Merge pull request #1077 from sethjackson/null-gc-sgen
[mono.git] / configure.ac
1 # Process this file with autoconf to produce a configure script.
2 #AC_PREREQ([2.62])
3
4 AC_INIT(mono, [3.6.1],
5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
6
7 AC_CONFIG_SRCDIR([README.md])
8 AC_CONFIG_MACRO_DIR([m4])
9 AC_CANONICAL_SYSTEM
10 AC_CANONICAL_HOST
11
12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
13 # The extra brackets are to foil regex-based scans.
14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
15
16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects])
17 AC_CONFIG_HEADERS([config.h])
18 AM_MAINTAINER_MODE
19
20 API_VER=2.0
21 AC_SUBST(API_VER)
22
23 AC_PROG_LN_S
24
25 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
26
27 case $host_os in
28 *cygwin* )
29                  echo "Run configure using ./configure --host=i686-pc-mingw32"
30                  exit 1
31 esac
32
33 # In case of cygwin, override LN_S, irrespective of what it determines.
34 # The build uses cygwin, but the actual runtime doesn't.
35 case $host_os in
36 *cygwin* ) LN_S='cp -p';;
37 esac
38
39 dnl
40 dnl libgc checks
41 dnl
42
43 gc_headers=no
44 gc=included
45 gc_msg="included Boehm"
46 use_included_gc=no
47 libgc_configure_args=
48
49 if test -d $srcdir/libgc ; then
50   gc_default=included
51 else
52   gc_default=boehm
53 fi
54
55 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
56 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
57 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
58 CFLAGS_FOR_LIBGC=$CFLAGS
59 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
60 CFLAGS_FOR_EGLIB=$CFLAGS
61
62 #
63 # These are the flags that need to be stored in the mono.pc file for 
64 # compiling code that will embed Mono
65 #
66 libmono_cflags=""
67 libmono_ldflags=""
68 AC_SUBST(libmono_cflags)
69 AC_SUBST(libmono_ldflags)
70
71 # Variable to have relocatable .pc files (lib, or lib64)
72 reloc_libdir=`basename ${libdir}`
73 AC_SUBST(reloc_libdir)
74
75 dnl if linker handles the version script
76 no_version_script=no
77
78 # Set to yes if Unix sockets cannot be created in an anonymous namespace
79 need_link_unlink=no
80
81 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
82 extra_runtime_ldflags=""
83
84 # Thread configuration inspired by sleepycat's db
85 AC_MSG_CHECKING([host platform characteristics])
86 libgc_threads=no
87 has_dtrace=no
88 parallel_mark=yes
89 ikvm_native=yes
90
91 case "$host" in
92         powerpc*-*-linux*)
93                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
94                 disable_munmap=yes
95         ;;
96 esac
97
98 host_win32=no
99 target_win32=no
100 platform_android=no
101 platform_darwin=no
102 case "$host" in
103         *-mingw*|*-*-cygwin*)
104                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
105                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
106                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
107                 host_win32=yes
108                 mono_cv_clang=no
109                 if test "x$cross_compiling" = "xno"; then
110                         target_win32=yes
111                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
112                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
113                         fi
114                 else
115                         target_win32=yes
116                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
117                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
118                 fi
119                 HOST_CC="gcc"
120                 # Windows 2000 is required that includes Internet Explorer 5.01
121                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
122                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
123                 libmono_cflags="-mms-bitfields -mwindows"
124                 libmono_ldflags="-mms-bitfields -mwindows"
125                 libdl=
126                 libgc_threads=win32
127                 gc_default=included
128                 with_sigaltstack=no
129                 LN_S=cp
130                 # This forces libgc to use the DllMain based thread registration code on win32
131                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
132                 ;;
133         *-*-*netbsd*)
134                 host_win32=no
135                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
136                 libmono_cflags="-D_REENTRANT"
137                 LDFLAGS="$LDFLAGS -pthread"
138                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
139                 libmono_ldflags="-pthread"
140                 need_link_unlink=yes
141                 libdl="-ldl"
142                 libgc_threads=pthreads
143                 with_sigaltstack=no
144                 use_sigposix=yes
145                 ;;
146         *-*-*freebsd*)
147                 host_win32=no
148                 if test "x$PTHREAD_CFLAGS" = "x"; then
149                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
150                         libmono_cflags=
151                 else
152                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
153                         libmono_cflags="$PTHREAD_CFLAGS"
154                 fi
155                 if test "x$PTHREAD_LIBS" = "x"; then
156                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
157                         libmono_ldflags="-pthread"
158                 else
159                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
160                         libmono_ldflags="$PTHREAD_LIBS"
161                 fi
162                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
163                 need_link_unlink=yes
164                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
165                 libdl=
166                 libgc_threads=pthreads
167                 use_sigposix=yes
168                 has_dtrace=yes
169                 ;;
170         *-*-*openbsd*)
171                 host_win32=no
172                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
173                 if test "x$disable_munmap" != "xyes"; then
174                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
175                 fi
176                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
177                 LDFLAGS="$LDFLAGS -pthread"
178                 need_link_unlink=yes
179                 AC_DEFINE(PTHREAD_POINTER_ID)
180                 libdl=
181                 gc_default=boehm
182                 libgc_threads=pthreads
183                 with_sigaltstack=no
184                 use_sigposix=yes
185                 ;;
186         *-*-linux-android*)
187                 host_win32=no
188                 platform_android=yes
189                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
190                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
191
192                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
193                 if test "x$disable_munmap" != "xyes"; then
194                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
195                 fi
196                 libmono_cflags="-D_REENTRANT"
197                 libdl="-ldl"
198                 libgc_threads=pthreads
199                 use_sigposix=yes
200
201                 with_tls=pthread
202                 with_sigaltstack=no
203                 with_static_mono=no
204
205                 # Android doesn't support boehm, as it's missing <link.h>
206                 support_boehm=no
207                 with_gc=sgen
208
209                 # isinf(3) requires -lm; see isinf check below
210                 LDFLAGS="$LDFLAGS -lm"
211
212                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
213                 # PAGE_SIZE; breaks mono/io-layer/collection.c
214                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
215                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
216                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
217
218                 # The configure check can't detect this
219                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
220
221                 # to bypass the underscore linker check, can't work when cross-compiling
222                 mono_cv_uscore=yes
223                 mono_cv_clang=no
224                 ;;
225         *-*-linux*)
226                 host_win32=no
227                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
228                 if test "x$disable_munmap" != "xyes"; then
229                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
230                 fi
231                 libmono_cflags="-D_REENTRANT"
232                 libdl="-ldl"
233                 libgc_threads=pthreads
234                 use_sigposix=yes
235                 if test "x$cross_compiling" != "xno"; then
236                         # to bypass the underscore linker check, not
237                         # available during cross-compilation
238                         mono_cv_uscore=no
239                 fi
240                 case "$host" in
241                 aarch64-*)
242                         support_boehm=no
243                         with_gc=sgen
244                         ;;
245                 esac
246                 ;;
247         *-*-nacl*)
248                 host_win32=no
249                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
250                 if test "x$disable_munmap" != "xyes"; then
251                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
252                 fi
253                 libmono_cflags="-D_REENTRANT"
254                 libdl=
255                 libgc_threads=pthreads
256                 gc_default=boehm
257                 use_sigposix=yes
258                 ikvm_native=no
259                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
260                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
261                 ;;
262         *-*-hpux*)
263                 host_win32=no
264                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
265                 # +ESdbgasm only valid on bundled cc on RISC
266                 # silently ignored for ia64
267                 if test $GCC != "yes"; then
268                         CFLAGS="$CFLAGS +ESdbgasm"
269                         # Arrange for run-time dereferencing of null
270                         # pointers to produce a SIGSEGV signal.
271                         LDFLAGS="$LDFLAGS -z"
272                 fi
273                 CFLAGS="$CFLAGS +ESdbgasm"
274                 LDFLAGS="$LDFLAGS -z"
275                 libmono_cflags="-D_REENTRANT"
276                 libmono_ldflags="-lpthread"
277                 libgc_threads=pthreads
278                 need_link_unlink=yes
279                 use_sigposix=yes
280                 ;;
281         *-*-solaris*)
282                 host_win32=no
283                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
284                 need_link_unlink=yes
285                 libmono_cflags="-D_REENTRANT"
286                 libgc_threads=pthreads
287                 # This doesn't seem to work on solaris/x86, but the configure test runs
288                 with_tls=pthread
289                 has_dtrace=yes
290                 use_sigposix=yes
291                 enable_solaris_tar_check=yes
292                 ;;
293         *-*-darwin*)
294                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
295                 host_win32=no
296                 platform_darwin=yes
297                 target_mach=yes
298                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
299                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
300                 libmono_cflags="-D_THREAD_SAFE"
301                 need_link_unlink=yes
302                 AC_DEFINE(PTHREAD_POINTER_ID)
303                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
304                 no_version_script=yes
305                 libdl=
306                 libgc_threads=pthreads
307                 has_dtrace=yes
308                 if test "x$cross_compiling" = "xyes"; then
309                         has_broken_apple_cpp=yes
310                 fi
311                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
312                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
313                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
314                 case "$host" in
315                         dnl Snow Leopard and newer config.guess reports as this
316                         i*86-*-darwin*)
317                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
318                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
319                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
320                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
321                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
322                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
323                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
324                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
325                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
326                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
327                                 ;;
328                         x*64-*-darwin*)
329                                 ;;
330                         arm*-darwin*)
331                                 has_dtrace=no
332                                 ;;                      
333                 esac
334                 ;;
335         *-*-haiku*)
336                 host_win32=no
337                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
338                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
339                 libdl=
340                 LIBS="$LIBS -lnetwork"
341                 need_link_unlink=yes
342                 AC_DEFINE(PTHREAD_POINTER_ID)
343                 libgc_threads=pthreads
344                 use_sigposix=yes
345                 ;;
346         *)
347                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
348                 host_win32=no
349                 libdl="-ldl"
350                 ;;
351 esac
352 AC_MSG_RESULT(ok)
353
354 if test x$need_link_unlink = xyes; then
355    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
356 fi
357
358 AC_SUBST(extra_runtime_ldflags)
359 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
360 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
361 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
362 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
363 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
364 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
365
366 AC_CHECK_TOOL(CC, gcc, gcc)
367 AC_PROG_CC
368 AC_CHECK_TOOL(CXX, g++, g++)
369 AC_PROG_CXX
370 AM_PROG_AS
371 AC_PROG_INSTALL
372 AC_PROG_AWK
373 AM_PROG_CC_C_O
374 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
375 : ${CCAS='$(CC)'}
376 # Set ASFLAGS if not already set.
377 : ${CCASFLAGS='$(CFLAGS)'}
378 AC_SUBST(CCAS)
379 AC_SUBST(CCASFLAGS)
380
381 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
382 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
383 if test "x$CXX" = "xg++"; then
384         if test "x$GXX" != "xyes"; then
385                 # automake/libtool is so broken, it requires g++ even if the c++ sources
386                 # are inside automake conditionals
387                 AC_MSG_ERROR([You need to install g++])
388         fi
389 fi
390
391 dnl may require a specific autoconf version
392 dnl AC_PROG_CC_FOR_BUILD
393 dnl CC_FOR_BUILD not automatically detected
394 CC_FOR_BUILD=$CC
395 CFLAGS_FOR_BUILD=$CFLAGS
396 BUILD_EXEEXT=
397 if test "x$cross_compiling" = "xyes"; then
398         CC_FOR_BUILD=cc
399         CFLAGS_FOR_BUILD=
400         BUILD_EXEEXT=""
401 fi
402 AC_SUBST(CC_FOR_BUILD)
403 AC_SUBST(CFLAGS_FOR_BUILD)
404 AC_SUBST(HOST_CC)
405 AC_SUBST(BUILD_EXEEXT)
406
407 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
408 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
409
410 # Set STDC_HEADERS
411 AC_HEADER_STDC
412 AC_LIBTOOL_WIN32_DLL
413 # This causes monodis to not link correctly
414 #AC_DISABLE_FAST_INSTALL
415 AM_PROG_LIBTOOL
416 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
417 DOLT
418
419 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
420 AC_SUBST(export_ldflags)
421
422 # Test whenever ld supports -version-script
423 AC_PROG_LD
424 AC_PROG_LD_GNU
425 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
426    no_version_script=yes
427 fi
428
429 AM_ICONV()
430
431 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
432
433 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)
434 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)
435 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
436                   [], [], [#include <stddef.h>
437                   #include <sys/socket.h>
438                   #include <linux/socket.h>])
439
440 AC_CHECK_HEADERS(sys/user.h, [], [],
441 [
442 #ifdef HAVE_SYS_PARAM_H
443 # include <sys/param.h>
444 #endif
445 ])
446
447 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
448 if test x$have_zlib = xyes; then
449    AC_TRY_COMPILE([#include <zlib.h>], [
450    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
451    return 0;
452    #else
453    #error No good zlib found
454    #endif
455    ],[
456         AC_MSG_RESULT(Using system zlib)
457         zlib_msg="system zlib"
458         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
459    ],[
460         AC_MSG_RESULT(Using embedded zlib)
461         have_zlib=no
462         zlib_msg="bundled zlib"
463    ])
464 fi
465
466 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
467 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
468
469 # for mono/metadata/debug-symfile.c
470 AC_CHECK_HEADERS(elf.h)
471
472 # for support
473 AC_CHECK_HEADERS(poll.h)
474 AC_CHECK_HEADERS(sys/poll.h)
475 AC_CHECK_HEADERS(sys/wait.h)
476 AC_CHECK_HEADERS(grp.h)
477 AC_CHECK_HEADERS(syslog.h)
478
479 # for mono/dis
480 AC_CHECK_HEADERS(wchar.h)
481 AC_CHECK_HEADERS(ieeefp.h)
482 AC_MSG_CHECKING(for isinf)
483 AC_TRY_LINK([#include <math.h>], [
484         int f = isinf (1);
485 ], [
486         AC_MSG_RESULT(yes)
487         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
488 ], [
489         # We'll have to use signals
490         AC_MSG_RESULT(no)
491 ])
492 # mingw
493 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
494         AC_TRY_LINK([#include <math.h>], 
495         [ _finite(0.0); ], 
496         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
497         AC_MSG_RESULT(no)))
498
499 # for Linux statfs support
500 AC_CHECK_HEADERS(linux/magic.h)
501
502 # not 64 bit clean in cross-compile
503 AC_CHECK_SIZEOF(void *, 4)
504
505 AC_CACHE_CHECK([for clang],
506         mono_cv_clang,[
507         AC_TRY_COMPILE([], [
508                 #ifdef __clang__
509                 #else
510                 #error "FAILED"
511                 #endif
512                 return 0;
513         ],
514         [mono_cv_clang=yes],
515         [mono_cv_clang=no],
516         [])
517 ])
518
519 WARN=''
520 if test x"$GCC" = xyes; then
521         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
522                 # The runtime code does not respect ANSI C strict aliasing rules
523                 CFLAGS="$CFLAGS -fno-strict-aliasing"
524
525                 # We rely on signed overflow to behave
526                 CFLAGS="$CFLAGS -fwrapv"
527
528                 ORIG_CFLAGS=$CFLAGS
529                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
530                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
531                 AC_TRY_COMPILE([],[
532                                 return 0;
533                 ], [
534                    AC_MSG_RESULT(yes)
535                 ], [
536                    AC_MSG_RESULT(no)
537                    CFLAGS=$ORIG_CFLAGS
538                 ])
539
540                 ORIG_CFLAGS=$CFLAGS
541                 # Check for the normal version, since gcc ignores unknown -Wno options
542                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
543                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
544                 AC_TRY_COMPILE([],[
545                                 return 0;
546                 ], [
547                    AC_MSG_RESULT(yes)
548                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
549                 ], [
550                    AC_MSG_RESULT(no)
551                    CFLAGS=$ORIG_CFLAGS
552                 ])
553
554                 if test "x$mono_cv_clang" = "xyes"; then
555                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
556                    WARN="$WARN -Qunused-arguments"
557                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign"
558                 fi
559 else
560         # The Sun Forte compiler complains about inline functions that access static variables
561         # so disable all inlining.
562         case "$host" in
563         *-*-solaris*)
564                 CFLAGS="$CFLAGS -Dinline="
565                 ;;
566         esac
567 fi
568 CFLAGS="$CFLAGS -g $WARN"
569 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
570
571 # Where's the 'mcs' source tree?
572 if test -d $srcdir/mcs; then
573   mcsdir=mcs
574 else
575   mcsdir=../mcs
576 fi
577
578 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
579         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
580                 mcsdir=$with_mcs_path
581         fi
582 )
583
584 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
585
586 #
587 # A sanity check to catch cases where the package was unpacked
588 # with an ancient tar program (Solaris)
589 #
590 AC_ARG_ENABLE(solaris-tar-check,
591 [  --disable-solaris-tar-check    disable solaris tar check],
592    do_solaris_tar_check=no, do_solaris_tar_check=yes)
593
594 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
595         AC_MSG_CHECKING(integrity of package)
596         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
597         then
598                 AC_MSG_RESULT(ok)
599         else
600                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
601                 AC_MSG_ERROR([$errorm])
602         fi
603 fi
604
605 if test "x$with_mcs_path" != "x"; then
606 mcs_topdir=$(cd "$mcsdir" && pwd)
607 mcs_topdir_from_srcdir=$mcs_topdir
608 else
609 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
610 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
611 fi
612
613 # Convert mcs_topdir* paths to Windows syntax.
614 if test x$cross_compiling$host_win32 = xnoyes; then
615   mcs_topdir=$(cygpath -m $mcs_topdir)
616   case $mcs_topdir_from_srcdir in
617     /cygdrive/*)
618         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
619         ;;
620   esac
621 fi
622
623 AC_SUBST([mcs_topdir])
624 AC_SUBST([mcs_topdir_from_srcdir])
625
626 # Where's the 'olive' source tree?
627 if test -d $srcdir/olive; then
628   olivedir=olive
629 else
630   olivedir=../olive
631 fi
632
633 if test -d $srcdir/$olivedir; then
634 olive_topdir='$(top_srcdir)/'$olivedir
635 fi
636
637 # gettext: prepare the translation directories. 
638 # we do not configure the full gettext, as we consume it dynamically from C#
639 AM_PO_SUBDIRS
640
641 if test "x$USE_NLS" = "xyes"; then
642    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
643
644    if test "x$HAVE_MSGFMT" = "xno"; then
645           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
646    fi
647 fi
648
649 AC_ARG_WITH([libgdiplus], 
650         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)], 
651         [], [with_libgdiplus=installed])
652
653 case $with_libgdiplus in
654 no|installed) libgdiplus_loc= ;;
655 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
656 /*) libgdiplus_loc=$with_libgdiplus ;;
657 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
658 esac
659 AC_SUBST([libgdiplus_loc])
660
661 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
662
663 pkg_config_path=
664 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
665         if test x$with_crosspkgdir = "x"; then
666                 if test -s $PKG_CONFIG_PATH; then
667                         pkg_config_path=$PKG_CONFIG_PATH
668                 fi
669         else
670                 pkg_config_path=$with_crosspkgdir
671                 PKG_CONFIG_PATH=$pkg_config_path
672                 export PKG_CONFIG_PATH
673         fi
674 )
675
676 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
677 AC_CONFIG_SUBDIRS(eglib)
678
679 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
680 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
681 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
682 BUILD_GLIB_LIBS="$GLIB_LIBS"
683 GMODULE_CFLAGS="$GLIB_CFLAGS"
684 GMODULE_LIBS="$GLIB_LIBS"
685   
686 AC_SUBST(GLIB_CFLAGS)
687 AC_SUBST(GLIB_LIBS)
688 AC_SUBST(GMODULE_CFLAGS)
689 AC_SUBST(GMODULE_LIBS)
690 AC_SUBST(BUILD_GLIB_CFLAGS)
691 AC_SUBST(BUILD_GLIB_LIBS)
692
693 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
694
695 # Enable support for fast thread-local storage
696 # Some systems have broken support, so we allow to disable it.
697 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
698
699 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
700 # This does not work on some platforms (bug #55253)
701 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
702
703 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
704 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
705 # Same as --with-shared_mono=no
706 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
707
708 if test "x$enable_static" = "xno"; then
709    with_static_mono=no
710 fi
711
712 if test "x$enable_shared" = "xno"; then
713    with_shared_mono=no
714 fi
715
716 if test "x$enable_libraries" = "xno"; then
717    with_shared_mono=no
718 fi
719
720 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
721
722 case $host in
723 *nacl* ) with_shared_mono=yes;;
724 esac
725
726 if test "x$host_win32" = "xyes"; then
727    # Boehm GC requires the runtime to be in its own dll
728    with_static_mono=no
729 fi
730
731 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
732 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
733 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
734
735 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
736 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
737         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
738         ORIG_CFLAGS=$CFLAGS
739         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
740         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
741         AC_TRY_COMPILE([], [
742                 return 0;
743         ], [
744            AC_MSG_RESULT(yes)
745            # Pass it to libgc as well
746            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
747         ], [
748            AC_MSG_RESULT(no)
749            CFLAGS=$ORIG_CFLAGS
750         ])
751 fi
752
753 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
754
755 if test x$enable_small_config = xyes; then
756         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
757         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
758 fi
759
760 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=$enableval, enable_system_aot=default)
761
762 DISABLED_FEATURES=none
763
764 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
765      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
766      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
767          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
768 [
769         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
770                 eval "mono_feature_disable_$feature='yes'"
771         done
772         DISABLED_FEATURES=$enable_minimal
773         disabled="Disabled:      $enable_minimal"
774 ],[])
775
776 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
777
778 if test "x$mono_feature_disable_aot" = "xyes"; then
779         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
780         AC_MSG_NOTICE([Disabled AOT compiler])
781 fi
782
783 if test "x$mono_feature_disable_profiler" = "xyes"; then
784         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
785         AC_MSG_NOTICE([Disabled support for the profiler])
786 fi
787 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
788
789 if test "x$mono_feature_disable_decimal" = "xyes"; then
790         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
791         AC_MSG_NOTICE([Disabled support for decimal])
792 fi
793
794 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
795         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
796         AC_MSG_NOTICE([Disabled support for P/Invoke])
797 fi
798
799 if test "x$mono_feature_disable_debug" = "xyes"; then
800         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
801         AC_MSG_NOTICE([Disabled support for runtime debugging])
802 fi
803
804 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
805         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
806         mono_feature_disable_reflection_emit_save=yes
807         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
808 fi
809
810 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
811         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
812         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
813 fi
814
815 if test "x$mono_feature_disable_large_code" = "xyes"; then
816         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
817         AC_MSG_NOTICE([Disabled support for large assemblies])
818 fi
819
820 if test "x$mono_feature_disable_logging" = "xyes"; then
821         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
822         AC_MSG_NOTICE([Disabled support for logging])
823 fi
824
825 if test "x$mono_feature_disable_com" = "xyes"; then
826         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
827         AC_MSG_NOTICE([Disabled COM support])
828 fi
829
830 if test "x$mono_feature_disable_ssa" = "xyes"; then
831         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
832         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
833 fi
834
835 if test "x$mono_feature_disable_generics" = "xyes"; then
836         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
837         AC_MSG_NOTICE([Disabled Generics Support])
838 fi
839
840 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
841         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
842         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
843 fi
844
845 if test "x$mono_feature_disable_portability" = "xyes"; then
846         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
847         AC_MSG_NOTICE([Disabled IO Portability layer])
848 fi
849
850 if test "x$mono_feature_disable_attach" = "xyes"; then
851         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
852         AC_MSG_NOTICE([Disabled agent attach])
853 fi
854
855 if test "x$mono_feature_disable_full_messages" = "xyes"; then
856         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
857         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
858 fi
859
860 if test "x$mono_feature_disable_verifier" = "xyes"; then
861         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
862         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
863 fi
864
865 if test "x$mono_feature_disable_jit" = "xyes"; then
866         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
867         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
868 fi
869
870 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
871
872 if test "x$mono_feature_disable_simd" = "xyes"; then
873         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
874         AC_MSG_NOTICE([Disabled SIMD support])
875 fi
876
877 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
878         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
879         AC_MSG_NOTICE([Disabled Soft Debugger.])
880 fi
881
882 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
883         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
884         AC_MSG_NOTICE([Disabled Performance Counters.])
885 fi
886 if test "x$mono_feature_disable_normalization" = "xyes"; then
887         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
888         AC_MSG_NOTICE([Disabled String normalization support.])
889 fi
890
891 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
892         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
893         AC_MSG_NOTICE([Disabled Assembly remapping.])
894 fi
895
896 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
897         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
898         AC_MSG_NOTICE([Disabled Shared perfcounters.])
899 fi
900
901 if test "x$mono_feature_disable_appdomains" = "xyes"; then
902         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
903         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
904 fi
905
906 if test "x$mono_feature_disable_remoting" = "xyes"; then
907         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
908         AC_MSG_NOTICE([Disabled remoting])
909 fi
910
911 if test "x$mono_feature_disable_security" = "xyes"; then
912         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
913         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
914 fi
915
916 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
917         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
918         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
919 fi
920
921 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
922         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
923         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
924 fi
925
926 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
927         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
928         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
929 fi
930
931 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
932         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
933         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
934 fi
935
936 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
937         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
938         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
939 fi
940
941 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
942 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
943
944 has_extension_module=no
945 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
946 [
947         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
948                 if test x$extension = xdefault ; then
949                         has_extension_module=yes;
950                 fi
951         done
952         if test x$enable_extension_module = xyes; then
953                 has_extension_module=yes;
954         fi
955 ], [])
956
957 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
958
959 if test x$has_extension_module != xno ; then
960         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
961         AC_MSG_NOTICE([Enabling mono extension module.])
962 fi
963
964 AC_ARG_ENABLE(gsharing, [  --enable-gsharing Enable gsharing], enable_gsharing=$enableval, enable_gsharing=no)
965 if test x$enable_gsharing = xyes; then
966         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharing])
967 fi
968
969 AC_ARG_ENABLE(native-types, [  --enable-native-types Enable native types], enable_native_types=$enableval, enable_native_types=no)
970 if test x$enable_native_types = xyes; then
971         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
972 fi
973
974 AC_MSG_CHECKING(for visibility __attribute__)
975 AC_COMPILE_IFELSE([
976         AC_LANG_SOURCE([[
977                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
978                 int main () { doit (); return 0; }
979         ]])
980 ], [
981    have_visibility_hidden=yes
982    AC_MSG_RESULT(yes)
983 ], [
984    have_visibility_hidden=no
985    AC_MSG_RESULT(no)
986 ])
987
988 AC_MSG_CHECKING(for deprecated __attribute__)
989 AC_TRY_COMPILE([
990      int doit (void) __attribute__ ((deprecated));
991      int doit (void) { return 0; }
992 ], [
993         return 0;
994 ], [
995    have_deprecated=yes
996    AC_MSG_RESULT(yes)
997 ], [
998    have_deprecated=no
999    AC_MSG_RESULT(no)
1000 ])
1001
1002 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1003 if test x$enable_parallel_mark = xyes; then
1004         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1005 fi
1006
1007 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1008 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1009
1010 dnl
1011 dnl Boehm GC configuration
1012 dnl
1013 LIBGC_CPPFLAGS=
1014 LIBGC_LIBS=
1015 LIBGC_STATIC_LIBS=
1016 libgc_dir=
1017 case "x$gc" in
1018         xboehm|xbohem|xyes)
1019                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
1020                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
1021
1022                 if test "x$found_boehm" != "xyes"; then
1023                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
1024                 fi
1025                 if test "x$gc_headers" != "xyes"; then
1026                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
1027                 fi
1028
1029                 LIBGC_LIBS="-lgc $libdl"
1030                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
1031                 libmono_ldflags="$libmono_ldflags -lgc"
1032                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1033
1034                 # AC_CHECK_FUNCS does not work for some reason...
1035                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1036                 if test "x$found_gcj_malloc" = "xyes"; then
1037                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1038                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1039                         gc_msg="System Boehm with typed GC"
1040                 else
1041                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1042                         gc_msg="System Boehm (without typed GC)"
1043                 fi
1044                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1045                 if test "x$found_gc_enable" = "xyes"; then
1046                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1047                 fi
1048
1049                 # check whether we need to explicitly allow
1050                 # thread registering
1051                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1052                 if test "x$found_allow_register_threads" = "xyes"; then
1053                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1054                 fi
1055
1056                 ;;
1057
1058         xincluded)
1059                 use_included_gc=yes
1060                 libgc_dir=libgc
1061
1062                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1063                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1064                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1065
1066                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1067
1068                 if test x$target_win32 = xyes; then
1069                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1070                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1071                 fi
1072
1073                 gc_msg="bundled Boehm GC with typed GC"
1074                 if test x$enable_parallel_mark = xyes; then
1075                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1076                         gc_msg="$gc_msg and parallel mark"
1077                 else
1078                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1079                 fi
1080                 ;;
1081
1082         xsgen)
1083                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1084                 ;;
1085
1086         xnone)
1087                 AC_MSG_WARN("Compiling mono without GC.")
1088                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1089                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1090                 gc_msg="none"
1091                 ;;
1092         *)
1093                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1094                 ;;
1095 esac
1096
1097 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1098 if test "x$large_heap" = "xyes"; then
1099    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1100 fi
1101
1102 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1103 AC_SUBST(LIBGC_CPPFLAGS)
1104 AC_SUBST(LIBGC_LIBS)
1105 AC_SUBST(LIBGC_STATIC_LIBS)
1106 AC_SUBST(libgc_dir)
1107 AC_SUBST(BOEHM_DEFINES)
1108
1109 dnl
1110 dnl End of libgc checks
1111 dnl
1112
1113 dnl *************************************
1114 dnl *** Checks for zero length arrays ***
1115 dnl *************************************
1116 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1117 AC_TRY_COMPILE([
1118         struct s {
1119                 int  length;
1120                 char data [0];
1121         };
1122 ], [], [
1123         AC_MSG_RESULT(yes)
1124         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1125 ], [
1126         AC_MSG_RESULT(no)
1127         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1128 ])
1129
1130 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1131
1132 if test x$target_win32 = xno; then
1133
1134         dnl hires monotonic clock support
1135         AC_SEARCH_LIBS(clock_gettime, rt)
1136
1137         dnl dynamic loader support
1138         AC_CHECK_FUNC(dlopen, DL_LIB="",
1139                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1140         )
1141         if test x$dl_support = xno; then
1142                 AC_MSG_WARN([No dynamic loading support available])
1143         else
1144                 LIBS="$LIBS $DL_LIB"
1145                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1146                 dnl from glib's configure.ac
1147                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1148                         mono_cv_uscore,[
1149                         AC_TRY_RUN([#include <dlfcn.h>
1150                         int mono_underscore_test (void) { return 42; }
1151                         int main() {
1152                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1153                           handle = dlopen ((void*)0, 0);
1154                           if (handle) {
1155                             f1 = dlsym (handle, "mono_underscore_test");
1156                             f2 = dlsym (handle, "_mono_underscore_test");
1157                           } return (!f2 || f1);
1158                         }],
1159                                 [mono_cv_uscore=yes],
1160                                 [mono_cv_uscore=no],
1161                         [])
1162                 ])
1163                 if test "x$mono_cv_uscore" = "xyes"; then
1164                         MONO_DL_NEED_USCORE=1
1165                 else
1166                         MONO_DL_NEED_USCORE=0
1167                 fi
1168                 AC_SUBST(MONO_DL_NEED_USCORE)
1169                 AC_CHECK_FUNC(dlerror)
1170         fi
1171
1172         dnl ******************************************************************
1173         dnl *** Checks for the IKVM JNI interface library                  ***
1174         dnl ******************************************************************
1175         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])
1176
1177         ikvm_native_dir=
1178         if test x$with_ikvm_native = xyes; then
1179                 ikvm_native_dir=ikvm-native
1180                 jdk_headers_found="IKVM Native"
1181         fi
1182
1183         AC_SUBST(ikvm_native_dir)
1184
1185         AC_CHECK_HEADERS(execinfo.h)
1186
1187         AC_CHECK_HEADERS(sys/auxv.h)
1188
1189         AC_CHECK_FUNCS(getgrgid_r)
1190         AC_CHECK_FUNCS(getgrnam_r)
1191         AC_CHECK_FUNCS(getpwnam_r)
1192         AC_CHECK_FUNCS(getpwuid_r)
1193         AC_CHECK_FUNCS(getresuid)
1194         AC_CHECK_FUNCS(setresuid)
1195         AC_CHECK_FUNCS(kqueue)
1196         AC_CHECK_FUNCS(backtrace_symbols)
1197         AC_CHECK_FUNCS(mkstemp)
1198         AC_CHECK_FUNCS(mmap)
1199         AC_CHECK_FUNCS(madvise)
1200         AC_CHECK_FUNCS(getrusage)
1201         AC_CHECK_FUNCS(getpriority)
1202         AC_CHECK_FUNCS(setpriority)
1203         AC_CHECK_FUNCS(dl_iterate_phdr)
1204         AC_CHECK_FUNCS(dladdr)
1205         AC_CHECK_FUNCS(sysconf)
1206
1207         AC_CHECK_FUNCS(sched_setaffinity)
1208         AC_CHECK_FUNCS(sched_getcpu)
1209
1210         dnl ****************************************************************
1211         dnl *** Check for sched_setaffinity from glibc versions before   ***
1212         dnl *** 2.3.4. The older versions of the function only take 2    ***
1213         dnl *** parameters, not 3.                                       ***
1214         dnl ***                                                          ***
1215         dnl *** Because the interface change was not made in a minor     ***
1216         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1217         dnl *** won't always indicate the interface sched_affinity has.  ***
1218         dnl ****************************************************************
1219         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1220         AC_TRY_COMPILE([#include <sched.h>], [
1221             int mask = 1; 
1222             sched_setaffinity(0, &mask);
1223                         return 0;
1224         ], [
1225                 # Yes, we have it...
1226                 AC_MSG_RESULT(yes)
1227                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1228         ], [
1229                 # We have the new, three-parameter version
1230                 AC_MSG_RESULT(no)
1231         ])
1232
1233
1234         dnl ******************************************************************
1235         dnl *** Check for large file support                               ***
1236         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1237         dnl ******************************************************************
1238         
1239         # Check that off_t can represent 2**63 - 1 correctly, working around
1240         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1241         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1242         large_offt=no
1243         AC_DEFUN([LARGE_FILES], [
1244                 large_CPPFLAGS=$CPPFLAGS
1245                 CPPFLAGS="$CPPFLAGS $1"
1246                 AC_TRY_COMPILE([
1247                         #include <sys/types.h>
1248                         #include <limits.h>
1249                 ], [
1250                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1251                         #define COMPILE_TIME_ASSERT(pred) \
1252                                 switch(0){case 0:case pred:;}
1253                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1254                 ], [
1255                         AC_MSG_RESULT(ok)
1256                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1257                         large_CPPFLAGS="$large_CPPFLAGS $1"
1258                         large_offt=yes
1259                 ], [
1260                         AC_MSG_RESULT(no)
1261                 ])
1262                 CPPFLAGS=$large_CPPFLAGS
1263         ])
1264
1265         AC_MSG_CHECKING(if off_t is 64 bits wide)
1266         LARGE_FILES("")
1267         if test $large_offt = no; then
1268                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1269                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1270         fi
1271         if test $large_offt = no; then
1272                 AC_MSG_WARN([No 64 bit file size support available])
1273         fi
1274         
1275         dnl *****************************
1276         dnl *** Checks for libsocket  ***
1277         dnl *****************************
1278         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1279
1280         case "$host" in
1281                 *-*-*freebsd*)
1282                         dnl *****************************
1283                         dnl *** Checks for libinotify ***
1284                         dnl *****************************
1285                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1286         esac
1287
1288         dnl *******************************
1289         dnl *** Checks for MSG_NOSIGNAL ***
1290         dnl *******************************
1291         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1292         AC_TRY_COMPILE([#include <sys/socket.h>], [
1293                 int f = MSG_NOSIGNAL;
1294         ], [
1295                 # Yes, we have it...
1296                 AC_MSG_RESULT(yes)
1297                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1298         ], [
1299                 # We'll have to use signals
1300                 AC_MSG_RESULT(no)
1301         ])
1302
1303         dnl *****************************
1304         dnl *** Checks for IPPROTO_IP ***
1305         dnl *****************************
1306         AC_MSG_CHECKING(for IPPROTO_IP)
1307         AC_TRY_COMPILE([#include <netinet/in.h>], [
1308                 int level = IPPROTO_IP;
1309         ], [
1310                 # Yes, we have it...
1311                 AC_MSG_RESULT(yes)
1312                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1313         ], [
1314                 # We'll have to use getprotobyname
1315                 AC_MSG_RESULT(no)
1316         ])
1317
1318         dnl *******************************
1319         dnl *** Checks for IPPROTO_IPV6 ***
1320         dnl *******************************
1321         AC_MSG_CHECKING(for IPPROTO_IPV6)
1322         AC_TRY_COMPILE([#include <netinet/in.h>], [
1323                 int level = IPPROTO_IPV6;
1324         ], [
1325                 # Yes, we have it...
1326                 AC_MSG_RESULT(yes)
1327                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1328         ], [
1329                 # We'll have to use getprotobyname
1330                 AC_MSG_RESULT(no)
1331         ])
1332
1333         dnl ******************************
1334         dnl *** Checks for IPPROTO_TCP ***
1335         dnl ******************************
1336         AC_MSG_CHECKING(for IPPROTO_TCP)
1337         AC_TRY_COMPILE([#include <netinet/in.h>], [
1338                 int level = IPPROTO_TCP;
1339         ], [
1340                 # Yes, we have it...
1341                 AC_MSG_RESULT(yes)
1342                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1343         ], [
1344                 # We'll have to use getprotobyname
1345                 AC_MSG_RESULT(no)
1346         ])
1347
1348         dnl *****************************
1349         dnl *** Checks for SOL_IP     ***
1350         dnl *****************************
1351         AC_MSG_CHECKING(for SOL_IP)
1352         AC_TRY_COMPILE([#include <netdb.h>], [
1353                 int level = SOL_IP;
1354         ], [
1355                 # Yes, we have it...
1356                 AC_MSG_RESULT(yes)
1357                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1358         ], [
1359                 # We'll have to use getprotobyname
1360                 AC_MSG_RESULT(no)
1361         ])
1362
1363         dnl *****************************
1364         dnl *** Checks for SOL_IPV6     ***
1365         dnl *****************************
1366         AC_MSG_CHECKING(for SOL_IPV6)
1367         AC_TRY_COMPILE([#include <netdb.h>], [
1368                 int level = SOL_IPV6;
1369         ], [
1370                 # Yes, we have it...
1371                 AC_MSG_RESULT(yes)
1372                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1373         ], [
1374                 # We'll have to use getprotobyname
1375                 AC_MSG_RESULT(no)
1376         ])
1377
1378         dnl *****************************
1379         dnl *** Checks for SOL_TCP    ***
1380         dnl *****************************
1381         AC_MSG_CHECKING(for SOL_TCP)
1382         AC_TRY_COMPILE([#include <netdb.h>], [
1383                 int level = SOL_TCP;
1384         ], [
1385                 # Yes, we have it...
1386                 AC_MSG_RESULT(yes)
1387                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1388         ], [
1389                 # We'll have to use getprotobyname
1390                 AC_MSG_RESULT(no)
1391         ])
1392
1393         dnl *****************************
1394         dnl *** Checks for IP_PKTINFO ***
1395         dnl *****************************
1396         AC_MSG_CHECKING(for IP_PKTINFO)
1397         AC_TRY_COMPILE([#include <linux/in.h>], [
1398                 int level = IP_PKTINFO;
1399         ], [
1400                 # Yes, we have it...
1401                 AC_MSG_RESULT(yes)
1402                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1403         ], [
1404                 AC_MSG_RESULT(no)
1405         ])
1406
1407         dnl *****************************
1408         dnl *** Checks for IPV6_PKTINFO ***
1409         dnl *****************************
1410         AC_MSG_CHECKING(for IPV6_PKTINFO)
1411         AC_TRY_COMPILE([#include <netdb.h>], [
1412                 int level = IPV6_PKTINFO;
1413         ], [
1414                 # Yes, we have it...
1415                 AC_MSG_RESULT(yes)
1416                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1417         ], [
1418                 AC_MSG_RESULT(no)
1419         ])
1420
1421         dnl **********************************
1422         dnl *** Checks for IP_DONTFRAG     ***
1423         dnl **********************************
1424         AC_MSG_CHECKING(for IP_DONTFRAG)
1425         AC_TRY_COMPILE([#include <netinet/in.h>], [
1426                 int level = IP_DONTFRAG;
1427         ], [
1428                 # Yes, we have it...
1429                 AC_MSG_RESULT(yes)
1430                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1431         ], [
1432                 AC_MSG_RESULT(no)
1433         ])
1434
1435         dnl **********************************
1436         dnl *** Checks for IP_DONTFRAGMENT ***
1437         dnl **********************************
1438         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1439         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1440                 int level = IP_DONTFRAGMENT;
1441         ], [
1442                 # Yes, we have it...
1443                 AC_MSG_RESULT(yes)
1444                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1445         ], [
1446                 AC_MSG_RESULT(no)
1447         ])
1448
1449         dnl **********************************
1450         dnl *** Checks for IP_MTU_DISCOVER ***
1451         dnl **********************************
1452         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1453         AC_TRY_COMPILE([#include <linux/in.h>], [
1454                 int level = IP_MTU_DISCOVER;
1455         ], [
1456                 # Yes, we have it...
1457                 AC_MSG_RESULT(yes)
1458                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1459         ], [
1460                 AC_MSG_RESULT(no)
1461         ])
1462
1463         dnl **********************************
1464         dnl *** Checks for  IP_PMTUDISC_DO ***
1465         dnl **********************************
1466         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1467         AC_TRY_COMPILE([#include <linux/in.h>], [
1468                 int level = IP_PMTUDISC_DO;
1469         ], [
1470                 # Yes, we have it...
1471                 AC_MSG_RESULT(yes)
1472                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1473         ], [
1474                 AC_MSG_RESULT(no)
1475         ])
1476
1477         dnl *********************************
1478         dnl *** Check for struct ip_mreqn ***
1479         dnl *********************************
1480         AC_MSG_CHECKING(for struct ip_mreqn)
1481         AC_TRY_COMPILE([#include <netinet/in.h>], [
1482                 struct ip_mreqn mreq;
1483                 mreq.imr_address.s_addr = 0;
1484         ], [
1485                 # Yes, we have it...
1486                 AC_MSG_RESULT(yes)
1487                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1488         ], [
1489                 # We'll just have to try and use struct ip_mreq
1490                 AC_MSG_RESULT(no)
1491                 AC_MSG_CHECKING(for struct ip_mreq)
1492                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1493                         struct ip_mreq mreq;
1494                         mreq.imr_interface.s_addr = 0;
1495                 ], [
1496                         # Yes, we have it...
1497                         AC_MSG_RESULT(yes)
1498                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1499                 ], [
1500                         # No multicast support
1501                         AC_MSG_RESULT(no)
1502                 ])
1503         ])
1504         
1505         dnl **********************************
1506         dnl *** Check for gethostbyname2_r ***
1507         dnl **********************************
1508         AC_MSG_CHECKING(for gethostbyname2_r)
1509                 AC_TRY_LINK([#include <netdb.h>], [
1510                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1511         ], [
1512                 # Yes, we have it...
1513                 AC_MSG_RESULT(yes)
1514                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1515         ], [
1516                 AC_MSG_RESULT(no)
1517         ])
1518
1519         dnl *****************************
1520         dnl *** Checks for libnsl     ***
1521         dnl *****************************
1522         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1523
1524         AC_CHECK_FUNCS(inet_pton inet_aton)
1525
1526         dnl ***********************************************
1527         dnl *** Checks for size of sockaddr_un.sun_path ***
1528         dnl ***********************************************
1529         # AC_CHECK_SIZEOF can't cope with struct members :-(
1530         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1531         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1532                 [AC_TRY_RUN([
1533                         #include <sys/types.h>
1534                         #include <stdio.h>
1535                         #include <sys/un.h>
1536
1537                         int main(void) {
1538                                 struct sockaddr_un sock_un;
1539                                 FILE *f=fopen("conftestval", "w");
1540                                 if(!f) exit(1);
1541                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1542                                 exit(0);
1543                         }
1544                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1545                    mono_cv_sizeof_sunpath=0,
1546                    mono_cv_sizeof_sunpath=0)])dnl
1547         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1548         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1549
1550         dnl *****************************
1551         dnl *** Checks for libxnet    ***
1552         dnl *****************************
1553         case "${host}" in
1554                 *solaris* )
1555                         AC_MSG_CHECKING(for Solaris XPG4 support)
1556                         if test -f /usr/lib/libxnet.so; then
1557                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1558                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1559                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1560                                 LIBS="$LIBS -lxnet"
1561                                 AC_MSG_RESULT(yes)
1562                         else
1563                                 AC_MSG_RESULT(no)
1564                         fi
1565
1566                         if test "$GCC" = "yes"; then
1567                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1568                         fi
1569                 ;;
1570         esac
1571
1572         dnl *****************************
1573         dnl *** Checks for libpthread ***
1574         dnl *****************************
1575 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1576 # and libpthread does not exist
1577 #
1578         case "${host}" in
1579                 *-*-*freebsd*)
1580                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1581                 ;;
1582                 *-*-*openbsd*)
1583                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1584                 ;;
1585                 *)
1586                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1587                 ;;
1588         esac
1589         AC_CHECK_HEADERS(pthread.h)
1590         AC_CHECK_HEADERS(pthread_np.h)
1591         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1592         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1593         AC_CHECK_FUNCS(pthread_kill)
1594         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1595         AC_TRY_COMPILE([ #include <pthread.h>], [
1596                 pthread_mutexattr_t attr;
1597                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1598         ], [
1599                 AC_MSG_RESULT(ok)
1600         ], [
1601                 AC_MSG_RESULT(no)
1602                 AC_ERROR(Posix system lacks support for recursive mutexes)
1603         ])
1604         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1605         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1606         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1607
1608         dnl ***********************************
1609         dnl *** Checks for signals
1610         dnl ***********************************
1611         AC_CHECK_HEADERS(signal.h)
1612         AC_CHECK_FUNCS(sigaction)
1613
1614         dnl ***********************************
1615         dnl *** Checks for working __thread ***
1616         dnl ***********************************
1617         AC_MSG_CHECKING(for working __thread)
1618         if test "x$with_tls" != "x__thread"; then
1619                 AC_MSG_RESULT(disabled)
1620         elif test "x$cross_compiling" = "xyes"; then
1621                 AC_MSG_RESULT(cross compiling, assuming yes)
1622         else
1623                 AC_TRY_RUN([
1624                         #if defined(__APPLE__) && defined(__clang__)
1625                         #error "__thread does not currently work with clang on Mac OS X"
1626                         #endif
1627                         
1628                         #include <pthread.h>
1629                         __thread int i;
1630                         static int res1, res2;
1631
1632                         void thread_main (void *arg)
1633                         {
1634                                 i = arg;
1635                                 sleep (1);
1636                                 if (arg == 1)
1637                                         res1 = (i == arg);
1638                                 else
1639                                         res2 = (i == arg);
1640                         }
1641
1642                         int main () {
1643                                 pthread_t t1, t2;
1644
1645                                 i = 5;
1646
1647                                 pthread_create (&t1, NULL, thread_main, 1);
1648                                 pthread_create (&t2, NULL, thread_main, 2);
1649
1650                                 pthread_join (t1, NULL);
1651                                 pthread_join (t2, NULL);
1652
1653                                 return !(res1 + res2 == 2);
1654                         }
1655                 ], [
1656                                 AC_MSG_RESULT(yes)
1657                 ], [
1658                                 AC_MSG_RESULT(no)
1659                                 with_tls=pthread
1660                 ])
1661         fi
1662
1663         dnl **************************************
1664         dnl *** Checks for working sigaltstack ***
1665         dnl **************************************
1666         AC_MSG_CHECKING(for working sigaltstack)
1667         if test "x$with_sigaltstack" != "xyes"; then
1668                 AC_MSG_RESULT(disabled)
1669         elif test "x$cross_compiling" = "xyes"; then
1670                 AC_MSG_RESULT(cross compiling, assuming yes)
1671         else
1672                 AC_TRY_RUN([
1673                         #include <stdio.h>
1674                         #include <stdlib.h>
1675                         #include <unistd.h>
1676                         #include <signal.h>
1677                         #include <pthread.h>
1678                         #include <sys/wait.h>
1679                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1680                         #define SA_STACK SA_ONSTACK
1681                         #endif
1682                         static void
1683                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1684                         {
1685                                 exit (0);
1686                         }
1687
1688                         volatile char*__ptr = NULL;
1689                         static void *
1690                         loop (void *ignored)
1691                         {
1692                                 *__ptr = 0;
1693                                 return NULL;
1694                         }
1695
1696                         static void
1697                         child ()
1698                         {
1699                                 struct sigaction sa;
1700                         #ifdef __APPLE__
1701                                 stack_t sas;
1702                         #else
1703                                 struct sigaltstack sas;
1704                         #endif
1705                                 pthread_t id;
1706                                 pthread_attr_t attr;
1707
1708                                 sa.sa_sigaction = sigsegv_signal_handler;
1709                                 sigemptyset (&sa.sa_mask);
1710                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1711                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1712                                         perror ("sigaction");
1713                                         return;
1714                                 }
1715
1716                                 /* x86 darwin deliver segfaults using SIGBUS */
1717                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1718                                         perror ("sigaction");
1719                                         return;
1720                                 }
1721                                 sas.ss_sp = malloc (SIGSTKSZ);
1722                                 sas.ss_size = SIGSTKSZ;
1723                                 sas.ss_flags = 0;
1724                                 if (sigaltstack (&sas, NULL) == -1) {
1725                                         perror ("sigaltstack");
1726                                         return;
1727                                 }
1728
1729                                 pthread_attr_init (&attr);
1730                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1731                                         printf ("pthread_create\n");
1732                                         return;
1733                                 }
1734
1735                                 sleep (100);
1736                         }
1737
1738                         int
1739                         main ()
1740                         {
1741                                 pid_t son;
1742                                 int status;
1743                                 int i;
1744
1745                                 son = fork ();
1746                                 if (son == -1) {
1747                                         return 1;
1748                                 }
1749
1750                                 if (son == 0) {
1751                                         child ();
1752                                         return 0;
1753                                 }
1754
1755                                 for (i = 0; i < 300; ++i) {
1756                                         waitpid (son, &status, WNOHANG);
1757                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1758                                                 return 0;
1759                                         usleep (10000);
1760                                 }
1761
1762                                 kill (son, SIGKILL);
1763                                 return 1;
1764                         }
1765
1766                 ], [
1767                                 AC_MSG_RESULT(yes)
1768                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1769                 ], [
1770                                 with_sigaltstack=no
1771                                 AC_MSG_RESULT(no)
1772                 ])
1773         fi
1774
1775         dnl ********************************
1776         dnl *** Checks for semaphore lib ***
1777         dnl ********************************
1778         # 'Real Time' functions on Solaris
1779         # posix4 on Solaris 2.6
1780         # pthread (first!) on Linux
1781         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1782
1783         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1784         AC_CHECK_FUNCS(shm_open)
1785
1786         dnl ********************************
1787         dnl *** Checks for timezone stuff **
1788         dnl ********************************
1789         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1790                 AC_TRY_COMPILE([
1791                         #include <time.h>
1792                         ], [
1793                         struct tm tm;
1794                         tm.tm_gmtoff = 1;
1795                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1796         if test $ac_cv_struct_tm_gmtoff = yes; then
1797                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1798         else
1799                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1800                         AC_TRY_COMPILE([
1801                                 #include <time.h>
1802                         ], [
1803                                 timezone = 1;
1804                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1805                 if test $ac_cv_var_timezone = yes; then
1806                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1807                 else
1808                         AC_ERROR(unable to find a way to determine timezone)
1809                 fi
1810         fi
1811
1812         dnl *********************************
1813         dnl *** Checks for math functions ***
1814         dnl *********************************
1815         AC_SEARCH_LIBS(sqrtf, m)
1816         if test "x$has_broken_apple_cpp" != "xyes"; then
1817                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1818                         AC_TRY_LINK([#include <math.h>], 
1819                         [ finite(0.0); ], 
1820                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1821                         AC_MSG_RESULT(no)))
1822         fi
1823         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1824                 AC_TRY_LINK([#include <math.h>], 
1825                 [ isfinite(0.0); ], 
1826                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1827                 AC_MSG_RESULT(no)))
1828
1829         dnl ****************************************************************
1830         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1831         dnl *** have it in the library (duh))                            ***
1832         dnl ****************************************************************
1833         AC_CHECK_FUNCS(poll)
1834
1835         dnl *************************
1836         dnl *** Check for signbit ***
1837         dnl *************************
1838         AC_MSG_CHECKING(for signbit)
1839         AC_TRY_LINK([#include <math.h>], [
1840                 int s = signbit(1.0);
1841         ], [
1842                 AC_MSG_RESULT(yes)
1843                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1844         ], [
1845                 AC_MSG_RESULT(no)
1846         ]) 
1847
1848         dnl **********************************
1849         dnl *** epoll                      ***
1850         dnl **********************************
1851         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1852                 AC_CHECK_HEADERS(sys/epoll.h)
1853                 haveepoll=no
1854                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1855                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1856                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1857                 fi
1858         fi
1859
1860         havekqueue=no
1861
1862         AC_CHECK_HEADERS(sys/event.h)
1863         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1864
1865         dnl **************************************
1866         dnl * Darwin has a race that prevents us from using reliably:
1867         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1868         dnl * Since kqueue is mostly used for scaling large web servers, 
1869         dnl * and very few folks run Mono on large web servers on OSX, falling
1870         dnl * back 
1871         dnl **************************************
1872         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1873                 if test "x$platform_darwin" = "xno"; then
1874                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1875                 fi
1876         fi
1877
1878         dnl ******************************
1879         dnl *** Checks for SIOCGIFCONF ***
1880         dnl ******************************
1881         AC_CHECK_HEADERS(sys/ioctl.h)
1882         AC_CHECK_HEADERS(net/if.h, [], [],
1883            [
1884            #ifdef HAVE_SYS_TYPES_H
1885            # include <sys/types.h>
1886            #endif
1887            #ifdef HAVE_SYS_SOCKET_H
1888            # include <sys/socket.h>
1889            #endif
1890            ])
1891         AC_MSG_CHECKING(for ifreq)
1892         AC_TRY_COMPILE([
1893                 #include <stdio.h>
1894                 #include <sys/ioctl.h>
1895                 #include <net/if.h>
1896                 ], [
1897                 struct ifconf ifc;
1898                 struct ifreq *ifr;
1899                 void *x;
1900                 ifc.ifc_len = 0;
1901                 ifc.ifc_buf = NULL;
1902                 x = (void *) &ifr->ifr_addr;
1903                 ],[
1904                         AC_MSG_RESULT(yes)
1905                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1906                 ], [
1907                         AC_MSG_RESULT(no)
1908                 ])
1909         dnl **********************************
1910         dnl ***     Checks for sin_len     ***
1911         dnl **********************************
1912         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1913         AC_TRY_COMPILE([
1914                 #include <netinet/in.h>
1915                 ], [
1916                 struct sockaddr_in saddr;
1917                 saddr.sin_len = sizeof (saddr);
1918                 ],[
1919                         AC_MSG_RESULT(yes)
1920                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1921                 ], [
1922                         AC_MSG_RESULT(no)
1923                 ])      
1924         dnl **********************************
1925         dnl ***    Checks for sin6_len     ***
1926         dnl **********************************
1927         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1928         AC_TRY_COMPILE([
1929                 #include <netinet/in.h>
1930                 ], [
1931                 struct sockaddr_in6 saddr6;
1932                 saddr6.sin6_len = sizeof (saddr6);
1933                 ],[
1934                         AC_MSG_RESULT(yes)
1935                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1936                 ], [
1937                         AC_MSG_RESULT(no)
1938                 ])
1939         dnl **********************************
1940         dnl *** Check for getifaddrs       ***
1941         dnl **********************************
1942         AC_MSG_CHECKING(for getifaddrs)
1943                 AC_TRY_LINK([
1944                 #include <stdio.h>
1945                 #include <sys/types.h>
1946                 #include <sys/socket.h>
1947                 #include <ifaddrs.h>
1948         ], [
1949                 getifaddrs(NULL);
1950         ], [
1951                 # Yes, we have it...
1952                 AC_MSG_RESULT(yes)
1953                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1954         ], [
1955                 AC_MSG_RESULT(no)
1956         ])
1957         dnl **********************************
1958         dnl *** Check for if_nametoindex   ***
1959         dnl **********************************
1960         AC_MSG_CHECKING(for if_nametoindex)
1961                 AC_TRY_LINK([
1962                 #include <stdio.h>
1963                 #include <sys/types.h>
1964                 #include <sys/socket.h>
1965                 #include <net/if.h>
1966         ], [
1967                 if_nametoindex(NULL);
1968         ], [
1969                 # Yes, we have it...
1970                 AC_MSG_RESULT(yes)
1971                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1972         ], [
1973                 AC_MSG_RESULT(no)
1974         ])
1975                         
1976         dnl **********************************
1977         dnl *** Checks for MonoPosixHelper ***
1978         dnl **********************************
1979         AC_CHECK_HEADERS(checklist.h)
1980         AC_CHECK_HEADERS(pathconf.h)
1981         AC_CHECK_HEADERS(fstab.h)
1982         AC_CHECK_HEADERS(attr/xattr.h)
1983         AC_CHECK_HEADERS(sys/extattr.h)
1984         AC_CHECK_HEADERS(sys/sendfile.h)
1985         AC_CHECK_HEADERS(sys/statvfs.h)
1986         AC_CHECK_HEADERS(sys/statfs.h)
1987         AC_CHECK_HEADERS(sys/vfstab.h)
1988         AC_CHECK_HEADERS(sys/xattr.h)
1989         AC_CHECK_HEADERS(sys/mman.h)
1990         AC_CHECK_HEADERS(sys/param.h)
1991         AC_CHECK_HEADERS(sys/mount.h, [], [],
1992                 [
1993                 #ifdef HAVE_SYS_PARAM_H
1994                 # include <sys/param.h>
1995                 #endif
1996                 ])
1997         AC_CHECK_HEADERS(sys/mount.h)
1998         AC_CHECK_FUNCS(confstr)
1999         AC_CHECK_FUNCS(seekdir telldir)
2000         AC_CHECK_FUNCS(getdomainname)
2001         AC_CHECK_FUNCS(setdomainname)
2002         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2003         AC_CHECK_FUNCS(setgroups)
2004         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2005         AC_CHECK_FUNCS(getfsstat)
2006         AC_CHECK_FUNCS(lutimes futimes)
2007         AC_CHECK_FUNCS(mremap)
2008         AC_CHECK_FUNCS(remap_file_pages)
2009         AC_CHECK_FUNCS(posix_fadvise)
2010         AC_CHECK_FUNCS(posix_fallocate)
2011         AC_CHECK_FUNCS(posix_madvise)
2012         AC_CHECK_FUNCS(vsnprintf)
2013         AC_CHECK_FUNCS(sendfile)
2014         AC_CHECK_FUNCS(gethostid sethostid)
2015         AC_CHECK_FUNCS(sethostname)
2016         AC_CHECK_FUNCS(statfs)
2017         AC_CHECK_FUNCS(fstatfs)
2018         AC_CHECK_FUNCS(statvfs)
2019         AC_CHECK_FUNCS(fstatvfs)
2020         AC_CHECK_FUNCS(stime)
2021         AC_CHECK_FUNCS(strerror_r)
2022         AC_CHECK_FUNCS(ttyname_r)
2023         AC_CHECK_FUNCS(psignal)
2024         AC_CHECK_FUNCS(getlogin_r)
2025         AC_CHECK_FUNCS(lockf)
2026         AC_CHECK_FUNCS(swab)
2027         AC_CHECK_FUNCS(setusershell endusershell)
2028         AC_CHECK_FUNCS(futimens utimensat)
2029         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2030         AC_CHECK_FUNCS(readv writev preadv pwritev)
2031         AC_CHECK_FUNCS(setpgid)
2032         AC_CHECK_SIZEOF(size_t)
2033         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2034                 [#include <sys/types.h>
2035                  #include <sys/stat.h>
2036                  #include <unistd.h>])
2037         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2038                 [#include <sys/types.h>
2039                  #include <sys/stat.h>
2040                  #include <unistd.h>])
2041         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2042                 [#include <sys/time.h>])
2043         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2044                 [#include <unistd.h>
2045                  #include <fcntl.h>])
2046         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2047                 [#include <sys/uio.h>])
2048         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2049                 [#include <sys/poll.h>])
2050         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2051                 [#include <sys/types.h>
2052                  #include <sys/stat.h>
2053                  #include <unistd.h>])
2054         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2055                 [#include <time.h>])
2056         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2057                 [#include <sys/time.h>
2058                  #include <sys/types.h>
2059                  #include <utime.h>])
2060         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2061                 [#include <sys/time.h>])
2062         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2063                 [#include <sys/types.h>
2064                  #include <utime.h>])
2065         AC_CHECK_MEMBERS(
2066                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2067                 [#include <sys/types.h>
2068                  #include <dirent.h>])
2069         AC_CHECK_MEMBERS(
2070                 [struct passwd.pw_gecos],,, 
2071                 [#include <sys/types.h>
2072                  #include <pwd.h>])
2073         AC_CHECK_MEMBERS(
2074                 [struct statfs.f_flags],,, 
2075                 [#include <sys/types.h>
2076                  #include <sys/vfs.h>])
2077         AC_CHECK_MEMBERS(
2078                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2079                 [#include <sys/types.h>
2080                  #include <sys/stat.h>
2081                  #include <unistd.h>])
2082
2083         dnl Favour xattr through glibc, but use libattr if we have to
2084         AC_CHECK_FUNC(lsetxattr, ,
2085                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2086         )
2087         AC_SUBST(XATTR_LIB)
2088
2089         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2090         AC_CHECK_MEMBERS(
2091                 [struct kinfo_proc.kp_proc],,, 
2092                 [#include <sys/types.h>
2093                  #include <sys/param.h>
2094                  #include <sys/sysctl.h>
2095                  #include <sys/proc.h>
2096                  ])
2097
2098         dnl *********************************
2099         dnl *** Checks for Windows compilation ***
2100         dnl *********************************
2101         AC_CHECK_HEADERS(sys/time.h)
2102         AC_CHECK_HEADERS(sys/param.h)
2103         AC_CHECK_HEADERS(dirent.h)
2104
2105         dnl ******************************************
2106         dnl *** Checks for OSX and iOS compilation ***
2107         dnl ******************************************
2108         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2109
2110         dnl *********************************
2111         dnl *** Check for Console 2.0 I/O ***
2112         dnl *********************************
2113         AC_CHECK_HEADERS([curses.h])
2114         AC_CHECK_HEADERS([term.h], [], [],
2115         [#if HAVE_CURSES_H
2116          #include <curses.h>
2117          #endif
2118         ])
2119         AC_CHECK_HEADERS([termios.h])
2120
2121         dnl * This is provided in io-layer, but on windows it's only available
2122         dnl * on xp+
2123         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2124 else
2125         dnl *********************************
2126         dnl *** Checks for Windows compilation ***
2127         dnl *********************************
2128         AC_CHECK_HEADERS(winternl.h)
2129
2130         jdk_headers_found=no
2131         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2132         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2133         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2134         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2135         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2136         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2137         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2138
2139         dnl *********************************
2140         dnl *** Check for struct ip_mreqn ***
2141         dnl *********************************
2142         AC_MSG_CHECKING(for struct ip_mreqn)
2143         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2144                 struct ip_mreqn mreq;
2145                 mreq.imr_address.s_addr = 0;
2146         ], [
2147                 # Yes, we have it...
2148                 AC_MSG_RESULT(yes)
2149                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2150         ], [
2151                 # We'll just have to try and use struct ip_mreq
2152                 AC_MSG_RESULT(no)
2153                 AC_MSG_CHECKING(for struct ip_mreq)
2154                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2155                         struct ip_mreq mreq;
2156                         mreq.imr_interface.s_addr = 0;
2157                 ], [
2158                         # Yes, we have it...
2159                         AC_MSG_RESULT(yes)
2160                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2161                 ], [
2162                         # No multicast support
2163                         AC_MSG_RESULT(no)
2164                 ])
2165         ])
2166         AC_CHECK_FUNCS(GetProcessId)
2167         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2168         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2169         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2170         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2171         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2172         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2173         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2174 fi
2175
2176 dnl socklen_t check
2177 AC_MSG_CHECKING(for socklen_t)
2178 AC_TRY_COMPILE([
2179 #include <sys/types.h>
2180 #include <sys/socket.h>
2181 ],[
2182   socklen_t foo;
2183 ],[
2184 ac_cv_c_socklen_t=yes
2185         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2186         AC_MSG_RESULT(yes)
2187 ],[
2188         AC_MSG_RESULT(no)
2189 ])
2190
2191 AC_MSG_CHECKING(for array element initializer support)
2192 AC_TRY_COMPILE([#include <sys/socket.h>], [
2193         const int array[] = {[1] = 2,};
2194 ], [
2195         # Yes, we have it...
2196         AC_MSG_RESULT(yes)
2197         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2198 ], [
2199         # We'll have to use signals
2200         AC_MSG_RESULT(no)
2201 ])
2202
2203 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2204         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2205         AC_TRY_LINK([#include <math.h>], 
2206         [ static void *p = &trunc; ],
2207         [
2208                 AC_DEFINE(HAVE_TRUNC) 
2209                 AC_MSG_RESULT(yes)
2210                 ac_cv_trunc=yes
2211         ],
2212         AC_MSG_RESULT(no)))
2213
2214 if test "x$ac_cv_truncl" != "xyes"; then
2215    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2216 fi
2217
2218 AC_CHECK_FUNCS(round)
2219 AC_CHECK_FUNCS(rint)
2220 AC_CHECK_FUNCS(execvp)
2221
2222 dnl ****************************
2223 dnl *** Look for /dev/random ***
2224 dnl ****************************
2225
2226 AC_MSG_CHECKING([if usage of random device is requested])
2227 AC_ARG_ENABLE(dev-random,
2228 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2229 try_dev_random=$enableval, try_dev_random=yes)
2230
2231 AC_MSG_RESULT($try_dev_random)
2232
2233 case "{$build}" in
2234     *-openbsd*)
2235     NAME_DEV_RANDOM="/dev/srandom"
2236     ;;
2237
2238 dnl Win32 does not have /dev/random, they have their own method...
2239
2240     *-mingw*|*-*-cygwin*)
2241     ac_cv_have_dev_random=no
2242     ;;
2243
2244 dnl Everywhere else, it's /dev/random
2245
2246     *)
2247     NAME_DEV_RANDOM="/dev/random"
2248     ;;
2249 esac
2250
2251 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2252
2253 dnl Now check if the device actually exists
2254
2255 if test "x$try_dev_random" = "xyes"; then
2256     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2257     [if test -r "$NAME_DEV_RANDOM" ; then
2258         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2259     if test "x$ac_cv_have_dev_random" = "xyes"; then
2260         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2261     fi
2262 else
2263     AC_MSG_CHECKING(for random device)
2264     ac_cv_have_dev_random=no
2265     AC_MSG_RESULT(has been disabled)
2266 fi
2267
2268 if test "x$host_win32" = "xyes"; then
2269     AC_DEFINE(HAVE_CRYPT_RNG)
2270 fi
2271
2272 if test "x$ac_cv_have_dev_random" = "xno" \
2273     && test "x$host_win32" = "xno"; then
2274     AC_MSG_WARN([[
2275 ***
2276 *** A system-provided entropy source was not found on this system.
2277 *** Because of this, the System.Security.Cryptography random number generator
2278 *** will throw a NotImplemented exception.
2279 ***
2280 *** If you are seeing this message, and you know your system DOES have an
2281 *** entropy collection in place, please contact <crichton@gimp.org> and
2282 *** provide information about the system and how to access the random device.
2283 ***
2284 *** Otherwise you can install either egd or prngd and set the environment
2285 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2286 ***]])
2287 fi
2288  
2289 AC_MSG_CHECKING([if inter-process shared handles are requested])
2290 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2291 AC_MSG_RESULT($try_shared_handles)
2292 if test "x$try_shared_handles" != "xyes"; then
2293         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2294         AC_SUBST(DISABLE_SHARED_HANDLES)
2295 fi
2296
2297 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2298
2299 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2300 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2301
2302 AC_MSG_CHECKING([if big-arrays are to be enabled])
2303 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2304 if test "x$enable_big_arrays" = "xyes" ; then
2305     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2306         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2307     else
2308         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2309     fi
2310 fi
2311 AC_MSG_RESULT($enable_big_arrays)
2312
2313 dnl **************
2314 dnl *** DTRACE ***
2315 dnl **************
2316
2317 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2318
2319 if test "x$enable_dtrace" = "xyes"; then
2320    if test "x$has_dtrace" = "xno"; then
2321           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2322    fi
2323    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2324    if test "x$DTRACE" = "xno"; then
2325           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2326           enable_dtrace=no
2327    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2328           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2329           enable_dtrace=no
2330    fi
2331 fi
2332
2333 dtrace_g=no
2334 if test "x$enable_dtrace" = "xyes"; then
2335         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2336         DTRACEFLAGS=
2337         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2338                 case "$host" in
2339                         powerpc-*-darwin*)
2340                         DTRACEFLAGS="-arch ppc64"
2341                         ;;
2342                         i*86-*-darwin*)
2343                         DTRACEFLAGS="-arch x86_64"
2344                         ;;
2345                         *)
2346                         DTRACEFLAGS=-64
2347                         ;;
2348                 esac
2349         else
2350                 case "$host" in
2351                         powerpc-*-darwin*)
2352                         DTRACEFLAGS="-arch ppc"
2353                         ;;
2354                         i*86-*-darwin*)
2355                         DTRACEFLAGS="-arch i386"
2356                         ;;
2357                         *)
2358                         DTRACEFLAGS=-32
2359                         ;;
2360                 esac
2361         fi
2362         AC_SUBST(DTRACEFLAGS)
2363         case "$host" in
2364                 *-*-solaris*)
2365                 dtrace_g=yes
2366                 ;;
2367         esac
2368         AC_CHECK_HEADERS([sys/sdt.h])
2369 fi
2370 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2371 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2372
2373 dnl **************
2374 dnl ***  NaCl  ***
2375 dnl **************
2376
2377 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2378 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2379
2380 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2381
2382 dnl
2383 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2384 dnl
2385 nacl_self_host=""
2386 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2387    nacl_self_host="nacl_self_host"
2388 fi
2389 AC_SUBST(nacl_self_host)
2390
2391 if test "x$enable_nacl_codegen" = "xyes"; then
2392    MONO_NACL_ALIGN_MASK_OFF=1
2393    AC_DEFINE(TARGET_NACL, 1, [...])
2394    AC_DEFINE(__native_client_codegen__, 1, [...])
2395 else
2396    MONO_NACL_ALIGN_MASK_OFF=0
2397    AC_DEFINE(__default_codegen__, 1, [...])
2398 fi
2399 if test "x$enable_nacl_gc" = "xyes"; then
2400    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2401       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2402    else
2403       # Not yet implemented
2404       INSTRUMENT_CFLAG=""
2405    fi
2406    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2407 fi
2408 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2409
2410 dnl **************
2411 dnl ***  LLVM  ***
2412 dnl **************
2413
2414 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2415 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2416 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2417
2418 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2419
2420 if test "x$enable_llvm" = "xyes"; then
2421    if test "x$with_llvm" != "x"; then
2422           LLVM_CONFIG=$with_llvm/bin/llvm-config
2423           if test ! -x $LLVM_CONFIG; then
2424                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2425       fi
2426    else
2427       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2428       if test "x$LLVM_CONFIG" = "xno"; then
2429              AC_MSG_ERROR([llvm-config not found.])
2430       fi
2431    fi
2432
2433    llvm_codegen="x86codegen"
2434    case "$target" in
2435    arm*)
2436                 llvm_codegen="armcodegen"
2437                 ;;
2438    esac
2439
2440    # The output of --cflags seems to include optimizations flags too
2441    LLVM_CFLAGS=`$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'`
2442    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2443    # from LLVM classes.
2444    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2445    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2446    # This might include empty lines
2447    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2448    if test "x$host" != "x$target"; then
2449       # No need for jit libs
2450       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2451    else
2452       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2453    fi
2454    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS -lstdc++"
2455
2456    expected_llvm_version="3.4svn-mono-mono/e656cac"
2457
2458    # Should be something like '2.6' or '2.7svn'
2459    llvm_version=`$LLVM_CONFIG --version`
2460    major_version=`echo $llvm_version | cut -c 1`
2461    minor_version=`echo $llvm_version | cut -c 3`
2462    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2463    AC_MSG_CHECKING(LLVM version)
2464    AC_MSG_RESULT($llvm_version)
2465    if echo $llvm_version | grep -q 'mono'; then
2466           if test "x$enable_llvm_version_check" == "xyes"; then
2467                  if test "$llvm_version" != "$expected_llvm_version"; then
2468                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2469                  fi
2470           fi
2471           if test "x$llvm_api_version" = "x"; then
2472                 LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2473                 LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2474           else
2475                 LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2476                 LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2477           fi
2478    else
2479           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.])
2480    fi
2481
2482    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2483    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2484    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2485
2486    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2487    # llvm's config.h
2488    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2489
2490    AC_SUBST(LLVM_CFLAGS)
2491    AC_SUBST(LLVM_CXXFLAGS)
2492    AC_SUBST(LLVM_LIBS)
2493    AC_SUBST(LLVM_LDFLAGS)
2494    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2495 fi
2496
2497 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2498 if test "x$enable_loadedllvm" = "xyes"; then
2499    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2500 fi
2501 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2502
2503 TARGET="unknown"
2504 ACCESS_UNALIGNED="yes"
2505
2506 JIT_SUPPORTED=no
2507 INTERP_SUPPORTED=no
2508 LIBC="libc.so.6"
2509 INTL="libc.so.6"
2510 SQLITE="libsqlite.so.0"
2511 SQLITE3="libsqlite3.so.0"
2512 X11="libX11.so"
2513 XINERAMA="libXinerama.so"
2514
2515 sizeof_register="SIZEOF_VOID_P"
2516
2517 jit_wanted=true
2518 interp_wanted=false
2519 sgen_supported=false
2520 boehm_supported=true
2521 case "$host" in
2522         mips*)
2523                 TARGET=MIPS;
2524                 arch_target=mips;
2525                 sgen_supported=true
2526                 ACCESS_UNALIGNED="no"
2527                 JIT_SUPPORTED=yes
2528
2529                 AC_MSG_CHECKING(for mips n32)
2530                 AC_TRY_COMPILE([],[
2531                 #if _MIPS_SIM != _ABIN32
2532                 #error Not mips n32
2533                 #endif
2534                 return 0;
2535                 ],[
2536                 AC_MSG_RESULT(yes)
2537                 sizeof_register=8
2538                 ],[
2539                 AC_MSG_RESULT(no)
2540                 ])
2541                 ;;
2542         i*86-*-*)
2543                 TARGET=X86;
2544                 arch_target=x86;
2545                 JIT_SUPPORTED=yes
2546                 case $host_os in
2547                   solaris*)
2548                         LIBC="libc.so"
2549                         INTL="libintl.so"
2550                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2551                                 TARGET=AMD64
2552                                 arch_target=amd64
2553                         fi
2554
2555                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2556                         # int astruct __attribute__ ((visibility ("hidden")));
2557                         # void foo ()
2558                         # {
2559                         #       void *p = &astruct;
2560                         # }
2561                         # gcc -fPIC --shared -o libfoo.so foo.c
2562                         # yields:
2563                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2564                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2565                         have_visibility_hidden=no
2566                         sgen_supported=true
2567                         ;;
2568                   mingw*|cygwin*)
2569                         sgen_supported=true
2570                         have_visibility_hidden=no                 
2571                         ;;
2572                   haiku*)
2573                         LIBC=libroot.so
2574                         ;;
2575                   linux*)
2576                         sgen_supported=true
2577                         AOT_SUPPORTED="yes"
2578                         ;;
2579                   darwin*)
2580                         sgen_supported=true
2581                         AOT_SUPPORTED="yes"
2582                         ;;
2583                   darwin*|openbsd*|freebsd*)
2584                         sgen_supported=true
2585                         ;;
2586                 esac
2587                 ;;
2588         x86_64-*-* | amd64-*-*)
2589                 TARGET=AMD64;
2590                 arch_target=amd64;
2591                 JIT_SUPPORTED=yes
2592                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2593                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2594                         sizeof_register=8
2595                 fi
2596                 case $host_os in
2597                   linux*)
2598                         sgen_supported=true
2599                         AOT_SUPPORTED="yes"
2600                         ;;
2601                   darwin*|openbsd*|freebsd*)
2602                         sgen_supported=true
2603                         ;;
2604                 esac
2605                 case "$host" in
2606                         x86_64-*-nacl*)
2607                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2608                                 sizeof_register=8
2609                                 ;;
2610                 esac
2611                 ;;
2612         ia64-*-*)
2613                 TARGET=IA64
2614                 arch_target=ia64
2615                 ACCESS_UNALIGNED="no"
2616                 JIT_SUPPORTED=yes
2617                 LIBC="libc.so.6.1"
2618                 INTL="libc.so.6.1"
2619                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2620                 libmono_ldflags="-lunwind"
2621                 ;;
2622         sparc*-*-*)
2623                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2624                    TARGET=SPARC64
2625                 else
2626                         TARGET=SPARC
2627                 fi
2628                 arch_target=sparc;
2629                 JIT_SUPPORTED=yes
2630                 ACCESS_UNALIGNED="no"
2631                 case $host_os in
2632                   linux*) ;;
2633                   *)
2634                         LIBC="libc.so"
2635                         INTL="libintl.so"
2636                 esac
2637                 if test x"$GCC" = xyes; then
2638                         # We don't support v8 cpus
2639                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2640                 fi
2641                 if test x"$AR" = xfalse; then
2642                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2643                 fi
2644                 sgen_supported=true
2645                 ;;
2646         *-mingw*|*-*-cygwin*)
2647                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2648                 have_visibility_hidden=no
2649                 INTL="intl"
2650                 ;;
2651         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2652         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2653                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2654                         TARGET=POWERPC64;
2655                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2656                         CFLAGS="$CFLAGS -mminimal-toc"
2657                 else
2658                         TARGET=POWERPC;
2659                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2660                 fi
2661                 arch_target=ppc;
2662                 JIT_SUPPORTED=yes
2663                 case $host_os in
2664                   linux*|darwin*)
2665                         sgen_supported=true
2666                         ;;
2667                 esac
2668                 ;;
2669         arm*-darwin*)
2670                 TARGET=ARM;
2671                 arch_target=arm;
2672                 ACCESS_UNALIGNED="no"
2673                 JIT_SUPPORTED=yes
2674                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2675                 # libgc's gc_locks.h depends on this
2676             CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC"
2677                 sgen_supported=true
2678                 ;;
2679         arm*-linux*)
2680                 TARGET=ARM;
2681                 arch_target=arm;
2682                 ACCESS_UNALIGNED="no"
2683                 JIT_SUPPORTED=yes
2684                 sgen_supported=true
2685                 AOT_SUPPORTED="yes"
2686                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2687                 ;;
2688 # TODO: make proper support for NaCl host.
2689 #        arm*-*nacl)
2690 #               TARGET=ARM;
2691 #               arch_target=arm;
2692 #               ACCESS_UNALIGNED="no"
2693 #               JIT_SUPPORTED=yes
2694 #               sgen_supported=true
2695 #               AOT_SUPPORTED="no"
2696 #               ;;
2697         aarch64-*)
2698                 # https://lkml.org/lkml/2012/7/15/133
2699                 TARGET=ARM64
2700                 arch_target=arm64
2701                 JIT_SUPPORTED=yes
2702                 sgen_supported=true
2703                 boehm_supported=false
2704                 ;;
2705         s390x-*-linux*)
2706                 TARGET=S390X;
2707                 arch_target=s390x;
2708                 ACCESS_UNALIGNED="yes"
2709                 JIT_SUPPORTED=yes
2710                 sgen_supported=true
2711                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2712                 ;;
2713 esac
2714
2715 HOST=$TARGET
2716
2717 if test "x$host" != "x$target"; then
2718    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2719    enable_mcs_build=no
2720    case "$target" in
2721    arm*-darwin*)
2722                 TARGET=ARM;
2723                 arch_target=arm;
2724                 ACCESS_UNALIGNED="no"
2725                 JIT_SUPPORTED=yes
2726                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2727                 jit_wanted=true
2728                 # Can't use tls, since it depends on the runtime detection of tls offsets
2729                 # in mono-compiler.h
2730                 with_tls=pthread
2731                 ;;
2732    powerpc64-ps3-linux-gnu)
2733                 TARGET=POWERPC64
2734                 arch_target=powerpc64
2735                 AC_DEFINE(TARGET_PS3, 1, [...])
2736                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2737                 # uses this define
2738                 AC_DEFINE(__mono_ppc64__, 1, [...])
2739                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2740                 sizeof_register=8
2741                 target_byte_order=G_BIG_ENDIAN
2742                 ;;
2743
2744    powerpc64-xbox360-linux-gnu)
2745                 TARGET=POWERPC64
2746                 arch_target=powerpc64
2747                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2748                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2749                 # uses this define
2750                 sizeof_register=8
2751                 target_byte_order=G_BIG_ENDIAN
2752                 ;;
2753    x86_64-*-nacl)
2754                 TARGET=AMD64
2755                 arch_target=amd64
2756                 AC_DEFINE(TARGET_AMD64, 1, [...])
2757                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2758                 sizeof_register=8
2759                 ;;
2760 # TODO: make proper support for NaCl target.
2761 #   arm*-*nacl)
2762 #               TARGET=ARM
2763 #               arch_target=arm
2764 #               AC_DEFINE(TARGET_ARM, 1, [...])
2765 #               ACCESS_UNALIGNED="no"
2766 #               JIT_SUPPORTED=yes
2767 #               sizeof_register=4
2768 #               CPPFLAGS="$CPPFLAGS \
2769 #                    -D__ARM_EABI__ \
2770 #                    -D__arm__ \
2771 #                    -D__portable_native_client__ \
2772 #                    -Dtimezone=_timezone \
2773 #                    -DDISABLE_SOCKETS \
2774 #                    -DDISABLE_ATTACH \
2775 #                    -DUSE_NEWLIB"
2776 #               jit_wanted=true
2777                 # Can't use tls, since it depends on the runtime detection of tls offsets
2778                 # in mono-compiler.h
2779 #               with_tls=pthread
2780 #               ;;
2781    i686-*-nacl)
2782                 TARGET=X86
2783                 arch_target=x86
2784                 AC_DEFINE(TARGET_X86, 1, [...])
2785                 sizeof_register=4
2786                 ;;
2787    arm*-linux-*)
2788                 TARGET=ARM;
2789                 arch_target=arm;
2790                 AC_DEFINE(TARGET_ARM, 1, [...])
2791                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2792                 ACCESS_UNALIGNED="no"
2793                 JIT_SUPPORTED=yes
2794                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2795                 jit_wanted=true
2796                 # Can't use tls, since it depends on the runtime detection of tls offsets
2797                 # in mono-compiler.h
2798                 with_tls=pthread
2799                 target_mach=no
2800                 case "$target" in
2801                 armv7l-unknown-linux-gnueabi*)
2802                         # TEGRA
2803                         CPPFLAGS="$CPPFLAGS"
2804                         ;;
2805                 armv5-*-linux-androideabi*)
2806                         CPPFLAGS="$CPPFLAGS"
2807                         ;;
2808                 esac
2809                 ;;
2810         aarch64-*)
2811                 TARGET=ARM64
2812                 JIT_SUPPORTED=yes
2813                 jit_wanted=true
2814                 ;;
2815         *)
2816                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2817         esac
2818 fi
2819
2820 case "$TARGET" in
2821 X86)
2822         AC_DEFINE(TARGET_X86, 1, [...])
2823         ;;
2824 AMD64)
2825         AC_DEFINE(TARGET_AMD64, 1, [...])
2826         ;;
2827 ARM)
2828         AC_DEFINE(TARGET_ARM, 1, [...])
2829         ;;
2830 ARM64)
2831         AC_DEFINE(TARGET_ARM64, 1, [...])
2832         ;;
2833 POWERPC)
2834         AC_DEFINE(TARGET_POWERPC, 1, [...])
2835         ;;
2836 POWERPC64)
2837         AC_DEFINE(TARGET_POWERPC, 1, [...])
2838         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2839         ;;
2840 S390X)
2841         AC_DEFINE(TARGET_S390X, 1, [...])
2842         ;;
2843 MIPS)
2844         AC_DEFINE(TARGET_MIPS, 1, [...])
2845         ;;
2846 IA64)
2847         AC_DEFINE(TARGET_IA64, 1, [...])
2848         ;;
2849 SPARC)
2850         AC_DEFINE(TARGET_SPARC, 1, [...])
2851         ;;
2852 SPARC64)
2853         AC_DEFINE(TARGET_SPARC64, 1, [...])
2854         ;;
2855 esac
2856
2857 dnl Use GCC atomic ops if they work on the target.
2858 if test x$GCC = "xyes"; then
2859         case $TARGET in
2860         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
2861                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
2862                 ;;
2863         esac
2864 fi
2865
2866 if test "x$target_mach" = "xyes"; then
2867    if test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
2868           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2869           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2870           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2871    else
2872        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2873        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2874        #error fail this for ios
2875        #endif
2876        return 0;
2877        ], [
2878                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2879           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2880           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2881        ], [
2882           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2883           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2884           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2885        ])
2886         fi
2887    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2888 fi
2889
2890 if test "x$sizeof_register" = "x4"; then
2891    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2892 elif test "x$sizeof_register" = "x8"; then
2893    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2894 else
2895    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2896 fi
2897
2898 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2899    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2900 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2901    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2902 else
2903    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2904 fi
2905
2906 if test "x$have_visibility_hidden" = "xyes"; then
2907    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2908 fi
2909
2910 if test "x$have_deprecated" = "xyes"; then
2911    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2912 fi
2913
2914 dnl 
2915 dnl Simple Generational checks (sgen)
2916 dnl
2917 if $sgen_supported; then
2918    build_sgen_default=yes
2919 else
2920    build_sgen_default=no
2921 fi
2922 SGEN_DEFINES=
2923 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2924 if test x$buildsgen = xyes; then
2925    if $sgen_supported; then
2926        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2927        gc_msg="sgen and $gc_msg"
2928    else
2929        buildsgen=no
2930        AC_MSG_WARN("Sgen is not supported on this platform")
2931    fi
2932 fi
2933 AC_SUBST(SGEN_DEFINES)
2934 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2935
2936 USEJIT=false
2937 if test x$JIT_SUPPORTED = xyes; then
2938    if $jit_wanted; then
2939       USEJIT=true
2940       jit_status="Building and using the JIT"
2941    else
2942       if $interp_wanted; then
2943          jit_status="Building the JIT, defaulting to the interpreter"
2944       else
2945          AC_ERROR(No JIT or interpreter support available or selected.)
2946       fi
2947    fi
2948 else
2949    if test x$interp_wanted = xtrue; then
2950       jit_status="interpreter"
2951    else
2952       AC_ERROR(No JIT or interpreter support available or selected.)
2953    fi
2954 fi
2955
2956 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2957
2958 libsuffix=".so"
2959
2960 case "$host" in
2961      *-*-darwin*)
2962         libsuffix=".dylib"
2963         LIBC="libc.dylib"
2964         INTL="libintl.dylib"
2965         SQLITE="libsqlite.0.dylib"
2966         SQLITE3="libsqlite3.0.dylib"
2967         X11="libX11.dylib"
2968         ;;
2969      *-*-*netbsd*)
2970         LIBC="libc.so.12"
2971         INTL="libintl.so.0"
2972         ;;
2973     *-*-*freebsd*)
2974         LIBC="libc.so"
2975         INTL="libintl.so"
2976         SQLITE="libsqlite.so"
2977         SQLITE3="libsqlite3.so"
2978         ;;
2979     *-*-*openbsd*)
2980         LIBC="libc.so"
2981         INTL="libintl.so"
2982         SQLITE="libsqlite.so"
2983         SQLITE3="libsqlite3.so"
2984         ;;
2985     *-*-*linux*)
2986         AC_PATH_X
2987         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
2988         AC_MSG_CHECKING(for the soname of libX11.so)
2989         for i in $x_libraries $dlsearch_path; do
2990                 for r in 4 5 6; do
2991                         if test -f $i/libX11.so.$r; then
2992                                 X11=libX11.so.$r
2993                                 AC_MSG_RESULT($X11)
2994                         fi
2995                 done
2996         done
2997         
2998         if test "x$X11" = "xlibX11.so"; then
2999                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
3000                 X11=libX11.so.6
3001         fi
3002         AC_MSG_CHECKING(for the soname of libXinerama.so)
3003         for i in $x_libraries $dlsearch_path; do
3004                 for r in 1 2 3; do
3005                         if test -f $i/libXinerama.so.$r; then
3006                                 XINERAMA=libXinerama.so.$r
3007                                 AC_MSG_RESULT($XINERAMA)
3008                         fi
3009                 done
3010         done
3011         if test "x$XINERAMA" = "xlibXinerama.so"; then
3012                 AC_MSG_WARN([Could not find Xinerama development libs. Support for multiple monitors might not work...]);
3013         fi
3014         ;;
3015 esac
3016
3017
3018 AC_SUBST(libsuffix)
3019
3020 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
3021         if test "x$with_tls" = "x__thread"; then
3022                 #
3023                 # On some linux distributions, TLS works in executables, but linking 
3024                 # against a shared library containing TLS fails with:
3025                 # undefined reference to `__tls_get_addr'
3026                 #
3027                 rm -f conftest.c conftest.so conftest
3028                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
3029                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
3030                 $CC -o conftest conftest.so > /dev/null 2>&1
3031                 if test ! -f conftest; then
3032                    AC_MSG_WARN([Disabling usage of __thread.]);
3033                    with_tls=pthread
3034                 fi
3035                 rm -f conftest.c conftest.so conftest
3036         fi
3037 fi
3038
3039 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3040 if test "x$icall_symbol_map" = "xyes"; then
3041    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3042 fi
3043
3044 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3045 if test "x$icall_export" = "xyes"; then
3046    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3047 fi
3048
3049 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3050 if test "x$icall_tables" = "xno"; then
3051    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3052 fi
3053
3054 if test "x$with_tls" = "x__thread"; then
3055         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3056         # Pass the information to libgc
3057         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3058         AC_MSG_CHECKING(if the tls_model attribute is supported)
3059         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3060                 ], [
3061                         AC_MSG_RESULT(yes)
3062                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3063                 ], [
3064                         AC_MSG_RESULT(no)
3065         ])
3066 fi
3067
3068 if test ${TARGET} = ARM; then
3069         dnl ******************************************
3070         dnl *** Check to see what FPU is available ***
3071         dnl ******************************************
3072         AC_MSG_CHECKING(which FPU to use)
3073
3074         #
3075         # This is a bit tricky:
3076         #
3077         # if (__ARM_PCS_VFP) {
3078         #       /* mfloat-abi=hard == VFP with hard ABI */
3079         # } elif (!__SOFTFP__) {
3080         #       /* mfloat-abi=softfp == VFP with soft ABI */
3081         # } else {
3082         #       /* mfloat-abi=soft == no VFP */
3083         # }
3084         #
3085         # The exception is iOS (w/ GCC) where none of the above
3086         # are defined (but iOS always uses the 'softfp' ABI).
3087         #
3088         # No support for FPA.
3089         #
3090
3091         fpu=NONE
3092
3093         # iOS GCC always uses the 'softfp' ABI.
3094         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3095                 fpu=VFP
3096         fi
3097
3098         # Are we using the 'hard' ABI?
3099         if test x$fpu = xNONE; then
3100                 AC_TRY_COMPILE([], [
3101                         #ifndef __ARM_PCS_VFP
3102                         #error "Float ABI is not 'hard'"
3103                         #endif
3104                         return 0;
3105                 ], [
3106                         fpu=VFP_HARD
3107                 ], [
3108                         fpu=NONE
3109                 ])
3110         fi
3111
3112         # No 'hard' ABI. 'soft' or 'softfp'?
3113         if test x$fpu = xNONE; then
3114                 AC_TRY_COMPILE([], [
3115                         #ifdef __SOFTFP__
3116                         #error "Float ABI is not 'softfp'"
3117                         #endif
3118                         return 0;
3119                 ], [
3120                         fpu=VFP
3121                 ], [
3122                         fpu=NONE
3123                 ])
3124         fi
3125
3126         AC_MSG_RESULT($fpu)
3127         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3128         unset fpu
3129
3130         dnl *********************************************
3131         dnl *** Check which ARM version(s) we can use ***
3132         dnl *********************************************
3133         AC_MSG_CHECKING(which ARM version to use)
3134
3135         AC_TRY_COMPILE([], [
3136                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3137                 #error Not on ARM v5.
3138                 #endif
3139                 return 0;
3140         ], [
3141                 arm_v5=yes
3142
3143                 arm_ver=ARMv5
3144         ], [])
3145
3146         AC_TRY_COMPILE([], [
3147                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3148                 #error Not on ARM v6.
3149                 #endif
3150                 return 0;
3151         ], [
3152                 arm_v5=yes
3153                 arm_v6=yes
3154
3155                 arm_ver=ARMv6
3156         ], [])
3157
3158         AC_TRY_COMPILE([], [
3159                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3160                 #error Not on ARM v7.
3161                 #endif
3162                 return 0;
3163         ], [
3164                 arm_v5=yes
3165                 arm_v6=yes
3166                 arm_v7=yes
3167
3168                 arm_ver=ARMv7
3169         ], [])
3170
3171         AC_MSG_RESULT($arm_ver)
3172
3173         if test x$arm_v5 = xyes; then
3174                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3175                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3176         fi
3177
3178         if test x$arm_v6 = xyes; then
3179                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3180                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3181         fi
3182
3183         if test x$arm_v7 = xyes; then
3184                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3185                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3186         fi
3187 fi
3188
3189 if test ${TARGET} = ARM; then
3190         if test "x${with_jumptables}" = "xyes"; then
3191                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3192         fi
3193 fi
3194
3195 if test ${TARGET} = unknown; then
3196         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3197         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3198 fi
3199
3200 if test ${ACCESS_UNALIGNED} = no; then
3201         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3202 fi
3203
3204 case "x$gc" in
3205         xincluded)
3206                 # Pass CPPFLAGS to libgc configure
3207                 # We should use a separate variable for this to avoid passing useless and
3208                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3209                 # This should be executed late so we pick up the final version of CPPFLAGS
3210                 # The problem with this approach, is that during a reconfigure, the main
3211                 # configure scripts gets invoked with these arguments, so we use separate
3212                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3213                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3214                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3215                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3216                 fi
3217                 # Don't pass -finstrument-for-thread-suspension in, 
3218                 # if these are instrumented it will be very bad news 
3219                 # (infinite recursion, undefined parking behavior, etc)
3220                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3221                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3222                 AC_CONFIG_SUBDIRS(libgc)
3223                 ;;
3224 esac
3225
3226 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
3227 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
3228 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
3229 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3230 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3231 AC_ARG_WITH(xammac,    [  --with-xammac=yes,no,only       If you want to build the Xamarin.Mac assemblies (defaults to no)],   [], [with_xammac=no])
3232
3233 OPROFILE=no
3234 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3235         if test x$with_oprofile != xno; then
3236             oprofile_include=$with_oprofile/include
3237             if test ! -f $oprofile_include/opagent.h; then
3238                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3239                 fi
3240             OPROFILE=yes
3241                 OPROFILE_CFLAGS="-I$oprofile_include"
3242             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3243             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3244         fi
3245 ])
3246
3247 MALLOC_MEMPOOLS=no
3248 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3249         if test x$with_malloc_mempools = xyes; then
3250                 MALLOC_MEMPOOLS=yes
3251                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3252         fi
3253 ])
3254
3255
3256 DISABLE_MCS_DOCS=no
3257 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3258         if test x$with_mcs_docs != xyes; then
3259                 DISABLE_MCS_DOCS=yes
3260         fi
3261 ])
3262 if test x$with_profile4 != xyes; then
3263         DISABLE_MCS_DOCS=yes
3264 fi
3265
3266 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)],[
3267         if test x$with_lazy_gc_thread_creation != xno ; then
3268                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3269         fi
3270 ], [with_lazy_gc_thread_creation=no])
3271
3272 AC_CHECK_HEADER([malloc.h], 
3273                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3274                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3275
3276 if test x"$GCC" = xyes; then
3277         # Implicit function declarations are not 64 bit safe
3278         # Do this late, since this causes lots of configure tests to fail
3279         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3280         # jay has a lot of implicit declarations
3281         JAY_CFLAGS="-Wno-implicit-function-declaration"
3282 fi
3283
3284 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3285 # instead of libmono-static.a
3286 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3287    LIBMONO_LA=libmini-static.la
3288 else
3289    if test x$buildsgen = xyes; then
3290       LIBMONO_LA=libmonosgen-$API_VER.la
3291    else
3292       LIBMONO_LA=libmonoboehm-$API_VER.la
3293    fi
3294 fi
3295 AC_SUBST(LIBMONO_LA)
3296
3297 dnl
3298 dnl Consistency settings
3299 dnl
3300 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3301    DISABLE_MCS_DOCS=yes
3302    with_profile2=no
3303    with_profile4=no
3304    with_profile4_5=no
3305    with_monodroid=no
3306    with_monotouch=no
3307    with_xammac=no
3308 fi
3309
3310 if test x$DISABLE_MCS_DOCS = xyes; then
3311    docs_dir=""
3312 else
3313    docs_dir=docs
3314 fi
3315 AC_SUBST(docs_dir)
3316
3317 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3318 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3319
3320 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3321 AC_SUBST(OPROFILE_CFLAGS)
3322 AC_SUBST(OPROFILE_LIBS)
3323
3324 libmono_ldflags="$libmono_ldflags $LIBS"
3325
3326 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3327 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3328 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3329 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3330 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3331 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3332 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3333 AM_CONDITIONAL(ONLY_XAMMAC, [test "x$with_xammac" = "xonly"])
3334
3335 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3336 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3337 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3338 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3339 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3340 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3341 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3342 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3343 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3344 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3345 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3346 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3347 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3348 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3349 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3350 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3351 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3352 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3353
3354 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3355 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3356 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3357
3358 AC_SUBST(LIBC)
3359 AC_SUBST(INTL)
3360 AC_SUBST(SQLITE)
3361 AC_SUBST(SQLITE3)
3362 AC_SUBST(X11)
3363 AC_SUBST(XINERAMA)
3364 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3365 AC_SUBST(arch_target)
3366 AC_SUBST(CFLAGS)
3367 AC_SUBST(CPPFLAGS)
3368 AC_SUBST(LDFLAGS)
3369
3370 mono_build_root=`pwd`
3371 AC_SUBST(mono_build_root)
3372
3373 if test x$USEJIT = xtrue; then
3374   mono_runtime=mono/mini/mono
3375 else
3376   mono_runtime=mono/interpreter/mint
3377 fi
3378 AC_SUBST(mono_runtime)
3379
3380 mono_cfg_root=$mono_build_root/runtime
3381 if test x$host_win32 = xyes; then
3382   if test "x$cross_compiling" = "xno"; then
3383     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3384   else
3385     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3386   fi
3387 else
3388   mono_cfg_dir=$mono_cfg_root/etc
3389 fi
3390 AC_SUBST(mono_cfg_dir)
3391
3392 AC_CONFIG_FILES([po/mcs/Makefile.in])
3393
3394 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3395 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3396
3397 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3398 [   depth=../../../..
3399     case $srcdir in
3400     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3401     .) reldir=$depth ;;
3402     *) reldir=$depth/$srcdir ;;
3403     esac
3404     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3405     cd runtime/etc/mono/1.0
3406     rm -f machine.config
3407     $LN_S $reldir/data/net_1_1/machine.config machine.config
3408     cd $depth
3409 ],[LN_S='$LN_S'])
3410
3411 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3412 [   depth=../../../..
3413     case $srcdir in
3414     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3415     .) reldir=$depth ;;
3416     *) reldir=$depth/$srcdir ;;
3417     esac
3418     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3419     cd runtime/etc/mono/2.0
3420     rm -f machine.config
3421     $LN_S $reldir/data/net_2_0/machine.config machine.config
3422     cd $depth
3423 ],[LN_S='$LN_S'])
3424
3425 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3426 [   depth=../../../..
3427     case $srcdir in
3428     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3429     .) reldir=$depth ;;
3430     *) reldir=$depth/$srcdir ;;
3431     esac
3432     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3433     cd runtime/etc/mono/2.0
3434     rm -f web.config
3435     $LN_S $reldir/data/net_2_0/web.config web.config
3436     cd $depth
3437 ],[LN_S='$LN_S'])
3438
3439 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3440 [   depth=../../..
3441     case $srcdir in
3442     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3443     .) reldir=$depth ;;
3444     *) reldir=$depth/$srcdir ;;
3445     esac
3446     $ac_aux_dir/install-sh -d runtime/etc/mono/
3447     cd runtime/etc/mono/
3448     rm -f browscap.ini
3449     $LN_S $reldir/data/browscap.ini browscap.ini
3450     cd $depth
3451 ],[LN_S='$LN_S'])
3452
3453 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3454 [   depth=../../../../..
3455     case $srcdir in
3456     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3457     .) reldir=$depth ;;
3458     *) reldir=$depth/$srcdir ;;
3459     esac
3460     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3461     cd runtime/etc/mono/2.0/Browsers
3462     rm -f Compat.browser
3463     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3464     cd $depth
3465 ],[LN_S='$LN_S'])
3466
3467 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3468 [   depth=../../../../..
3469     case $srcdir in
3470     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3471     .) reldir=$depth ;;
3472     *) reldir=$depth/$srcdir ;;
3473     esac
3474     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3475     cd runtime/etc/mono/4.0/Browsers
3476     rm -f Compat.browser
3477     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3478     cd $depth
3479 ],[LN_S='$LN_S'])
3480
3481 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3482 [   depth=../../../../..
3483     case $srcdir in
3484     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3485     .) reldir=$depth ;;
3486     *) reldir=$depth/$srcdir ;;
3487     esac
3488     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3489     cd runtime/etc/mono/4.5/Browsers
3490     rm -f Compat.browser
3491     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3492     cd $depth
3493 ],[LN_S='$LN_S'])
3494
3495 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3496 [   depth=../../../..
3497     case $srcdir in
3498     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3499     .) reldir=$depth ;;
3500     *) reldir=$depth/$srcdir ;;
3501     esac
3502     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3503     cd runtime/etc/mono/4.0
3504     rm -f machine.config
3505     $LN_S $reldir/data/net_4_0/machine.config machine.config
3506     cd $depth
3507 ],[LN_S='$LN_S'])
3508
3509 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3510 [   depth=../../../..
3511     case $srcdir in
3512     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3513     .) reldir=$depth ;;
3514     *) reldir=$depth/$srcdir ;;
3515     esac
3516     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3517     cd runtime/etc/mono/4.0
3518     rm -f web.config
3519     $LN_S $reldir/data/net_4_0/web.config web.config
3520     cd $depth
3521 ],[LN_S='$LN_S'])
3522
3523 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3524 [   depth=../../../..
3525     case $srcdir in
3526     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3527     .) reldir=$depth ;;
3528     *) reldir=$depth/$srcdir ;;
3529     esac
3530     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3531     cd runtime/etc/mono/4.5
3532     rm -f machine.config
3533     $LN_S $reldir/data/net_4_5/machine.config machine.config
3534     cd $depth
3535 ],[LN_S='$LN_S'])
3536
3537 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3538 [   depth=../../../..
3539     case $srcdir in
3540     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3541     .) reldir=$depth ;;
3542     *) reldir=$depth/$srcdir ;;
3543     esac
3544     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3545     cd runtime/etc/mono/4.5
3546     rm -f web.config
3547     $LN_S $reldir/data/net_4_5/web.config web.config
3548     cd $depth
3549 ],[LN_S='$LN_S'])
3550
3551 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])
3552
3553 AC_OUTPUT([
3554 Makefile
3555 mono-core.spec
3556 mono-uninstalled.pc
3557 scripts/mono-find-provides
3558 scripts/mono-find-requires
3559 mono/Makefile
3560 mono/utils/Makefile
3561 mono/metadata/Makefile
3562 mono/dis/Makefile
3563 mono/cil/Makefile
3564 mono/arch/Makefile
3565 mono/arch/x86/Makefile
3566 mono/arch/amd64/Makefile
3567 mono/arch/ppc/Makefile
3568 mono/arch/sparc/Makefile
3569 mono/arch/s390x/Makefile
3570 mono/arch/arm/Makefile
3571 mono/arch/arm64/Makefile
3572 mono/arch/ia64/Makefile
3573 mono/arch/mips/Makefile
3574 mono/interpreter/Makefile
3575 mono/tests/Makefile
3576 mono/tests/tests-config
3577 mono/tests/assemblyresolve/Makefile
3578 mono/tests/cas/Makefile
3579 mono/tests/cas/assembly/Makefile
3580 mono/tests/cas/demand/Makefile
3581 mono/tests/cas/inheritance/Makefile
3582 mono/tests/cas/linkdemand/Makefile
3583 mono/tests/cas/threads/Makefile
3584 mono/tests/gc-descriptors/Makefile
3585 mono/unit-tests/Makefile
3586 mono/benchmark/Makefile
3587 mono/monograph/Makefile
3588 mono/io-layer/Makefile
3589 mono/mini/Makefile
3590 mono/profiler/Makefile
3591 m4/Makefile
3592 ikvm-native/Makefile
3593 scripts/Makefile
3594 man/Makefile
3595 docs/Makefile
3596 data/Makefile
3597 data/net_2_0/Makefile
3598 data/net_4_0/Makefile
3599 data/net_4_5/Makefile
3600 data/net_2_0/Browsers/Makefile
3601 data/net_4_0/Browsers/Makefile
3602 data/net_4_5/Browsers/Makefile
3603 data/mint.pc
3604 data/mono-2.pc
3605 data/monosgen-2.pc
3606 data/mono.pc
3607 data/mono-cairo.pc
3608 data/mono-nunit.pc
3609 data/mono-options.pc
3610 data/mono-lineeditor.pc
3611 data/monodoc.pc
3612 data/dotnet.pc
3613 data/dotnet35.pc
3614 data/wcf.pc
3615 data/cecil.pc
3616 data/system.web.extensions_1.0.pc
3617 data/system.web.extensions.design_1.0.pc
3618 data/system.web.mvc.pc
3619 data/system.web.mvc2.pc
3620 data/system.web.mvc3.pc
3621 data/aspnetwebstack.pc
3622 data/reactive.pc
3623 samples/Makefile
3624 support/Makefile
3625 data/config
3626 tools/Makefile
3627 tools/locale-builder/Makefile
3628 tools/sgen/Makefile
3629 runtime/Makefile
3630 msvc/Makefile
3631 po/Makefile
3632 ])
3633
3634 # Update all submodules recursively to ensure everything is checked out
3635 $srcdir/scripts/update_submodules
3636
3637 if test x$host_win32 = xyes; then
3638    # Get rid of 'cyg' prefixes in library names
3639    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3640    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3641    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3642    # executable doesn't work...
3643    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3644 fi
3645
3646 if test x$platform_darwin = xyes; then
3647    # This doesn't seem to be required and it slows down parallel builds
3648    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3649 fi
3650
3651 (
3652   case $prefix in
3653   NONE) prefix=$ac_default_prefix ;;
3654   esac
3655   case $exec_prefix in
3656   NONE) exec_prefix='${prefix}' ;;
3657   esac
3658
3659   #
3660   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3661   # any existing config.make.  This allows people to share the same source tree
3662   # with different build directories, one native and one cross
3663   #
3664   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3665
3666     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3667
3668     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3669     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3670     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3671     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3672     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3673     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3674     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3675     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3676
3677     case $INSTALL in
3678     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3679     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3680     esac
3681
3682     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3683
3684     export VERSION
3685     [myver=$($AWK 'BEGIN {
3686       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3687       if(length(vsplit [1]) > 4) {
3688         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3689       }
3690       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3691     }')]
3692
3693     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3694
3695     if test x$platform_darwin = xyes; then
3696       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3697     fi
3698
3699         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3700            enable_system_aot=yes
3701         fi
3702
3703         if test "x$enable_loadedllvm" = "xyes"; then
3704            # This seems to fail on the x86 buildbots
3705            enable_system_aot=no
3706         fi
3707
3708     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3709       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3710     fi
3711
3712     if test x$DISABLE_MCS_DOCS = xyes; then
3713       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3714     fi
3715
3716     if test x$has_extension_module != xno; then
3717         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3718     fi
3719
3720         default_profile=net_2_0
3721     if test -z "$INSTALL_4_0_TRUE"; then :
3722                 default_profile=net_4_0
3723     fi
3724     if test -z "$INSTALL_MONODROID_TRUE"; then :
3725                 default_profile=monodroid
3726     fi
3727     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3728                 default_profile=monotouch
3729     fi
3730         if test -z "$INSTALL_XAMMAC_TRUE"; then :
3731                 default_profile=xammac
3732         fi
3733     if test -z "$INSTALL_4_5_TRUE"; then :
3734                 default_profile=net_4_5
3735     fi
3736     
3737     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3738     
3739     if test "x$test_bcl_opt" = "xyes"; then    
3740       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3741     fi
3742
3743   fi
3744
3745   # if we have an olive folder, override the default settings
3746   if test -d $olivedir; then
3747
3748     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3749
3750       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3751
3752       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3753       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3754       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3755       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3756       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3757       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3758     fi
3759   fi
3760
3761 )
3762
3763 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3764
3765 echo "
3766         mcs source:    $mcsdir
3767
3768    Engine:
3769         GC:            $gc_msg 
3770         TLS:           $with_tls
3771         SIGALTSTACK:   $with_sigaltstack
3772         Engine:        $jit_status
3773         oprofile:      $OPROFILE
3774         BigArrays:     $enable_big_arrays
3775         DTrace:        $enable_dtrace
3776         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3777
3778    Libraries:
3779         .NET 2.0/3.5:  $with_profile2
3780         .NET 4.0:      $with_profile4
3781         .NET 4.5:      $with_profile4_5
3782         MonoDroid:     $with_monodroid
3783         MonoTouch:     $with_monotouch
3784         Xamarin.Mac:   $with_xammac
3785         JNI support:   $jdk_headers_found
3786         libgdiplus:    $libgdiplus_msg
3787         zlib:          $zlib_msg
3788         $disabled
3789 "
3790 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3791    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3792 fi