Merge pull request #1527 from ludovic-henry/master
[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, [3.99.0],
5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
6
7 AC_CONFIG_SRCDIR([README.md])
8 AC_CONFIG_MACRO_DIR([m4])
9 AC_CANONICAL_SYSTEM
10 AC_CANONICAL_HOST
11
12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
13 # The extra brackets are to foil regex-based scans.
14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
15
16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects])
17 AC_CONFIG_HEADERS([config.h])
18 AM_MAINTAINER_MODE
19
20 API_VER=2.0
21 AC_SUBST(API_VER)
22
23 AC_PROG_LN_S
24
25 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
26
27 case $host_os in
28 *cygwin* )
29                  echo "Run configure using ./configure --host=i686-pc-mingw32"
30                  exit 1
31 esac
32
33 # In case of cygwin, override LN_S, irrespective of what it determines.
34 # The build uses cygwin, but the actual runtime doesn't.
35 case $host_os in
36 *cygwin* ) LN_S='cp -p';;
37 esac
38
39 #
40 # libgc defaults
41 #
42 libgc_configure_args=
43
44 if test -d $srcdir/libgc ; then
45   libgc_default=included
46 else
47   libgc_default=boehm
48 fi
49
50 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
51 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
52 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
53 CFLAGS_FOR_LIBGC=$CFLAGS
54 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
55 CFLAGS_FOR_EGLIB=$CFLAGS
56
57 # libgc uses some deprecated APIs
58 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
59
60 #
61 # These are the flags that need to be stored in the mono.pc file for 
62 # compiling code that will embed Mono
63 #
64 libmono_cflags=""
65 libmono_ldflags=""
66 AC_SUBST(libmono_cflags)
67 AC_SUBST(libmono_ldflags)
68
69 # Variable to have relocatable .pc files (lib, or lib64)
70 reloc_libdir=`basename ${libdir}`
71 AC_SUBST(reloc_libdir)
72
73 dnl if linker handles the version script
74 no_version_script=no
75
76 # Set to yes if Unix sockets cannot be created in an anonymous namespace
77 need_link_unlink=no
78
79 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
80 extra_runtime_ldflags=""
81
82 # Thread configuration inspired by sleepycat's db
83 AC_MSG_CHECKING([host platform characteristics])
84 libgc_threads=no
85 has_dtrace=no
86 parallel_mark=yes
87 ikvm_native=yes
88
89 case "$host" in
90         powerpc*-*-linux*)
91                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
92                 disable_munmap=yes
93         ;;
94 esac
95
96 host_win32=no
97 target_win32=no
98 platform_android=no
99 platform_darwin=no
100 case "$host" in
101         *-mingw*|*-*-cygwin*)
102                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
103                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
104                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
105                 host_win32=yes
106                 mono_cv_clang=no
107                 if test "x$cross_compiling" = "xno"; then
108                         target_win32=yes
109                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
110                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
111                         fi
112                 else
113                         target_win32=yes
114                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
115                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
116                 fi
117                 HOST_CC="gcc"
118                 # Windows XP SP2 is required
119                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0502 -D_WIN32_WINNT=0x0502 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
120                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
121                 libmono_cflags="-mms-bitfields -mwindows"
122                 libmono_ldflags="-mms-bitfields -mwindows"
123                 libdl=
124                 libgc_threads=win32
125                 libgc_default=included
126                 with_sigaltstack=no
127                 with_tls=pthread
128                 LN_S=cp
129                 # This forces libgc to use the DllMain based thread registration code on win32
130                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
131                 ;;
132         *-*-*netbsd*)
133                 host_win32=no
134                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
135                 libmono_cflags="-D_REENTRANT"
136                 LDFLAGS="$LDFLAGS -pthread"
137                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
138                 libmono_ldflags="-pthread"
139                 need_link_unlink=yes
140                 libdl="-ldl"
141                 libgc_threads=pthreads
142                 with_sigaltstack=no
143                 use_sigposix=yes
144                 ;;
145         *-*-kfreebsd*-gnu)
146                 host_win32=no
147                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
148                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
149                 libmono_ldflags="-lpthread -pthread"
150                 libdl="-ldl"
151                 libgc_threads=pthreads
152                 need_link_unlink=yes
153                 with_sigaltstack=no
154                 use_sigposix=yes
155                 ;;
156         *-*-*freebsd*)
157                 host_win32=no
158                 if test "x$PTHREAD_CFLAGS" = "x"; then
159                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
160                         libmono_cflags=
161                 else
162                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
163                         libmono_cflags="$PTHREAD_CFLAGS"
164                 fi
165                 if test "x$PTHREAD_LIBS" = "x"; then
166                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
167                         libmono_ldflags="-pthread"
168                 else
169                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
170                         libmono_ldflags="$PTHREAD_LIBS"
171                 fi
172                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
173                 need_link_unlink=yes
174                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
175                 libdl=
176                 libgc_threads=pthreads
177                 use_sigposix=yes
178                 has_dtrace=yes
179                 ;;
180         *-*-*openbsd*)
181                 host_win32=no
182                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
183                 if test "x$disable_munmap" != "xyes"; then
184                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
185                 fi
186                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
187                 LDFLAGS="$LDFLAGS -pthread"
188                 need_link_unlink=yes
189                 AC_DEFINE(PTHREAD_POINTER_ID)
190                 libdl=
191                 libgc_default=boehm
192                 libgc_threads=pthreads
193                 with_sigaltstack=no
194                 use_sigposix=yes
195                 ;;
196         *-*-linux-android*)
197                 host_win32=no
198                 platform_android=yes
199                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
200                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
201
202                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
203                 if test "x$disable_munmap" != "xyes"; then
204                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
205                 fi
206                 libmono_cflags="-D_REENTRANT"
207                 libdl="-ldl"
208                 libgc_threads=pthreads
209                 use_sigposix=yes
210
211                 with_tls=pthread
212                 with_sigaltstack=no
213                 with_static_mono=no
214
215                 # Android doesn't support boehm, as it's missing <link.h>
216                 support_boehm=no
217                 with_gc=sgen
218
219                 # isinf(3) requires -lm; see isinf check below
220                 LDFLAGS="$LDFLAGS -lm"
221
222                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
223                 # PAGE_SIZE; breaks mono/io-layer/collection.c
224                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
225                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
226                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
227
228                 # The configure check can't detect this
229                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
230
231                 # to bypass the underscore linker check, can't work when cross-compiling
232                 mono_cv_uscore=yes
233                 mono_cv_clang=no
234                 ;;
235         *-*-linux*)
236                 host_win32=no
237                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
238                 if test "x$disable_munmap" != "xyes"; then
239                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
240                 fi
241                 libmono_cflags="-D_REENTRANT"
242                 libdl="-ldl"
243                 libgc_threads=pthreads
244                 use_sigposix=yes
245                 if test "x$cross_compiling" != "xno"; then
246                         # to bypass the underscore linker check, not
247                         # available during cross-compilation
248                         mono_cv_uscore=no
249                 fi
250                 case "$host" in
251                 aarch64-*)
252                         support_boehm=no
253                         with_gc=sgen
254                         ;;
255                 esac
256                 ;;
257         *-*-nacl*)
258                 host_win32=no
259                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
260                 if test "x$disable_munmap" != "xyes"; then
261                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
262                 fi
263                 libmono_cflags="-D_REENTRANT"
264                 libdl=
265                 libgc_threads=pthreads
266                 libgc_default=boehm
267                 use_sigposix=yes
268                 ikvm_native=no
269                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
270                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
271                 ;;
272         *-*-hpux*)
273                 host_win32=no
274                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
275                 # +ESdbgasm only valid on bundled cc on RISC
276                 # silently ignored for ia64
277                 if test $GCC != "yes"; then
278                         CFLAGS="$CFLAGS +ESdbgasm"
279                         # Arrange for run-time dereferencing of null
280                         # pointers to produce a SIGSEGV signal.
281                         LDFLAGS="$LDFLAGS -z"
282                 fi
283                 CFLAGS="$CFLAGS +ESdbgasm"
284                 LDFLAGS="$LDFLAGS -z"
285                 libmono_cflags="-D_REENTRANT"
286                 libmono_ldflags="-lpthread"
287                 libgc_threads=pthreads
288                 need_link_unlink=yes
289                 use_sigposix=yes
290                 ;;
291         *-*-solaris*)
292                 host_win32=no
293                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
294                 need_link_unlink=yes
295                 libmono_cflags="-D_REENTRANT"
296                 libgc_threads=pthreads
297                 # This doesn't seem to work on solaris/x86, but the configure test runs
298                 with_tls=pthread
299                 has_dtrace=yes
300                 use_sigposix=yes
301                 enable_solaris_tar_check=yes
302                 ;;
303         *-*-darwin*)
304                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
305                 host_win32=no
306                 platform_darwin=yes
307                 target_mach=yes
308                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
309                 libmono_cflags="-D_THREAD_SAFE"
310                 need_link_unlink=yes
311                 AC_DEFINE(PTHREAD_POINTER_ID)
312                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
313                 no_version_script=yes
314                 libdl=
315                 libgc_threads=pthreads
316                 has_dtrace=yes
317                 if test "x$cross_compiling" = "xyes"; then
318                         has_broken_apple_cpp=yes
319                 fi
320                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
321                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
322                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
323                 case "$host" in
324                         dnl Snow Leopard and newer config.guess reports as this
325                         i*86-*-darwin*)
326                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
327                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
328                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
329                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
330                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
331                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
332                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
333                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
334                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
335                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
336                                 ;;
337                         x*64-*-darwin*)
338                                 ;;
339                         arm*-darwin*)
340                                 has_dtrace=no
341                                 ;;                      
342                 esac
343                 ;;
344         *-*-haiku*)
345                 host_win32=no
346                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
347                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
348                 libdl=
349                 LIBS="$LIBS -lnetwork"
350                 need_link_unlink=yes
351                 AC_DEFINE(PTHREAD_POINTER_ID)
352                 libgc_threads=pthreads
353                 use_sigposix=yes
354                 ;;
355         *)
356                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
357                 host_win32=no
358                 libdl="-ldl"
359                 ;;
360 esac
361 AC_MSG_RESULT(ok)
362
363 if test x$need_link_unlink = xyes; then
364    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
365 fi
366
367 AC_SUBST(extra_runtime_ldflags)
368 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
369 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
370 AM_CONDITIONAL(PLATFORM_GNU, echo x$target_os | grep -q -- -gnu)
371 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
372 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
373 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
374 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
375
376 AC_CHECK_TOOL(CC, gcc, gcc)
377 AC_PROG_CC
378 AC_CHECK_TOOL(CXX, g++, g++)
379 AC_PROG_CXX
380 AM_PROG_AS
381 AC_PROG_INSTALL
382 AC_PROG_AWK
383 AM_PROG_CC_C_O
384 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
385 : ${CCAS='$(CC)'}
386 # Set ASFLAGS if not already set.
387 : ${CCASFLAGS='$(CFLAGS)'}
388 AC_SUBST(CCAS)
389 AC_SUBST(CCASFLAGS)
390
391 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
392 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
393 if test "x$CXX" = "xg++"; then
394         if test "x$GXX" != "xyes"; then
395                 # automake/libtool is so broken, it requires g++ even if the c++ sources
396                 # are inside automake conditionals
397                 AC_MSG_ERROR([You need to install g++])
398         fi
399 fi
400
401 dnl may require a specific autoconf version
402 dnl AC_PROG_CC_FOR_BUILD
403 dnl CC_FOR_BUILD not automatically detected
404 CC_FOR_BUILD=$CC
405 CFLAGS_FOR_BUILD=$CFLAGS
406 BUILD_EXEEXT=
407 if test "x$cross_compiling" = "xyes"; then
408         CC_FOR_BUILD=cc
409         CFLAGS_FOR_BUILD=
410         BUILD_EXEEXT=""
411 fi
412 AC_SUBST(CC_FOR_BUILD)
413 AC_SUBST(CFLAGS_FOR_BUILD)
414 AC_SUBST(HOST_CC)
415 AC_SUBST(BUILD_EXEEXT)
416
417 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
418 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
419
420 # Set STDC_HEADERS
421 AC_HEADER_STDC
422 AC_LIBTOOL_WIN32_DLL
423 # This causes monodis to not link correctly
424 #AC_DISABLE_FAST_INSTALL
425 AM_PROG_LIBTOOL
426 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
427 DOLT
428
429 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
430 AC_SUBST(export_ldflags)
431
432 # Test whenever ld supports -version-script
433 AC_PROG_LD
434 AC_PROG_LD_GNU
435 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
436    no_version_script=yes
437 fi
438
439 AM_ICONV()
440
441 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
442
443 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 sys/sysctl.h libproc.h)
444 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 arpa/inet.h)
445 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
446                   [], [], [#include <stddef.h>
447                   #include <sys/socket.h>
448                   #include <linux/socket.h>])
449
450 AC_CHECK_HEADERS(sys/user.h, [], [],
451 [
452 #ifdef HAVE_SYS_PARAM_H
453 # include <sys/param.h>
454 #endif
455 ])
456
457 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
458 if test x$have_zlib = xyes; then
459    AC_TRY_COMPILE([#include <zlib.h>], [
460    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
461    return 0;
462    #else
463    #error No good zlib found
464    #endif
465    ],[
466         AC_MSG_RESULT(Using system zlib)
467         zlib_msg="system zlib"
468         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
469    ],[
470         AC_MSG_RESULT(Using embedded zlib)
471         have_zlib=no
472         zlib_msg="bundled zlib"
473    ])
474 fi
475
476 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
477 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
478
479 # for mono/metadata/debug-symfile.c
480 AC_CHECK_HEADERS(elf.h)
481
482 # for support
483 AC_CHECK_HEADERS(poll.h)
484 AC_CHECK_HEADERS(sys/poll.h)
485 AC_CHECK_HEADERS(sys/wait.h)
486 AC_CHECK_HEADERS(grp.h)
487 AC_CHECK_HEADERS(syslog.h)
488
489 # for mono/dis
490 AC_CHECK_HEADERS(wchar.h)
491 AC_CHECK_HEADERS(ieeefp.h)
492 AC_MSG_CHECKING(for isinf)
493 AC_TRY_LINK([#include <math.h>], [
494         int f = isinf (1.0);
495 ], [
496         AC_MSG_RESULT(yes)
497         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
498 ], [
499         # We'll have to use signals
500         AC_MSG_RESULT(no)
501 ])
502 # mingw
503 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
504         AC_TRY_LINK([#include <math.h>], 
505         [ _finite(0.0); ], 
506         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
507         AC_MSG_RESULT(no)))
508
509 # for Linux statfs support
510 AC_CHECK_HEADERS(linux/magic.h)
511
512 # not 64 bit clean in cross-compile
513 AC_CHECK_SIZEOF(void *, 4)
514
515 AC_CACHE_CHECK([for clang],
516         mono_cv_clang,[
517         AC_TRY_COMPILE([], [
518                 #ifdef __clang__
519                 #else
520                 #error "FAILED"
521                 #endif
522                 return 0;
523         ],
524         [mono_cv_clang=yes],
525         [mono_cv_clang=no],
526         [])
527 ])
528
529 WARN=''
530 if test x"$GCC" = xyes; then
531         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
532                 # The runtime code does not respect ANSI C strict aliasing rules
533                 CFLAGS="$CFLAGS -fno-strict-aliasing"
534
535                 # We rely on signed overflow to behave
536                 CFLAGS="$CFLAGS -fwrapv"
537
538                 ORIG_CFLAGS=$CFLAGS
539                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
540                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
541                 AC_TRY_COMPILE([],[
542                                 return 0;
543                 ], [
544                    AC_MSG_RESULT(yes)
545                 ], [
546                    AC_MSG_RESULT(no)
547                    CFLAGS=$ORIG_CFLAGS
548                 ])
549
550                 ORIG_CFLAGS=$CFLAGS
551                 # Check for the normal version, since gcc ignores unknown -Wno options
552                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
553                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
554                 AC_TRY_COMPILE([],[
555                                 return 0;
556                 ], [
557                    AC_MSG_RESULT(yes)
558                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
559                 ], [
560                    AC_MSG_RESULT(no)
561                    CFLAGS=$ORIG_CFLAGS
562                 ])
563
564                 if test "x$mono_cv_clang" = "xyes"; then
565                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
566                    WARN="$WARN -Qunused-arguments"
567                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign"
568                 fi
569 else
570         # The Sun Forte compiler complains about inline functions that access static variables
571         # so disable all inlining.
572         case "$host" in
573         *-*-solaris*)
574                 CFLAGS="$CFLAGS -Dinline="
575                 ;;
576         esac
577 fi
578 CFLAGS="$CFLAGS -g $WARN"
579 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
580 CPPFLAGS="$CPPFLAGS -g $WARN"
581
582 # Where's the 'mcs' source tree?
583 if test -d $srcdir/mcs; then
584   mcsdir=mcs
585 else
586   mcsdir=../mcs
587 fi
588
589 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
590         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
591                 mcsdir=$with_mcs_path
592         fi
593 )
594
595 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
596
597 #
598 # A sanity check to catch cases where the package was unpacked
599 # with an ancient tar program (Solaris)
600 #
601 AC_ARG_ENABLE(solaris-tar-check,
602 [  --disable-solaris-tar-check    disable solaris tar check],
603    do_solaris_tar_check=no, do_solaris_tar_check=yes)
604
605 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
606         AC_MSG_CHECKING(integrity of package)
607         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
608         then
609                 AC_MSG_RESULT(ok)
610         else
611                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
612                 AC_MSG_ERROR([$errorm])
613         fi
614 fi
615
616 if test "x$with_mcs_path" != "x"; then
617 mcs_topdir=$(cd "$mcsdir" && pwd)
618 mcs_topdir_from_srcdir=$mcs_topdir
619 else
620 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
621 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
622 fi
623
624 # Convert mcs_topdir* paths to Windows syntax.
625 if test x$cross_compiling$host_win32 = xnoyes; then
626   mcs_topdir=$(cygpath -m $mcs_topdir)
627   case $mcs_topdir_from_srcdir in
628     /cygdrive/*)
629         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
630         ;;
631   esac
632 fi
633
634 AC_SUBST([mcs_topdir])
635 AC_SUBST([mcs_topdir_from_srcdir])
636
637 # Where's the 'olive' source tree?
638 if test -d $srcdir/olive; then
639   olivedir=olive
640 else
641   olivedir=../olive
642 fi
643
644 if test -d $srcdir/$olivedir; then
645 olive_topdir='$(top_srcdir)/'$olivedir
646 fi
647
648 # gettext: prepare the translation directories. 
649 # we do not configure the full gettext, as we consume it dynamically from C#
650 AM_PO_SUBDIRS
651
652 if test "x$USE_NLS" = "xyes"; then
653    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
654
655    if test "x$HAVE_MSGFMT" = "xno"; then
656           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
657    fi
658 fi
659
660 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
661
662 pkg_config_path=
663 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
664         if test x$with_crosspkgdir = "x"; then
665                 if test -s $PKG_CONFIG_PATH; then
666                         pkg_config_path=$PKG_CONFIG_PATH
667                 fi
668         else
669                 pkg_config_path=$with_crosspkgdir
670                 PKG_CONFIG_PATH=$pkg_config_path
671                 export PKG_CONFIG_PATH
672         fi
673 )
674
675 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
676 if test x$werror_flag = xyes; then
677         WERROR_CFLAGS="-Werror"
678 fi
679 AC_SUBST([WERROR_CFLAGS])
680
681 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
682 AC_CONFIG_SUBDIRS(eglib)
683
684 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
685 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
686 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
687 BUILD_GLIB_LIBS="$GLIB_LIBS"
688 GMODULE_CFLAGS="$GLIB_CFLAGS"
689 GMODULE_LIBS="$GLIB_LIBS"
690   
691 AC_SUBST(GLIB_CFLAGS)
692 AC_SUBST(GLIB_LIBS)
693 AC_SUBST(GMODULE_CFLAGS)
694 AC_SUBST(GMODULE_LIBS)
695 AC_SUBST(BUILD_GLIB_CFLAGS)
696 AC_SUBST(BUILD_GLIB_LIBS)
697
698 # Enable support for fast thread-local storage
699 # Some systems have broken support, so we allow to disable it.
700 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
701
702 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
703 # This does not work on some platforms (bug #55253)
704 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
705
706 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
707 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
708 # Same as --with-shared_mono=no
709 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
710
711 if test "x$enable_static" = "xno"; then
712    with_static_mono=no
713 fi
714
715 if test "x$enable_shared" = "xno"; then
716    with_shared_mono=no
717 fi
718
719 if test "x$enable_libraries" = "xno"; then
720    with_shared_mono=no
721 fi
722
723 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
724
725 case $host in
726 *nacl* ) with_shared_mono=yes;;
727 esac
728
729 if test "x$host_win32" = "xyes"; then
730    # Boehm GC requires the runtime to be in its own dll
731    with_static_mono=no
732 fi
733
734 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
735 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
736 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
737
738 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
739 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
740         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
741         ORIG_CFLAGS=$CFLAGS
742         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
743         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
744         AC_TRY_COMPILE([], [
745                 return 0;
746         ], [
747            AC_MSG_RESULT(yes)
748            # Pass it to libgc as well
749            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
750         ], [
751            AC_MSG_RESULT(no)
752            CFLAGS=$ORIG_CFLAGS
753         ])
754 fi
755
756 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
757
758 if test x$enable_small_config = xyes; then
759         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
760         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
761 fi
762
763 AC_ARG_ENABLE(system-aot, [  --enable-system-aot  Enable the Ahead-Of-Time compilation of system assemblies during the build (on by default on some platforms)], enable_system_aot=$enableval, enable_system_aot=default)
764
765 DISABLED_FEATURES=none
766
767 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
768      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
769      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
770          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying, shared_handles.],
771 [
772         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
773                 eval "mono_feature_disable_$feature='yes'"
774         done
775         DISABLED_FEATURES=$enable_minimal
776         disabled="Disabled:      $enable_minimal"
777 ],[])
778
779 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
780
781 if test "x$mono_feature_disable_aot" = "xyes"; then
782         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
783         AC_MSG_NOTICE([Disabled AOT compiler])
784 fi
785
786 if test "x$mono_feature_disable_profiler" = "xyes"; then
787         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
788         AC_MSG_NOTICE([Disabled support for the profiler])
789 fi
790 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
791
792 if test "x$mono_feature_disable_decimal" = "xyes"; then
793         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
794         AC_MSG_NOTICE([Disabled support for decimal])
795 fi
796
797 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
798         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
799         AC_MSG_NOTICE([Disabled support for P/Invoke])
800 fi
801
802 if test "x$mono_feature_disable_debug" = "xyes"; then
803         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
804         AC_MSG_NOTICE([Disabled support for runtime debugging])
805 fi
806
807 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
808         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
809         mono_feature_disable_reflection_emit_save=yes
810         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
811 fi
812
813 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
814         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
815         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
816 fi
817
818 if test "x$mono_feature_disable_large_code" = "xyes"; then
819         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
820         AC_MSG_NOTICE([Disabled support for large assemblies])
821 fi
822
823 if test "x$mono_feature_disable_logging" = "xyes"; then
824         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
825         AC_MSG_NOTICE([Disabled support for logging])
826 fi
827
828 if test "x$mono_feature_disable_com" = "xyes"; then
829         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
830         AC_MSG_NOTICE([Disabled COM support])
831 fi
832
833 if test "x$mono_feature_disable_ssa" = "xyes"; then
834         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
835         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
836 fi
837
838 if test "x$mono_feature_disable_generics" = "xyes"; then
839         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
840         AC_MSG_NOTICE([Disabled Generics Support])
841 fi
842
843 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
844         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
845         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
846 fi
847
848 if test "x$mono_feature_disable_portability" = "xyes"; then
849         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
850         AC_MSG_NOTICE([Disabled IO Portability layer])
851 fi
852
853 if test "x$mono_feature_disable_attach" = "xyes"; then
854         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
855         AC_MSG_NOTICE([Disabled agent attach])
856 fi
857
858 if test "x$mono_feature_disable_full_messages" = "xyes"; then
859         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
860         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
861 fi
862
863 if test "x$mono_feature_disable_verifier" = "xyes"; then
864         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
865         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
866 fi
867
868 if test "x$mono_feature_disable_jit" = "xyes"; then
869         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
870         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
871 fi
872
873 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
874
875 if test "x$mono_feature_disable_simd" = "xyes"; then
876         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
877         AC_MSG_NOTICE([Disabled SIMD support])
878 fi
879
880 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
881         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
882         AC_MSG_NOTICE([Disabled Soft Debugger.])
883 fi
884
885 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
886         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
887         AC_MSG_NOTICE([Disabled Performance Counters.])
888 fi
889 if test "x$mono_feature_disable_normalization" = "xyes"; then
890         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
891         AC_MSG_NOTICE([Disabled String normalization support.])
892 fi
893
894 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
895         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
896         AC_MSG_NOTICE([Disabled Assembly remapping.])
897 fi
898
899 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
900         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
901         AC_MSG_NOTICE([Disabled Shared perfcounters.])
902 fi
903
904 if test "x$mono_feature_disable_appdomains" = "xyes"; then
905         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
906         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
907 fi
908
909 if test "x$mono_feature_disable_remoting" = "xyes"; then
910         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
911         AC_MSG_NOTICE([Disabled remoting])
912 fi
913
914 if test "x$mono_feature_disable_security" = "xyes"; then
915         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
916         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
917 fi
918
919 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
920         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
921         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
922 fi
923
924 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
925         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
926         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
927 fi
928
929 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
930         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
931         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
932 fi
933
934 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
935         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
936         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
937 fi
938
939 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
940         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
941         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
942 fi
943
944 if test "x$mono_feature_disable_shared_handles" = "xyes"; then
945         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
946         AC_SUBST(DISABLE_SHARED_HANDLES)
947 fi
948
949 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
950 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
951
952 has_extension_module=no
953 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
954 [
955         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
956                 if test x$extension = xdefault ; then
957                         has_extension_module=yes;
958                 fi
959         done
960         if test x$enable_extension_module = xyes; then
961                 has_extension_module=yes;
962         fi
963 ], [])
964
965 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
966
967 if test x$has_extension_module != xno ; then
968         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
969         AC_MSG_NOTICE([Enabling mono extension module.])
970 fi
971
972 AC_ARG_ENABLE(gsharing, [  --enable-gsharing Enable gsharing], enable_gsharing=$enableval, enable_gsharing=no)
973 if test x$enable_gsharing = xyes; then
974         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharing])
975 fi
976
977 AC_ARG_ENABLE(native-types, [  --enable-native-types Enable native types], enable_native_types=$enableval, enable_native_types=no)
978 if test x$enable_native_types = xyes; then
979         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
980 fi
981
982 AC_MSG_CHECKING(for visibility __attribute__)
983 AC_COMPILE_IFELSE([
984         AC_LANG_SOURCE([[
985                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
986                 int main () { doit (); return 0; }
987         ]])
988 ], [
989    have_visibility_hidden=yes
990    AC_MSG_RESULT(yes)
991 ], [
992    have_visibility_hidden=no
993    AC_MSG_RESULT(no)
994 ])
995
996 AC_MSG_CHECKING(for deprecated __attribute__)
997 AC_TRY_COMPILE([
998      int doit (void) __attribute__ ((deprecated));
999      int doit (void) { return 0; }
1000 ], [
1001         return 0;
1002 ], [
1003    have_deprecated=yes
1004    AC_MSG_RESULT(yes)
1005 ], [
1006    have_deprecated=no
1007    AC_MSG_RESULT(no)
1008 ])
1009
1010 dnl
1011 dnl Boehm GC configuration
1012 dnl
1013
1014 AC_ARG_WITH(libgc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=$libgc_default])
1015
1016 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1017 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1018
1019 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1020 if test x$enable_parallel_mark = xyes; then
1021         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1022 fi
1023
1024 gc_headers=no
1025 gc_msg=""
1026 use_included_gc=no
1027 LIBGC_CPPFLAGS=
1028 LIBGC_LIBS=
1029 LIBGC_STATIC_LIBS=
1030 libgc_dir=
1031 case "x$libgc" in
1032         xboehm|xbohem|xyes)
1033                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
1034                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
1035
1036                 if test "x$found_boehm" != "xyes"; then
1037                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
1038                 fi
1039                 if test "x$gc_headers" != "xyes"; then
1040                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
1041                 fi
1042
1043                 LIBGC_LIBS="-lgc $libdl"
1044                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
1045                 libmono_ldflags="$libmono_ldflags -lgc"
1046                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1047
1048                 # AC_CHECK_FUNCS does not work for some reason...
1049                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1050                 if test "x$found_gcj_malloc" = "xyes"; then
1051                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1052                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1053                         gc_msg="System Boehm with typed GC"
1054                 else
1055                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1056                         gc_msg="System Boehm (without typed GC)"
1057                 fi
1058                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1059                 if test "x$found_gc_enable" = "xyes"; then
1060                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1061                 fi
1062
1063                 # check whether we need to explicitly allow
1064                 # thread registering
1065                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1066                 if test "x$found_allow_register_threads" = "xyes"; then
1067                    AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1068                 fi
1069                 ;;
1070
1071         xincluded)
1072                 use_included_gc=yes
1073                 if test "x$support_boehm" = "xyes"; then
1074                         libgc_dir=libgc
1075                 fi
1076
1077                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1078                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1079                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1080
1081                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1082
1083                 if test x$target_win32 = xyes; then
1084                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1085                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1086                 fi
1087
1088                 gc_msg="Included Boehm GC with typed GC"
1089                 if test x$enable_parallel_mark = xyes; then
1090                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1091                         gc_msg="$gc_msg and parallel mark"
1092                 else
1093                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1094                 fi
1095                 ;;
1096
1097         xsgen)
1098                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1099                 ;;
1100
1101         xnone)
1102                 AC_MSG_WARN("Compiling mono without GC.")
1103                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1104                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1105                 gc_msg="none"
1106                 ;;
1107         *)
1108                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1109                 ;;
1110 esac
1111
1112 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1113 if test "x$large_heap" = "xyes"; then
1114    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1115 fi
1116
1117 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1118 AC_SUBST(LIBGC_CPPFLAGS)
1119 AC_SUBST(LIBGC_LIBS)
1120 AC_SUBST(LIBGC_STATIC_LIBS)
1121 AC_SUBST(libgc_dir)
1122 AC_SUBST(BOEHM_DEFINES)
1123
1124 dnl
1125 dnl End of Boehm GC Configuration
1126 dnl
1127
1128 dnl *************************************
1129 dnl *** Checks for zero length arrays ***
1130 dnl *************************************
1131 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1132 AC_TRY_COMPILE([
1133         struct s {
1134                 int  length;
1135                 char data [0];
1136         };
1137 ], [], [
1138         AC_MSG_RESULT(yes)
1139         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1140 ], [
1141         AC_MSG_RESULT(no)
1142         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1143 ])
1144
1145 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1146
1147 dnl ***********************************
1148 dnl *** Checks for signals
1149 dnl ***********************************
1150 AC_CHECK_HEADERS(signal.h)
1151 AC_CHECK_FUNCS(sigaction)
1152
1153 if test x$target_win32 = xno; then
1154
1155         dnl hires monotonic clock support
1156         AC_SEARCH_LIBS(clock_gettime, rt)
1157
1158         dnl dynamic loader support
1159         AC_CHECK_FUNC(dlopen, DL_LIB="",
1160                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1161         )
1162         if test x$dl_support = xno; then
1163                 AC_MSG_WARN([No dynamic loading support available])
1164         else
1165                 LIBS="$LIBS $DL_LIB"
1166                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1167                 dnl from glib's configure.ac
1168                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1169                         mono_cv_uscore,[
1170                         AC_TRY_RUN([#include <dlfcn.h>
1171                         int mono_underscore_test (void) { return 42; }
1172                         int main() {
1173                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1174                           handle = dlopen ((void*)0, 0);
1175                           if (handle) {
1176                             f1 = dlsym (handle, "mono_underscore_test");
1177                             f2 = dlsym (handle, "_mono_underscore_test");
1178                           } return (!f2 || f1);
1179                         }],
1180                                 [mono_cv_uscore=yes],
1181                                 [mono_cv_uscore=no],
1182                         [])
1183                 ])
1184                 if test "x$mono_cv_uscore" = "xyes"; then
1185                         MONO_DL_NEED_USCORE=1
1186                 else
1187                         MONO_DL_NEED_USCORE=0
1188                 fi
1189                 AC_SUBST(MONO_DL_NEED_USCORE)
1190                 AC_CHECK_FUNC(dlerror)
1191         fi
1192
1193         dnl ******************************************************************
1194         dnl *** Checks for the IKVM JNI interface library                  ***
1195         dnl ******************************************************************
1196         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])
1197
1198         ikvm_native_dir=
1199         if test x$with_ikvm_native = xyes; then
1200                 ikvm_native_dir=ikvm-native
1201                 jdk_headers_found="IKVM Native"
1202         fi
1203
1204         AC_SUBST(ikvm_native_dir)
1205
1206         AC_CHECK_HEADERS(execinfo.h)
1207
1208         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1209
1210         AC_CHECK_FUNCS(getgrgid_r)
1211         AC_CHECK_FUNCS(getgrnam_r)
1212         AC_CHECK_FUNCS(getpwnam_r)
1213         AC_CHECK_FUNCS(getpwuid_r)
1214         AC_CHECK_FUNCS(getresuid)
1215         AC_CHECK_FUNCS(setresuid)
1216         AC_CHECK_FUNCS(kqueue)
1217         AC_CHECK_FUNCS(backtrace_symbols)
1218         AC_CHECK_FUNCS(mkstemp)
1219         AC_CHECK_FUNCS(mmap)
1220         AC_CHECK_FUNCS(madvise)
1221         AC_CHECK_FUNCS(getrusage)
1222         AC_CHECK_FUNCS(getpriority)
1223         AC_CHECK_FUNCS(setpriority)
1224         AC_CHECK_FUNCS(dl_iterate_phdr)
1225         AC_CHECK_FUNCS(dladdr)
1226         AC_CHECK_FUNCS(sysconf)
1227         AC_CHECK_FUNCS(getrlimit)
1228
1229         AC_CHECK_FUNCS(sched_setaffinity)
1230         AC_CHECK_FUNCS(sched_getcpu)
1231
1232         dnl ****************************************************************
1233         dnl *** Check for sched_setaffinity from glibc versions before   ***
1234         dnl *** 2.3.4. The older versions of the function only take 2    ***
1235         dnl *** parameters, not 3.                                       ***
1236         dnl ***                                                          ***
1237         dnl *** Because the interface change was not made in a minor     ***
1238         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1239         dnl *** won't always indicate the interface sched_affinity has.  ***
1240         dnl ****************************************************************
1241         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1242         AC_TRY_COMPILE([#include <sched.h>], [
1243             int mask = 1; 
1244             sched_setaffinity(0, &mask);
1245                         return 0;
1246         ], [
1247                 # Yes, we have it...
1248                 AC_MSG_RESULT(yes)
1249                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1250         ], [
1251                 # We have the new, three-parameter version
1252                 AC_MSG_RESULT(no)
1253         ])
1254
1255
1256         dnl ******************************************************************
1257         dnl *** Check for large file support                               ***
1258         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1259         dnl ******************************************************************
1260         
1261         # Check that off_t can represent 2**63 - 1 correctly, working around
1262         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1263         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1264         large_offt=no
1265         AC_DEFUN([LARGE_FILES], [
1266                 large_CPPFLAGS=$CPPFLAGS
1267                 CPPFLAGS="$CPPFLAGS $1"
1268                 AC_TRY_COMPILE([
1269                         #include <sys/types.h>
1270                         #include <limits.h>
1271                 ], [
1272                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1273                         #define COMPILE_TIME_ASSERT(pred) \
1274                                 switch(0){case 0:case pred:;}
1275                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1276                 ], [
1277                         AC_MSG_RESULT(ok)
1278                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1279                         large_CPPFLAGS="$large_CPPFLAGS $1"
1280                         large_offt=yes
1281                 ], [
1282                         AC_MSG_RESULT(no)
1283                 ])
1284                 CPPFLAGS=$large_CPPFLAGS
1285         ])
1286
1287         AC_MSG_CHECKING(if off_t is 64 bits wide)
1288         LARGE_FILES("")
1289         if test $large_offt = no; then
1290                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1291                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1292         fi
1293         if test $large_offt = no; then
1294                 AC_MSG_WARN([No 64 bit file size support available])
1295         fi
1296         
1297         dnl *****************************
1298         dnl *** Checks for libsocket  ***
1299         dnl *****************************
1300         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1301
1302         case "$host" in
1303                 *-*-*freebsd*)
1304                         dnl *****************************
1305                         dnl *** Checks for libinotify ***
1306                         dnl *****************************
1307                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1308         esac
1309
1310         dnl *******************************
1311         dnl *** Checks for MSG_NOSIGNAL ***
1312         dnl *******************************
1313         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1314         AC_TRY_COMPILE([#include <sys/socket.h>], [
1315                 int f = MSG_NOSIGNAL;
1316         ], [
1317                 # Yes, we have it...
1318                 AC_MSG_RESULT(yes)
1319                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1320         ], [
1321                 # We'll have to use signals
1322                 AC_MSG_RESULT(no)
1323         ])
1324
1325         dnl *****************************
1326         dnl *** Checks for IPPROTO_IP ***
1327         dnl *****************************
1328         AC_MSG_CHECKING(for IPPROTO_IP)
1329         AC_TRY_COMPILE([#include <netinet/in.h>], [
1330                 int level = IPPROTO_IP;
1331         ], [
1332                 # Yes, we have it...
1333                 AC_MSG_RESULT(yes)
1334                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1335         ], [
1336                 # We'll have to use getprotobyname
1337                 AC_MSG_RESULT(no)
1338         ])
1339
1340         dnl *******************************
1341         dnl *** Checks for IPPROTO_IPV6 ***
1342         dnl *******************************
1343         AC_MSG_CHECKING(for IPPROTO_IPV6)
1344         AC_TRY_COMPILE([#include <netinet/in.h>], [
1345                 int level = IPPROTO_IPV6;
1346         ], [
1347                 # Yes, we have it...
1348                 AC_MSG_RESULT(yes)
1349                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1350         ], [
1351                 # We'll have to use getprotobyname
1352                 AC_MSG_RESULT(no)
1353         ])
1354
1355         dnl ******************************
1356         dnl *** Checks for IPPROTO_TCP ***
1357         dnl ******************************
1358         AC_MSG_CHECKING(for IPPROTO_TCP)
1359         AC_TRY_COMPILE([#include <netinet/in.h>], [
1360                 int level = IPPROTO_TCP;
1361         ], [
1362                 # Yes, we have it...
1363                 AC_MSG_RESULT(yes)
1364                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1365         ], [
1366                 # We'll have to use getprotobyname
1367                 AC_MSG_RESULT(no)
1368         ])
1369
1370         dnl *****************************
1371         dnl *** Checks for SOL_IP     ***
1372         dnl *****************************
1373         AC_MSG_CHECKING(for SOL_IP)
1374         AC_TRY_COMPILE([#include <netdb.h>], [
1375                 int level = SOL_IP;
1376         ], [
1377                 # Yes, we have it...
1378                 AC_MSG_RESULT(yes)
1379                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1380         ], [
1381                 # We'll have to use getprotobyname
1382                 AC_MSG_RESULT(no)
1383         ])
1384
1385         dnl *****************************
1386         dnl *** Checks for SOL_IPV6     ***
1387         dnl *****************************
1388         AC_MSG_CHECKING(for SOL_IPV6)
1389         AC_TRY_COMPILE([#include <netdb.h>], [
1390                 int level = SOL_IPV6;
1391         ], [
1392                 # Yes, we have it...
1393                 AC_MSG_RESULT(yes)
1394                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1395         ], [
1396                 # We'll have to use getprotobyname
1397                 AC_MSG_RESULT(no)
1398         ])
1399
1400         dnl *****************************
1401         dnl *** Checks for SOL_TCP    ***
1402         dnl *****************************
1403         AC_MSG_CHECKING(for SOL_TCP)
1404         AC_TRY_COMPILE([#include <netdb.h>], [
1405                 int level = SOL_TCP;
1406         ], [
1407                 # Yes, we have it...
1408                 AC_MSG_RESULT(yes)
1409                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1410         ], [
1411                 # We'll have to use getprotobyname
1412                 AC_MSG_RESULT(no)
1413         ])
1414
1415         dnl *****************************
1416         dnl *** Checks for IP_PKTINFO ***
1417         dnl *****************************
1418         AC_MSG_CHECKING(for IP_PKTINFO)
1419         AC_TRY_COMPILE([#include <linux/in.h>], [
1420                 int level = IP_PKTINFO;
1421         ], [
1422                 # Yes, we have it...
1423                 AC_MSG_RESULT(yes)
1424                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1425         ], [
1426                 AC_MSG_RESULT(no)
1427         ])
1428
1429         dnl *****************************
1430         dnl *** Checks for IPV6_PKTINFO ***
1431         dnl *****************************
1432         AC_MSG_CHECKING(for IPV6_PKTINFO)
1433         AC_TRY_COMPILE([#include <netdb.h>], [
1434                 int level = IPV6_PKTINFO;
1435         ], [
1436                 # Yes, we have it...
1437                 AC_MSG_RESULT(yes)
1438                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1439         ], [
1440                 AC_MSG_RESULT(no)
1441         ])
1442
1443         dnl **********************************
1444         dnl *** Checks for IP_DONTFRAG     ***
1445         dnl **********************************
1446         AC_MSG_CHECKING(for IP_DONTFRAG)
1447         AC_TRY_COMPILE([#include <netinet/in.h>], [
1448                 int level = IP_DONTFRAG;
1449         ], [
1450                 # Yes, we have it...
1451                 AC_MSG_RESULT(yes)
1452                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1453         ], [
1454                 AC_MSG_RESULT(no)
1455         ])
1456
1457         dnl **********************************
1458         dnl *** Checks for IP_DONTFRAGMENT ***
1459         dnl **********************************
1460         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1461         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1462                 int level = IP_DONTFRAGMENT;
1463         ], [
1464                 # Yes, we have it...
1465                 AC_MSG_RESULT(yes)
1466                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1467         ], [
1468                 AC_MSG_RESULT(no)
1469         ])
1470
1471         dnl **********************************
1472         dnl *** Checks for IP_MTU_DISCOVER ***
1473         dnl **********************************
1474         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1475         AC_TRY_COMPILE([#include <linux/in.h>], [
1476                 int level = IP_MTU_DISCOVER;
1477         ], [
1478                 # Yes, we have it...
1479                 AC_MSG_RESULT(yes)
1480                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1481         ], [
1482                 AC_MSG_RESULT(no)
1483         ])
1484
1485         dnl **********************************
1486         dnl *** Checks for  IP_PMTUDISC_DO ***
1487         dnl **********************************
1488         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1489         AC_TRY_COMPILE([#include <linux/in.h>], [
1490                 int level = IP_PMTUDISC_DO;
1491         ], [
1492                 # Yes, we have it...
1493                 AC_MSG_RESULT(yes)
1494                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1495         ], [
1496                 AC_MSG_RESULT(no)
1497         ])
1498
1499         dnl *********************************
1500         dnl *** Check for struct ip_mreqn ***
1501         dnl *********************************
1502         AC_MSG_CHECKING(for struct ip_mreqn)
1503         AC_TRY_COMPILE([#include <netinet/in.h>], [
1504                 struct ip_mreqn mreq;
1505                 mreq.imr_address.s_addr = 0;
1506         ], [
1507                 # Yes, we have it...
1508                 AC_MSG_RESULT(yes)
1509                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1510         ], [
1511                 # We'll just have to try and use struct ip_mreq
1512                 AC_MSG_RESULT(no)
1513                 AC_MSG_CHECKING(for struct ip_mreq)
1514                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1515                         struct ip_mreq mreq;
1516                         mreq.imr_interface.s_addr = 0;
1517                 ], [
1518                         # Yes, we have it...
1519                         AC_MSG_RESULT(yes)
1520                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1521                 ], [
1522                         # No multicast support
1523                         AC_MSG_RESULT(no)
1524                 ])
1525         ])
1526         
1527         dnl **********************************
1528         dnl *** Check for getaddrinfo ***
1529         dnl **********************************
1530         AC_MSG_CHECKING(for getaddrinfo)
1531                 AC_TRY_LINK([
1532                 #include <stdio.h>
1533                 #include <netdb.h>
1534         ], [
1535                 getaddrinfo(NULL,NULL,NULL,NULL);
1536         ], [
1537                 # Yes, we have it...
1538                 AC_MSG_RESULT(yes)
1539                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1540         ], [
1541                 AC_MSG_RESULT(no)
1542         ])
1543
1544         dnl **********************************
1545         dnl *** Check for gethostbyname2_r ***
1546         dnl **********************************
1547         AC_MSG_CHECKING(for gethostbyname2_r)
1548                 AC_TRY_LINK([
1549                 #include <stdio.h>
1550                 #include <netdb.h>
1551         ], [
1552
1553                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1554         ], [
1555                 # Yes, we have it...
1556                 AC_MSG_RESULT(yes)
1557                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1558         ], [
1559                 AC_MSG_RESULT(no)
1560         ])
1561
1562         dnl **********************************
1563         dnl *** Check for gethostbyname2 ***
1564         dnl **********************************
1565         AC_MSG_CHECKING(for gethostbyname2)
1566                 AC_TRY_LINK([
1567                 #include <stdio.h>
1568                 #include <netdb.h>
1569         ], [
1570                 gethostbyname2(NULL,0);
1571         ], [
1572                 # Yes, we have it...
1573                 AC_MSG_RESULT(yes)
1574                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1575         ], [
1576                 AC_MSG_RESULT(no)
1577         ])
1578
1579         dnl **********************************
1580         dnl *** Check for gethostbyname ***
1581         dnl **********************************
1582         AC_MSG_CHECKING(for gethostbyname)
1583                 AC_TRY_LINK([
1584                 #include <stdio.h>
1585                 #include <netdb.h>
1586         ], [
1587                 gethostbyname(NULL);
1588         ], [
1589                 # Yes, we have it...
1590                 AC_MSG_RESULT(yes)
1591                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1592         ], [
1593                 AC_MSG_RESULT(no)
1594         ])
1595
1596         dnl **********************************
1597         dnl *** Check for getprotobyname ***
1598         dnl **********************************
1599         AC_MSG_CHECKING(for getprotobyname)
1600                 AC_TRY_LINK([
1601                 #include <stdio.h>
1602                 #include <netdb.h>
1603         ], [
1604                 getprotobyname(NULL);
1605         ], [
1606                 # Yes, we have it...
1607                 AC_MSG_RESULT(yes)
1608                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1609         ], [
1610                 AC_MSG_RESULT(no)
1611         ])
1612
1613         dnl **********************************
1614         dnl *** Check for getnameinfo ***
1615         dnl **********************************
1616         AC_MSG_CHECKING(for getnameinfo)
1617                 AC_TRY_LINK([
1618                 #include <stdio.h>
1619                 #include <netdb.h>
1620         ], [
1621                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1622         ], [
1623                 # Yes, we have it...
1624                 AC_MSG_RESULT(yes)
1625                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1626         ], [
1627                 AC_MSG_RESULT(no)
1628         ])
1629
1630
1631         dnl **********************************
1632         dnl *** Check for inet_ntop ***
1633         dnl **********************************
1634         AC_MSG_CHECKING(for inet_ntop)
1635                 AC_TRY_LINK([
1636                 #include <stdio.h>
1637                 #include <arpa/inet.h>
1638         ], [
1639                 inet_ntop (0, NULL, NULL, 0);
1640         ], [
1641                 # Yes, we have it...
1642                 AC_MSG_RESULT(yes)
1643                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1644         ], [
1645                 AC_MSG_RESULT(no)
1646         ])
1647
1648         dnl *****************************
1649         dnl *** Checks for libnsl     ***
1650         dnl *****************************
1651         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1652
1653         AC_CHECK_FUNCS(inet_pton inet_aton)
1654
1655         dnl *****************************
1656         dnl *** Checks for libxnet    ***
1657         dnl *****************************
1658         case "${host}" in
1659                 *solaris* )
1660                         AC_MSG_CHECKING(for Solaris XPG4 support)
1661                         if test -f /usr/lib/libxnet.so; then
1662                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1663                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1664                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1665                                 LIBS="$LIBS -lxnet"
1666                                 AC_MSG_RESULT(yes)
1667                         else
1668                                 AC_MSG_RESULT(no)
1669                         fi
1670
1671                         if test "$GCC" = "yes"; then
1672                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1673                         fi
1674                 ;;
1675         esac
1676
1677         dnl *****************************
1678         dnl *** Checks for libpthread ***
1679         dnl *****************************
1680 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1681 # and libpthread does not exist
1682 #
1683         case "${host}" in
1684                 *-*-*freebsd*)
1685                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1686                 ;;
1687                 *-*-*openbsd*)
1688                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1689                 ;;
1690                 *)
1691                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1692                 ;;
1693         esac
1694         AC_CHECK_HEADERS(pthread.h)
1695         AC_CHECK_HEADERS(pthread_np.h)
1696         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1697         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1698         AC_CHECK_FUNCS(pthread_kill)
1699         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1700         AC_TRY_COMPILE([ #include <pthread.h>], [
1701                 pthread_mutexattr_t attr;
1702                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1703         ], [
1704                 AC_MSG_RESULT(ok)
1705         ], [
1706                 AC_MSG_RESULT(no)
1707                 AC_ERROR(Posix system lacks support for recursive mutexes)
1708         ])
1709         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1710         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1711         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1712
1713         dnl **********************************
1714         dnl *** Check for mincore ***
1715         dnl **********************************
1716         AC_MSG_CHECKING(for mincore)
1717                 AC_TRY_LINK([
1718                 #include <stdio.h>
1719                 #include <sys/types.h>
1720                 #include <sys/mman.h>
1721         ], [
1722                 mincore(NULL, 0, NULL);
1723         ], [
1724                 # Yes, we have it...
1725                 AC_MSG_RESULT(yes)
1726                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1727         ], [
1728                 AC_MSG_RESULT(no)
1729         ])
1730
1731         dnl ***********************************
1732         dnl *** Checks for working __thread ***
1733         dnl ***********************************
1734         AC_MSG_CHECKING(for working __thread)
1735         if test "x$with_tls" != "x__thread"; then
1736                 AC_MSG_RESULT(disabled)
1737         elif test "x$cross_compiling" = "xyes"; then
1738                 AC_MSG_RESULT(cross compiling, assuming yes)
1739         else
1740                 AC_TRY_RUN([
1741                         #if defined(__APPLE__) && defined(__clang__)
1742                         #error "__thread does not currently work with clang on Mac OS X"
1743                         #endif
1744                         
1745                         #include <pthread.h>
1746                         __thread int i;
1747                         static int res1, res2;
1748
1749                         void thread_main (void *arg)
1750                         {
1751                                 i = arg;
1752                                 sleep (1);
1753                                 if (arg == 1)
1754                                         res1 = (i == arg);
1755                                 else
1756                                         res2 = (i == arg);
1757                         }
1758
1759                         int main () {
1760                                 pthread_t t1, t2;
1761
1762                                 i = 5;
1763
1764                                 pthread_create (&t1, NULL, thread_main, 1);
1765                                 pthread_create (&t2, NULL, thread_main, 2);
1766
1767                                 pthread_join (t1, NULL);
1768                                 pthread_join (t2, NULL);
1769
1770                                 return !(res1 + res2 == 2);
1771                         }
1772                 ], [
1773                                 AC_MSG_RESULT(yes)
1774                 ], [
1775                                 AC_MSG_RESULT(no)
1776                                 with_tls=pthread
1777                 ])
1778         fi
1779
1780         dnl **************************************
1781         dnl *** Checks for working sigaltstack ***
1782         dnl **************************************
1783         AC_MSG_CHECKING(for working sigaltstack)
1784         if test "x$with_sigaltstack" != "xyes"; then
1785                 AC_MSG_RESULT(disabled)
1786         elif test "x$cross_compiling" = "xyes"; then
1787                 AC_MSG_RESULT(cross compiling, assuming yes)
1788         else
1789                 AC_TRY_RUN([
1790                         #include <stdio.h>
1791                         #include <stdlib.h>
1792                         #include <unistd.h>
1793                         #include <signal.h>
1794                         #include <pthread.h>
1795                         #include <sys/wait.h>
1796                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1797                         #define SA_STACK SA_ONSTACK
1798                         #endif
1799                         static void
1800                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1801                         {
1802                                 exit (0);
1803                         }
1804
1805                         volatile char*__ptr = NULL;
1806                         static void *
1807                         loop (void *ignored)
1808                         {
1809                                 *__ptr = 0;
1810                                 return NULL;
1811                         }
1812
1813                         static void
1814                         child ()
1815                         {
1816                                 struct sigaction sa;
1817                         #ifdef __APPLE__
1818                                 stack_t sas;
1819                         #else
1820                                 struct sigaltstack sas;
1821                         #endif
1822                                 pthread_t id;
1823                                 pthread_attr_t attr;
1824
1825                                 sa.sa_sigaction = sigsegv_signal_handler;
1826                                 sigemptyset (&sa.sa_mask);
1827                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1828                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1829                                         perror ("sigaction");
1830                                         return;
1831                                 }
1832
1833                                 /* x86 darwin deliver segfaults using SIGBUS */
1834                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1835                                         perror ("sigaction");
1836                                         return;
1837                                 }
1838                                 sas.ss_sp = malloc (SIGSTKSZ);
1839                                 sas.ss_size = SIGSTKSZ;
1840                                 sas.ss_flags = 0;
1841                                 if (sigaltstack (&sas, NULL) == -1) {
1842                                         perror ("sigaltstack");
1843                                         return;
1844                                 }
1845
1846                                 pthread_attr_init (&attr);
1847                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1848                                         printf ("pthread_create\n");
1849                                         return;
1850                                 }
1851
1852                                 sleep (100);
1853                         }
1854
1855                         int
1856                         main ()
1857                         {
1858                                 pid_t son;
1859                                 int status;
1860                                 int i;
1861
1862                                 son = fork ();
1863                                 if (son == -1) {
1864                                         return 1;
1865                                 }
1866
1867                                 if (son == 0) {
1868                                         child ();
1869                                         return 0;
1870                                 }
1871
1872                                 for (i = 0; i < 300; ++i) {
1873                                         waitpid (son, &status, WNOHANG);
1874                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1875                                                 return 0;
1876                                         usleep (10000);
1877                                 }
1878
1879                                 kill (son, SIGKILL);
1880                                 return 1;
1881                         }
1882
1883                 ], [
1884                                 AC_MSG_RESULT(yes)
1885                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1886                 ], [
1887                                 with_sigaltstack=no
1888                                 AC_MSG_RESULT(no)
1889                 ])
1890         fi
1891
1892         dnl ********************************
1893         dnl *** Checks for semaphore lib ***
1894         dnl ********************************
1895         # 'Real Time' functions on Solaris
1896         # posix4 on Solaris 2.6
1897         # pthread (first!) on Linux
1898         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1899
1900         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1901         AC_CHECK_FUNCS(shm_open)
1902
1903         dnl ********************************
1904         dnl *** Checks for timezone stuff **
1905         dnl ********************************
1906         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1907                 AC_TRY_COMPILE([
1908                         #include <time.h>
1909                         ], [
1910                         struct tm tm;
1911                         tm.tm_gmtoff = 1;
1912                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1913         if test $ac_cv_struct_tm_gmtoff = yes; then
1914                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1915         else
1916                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1917                         AC_TRY_COMPILE([
1918                                 #include <time.h>
1919                         ], [
1920                                 timezone = 1;
1921                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1922                 if test $ac_cv_var_timezone = yes; then
1923                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1924                 else
1925                         AC_ERROR(unable to find a way to determine timezone)
1926                 fi
1927         fi
1928
1929         dnl *********************************
1930         dnl *** Checks for math functions ***
1931         dnl *********************************
1932         AC_SEARCH_LIBS(sqrtf, m)
1933         if test "x$has_broken_apple_cpp" != "xyes"; then
1934                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1935                         AC_TRY_LINK([#include <math.h>], 
1936                         [ finite(0.0); ], 
1937                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1938                         AC_MSG_RESULT(no)))
1939         fi
1940         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1941                 AC_TRY_LINK([#include <math.h>], 
1942                 [ isfinite(0.0); ], 
1943                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1944                 AC_MSG_RESULT(no)))
1945
1946         dnl ****************************************************************
1947         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1948         dnl *** have it in the library (duh))                            ***
1949         dnl ****************************************************************
1950         AC_CHECK_FUNCS(poll)
1951
1952         dnl *************************
1953         dnl *** Check for signbit ***
1954         dnl *************************
1955         AC_MSG_CHECKING(for signbit)
1956         AC_TRY_LINK([#include <math.h>], [
1957                 int s = signbit(1.0);
1958         ], [
1959                 AC_MSG_RESULT(yes)
1960                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1961         ], [
1962                 AC_MSG_RESULT(no)
1963         ]) 
1964
1965         dnl **********************************
1966         dnl *** epoll                      ***
1967         dnl **********************************
1968         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1969                 AC_CHECK_HEADERS(sys/epoll.h)
1970                 haveepoll=no
1971                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1972                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1973                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1974                 fi
1975         fi
1976
1977         havekqueue=no
1978
1979         AC_CHECK_HEADERS(sys/event.h)
1980         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1981
1982         dnl **************************************
1983         dnl * Darwin has a race that prevents us from using reliably:
1984         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1985         dnl * Since kqueue is mostly used for scaling large web servers, 
1986         dnl * and very few folks run Mono on large web servers on OSX, falling
1987         dnl * back 
1988         dnl **************************************
1989         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1990                 if test "x$platform_darwin" = "xno"; then
1991                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1992                 fi
1993         fi
1994
1995         dnl ******************************
1996         dnl *** Checks for SIOCGIFCONF ***
1997         dnl ******************************
1998         AC_CHECK_HEADERS(sys/ioctl.h)
1999         AC_CHECK_HEADERS(net/if.h, [], [],
2000            [
2001            #ifdef HAVE_SYS_TYPES_H
2002            # include <sys/types.h>
2003            #endif
2004            #ifdef HAVE_SYS_SOCKET_H
2005            # include <sys/socket.h>
2006            #endif
2007            ])
2008         AC_MSG_CHECKING(for ifreq)
2009         AC_TRY_COMPILE([
2010                 #include <stdio.h>
2011                 #include <sys/ioctl.h>
2012                 #include <net/if.h>
2013                 ], [
2014                 struct ifconf ifc;
2015                 struct ifreq *ifr;
2016                 void *x;
2017                 ifc.ifc_len = 0;
2018                 ifc.ifc_buf = NULL;
2019                 x = (void *) &ifr->ifr_addr;
2020                 ],[
2021                         AC_MSG_RESULT(yes)
2022                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2023                 ], [
2024                         AC_MSG_RESULT(no)
2025                 ])
2026         dnl **********************************
2027         dnl ***     Checks for sin_len     ***
2028         dnl **********************************
2029         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2030         AC_TRY_COMPILE([
2031                 #include <netinet/in.h>
2032                 ], [
2033                 struct sockaddr_in saddr;
2034                 saddr.sin_len = sizeof (saddr);
2035                 ],[
2036                         AC_MSG_RESULT(yes)
2037                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2038                 ], [
2039                         AC_MSG_RESULT(no)
2040                 ])      
2041         dnl **********************************
2042         dnl ***    Checks for sin6_len     ***
2043         dnl **********************************
2044         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2045         AC_TRY_COMPILE([
2046                 #include <netinet/in.h>
2047                 ], [
2048                 struct sockaddr_in6 saddr6;
2049                 saddr6.sin6_len = sizeof (saddr6);
2050                 ],[
2051                         AC_MSG_RESULT(yes)
2052                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2053                 ], [
2054                         AC_MSG_RESULT(no)
2055                 ])
2056         dnl **********************************
2057         dnl *** Check for getifaddrs       ***
2058         dnl **********************************
2059         AC_MSG_CHECKING(for getifaddrs)
2060                 AC_TRY_LINK([
2061                 #include <stdio.h>
2062                 #include <sys/types.h>
2063                 #include <sys/socket.h>
2064                 #include <ifaddrs.h>
2065         ], [
2066                 getifaddrs(NULL);
2067         ], [
2068                 # Yes, we have it...
2069                 AC_MSG_RESULT(yes)
2070                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2071         ], [
2072                 AC_MSG_RESULT(no)
2073         ])
2074         dnl **********************************
2075         dnl *** Check for if_nametoindex   ***
2076         dnl **********************************
2077         AC_MSG_CHECKING(for if_nametoindex)
2078                 AC_TRY_LINK([
2079                 #include <stdio.h>
2080                 #include <sys/types.h>
2081                 #include <sys/socket.h>
2082                 #include <net/if.h>
2083         ], [
2084                 if_nametoindex(NULL);
2085         ], [
2086                 # Yes, we have it...
2087                 AC_MSG_RESULT(yes)
2088                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2089         ], [
2090                 AC_MSG_RESULT(no)
2091         ])
2092                         
2093         dnl **********************************
2094         dnl *** Checks for MonoPosixHelper ***
2095         dnl **********************************
2096         AC_CHECK_HEADERS(checklist.h)
2097         AC_CHECK_HEADERS(pathconf.h)
2098         AC_CHECK_HEADERS(fstab.h)
2099         AC_CHECK_HEADERS(attr/xattr.h)
2100         AC_CHECK_HEADERS(sys/extattr.h)
2101         AC_CHECK_HEADERS(sys/sendfile.h)
2102         AC_CHECK_HEADERS(sys/statvfs.h)
2103         AC_CHECK_HEADERS(sys/statfs.h)
2104         AC_CHECK_HEADERS(sys/vfstab.h)
2105         AC_CHECK_HEADERS(sys/xattr.h)
2106         AC_CHECK_HEADERS(sys/mman.h)
2107         AC_CHECK_HEADERS(sys/param.h)
2108         AC_CHECK_HEADERS(sys/mount.h, [], [],
2109                 [
2110                 #ifdef HAVE_SYS_PARAM_H
2111                 # include <sys/param.h>
2112                 #endif
2113                 ])
2114         AC_CHECK_HEADERS(sys/mount.h)
2115         AC_CHECK_FUNCS(confstr)
2116         AC_CHECK_FUNCS(seekdir telldir)
2117         AC_CHECK_FUNCS(getdomainname)
2118         AC_CHECK_FUNCS(setdomainname)
2119         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2120         AC_CHECK_FUNCS(setgroups)
2121         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2122         AC_CHECK_FUNCS(getfsstat)
2123         AC_CHECK_FUNCS(lutimes futimes)
2124         AC_CHECK_FUNCS(mremap)
2125         AC_CHECK_FUNCS(remap_file_pages)
2126         AC_CHECK_FUNCS(posix_fadvise)
2127         AC_CHECK_FUNCS(posix_fallocate)
2128         AC_CHECK_FUNCS(posix_madvise)
2129         AC_CHECK_FUNCS(vsnprintf)
2130         AC_CHECK_FUNCS(sendfile)
2131         AC_CHECK_FUNCS(gethostid sethostid)
2132         AC_CHECK_FUNCS(sethostname)
2133         AC_CHECK_FUNCS(statfs)
2134         AC_CHECK_FUNCS(fstatfs)
2135         AC_CHECK_FUNCS(statvfs)
2136         AC_CHECK_FUNCS(fstatvfs)
2137         AC_CHECK_FUNCS(stime)
2138         AC_CHECK_FUNCS(strerror_r)
2139         AC_CHECK_FUNCS(ttyname_r)
2140         AC_CHECK_FUNCS(psignal)
2141         AC_CHECK_FUNCS(getlogin_r)
2142         AC_CHECK_FUNCS(lockf)
2143         AC_CHECK_FUNCS(swab)
2144         AC_CHECK_FUNCS(setusershell endusershell)
2145         AC_CHECK_FUNCS(futimens utimensat)
2146         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2147         AC_CHECK_FUNCS(readv writev preadv pwritev)
2148         AC_CHECK_FUNCS(setpgid)
2149         AC_CHECK_SIZEOF(size_t)
2150         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2151                 [#include <sys/types.h>
2152                  #include <sys/stat.h>
2153                  #include <unistd.h>])
2154         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2155                 [#include <sys/types.h>
2156                  #include <sys/stat.h>
2157                  #include <unistd.h>])
2158         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2159                 [#include <sys/time.h>])
2160         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2161                 [#include <unistd.h>
2162                  #include <fcntl.h>])
2163         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2164                 [#include <sys/uio.h>])
2165         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2166                 [#include <sys/poll.h>])
2167         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2168                 [#include <sys/types.h>
2169                  #include <sys/stat.h>
2170                  #include <unistd.h>])
2171         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2172                 [#include <time.h>])
2173         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2174                 [#include <sys/time.h>
2175                  #include <sys/types.h>
2176                  #include <utime.h>])
2177         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2178                 [#include <sys/time.h>])
2179         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2180                 [#include <sys/types.h>
2181                  #include <utime.h>])
2182         AC_CHECK_MEMBERS(
2183                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2184                 [#include <sys/types.h>
2185                  #include <dirent.h>])
2186         AC_CHECK_MEMBERS(
2187                 [struct passwd.pw_gecos],,, 
2188                 [#include <sys/types.h>
2189                  #include <pwd.h>])
2190         AC_CHECK_MEMBERS(
2191                 [struct statfs.f_flags],,, 
2192                 [#include <sys/types.h>
2193                  #include <sys/vfs.h>])
2194         AC_CHECK_MEMBERS(
2195                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2196                 [#include <sys/types.h>
2197                  #include <sys/stat.h>
2198                  #include <unistd.h>])
2199
2200         dnl Favour xattr through glibc, but use libattr if we have to
2201         AC_CHECK_FUNC(lsetxattr, ,
2202                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2203         )
2204         AC_SUBST(XATTR_LIB)
2205
2206         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2207         AC_CHECK_MEMBERS(
2208                 [struct kinfo_proc.kp_proc],,, 
2209                 [#include <sys/types.h>
2210                  #include <sys/param.h>
2211                  #include <sys/sysctl.h>
2212                  #include <sys/proc.h>
2213                  ])
2214
2215         dnl *********************************
2216         dnl *** Checks for Windows compilation ***
2217         dnl *********************************
2218         AC_CHECK_HEADERS(sys/time.h)
2219         AC_CHECK_HEADERS(sys/param.h)
2220         AC_CHECK_HEADERS(dirent.h)
2221
2222         dnl ******************************************
2223         dnl *** Checks for OSX and iOS compilation ***
2224         dnl ******************************************
2225         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2226
2227         dnl *********************************
2228         dnl *** Check for Console 2.0 I/O ***
2229         dnl *********************************
2230         AC_CHECK_HEADERS([curses.h])
2231         AC_CHECK_HEADERS([term.h], [], [],
2232         [#if HAVE_CURSES_H
2233          #include <curses.h>
2234          #endif
2235         ])
2236         AC_CHECK_HEADERS([termios.h])
2237
2238         dnl * This is provided in io-layer, but on windows it's only available
2239         dnl * on xp+
2240         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2241 else
2242         dnl *********************************
2243         dnl *** Checks for Windows compilation ***
2244         dnl *********************************
2245         AC_CHECK_HEADERS(winternl.h)
2246
2247         jdk_headers_found=no
2248         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2249         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2250         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2251         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2252         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2253         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2254         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2255
2256         dnl *********************************
2257         dnl *** Check for struct ip_mreqn ***
2258         dnl *********************************
2259         AC_MSG_CHECKING(for struct ip_mreqn)
2260         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2261                 struct ip_mreqn mreq;
2262                 mreq.imr_address.s_addr = 0;
2263         ], [
2264                 # Yes, we have it...
2265                 AC_MSG_RESULT(yes)
2266                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2267         ], [
2268                 # We'll just have to try and use struct ip_mreq
2269                 AC_MSG_RESULT(no)
2270                 AC_MSG_CHECKING(for struct ip_mreq)
2271                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2272                         struct ip_mreq mreq;
2273                         mreq.imr_interface.s_addr = 0;
2274                 ], [
2275                         # Yes, we have it...
2276                         AC_MSG_RESULT(yes)
2277                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2278                 ], [
2279                         # No multicast support
2280                         AC_MSG_RESULT(no)
2281                 ])
2282         ])
2283
2284         dnl **********************************
2285         dnl *** Check for getaddrinfo ***
2286         dnl **********************************
2287         AC_MSG_CHECKING(for getaddrinfo)
2288                 AC_TRY_LINK([
2289                 #include <stdio.h>
2290                 #include <winsock2.h>
2291                 #include <ws2tcpip.h>
2292         ], [
2293                 getaddrinfo(NULL,NULL,NULL,NULL);
2294         ], [
2295                 # Yes, we have it...
2296                 AC_MSG_RESULT(yes)
2297                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2298         ], [
2299                 AC_MSG_RESULT(no)
2300         ])
2301
2302         dnl **********************************
2303         dnl *** Check for gethostbyname ***
2304         dnl **********************************
2305         AC_MSG_CHECKING(for gethostbyname)
2306                 AC_TRY_LINK([
2307                 #include <stdio.h>
2308                 #include <winsock2.h>
2309                 #include <ws2tcpip.h>
2310         ], [
2311                 gethostbyname(NULL);
2312         ], [
2313                 # Yes, we have it...
2314                 AC_MSG_RESULT(yes)
2315                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2316         ], [
2317                 AC_MSG_RESULT(no)
2318         ])
2319
2320         dnl **********************************
2321         dnl *** Check for getprotobyname ***
2322         dnl **********************************
2323         AC_MSG_CHECKING(for getprotobyname)
2324                 AC_TRY_LINK([
2325                 #include <stdio.h>
2326                 #include <winsock2.h>
2327                 #include <ws2tcpip.h>
2328         ], [
2329                 getprotobyname(NULL);
2330         ], [
2331                 # Yes, we have it...
2332                 AC_MSG_RESULT(yes)
2333                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2334         ], [
2335                 AC_MSG_RESULT(no)
2336         ])
2337
2338         dnl **********************************
2339         dnl *** Check for getnameinfo ***
2340         dnl **********************************
2341         AC_MSG_CHECKING(for getnameinfo)
2342                 AC_TRY_LINK([
2343                 #include <stdio.h>
2344                 #include <winsock2.h>
2345                 #include <ws2tcpip.h>
2346         ], [
2347                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2348         ], [
2349                 # Yes, we have it...
2350                 AC_MSG_RESULT(yes)
2351                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2352         ], [
2353                 AC_MSG_RESULT(no)
2354         ])
2355
2356         dnl **********************************
2357         dnl *** Check for inet_ntop ***
2358         dnl **********************************
2359         AC_MSG_CHECKING(for inet_ntop)
2360                 AC_TRY_LINK([
2361                 #include <stdio.h>
2362                 #include <winsock2.h>
2363                 #include <ws2tcpip.h>
2364         ], [
2365                 inet_ntop (0, NULL, NULL, 0);
2366         ], [
2367                 # Yes, we have it...
2368                 AC_MSG_RESULT(yes)
2369                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2370         ], [
2371                 AC_MSG_RESULT(no)
2372         ])
2373
2374         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2375         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2376         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2377         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2378         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2379         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2380         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2381
2382         AC_MSG_CHECKING(for GetProcessId)
2383         AC_TRY_COMPILE([#include <windows.h>], [
2384                 GetProcessId (0);
2385         ], [
2386            AC_MSG_RESULT(yes)
2387            AC_DEFINE(HAVE_GETPROCESSID)
2388         ], [
2389            AC_MSG_RESULT(no)
2390         ])
2391 fi
2392
2393 dnl socklen_t check
2394 AC_MSG_CHECKING(for socklen_t)
2395 AC_TRY_COMPILE([
2396 #include <sys/types.h>
2397 #include <sys/socket.h>
2398 ],[
2399   socklen_t foo;
2400 ],[
2401 ac_cv_c_socklen_t=yes
2402         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2403         AC_MSG_RESULT(yes)
2404 ],[
2405         AC_MSG_RESULT(no)
2406 ])
2407
2408 AC_MSG_CHECKING(for array element initializer support)
2409 AC_TRY_COMPILE([#include <sys/socket.h>], [
2410         const int array[] = {[1] = 2,};
2411 ], [
2412         # Yes, we have it...
2413         AC_MSG_RESULT(yes)
2414         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2415 ], [
2416         # We'll have to use signals
2417         AC_MSG_RESULT(no)
2418 ])
2419
2420 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2421         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2422         AC_TRY_LINK([#include <math.h>], 
2423         [ static void *p = &trunc; ],
2424         [
2425                 AC_DEFINE(HAVE_TRUNC) 
2426                 AC_MSG_RESULT(yes)
2427                 ac_cv_trunc=yes
2428         ],
2429         AC_MSG_RESULT(no)))
2430
2431 if test "x$ac_cv_truncl" != "xyes"; then
2432    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2433 fi
2434
2435 AC_CHECK_FUNCS(round)
2436 AC_CHECK_FUNCS(rint)
2437 AC_CHECK_FUNCS(execvp)
2438
2439 dnl ****************************
2440 dnl *** Look for /dev/random ***
2441 dnl ****************************
2442
2443 AC_MSG_CHECKING([if usage of random device is requested])
2444 AC_ARG_ENABLE(dev-random,
2445 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2446 try_dev_random=$enableval, try_dev_random=yes)
2447
2448 AC_MSG_RESULT($try_dev_random)
2449
2450 case "{$build}" in
2451     *-openbsd*)
2452     NAME_DEV_RANDOM="/dev/srandom"
2453     ;;
2454
2455 dnl Win32 does not have /dev/random, they have their own method...
2456
2457     *-mingw*|*-*-cygwin*)
2458     ac_cv_have_dev_random=no
2459     ;;
2460
2461 dnl Everywhere else, it's /dev/random
2462
2463     *)
2464     NAME_DEV_RANDOM="/dev/random"
2465     ;;
2466 esac
2467
2468 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2469
2470 dnl Now check if the device actually exists
2471
2472 if test "x$try_dev_random" = "xyes"; then
2473     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2474     [if test -r "$NAME_DEV_RANDOM" ; then
2475         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2476     if test "x$ac_cv_have_dev_random" = "xyes"; then
2477         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2478     fi
2479 else
2480     AC_MSG_CHECKING(for random device)
2481     ac_cv_have_dev_random=no
2482     AC_MSG_RESULT(has been disabled)
2483 fi
2484
2485 if test "x$host_win32" = "xyes"; then
2486     AC_DEFINE(HAVE_CRYPT_RNG)
2487 fi
2488
2489 if test "x$ac_cv_have_dev_random" = "xno" \
2490     && test "x$host_win32" = "xno"; then
2491     AC_MSG_WARN([[
2492 ***
2493 *** A system-provided entropy source was not found on this system.
2494 *** Because of this, the System.Security.Cryptography random number generator
2495 *** will throw a NotImplemented exception.
2496 ***
2497 *** If you are seeing this message, and you know your system DOES have an
2498 *** entropy collection in place, please contact <crichton@gimp.org> and
2499 *** provide information about the system and how to access the random device.
2500 ***
2501 *** Otherwise you can install either egd or prngd and set the environment
2502 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2503 ***]])
2504 fi
2505  
2506 AC_MSG_CHECKING([if inter-process shared handles are requested])
2507 # Same as --enable-minimal=shared_handles
2508 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2509 AC_MSG_RESULT($try_shared_handles)
2510 if test "x$try_shared_handles" != "xyes"; then
2511         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2512         AC_SUBST(DISABLE_SHARED_HANDLES)
2513 fi
2514
2515 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2516
2517 AC_MSG_CHECKING([if big-arrays are to be enabled])
2518 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2519 if test "x$enable_big_arrays" = "xyes" ; then
2520     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2521         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2522     else
2523         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2524     fi
2525 fi
2526 AC_MSG_RESULT($enable_big_arrays)
2527
2528 dnl **************
2529 dnl *** DTRACE ***
2530 dnl **************
2531
2532 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2533
2534 if test "x$enable_dtrace" = "xyes"; then
2535    if test "x$has_dtrace" = "xno"; then
2536           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2537    fi
2538    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2539    if test "x$DTRACE" = "xno"; then
2540           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2541           enable_dtrace=no
2542    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2543           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2544           enable_dtrace=no
2545    fi
2546 fi
2547
2548 dtrace_g=no
2549 if test "x$enable_dtrace" = "xyes"; then
2550         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2551         DTRACEFLAGS=
2552         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2553                 case "$host" in
2554                         powerpc-*-darwin*)
2555                         DTRACEFLAGS="-arch ppc64"
2556                         ;;
2557                         i*86-*-darwin*)
2558                         DTRACEFLAGS="-arch x86_64"
2559                         ;;
2560                         *)
2561                         DTRACEFLAGS=-64
2562                         ;;
2563                 esac
2564         else
2565                 case "$host" in
2566                         powerpc-*-darwin*)
2567                         DTRACEFLAGS="-arch ppc"
2568                         ;;
2569                         i*86-*-darwin*)
2570                         DTRACEFLAGS="-arch i386"
2571                         ;;
2572                         *)
2573                         DTRACEFLAGS=-32
2574                         ;;
2575                 esac
2576         fi
2577         AC_SUBST(DTRACEFLAGS)
2578         case "$host" in
2579                 *-*-solaris*)
2580                 dtrace_g=yes
2581                 ;;
2582         esac
2583         AC_CHECK_HEADERS([sys/sdt.h])
2584 fi
2585 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2586 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2587
2588 dnl **************
2589 dnl ***  NaCl  ***
2590 dnl **************
2591
2592 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2593 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2594
2595 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2596
2597 dnl
2598 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2599 dnl
2600 nacl_self_host=""
2601 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2602    nacl_self_host="nacl_self_host"
2603 fi
2604 AC_SUBST(nacl_self_host)
2605
2606 if test "x$enable_nacl_codegen" = "xyes"; then
2607    MONO_NACL_ALIGN_MASK_OFF=1
2608    AC_DEFINE(TARGET_NACL, 1, [...])
2609    AC_DEFINE(__native_client_codegen__, 1, [...])
2610 else
2611    MONO_NACL_ALIGN_MASK_OFF=0
2612    AC_DEFINE(__default_codegen__, 1, [...])
2613 fi
2614 if test "x$enable_nacl_gc" = "xyes"; then
2615    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2616       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2617    else
2618       # Not yet implemented
2619       INSTRUMENT_CFLAG=""
2620    fi
2621    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2622 fi
2623 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2624
2625 dnl **************
2626 dnl ***  LLVM  ***
2627 dnl **************
2628
2629 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2630 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2631 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2632
2633 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2634
2635 if test "x$enable_llvm" = "xyes"; then
2636    if test "x$with_llvm" != "x"; then
2637           LLVM_CONFIG=$with_llvm/bin/llvm-config
2638           if test x$target_win32 = xyes; then
2639                 LLVM_CONFIG=$LLVM_CONFIG.exe
2640           fi
2641           if test ! -x $LLVM_CONFIG; then
2642                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2643       fi
2644    else
2645       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2646       if test "x$LLVM_CONFIG" = "xno"; then
2647              AC_MSG_ERROR([llvm-config not found.])
2648       fi
2649    fi
2650
2651    llvm_codegen="x86codegen"
2652    case "$target" in
2653    arm*)
2654                 llvm_codegen="armcodegen"
2655                 ;;
2656    esac
2657
2658    if test "x$target_win32" = "xno"; then
2659
2660    # The output of --cflags seems to include optimizations flags too
2661    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2662    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2663    # from LLVM classes.
2664    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2665    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2666    # This might include empty lines
2667    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2668    if test "x$host" != "x$target"; then
2669       # No need for jit libs
2670       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2671    else
2672       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2673    fi
2674    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS -lstdc++"
2675
2676    expected_llvm_version="3.4svn-mono-mono/e656cac"
2677
2678    # Should be something like '2.6' or '2.7svn'
2679    llvm_version=`$LLVM_CONFIG --version`
2680    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2681    AC_MSG_CHECKING(LLVM version)
2682    AC_MSG_RESULT($llvm_version)
2683    if echo $llvm_version | grep -q 'mono'; then
2684           if test "x$enable_llvm_version_check" == "xyes"; then
2685                  if test "$llvm_version" != "$expected_llvm_version"; then
2686                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2687                  fi
2688           fi
2689    else
2690           AC_MSG_ERROR([Compiling with stock LLVM is not supported, please use the Mono LLVM repo at https://github.com/mono/llvm, with the GIT branch which matches this version of mono, i.e. 'mono-2-10' for Mono 2.10.])
2691    fi
2692
2693    else
2694        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2695        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-exceptions -fno-rtti -Woverloaded-virtual -Wcast-qual"
2696        LLVM_LDFLAGS="-L$with_llvm/lib"
2697        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2698        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2699          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2700          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2701          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2702          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2703          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2704          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2705          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2706          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2707          -lLLVMSupport -lstdc++"
2708        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2709
2710        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2711        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2712    fi  
2713
2714    if test "x$llvm_api_version" = "x"; then
2715           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2716           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2717    else
2718           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2719           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2720    fi   
2721
2722    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2723
2724    AC_SUBST(LLVM_CFLAGS)
2725    AC_SUBST(LLVM_CXXFLAGS)
2726    AC_SUBST(LLVM_LIBS)
2727    AC_SUBST(LLVM_LDFLAGS)
2728    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2729 fi
2730
2731 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2732 if test "x$enable_loadedllvm" = "xyes"; then
2733    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2734 fi
2735 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2736
2737 TARGET="unknown"
2738 ACCESS_UNALIGNED="yes"
2739
2740 LIBC="libc.so.6"
2741 INTL="libc.so.6"
2742 SQLITE="libsqlite.so.0"
2743 SQLITE3="libsqlite3.so.0"
2744 X11="libX11.so"
2745 GDKX11="libgdk-x11-2.0.so.0"
2746 GTKX11="libgtk-x11-2.0.so.0"
2747 XINERAMA="libXinerama.so.1"
2748
2749 sizeof_register="SIZEOF_VOID_P"
2750
2751 jit_wanted=true
2752 sgen_supported=false
2753 boehm_supported=true
2754 case "$host" in
2755         mips*)
2756                 TARGET=MIPS;
2757                 arch_target=mips;
2758                 sgen_supported=true
2759                 ACCESS_UNALIGNED="no"
2760
2761                 AC_MSG_CHECKING(for mips n32)
2762                 AC_TRY_COMPILE([],[
2763                 #if _MIPS_SIM != _ABIN32
2764                 #error Not mips n32
2765                 #endif
2766                 return 0;
2767                 ],[
2768                 AC_MSG_RESULT(yes)
2769                 sizeof_register=8
2770                 ],[
2771                 AC_MSG_RESULT(no)
2772                 ])
2773                 ;;
2774         i*86-*-*)
2775                 TARGET=X86;
2776                 arch_target=x86;
2777                 case $host_os in
2778                   solaris*)
2779                         LIBC="libc.so"
2780                         INTL="libintl.so"
2781                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2782                                 TARGET=AMD64
2783                                 arch_target=amd64
2784                         fi
2785
2786                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2787                         # int astruct __attribute__ ((visibility ("hidden")));
2788                         # void foo ()
2789                         # {
2790                         #       void *p = &astruct;
2791                         # }
2792                         # gcc -fPIC --shared -o libfoo.so foo.c
2793                         # yields:
2794                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2795                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2796                         have_visibility_hidden=no
2797                         sgen_supported=true
2798                         ;;
2799                   mingw*|cygwin*)
2800                         sgen_supported=true
2801                         have_visibility_hidden=no                 
2802                         ;;
2803                   haiku*)
2804                         LIBC=libroot.so
2805                         ;;
2806                   linux*)
2807                         sgen_supported=true
2808                         AOT_SUPPORTED="yes"
2809                         ;;
2810                   darwin*)
2811                         sgen_supported=true
2812                         AOT_SUPPORTED="yes"
2813                         ;;
2814                   openbsd*|freebsd*|kfreebsd-gnu*)
2815                         sgen_supported=true
2816                         ;;
2817                 esac
2818                 ;;
2819         x86_64-*-* | amd64-*-*)
2820                 TARGET=AMD64;
2821                 arch_target=amd64;
2822                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2823                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2824                         sizeof_register=8
2825                 fi
2826                 case $host_os in
2827                   linux*)
2828                         sgen_supported=true
2829                         AOT_SUPPORTED="yes"
2830                         ;;
2831                   darwin*)
2832                         sgen_supported=true
2833                         AOT_SUPPORTED="yes"
2834                         ;;
2835                   openbsd*|freebsd*|kfreebsd-gnu*)
2836                         sgen_supported=true
2837                         ;;
2838                   mingw*)
2839                         sgen_supported=true
2840                         ;;
2841                 esac
2842                 case "$host" in
2843                         x86_64-*-nacl*)
2844                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2845                                 sizeof_register=8
2846                                 ;;
2847                 esac
2848                 ;;
2849         ia64-*-*)
2850                 TARGET=IA64
2851                 arch_target=ia64
2852                 ACCESS_UNALIGNED="no"
2853                 LIBC="libc.so.6.1"
2854                 INTL="libc.so.6.1"
2855                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2856                 libmono_ldflags="-lunwind"
2857                 ;;
2858         sparc*-*-*)
2859                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2860                    TARGET=SPARC64
2861                 else
2862                         TARGET=SPARC
2863                 fi
2864                 arch_target=sparc;
2865                 ACCESS_UNALIGNED="no"
2866                 case $host_os in
2867                   linux*) ;;
2868                   *)
2869                         LIBC="libc.so"
2870                         INTL="libintl.so"
2871                 esac
2872                 if test x"$GCC" = xyes; then
2873                         # We don't support v8 cpus
2874                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2875                 fi
2876                 if test x"$AR" = xfalse; then
2877                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2878                 fi
2879                 sgen_supported=true
2880                 ;;
2881         *-mingw*|*-*-cygwin*)
2882                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2883                 have_visibility_hidden=no
2884                 INTL="intl"
2885                 ;;
2886         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2887         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2888                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2889                         TARGET=POWERPC64;
2890                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2891                         CFLAGS="$CFLAGS -mminimal-toc"
2892                 else
2893                         TARGET=POWERPC;
2894                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2895                 fi
2896                 arch_target=ppc;
2897                 case $host_os in
2898                   linux*|darwin*)
2899                         sgen_supported=true
2900                         ;;
2901                 esac
2902                 ;;
2903         arm*-darwin*)
2904                 TARGET=ARM;
2905                 arch_target=arm;
2906                 ACCESS_UNALIGNED="no"
2907                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2908                 sgen_supported=true
2909                 ;;
2910         arm*-linux*)
2911                 TARGET=ARM;
2912                 arch_target=arm;
2913                 ACCESS_UNALIGNED="no"
2914                 sgen_supported=true
2915                 AOT_SUPPORTED="yes"
2916                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2917                 ;;
2918 # TODO: make proper support for NaCl host.
2919 #        arm*-*nacl)
2920 #               TARGET=ARM;
2921 #               arch_target=arm;
2922 #               ACCESS_UNALIGNED="no"
2923 #               sgen_supported=true
2924 #               AOT_SUPPORTED="no"
2925 #               ;;
2926         aarch64-*)
2927                 # https://lkml.org/lkml/2012/7/15/133
2928                 TARGET=ARM64
2929                 arch_target=arm64
2930                 sgen_supported=true
2931                 boehm_supported=false
2932                 ;;
2933         s390x-*-linux*)
2934                 TARGET=S390X;
2935                 arch_target=s390x;
2936                 ACCESS_UNALIGNED="yes"
2937                 sgen_supported=true
2938                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2939                 ;;
2940 esac
2941
2942 HOST=$TARGET
2943
2944 if test "x$host" != "x$target"; then
2945    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2946    enable_mcs_build=no
2947    case "$target" in
2948    arm*-darwin*)
2949                 TARGET=ARM;
2950                 arch_target=arm;
2951                 ACCESS_UNALIGNED="no"
2952                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2953                 # Can't use tls, since it depends on the runtime detection of tls offsets
2954                 # in mono-compiler.h
2955                 with_tls=pthread
2956                 ;;
2957    powerpc64-ps3-linux-gnu)
2958                 TARGET=POWERPC64
2959                 arch_target=powerpc64
2960                 AC_DEFINE(TARGET_PS3, 1, [...])
2961                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2962                 # uses this define
2963                 AC_DEFINE(__mono_ppc64__, 1, [...])
2964                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2965                 sizeof_register=8
2966                 target_byte_order=G_BIG_ENDIAN
2967                 ;;
2968    powerpc64-xbox360-linux-gnu)
2969                 TARGET=POWERPC64
2970                 arch_target=powerpc64
2971                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2972                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2973                 # uses this define
2974                 sizeof_register=8
2975                 target_byte_order=G_BIG_ENDIAN
2976                 ;;
2977    x86_64-*-nacl)
2978                 TARGET=AMD64
2979                 arch_target=amd64
2980                 AC_DEFINE(TARGET_AMD64, 1, [...])
2981                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2982                 sizeof_register=8
2983                 ;;
2984 # TODO: make proper support for NaCl target.
2985 #   arm*-*nacl)
2986 #               TARGET=ARM
2987 #               arch_target=arm
2988 #               AC_DEFINE(TARGET_ARM, 1, [...])
2989 #               ACCESS_UNALIGNED="no"
2990 #               sizeof_register=4
2991 #               CPPFLAGS="$CPPFLAGS \
2992 #                    -D__ARM_EABI__ \
2993 #                    -D__arm__ \
2994 #                    -D__portable_native_client__ \
2995 #                    -Dtimezone=_timezone \
2996 #                    -DDISABLE_SOCKETS \
2997 #                    -DDISABLE_ATTACH \
2998 #                    -DUSE_NEWLIB"
2999                 # Can't use tls, since it depends on the runtime detection of tls offsets
3000                 # in mono-compiler.h
3001 #               with_tls=pthread
3002 #               ;;
3003    i686-*-nacl)
3004                 TARGET=X86
3005                 arch_target=x86
3006                 AC_DEFINE(TARGET_X86, 1, [...])
3007                 sizeof_register=4
3008                 ;;
3009    arm*-linux-*)
3010                 TARGET=ARM;
3011                 arch_target=arm;
3012                 AC_DEFINE(TARGET_ARM, 1, [...])
3013                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3014                 ACCESS_UNALIGNED="no"
3015                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3016                 # Can't use tls, since it depends on the runtime detection of tls offsets
3017                 # in mono-compiler.h
3018                 with_tls=pthread
3019                 target_mach=no
3020                 case "$target" in
3021                 armv7l-unknown-linux-gnueabi*)
3022                         # TEGRA
3023                         CPPFLAGS="$CPPFLAGS"
3024                         ;;
3025                 armv5-*-linux-androideabi*)
3026                         CPPFLAGS="$CPPFLAGS"
3027                         ;;
3028                 esac
3029                 ;;
3030    i686*-linux-*)
3031                 TARGET=X86;
3032                 arch_target=x86;
3033                 AC_DEFINE(TARGET_X86, 1, [...])
3034                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3035                 CPPFLAGS="$CPPFLAGS"
3036                 sgen_supported=true
3037                 # Can't use tls, since it depends on the runtime detection of tls offsets
3038                 # in mono-compiler.h            
3039                 with_tls=pthread
3040                 target_mach=no
3041                 ;;
3042    aarch64*-linux-*)
3043                 TARGET=ARM64;
3044                 arch_target=arm64;
3045                 AC_DEFINE(TARGET_ARM64, 1, [...])
3046                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3047                 CPPFLAGS="$CPPFLAGS"
3048                 # Can't use tls, since it depends on the runtime detection of tls offsets
3049                 # in mono-compiler.h
3050                 with_tls=pthread
3051                 target_mach=no
3052                 ;;
3053         aarch64-*)
3054                 TARGET=ARM64
3055                 ;;
3056         *)
3057                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3058         esac
3059 fi
3060
3061 case "$TARGET" in
3062 X86)
3063         AC_DEFINE(TARGET_X86, 1, [...])
3064         ;;
3065 AMD64)
3066         AC_DEFINE(TARGET_AMD64, 1, [...])
3067         ;;
3068 ARM)
3069         AC_DEFINE(TARGET_ARM, 1, [...])
3070         ;;
3071 ARM64)
3072         AC_DEFINE(TARGET_ARM64, 1, [...])
3073         ;;
3074 POWERPC)
3075         AC_DEFINE(TARGET_POWERPC, 1, [...])
3076         ;;
3077 POWERPC64)
3078         AC_DEFINE(TARGET_POWERPC, 1, [...])
3079         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3080         ;;
3081 S390X)
3082         AC_DEFINE(TARGET_S390X, 1, [...])
3083         ;;
3084 MIPS)
3085         AC_DEFINE(TARGET_MIPS, 1, [...])
3086         ;;
3087 IA64)
3088         AC_DEFINE(TARGET_IA64, 1, [...])
3089         ;;
3090 SPARC)
3091         AC_DEFINE(TARGET_SPARC, 1, [...])
3092         ;;
3093 SPARC64)
3094         AC_DEFINE(TARGET_SPARC64, 1, [...])
3095         ;;
3096 esac
3097
3098 dnl *************
3099 dnl *** VTUNE ***
3100 dnl *************
3101
3102 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3103 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3104
3105 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3106
3107 if test "x$enable_vtune" = "xyes"; then
3108         if test "x$with_vtune" = "x"; then
3109                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3110         else
3111                 VTUNE_PATH=$with_vtune
3112         fi
3113         VTUNE_INCLUDE=$VTUNE_PATH/include
3114         case "$TARGET" in
3115         X86)
3116                 VTUNE_LIB=$VTUNE_PATH/lib32
3117                 ;;
3118         AMD64)
3119                 VTUNE_LIB=$VTUNE_PATH/lib64
3120                 ;;
3121         *)
3122                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3123                 ;;
3124         esac
3125         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3126                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3127         fi
3128         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3129                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3130         fi
3131
3132         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3133         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3134
3135         AC_SUBST(VTUNE_LIBS)
3136         AC_SUBST(VTUNE_CFLAGS)
3137 fi
3138 dnl Use GCC atomic ops if they work on the target.
3139 if test x$GCC = "xyes"; then
3140         case $TARGET in
3141         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3142                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3143                 ;;
3144         esac
3145 fi
3146
3147 if test "x$target_mach" = "xyes"; then
3148    if test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3149           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3150           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3151           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3152    else
3153        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3154        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3155        #error fail this for ios
3156        #endif
3157        return 0;
3158        ], [
3159                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3160           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3161           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3162        ], [
3163           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3164           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3165           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3166        ])
3167         fi
3168    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3169 fi
3170
3171 if test "x$sizeof_register" = "x4"; then
3172    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3173 elif test "x$sizeof_register" = "x8"; then
3174    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3175 else
3176    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3177 fi
3178
3179 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3180    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3181 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3182    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3183 else
3184    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3185 fi
3186
3187 if test "x$have_visibility_hidden" = "xyes"; then
3188    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3189 fi
3190
3191 if test "x$have_deprecated" = "xyes"; then
3192    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3193 fi
3194
3195 dnl 
3196 dnl Simple Generational checks (sgen)
3197 dnl
3198 if $sgen_supported; then
3199    build_sgen_default=yes
3200 else
3201    build_sgen_default=no
3202 fi
3203 SGEN_DEFINES=
3204 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
3205 if test x$buildsgen = xyes; then
3206    if $sgen_supported; then
3207        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
3208        gc_msg="sgen and $gc_msg"
3209    else
3210        buildsgen=no
3211        AC_MSG_WARN("Sgen is not supported on this platform")
3212    fi
3213 fi
3214 AC_SUBST(SGEN_DEFINES)
3215 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3216
3217 jit_status="Building and using the JIT"
3218
3219 libsuffix=".so"
3220
3221 case "$host" in
3222      *-*-darwin*)
3223         libsuffix=".dylib"
3224         LIBC="libc.dylib"
3225         INTL="libintl.dylib"
3226         SQLITE="libsqlite.0.dylib"
3227         SQLITE3="libsqlite3.0.dylib"
3228         X11="libX11.dylib"
3229         GDKX11="libgdk-x11-2.0.dylib"
3230         GTKX11="libgtk-x11-2.0.dylib"
3231         ;;
3232      *-*-*netbsd*)
3233         LIBC="libc.so.12"
3234         INTL="libintl.so.0"
3235         ;;
3236      *-*-kfreebsd*-gnu)
3237         LIBC="libc.so.0.1"
3238         INTL="libc.so.0.1"
3239         X11="libX11.so.6"
3240         ;;
3241     *-*-*freebsd*)
3242         LIBC="libc.so"
3243         INTL="libintl.so"
3244         SQLITE="libsqlite.so"
3245         SQLITE3="libsqlite3.so"
3246         ;;
3247     *-*-*openbsd*)
3248         LIBC="libc.so"
3249         INTL="libintl.so"
3250         SQLITE="libsqlite.so"
3251         SQLITE3="libsqlite3.so"
3252         ;;
3253     *-*-*linux*)
3254         AC_PATH_X
3255         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3256         AC_MSG_CHECKING(for the soname of libX11.so)
3257         for i in $x_libraries $dlsearch_path; do
3258                 for r in 4 5 6; do
3259                         if test -f $i/libX11.so.$r; then
3260                                 X11=libX11.so.$r
3261                                 AC_MSG_RESULT($X11)
3262                         fi
3263                 done
3264         done
3265         
3266         if test "x$X11" = "xlibX11.so"; then
3267                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3268                 X11=libX11.so.6
3269         fi
3270         ;;
3271 esac
3272
3273
3274 AC_SUBST(libsuffix)
3275
3276 AC_ARG_WITH([libgdiplus],
3277         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3278         [], [with_libgdiplus=installed])
3279
3280 # default install location
3281 libgdiplus_install_loc=libgdiplus${libsuffix}
3282 case $with_libgdiplus in
3283     no|installed)
3284     libgdiplus_loc=
3285     ;;
3286
3287     yes|sibling)
3288     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3289     ;;
3290
3291     /*) # absolute path, assume it is an install location
3292     libgdiplus_loc=$with_libgdiplus
3293     libgdiplus_install_loc=$with_libgdiplus
3294     ;;
3295
3296     *)
3297     libgdiplus_loc=`pwd`/$with_libgdiplus
3298     ;;
3299 esac
3300 AC_SUBST([libgdiplus_loc])
3301 AC_SUBST([libgdiplus_install_loc])
3302
3303 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3304 if test "x$icall_symbol_map" = "xyes"; then
3305    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3306 fi
3307
3308 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3309 if test "x$icall_export" = "xyes"; then
3310    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3311 fi
3312
3313 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3314 if test "x$icall_tables" = "xno"; then
3315    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3316 fi
3317
3318 if test "x$with_tls" = "x__thread"; then
3319         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3320         # Pass the information to libgc
3321         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3322         AC_MSG_CHECKING(if the tls_model attribute is supported)
3323         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3324                 ], [
3325                         AC_MSG_RESULT(yes)
3326                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3327                 ], [
3328                         AC_MSG_RESULT(no)
3329         ])
3330 fi
3331
3332 if test ${TARGET} = ARM; then
3333         dnl ******************************************
3334         dnl *** Check to see what FPU is available ***
3335         dnl ******************************************
3336         AC_MSG_CHECKING(which FPU to use)
3337
3338         #
3339         # This is a bit tricky:
3340         #
3341         # if (__ARM_PCS_VFP) {
3342         #       /* mfloat-abi=hard == VFP with hard ABI */
3343         # } elif (!__SOFTFP__) {
3344         #       /* mfloat-abi=softfp == VFP with soft ABI */
3345         # } else {
3346         #       /* mfloat-abi=soft == no VFP */
3347         # }
3348         #
3349         # The exception is iOS (w/ GCC) where none of the above
3350         # are defined (but iOS always uses the 'softfp' ABI).
3351         #
3352         # No support for FPA.
3353         #
3354
3355         fpu=NONE
3356
3357         # iOS GCC always uses the 'softfp' ABI.
3358         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3359                 fpu=VFP
3360         fi
3361
3362         # Are we using the 'hard' ABI?
3363         if test x$fpu = xNONE; then
3364                 AC_TRY_COMPILE([], [
3365                         #ifndef __ARM_PCS_VFP
3366                         #error "Float ABI is not 'hard'"
3367                         #endif
3368                         return 0;
3369                 ], [
3370                         fpu=VFP_HARD
3371                 ], [
3372                         fpu=NONE
3373                 ])
3374         fi
3375
3376         # No 'hard' ABI. 'soft' or 'softfp'?
3377         if test x$fpu = xNONE; then
3378                 AC_TRY_COMPILE([], [
3379                         #ifdef __SOFTFP__
3380                         #error "Float ABI is not 'softfp'"
3381                         #endif
3382                         return 0;
3383                 ], [
3384                         fpu=VFP
3385                 ], [
3386                         fpu=NONE
3387                 ])
3388         fi
3389
3390         AC_MSG_RESULT($fpu)
3391         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3392         unset fpu
3393
3394         dnl *********************************************
3395         dnl *** Check which ARM version(s) we can use ***
3396         dnl *********************************************
3397         AC_MSG_CHECKING(which ARM version to use)
3398
3399         AC_TRY_COMPILE([], [
3400                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3401                 #error Not on ARM v5.
3402                 #endif
3403                 return 0;
3404         ], [
3405                 arm_v5=yes
3406
3407                 arm_ver=ARMv5
3408         ], [])
3409
3410         AC_TRY_COMPILE([], [
3411                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3412                 #error Not on ARM v6.
3413                 #endif
3414                 return 0;
3415         ], [
3416                 arm_v5=yes
3417                 arm_v6=yes
3418
3419                 arm_ver=ARMv6
3420         ], [])
3421
3422         AC_TRY_COMPILE([], [
3423                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3424                 #error Not on ARM v7.
3425                 #endif
3426                 return 0;
3427         ], [
3428                 arm_v5=yes
3429                 arm_v6=yes
3430                 arm_v7=yes
3431
3432                 arm_ver=ARMv7
3433         ], [])
3434
3435         AC_MSG_RESULT($arm_ver)
3436
3437         if test x$arm_v5 = xyes; then
3438                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3439                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3440         fi
3441
3442         if test x$arm_v6 = xyes; then
3443                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3444                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3445         fi
3446
3447         if test x$arm_v7 = xyes; then
3448                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3449                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3450         fi
3451 fi
3452
3453 if test ${TARGET} = ARM; then
3454         if test "x${with_jumptables}" = "xyes"; then
3455                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3456         fi
3457 fi
3458
3459 if test ${TARGET} = unknown; then
3460         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3461         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3462 fi
3463
3464 if test ${ACCESS_UNALIGNED} = no; then
3465         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3466 fi
3467
3468 case "x$libgc" in
3469         xincluded)
3470                 # Pass CPPFLAGS to libgc configure
3471                 # We should use a separate variable for this to avoid passing useless and
3472                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3473                 # This should be executed late so we pick up the final version of CPPFLAGS
3474                 # The problem with this approach, is that during a reconfigure, the main
3475                 # configure scripts gets invoked with these arguments, so we use separate
3476                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3477                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3478                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3479                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3480                 fi
3481                 # Don't pass -finstrument-for-thread-suspension in, 
3482                 # if these are instrumented it will be very bad news 
3483                 # (infinite recursion, undefined parking behavior, etc)
3484                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3485                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3486                 if test "x$support_boehm" = "xyes"; then
3487                         AC_CONFIG_SUBDIRS(libgc)
3488                 fi
3489                 ;;
3490 esac
3491
3492 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])
3493 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3494 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3495 AC_ARG_WITH(xammac,    [  --with-xammac=yes,no,only       If you want to build the Xamarin.Mac assemblies (defaults to no)],   [], [with_xammac=no])
3496
3497 OPROFILE=no
3498 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3499         if test x$with_oprofile != xno; then
3500             oprofile_include=$with_oprofile/include
3501             if test ! -f $oprofile_include/opagent.h; then
3502                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3503                 fi
3504             OPROFILE=yes
3505                 OPROFILE_CFLAGS="-I$oprofile_include"
3506             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3507             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3508         fi
3509 ])
3510
3511 MALLOC_MEMPOOLS=no
3512 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3513         if test x$with_malloc_mempools = xyes; then
3514                 MALLOC_MEMPOOLS=yes
3515                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3516         fi
3517 ])
3518
3519
3520 DISABLE_MCS_DOCS=no
3521 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3522         if test x$with_mcs_docs != xyes; then
3523                 DISABLE_MCS_DOCS=yes
3524         fi
3525 ])
3526 if test x$with_profile4_5 != xyes; then
3527         DISABLE_MCS_DOCS=yes
3528 fi
3529
3530 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)],[
3531         if test x$with_lazy_gc_thread_creation != xno ; then
3532                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3533         fi
3534 ], [with_lazy_gc_thread_creation=no])
3535
3536 AC_CHECK_HEADER([malloc.h], 
3537                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3538                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3539
3540 if test x"$GCC" = xyes; then
3541         # Implicit function declarations are not 64 bit safe
3542         # Do this late, since this causes lots of configure tests to fail
3543         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3544         # jay has a lot of implicit declarations
3545         JAY_CFLAGS="-Wno-implicit-function-declaration"
3546 fi
3547
3548 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3549 # instead of libmono-static.a
3550 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3551    LIBMONO_LA=libmini-static.la
3552 else
3553    if test x$buildsgen = xyes; then
3554       LIBMONO_LA=libmonosgen-$API_VER.la
3555    else
3556       LIBMONO_LA=libmonoboehm-$API_VER.la
3557    fi
3558 fi
3559 AC_SUBST(LIBMONO_LA)
3560
3561 dnl
3562 dnl Consistency settings
3563 dnl
3564 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3565    DISABLE_MCS_DOCS=yes
3566    with_profile4_5=no
3567    with_monodroid=no
3568    with_monotouch=no
3569    with_xammac=no
3570 fi
3571
3572 if test x$DISABLE_MCS_DOCS = xyes; then
3573    docs_dir=""
3574 else
3575    docs_dir=docs
3576 fi
3577 AC_SUBST(docs_dir)
3578
3579 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3580 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3581
3582 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3583 AC_SUBST(OPROFILE_CFLAGS)
3584 AC_SUBST(OPROFILE_LIBS)
3585
3586 libmono_ldflags="$libmono_ldflags $LIBS"
3587
3588 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3589 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3590 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3591 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3592 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3593 AM_CONDITIONAL(ONLY_XAMMAC, [test "x$with_xammac" = "xonly"])
3594
3595 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3596 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3597 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3598 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3599 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3600 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3601 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3602 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3603 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3604 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3605 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3606 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3607 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3608 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3609 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3610 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3611 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3612 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3613
3614 AM_CONDITIONAL(INCLUDED_LIBGC, test x$libgc = xincluded)
3615
3616 AC_SUBST(LIBC)
3617 AC_SUBST(INTL)
3618 AC_SUBST(SQLITE)
3619 AC_SUBST(SQLITE3)
3620 AC_SUBST(X11)
3621 AC_SUBST(GDKX11)
3622 AC_SUBST(GTKX11)
3623 AC_SUBST(XINERAMA)
3624 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3625 AC_SUBST(arch_target)
3626 AC_SUBST(CFLAGS)
3627 AC_SUBST(CPPFLAGS)
3628 AC_SUBST(LDFLAGS)
3629
3630 mono_build_root=`pwd`
3631 AC_SUBST(mono_build_root)
3632
3633 mono_runtime=mono/mini/mono
3634 AC_SUBST(mono_runtime)
3635
3636 mono_cfg_root=$mono_build_root/runtime
3637 if test x$host_win32 = xyes; then
3638   if test "x$cross_compiling" = "xno"; then
3639     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3640   else
3641     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3642   fi
3643 else
3644   mono_cfg_dir=$mono_cfg_root/etc
3645 fi
3646 AC_SUBST(mono_cfg_dir)
3647
3648 AC_CONFIG_FILES([po/mcs/Makefile.in])
3649
3650 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3651 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3652
3653 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3654 [   depth=../../../..
3655     case $srcdir in
3656     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3657     .) reldir=$depth ;;
3658     *) reldir=$depth/$srcdir ;;
3659     esac
3660     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3661     cd runtime/etc/mono/1.0
3662     rm -f machine.config
3663     $LN_S $reldir/data/net_1_1/machine.config machine.config
3664     cd $depth
3665 ],[LN_S='$LN_S'])
3666
3667 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3668 [   depth=../../../..
3669     case $srcdir in
3670     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3671     .) reldir=$depth ;;
3672     *) reldir=$depth/$srcdir ;;
3673     esac
3674     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3675     cd runtime/etc/mono/2.0
3676     rm -f machine.config
3677     $LN_S $reldir/data/net_2_0/machine.config machine.config
3678     cd $depth
3679 ],[LN_S='$LN_S'])
3680
3681 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3682 [   depth=../../../..
3683     case $srcdir in
3684     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3685     .) reldir=$depth ;;
3686     *) reldir=$depth/$srcdir ;;
3687     esac
3688     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3689     cd runtime/etc/mono/2.0
3690     rm -f web.config
3691     $LN_S $reldir/data/net_2_0/web.config web.config
3692     cd $depth
3693 ],[LN_S='$LN_S'])
3694
3695 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3696 [   depth=../../..
3697     case $srcdir in
3698     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3699     .) reldir=$depth ;;
3700     *) reldir=$depth/$srcdir ;;
3701     esac
3702     $ac_aux_dir/install-sh -d runtime/etc/mono/
3703     cd runtime/etc/mono/
3704     rm -f browscap.ini
3705     $LN_S $reldir/data/browscap.ini browscap.ini
3706     cd $depth
3707 ],[LN_S='$LN_S'])
3708
3709 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3710 [   depth=../../../../..
3711     case $srcdir in
3712     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3713     .) reldir=$depth ;;
3714     *) reldir=$depth/$srcdir ;;
3715     esac
3716     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3717     cd runtime/etc/mono/2.0/Browsers
3718     rm -f Compat.browser
3719     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3720     cd $depth
3721 ],[LN_S='$LN_S'])
3722
3723 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3724 [   depth=../../../../..
3725     case $srcdir in
3726     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3727     .) reldir=$depth ;;
3728     *) reldir=$depth/$srcdir ;;
3729     esac
3730     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3731     cd runtime/etc/mono/4.0/Browsers
3732     rm -f Compat.browser
3733     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3734     cd $depth
3735 ],[LN_S='$LN_S'])
3736
3737 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3738 [   depth=../../../../..
3739     case $srcdir in
3740     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3741     .) reldir=$depth ;;
3742     *) reldir=$depth/$srcdir ;;
3743     esac
3744     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3745     cd runtime/etc/mono/4.5/Browsers
3746     rm -f Compat.browser
3747     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3748     cd $depth
3749 ],[LN_S='$LN_S'])
3750
3751 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3752 [   depth=../../../..
3753     case $srcdir in
3754     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3755     .) reldir=$depth ;;
3756     *) reldir=$depth/$srcdir ;;
3757     esac
3758     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3759     cd runtime/etc/mono/4.0
3760     rm -f machine.config
3761     $LN_S $reldir/data/net_4_0/machine.config machine.config
3762     cd $depth
3763 ],[LN_S='$LN_S'])
3764
3765 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3766 [   depth=../../../..
3767     case $srcdir in
3768     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3769     .) reldir=$depth ;;
3770     *) reldir=$depth/$srcdir ;;
3771     esac
3772     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3773     cd runtime/etc/mono/4.0
3774     rm -f web.config
3775     $LN_S $reldir/data/net_4_0/web.config web.config
3776     cd $depth
3777 ],[LN_S='$LN_S'])
3778
3779 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3780 [   depth=../../../..
3781     case $srcdir in
3782     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3783     .) reldir=$depth ;;
3784     *) reldir=$depth/$srcdir ;;
3785     esac
3786     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3787     cd runtime/etc/mono/4.5
3788     rm -f machine.config
3789     $LN_S $reldir/data/net_4_5/machine.config machine.config
3790     cd $depth
3791 ],[LN_S='$LN_S'])
3792
3793 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3794 [   depth=../../../..
3795     case $srcdir in
3796     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3797     .) reldir=$depth ;;
3798     *) reldir=$depth/$srcdir ;;
3799     esac
3800     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3801     cd runtime/etc/mono/4.5
3802     rm -f web.config
3803     $LN_S $reldir/data/net_4_5/web.config web.config
3804     cd $depth
3805 ],[LN_S='$LN_S'])
3806
3807 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])
3808
3809 AC_OUTPUT([
3810 Makefile
3811 mono-core.spec
3812 mono-uninstalled.pc
3813 scripts/mono-find-provides
3814 scripts/mono-find-requires
3815 mono/Makefile
3816 mono/utils/Makefile
3817 mono/metadata/Makefile
3818 mono/dis/Makefile
3819 mono/cil/Makefile
3820 mono/arch/Makefile
3821 mono/arch/x86/Makefile
3822 mono/arch/amd64/Makefile
3823 mono/arch/ppc/Makefile
3824 mono/arch/sparc/Makefile
3825 mono/arch/s390x/Makefile
3826 mono/arch/arm/Makefile
3827 mono/arch/arm64/Makefile
3828 mono/arch/ia64/Makefile
3829 mono/arch/mips/Makefile
3830 mono/tests/Makefile
3831 mono/tests/tests-config
3832 mono/tests/assemblyresolve/Makefile
3833 mono/tests/cas/Makefile
3834 mono/tests/cas/assembly/Makefile
3835 mono/tests/cas/demand/Makefile
3836 mono/tests/cas/inheritance/Makefile
3837 mono/tests/cas/linkdemand/Makefile
3838 mono/tests/cas/threads/Makefile
3839 mono/tests/gc-descriptors/Makefile
3840 mono/unit-tests/Makefile
3841 mono/benchmark/Makefile
3842 mono/io-layer/Makefile
3843 mono/mini/Makefile
3844 mono/profiler/Makefile
3845 m4/Makefile
3846 ikvm-native/Makefile
3847 scripts/Makefile
3848 man/Makefile
3849 docs/Makefile
3850 data/Makefile
3851 data/net_2_0/Makefile
3852 data/net_4_0/Makefile
3853 data/net_4_5/Makefile
3854 data/net_2_0/Browsers/Makefile
3855 data/net_4_0/Browsers/Makefile
3856 data/net_4_5/Browsers/Makefile
3857 data/mint.pc
3858 data/mono-2.pc
3859 data/monosgen-2.pc
3860 data/mono.pc
3861 data/mono-cairo.pc
3862 data/mono-nunit.pc
3863 data/mono-options.pc
3864 data/mono-lineeditor.pc
3865 data/monodoc.pc
3866 data/dotnet.pc
3867 data/dotnet35.pc
3868 data/wcf.pc
3869 data/cecil.pc
3870 data/system.web.extensions_1.0.pc
3871 data/system.web.extensions.design_1.0.pc
3872 data/system.web.mvc.pc
3873 data/system.web.mvc2.pc
3874 data/system.web.mvc3.pc
3875 data/aspnetwebstack.pc
3876 data/reactive.pc
3877 samples/Makefile
3878 support/Makefile
3879 data/config
3880 tools/Makefile
3881 tools/locale-builder/Makefile
3882 tools/sgen/Makefile
3883 tools/monograph/Makefile
3884 runtime/Makefile
3885 msvc/Makefile
3886 po/Makefile
3887 ])
3888
3889 # Update all submodules recursively to ensure everything is checked out
3890 $srcdir/scripts/update_submodules
3891
3892 if test x$host_win32 = xyes; then
3893    # Get rid of 'cyg' prefixes in library names
3894    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3895    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3896    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3897    # executable doesn't work...
3898    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3899 fi
3900
3901 if test x$platform_darwin = xyes; then
3902    # This doesn't seem to be required and it slows down parallel builds
3903    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3904 fi
3905
3906 (
3907   case $prefix in
3908   NONE) prefix=$ac_default_prefix ;;
3909   esac
3910   case $exec_prefix in
3911   NONE) exec_prefix='${prefix}' ;;
3912   esac
3913
3914   #
3915   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3916   # any existing config.make.  This allows people to share the same source tree
3917   # with different build directories, one native and one cross
3918   #
3919   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3920
3921     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3922
3923     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3924     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3925     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3926     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3927     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3928     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3929     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3930     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3931
3932     case $INSTALL in
3933     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3934     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3935     esac
3936
3937     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3938
3939     export VERSION
3940     [myver=$($AWK 'BEGIN {
3941       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3942       if(length(vsplit [1]) > 4) {
3943         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3944       }
3945       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3946     }')]
3947
3948     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3949
3950     if test x$platform_darwin = xyes; then
3951       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3952     fi
3953
3954         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3955            enable_system_aot=yes
3956         fi
3957
3958     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3959       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3960     fi
3961
3962     if test x$DISABLE_MCS_DOCS = xyes; then
3963       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3964     fi
3965
3966     if test x$has_extension_module != xno; then
3967         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3968     fi
3969
3970         default_profile=net_4_5
3971     if test -z "$INSTALL_MONODROID_TRUE"; then :
3972                 default_profile=monodroid
3973     fi
3974     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3975                 default_profile=monotouch
3976     fi
3977         if test -z "$INSTALL_XAMMAC_TRUE"; then :
3978                 default_profile=xammac
3979         fi
3980     if test -z "$INSTALL_4_5_TRUE"; then :
3981                 default_profile=net_4_5
3982     fi
3983     
3984     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3985     
3986     if test "x$test_bcl_opt" = "xyes"; then    
3987       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3988     fi
3989
3990   fi
3991
3992   # if we have an olive folder, override the default settings
3993   if test -d $olivedir; then
3994
3995     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3996
3997       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3998
3999       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
4000       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
4001       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
4002       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
4003       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
4004       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
4005     fi
4006   fi
4007
4008 )
4009
4010 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4011
4012 echo "
4013         mcs source:    $mcsdir
4014
4015    Engine:
4016         Host:          $host
4017         Target:        $target
4018         GC:            $gc_msg 
4019         TLS:           $with_tls
4020         SIGALTSTACK:   $with_sigaltstack
4021         Engine:        $jit_status
4022         oprofile:      $OPROFILE
4023         BigArrays:     $enable_big_arrays
4024         DTrace:        $enable_dtrace
4025         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4026
4027    Libraries:
4028         .NET 4.5:      $with_profile4_5
4029         MonoDroid:     $with_monodroid
4030         MonoTouch:     $with_monotouch
4031         Xamarin.Mac:   $with_xammac
4032         JNI support:   $jdk_headers_found
4033         libgdiplus:    $libgdiplus_msg
4034         zlib:          $zlib_msg
4035         $disabled
4036 "
4037 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4038    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4039 fi