[System] Avoid an NRE when Close() and Write() are concurrent.
[mono.git] / configure.in
1 # Process this file with autoconf to produce a configure script.
2 #AC_PREREQ([2.62])
3
4 AC_INIT(mono, [3.2.5],
5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
6
7 AC_CONFIG_SRCDIR([README.md])
8 AC_CONFIG_MACRO_DIR([m4])
9 AC_CANONICAL_SYSTEM
10 AC_CANONICAL_HOST
11
12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
13 # The extra brackets are to foil regex-based scans.
14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
15
16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects])
17 AC_CONFIG_HEADERS([config.h])
18 AM_MAINTAINER_MODE
19
20 API_VER=2.0
21 AC_SUBST(API_VER)
22
23 AC_PROG_LN_S
24
25 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
26
27 case $host_os in
28 *cygwin* )
29                  echo "Run configure using ./configure --host=i686-pc-mingw32"
30                  exit 1
31 esac
32
33 # In case of cygwin, override LN_S, irrespective of what it determines.
34 # The build uses cygwin, but the actual runtime doesn't.
35 case $host_os in
36 *cygwin* ) LN_S='cp -p';;
37 esac
38
39 dnl
40 dnl libgc checks
41 dnl
42
43 gc_headers=no
44 gc=included
45 gc_msg="included Boehm"
46 use_included_gc=no
47 libgc_configure_args=
48
49 if test -d $srcdir/libgc ; then
50   gc_default=included
51 else
52   gc_default=boehm
53 fi
54
55 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
56 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
57 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
58 CFLAGS_FOR_LIBGC=$CFLAGS
59 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
60 CFLAGS_FOR_EGLIB=$CFLAGS
61
62 #
63 # These are the flags that need to be stored in the mono.pc file for 
64 # compiling code that will embed Mono
65 #
66 libmono_cflags=""
67 libmono_ldflags=""
68 AC_SUBST(libmono_cflags)
69 AC_SUBST(libmono_ldflags)
70
71 # Variable to have relocatable .pc files (lib, or lib64)
72 reloc_libdir=`basename ${libdir}`
73 AC_SUBST(reloc_libdir)
74
75 dnl if linker handles the version script
76 no_version_script=no
77
78 # Set to yes if Unix sockets cannot be created in an anonymous namespace
79 need_link_unlink=no
80
81 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
82 extra_runtime_ldflags=""
83
84 # Thread configuration inspired by sleepycat's db
85 AC_MSG_CHECKING([host platform characteristics])
86 libgc_threads=no
87 has_dtrace=no
88 parallel_mark=yes
89 ikvm_native=yes
90
91 case "$host" in
92         powerpc*-*-linux*)
93                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
94                 disable_munmap=yes
95         ;;
96 esac
97
98 host_win32=no
99 target_win32=no
100 platform_android=no
101 platform_darwin=no
102 case "$host" in
103         *-mingw*|*-*-cygwin*)
104                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
105                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
106                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
107                 host_win32=yes
108                 mono_cv_clang=no
109                 if test "x$cross_compiling" = "xno"; then
110                         target_win32=yes
111                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
112                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
113                         fi
114                 else
115                         target_win32=yes
116                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
117                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
118                 fi
119                 HOST_CC="gcc"
120                 # Windows 2000 is required that includes Internet Explorer 5.01
121                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
122                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
123                 libmono_cflags="-mms-bitfields -mwindows"
124                 libmono_ldflags="-mms-bitfields -mwindows"
125                 libdl=
126                 libgc_threads=win32
127                 gc_default=included
128                 with_sigaltstack=no
129                 LN_S=cp
130                 # This forces libgc to use the DllMain based thread registration code on win32
131                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
132                 ;;
133         *-*-*netbsd*)
134                 host_win32=no
135                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
136                 libmono_cflags="-D_REENTRANT"
137                 LDFLAGS="$LDFLAGS -pthread"
138                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
139                 libmono_ldflags="-pthread"
140                 need_link_unlink=yes
141                 libdl="-ldl"
142                 libgc_threads=pthreads
143                 with_sigaltstack=no
144                 use_sigposix=yes
145                 ;;
146         *-*-*freebsd*)
147                 host_win32=no
148                 if test "x$PTHREAD_CFLAGS" = "x"; then
149                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
150                         libmono_cflags=
151                 else
152                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
153                         libmono_cflags="$PTHREAD_CFLAGS"
154                 fi
155                 if test "x$PTHREAD_LIBS" = "x"; then
156                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
157                         libmono_ldflags="-pthread"
158                 else
159                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
160                         libmono_ldflags="$PTHREAD_LIBS"
161                 fi
162                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
163                 need_link_unlink=yes
164                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
165                 libdl=
166                 libgc_threads=pthreads
167                 use_sigposix=yes
168                 has_dtrace=yes
169                 ;;
170         *-*-*openbsd*)
171                 host_win32=no
172                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
173                 if test "x$disable_munmap" != "xyes"; then
174                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
175                 fi
176                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
177                 LDFLAGS="$LDFLAGS -pthread"
178                 need_link_unlink=yes
179                 AC_DEFINE(PTHREAD_POINTER_ID)
180                 libdl=
181                 gc_default=boehm
182                 libgc_threads=pthreads
183                 with_sigaltstack=no
184                 use_sigposix=yes
185                 ;;
186         *-*-linux-android*)
187                 host_win32=no
188                 platform_android=yes
189                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
190                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
191
192                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
193                 if test "x$disable_munmap" != "xyes"; then
194                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
195                 fi
196                 libmono_cflags="-D_REENTRANT"
197                 libdl="-ldl"
198                 libgc_threads=pthreads
199                 use_sigposix=yes
200
201                 with_tls=pthread
202                 with_sigaltstack=no
203                 with_static_mono=no
204
205                 # Android doesn't support boehm, as it's missing <link.h>
206                 support_boehm=no
207                 with_gc=sgen
208
209                 # isinf(3) requires -lm; see isinf check below
210                 LDFLAGS="$LDFLAGS -lm"
211
212                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
213                 # PAGE_SIZE; breaks mono/io-layer/collection.c
214                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
215                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
216                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
217
218                 # to bypass the underscore linker check, can't work when cross-compiling
219                 mono_cv_uscore=yes
220                 mono_cv_clang=no
221                 ;;
222         *-*-linux*)
223                 host_win32=no
224                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
225                 if test "x$disable_munmap" != "xyes"; then
226                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
227                 fi
228                 libmono_cflags="-D_REENTRANT"
229                 libdl="-ldl"
230                 libgc_threads=pthreads
231                 use_sigposix=yes
232                 if test "x$cross_compiling" != "xno"; then
233                         # to bypass the underscore linker check, not
234                         # available during cross-compilation
235                         mono_cv_uscore=no
236                 fi
237                 ;;
238         *-*-nacl*)
239                 host_win32=no
240                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
241                 if test "x$disable_munmap" != "xyes"; then
242                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
243                 fi
244                 libmono_cflags="-D_REENTRANT"
245                 libdl=
246                 libgc_threads=pthreads
247                 gc_default=boehm
248                 use_sigposix=yes
249                 ikvm_native=no
250                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
251                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
252                 ;;
253         *-*-hpux*)
254                 host_win32=no
255                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
256                 # +ESdbgasm only valid on bundled cc on RISC
257                 # silently ignored for ia64
258                 if test $GCC != "yes"; then
259                         CFLAGS="$CFLAGS +ESdbgasm"
260                         # Arrange for run-time dereferencing of null
261                         # pointers to produce a SIGSEGV signal.
262                         LDFLAGS="$LDFLAGS -z"
263                 fi
264                 CFLAGS="$CFLAGS +ESdbgasm"
265                 LDFLAGS="$LDFLAGS -z"
266                 libmono_cflags="-D_REENTRANT"
267                 libmono_ldflags="-lpthread"
268                 libgc_threads=pthreads
269                 need_link_unlink=yes
270                 use_sigposix=yes
271                 ;;
272         *-*-solaris*)
273                 host_win32=no
274                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
275                 need_link_unlink=yes
276                 libmono_cflags="-D_REENTRANT"
277                 libgc_threads=pthreads
278                 # This doesn't seem to work on solaris/x86, but the configure test runs
279                 with_tls=pthread
280                 has_dtrace=yes
281                 use_sigposix=yes
282                 enable_solaris_tar_check=yes
283                 ;;
284         *-*-darwin*)
285                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
286                 host_win32=no
287                 platform_darwin=yes
288                 target_mach=yes
289                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
290                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
291                 libmono_cflags="-D_THREAD_SAFE"
292                 need_link_unlink=yes
293                 AC_DEFINE(PTHREAD_POINTER_ID)
294                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
295                 no_version_script=yes
296                 libdl=
297                 libgc_threads=pthreads
298                 has_dtrace=yes
299                 if test "x$cross_compiling" = "xyes"; then
300                         has_broken_apple_cpp=yes
301                 fi
302                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
303                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
304                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
305                 case "$host" in
306                         dnl Snow Leopard and newer config.guess reports as this
307                         i*86-*-darwin*)
308                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
309                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
310                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
311                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
312                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
313                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
314                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
315                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
316                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
317                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
318                                 extra_runtime_ldflags="-Xlinker -stack_size -Xlinker 0x800000"
319                                 ;;
320                         x*64-*-darwin*)
321                                 extra_runtime_ldflags="-Xlinker -stack_size -Xlinker 0x800000"
322                                 ;;
323                         arm*-darwin*)
324                                 has_dtrace=no
325                                 ;;                      
326                 esac
327                 ;;
328         *-*-haiku*)
329                 host_win32=no
330                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
331                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
332                 libdl=
333                 LIBS="$LIBS -lnetwork"
334                 need_link_unlink=yes
335                 AC_DEFINE(PTHREAD_POINTER_ID)
336                 libgc_threads=pthreads
337                 use_sigposix=yes
338                 ;;
339         *)
340                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
341                 host_win32=no
342                 libdl="-ldl"
343                 ;;
344 esac
345 AC_MSG_RESULT(ok)
346
347 if test x$need_link_unlink = xyes; then
348    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
349 fi
350
351 AC_SUBST(extra_runtime_ldflags)
352 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
353 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
354 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
355 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
356 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
357 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
358
359 AC_CHECK_TOOL(CC, gcc, gcc)
360 AC_PROG_CC
361 AC_CHECK_TOOL(CXX, g++, g++)
362 AC_PROG_CXX
363 AM_PROG_AS
364 AC_PROG_INSTALL
365 AC_PROG_AWK
366 AM_PROG_CC_C_O
367 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
368 : ${CCAS='$(CC)'}
369 # Set ASFLAGS if not already set.
370 : ${CCASFLAGS='$(CFLAGS)'}
371 AC_SUBST(CCAS)
372 AC_SUBST(CCASFLAGS)
373
374 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
375 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
376 if test "x$CXX" = "xg++"; then
377         if test "x$GXX" != "xyes"; then
378                 # automake/libtool is so broken, it requires g++ even if the c++ sources
379                 # are inside automake conditionals
380                 AC_MSG_ERROR([You need to install g++])
381         fi
382 fi
383
384 dnl may require a specific autoconf version
385 dnl AC_PROG_CC_FOR_BUILD
386 dnl CC_FOR_BUILD not automatically detected
387 CC_FOR_BUILD=$CC
388 CFLAGS_FOR_BUILD=$CFLAGS
389 BUILD_EXEEXT=
390 if test "x$cross_compiling" = "xyes"; then
391         CC_FOR_BUILD=cc
392         CFLAGS_FOR_BUILD=
393         BUILD_EXEEXT=""
394 fi
395 AC_SUBST(CC_FOR_BUILD)
396 AC_SUBST(CFLAGS_FOR_BUILD)
397 AC_SUBST(HOST_CC)
398 AC_SUBST(BUILD_EXEEXT)
399
400 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
401 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
402
403 # Set STDC_HEADERS
404 AC_HEADER_STDC
405 AC_LIBTOOL_WIN32_DLL
406 # This causes monodis to not link correctly
407 #AC_DISABLE_FAST_INSTALL
408 AM_PROG_LIBTOOL
409 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
410 DOLT
411
412 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
413 AC_SUBST(export_ldflags)
414
415 # Test whenever ld supports -version-script
416 AC_PROG_LD
417 AC_PROG_LD_GNU
418 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
419    no_version_script=yes
420 fi
421
422 AM_ICONV()
423
424 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
425
426 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h sys/utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h sys/uio.h sys/param.h libproc.h)
427 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/sem.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h sys/inotify.h)
428 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
429                   [], [], [#include <stddef.h>
430                   #include <sys/socket.h>
431                   #include <linux/socket.h>])
432
433 AC_CHECK_HEADERS(sys/user.h, [], [],
434 [
435 #ifdef HAVE_SYS_PARAM_H
436 # include <sys/param.h>
437 #endif
438 ])
439
440 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
441 if test x$have_zlib = xyes; then
442    AC_TRY_COMPILE([#include <zlib.h>], [
443    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
444    return 0;
445    #else
446    #error No good zlib found
447    #endif
448    ],[
449         AC_MSG_RESULT(Using system zlib)
450         zlib_msg="system zlib"
451         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
452    ],[
453         AC_MSG_RESULT(Using embedded zlib)
454         have_zlib=no
455         zlib_msg="bundled zlib"
456    ])
457 fi
458
459 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
460 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
461
462 # for mono/metadata/debug-symfile.c
463 AC_CHECK_HEADERS(elf.h)
464
465 # for support
466 AC_CHECK_HEADERS(poll.h)
467 AC_CHECK_HEADERS(sys/poll.h)
468 AC_CHECK_HEADERS(sys/wait.h)
469 AC_CHECK_HEADERS(grp.h)
470 AC_CHECK_HEADERS(syslog.h)
471
472 # for mono/dis
473 AC_CHECK_HEADERS(wchar.h)
474 AC_CHECK_HEADERS(ieeefp.h)
475 AC_MSG_CHECKING(for isinf)
476 AC_TRY_LINK([#include <math.h>], [
477         int f = isinf (1);
478 ], [
479         AC_MSG_RESULT(yes)
480         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
481 ], [
482         # We'll have to use signals
483         AC_MSG_RESULT(no)
484 ])
485 # mingw
486 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
487         AC_TRY_LINK([#include <math.h>], 
488         [ _finite(0.0); ], 
489         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
490         AC_MSG_RESULT(no)))
491
492 # for Linux statfs support
493 AC_CHECK_HEADERS(linux/magic.h)
494
495 # not 64 bit clean in cross-compile
496 AC_CHECK_SIZEOF(void *, 4)
497
498 AC_CACHE_CHECK([for clang],
499         mono_cv_clang,[
500         AC_TRY_COMPILE([], [
501                 #ifdef __clang__
502                 #else
503                 #error "FAILED"
504                 #endif
505                 return 0;
506         ],
507         [mono_cv_clang=yes],
508         [mono_cv_clang=no],
509         [])
510 ])
511
512 WARN=''
513 if test x"$GCC" = xyes; then
514         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
515                 # The runtime code does not respect ANSI C strict aliasing rules
516                 CFLAGS="$CFLAGS -fno-strict-aliasing"
517
518                 ORIG_CFLAGS=$CFLAGS
519                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
520                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
521                 AC_TRY_COMPILE([],[
522                                 return 0;
523                 ], [
524                    AC_MSG_RESULT(yes)
525                 ], [
526                    AC_MSG_RESULT(no)
527                    CFLAGS=$ORIG_CFLAGS
528                 ])
529
530                 ORIG_CFLAGS=$CFLAGS
531                 # Check for the normal version, since gcc ignores unknown -Wno options
532                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
533                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
534                 AC_TRY_COMPILE([],[
535                                 return 0;
536                 ], [
537                    AC_MSG_RESULT(yes)
538                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
539                 ], [
540                    AC_MSG_RESULT(no)
541                    CFLAGS=$ORIG_CFLAGS
542                 ])
543
544                 if test "x$mono_cv_clang" = "xyes"; then
545                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
546                    WARN="$WARN -Qunused-arguments"
547                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare"
548                 fi
549 else
550         # The Sun Forte compiler complains about inline functions that access static variables
551         # so disable all inlining.
552         case "$host" in
553         *-*-solaris*)
554                 CFLAGS="$CFLAGS -Dinline="
555                 ;;
556         esac
557 fi
558 CFLAGS="$CFLAGS -g $WARN"
559 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
560
561 # Where's the 'mcs' source tree?
562 if test -d $srcdir/mcs; then
563   mcsdir=mcs
564 else
565   mcsdir=../mcs
566 fi
567
568 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
569         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
570                 mcsdir=$with_mcs_path
571         fi
572 )
573
574 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
575
576 #
577 # A sanity check to catch cases where the package was unpacked
578 # with an ancient tar program (Solaris)
579 #
580 AC_ARG_ENABLE(solaris-tar-check,
581 [  --disable-solaris-tar-check    disable solaris tar check],
582    do_solaris_tar_check=no, do_solaris_tar_check=yes)
583
584 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
585         AC_MSG_CHECKING(integrity of package)
586         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
587         then
588                 AC_MSG_RESULT(ok)
589         else
590                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
591                 AC_MSG_ERROR([$errorm])
592         fi
593 fi
594
595 if test "x$with_mcs_path" != "x"; then
596 mcs_topdir=$(cd "$mcsdir" && pwd)
597 mcs_topdir_from_srcdir=$mcs_topdir
598 else
599 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
600 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
601 fi
602
603 # Convert mcs_topdir* paths to Windows syntax.
604 if test x$cross_compiling$host_win32 = xnoyes; then
605   mcs_topdir=$(cygpath -m $mcs_topdir)
606   case $mcs_topdir_from_srcdir in
607     /cygdrive/*)
608         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
609         ;;
610   esac
611 fi
612
613 AC_SUBST([mcs_topdir])
614 AC_SUBST([mcs_topdir_from_srcdir])
615
616 # Where's the 'olive' source tree?
617 if test -d $srcdir/olive; then
618   olivedir=olive
619 else
620   olivedir=../olive
621 fi
622
623 if test -d $srcdir/$olivedir; then
624 olive_topdir='$(top_srcdir)/'$olivedir
625 fi
626
627 # gettext: prepare the translation directories. 
628 # we do not configure the full gettext, as we consume it dynamically from C#
629 AM_PO_SUBDIRS
630
631 if test "x$USE_NLS" = "xyes"; then
632    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
633
634    if test "x$HAVE_MSGFMT" = "xno"; then
635           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
636    fi
637 fi
638
639 AC_ARG_WITH([libgdiplus], 
640         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)], 
641         [], [with_libgdiplus=installed])
642
643 case $with_libgdiplus in
644 no|installed) libgdiplus_loc= ;;
645 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
646 /*) libgdiplus_loc=$with_libgdiplus ;;
647 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
648 esac
649 AC_SUBST([libgdiplus_loc])
650
651 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
652
653 pkg_config_path=
654 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
655         if test x$with_crosspkgdir = "x"; then
656                 if test -s $PKG_CONFIG_PATH; then
657                         pkg_config_path=$PKG_CONFIG_PATH
658                 fi
659         else
660                 pkg_config_path=$with_crosspkgdir
661                 PKG_CONFIG_PATH=$pkg_config_path
662                 export PKG_CONFIG_PATH
663         fi
664 )
665
666 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
667 AC_CONFIG_SUBDIRS(eglib)
668
669 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
670 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
671 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
672 BUILD_GLIB_LIBS="$GLIB_LIBS"
673 GMODULE_CFLAGS="$GLIB_CFLAGS"
674 GMODULE_LIBS="$GLIB_LIBS"
675   
676 AC_SUBST(GLIB_CFLAGS)
677 AC_SUBST(GLIB_LIBS)
678 AC_SUBST(GMODULE_CFLAGS)
679 AC_SUBST(GMODULE_LIBS)
680 AC_SUBST(BUILD_GLIB_CFLAGS)
681 AC_SUBST(BUILD_GLIB_LIBS)
682
683 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
684
685 # Enable support for fast thread-local storage
686 # Some systems have broken support, so we allow to disable it.
687 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
688
689 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
690 # This does not work on some platforms (bug #55253)
691 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
692
693 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
694 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
695 # Same as --with-shared_mono=no
696 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
697
698 if test "x$enable_static" = "xno"; then
699    with_static_mono=no
700 fi
701
702 if test "x$enable_shared" = "xno"; then
703    with_shared_mono=no
704 fi
705
706 if test "x$enable_libraries" = "xno"; then
707    with_shared_mono=no
708 fi
709
710 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
711
712 case $host in
713 *nacl* ) with_shared_mono=yes;;
714 esac
715
716 if test "x$host_win32" = "xyes"; then
717    # Boehm GC requires the runtime to be in its own dll
718    with_static_mono=no
719 fi
720
721 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
722 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
723 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
724
725 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
726 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
727         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
728         ORIG_CFLAGS=$CFLAGS
729         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
730         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
731         AC_TRY_COMPILE([], [
732                 return 0;
733         ], [
734            AC_MSG_RESULT(yes)
735            # Pass it to libgc as well
736            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
737         ], [
738            AC_MSG_RESULT(no)
739            CFLAGS=$ORIG_CFLAGS
740         ])
741 fi
742
743 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
744
745 if test x$enable_small_config = xyes; then
746         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
747         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
748 fi
749
750 AC_ARG_ENABLE(system-aot, [  --enable-system-aot  Enable the Ahead-Of-Time compilation of system assemblies during the build (on by default on some platforms)], enable_system_aot=$enableval, enable_system_aot=default)
751
752 DISABLED_FEATURES=none
753
754 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
755      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
756      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
757          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
758 [
759         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
760                 eval "mono_feature_disable_$feature='yes'"
761         done
762         DISABLED_FEATURES=$enable_minimal
763         disabled="Disabled:      $enable_minimal"
764 ],[])
765
766 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
767
768 if test "x$mono_feature_disable_aot" = "xyes"; then
769         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
770         AC_MSG_NOTICE([Disabled AOT compiler])
771 fi
772
773 if test "x$mono_feature_disable_profiler" = "xyes"; then
774         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
775         AC_MSG_NOTICE([Disabled support for the profiler])
776 fi
777 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
778
779 if test "x$mono_feature_disable_decimal" = "xyes"; then
780         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
781         AC_MSG_NOTICE([Disabled support for decimal])
782 fi
783
784 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
785         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
786         AC_MSG_NOTICE([Disabled support for P/Invoke])
787 fi
788
789 if test "x$mono_feature_disable_debug" = "xyes"; then
790         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
791         AC_MSG_NOTICE([Disabled support for runtime debugging])
792 fi
793
794 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
795         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
796         mono_feature_disable_reflection_emit_save=yes
797         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
798 fi
799
800 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
801         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
802         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
803 fi
804
805 if test "x$mono_feature_disable_large_code" = "xyes"; then
806         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
807         AC_MSG_NOTICE([Disabled support for large assemblies])
808 fi
809
810 if test "x$mono_feature_disable_logging" = "xyes"; then
811         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
812         AC_MSG_NOTICE([Disabled support for logging])
813 fi
814
815 if test "x$mono_feature_disable_com" = "xyes"; then
816         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
817         AC_MSG_NOTICE([Disabled COM support])
818 fi
819
820 if test "x$mono_feature_disable_ssa" = "xyes"; then
821         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
822         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
823 fi
824
825 if test "x$mono_feature_disable_generics" = "xyes"; then
826         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
827         AC_MSG_NOTICE([Disabled Generics Support])
828 fi
829
830 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
831         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
832         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
833 fi
834
835 if test "x$mono_feature_disable_portability" = "xyes"; then
836         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
837         AC_MSG_NOTICE([Disabled IO Portability layer])
838 fi
839
840 if test "x$mono_feature_disable_attach" = "xyes"; then
841         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
842         AC_MSG_NOTICE([Disabled agent attach])
843 fi
844
845 if test "x$mono_feature_disable_full_messages" = "xyes"; then
846         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
847         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
848 fi
849
850 if test "x$mono_feature_disable_verifier" = "xyes"; then
851         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
852         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
853 fi
854
855 if test "x$mono_feature_disable_jit" = "xyes"; then
856         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
857         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
858 fi
859
860 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
861
862 if test "x$mono_feature_disable_simd" = "xyes"; then
863         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
864         AC_MSG_NOTICE([Disabled SIMD support])
865 fi
866
867 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
868         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
869         AC_MSG_NOTICE([Disabled Soft Debugger.])
870 fi
871
872 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
873         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
874         AC_MSG_NOTICE([Disabled Performance Counters.])
875 fi
876 if test "x$mono_feature_disable_normalization" = "xyes"; then
877         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
878         AC_MSG_NOTICE([Disabled String normalization support.])
879 fi
880
881 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
882         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
883         AC_MSG_NOTICE([Disabled Assembly remapping.])
884 fi
885
886 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
887         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
888         AC_MSG_NOTICE([Disabled Shared perfcounters.])
889 fi
890
891 if test "x$mono_feature_disable_appdomains" = "xyes"; then
892         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
893         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
894 fi
895
896 if test "x$mono_feature_disable_remoting" = "xyes"; then
897         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
898         AC_MSG_NOTICE([Disabled remoting])
899 fi
900
901 if test "x$mono_feature_disable_security" = "xyes"; then
902         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
903         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
904 fi
905
906 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
907         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
908         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
909 fi
910
911 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
912         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
913         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
914 fi
915
916 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
917         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
918         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
919 fi
920
921 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
922         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
923         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
924 fi
925
926 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
927         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
928         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
929 fi
930
931 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
932 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
933
934 AC_ARG_ENABLE(extension-module, [  --enable-extension-module enables usage of the extension module], has_extension_module=$enableval, has_extension_module=no)
935 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
936
937 if test x$has_extension_module != xno ; then
938         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
939         AC_MSG_NOTICE([Enabling mono extension module.])
940 fi
941
942
943 AC_MSG_CHECKING(for visibility __attribute__)
944 AC_COMPILE_IFELSE([
945         AC_LANG_SOURCE([[
946                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
947                 int main () { doit (); return 0; }
948         ]])
949 ], [
950    have_visibility_hidden=yes
951    AC_MSG_RESULT(yes)
952 ], [
953    have_visibility_hidden=no
954    AC_MSG_RESULT(no)
955 ])
956
957 AC_MSG_CHECKING(for deprecated __attribute__)
958 AC_TRY_COMPILE([
959      int doit (void) __attribute__ ((deprecated));
960      int doit (void) { return 0; }
961 ], [
962         return 0;
963 ], [
964    have_deprecated=yes
965    AC_MSG_RESULT(yes)
966 ], [
967    have_deprecated=no
968    AC_MSG_RESULT(no)
969 ])
970
971 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
972 if test x$enable_parallel_mark = xyes; then
973         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
974 fi
975
976 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
977 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
978
979 dnl
980 dnl Boehm GC configuration
981 dnl
982 LIBGC_CPPFLAGS=
983 LIBGC_LIBS=
984 LIBGC_STATIC_LIBS=
985 libgc_dir=
986 case "x$gc" in
987         xboehm|xbohem|xyes)
988                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
989                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
990
991                 if test "x$found_boehm" != "xyes"; then
992                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
993                 fi
994                 if test "x$gc_headers" != "xyes"; then
995                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
996                 fi
997
998                 LIBGC_LIBS="-lgc $libdl"
999                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
1000                 libmono_ldflags="$libmono_ldflags -lgc"
1001                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1002
1003                 # AC_CHECK_FUNCS does not work for some reason...
1004                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1005                 if test "x$found_gcj_malloc" = "xyes"; then
1006                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1007                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1008                         gc_msg="System Boehm with typed GC"
1009                 else
1010                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1011                         gc_msg="System Boehm (without typed GC)"
1012                 fi
1013                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1014                 if test "x$found_gc_enable" = "xyes"; then
1015                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1016                 fi
1017
1018                 # check whether we need to explicitly allow
1019                 # thread registering
1020                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1021                 if test "x$found_allow_register_threads" = "xyes"; then
1022                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1023                 fi
1024
1025                 ;;
1026
1027         xincluded)
1028                 use_included_gc=yes
1029                 libgc_dir=libgc
1030
1031                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1032                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1033                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1034
1035                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1036
1037                 if test x$target_win32 = xyes; then
1038                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1039                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1040                 fi
1041
1042                 gc_msg="bundled Boehm GC with typed GC"
1043                 if test x$enable_parallel_mark = xyes; then
1044                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1045                         gc_msg="$gc_msg and parallel mark"
1046                 else
1047                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1048                 fi
1049                 ;;
1050
1051         xsgen)
1052                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1053                 ;;
1054
1055         xnone)
1056                 AC_MSG_WARN("Compiling mono without GC.")
1057                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1058                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1059                 ;;
1060         *)
1061                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1062                 ;;
1063 esac
1064
1065 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1066 if test "x$large_heap" = "xyes"; then
1067    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1068 fi
1069
1070 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1071 AC_SUBST(LIBGC_CPPFLAGS)
1072 AC_SUBST(LIBGC_LIBS)
1073 AC_SUBST(LIBGC_STATIC_LIBS)
1074 AC_SUBST(libgc_dir)
1075 AC_SUBST(BOEHM_DEFINES)
1076
1077 dnl
1078 dnl End of libgc checks
1079 dnl
1080
1081 dnl *************************************
1082 dnl *** Checks for zero length arrays ***
1083 dnl *************************************
1084 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1085 AC_TRY_COMPILE([
1086         struct s {
1087                 int  length;
1088                 char data [0];
1089         };
1090 ], [], [
1091         AC_MSG_RESULT(yes)
1092         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1093 ], [
1094         AC_MSG_RESULT(no)
1095         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1096 ])
1097
1098 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1099
1100 if test x$target_win32 = xno; then
1101
1102         dnl hires monotonic clock support
1103         AC_SEARCH_LIBS(clock_gettime, rt)
1104
1105         dnl dynamic loader support
1106         AC_CHECK_FUNC(dlopen, DL_LIB="",
1107                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1108         )
1109         if test x$dl_support = xno; then
1110                 AC_MSG_WARN([No dynamic loading support available])
1111         else
1112                 LIBS="$LIBS $DL_LIB"
1113                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1114                 dnl from glib's configure.in
1115                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1116                         mono_cv_uscore,[
1117                         AC_TRY_RUN([#include <dlfcn.h>
1118                         int mono_underscore_test (void) { return 42; }
1119                         int main() {
1120                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1121                           handle = dlopen ((void*)0, 0);
1122                           if (handle) {
1123                             f1 = dlsym (handle, "mono_underscore_test");
1124                             f2 = dlsym (handle, "_mono_underscore_test");
1125                           } return (!f2 || f1);
1126                         }],
1127                                 [mono_cv_uscore=yes],
1128                                 [mono_cv_uscore=no],
1129                         [])
1130                 ])
1131                 if test "x$mono_cv_uscore" = "xyes"; then
1132                         MONO_DL_NEED_USCORE=1
1133                 else
1134                         MONO_DL_NEED_USCORE=0
1135                 fi
1136                 AC_SUBST(MONO_DL_NEED_USCORE)
1137                 AC_CHECK_FUNC(dlerror)
1138         fi
1139
1140         dnl ******************************************************************
1141         dnl *** Checks for the IKVM JNI interface library                  ***
1142         dnl ******************************************************************
1143         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])
1144
1145         ikvm_native_dir=
1146         if test x$with_ikvm_native = xyes; then
1147                 ikvm_native_dir=ikvm-native
1148                 jdk_headers_found="IKVM Native"
1149         fi
1150
1151         AC_SUBST(ikvm_native_dir)
1152
1153         AC_CHECK_HEADERS(execinfo.h)
1154
1155         AC_CHECK_HEADERS(sys/auxv.h)
1156
1157         AC_CHECK_FUNCS(getgrgid_r)
1158         AC_CHECK_FUNCS(getgrnam_r)
1159         AC_CHECK_FUNCS(getpwnam_r)
1160         AC_CHECK_FUNCS(getpwuid_r)
1161         AC_CHECK_FUNCS(getresuid)
1162         AC_CHECK_FUNCS(setresuid)
1163         AC_CHECK_FUNCS(kqueue)
1164         AC_CHECK_FUNCS(backtrace_symbols)
1165         AC_CHECK_FUNCS(mkstemp)
1166         AC_CHECK_FUNCS(mmap)
1167         AC_CHECK_FUNCS(madvise)
1168         AC_CHECK_FUNCS(getrusage)
1169         AC_CHECK_FUNCS(getpriority)
1170         AC_CHECK_FUNCS(setpriority)
1171         AC_CHECK_FUNCS(dl_iterate_phdr)
1172         AC_CHECK_FUNCS(dladdr)
1173         AC_CHECK_FUNCS(sysconf)
1174
1175         AC_CHECK_FUNCS(sched_setaffinity)
1176         AC_CHECK_FUNCS(sched_getcpu)
1177
1178         dnl ****************************************************************
1179         dnl *** Check for sched_setaffinity from glibc versions before   ***
1180         dnl *** 2.3.4. The older versions of the function only take 2    ***
1181         dnl *** parameters, not 3.                                       ***
1182         dnl ***                                                          ***
1183         dnl *** Because the interface change was not made in a minor     ***
1184         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1185         dnl *** won't always indicate the interface sched_affinity has.  ***
1186         dnl ****************************************************************
1187         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1188         AC_TRY_COMPILE([#include <sched.h>], [
1189             int mask = 1; 
1190             sched_setaffinity(0, &mask);
1191                         return 0;
1192         ], [
1193                 # Yes, we have it...
1194                 AC_MSG_RESULT(yes)
1195                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1196         ], [
1197                 # We have the new, three-parameter version
1198                 AC_MSG_RESULT(no)
1199         ])
1200
1201
1202         dnl ******************************************************************
1203         dnl *** Check for large file support                               ***
1204         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1205         dnl ******************************************************************
1206         
1207         # Check that off_t can represent 2**63 - 1 correctly, working around
1208         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1209         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1210         large_offt=no
1211         AC_DEFUN([LARGE_FILES], [
1212                 large_CPPFLAGS=$CPPFLAGS
1213                 CPPFLAGS="$CPPFLAGS $1"
1214                 AC_TRY_COMPILE([
1215                         #include <sys/types.h>
1216                         #include <limits.h>
1217                 ], [
1218                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1219                         #define COMPILE_TIME_ASSERT(pred) \
1220                                 switch(0){case 0:case pred:;}
1221                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1222                 ], [
1223                         AC_MSG_RESULT(ok)
1224                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1225                         large_CPPFLAGS="$large_CPPFLAGS $1"
1226                         large_offt=yes
1227                 ], [
1228                         AC_MSG_RESULT(no)
1229                 ])
1230                 CPPFLAGS=$large_CPPFLAGS
1231         ])
1232
1233         AC_MSG_CHECKING(if off_t is 64 bits wide)
1234         LARGE_FILES("")
1235         if test $large_offt = no; then
1236                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1237                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1238         fi
1239         if test $large_offt = no; then
1240                 AC_MSG_WARN([No 64 bit file size support available])
1241         fi
1242         
1243         dnl *****************************
1244         dnl *** Checks for libsocket  ***
1245         dnl *****************************
1246         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1247
1248         case "$host" in
1249                 *-*-*freebsd*)
1250                         dnl *****************************
1251                         dnl *** Checks for libinotify ***
1252                         dnl *****************************
1253                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1254         esac
1255
1256         dnl *******************************
1257         dnl *** Checks for MSG_NOSIGNAL ***
1258         dnl *******************************
1259         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1260         AC_TRY_COMPILE([#include <sys/socket.h>], [
1261                 int f = MSG_NOSIGNAL;
1262         ], [
1263                 # Yes, we have it...
1264                 AC_MSG_RESULT(yes)
1265                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1266         ], [
1267                 # We'll have to use signals
1268                 AC_MSG_RESULT(no)
1269         ])
1270
1271         dnl *****************************
1272         dnl *** Checks for IPPROTO_IP ***
1273         dnl *****************************
1274         AC_MSG_CHECKING(for IPPROTO_IP)
1275         AC_TRY_COMPILE([#include <netinet/in.h>], [
1276                 int level = IPPROTO_IP;
1277         ], [
1278                 # Yes, we have it...
1279                 AC_MSG_RESULT(yes)
1280                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1281         ], [
1282                 # We'll have to use getprotobyname
1283                 AC_MSG_RESULT(no)
1284         ])
1285
1286         dnl *******************************
1287         dnl *** Checks for IPPROTO_IPV6 ***
1288         dnl *******************************
1289         AC_MSG_CHECKING(for IPPROTO_IPV6)
1290         AC_TRY_COMPILE([#include <netinet/in.h>], [
1291                 int level = IPPROTO_IPV6;
1292         ], [
1293                 # Yes, we have it...
1294                 AC_MSG_RESULT(yes)
1295                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1296         ], [
1297                 # We'll have to use getprotobyname
1298                 AC_MSG_RESULT(no)
1299         ])
1300
1301         dnl ******************************
1302         dnl *** Checks for IPPROTO_TCP ***
1303         dnl ******************************
1304         AC_MSG_CHECKING(for IPPROTO_TCP)
1305         AC_TRY_COMPILE([#include <netinet/in.h>], [
1306                 int level = IPPROTO_TCP;
1307         ], [
1308                 # Yes, we have it...
1309                 AC_MSG_RESULT(yes)
1310                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1311         ], [
1312                 # We'll have to use getprotobyname
1313                 AC_MSG_RESULT(no)
1314         ])
1315
1316         dnl *****************************
1317         dnl *** Checks for SOL_IP     ***
1318         dnl *****************************
1319         AC_MSG_CHECKING(for SOL_IP)
1320         AC_TRY_COMPILE([#include <netdb.h>], [
1321                 int level = SOL_IP;
1322         ], [
1323                 # Yes, we have it...
1324                 AC_MSG_RESULT(yes)
1325                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1326         ], [
1327                 # We'll have to use getprotobyname
1328                 AC_MSG_RESULT(no)
1329         ])
1330
1331         dnl *****************************
1332         dnl *** Checks for SOL_IPV6     ***
1333         dnl *****************************
1334         AC_MSG_CHECKING(for SOL_IPV6)
1335         AC_TRY_COMPILE([#include <netdb.h>], [
1336                 int level = SOL_IPV6;
1337         ], [
1338                 # Yes, we have it...
1339                 AC_MSG_RESULT(yes)
1340                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1341         ], [
1342                 # We'll have to use getprotobyname
1343                 AC_MSG_RESULT(no)
1344         ])
1345
1346         dnl *****************************
1347         dnl *** Checks for SOL_TCP    ***
1348         dnl *****************************
1349         AC_MSG_CHECKING(for SOL_TCP)
1350         AC_TRY_COMPILE([#include <netdb.h>], [
1351                 int level = SOL_TCP;
1352         ], [
1353                 # Yes, we have it...
1354                 AC_MSG_RESULT(yes)
1355                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1356         ], [
1357                 # We'll have to use getprotobyname
1358                 AC_MSG_RESULT(no)
1359         ])
1360
1361         dnl *****************************
1362         dnl *** Checks for IP_PKTINFO ***
1363         dnl *****************************
1364         AC_MSG_CHECKING(for IP_PKTINFO)
1365         AC_TRY_COMPILE([#include <linux/in.h>], [
1366                 int level = IP_PKTINFO;
1367         ], [
1368                 # Yes, we have it...
1369                 AC_MSG_RESULT(yes)
1370                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1371         ], [
1372                 AC_MSG_RESULT(no)
1373         ])
1374
1375         dnl *****************************
1376         dnl *** Checks for IPV6_PKTINFO ***
1377         dnl *****************************
1378         AC_MSG_CHECKING(for IPV6_PKTINFO)
1379         AC_TRY_COMPILE([#include <netdb.h>], [
1380                 int level = IPV6_PKTINFO;
1381         ], [
1382                 # Yes, we have it...
1383                 AC_MSG_RESULT(yes)
1384                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1385         ], [
1386                 AC_MSG_RESULT(no)
1387         ])
1388
1389         dnl **********************************
1390         dnl *** Checks for IP_DONTFRAG     ***
1391         dnl **********************************
1392         AC_MSG_CHECKING(for IP_DONTFRAG)
1393         AC_TRY_COMPILE([#include <netinet/in.h>], [
1394                 int level = IP_DONTFRAG;
1395         ], [
1396                 # Yes, we have it...
1397                 AC_MSG_RESULT(yes)
1398                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1399         ], [
1400                 AC_MSG_RESULT(no)
1401         ])
1402
1403         dnl **********************************
1404         dnl *** Checks for IP_DONTFRAGMENT ***
1405         dnl **********************************
1406         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1407         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1408                 int level = IP_DONTFRAGMENT;
1409         ], [
1410                 # Yes, we have it...
1411                 AC_MSG_RESULT(yes)
1412                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1413         ], [
1414                 AC_MSG_RESULT(no)
1415         ])
1416
1417         dnl **********************************
1418         dnl *** Checks for IP_MTU_DISCOVER ***
1419         dnl **********************************
1420         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1421         AC_TRY_COMPILE([#include <linux/in.h>], [
1422                 int level = IP_MTU_DISCOVER;
1423         ], [
1424                 # Yes, we have it...
1425                 AC_MSG_RESULT(yes)
1426                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1427         ], [
1428                 AC_MSG_RESULT(no)
1429         ])
1430
1431         dnl **********************************
1432         dnl *** Checks for  IP_PMTUDISC_DO ***
1433         dnl **********************************
1434         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1435         AC_TRY_COMPILE([#include <linux/in.h>], [
1436                 int level = IP_PMTUDISC_DO;
1437         ], [
1438                 # Yes, we have it...
1439                 AC_MSG_RESULT(yes)
1440                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1441         ], [
1442                 AC_MSG_RESULT(no)
1443         ])
1444
1445         dnl *********************************
1446         dnl *** Check for struct ip_mreqn ***
1447         dnl *********************************
1448         AC_MSG_CHECKING(for struct ip_mreqn)
1449         AC_TRY_COMPILE([#include <netinet/in.h>], [
1450                 struct ip_mreqn mreq;
1451                 mreq.imr_address.s_addr = 0;
1452         ], [
1453                 # Yes, we have it...
1454                 AC_MSG_RESULT(yes)
1455                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1456         ], [
1457                 # We'll just have to try and use struct ip_mreq
1458                 AC_MSG_RESULT(no)
1459                 AC_MSG_CHECKING(for struct ip_mreq)
1460                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1461                         struct ip_mreq mreq;
1462                         mreq.imr_interface.s_addr = 0;
1463                 ], [
1464                         # Yes, we have it...
1465                         AC_MSG_RESULT(yes)
1466                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1467                 ], [
1468                         # No multicast support
1469                         AC_MSG_RESULT(no)
1470                 ])
1471         ])
1472         
1473         dnl **********************************
1474         dnl *** Check for gethostbyname2_r ***
1475         dnl **********************************
1476         AC_MSG_CHECKING(for gethostbyname2_r)
1477                 AC_TRY_LINK([#include <netdb.h>], [
1478                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1479         ], [
1480                 # Yes, we have it...
1481                 AC_MSG_RESULT(yes)
1482                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1483         ], [
1484                 AC_MSG_RESULT(no)
1485         ])
1486
1487         dnl *****************************
1488         dnl *** Checks for libnsl     ***
1489         dnl *****************************
1490         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1491
1492         AC_CHECK_FUNCS(inet_pton inet_aton)
1493
1494         dnl ***********************************************
1495         dnl *** Checks for size of sockaddr_un.sun_path ***
1496         dnl ***********************************************
1497         # AC_CHECK_SIZEOF can't cope with struct members :-(
1498         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1499         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1500                 [AC_TRY_RUN([
1501                         #include <sys/types.h>
1502                         #include <stdio.h>
1503                         #include <sys/un.h>
1504
1505                         int main(void) {
1506                                 struct sockaddr_un sock_un;
1507                                 FILE *f=fopen("conftestval", "w");
1508                                 if(!f) exit(1);
1509                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1510                                 exit(0);
1511                         }
1512                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1513                    mono_cv_sizeof_sunpath=0,
1514                    mono_cv_sizeof_sunpath=0)])dnl
1515         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1516         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1517
1518         dnl *****************************
1519         dnl *** Checks for libxnet    ***
1520         dnl *****************************
1521         case "${host}" in
1522                 *solaris* )
1523                         AC_MSG_CHECKING(for Solaris XPG4 support)
1524                         if test -f /usr/lib/libxnet.so; then
1525                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1526                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1527                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1528                                 LIBS="$LIBS -lxnet"
1529                                 AC_MSG_RESULT(yes)
1530                         else
1531                                 AC_MSG_RESULT(no)
1532                         fi
1533
1534                         if test "$GCC" = "yes"; then
1535                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1536                         fi
1537                 ;;
1538         esac
1539
1540         dnl *****************************
1541         dnl *** Checks for libpthread ***
1542         dnl *****************************
1543 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1544 # and libpthread does not exist
1545 #
1546         case "${host}" in
1547                 *-*-*freebsd*)
1548                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1549                 ;;
1550                 *-*-*openbsd*)
1551                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1552                 ;;
1553                 *)
1554                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1555                 ;;
1556         esac
1557         AC_CHECK_HEADERS(pthread.h)
1558         AC_CHECK_HEADERS(pthread_np.h)
1559         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1560         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1561         AC_CHECK_FUNCS(pthread_kill)
1562         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1563         AC_TRY_COMPILE([ #include <pthread.h>], [
1564                 pthread_mutexattr_t attr;
1565                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1566         ], [
1567                 AC_MSG_RESULT(ok)
1568         ], [
1569                 AC_MSG_RESULT(no)
1570                 AC_ERROR(Posix system lacks support for recursive mutexes)
1571         ])
1572         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1573         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1574         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1575
1576         dnl ***********************************
1577         dnl *** Checks for signals
1578         dnl ***********************************
1579         AC_CHECK_HEADERS(signal.h)
1580         AC_CHECK_FUNCS(sigaction)
1581
1582         dnl ***********************************
1583         dnl *** Checks for working __thread ***
1584         dnl ***********************************
1585         AC_MSG_CHECKING(for working __thread)
1586         if test "x$with_tls" != "x__thread"; then
1587                 AC_MSG_RESULT(disabled)
1588         elif test "x$cross_compiling" = "xyes"; then
1589                 AC_MSG_RESULT(cross compiling, assuming yes)
1590         else
1591                 AC_TRY_RUN([
1592                         #if defined(__APPLE__) && defined(__clang__)
1593                         #error "__thread does not currently work with clang on Mac OS X"
1594                         #endif
1595                         
1596                         #include <pthread.h>
1597                         __thread int i;
1598                         static int res1, res2;
1599
1600                         void thread_main (void *arg)
1601                         {
1602                                 i = arg;
1603                                 sleep (1);
1604                                 if (arg == 1)
1605                                         res1 = (i == arg);
1606                                 else
1607                                         res2 = (i == arg);
1608                         }
1609
1610                         int main () {
1611                                 pthread_t t1, t2;
1612
1613                                 i = 5;
1614
1615                                 pthread_create (&t1, NULL, thread_main, 1);
1616                                 pthread_create (&t2, NULL, thread_main, 2);
1617
1618                                 pthread_join (t1, NULL);
1619                                 pthread_join (t2, NULL);
1620
1621                                 return !(res1 + res2 == 2);
1622                         }
1623                 ], [
1624                                 AC_MSG_RESULT(yes)
1625                 ], [
1626                                 AC_MSG_RESULT(no)
1627                                 with_tls=pthread
1628                 ])
1629         fi
1630
1631         dnl **************************************
1632         dnl *** Checks for working sigaltstack ***
1633         dnl **************************************
1634         AC_MSG_CHECKING(for working sigaltstack)
1635         if test "x$with_sigaltstack" != "xyes"; then
1636                 AC_MSG_RESULT(disabled)
1637         elif test "x$cross_compiling" = "xyes"; then
1638                 AC_MSG_RESULT(cross compiling, assuming yes)
1639         else
1640                 AC_TRY_RUN([
1641                         #include <stdio.h>
1642                         #include <stdlib.h>
1643                         #include <unistd.h>
1644                         #include <signal.h>
1645                         #include <pthread.h>
1646                         #include <sys/wait.h>
1647                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1648                         #define SA_STACK SA_ONSTACK
1649                         #endif
1650                         static void
1651                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1652                         {
1653                                 exit (0);
1654                         }
1655
1656                         volatile char*__ptr = NULL;
1657                         static void *
1658                         loop (void *ignored)
1659                         {
1660                                 *__ptr = 0;
1661                                 return NULL;
1662                         }
1663
1664                         static void
1665                         child ()
1666                         {
1667                                 struct sigaction sa;
1668                         #ifdef __APPLE__
1669                                 stack_t sas;
1670                         #else
1671                                 struct sigaltstack sas;
1672                         #endif
1673                                 pthread_t id;
1674                                 pthread_attr_t attr;
1675
1676                                 sa.sa_sigaction = sigsegv_signal_handler;
1677                                 sigemptyset (&sa.sa_mask);
1678                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1679                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1680                                         perror ("sigaction");
1681                                         return;
1682                                 }
1683
1684                                 /* x86 darwin deliver segfaults using SIGBUS */
1685                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1686                                         perror ("sigaction");
1687                                         return;
1688                                 }
1689                                 sas.ss_sp = malloc (SIGSTKSZ);
1690                                 sas.ss_size = SIGSTKSZ;
1691                                 sas.ss_flags = 0;
1692                                 if (sigaltstack (&sas, NULL) == -1) {
1693                                         perror ("sigaltstack");
1694                                         return;
1695                                 }
1696
1697                                 pthread_attr_init (&attr);
1698                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1699                                         printf ("pthread_create\n");
1700                                         return;
1701                                 }
1702
1703                                 sleep (100);
1704                         }
1705
1706                         int
1707                         main ()
1708                         {
1709                                 pid_t son;
1710                                 int status;
1711                                 int i;
1712
1713                                 son = fork ();
1714                                 if (son == -1) {
1715                                         return 1;
1716                                 }
1717
1718                                 if (son == 0) {
1719                                         child ();
1720                                         return 0;
1721                                 }
1722
1723                                 for (i = 0; i < 300; ++i) {
1724                                         waitpid (son, &status, WNOHANG);
1725                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1726                                                 return 0;
1727                                         usleep (10000);
1728                                 }
1729
1730                                 kill (son, SIGKILL);
1731                                 return 1;
1732                         }
1733
1734                 ], [
1735                                 AC_MSG_RESULT(yes)
1736                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1737                 ], [
1738                                 with_sigaltstack=no
1739                                 AC_MSG_RESULT(no)
1740                 ])
1741         fi
1742
1743         dnl ********************************
1744         dnl *** Checks for semaphore lib ***
1745         dnl ********************************
1746         # 'Real Time' functions on Solaris
1747         # posix4 on Solaris 2.6
1748         # pthread (first!) on Linux
1749         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1750
1751         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1752         AC_CHECK_FUNCS(shm_open)
1753
1754         dnl ********************************
1755         dnl *** Checks for timezone stuff **
1756         dnl ********************************
1757         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1758                 AC_TRY_COMPILE([
1759                         #include <time.h>
1760                         ], [
1761                         struct tm tm;
1762                         tm.tm_gmtoff = 1;
1763                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1764         if test $ac_cv_struct_tm_gmtoff = yes; then
1765                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1766         else
1767                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1768                         AC_TRY_COMPILE([
1769                                 #include <time.h>
1770                         ], [
1771                                 timezone = 1;
1772                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1773                 if test $ac_cv_var_timezone = yes; then
1774                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1775                 else
1776                         AC_ERROR(unable to find a way to determine timezone)
1777                 fi
1778         fi
1779
1780         dnl *********************************
1781         dnl *** Checks for math functions ***
1782         dnl *********************************
1783         AC_SEARCH_LIBS(sqrtf, m)
1784         if test "x$has_broken_apple_cpp" != "xyes"; then
1785                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1786                         AC_TRY_LINK([#include <math.h>], 
1787                         [ finite(0.0); ], 
1788                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1789                         AC_MSG_RESULT(no)))
1790         fi
1791         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1792                 AC_TRY_LINK([#include <math.h>], 
1793                 [ isfinite(0.0); ], 
1794                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1795                 AC_MSG_RESULT(no)))
1796
1797         dnl ****************************************************************
1798         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1799         dnl *** have it in the library (duh))                            ***
1800         dnl ****************************************************************
1801         AC_CHECK_FUNCS(poll)
1802
1803         dnl *************************
1804         dnl *** Check for signbit ***
1805         dnl *************************
1806         AC_MSG_CHECKING(for signbit)
1807         AC_TRY_LINK([#include <math.h>], [
1808                 int s = signbit(1.0);
1809         ], [
1810                 AC_MSG_RESULT(yes)
1811                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1812         ], [
1813                 AC_MSG_RESULT(no)
1814         ]) 
1815
1816         dnl **********************************
1817         dnl *** epoll                      ***
1818         dnl **********************************
1819         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1820                 AC_CHECK_HEADERS(sys/epoll.h)
1821                 haveepoll=no
1822                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1823                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1824                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1825                 fi
1826         fi
1827
1828         havekqueue=no
1829         AC_CHECK_FUNCS(kqueue, , AC_MSG_CHECKING(for kqueue in sys/event.h)
1830                 AC_TRY_LINK([#include <sys/event.h>], 
1831                 [ kqueue(); ],[havekqueue=yes],[]))
1832
1833         dnl **************************************
1834         dnl * Darwin has a race that prevents us from using reliably:
1835         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1836         dnl * Since kqueue is mostly used for scaling large web servers, 
1837         dnl * and very few folks run Mono on large web servers on OSX, falling
1838         dnl * back 
1839         dnl **************************************
1840         if test x$havekqueue = xyes; then
1841                 if x$platform_darwin = xno; then
1842                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1843                 fi
1844         fi
1845
1846         dnl ******************************
1847         dnl *** Checks for SIOCGIFCONF ***
1848         dnl ******************************
1849         AC_CHECK_HEADERS(sys/ioctl.h)
1850         AC_CHECK_HEADERS(net/if.h, [], [],
1851            [
1852            #ifdef HAVE_SYS_TYPES_H
1853            # include <sys/types.h>
1854            #endif
1855            #ifdef HAVE_SYS_SOCKET_H
1856            # include <sys/socket.h>
1857            #endif
1858            ])
1859         AC_MSG_CHECKING(for ifreq)
1860         AC_TRY_COMPILE([
1861                 #include <stdio.h>
1862                 #include <sys/ioctl.h>
1863                 #include <net/if.h>
1864                 ], [
1865                 struct ifconf ifc;
1866                 struct ifreq *ifr;
1867                 void *x;
1868                 ifc.ifc_len = 0;
1869                 ifc.ifc_buf = NULL;
1870                 x = (void *) &ifr->ifr_addr;
1871                 ],[
1872                         AC_MSG_RESULT(yes)
1873                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1874                 ], [
1875                         AC_MSG_RESULT(no)
1876                 ])
1877         dnl **********************************
1878         dnl ***     Checks for sin_len     ***
1879         dnl **********************************
1880         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1881         AC_TRY_COMPILE([
1882                 #include <netinet/in.h>
1883                 ], [
1884                 struct sockaddr_in saddr;
1885                 saddr.sin_len = sizeof (saddr);
1886                 ],[
1887                         AC_MSG_RESULT(yes)
1888                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1889                 ], [
1890                         AC_MSG_RESULT(no)
1891                 ])      
1892         dnl **********************************
1893         dnl ***    Checks for sin6_len     ***
1894         dnl **********************************
1895         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1896         AC_TRY_COMPILE([
1897                 #include <netinet/in.h>
1898                 ], [
1899                 struct sockaddr_in6 saddr6;
1900                 saddr6.sin6_len = sizeof (saddr6);
1901                 ],[
1902                         AC_MSG_RESULT(yes)
1903                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1904                 ], [
1905                         AC_MSG_RESULT(no)
1906                 ])
1907         dnl **********************************
1908         dnl *** Check for getifaddrs       ***
1909         dnl **********************************
1910         AC_MSG_CHECKING(for getifaddrs)
1911                 AC_TRY_LINK([
1912                 #include <stdio.h>
1913                 #include <sys/types.h>
1914                 #include <sys/socket.h>
1915                 #include <ifaddrs.h>
1916         ], [
1917                 getifaddrs(NULL);
1918         ], [
1919                 # Yes, we have it...
1920                 AC_MSG_RESULT(yes)
1921                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1922         ], [
1923                 AC_MSG_RESULT(no)
1924         ])
1925         dnl **********************************
1926         dnl *** Check for if_nametoindex   ***
1927         dnl **********************************
1928         AC_MSG_CHECKING(for if_nametoindex)
1929                 AC_TRY_LINK([
1930                 #include <stdio.h>
1931                 #include <sys/types.h>
1932                 #include <sys/socket.h>
1933                 #include <net/if.h>
1934         ], [
1935                 if_nametoindex(NULL);
1936         ], [
1937                 # Yes, we have it...
1938                 AC_MSG_RESULT(yes)
1939                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1940         ], [
1941                 AC_MSG_RESULT(no)
1942         ])
1943                         
1944         dnl **********************************
1945         dnl *** Checks for MonoPosixHelper ***
1946         dnl **********************************
1947         AC_CHECK_HEADERS(checklist.h)
1948         AC_CHECK_HEADERS(pathconf.h)
1949         AC_CHECK_HEADERS(fstab.h)
1950         AC_CHECK_HEADERS(attr/xattr.h)
1951         AC_CHECK_HEADERS(sys/extattr.h)
1952         AC_CHECK_HEADERS(sys/sendfile.h)
1953         AC_CHECK_HEADERS(sys/statvfs.h)
1954         AC_CHECK_HEADERS(sys/statfs.h)
1955         AC_CHECK_HEADERS(sys/vfstab.h)
1956         AC_CHECK_HEADERS(sys/xattr.h)
1957         AC_CHECK_HEADERS(sys/mman.h)
1958         AC_CHECK_HEADERS(sys/param.h)
1959         AC_CHECK_HEADERS(sys/mount.h, [], [],
1960                 [
1961                 #ifdef HAVE_SYS_PARAM_H
1962                 # include <sys/param.h>
1963                 #endif
1964                 ])
1965         AC_CHECK_HEADERS(sys/mount.h)
1966         AC_CHECK_FUNCS(confstr)
1967         AC_CHECK_FUNCS(seekdir telldir)
1968         AC_CHECK_FUNCS(getdomainname)
1969         AC_CHECK_FUNCS(setdomainname)
1970         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1971         AC_CHECK_FUNCS(setgroups)
1972         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1973         AC_CHECK_FUNCS(getfsstat)
1974         AC_CHECK_FUNCS(lutimes futimes)
1975         AC_CHECK_FUNCS(mremap)
1976         AC_CHECK_FUNCS(remap_file_pages)
1977         AC_CHECK_FUNCS(posix_fadvise)
1978         AC_CHECK_FUNCS(posix_fallocate)
1979         AC_CHECK_FUNCS(posix_madvise)
1980         AC_CHECK_FUNCS(vsnprintf)
1981         AC_CHECK_FUNCS(sendfile)
1982         AC_CHECK_FUNCS(gethostid sethostid)
1983         AC_CHECK_FUNCS(sethostname)
1984         AC_CHECK_FUNCS(statfs)
1985         AC_CHECK_FUNCS(fstatfs)
1986         AC_CHECK_FUNCS(statvfs)
1987         AC_CHECK_FUNCS(fstatvfs)
1988         AC_CHECK_FUNCS(stime)
1989         AC_CHECK_FUNCS(strerror_r)
1990         AC_CHECK_FUNCS(ttyname_r)
1991         AC_CHECK_FUNCS(psignal)
1992         AC_CHECK_FUNCS(getlogin_r)
1993         AC_CHECK_FUNCS(lockf)
1994         AC_CHECK_FUNCS(swab)
1995         AC_CHECK_FUNCS(setusershell endusershell)
1996         AC_CHECK_FUNCS(futimens utimensat)
1997         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
1998         AC_CHECK_FUNCS(readv writev preadv pwritev)
1999         AC_CHECK_SIZEOF(size_t)
2000         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2001                 [#include <sys/types.h>
2002                  #include <sys/stat.h>
2003                  #include <unistd.h>])
2004         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2005                 [#include <sys/types.h>
2006                  #include <sys/stat.h>
2007                  #include <unistd.h>])
2008         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2009                 [#include <sys/time.h>])
2010         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2011                 [#include <unistd.h>
2012                  #include <fcntl.h>])
2013         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2014                 [#include <sys/uio.h>])
2015         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2016                 [#include <sys/poll.h>])
2017         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2018                 [#include <sys/types.h>
2019                  #include <sys/stat.h>
2020                  #include <unistd.h>])
2021         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2022                 [#include <time.h>])
2023         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2024                 [#include <sys/time.h>
2025                  #include <sys/types.h>
2026                  #include <utime.h>])
2027         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2028                 [#include <sys/time.h>])
2029         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2030                 [#include <sys/types.h>
2031                  #include <utime.h>])
2032         AC_CHECK_MEMBERS(
2033                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2034                 [#include <sys/types.h>
2035                  #include <dirent.h>])
2036         AC_CHECK_MEMBERS(
2037                 [struct passwd.pw_gecos],,, 
2038                 [#include <sys/types.h>
2039                  #include <pwd.h>])
2040         AC_CHECK_MEMBERS(
2041                 [struct statfs.f_flags],,, 
2042                 [#include <sys/types.h>
2043                  #include <sys/vfs.h>])
2044         AC_CHECK_MEMBERS(
2045                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2046                 [#include <sys/types.h>
2047                  #include <sys/stat.h>
2048                  #include <unistd.h>])
2049
2050         dnl Favour xattr through glibc, but use libattr if we have to
2051         AC_CHECK_FUNC(lsetxattr, ,
2052                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2053         )
2054         AC_SUBST(XATTR_LIB)
2055
2056         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2057         AC_CHECK_MEMBERS(
2058                 [struct kinfo_proc.kp_proc],,, 
2059                 [#include <sys/types.h>
2060                  #include <sys/param.h>
2061                  #include <sys/sysctl.h>
2062                  #include <sys/proc.h>
2063                  ])
2064
2065         dnl *********************************
2066         dnl *** Checks for Windows compilation ***
2067         dnl *********************************
2068         AC_CHECK_HEADERS(sys/time.h)
2069         AC_CHECK_HEADERS(sys/param.h)
2070         AC_CHECK_HEADERS(dirent.h)
2071
2072         dnl ******************************************
2073         dnl *** Checks for OSX and iOS compilation ***
2074         dnl ******************************************
2075         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2076
2077         dnl *********************************
2078         dnl *** Check for Console 2.0 I/O ***
2079         dnl *********************************
2080         AC_CHECK_HEADERS([curses.h])
2081         AC_CHECK_HEADERS([term.h], [], [],
2082         [#if HAVE_CURSES_H
2083          #include <curses.h>
2084          #endif
2085         ])
2086         AC_CHECK_HEADERS([termios.h])
2087
2088         dnl * This is provided in io-layer, but on windows it's only available
2089         dnl * on xp+
2090         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2091 else
2092         dnl *********************************
2093         dnl *** Checks for Windows compilation ***
2094         dnl *********************************
2095         AC_CHECK_HEADERS(winternl.h)
2096
2097         jdk_headers_found=no
2098         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2099         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2100         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2101         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2102         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2103         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2104         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2105
2106         dnl *********************************
2107         dnl *** Check for struct ip_mreqn ***
2108         dnl *********************************
2109         AC_MSG_CHECKING(for struct ip_mreqn)
2110         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2111                 struct ip_mreqn mreq;
2112                 mreq.imr_address.s_addr = 0;
2113         ], [
2114                 # Yes, we have it...
2115                 AC_MSG_RESULT(yes)
2116                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2117         ], [
2118                 # We'll just have to try and use struct ip_mreq
2119                 AC_MSG_RESULT(no)
2120                 AC_MSG_CHECKING(for struct ip_mreq)
2121                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2122                         struct ip_mreq mreq;
2123                         mreq.imr_interface.s_addr = 0;
2124                 ], [
2125                         # Yes, we have it...
2126                         AC_MSG_RESULT(yes)
2127                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2128                 ], [
2129                         # No multicast support
2130                         AC_MSG_RESULT(no)
2131                 ])
2132         ])
2133         AC_CHECK_FUNCS(GetProcessId)
2134         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2135         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2136         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2137         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2138         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2139 fi
2140
2141 dnl socklen_t check
2142 AC_MSG_CHECKING(for socklen_t)
2143 AC_TRY_COMPILE([
2144 #include <sys/types.h>
2145 #include <sys/socket.h>
2146 ],[
2147   socklen_t foo;
2148 ],[
2149 ac_cv_c_socklen_t=yes
2150         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2151         AC_MSG_RESULT(yes)
2152 ],[
2153         AC_MSG_RESULT(no)
2154 ])
2155
2156 AC_MSG_CHECKING(for array element initializer support)
2157 AC_TRY_COMPILE([#include <sys/socket.h>], [
2158         const int array[] = {[1] = 2,};
2159 ], [
2160         # Yes, we have it...
2161         AC_MSG_RESULT(yes)
2162         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2163 ], [
2164         # We'll have to use signals
2165         AC_MSG_RESULT(no)
2166 ])
2167
2168 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2169         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2170         AC_TRY_LINK([#include <math.h>], 
2171         [ static void *p = &trunc; ],
2172         [
2173                 AC_DEFINE(HAVE_TRUNC) 
2174                 AC_MSG_RESULT(yes)
2175                 ac_cv_trunc=yes
2176         ],
2177         AC_MSG_RESULT(no)))
2178
2179 if test "x$ac_cv_truncl" != "xyes"; then
2180    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2181 fi
2182
2183 AC_CHECK_FUNCS(round)
2184 AC_CHECK_FUNCS(rint)
2185 AC_CHECK_FUNCS(execvp)
2186
2187 dnl ****************************
2188 dnl *** Look for /dev/random ***
2189 dnl ****************************
2190
2191 AC_MSG_CHECKING([if usage of random device is requested])
2192 AC_ARG_ENABLE(dev-random,
2193 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2194 try_dev_random=$enableval, try_dev_random=yes)
2195
2196 AC_MSG_RESULT($try_dev_random)
2197
2198 case "{$build}" in
2199     *-openbsd*)
2200     NAME_DEV_RANDOM="/dev/srandom"
2201     ;;
2202
2203 dnl Win32 does not have /dev/random, they have their own method...
2204
2205     *-mingw*|*-*-cygwin*)
2206     ac_cv_have_dev_random=no
2207     ;;
2208
2209 dnl Everywhere else, it's /dev/random
2210
2211     *)
2212     NAME_DEV_RANDOM="/dev/random"
2213     ;;
2214 esac
2215
2216 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2217
2218 dnl Now check if the device actually exists
2219
2220 if test "x$try_dev_random" = "xyes"; then
2221     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2222     [if test -r "$NAME_DEV_RANDOM" ; then
2223         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2224     if test "x$ac_cv_have_dev_random" = "xyes"; then
2225         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2226     fi
2227 else
2228     AC_MSG_CHECKING(for random device)
2229     ac_cv_have_dev_random=no
2230     AC_MSG_RESULT(has been disabled)
2231 fi
2232
2233 if test "x$host_win32" = "xyes"; then
2234     AC_DEFINE(HAVE_CRYPT_RNG)
2235 fi
2236
2237 if test "x$ac_cv_have_dev_random" = "xno" \
2238     && test "x$host_win32" = "xno"; then
2239     AC_MSG_WARN([[
2240 ***
2241 *** A system-provided entropy source was not found on this system.
2242 *** Because of this, the System.Security.Cryptography random number generator
2243 *** will throw a NotImplemented exception.
2244 ***
2245 *** If you are seeing this message, and you know your system DOES have an
2246 *** entropy collection in place, please contact <crichton@gimp.org> and
2247 *** provide information about the system and how to access the random device.
2248 ***
2249 *** Otherwise you can install either egd or prngd and set the environment
2250 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2251 ***]])
2252 fi
2253  
2254 AC_MSG_CHECKING([if inter-process shared handles are requested])
2255 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2256 AC_MSG_RESULT($try_shared_handles)
2257 if test "x$try_shared_handles" != "xyes"; then
2258         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2259         AC_SUBST(DISABLE_SHARED_HANDLES)
2260 fi
2261
2262 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2263
2264 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2265 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2266
2267 AC_MSG_CHECKING([if big-arrays are to be enabled])
2268 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2269 if test "x$enable_big_arrays" = "xyes" ; then
2270     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2271         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2272     else
2273         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2274     fi
2275 fi
2276 AC_MSG_RESULT($enable_big_arrays)
2277
2278 dnl **************
2279 dnl *** DTRACE ***
2280 dnl **************
2281
2282 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2283
2284 if test "x$enable_dtrace" = "xyes"; then
2285    if test "x$has_dtrace" = "xno"; then
2286           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2287    fi
2288    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2289    if test "x$DTRACE" = "xno"; then
2290           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2291           enable_dtrace=no
2292    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2293           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2294           enable_dtrace=no
2295    fi
2296 fi
2297
2298 dtrace_g=no
2299 if test "x$enable_dtrace" = "xyes"; then
2300         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2301         DTRACEFLAGS=
2302         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2303                 case "$host" in
2304                         powerpc-*-darwin*)
2305                         DTRACEFLAGS="-arch ppc64"
2306                         ;;
2307                         i*86-*-darwin*)
2308                         DTRACEFLAGS="-arch x86_64"
2309                         ;;
2310                         *)
2311                         DTRACEFLAGS=-64
2312                         ;;
2313                 esac
2314         else
2315                 case "$host" in
2316                         powerpc-*-darwin*)
2317                         DTRACEFLAGS="-arch ppc"
2318                         ;;
2319                         i*86-*-darwin*)
2320                         DTRACEFLAGS="-arch i386"
2321                         ;;
2322                         *)
2323                         DTRACEFLAGS=-32
2324                         ;;
2325                 esac
2326         fi
2327         AC_SUBST(DTRACEFLAGS)
2328         case "$host" in
2329                 *-*-solaris*)
2330                 dtrace_g=yes
2331                 ;;
2332         esac
2333         AC_CHECK_HEADERS([sys/sdt.h])
2334 fi
2335 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2336 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2337
2338 dnl **************
2339 dnl ***  NaCl  ***
2340 dnl **************
2341
2342 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2343 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2344
2345 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2346
2347 dnl
2348 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2349 dnl
2350 nacl_self_host=""
2351 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2352    nacl_self_host="nacl_self_host"
2353 fi
2354 AC_SUBST(nacl_self_host)
2355
2356 if test "x$enable_nacl_codegen" = "xyes"; then
2357    MONO_NACL_ALIGN_MASK_OFF=1
2358    AC_DEFINE(TARGET_NACL, 1, [...])
2359    AC_DEFINE(__native_client_codegen__, 1, [...])
2360 else
2361    MONO_NACL_ALIGN_MASK_OFF=0
2362    AC_DEFINE(__default_codegen__, 1, [...])
2363 fi
2364 if test "x$enable_nacl_gc" = "xyes"; then
2365    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2366       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2367    else
2368       # Not yet implemented
2369       INSTRUMENT_CFLAG=""
2370    fi
2371    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2372 fi
2373 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2374
2375 dnl **************
2376 dnl ***  LLVM  ***
2377 dnl **************
2378
2379 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2380 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2381 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2382
2383 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2384
2385 if test "x$enable_llvm" = "xyes"; then
2386    if test "x$with_llvm" != "x"; then
2387           LLVM_CONFIG=$with_llvm/bin/llvm-config
2388           if test ! -x $LLVM_CONFIG; then
2389                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2390       fi
2391    else
2392       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2393       if test "x$LLVM_CONFIG" = "xno"; then
2394              AC_MSG_ERROR([llvm-config not found.])
2395       fi
2396    fi
2397
2398    llvm_codegen="x86codegen"
2399    case "$target" in
2400    arm*)
2401                 llvm_codegen="armcodegen"
2402                 ;;
2403    esac
2404
2405    # The output of --cflags seems to include optimizations flags too
2406    LLVM_CFLAGS=`$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'`
2407    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2408    # from LLVM classes.
2409    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2410    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2411    if test "x$host" != "x$target"; then
2412       # No need for jit libs
2413       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2414    else
2415       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2416    fi
2417    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2418
2419    expected_llvm_version="3.3svn-mono/2c9642d"
2420
2421    # Should be something like '2.6' or '2.7svn'
2422    llvm_version=`$LLVM_CONFIG --version`
2423    major_version=`echo $llvm_version | cut -c 1`
2424    minor_version=`echo $llvm_version | cut -c 3`
2425    AC_MSG_CHECKING(LLVM version)
2426    AC_MSG_RESULT($llvm_version)
2427    if echo $llvm_version | grep -q 'mono'; then
2428           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2429           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"       
2430           if test "x$enable_llvm_version_check" == "xyes"; then
2431                  if test "$llvm_version" != "$expected_llvm_version"; then
2432                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2433                  fi
2434           fi
2435    else
2436           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.])
2437    fi
2438
2439    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2440    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2441    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2442
2443    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2444    # llvm's config.h
2445    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2446
2447    AC_SUBST(LLVM_CFLAGS)
2448    AC_SUBST(LLVM_CXXFLAGS)
2449    AC_SUBST(LLVM_LIBS)
2450    AC_SUBST(LLVM_LDFLAGS)
2451    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2452 fi
2453
2454 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2455 if test "x$enable_loadedllvm" = "xyes"; then
2456    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2457 fi
2458 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2459
2460 TARGET="unknown"
2461 ACCESS_UNALIGNED="yes"
2462
2463 JIT_SUPPORTED=no
2464 INTERP_SUPPORTED=no
2465 LIBC="libc.so.6"
2466 INTL="libc.so.6"
2467 SQLITE="libsqlite.so.0"
2468 SQLITE3="libsqlite3.so.0"
2469 X11="libX11.so"
2470
2471 sizeof_register="SIZEOF_VOID_P"
2472
2473 jit_wanted=true
2474 interp_wanted=false
2475 sgen_supported=false
2476 case "$host" in
2477         mips*)
2478                 TARGET=MIPS;
2479                 arch_target=mips;
2480                 sgen_supported=true
2481                 ACCESS_UNALIGNED="no"
2482                 JIT_SUPPORTED=yes
2483
2484                 AC_MSG_CHECKING(for mips n32)
2485                 AC_TRY_COMPILE([],[
2486                 #if _MIPS_SIM != _ABIN32
2487                 #error Not mips n32
2488                 #endif
2489                 return 0;
2490                 ],[
2491                 AC_MSG_RESULT(yes)
2492                 sizeof_register=8
2493                 ],[
2494                 AC_MSG_RESULT(no)
2495                 ])
2496                 ;;
2497         i*86-*-*)
2498                 TARGET=X86;
2499                 arch_target=x86;
2500                 JIT_SUPPORTED=yes
2501                 case $host_os in
2502                   solaris*)
2503                         LIBC="libc.so"
2504                         INTL="libintl.so"
2505                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2506                                 TARGET=AMD64
2507                                 arch_target=amd64
2508                         fi
2509
2510                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2511                         # int astruct __attribute__ ((visibility ("hidden")));
2512                         # void foo ()
2513                         # {
2514                         #       void *p = &astruct;
2515                         # }
2516                         # gcc -fPIC --shared -o libfoo.so foo.c
2517                         # yields:
2518                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2519                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2520                         have_visibility_hidden=no
2521                         sgen_supported=true
2522                         ;;
2523                   mingw*|cygwin*)
2524                         sgen_supported=true
2525                         have_visibility_hidden=no                 
2526                         ;;
2527                   haiku*)
2528                         LIBC=libroot.so
2529                         ;;
2530                   linux*)
2531                         sgen_supported=true
2532                         AOT_SUPPORTED="yes"
2533                         ;;
2534                   darwin*)
2535                         sgen_supported=true
2536                         AOT_SUPPORTED="yes"
2537                         ;;
2538                   darwin*|openbsd*|freebsd*)
2539                         sgen_supported=true
2540                         ;;
2541                 esac
2542                 ;;
2543         x86_64-*-* | amd64-*-*)
2544                 TARGET=AMD64;
2545                 arch_target=amd64;
2546                 JIT_SUPPORTED=yes
2547                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2548                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2549                         sizeof_register=8
2550                 fi
2551                 case $host_os in
2552                   linux*)
2553                         sgen_supported=true
2554                         AOT_SUPPORTED="yes"
2555                         ;;
2556                   darwin*|openbsd*|freebsd*)
2557                         sgen_supported=true
2558                         ;;
2559                 esac
2560                 case "$host" in
2561                         x86_64-*-nacl*)
2562                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2563                                 sizeof_register=8
2564                                 ;;
2565                 esac
2566                 ;;
2567         ia64-*-*)
2568                 TARGET=IA64
2569                 arch_target=ia64
2570                 ACCESS_UNALIGNED="no"
2571                 JIT_SUPPORTED=yes
2572                 LIBC="libc.so.6.1"
2573                 INTL="libc.so.6.1"
2574                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2575                 libmono_ldflags="-lunwind"
2576                 ;;
2577         sparc*-*-*)
2578                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2579                    TARGET=SPARC64
2580                 else
2581                         TARGET=SPARC
2582                 fi
2583                 arch_target=sparc;
2584                 JIT_SUPPORTED=yes
2585                 ACCESS_UNALIGNED="no"
2586                 case $host_os in
2587                   linux*) ;;
2588                   *)
2589                         LIBC="libc.so"
2590                         INTL="libintl.so"
2591                 esac
2592                 if test x"$GCC" = xyes; then
2593                         # We don't support v8 cpus
2594                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2595                 fi
2596                 if test x"$AR" = xfalse; then
2597                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2598                 fi
2599                 sgen_supported=true
2600                 ;;
2601         *-mingw*|*-*-cygwin*)
2602                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2603                 have_visibility_hidden=no
2604                 INTL="intl"
2605                 ;;
2606         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2607         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2608                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2609                         TARGET=POWERPC64;
2610                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2611                         CFLAGS="$CFLAGS -mminimal-toc"
2612                 else
2613                         TARGET=POWERPC;
2614                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2615                 fi
2616                 arch_target=ppc;
2617                 JIT_SUPPORTED=yes
2618                 case $host_os in
2619                   linux*|darwin*)
2620                         sgen_supported=true
2621                         ;;
2622                 esac
2623                 ;;
2624         arm*-darwin*)
2625                 TARGET=ARM;
2626                 arch_target=arm;
2627                 ACCESS_UNALIGNED="no"
2628                 JIT_SUPPORTED=yes
2629                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2630                 # libgc's gc_locks.h depends on this
2631             CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC"
2632                 sgen_supported=true
2633                 ;;
2634         arm*-linux*)
2635                 TARGET=ARM;
2636                 arch_target=arm;
2637                 ACCESS_UNALIGNED="no"
2638                 JIT_SUPPORTED=yes
2639                 sgen_supported=true
2640                 AOT_SUPPORTED="yes"
2641                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2642                 ;;
2643 # TODO: make proper support for NaCl host.
2644 #        arm*-*nacl)
2645 #               TARGET=ARM;
2646 #               arch_target=arm;
2647 #               ACCESS_UNALIGNED="no"
2648 #               JIT_SUPPORTED=yes
2649 #               sgen_supported=true
2650 #               AOT_SUPPORTED="no"
2651 #               ;;
2652         s390x-*-linux*)
2653                 TARGET=S390X;
2654                 arch_target=s390x;
2655                 ACCESS_UNALIGNED="yes"
2656                 JIT_SUPPORTED=yes
2657                 sgen_supported=true
2658                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2659                 ;;
2660 esac
2661
2662 HOST=$TARGET
2663
2664 if test "x$host" != "x$target"; then
2665    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2666    enable_mcs_build=no
2667    case "$target" in
2668    arm*-darwin*)
2669                 TARGET=ARM;
2670                 arch_target=arm;
2671                 ACCESS_UNALIGNED="no"
2672                 JIT_SUPPORTED=yes
2673                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2674                 jit_wanted=true
2675                 # Can't use tls, since it depends on the runtime detection of tls offsets
2676                 # in mono-compiler.h
2677                 with_tls=pthread
2678                 ;;
2679    powerpc64-ps3-linux-gnu)
2680                 TARGET=POWERPC64
2681                 arch_target=powerpc64
2682                 AC_DEFINE(TARGET_PS3, 1, [...])
2683                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2684                 # uses this define
2685                 AC_DEFINE(__mono_ppc64__, 1, [...])
2686                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2687                 sizeof_register=8
2688                 target_byte_order=G_BIG_ENDIAN
2689                 ;;
2690
2691    powerpc64-xbox360-linux-gnu)
2692                 TARGET=POWERPC64
2693                 arch_target=powerpc64
2694                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2695                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2696                 # uses this define
2697                 sizeof_register=8
2698                 target_byte_order=G_BIG_ENDIAN
2699                 ;;
2700    x86_64-*-nacl)
2701                 TARGET=AMD64
2702                 arch_target=amd64
2703                 AC_DEFINE(TARGET_AMD64, 1, [...])
2704                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2705                 sizeof_register=8
2706                 ;;
2707 # TODO: make proper support for NaCl target.
2708 #   arm*-*nacl)
2709 #               TARGET=ARM
2710 #               arch_target=arm
2711 #               AC_DEFINE(TARGET_ARM, 1, [...])
2712 #               ACCESS_UNALIGNED="no"
2713 #               JIT_SUPPORTED=yes
2714 #               sizeof_register=4
2715 #               CPPFLAGS="$CPPFLAGS \
2716 #                    -D__ARM_EABI__ \
2717 #                    -D__arm__ \
2718 #                    -D__portable_native_client__ \
2719 #                    -Dtimezone=_timezone \
2720 #                    -DDISABLE_SOCKETS \
2721 #                    -DDISABLE_ATTACH \
2722 #                    -DUSE_NEWLIB"
2723 #               jit_wanted=true
2724                 # Can't use tls, since it depends on the runtime detection of tls offsets
2725                 # in mono-compiler.h
2726 #               with_tls=pthread
2727 #               ;;
2728    i686-*-nacl)
2729                 TARGET=X86
2730                 arch_target=x86
2731                 AC_DEFINE(TARGET_X86, 1, [...])
2732                 sizeof_register=4
2733                 ;;
2734    arm*-linux-*)
2735                 TARGET=ARM;
2736                 arch_target=arm;
2737                 AC_DEFINE(TARGET_ARM, 1, [...])
2738                 ACCESS_UNALIGNED="no"
2739                 JIT_SUPPORTED=yes
2740                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2741                 jit_wanted=true
2742                 # Can't use tls, since it depends on the runtime detection of tls offsets
2743                 # in mono-compiler.h
2744                 with_tls=pthread
2745                 target_mach=no
2746                 case "$target" in
2747                 armv7l-unknown-linux-gnueabi*)
2748                         # TEGRA
2749                         CPPFLAGS="$CPPFLAGS"
2750                         ;;
2751                 armv5-*-linux-androideabi*)
2752                         AC_DEFINE(TARGET_ANDROID, 1, [...])
2753                         CPPFLAGS="$CPPFLAGS"
2754                         ;;
2755                 esac
2756                 ;;
2757         *)
2758                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2759         esac
2760 fi
2761
2762 case "$TARGET" in
2763 X86)
2764         AC_DEFINE(TARGET_X86, 1, [...])
2765         ;;
2766 AMD64)
2767         AC_DEFINE(TARGET_AMD64, 1, [...])
2768         ;;
2769 ARM)
2770         AC_DEFINE(TARGET_ARM, 1, [...])
2771         ;;
2772 POWERPC)
2773         AC_DEFINE(TARGET_POWERPC, 1, [...])
2774         ;;
2775 POWERPC64)
2776         AC_DEFINE(TARGET_POWERPC, 1, [...])
2777         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2778         ;;
2779 S390X)
2780         AC_DEFINE(TARGET_S390X, 1, [...])
2781         ;;
2782 MIPS)
2783         AC_DEFINE(TARGET_MIPS, 1, [...])
2784         ;;
2785 IA64)
2786         AC_DEFINE(TARGET_IA64, 1, [...])
2787         ;;
2788 SPARC)
2789         AC_DEFINE(TARGET_SPARC, 1, [...])
2790         ;;
2791 SPARC64)
2792         AC_DEFINE(TARGET_SPARC64, 1, [...])
2793         ;;
2794 esac
2795
2796 dnl Use GCC atomic ops if they work on the target.
2797 if test x$GCC = "xyes"; then
2798         case $TARGET in
2799         X86 | AMD64 | ARM | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
2800                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
2801                 ;;
2802         esac
2803 fi
2804
2805 if test "x$target_mach" = "xyes"; then
2806    if test "x$TARGET" = "xARM"; then
2807           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2808           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2809           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2810    else
2811        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2812        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2813        #error fail this for ios
2814        #endif
2815        return 0;
2816        ], [
2817                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2818           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2819           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2820        ], [
2821           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2822           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2823           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2824        ])
2825         fi
2826    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2827 fi
2828
2829 if test "x$sizeof_register" = "x4"; then
2830    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2831 elif test "x$sizeof_register" = "x8"; then
2832    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2833 else
2834    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2835 fi
2836
2837 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2838    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2839 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2840    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2841 else
2842    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2843 fi
2844
2845 if test "x$have_visibility_hidden" = "xyes"; then
2846    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2847 fi
2848
2849 if test "x$have_deprecated" = "xyes"; then
2850    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2851 fi
2852
2853 dnl 
2854 dnl Simple Generational checks (sgen)
2855 dnl
2856 if $sgen_supported; then
2857    build_sgen_default=yes
2858 else
2859    build_sgen_default=no
2860 fi
2861 SGEN_DEFINES=
2862 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2863 if test x$buildsgen = xyes; then
2864    if $sgen_supported; then
2865        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2866        gc_msg="sgen and $gc_msg"
2867    else
2868        buildsgen=no
2869        AC_MSG_WARN("Sgen is not supported on this platform")
2870    fi
2871 fi
2872 AC_SUBST(SGEN_DEFINES)
2873 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2874
2875 USEJIT=false
2876 if test x$JIT_SUPPORTED = xyes; then
2877    if $jit_wanted; then
2878       USEJIT=true
2879       jit_status="Building and using the JIT"
2880    else
2881       if $interp_wanted; then
2882          jit_status="Building the JIT, defaulting to the interpreter"
2883       else
2884          AC_ERROR(No JIT or interpreter support available or selected.)
2885       fi
2886    fi
2887 else
2888    if test x$interp_wanted = xtrue; then
2889       jit_status="interpreter"
2890    else
2891       AC_ERROR(No JIT or interpreter support available or selected.)
2892    fi
2893 fi
2894
2895 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2896
2897 libsuffix=".so"
2898
2899 case "$host" in
2900      *-*-darwin*)
2901         libsuffix=".dylib"
2902         LIBC="libc.dylib"
2903         INTL="libintl.dylib"
2904         SQLITE="libsqlite.0.dylib"
2905         SQLITE3="libsqlite3.0.dylib"
2906         X11="libX11.dylib"
2907         ;;
2908      *-*-*netbsd*)
2909         LIBC="libc.so.12"
2910         INTL="libintl.so.0"
2911         ;;
2912     *-*-*freebsd*)
2913         LIBC="libc.so"
2914         INTL="libintl.so"
2915         SQLITE="libsqlite.so"
2916         SQLITE3="libsqlite3.so"
2917         ;;
2918     *-*-*openbsd*)
2919         LIBC="libc.so"
2920         INTL="libintl.so"
2921         SQLITE="libsqlite.so"
2922         SQLITE3="libsqlite3.so"
2923         ;;
2924     *-*-*linux*)
2925         AC_PATH_X
2926         AC_MSG_CHECKING(for the soname of libX11.so)
2927         for i in $x_libraries /usr/lib /usr/lib64; do
2928                 for r in 4 5 6; do
2929                         if test -f $i/libX11.so.$r; then
2930                                 X11=libX11.so.$r
2931                                 AC_MSG_RESULT($X11)
2932                         fi
2933                 done
2934         done
2935         
2936         if test "x$X11" = "xlibX11.so"; then
2937                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2938                 X11=libX11.so.6
2939         fi
2940         ;;
2941 esac
2942
2943
2944 AC_SUBST(libsuffix)
2945
2946 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2947         if test "x$with_tls" = "x__thread"; then
2948                 #
2949                 # On some linux distributions, TLS works in executables, but linking 
2950                 # against a shared library containing TLS fails with:
2951                 # undefined reference to `__tls_get_addr'
2952                 #
2953                 rm -f conftest.c conftest.so conftest
2954                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
2955                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2956                 $CC -o conftest conftest.so > /dev/null 2>&1
2957                 if test ! -f conftest; then
2958                    AC_MSG_WARN([Disabling usage of __thread.]);
2959                    with_tls=pthread
2960                 fi
2961                 rm -f conftest.c conftest.so conftest
2962         fi
2963 fi
2964
2965 mono_debugger_supported=no
2966 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
2967 if test "x$try_mono_debugger" = "xyes"; then
2968         if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xS390x"; then
2969                 if test x$use_included_gc = xyes; then
2970                         case "$host" in
2971                         *-*-*linux*)
2972                                 mono_debugger_supported=yes
2973                                 ;;
2974                         *86-apple-darwin*)
2975                                 mono_debugger_supported=yes
2976                                 ;;              
2977                         esac
2978                 fi
2979         fi
2980 fi
2981
2982 # disable the debugger entirely when building with moonlight
2983 if test "x$with_moonlight" != "xno"; then
2984         mono_debugger_supported=no
2985 fi
2986
2987 # mdb support for sgen is broken, disable it until further notice.
2988 mono_debugger_supported=no
2989
2990 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2991 if test "x$mono_debugger_supported" = "xyes"; then
2992         BOEHM_DEFINES="$BOEHM_DEFINES -DMONO_DEBUGGER_SUPPORTED"
2993         CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DMONO_DEBUGGER_SUPPORTED"
2994 fi
2995 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2996 AC_MSG_RESULT($mono_debugger_supported)
2997
2998 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
2999 if test "x$icall_symbol_map" = "xyes"; then
3000    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3001 fi
3002
3003 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3004 if test "x$icall_export" = "xyes"; then
3005    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3006 fi
3007
3008 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3009 if test "x$icall_tables" = "xno"; then
3010    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3011 fi
3012
3013 if test "x$with_tls" = "x__thread"; then
3014         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3015         # Pass the information to libgc
3016         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3017         AC_MSG_CHECKING(if the tls_model attribute is supported)
3018         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3019                 ], [
3020                         AC_MSG_RESULT(yes)
3021                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3022                 ], [
3023                         AC_MSG_RESULT(no)
3024         ])
3025 fi
3026
3027 if test ${TARGET} = ARM; then
3028         dnl ******************************************
3029         dnl *** Check to see what FPU is available ***
3030         dnl ******************************************
3031         AC_MSG_CHECKING(which FPU to use)
3032
3033         #
3034         # This is a bit tricky:
3035         #
3036         # if (__ARM_PCS_VFP) {
3037         #       /* mfloat-abi=hard == VFP with hard ABI */
3038         # } elif (!__SOFTFP__) {
3039         #       /* mfloat-abi=softfp == VFP with soft ABI */
3040         # } else {
3041         #       /* mfloat-abi=soft == no VFP */
3042         # }
3043         #
3044         # The exception is iOS (w/ GCC) where none of the above
3045         # are defined (but iOS always uses the 'softfp' ABI).
3046         #
3047         # No support for FPA.
3048         #
3049
3050         fpu=NONE
3051
3052         # iOS GCC always uses the 'softfp' ABI.
3053         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3054                 fpu=VFP
3055         fi
3056
3057         # Are we using the 'hard' ABI?
3058         if test x$fpu = xNONE; then
3059                 AC_TRY_COMPILE([], [
3060                         #ifndef __ARM_PCS_VFP
3061                         #error "Float ABI is not 'hard'"
3062                         #endif
3063                         return 0;
3064                 ], [
3065                         fpu=VFP_HARD
3066                 ], [
3067                         fpu=NONE
3068                 ])
3069         fi
3070
3071         # No 'hard' ABI. 'soft' or 'softfp'?
3072         if test x$fpu = xNONE; then
3073                 AC_TRY_COMPILE([], [
3074                         #ifdef __SOFTFP__
3075                         #error "Float ABI is not 'softfp'"
3076                         #endif
3077                         return 0;
3078                 ], [
3079                         fpu=VFP
3080                 ], [
3081                         fpu=NONE
3082                 ])
3083         fi
3084
3085         AC_MSG_RESULT($fpu)
3086         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3087         unset fpu
3088
3089         dnl *********************************************
3090         dnl *** Check which ARM version(s) we can use ***
3091         dnl *********************************************
3092         AC_MSG_CHECKING(which ARM version to use)
3093
3094         AC_TRY_COMPILE([], [
3095                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3096                 #error Not on ARM v5.
3097                 #endif
3098                 return 0;
3099         ], [
3100                 arm_v5=yes
3101         ], [])
3102
3103         AC_TRY_COMPILE([], [
3104                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3105                 #error Not on ARM v6.
3106                 #endif
3107                 return 0;
3108         ], [
3109                 arm_v5=yes
3110                 arm_v6=yes
3111         ], [])
3112
3113         AC_TRY_COMPILE([], [
3114                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3115                 #error Not on ARM v7.
3116                 #endif
3117                 return 0;
3118         ], [
3119                 arm_v5=yes
3120                 arm_v6=yes
3121                 arm_v7=yes
3122         ], [])
3123
3124         if test x$arm_v5 = xyes; then
3125                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3126                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3127         fi
3128
3129         if test x$arm_v6 = xyes; then
3130                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3131                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3132         fi
3133
3134         if test x$arm_v7 = xyes; then
3135                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3136                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3137         fi
3138 fi
3139
3140 if test ${TARGET} = ARM; then
3141         if test "x${with_jumptables}" = "xyes"; then
3142                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3143         fi
3144 fi
3145
3146 if test ${TARGET} = unknown; then
3147         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3148         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3149 fi
3150
3151 if test ${ACCESS_UNALIGNED} = no; then
3152         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3153 fi
3154
3155 case "x$gc" in
3156         xincluded)
3157                 # Pass CPPFLAGS to libgc configure
3158                 # We should use a separate variable for this to avoid passing useless and
3159                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3160                 # This should be executed late so we pick up the final version of CPPFLAGS
3161                 # The problem with this approach, is that during a reconfigure, the main
3162                 # configure scripts gets invoked with these arguments, so we use separate
3163                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3164                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3165                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3166                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3167                 fi
3168                 # Don't pass -finstrument-for-thread-suspension in, 
3169                 # if these are instrumented it will be very bad news 
3170                 # (infinite recursion, undefined parking behavior, etc)
3171                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3172                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3173                 AC_CONFIG_SUBDIRS(libgc)
3174                 ;;
3175 esac
3176
3177 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
3178 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
3179 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
3180 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3181 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3182 AC_ARG_WITH(mobile,    [  --with-mobile=yes,no            If you want to build the Mobile assemblies (defaults to no)],        [], [with_mobile=no])
3183
3184 OPROFILE=no
3185 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3186         if test x$with_oprofile != xno; then
3187             oprofile_include=$with_oprofile/include
3188             if test ! -f $oprofile_include/opagent.h; then
3189                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3190                 fi
3191             OPROFILE=yes
3192                 OPROFILE_CFLAGS="-I$oprofile_include"
3193             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3194             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3195         fi
3196 ])
3197
3198 MALLOC_MEMPOOLS=no
3199 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3200         if test x$with_malloc_mempools = xyes; then
3201                 MALLOC_MEMPOOLS=yes
3202                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3203         fi
3204 ])
3205
3206
3207 DISABLE_MCS_DOCS=no
3208 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3209         if test x$with_mcs_docs != xyes; then
3210                 DISABLE_MCS_DOCS=yes
3211         fi
3212 ])
3213 if test x$with_profile4 != xyes; then
3214         DISABLE_MCS_DOCS=yes
3215 fi
3216
3217 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)],[
3218         if test x$with_lazy_gc_thread_creation != xno ; then
3219                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3220         fi
3221 ], [with_lazy_gc_thread_creation=no])
3222
3223 AC_CHECK_HEADER([malloc.h], 
3224                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3225                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3226
3227 if test x"$GCC" = xyes; then
3228         # Implicit function declarations are not 64 bit safe
3229         # Do this late, since this causes lots of configure tests to fail
3230         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3231         # jay has a lot of implicit declarations
3232         JAY_CFLAGS="-Wno-implicit-function-declaration"
3233 fi
3234
3235 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3236 # instead of libmono-static.a
3237 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3238    LIBMONO_LA=libmini-static.la
3239 else
3240    if test x$buildsgen = xyes; then
3241       LIBMONO_LA=libmonosgen-$API_VER.la
3242    else
3243       LIBMONO_LA=libmonoboehm-$API_VER.la
3244    fi
3245 fi
3246 AC_SUBST(LIBMONO_LA)
3247
3248 dnl
3249 dnl Consistency settings
3250 dnl
3251 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3252    DISABLE_MCS_DOCS=yes
3253    with_profile2=no
3254    with_profile4=no
3255    with_profile4_5=no
3256    with_monodroid=no
3257    with_monotouch=no
3258 fi
3259
3260 if test x$DISABLE_MCS_DOCS = xyes; then
3261    docs_dir=""
3262 else
3263    docs_dir=docs
3264 fi
3265 AC_SUBST(docs_dir)
3266
3267 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3268 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3269
3270 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3271 AC_SUBST(OPROFILE_CFLAGS)
3272 AC_SUBST(OPROFILE_LIBS)
3273
3274 libmono_ldflags="$libmono_ldflags $LIBS"
3275
3276 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3277 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3278 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3279 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3280 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3281 AM_CONDITIONAL(INSTALL_MOBILE, [test "x$with_mobile" = xyes])
3282 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3283
3284 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3285 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3286 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3287 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3288 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3289 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3290 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3291 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3292 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3293 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3294 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3295 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3296 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3297 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3298 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3299 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3300
3301 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3302 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3303 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3304
3305 AC_SUBST(LIBC)
3306 AC_SUBST(INTL)
3307 AC_SUBST(SQLITE)
3308 AC_SUBST(SQLITE3)
3309 AC_SUBST(X11)
3310 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3311 AC_SUBST(arch_target)
3312 AC_SUBST(CFLAGS)
3313 AC_SUBST(CPPFLAGS)
3314 AC_SUBST(LDFLAGS)
3315
3316 mono_build_root=`pwd`
3317 AC_SUBST(mono_build_root)
3318
3319 if test x$USEJIT = xtrue; then
3320   mono_runtime=mono/mini/mono
3321 else
3322   mono_runtime=mono/interpreter/mint
3323 fi
3324 AC_SUBST(mono_runtime)
3325
3326 mono_cfg_root=$mono_build_root/runtime
3327 if test x$host_win32 = xyes; then
3328   if test "x$cross_compiling" = "xno"; then
3329     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3330   else
3331     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3332   fi
3333 else
3334   mono_cfg_dir=$mono_cfg_root/etc
3335 fi
3336 AC_SUBST(mono_cfg_dir)
3337
3338 AC_CONFIG_FILES([po/mcs/Makefile.in])
3339
3340 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3341 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3342
3343 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3344 [   depth=../../../..
3345     case $srcdir in
3346     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3347     .) reldir=$depth ;;
3348     *) reldir=$depth/$srcdir ;;
3349     esac
3350     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3351     cd runtime/etc/mono/1.0
3352     rm -f machine.config
3353     $LN_S $reldir/data/net_1_1/machine.config machine.config
3354     cd $depth
3355 ],[LN_S='$LN_S'])
3356
3357 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/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/2.0
3365     cd runtime/etc/mono/2.0
3366     rm -f machine.config
3367     $LN_S $reldir/data/net_2_0/machine.config machine.config
3368     cd $depth
3369 ],[LN_S='$LN_S'])
3370
3371 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.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 web.config
3381     $LN_S $reldir/data/net_2_0/web.config web.config
3382     cd $depth
3383 ],[LN_S='$LN_S'])
3384
3385 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
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/
3393     cd runtime/etc/mono/
3394     rm -f browscap.ini
3395     $LN_S $reldir/data/browscap.ini browscap.ini
3396     cd $depth
3397 ],[LN_S='$LN_S'])
3398
3399 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
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/2.0/Browsers/
3407     cd runtime/etc/mono/2.0/Browsers
3408     rm -f Compat.browser
3409     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3410     cd $depth
3411 ],[LN_S='$LN_S'])
3412
3413 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/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/4.0/Browsers/
3421     cd runtime/etc/mono/4.0/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/4.5/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/4.5/Browsers/
3435     cd runtime/etc/mono/4.5/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/4.0/machine.config],
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/4.0
3449     cd runtime/etc/mono/4.0
3450     rm -f machine.config
3451     $LN_S $reldir/data/net_4_0/machine.config machine.config
3452     cd $depth
3453 ],[LN_S='$LN_S'])
3454
3455 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.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 web.config
3465     $LN_S $reldir/data/net_4_0/web.config web.config
3466     cd $depth
3467 ],[LN_S='$LN_S'])
3468
3469 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.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/4.5
3477     cd runtime/etc/mono/4.5
3478     rm -f machine.config
3479     $LN_S $reldir/data/net_4_5/machine.config machine.config
3480     cd $depth
3481 ],[LN_S='$LN_S'])
3482
3483 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.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 web.config
3493     $LN_S $reldir/data/net_4_5/web.config web.config
3494     cd $depth
3495 ],[LN_S='$LN_S'])
3496
3497 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])
3498
3499 AC_OUTPUT([
3500 Makefile
3501 mono-core.spec
3502 mono-uninstalled.pc
3503 scripts/mono-find-provides
3504 scripts/mono-find-requires
3505 mono/Makefile
3506 mono/utils/Makefile
3507 mono/metadata/Makefile
3508 mono/dis/Makefile
3509 mono/cil/Makefile
3510 mono/arch/Makefile
3511 mono/arch/x86/Makefile
3512 mono/arch/amd64/Makefile
3513 mono/arch/ppc/Makefile
3514 mono/arch/sparc/Makefile
3515 mono/arch/s390x/Makefile
3516 mono/arch/arm/Makefile
3517 mono/arch/ia64/Makefile
3518 mono/arch/mips/Makefile
3519 mono/interpreter/Makefile
3520 mono/tests/Makefile
3521 mono/tests/tests-config
3522 mono/tests/assemblyresolve/Makefile
3523 mono/tests/cas/Makefile
3524 mono/tests/cas/assembly/Makefile
3525 mono/tests/cas/demand/Makefile
3526 mono/tests/cas/inheritance/Makefile
3527 mono/tests/cas/linkdemand/Makefile
3528 mono/tests/cas/threads/Makefile
3529 mono/tests/gc-descriptors/Makefile
3530 mono/benchmark/Makefile
3531 mono/monograph/Makefile
3532 mono/io-layer/Makefile
3533 mono/mini/Makefile
3534 mono/profiler/Makefile
3535 m4/Makefile
3536 ikvm-native/Makefile
3537 scripts/Makefile
3538 man/Makefile
3539 docs/Makefile
3540 data/Makefile
3541 data/net_2_0/Makefile
3542 data/net_4_0/Makefile
3543 data/net_4_5/Makefile
3544 data/net_2_0/Browsers/Makefile
3545 data/net_4_0/Browsers/Makefile
3546 data/net_4_5/Browsers/Makefile
3547 data/mint.pc
3548 data/mono-2.pc
3549 data/monosgen-2.pc
3550 data/mono.pc
3551 data/mono-cairo.pc
3552 data/mono-nunit.pc
3553 data/mono-options.pc
3554 data/mono-lineeditor.pc
3555 data/monodoc.pc
3556 data/mono.web.pc
3557 data/dotnet.pc
3558 data/dotnet35.pc
3559 data/wcf.pc
3560 data/cecil.pc
3561 data/system.web.extensions_1.0.pc
3562 data/system.web.extensions.design_1.0.pc
3563 data/system.web.mvc.pc
3564 data/system.web.mvc2.pc
3565 data/system.web.mvc3.pc
3566 data/aspnetwebstack.pc
3567 data/reactive.pc
3568 samples/Makefile
3569 support/Makefile
3570 data/config
3571 tools/Makefile
3572 tools/locale-builder/Makefile
3573 tools/sgen/Makefile
3574 runtime/Makefile
3575 msvc/Makefile
3576 po/Makefile
3577 ])
3578
3579 # Update all submodules recursively to ensure everything is checked out
3580 $srcdir/scripts/update_submodules
3581
3582 if test x$host_win32 = xyes; then
3583    # Get rid of 'cyg' prefixes in library names
3584    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3585    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3586    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3587    # executable doesn't work...
3588    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3589 fi
3590
3591 if test x$platform_darwin = xyes; then
3592    # This doesn't seem to be required and it slows down parallel builds
3593    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3594 fi
3595
3596 (
3597   case $prefix in
3598   NONE) prefix=$ac_default_prefix ;;
3599   esac
3600   case $exec_prefix in
3601   NONE) exec_prefix='${prefix}' ;;
3602   esac
3603
3604   #
3605   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3606   # any existing config.make.  This allows people to share the same source tree
3607   # with different build directories, one native and one cross
3608   #
3609   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3610
3611     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3612
3613     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3614     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3615     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3616     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3617     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3618     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3619     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3620     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3621
3622     case $INSTALL in
3623     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3624     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3625     esac
3626
3627     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3628
3629     export VERSION
3630     [myver=$($AWK 'BEGIN {
3631       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3632       if(length(vsplit [1]) > 4) {
3633         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3634       }
3635       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3636     }')]
3637
3638     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3639
3640     if test x$platform_darwin = xyes; then
3641       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3642     fi
3643
3644         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3645            enable_system_aot=yes
3646         fi
3647
3648         if test "x$enable_loadedllvm" = "xyes"; then
3649            # This seems to fail on the x86 buildbots
3650            enable_system_aot=no
3651         fi
3652
3653     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3654       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3655     fi
3656
3657     if test x$DISABLE_MCS_DOCS = xyes; then
3658       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3659     fi
3660
3661     if test x$has_extension_module != xno; then
3662         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3663     fi
3664
3665         default_profile=net_2_0
3666     if test -z "$INSTALL_4_0_TRUE"; then :
3667                 default_profile=net_4_0
3668     fi
3669     if test -z "$INSTALL_MONODROID_TRUE"; then :
3670                 default_profile=monodroid
3671     fi
3672     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3673                 default_profile=monotouch
3674     fi
3675     if test -z "$INSTALL_4_5_TRUE"; then :
3676                 default_profile=net_4_5
3677     fi
3678     
3679     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3680     
3681     if test "x$test_bcl_opt" = "xyes"; then    
3682       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3683     fi
3684
3685   fi
3686
3687   # if we have an olive folder, override the default settings
3688   if test -d $olivedir; then
3689
3690     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3691
3692       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3693
3694       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3695       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3696       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3697       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3698       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3699       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3700     fi
3701   fi
3702
3703 )
3704
3705 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3706
3707 echo "
3708         mcs source:    $mcsdir
3709
3710    Engine:
3711         GC:            $gc_msg 
3712         TLS:           $with_tls
3713         SIGALTSTACK:   $with_sigaltstack
3714         Engine:        $jit_status
3715         oprofile:      $OPROFILE
3716         BigArrays:     $enable_big_arrays
3717         DTrace:        $enable_dtrace
3718         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3719
3720    Libraries:
3721         .NET 2.0/3.5:  $with_profile2
3722         .NET 4.0:      $with_profile4
3723         .NET 4.5:      $with_profile4_5
3724         MonoDroid:     $with_monodroid
3725         MonoTouch:     $with_monotouch
3726         JNI support:   $jdk_headers_found
3727         libgdiplus:    $libgdiplus_msg
3728         zlib:          $zlib_msg
3729         $disabled
3730 "
3731 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3732    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3733 fi