sys/types.h>
2045                  #include <sys/stat.h>
2046                  #include <unistd.h>])
2047         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2048                 [#include <time.h>])
2049         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2050                 [#include <sys/time.h>
2051                  #include <sys/types.h>
2052                  #include <utime.h>])
2053         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2054                 [#include <sys/time.h>])
2055         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2056                 [#include <sys/types.h>
2057                  #include <utime.h>])
2058         AC_CHECK_MEMBERS(
2059                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2060                 [#include <sys/types.h>
2061                  #include <dirent.h>])
2062         AC_CHECK_MEMBERS(
2063                 [struct passwd.pw_gecos],,, 
2064                 [#include <sys/types.h>
2065                  #include <pwd.h>])
2066         AC_CHECK_MEMBERS(
2067                 [struct statfs.f_flags],,, 
2068                 [#include <sys/types.h>
2069                  #include <sys/vfs.h>])
2070         AC_CHECK_MEMBERS(
2071                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2072                 [#include <sys/types.h>
2073                  #include <sys/stat.h>
2074                  #include <unistd.h>])
2075
2076         dnl Favour xattr through glibc, but use libattr if we have to
2077         AC_CHECK_FUNC(lsetxattr, ,
2078                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2079         )
2080         AC_SUBST(XATTR_LIB)
2081
2082         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2083         AC_CHECK_MEMBERS(
2084                 [struct kinfo_proc.kp_proc],,, 
2085                 [#include <sys/types.h>
2086                  #include <sys/param.h>
2087                  #include <sys/sysctl.h>
2088                  #include <sys/proc.h>
2089                  ])
2090
2091         dnl *********************************
2092         dnl *** Checks for Windows compilation ***
2093         dnl *********************************
2094         AC_CHECK_HEADERS(sys/time.h)
2095         AC_CHECK_HEADERS(sys/param.h)
2096         AC_CHECK_HEADERS(dirent.h)
2097
2098         dnl ******************************************
2099         dnl *** Checks for OSX and iOS compilation ***
2100         dnl ******************************************
2101         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2102
2103         dnl *********************************
2104         dnl *** Check for Console 2.0 I/O ***
2105         dnl *********************************
2106         AC_CHECK_HEADERS([curses.h])
2107         AC_CHECK_HEADERS([term.h], [], [],
2108         [#if HAVE_CURSES_H
2109          #include <curses.h>
2110          #endif
2111         ])
2112         AC_CHECK_HEADERS([termios.h])
2113
2114         dnl * This is provided in io-layer, but on windows it's only available
2115         dnl * on xp+
2116         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2117 else
2118         dnl *********************************
2119         dnl *** Checks for Windows compilation ***
2120         dnl *********************************
2121         AC_CHECK_HEADERS(winternl.h)
2122
2123         jdk_headers_found=no
2124         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2125         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2126         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2127         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2128         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2129         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2130         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2131
2132         dnl *********************************
2133         dnl *** Check for struct ip_mreqn ***
2134         dnl *********************************
2135         AC_MSG_CHECKING(for struct ip_mreqn)
2136         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2137                 struct ip_mreqn mreq;
2138                 mreq.imr_address.s_addr = 0;
2139         ], [
2140                 # Yes, we have it...
2141                 AC_MSG_RESULT(yes)
2142                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2143         ], [
2144                 # We'll just have to try and use struct ip_mreq
2145                 AC_MSG_RESULT(no)
2146                 AC_MSG_CHECKING(for struct ip_mreq)
2147                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2148                         struct ip_mreq mreq;
2149                         mreq.imr_interface.s_addr = 0;
2150                 ], [
2151                         # Yes, we have it...
2152                         AC_MSG_RESULT(yes)
2153                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2154                 ], [
2155                         # No multicast support
2156                         AC_MSG_RESULT(no)
2157                 ])
2158         ])
2159         AC_CHECK_FUNCS(GetProcessId)
2160         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2161         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2162         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2163         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2164         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2165         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2166         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2167 fi
2168
2169 dnl socklen_t check
2170 AC_MSG_CHECKING(for socklen_t)
2171 AC_TRY_COMPILE([
2172 #include <sys/types.h>
2173 #include <sys/socket.h>
2174 ],[
2175   socklen_t foo;
2176 ],[
2177 ac_cv_c_socklen_t=yes
2178         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2179         AC_MSG_RESULT(yes)
2180 ],[
2181         AC_MSG_RESULT(no)
2182 ])
2183
2184 AC_MSG_CHECKING(for array element initializer support)
2185 AC_TRY_COMPILE([#include <sys/socket.h>], [
2186         const int array[] = {[1] = 2,};
2187 ], [
2188         # Yes, we have it...
2189         AC_MSG_RESULT(yes)
2190         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2191 ], [
2192         # We'll have to use signals
2193         AC_MSG_RESULT(no)
2194 ])
2195
2196 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2197         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2198         AC_TRY_LINK([#include <math.h>], 
2199         [ static void *p = &trunc; ],
2200         [
2201                 AC_DEFINE(HAVE_TRUNC) 
2202                 AC_MSG_RESULT(yes)
2203                 ac_cv_trunc=yes
2204         ],
2205         AC_MSG_RESULT(no)))
2206
2207 if test "x$ac_cv_truncl" != "xyes"; then
2208    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2209 fi
2210
2211 AC_CHECK_FUNCS(round)
2212 AC_CHECK_FUNCS(rint)
2213 AC_CHECK_FUNCS(execvp)
2214
2215 dnl ****************************
2216 dnl *** Look for /dev/random ***
2217 dnl ****************************
2218
2219 AC_MSG_CHECKING([if usage of random device is requested])
2220 AC_ARG_ENABLE(dev-random,
2221 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2222 try_dev_random=$enableval, try_dev_random=yes)
2223
2224 AC_MSG_RESULT($try_dev_random)
2225
2226 case "{$build}" in
2227     *-openbsd*)
2228     NAME_DEV_RANDOM="/dev/srandom"
2229     ;;
2230
2231 dnl Win32 does not have /dev/random, they have their own method...
2232
2233     *-mingw*|*-*-cygwin*)
2234     ac_cv_have_dev_random=no
2235     ;;
2236
2237 dnl Everywhere else, it's /dev/random
2238
2239     *)
2240     NAME_DEV_RANDOM="/dev/random"
2241     ;;
2242 esac
2243
2244 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2245
2246 dnl Now check if the device actually exists
2247
2248 if test "x$try_dev_random" = "xyes"; then
2249     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2250     [if test -r "$NAME_DEV_RANDOM" ; then
2251         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2252     if test "x$ac_cv_have_dev_random" = "xyes"; then
2253         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2254     fi
2255 else
2256     AC_MSG_CHECKING(for random device)
2257     ac_cv_have_dev_random=no
2258     AC_MSG_RESULT(has been disabled)
2259 fi
2260
2261 if test "x$host_win32" = "xyes"; then
2262     AC_DEFINE(HAVE_CRYPT_RNG)
2263 fi
2264
2265 if test "x$ac_cv_have_dev_random" = "xno" \
2266     && test "x$host_win32" = "xno"; then
2267     AC_MSG_WARN([[
2268 ***
2269 *** A system-provided entropy source was not found on this system.
2270 *** Because of this, the System.Security.Cryptography random number generator
2271 *** will throw a NotImplemented exception.
2272 ***
2273 *** If you are seeing this message, and you know your system DOES have an
2274 *** entropy collection in place, please contact <crichton@gimp.org> and
2275 *** provide information about the system and how to access the random device.
2276 ***
2277 *** Otherwise you can install either egd or prngd and set the environment
2278 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2279 ***]])
2280 fi
2281  
2282 AC_MSG_CHECKING([if inter-process shared handles are requested])
2283 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2284 AC_MSG_RESULT($try_shared_handles)
2285 if test "x$try_shared_handles" != "xyes"; then
2286         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2287         AC_SUBST(DISABLE_SHARED_HANDLES)
2288 fi
2289
2290 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2291
2292 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2293 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2294
2295 AC_MSG_CHECKING([if big-arrays are to be enabled])
2296 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2297 if test "x$enable_big_arrays" = "xyes" ; then
2298     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2299         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2300     else
2301         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2302     fi
2303 fi
2304 AC_MSG_RESULT($enable_big_arrays)
2305
2306 dnl **************
2307 dnl *** DTRACE ***
2308 dnl **************
2309
2310 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2311
2312 if test "x$enable_dtrace" = "xyes"; then
2313    if test "x$has_dtrace" = "xno"; then
2314           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2315    fi
2316    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2317    if test "x$DTRACE" = "xno"; then
2318           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2319           enable_dtrace=no
2320    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2321           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2322           enable_dtrace=no
2323    fi
2324 fi
2325
2326 dtrace_g=no
2327 if test "x$enable_dtrace" = "xyes"; then
2328         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2329         DTRACEFLAGS=
2330         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2331                 case "$host" in
2332                         powerpc-*-darwin*)
2333                         DTRACEFLAGS="-arch ppc64"
2334                         ;;
2335                         i*86-*-darwin*)
2336                         DTRACEFLAGS="-arch x86_64"
2337                         ;;
2338                         *)
2339                         DTRACEFLAGS=-64
2340                         ;;
2341                 esac
2342         else
2343                 case "$host" in
2344                         powerpc-*-darwin*)
2345                         DTRACEFLAGS="-arch ppc"
2346                         ;;
2347                         i*86-*-darwin*)
2348                         DTRACEFLAGS="-arch i386"
2349                         ;;
2350                         *)
2351                         DTRACEFLAGS=-32
2352                         ;;
2353                 esac
2354         fi
2355         AC_SUBST(DTRACEFLAGS)
2356         case "$host" in
2357                 *-*-solaris*)
2358                 dtrace_g=yes
2359                 ;;
2360         esac
2361         AC_CHECK_HEADERS([sys/sdt.h])
2362 fi
2363 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2364 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2365
2366 dnl **************
2367 dnl ***  NaCl  ***
2368 dnl **************
2369
2370 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2371 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2372
2373 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2374
2375 dnl
2376 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2377 dnl
2378 nacl_self_host=""
2379 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2380    nacl_self_host="nacl_self_host"
2381 fi
2382 AC_SUBST(nacl_self_host)
2383
2384 if test "x$enable_nacl_codegen" = "xyes"; then
2385    MONO_NACL_ALIGN_MASK_OFF=1
2386    AC_DEFINE(TARGET_NACL, 1, [...])
2387    AC_DEFINE(__native_client_codegen__, 1, [...])
2388 else
2389    MONO_NACL_ALIGN_MASK_OFF=0
2390    AC_DEFINE(__default_codegen__, 1, [...])
2391 fi
2392 if test "x$enable_nacl_gc" = "xyes"; then
2393    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2394       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2395    else
2396       # Not yet implemented
2397       INSTRUMENT_CFLAG=""
2398    fi
2399    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2400 fi
2401 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2402
2403 dnl **************
2404 dnl ***  LLVM  ***
2405 dnl **************
2406
2407 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2408 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2409 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2410
2411 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2412
2413 if test "x$enable_llvm" = "xyes"; then
2414    if test "x$with_llvm" != "x"; then
2415           LLVM_CONFIG=$with_llvm/bin/llvm-config
2416           if test ! -x $LLVM_CONFIG; then
2417                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2418       fi
2419    else
2420       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2421       if test "x$LLVM_CONFIG" = "xno"; then
2422              AC_MSG_ERROR([llvm-config not found.])
2423       fi
2424    fi
2425
2426    llvm_codegen="x86codegen"
2427    case "$target" in
2428    arm*)
2429                 llvm_codegen="armcodegen"
2430                 ;;
2431    esac
2432
2433    # The output of --cflags seems to include optimizations flags too
2434    LLVM_CFLAGS=`$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'`
2435    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2436    # from LLVM classes.
2437    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2438    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2439    # This might include empty lines
2440    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2441    if test "x$host" != "x$target"; then
2442       # No need for jit libs
2443       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2444    else
2445       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2446    fi
2447    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS -lstdc++"
2448
2449    expected_llvm_version="3.4svn-mono-mono/e656cac"
2450
2451    # Should be something like '2.6' or '2.7svn'
2452    llvm_version=`$LLVM_CONFIG --version`
2453    major_version=`echo $llvm_version | cut -c 1`
2454    minor_version=`echo $llvm_version | cut -c 3`
2455    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>&1`
2456    AC_MSG_CHECKING(LLVM version)
2457    AC_MSG_RESULT($llvm_version)
2458    if echo $llvm_version | grep -q 'mono'; then
2459           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2460           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"       
2461           if test "x$enable_llvm_version_check" == "xyes"; then
2462                  if test "$llvm_version" != "$expected_llvm_version"; then
2463                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2464                  fi
2465           fi
2466           if test "x$llvm_api_version" = "x"; then
2467                 LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2468           else
2469                 LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2470           fi
2471    else
2472           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.])
2473    fi
2474
2475    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2476    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2477    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2478
2479    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2480    # llvm's config.h
2481    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2482
2483    AC_SUBST(LLVM_CFLAGS)
2484    AC_SUBST(LLVM_CXXFLAGS)
2485    AC_SUBST(LLVM_LIBS)
2486    AC_SUBST(LLVM_LDFLAGS)
2487    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2488 fi
2489
2490 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2491 if test "x$enable_loadedllvm" = "xyes"; then
2492    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2493 fi
2494 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2495
2496 TARGET="unknown"
2497 ACCESS_UNALIGNED="yes"
2498
2499 JIT_SUPPORTED=no
2500 INTERP_SUPPORTED=no
2501 LIBC="libc.so.6"
2502 INTL="libc.so.6"
2503 SQLITE="libsqlite.so.0"
2504 SQLITE3="libsqlite3.so.0"
2505 X11="libX11.so"
2506
2507 sizeof_register="SIZEOF_VOID_P"
2508
2509 jit_wanted=true
2510 interp_wanted=false
2511 sgen_supported=false
2512 case "$host" in
2513         mips*)
2514                 TARGET=MIPS;
2515                 arch_target=mips;
2516                 sgen_supported=true
2517                 ACCESS_UNALIGNED="no"
2518                 JIT_SUPPORTED=yes
2519
2520                 AC_MSG_CHECKING(for mips n32)
2521                 AC_TRY_COMPILE([],[
2522                 #if _MIPS_SIM != _ABIN32
2523                 #error Not mips n32
2524                 #endif
2525                 return 0;
2526                 ],[
2527                 AC_MSG_RESULT(yes)
2528                 sizeof_register=8
2529                 ],[
2530                 AC_MSG_RESULT(no)
2531                 ])
2532                 ;;
2533         i*86-*-*)
2534                 TARGET=X86;
2535                 arch_target=x86;
2536                 JIT_SUPPORTED=yes
2537                 case $host_os in
2538                   solaris*)
2539                         LIBC="libc.so"
2540                         INTL="libintl.so"
2541                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2542                                 TARGET=AMD64
2543                                 arch_target=amd64
2544                         fi
2545
2546                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2547                         # int astruct __attribute__ ((visibility ("hidden")));
2548                         # void foo ()
2549                         # {
2550                         #       void *p = &astruct;
2551                         # }
2552                         # gcc -fPIC --shared -o libfoo.so foo.c
2553                         # yields:
2554                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2555                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2556                         have_visibility_hidden=no
2557                         sgen_supported=true
2558                         ;;
2559                   mingw*|cygwin*)
2560                         sgen_supported=true
2561                         have_visibility_hidden=no                 
2562                         ;;
2563                   haiku*)
2564                         LIBC=libroot.so
2565                         ;;
2566                   linux*)
2567                         sgen_supported=true
2568                         AOT_SUPPORTED="yes"
2569                         ;;
2570                   darwin*)
2571                         sgen_supported=true
2572                         AOT_SUPPORTED="yes"
2573                         ;;
2574                   darwin*|openbsd*|freebsd*)
2575                         sgen_supported=true
2576                         ;;
2577                 esac
2578                 ;;
2579         x86_64-*-* | amd64-*-*)
2580                 TARGET=AMD64;
2581                 arch_target=amd64;
2582                 JIT_SUPPORTED=yes
2583                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2584                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2585                         sizeof_register=8
2586                 fi
2587                 case $host_os in
2588                   linux*)
2589                         sgen_supported=true
2590                         AOT_SUPPORTED="yes"
2591                         ;;
2592                   darwin*|openbsd*|freebsd*)
2593                         sgen_supported=true
2594                         ;;
2595                 esac
2596                 case "$host" in
2597                         x86_64-*-nacl*)
2598                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2599                                 sizeof_register=8
2600                                 ;;
2601                 esac
2602                 ;;
2603         ia64-*-*)
2604                 TARGET=IA64
2605                 arch_target=ia64
2606                 ACCESS_UNALIGNED="no"
2607                 JIT_SUPPORTED=yes
2608                 LIBC="libc.so.6.1"
2609                 INTL="libc.so.6.1"
2610                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2611                 libmono_ldflags="-lunwind"
2612                 ;;
2613         sparc*-*-*)
2614                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2615                    TARGET=SPARC64
2616                 else
2617                         TARGET=SPARC
2618                 fi
2619                 arch_target=sparc;
2620                 JIT_SUPPORTED=yes
2621                 ACCESS_UNALIGNED="no"
2622                 case $host_os in
2623                   linux*) ;;
2624                   *)
2625                         LIBC="libc.so"
2626                         INTL="libintl.so"
2627                 esac
2628                 if test x"$GCC" = xyes; then
2629                         # We don't support v8 cpus
2630                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2631                 fi
2632                 if test x"$AR" = xfalse; then
2633                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2634                 fi
2635                 sgen_supported=true
2636                 ;;
2637         *-mingw*|*-*-cygwin*)
2638                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2639                 have_visibility_hidden=no
2640                 INTL="intl"
2641                 ;;
2642         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2643         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2644                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2645                         TARGET=POWERPC64;
2646                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2647                         CFLAGS="$CFLAGS -mminimal-toc"
2648                 else
2649                         TARGET=POWERPC;
2650                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2651                 fi
2652                 arch_target=ppc;
2653                 JIT_SUPPORTED=yes
2654                 case $host_os in
2655                   linux*|darwin*)
2656                         sgen_supported=true
2657                         ;;
2658                 esac
2659                 ;;
2660         arm*-darwin*)
2661                 TARGET=ARM;
2662                 arch_target=arm;
2663                 ACCESS_UNALIGNED="no"
2664                 JIT_SUPPORTED=yes
2665                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2666                 # libgc's gc_locks.h depends on this
2667             CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC"
2668                 sgen_supported=true
2669                 ;;
2670         arm*-linux*)
2671                 TARGET=ARM;
2672                 arch_target=arm;
2673                 ACCESS_UNALIGNED="no"
2674                 JIT_SUPPORTED=yes
2675                 sgen_supported=true
2676                 AOT_SUPPORTED="yes"
2677                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2678                 ;;
2679 # TODO: make proper support for NaCl host.
2680 #        arm*-*nacl)
2681 #               TARGET=ARM;
2682 #               arch_target=arm;
2683 #               ACCESS_UNALIGNED="no"
2684 #               JIT_SUPPORTED=yes
2685 #               sgen_supported=true
2686 #               AOT_SUPPORTED="no"
2687 #               ;;
2688         s390x-*-linux*)
2689                 TARGET=S390X;
2690                 arch_target=s390x;
2691                 ACCESS_UNALIGNED="yes"
2692                 JIT_SUPPORTED=yes
2693                 sgen_supported=true
2694                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2695                 ;;
2696 esac
2697
2698 HOST=$TARGET
2699
2700 if test "x$host" != "x$target"; then
2701    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2702    enable_mcs_build=no
2703    case "$target" in
2704    arm*-darwin*)
2705                 TARGET=ARM;
2706                 arch_target=arm;
2707                 ACCESS_UNALIGNED="no"
2708                 JIT_SUPPORTED=yes
2709                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2710                 jit_wanted=true
2711                 # Can't use tls, since it depends on the runtime detection of tls offsets
2712                 # in mono-compiler.h
2713                 with_tls=pthread
2714                 ;;
2715    powerpc64-ps3-linux-gnu)
2716                 TARGET=POWERPC64
2717                 arch_target=powerpc64
2718                 AC_DEFINE(TARGET_PS3, 1, [...])
2719                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2720                 # uses this define
2721                 AC_DEFINE(__mono_ppc64__, 1, [...])
2722                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2723                 sizeof_register=8
2724                 target_byte_order=G_BIG_ENDIAN
2725                 ;;
2726
2727    powerpc64-xbox360-linux-gnu)
2728                 TARGET=POWERPC64
2729                 arch_target=powerpc64
2730                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2731                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2732                 # uses this define
2733                 sizeof_register=8
2734                 target_byte_order=G_BIG_ENDIAN
2735                 ;;
2736    x86_64-*-nacl)
2737                 TARGET=AMD64
2738                 arch_target=amd64
2739                 AC_DEFINE(TARGET_AMD64, 1, [...])
2740                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2741                 sizeof_register=8
2742                 ;;
2743 # TODO: make proper support for NaCl target.
2744 #   arm*-*nacl)
2745 #               TARGET=ARM
2746 #               arch_target=arm
2747 #               AC_DEFINE(TARGET_ARM, 1, [...])
2748 #               ACCESS_UNALIGNED="no"
2749 #               JIT_SUPPORTED=yes
2750 #               sizeof_register=4
2751 #               CPPFLAGS="$CPPFLAGS \
2752 #                    -D__ARM_EABI__ \
2753 #                    -D__arm__ \
2754 #                    -D__portable_native_client__ \
2755 #                    -Dtimezone=_timezone \
2756 #                    -DDISABLE_SOCKETS \
2757 #                    -DDISABLE_ATTACH \
2758 #                    -DUSE_NEWLIB"
2759 #               jit_wanted=true
2760                 # Can't use tls, since it depends on the runtime detection of tls offsets
2761                 # in mono-compiler.h
2762 #               with_tls=pthread
2763 #               ;;
2764    i686-*-nacl)
2765                 TARGET=X86
2766                 arch_target=x86
2767                 AC_DEFINE(TARGET_X86, 1, [...])
2768                 sizeof_register=4
2769                 ;;
2770    arm*-linux-*)
2771                 TARGET=ARM;
2772                 arch_target=arm;
2773                 AC_DEFINE(TARGET_ARM, 1, [...])
2774                 ACCESS_UNALIGNED="no"
2775                 JIT_SUPPORTED=yes
2776                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2777                 jit_wanted=true
2778                 # Can't use tls, since it depends on the runtime detection of tls offsets
2779                 # in mono-compiler.h
2780                 with_tls=pthread
2781                 target_mach=no
2782                 case "$target" in
2783                 armv7l-unknown-linux-gnueabi*)
2784                         # TEGRA
2785                         CPPFLAGS="$CPPFLAGS"
2786                         ;;
2787                 armv5-*-linux-androideabi*)
2788                         AC_DEFINE(TARGET_ANDROID, 1, [...])
2789                         CPPFLAGS="$CPPFLAGS"
2790                         ;;
2791                 esac
2792                 ;;
2793         *)
2794                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2795         esac
2796 fi
2797
2798 case "$TARGET" in
2799 X86)
2800         AC_DEFINE(TARGET_X86, 1, [...])
2801         ;;
2802 AMD64)
2803         AC_DEFINE(TARGET_AMD64, 1, [...])
2804         ;;
2805 ARM)
2806         AC_DEFINE(TARGET_ARM, 1, [...])
2807         ;;
2808 POWERPC)
2809         AC_DEFINE(TARGET_POWERPC, 1, [...])
2810         ;;
2811 POWERPC64)
2812         AC_DEFINE(TARGET_POWERPC, 1, [...])
2813         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2814         ;;
2815 S390X)
2816         AC_DEFINE(TARGET_S390X, 1, [...])
2817         ;;
2818 MIPS)
2819         AC_DEFINE(TARGET_MIPS, 1, [...])
2820         ;;
2821 IA64)
2822         AC_DEFINE(TARGET_IA64, 1, [...])
2823         ;;
2824 SPARC)
2825         AC_DEFINE(TARGET_SPARC, 1, [...])
2826         ;;
2827 SPARC64)
2828         AC_DEFINE(TARGET_SPARC64, 1, [...])
2829         ;;
2830 esac
2831
2832 dnl Use GCC atomic ops if they work on the target.
2833 if test x$GCC = "xyes"; then
2834         case $TARGET in
2835         X86 | AMD64 | ARM | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
2836                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
2837                 ;;
2838         esac
2839 fi
2840
2841 if test "x$target_mach" = "xyes"; then
2842    if test "x$TARGET" = "xARM"; then
2843           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2844           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2845           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2846    else
2847        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2848        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2849        #error fail this for ios
2850        #endif
2851        return 0;
2852        ], [
2853                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2854           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2855           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2856        ], [
2857           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2858           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2859           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2860        ])
2861         fi
2862    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2863 fi
2864
2865 if test "x$sizeof_register" = "x4"; then
2866    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2867 elif test "x$sizeof_register" = "x8"; then
2868    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2869 else
2870    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2871 fi
2872
2873 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2874    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2875 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2876    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2877 else
2878    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2879 fi
2880
2881 if test "x$have_visibility_hidden" = "xyes"; then
2882    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2883 fi
2884
2885 if test "x$have_deprecated" = "xyes"; then
2886    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2887 fi
2888
2889 dnl 
2890 dnl Simple Generational checks (sgen)
2891 dnl
2892 if $sgen_supported; then
2893    build_sgen_default=yes
2894 else
2895    build_sgen_default=no
2896 fi
2897 SGEN_DEFINES=
2898 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2899 if test x$buildsgen = xyes; then
2900    if $sgen_supported; then
2901        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2902        gc_msg="sgen and $gc_msg"
2903    else
2904        buildsgen=no
2905        AC_MSG_WARN("Sgen is not supported on this platform")
2906    fi
2907 fi
2908 AC_SUBST(SGEN_DEFINES)
2909 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2910
2911 USEJIT=false
2912 if test x$JIT_SUPPORTED = xyes; then
2913    if $jit_wanted; then
2914       USEJIT=true
2915       jit_status="Building and using the JIT"
2916    else
2917       if $interp_wanted; then
2918          jit_status="Building the JIT, defaulting to the interpreter"
2919       else
2920          AC_ERROR(No JIT or interpreter support available or selected.)
2921       fi
2922    fi
2923 else
2924    if test x$interp_wanted = xtrue; then
2925       jit_status="interpreter"
2926    else
2927       AC_ERROR(No JIT or interpreter support available or selected.)
2928    fi
2929 fi
2930
2931 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2932
2933 libsuffix=".so"
2934
2935 case "$host" in
2936      *-*-darwin*)
2937         libsuffix=".dylib"
2938         LIBC="libc.dylib"
2939         INTL="libintl.dylib"
2940         SQLITE="libsqlite.0.dylib"
2941         SQLITE3="libsqlite3.0.dylib"
2942         X11="libX11.dylib"
2943         ;;
2944      *-*-*netbsd*)
2945         LIBC="libc.so.12"
2946         INTL="libintl.so.0"
2947         ;;
2948     *-*-*freebsd*)
2949         LIBC="libc.so"
2950         INTL="libintl.so"
2951         SQLITE="libsqlite.so"
2952         SQLITE3="libsqlite3.so"
2953         ;;
2954     *-*-*openbsd*)
2955         LIBC="libc.so"
2956         INTL="libintl.so"
2957         SQLITE="libsqlite.so"
2958         SQLITE3="libsqlite3.so"
2959         ;;
2960     *-*-*linux*)
2961         AC_PATH_X
2962         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
2963         AC_MSG_CHECKING(for the soname of libX11.so)
2964         for i in $x_libraries $dlsearch_path; do
2965                 for r in 4 5 6; do
2966                         if test -f $i/libX11.so.$r; then
2967                                 X11=libX11.so.$r
2968                                 AC_MSG_RESULT($X11)
2969                         fi
2970                 done
2971         done
2972         
2973         if test "x$X11" = "xlibX11.so"; then
2974                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2975                 X11=libX11.so.6
2976         fi
2977         ;;
2978 esac
2979
2980
2981 AC_SUBST(libsuffix)
2982
2983 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2984         if test "x$with_tls" = "x__thread"; then
2985                 #
2986                 # On some linux distributions, TLS works in executables, but linking 
2987                 # against a shared library containing TLS fails with:
2988                 # undefined reference to `__tls_get_addr'
2989                 #
2990                 rm -f conftest.c conftest.so conftest
2991                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
2992                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2993                 $CC -o conftest conftest.so > /dev/null 2>&1
2994                 if test ! -f conftest; then
2995                    AC_MSG_WARN([Disabling usage of __thread.]);
2996                    with_tls=pthread
2997                 fi
2998                 rm -f conftest.c conftest.so conftest
2999         fi
3000 fi
3001
3002 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3003 if test "x$icall_symbol_map" = "xyes"; then
3004    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3005 fi
3006
3007 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3008 if test "x$icall_export" = "xyes"; then
3009    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3010 fi
3011
3012 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3013 if test "x$icall_tables" = "xno"; then
3014    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3015 fi
3016
3017 if test "x$with_tls" = "x__thread"; then
3018         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3019         # Pass the information to libgc
3020         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3021         AC_MSG_CHECKING(if the tls_model attribute is supported)
3022         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3023                 ], [
3024                         AC_MSG_RESULT(yes)
3025                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3026                 ], [
3027                         AC_MSG_RESULT(no)
3028         ])
3029 fi
3030
3031 if test ${TARGET} = ARM; then
3032         dnl ******************************************
3033         dnl *** Check to see what FPU is available ***
3034         dnl ******************************************
3035         AC_MSG_CHECKING(which FPU to use)
3036
3037         #
3038         # This is a bit tricky:
3039         #
3040         # if (__ARM_PCS_VFP) {
3041         #       /* mfloat-abi=hard == VFP with hard ABI */
3042         # } elif (!__SOFTFP__) {
3043         #       /* mfloat-abi=softfp == VFP with soft ABI */
3044         # } else {
3045         #       /* mfloat-abi=soft == no VFP */
3046         # }
3047         #
3048         # The exception is iOS (w/ GCC) where none of the above
3049         # are defined (but iOS always uses the 'softfp' ABI).
3050         #
3051         # No support for FPA.
3052         #
3053
3054         fpu=NONE
3055
3056         # iOS GCC always uses the 'softfp' ABI.
3057         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3058                 fpu=VFP
3059         fi
3060
3061         # Are we using the 'hard' ABI?
3062         if test x$fpu = xNONE; then
3063                 AC_TRY_COMPILE([], [
3064                         #ifndef __ARM_PCS_VFP
3065                         #error "Float ABI is not 'hard'"
3066                         #endif
3067                         return 0;
3068                 ], [
3069                         fpu=VFP_HARD
3070                 ], [
3071                         fpu=NONE
3072                 ])
3073         fi
3074
3075         # No 'hard' ABI. 'soft' or 'softfp'?
3076         if test x$fpu = xNONE; then
3077                 AC_TRY_COMPILE([], [
3078                         #ifdef __SOFTFP__
3079                         #error "Float ABI is not 'softfp'"
3080                         #endif
3081                         return 0;
3082                 ], [
3083                         fpu=VFP
3084                 ], [
3085                         fpu=NONE
3086                 ])
3087         fi
3088
3089         AC_MSG_RESULT($fpu)
3090         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3091         unset fpu
3092
3093         dnl *********************************************
3094         dnl *** Check which ARM version(s) we can use ***
3095         dnl *********************************************
3096         AC_MSG_CHECKING(which ARM version to use)
3097
3098         AC_TRY_COMPILE([], [
3099                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3100                 #error Not on ARM v5.
3101                 #endif
3102                 return 0;
3103         ], [
3104                 arm_v5=yes
3105
3106                 arm_ver=ARMv5
3107         ], [])
3108
3109         AC_TRY_COMPILE([], [
3110                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3111                 #error Not on ARM v6.
3112                 #endif
3113                 return 0;
3114         ], [
3115                 arm_v5=yes
3116                 arm_v6=yes
3117
3118                 arm_ver=ARMv6
3119         ], [])
3120
3121         AC_TRY_COMPILE([], [
3122                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3123                 #error Not on ARM v7.
3124                 #endif
3125                 return 0;
3126         ], [
3127                 arm_v5=yes
3128                 arm_v6=yes
3129                 arm_v7=yes
3130
3131                 arm_ver=ARMv7
3132         ], [])
3133
3134         AC_MSG_RESULT($arm_ver)
3135
3136         if test x$arm_v5 = xyes; then
3137                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3138                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3139         fi
3140
3141         if test x$arm_v6 = xyes; then
3142                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3143                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3144         fi
3145
3146         if test x$arm_v7 = xyes; then
3147                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3148                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3149         fi
3150 fi
3151
3152 if test ${TARGET} = ARM; then
3153         if test "x${with_jumptables}" = "xyes"; then
3154                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3155         fi
3156 fi
3157
3158 if test ${TARGET} = unknown; then
3159         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3160         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3161 fi
3162
3163 if test ${ACCESS_UNALIGNED} = no; then
3164         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3165 fi
3166
3167 case "x$gc" in
3168         xincluded)
3169                 # Pass CPPFLAGS to libgc configure
3170                 # We should use a separate variable for this to avoid passing useless and
3171                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3172                 # This should be executed late so we pick up the final version of CPPFLAGS
3173                 # The problem with this approach, is that during a reconfigure, the main
3174                 # configure scripts gets invoked with these arguments, so we use separate
3175                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3176                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3177                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3178                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3179                 fi
3180                 # Don't pass -finstrument-for-thread-suspension in, 
3181                 # if these are instrumented it will be very bad news 
3182                 # (infinite recursion, undefined parking behavior, etc)
3183                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3184                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3185                 AC_CONFIG_SUBDIRS(libgc)
3186                 ;;
3187 esac
3188
3189 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
3190 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
3191 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
3192 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3193 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3194 AC_ARG_WITH(xammac,    [  --with-xammac=yes,no,only       If you want to build the Xamarin.Mac assemblies (defaults to no)],   [], [with_xammac=no])
3195
3196 OPROFILE=no
3197 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3198         if test x$with_oprofile != xno; then
3199             oprofile_include=$with_oprofile/include
3200             if test ! -f $oprofile_include/opagent.h; then
3201                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3202                 fi
3203             OPROFILE=yes
3204                 OPROFILE_CFLAGS="-I$oprofile_include"
3205             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3206             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3207         fi
3208 ])
3209
3210 MALLOC_MEMPOOLS=no
3211 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3212         if test x$with_malloc_mempools = xyes; then
3213                 MALLOC_MEMPOOLS=yes
3214                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3215         fi
3216 ])
3217
3218
3219 DISABLE_MCS_DOCS=no
3220 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3221         if test x$with_mcs_docs != xyes; then
3222                 DISABLE_MCS_DOCS=yes
3223         fi
3224 ])
3225 if test x$with_profile4 != xyes; then
3226         DISABLE_MCS_DOCS=yes
3227 fi
3228
3229 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3230         if test x$with_lazy_gc_thread_creation != xno ; then
3231                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3232         fi
3233 ], [with_lazy_gc_thread_creation=no])
3234
3235 AC_CHECK_HEADER([malloc.h], 
3236                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3237                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3238
3239 if test x"$GCC" = xyes; then
3240         # Implicit function declarations are not 64 bit safe
3241         # Do this late, since this causes lots of configure tests to fail
3242         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3243         # jay has a lot of implicit declarations
3244         JAY_CFLAGS="-Wno-implicit-function-declaration"
3245 fi
3246
3247 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3248 # instead of libmono-static.a
3249 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3250    LIBMONO_LA=libmini-static.la
3251 else
3252    if test x$buildsgen = xyes; then
3253       LIBMONO_LA=libmonosgen-$API_VER.la
3254    else
3255       LIBMONO_LA=libmonoboehm-$API_VER.la
3256    fi
3257 fi
3258 AC_SUBST(LIBMONO_LA)
3259
3260 dnl
3261 dnl Consistency settings
3262 dnl
3263 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3264    DISABLE_MCS_DOCS=yes
3265    with_profile2=no
3266    with_profile4=no
3267    with_profile4_5=no
3268    with_monodroid=no
3269    with_monotouch=no
3270    with_xammac=no
3271 fi
3272
3273 if test x$DISABLE_MCS_DOCS = xyes; then
3274    docs_dir=""
3275 else
3276    docs_dir=docs
3277 fi
3278 AC_SUBST(docs_dir)
3279
3280 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3281 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3282
3283 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3284 AC_SUBST(OPROFILE_CFLAGS)
3285 AC_SUBST(OPROFILE_LIBS)
3286
3287 libmono_ldflags="$libmono_ldflags $LIBS"
3288
3289 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3290 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3291 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3292 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3293 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3294 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3295 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3296 AM_CONDITIONAL(ONLY_XAMMAC, [test "x$with_xammac" = "xonly"])
3297
3298 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3299 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3300 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3301 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3302 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3303 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3304 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3305 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3306 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3307 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3308 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3309 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3310 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3311 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3312 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3313 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3314
3315 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3316 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3317 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3318
3319 AC_SUBST(LIBC)
3320 AC_SUBST(INTL)
3321 AC_SUBST(SQLITE)
3322 AC_SUBST(SQLITE3)
3323 AC_SUBST(X11)
3324 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3325 AC_SUBST(arch_target)
3326 AC_SUBST(CFLAGS)
3327 AC_SUBST(CPPFLAGS)
3328 AC_SUBST(LDFLAGS)
3329
3330 mono_build_root=`pwd`
3331 AC_SUBST(mono_build_root)
3332
3333 if test x$USEJIT = xtrue; then
3334   mono_runtime=mono/mini/mono
3335 else
3336   mono_runtime=mono/interpreter/mint
3337 fi
3338 AC_SUBST(mono_runtime)
3339
3340 mono_cfg_root=$mono_build_root/runtime
3341 if test x$host_win32 = xyes; then
3342   if test "x$cross_compiling" = "xno"; then
3343     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3344   else
3345     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3346   fi
3347 else
3348   mono_cfg_dir=$mono_cfg_root/etc
3349 fi
3350 AC_SUBST(mono_cfg_dir)
3351
3352 AC_CONFIG_FILES([po/mcs/Makefile.in])
3353
3354 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3355 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3356
3357 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3358 [   depth=../../../..
3359     case $srcdir in
3360     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3361     .) reldir=$depth ;;
3362     *) reldir=$depth/$srcdir ;;
3363     esac
3364     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3365     cd runtime/etc/mono/1.0
3366     rm -f machine.config
3367     $LN_S $reldir/data/net_1_1/machine.config machine.config
3368     cd $depth
3369 ],[LN_S='$LN_S'])
3370
3371 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3372 [   depth=../../../..
3373     case $srcdir in
3374     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3375     .) reldir=$depth ;;
3376     *) reldir=$depth/$srcdir ;;
3377     esac
3378     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3379     cd runtime/etc/mono/2.0
3380     rm -f machine.config
3381     $LN_S $reldir/data/net_2_0/machine.config machine.config
3382     cd $depth
3383 ],[LN_S='$LN_S'])
3384
3385 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3386 [   depth=../../../..
3387     case $srcdir in
3388     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3389     .) reldir=$depth ;;
3390     *) reldir=$depth/$srcdir ;;
3391     esac
3392     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3393     cd runtime/etc/mono/2.0
3394     rm -f web.config
3395     $LN_S $reldir/data/net_2_0/web.config web.config
3396     cd $depth
3397 ],[LN_S='$LN_S'])
3398
3399 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3400 [   depth=../../..
3401     case $srcdir in
3402     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3403     .) reldir=$depth ;;
3404     *) reldir=$depth/$srcdir ;;
3405     esac
3406     $ac_aux_dir/install-sh -d runtime/etc/mono/
3407     cd runtime/etc/mono/
3408     rm -f browscap.ini
3409     $LN_S $reldir/data/browscap.ini browscap.ini
3410     cd $depth
3411 ],[LN_S='$LN_S'])
3412
3413 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3414 [   depth=../../../../..
3415     case $srcdir in
3416     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3417     .) reldir=$depth ;;
3418     *) reldir=$depth/$srcdir ;;
3419     esac
3420     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3421     cd runtime/etc/mono/2.0/Browsers
3422     rm -f Compat.browser
3423     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3424     cd $depth
3425 ],[LN_S='$LN_S'])
3426
3427 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3428 [   depth=../../../../..
3429     case $srcdir in
3430     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3431     .) reldir=$depth ;;
3432     *) reldir=$depth/$srcdir ;;
3433     esac
3434     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3435     cd runtime/etc/mono/4.0/Browsers
3436     rm -f Compat.browser
3437     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3438     cd $depth
3439 ],[LN_S='$LN_S'])
3440
3441 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3442 [   depth=../../../../..
3443     case $srcdir in
3444     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3445     .) reldir=$depth ;;
3446     *) reldir=$depth/$srcdir ;;
3447     esac
3448     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3449     cd runtime/etc/mono/4.5/Browsers
3450     rm -f Compat.browser
3451     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3452     cd $depth
3453 ],[LN_S='$LN_S'])
3454
3455 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3456 [   depth=../../../..
3457     case $srcdir in
3458     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3459     .) reldir=$depth ;;
3460     *) reldir=$depth/$srcdir ;;
3461     esac
3462     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3463     cd runtime/etc/mono/4.0
3464     rm -f machine.config
3465     $LN_S $reldir/data/net_4_0/machine.config machine.config
3466     cd $depth
3467 ],[LN_S='$LN_S'])
3468
3469 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3470 [   depth=../../../..
3471     case $srcdir in
3472     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3473     .) reldir=$depth ;;
3474     *) reldir=$depth/$srcdir ;;
3475     esac
3476     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3477     cd runtime/etc/mono/4.0
3478     rm -f web.config
3479     $LN_S $reldir/data/net_4_0/web.config web.config
3480     cd $depth
3481 ],[LN_S='$LN_S'])
3482
3483 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3484 [   depth=../../../..
3485     case $srcdir in
3486     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3487     .) reldir=$depth ;;
3488     *) reldir=$depth/$srcdir ;;
3489     esac
3490     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3491     cd runtime/etc/mono/4.5
3492     rm -f machine.config
3493     $LN_S $reldir/data/net_4_5/machine.config machine.config
3494     cd $depth
3495 ],[LN_S='$LN_S'])
3496
3497 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3498 [   depth=../../../..
3499     case $srcdir in
3500     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3501     .) reldir=$depth ;;
3502     *) reldir=$depth/$srcdir ;;
3503     esac
3504     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3505     cd runtime/etc/mono/4.5
3506     rm -f web.config
3507     $LN_S $reldir/data/net_4_5/web.config web.config
3508     cd $depth
3509 ],[LN_S='$LN_S'])
3510
3511 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])
3512
3513 AC_OUTPUT([
3514 Makefile
3515 mono-core.spec
3516 mono-uninstalled.pc
3517 scripts/mono-find-provides
3518 scripts/mono-find-requires
3519 mono/Makefile
3520 mono/utils/Makefile
3521 mono/metadata/Makefile
3522 mono/dis/Makefile
3523 mono/cil/Makefile
3524 mono/arch/Makefile
3525 mono/arch/x86/Makefile
3526 mono/arch/amd64/Makefile
3527 mono/arch/ppc/Makefile
3528 mono/arch/sparc/Makefile
3529 mono/arch/s390x/Makefile
3530 mono/arch/arm/Makefile
3531 mono/arch/ia64/Makefile
3532 mono/arch/mips/Makefile
3533 mono/interpreter/Makefile
3534 mono/tests/Makefile
3535 mono/tests/tests-config
3536 mono/tests/assemblyresolve/Makefile
3537 mono/tests/cas/Makefile
3538 mono/tests/cas/assembly/Makefile
3539 mono/tests/cas/demand/Makefile
3540 mono/tests/cas/inheritance/Makefile
3541 mono/tests/cas/linkdemand/Makefile
3542 mono/tests/cas/threads/Makefile
3543 mono/tests/gc-descriptors/Makefile
3544 mono/unit-tests/Makefile
3545 mono/benchmark/Makefile
3546 mono/monograph/Makefile
3547 mono/io-layer/Makefile
3548 mono/mini/Makefile
3549 mono/profiler/Makefile
3550 m4/Makefile
3551 ikvm-native/Makefile
3552 scripts/Makefile
3553 man/Makefile
3554 docs/Makefile
3555 data/Makefile
3556 data/net_2_0/Makefile
3557 data/net_4_0/Makefile
3558 data/net_4_5/Makefile
3559 data/net_2_0/Browsers/Makefile
3560 data/net_4_0/Browsers/Makefile
3561 data/net_4_5/Browsers/Makefile
3562 data/mint.pc
3563 data/mono-2.pc
3564 data/monosgen-2.pc
3565 data/mono.pc
3566 data/mono-cairo.pc
3567 data/mono-nunit.pc
3568 data/mono-options.pc
3569 data/mono-lineeditor.pc
3570 data/monodoc.pc
3571 data/mono.web.pc
3572 data/dotnet.pc
3573 data/dotnet35.pc
3574 data/wcf.pc
3575 data/cecil.pc
3576 data/system.web.extensions_1.0.pc
3577 data/system.web.extensions.design_1.0.pc
3578 data/system.web.mvc.pc
3579 data/system.web.mvc2.pc
3580 data/system.web.mvc3.pc
3581 data/aspnetwebstack.pc
3582 data/reactive.pc
3583 samples/Makefile
3584 support/Makefile
3585 data/config
3586 tools/Makefile
3587 tools/locale-builder/Makefile
3588 tools/sgen/Makefile
3589 runtime/Makefile
3590 msvc/Makefile
3591 po/Makefile
3592 ])
3593
3594 # Update all submodules recursively to ensure everything is checked out
3595 $srcdir/scripts/update_submodules
3596
3597 if test x$host_win32 = xyes; then
3598    # Get rid of 'cyg' prefixes in library names
3599    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3600    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3601    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3602    # executable doesn't work...
3603    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3604 fi
3605
3606 if test x$platform_darwin = xyes; then
3607    # This doesn't seem to be required and it slows down parallel builds
3608    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3609 fi
3610
3611 (
3612   case $prefix in
3613   NONE) prefix=$ac_default_prefix ;;
3614   esac
3615   case $exec_prefix in
3616   NONE) exec_prefix='${prefix}' ;;
3617   esac
3618
3619   #
3620   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3621   # any existing config.make.  This allows people to share the same source tree
3622   # with different build directories, one native and one cross
3623   #
3624   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3625
3626     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3627
3628     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3629     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3630     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3631     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3632     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3633     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3634     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3635     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3636
3637     case $INSTALL in
3638     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3639     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3640     esac
3641
3642     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3643
3644     export VERSION
3645     [myver=$($AWK 'BEGIN {
3646       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3647       if(length(vsplit [1]) > 4) {
3648         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3649       }
3650       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3651     }')]
3652
3653     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3654
3655     if test x$platform_darwin = xyes; then
3656       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3657     fi
3658
3659         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3660            enable_system_aot=yes
3661         fi
3662
3663         if test "x$enable_loadedllvm" = "xyes"; then
3664            # This seems to fail on the x86 buildbots
3665            enable_system_aot=no
3666         fi
3667
3668     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3669       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3670     fi
3671
3672     if test x$DISABLE_MCS_DOCS = xyes; then
3673       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3674     fi
3675
3676     if test x$has_extension_module != xno; then
3677         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3678     fi
3679
3680         default_profile=net_2_0
3681     if test -z "$INSTALL_4_0_TRUE"; then :
3682                 default_profile=net_4_0
3683     fi
3684     if test -z "$INSTALL_MONODROID_TRUE"; then :
3685                 default_profile=monodroid
3686     fi
3687     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3688                 default_profile=monotouch
3689     fi
3690         if test -z "$INSTALL_XAMMAC_TRUE"; then :
3691                 default_profile=xammac
3692         fi
3693     if test -z "$INSTALL_4_5_TRUE"; then :
3694                 default_profile=net_4_5
3695     fi
3696     
3697     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3698     
3699     if test "x$test_bcl_opt" = "xyes"; then    
3700       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3701     fi
3702
3703   fi
3704
3705   # if we have an olive folder, override the default settings
3706   if test -d $olivedir; then
3707
3708     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3709
3710       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3711
3712       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3713       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3714       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3715       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3716       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3717       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3718     fi
3719   fi
3720
3721 )
3722
3723 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3724
3725 echo "
3726         mcs source:    $mcsdir
3727
3728    Engine:
3729         GC:            $gc_msg 
3730         TLS:           $with_tls
3731         SIGALTSTACK:   $with_sigaltstack
3732         Engine:        $jit_status
3733         oprofile:      $OPROFILE
3734         BigArrays:     $enable_big_arrays
3735         DTrace:        $enable_dtrace
3736         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3737
3738    Libraries:
3739         .NET 2.0/3.5:  $with_profile2
3740         .NET 4.0:      $with_profile4
3741         .NET 4.5:      $with_profile4_5
3742         MonoDroid:     $with_monodroid
3743         MonoTouch:     $with_monotouch
3744         Xamarin.Mac:   $with_xammac
3745         JNI support:   $jdk_headers_found
3746         libgdiplus:    $libgdiplus_msg
3747         zlib:          $zlib_msg
3748         $disabled
3749 "
3750 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3751    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3752 fi