[DataContractJsonSerializer] Allow abstract base classes in lists. Fixes #26998
[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, [4.1.0],
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_HEADERS(linux/serial.h)
458
459 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
460 if test x$have_zlib = xyes; then
461    AC_TRY_COMPILE([#include <zlib.h>], [
462    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
463    return 0;
464    #else
465    #error No good zlib found
466    #endif
467    ],[
468         AC_MSG_RESULT(Using system zlib)
469         zlib_msg="system zlib"
470         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
471    ],[
472         AC_MSG_RESULT(Using embedded zlib)
473         have_zlib=no
474         zlib_msg="bundled zlib"
475    ])
476 fi
477
478 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
479 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
480
481 # for mono/metadata/debug-symfile.c
482 AC_CHECK_HEADERS(elf.h)
483
484 # for support
485 AC_CHECK_HEADERS(poll.h)
486 AC_CHECK_HEADERS(sys/poll.h)
487 AC_CHECK_HEADERS(sys/wait.h)
488 AC_CHECK_HEADERS(grp.h)
489 AC_CHECK_HEADERS(syslog.h)
490
491 # for mono/dis
492 AC_CHECK_HEADERS(wchar.h)
493 AC_CHECK_HEADERS(ieeefp.h)
494 AC_MSG_CHECKING(for isinf)
495 AC_TRY_LINK([#include <math.h>], [
496         int f = isinf (1.0);
497 ], [
498         AC_MSG_RESULT(yes)
499         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
500 ], [
501         # We'll have to use signals
502         AC_MSG_RESULT(no)
503 ])
504 # mingw
505 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
506         AC_TRY_LINK([#include <math.h>], 
507         [ _finite(0.0); ], 
508         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
509         AC_MSG_RESULT(no)))
510
511 # for Linux statfs support
512 AC_CHECK_HEADERS(linux/magic.h)
513
514 # not 64 bit clean in cross-compile
515 AC_CHECK_SIZEOF(void *, 4)
516
517 AC_CACHE_CHECK([for clang],
518         mono_cv_clang,[
519         AC_TRY_COMPILE([], [
520                 #ifdef __clang__
521                 #else
522                 #error "FAILED"
523                 #endif
524                 return 0;
525         ],
526         [mono_cv_clang=yes],
527         [mono_cv_clang=no],
528         [])
529 ])
530
531 AC_ARG_ENABLE(visiblity-hidden,
532 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden]
533    disable_visibility_hidden=no, disable_visibility_hidden=yes)
534
535 WARN=''
536 if test x"$GCC" = xyes; then
537         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
538
539                 # We require C99 with some GNU extensions, e.g. `linux` macro
540                 CFLAGS="$CFLAGS -std=gnu99"
541
542                 # The runtime code does not respect ANSI C strict aliasing rules
543                 CFLAGS="$CFLAGS -fno-strict-aliasing"
544
545                 # We rely on signed overflow to behave
546                 CFLAGS="$CFLAGS -fwrapv"
547
548                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
549                 if test x"$disable_visibility_hidden" = xno; then
550                    # Don't export any symbols by default
551                    SHARED_CFLAGS="-fvisibility=hidden"
552                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
553                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
554                 fi
555
556                 ORIG_CFLAGS=$CFLAGS
557                 # Check for the normal version, since gcc ignores unknown -Wno options
558                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
559                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
560                 AC_TRY_COMPILE([],[
561                                 return 0;
562                 ], [
563                    AC_MSG_RESULT(yes)
564                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
565                 ], [
566                    AC_MSG_RESULT(no)
567                    CFLAGS=$ORIG_CFLAGS
568                 ])
569
570                 if test "x$mono_cv_clang" = "xyes"; then
571                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
572                    WARN="$WARN -Qunused-arguments"
573                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign"
574                 fi
575 else
576         # The Sun Forte compiler complains about inline functions that access static variables
577         # so disable all inlining.
578         case "$host" in
579         *-*-solaris*)
580                 CFLAGS="$CFLAGS -Dinline="
581                 ;;
582         esac
583 fi
584 CFLAGS="$CFLAGS -g $WARN"
585 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
586 CPPFLAGS="$CPPFLAGS -g $WARN"
587
588 # Where's the 'mcs' source tree?
589 if test -d $srcdir/mcs; then
590   mcsdir=mcs
591 else
592   mcsdir=../mcs
593 fi
594
595 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
596         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
597                 mcsdir=$with_mcs_path
598         fi
599 )
600
601 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
602
603 #
604 # A sanity check to catch cases where the package was unpacked
605 # with an ancient tar program (Solaris)
606 #
607 AC_ARG_ENABLE(solaris-tar-check,
608 [  --disable-solaris-tar-check    disable solaris tar check],
609    do_solaris_tar_check=no, do_solaris_tar_check=yes)
610
611 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
612         AC_MSG_CHECKING(integrity of package)
613         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
614         then
615                 AC_MSG_RESULT(ok)
616         else
617                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
618                 AC_MSG_ERROR([$errorm])
619         fi
620 fi
621
622 if test "x$with_mcs_path" != "x"; then
623 mcs_topdir=$(cd "$mcsdir" && pwd)
624 mcs_topdir_from_srcdir=$mcs_topdir
625 else
626 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
627 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
628 fi
629
630 # Convert mcs_topdir* paths to Windows syntax.
631 if test x$cross_compiling$host_win32 = xnoyes; then
632   mcs_topdir=$(cygpath -m $mcs_topdir)
633   case $mcs_topdir_from_srcdir in
634     /cygdrive/*)
635         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
636         ;;
637   esac
638 fi
639
640 AC_SUBST([mcs_topdir])
641 AC_SUBST([mcs_topdir_from_srcdir])
642
643 # Where's the 'olive' source tree?
644 if test -d $srcdir/olive; then
645   olivedir=olive
646 else
647   olivedir=../olive
648 fi
649
650 if test -d $srcdir/$olivedir; then
651 olive_topdir='$(top_srcdir)/'$olivedir
652 fi
653
654 # gettext: prepare the translation directories. 
655 # we do not configure the full gettext, as we consume it dynamically from C#
656 AM_PO_SUBDIRS
657
658 if test "x$USE_NLS" = "xyes"; then
659    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
660
661    if test "x$HAVE_MSGFMT" = "xno"; then
662           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
663    fi
664 fi
665
666 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
667
668 pkg_config_path=
669 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
670         if test x$with_crosspkgdir = "x"; then
671                 if test -s $PKG_CONFIG_PATH; then
672                         pkg_config_path=$PKG_CONFIG_PATH
673                 fi
674         else
675                 pkg_config_path=$with_crosspkgdir
676                 PKG_CONFIG_PATH=$pkg_config_path
677                 export PKG_CONFIG_PATH
678         fi
679 )
680
681 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
682 if test x$werror_flag = xyes; then
683         WERROR_CFLAGS="-Werror"
684 fi
685 AC_SUBST([WERROR_CFLAGS])
686 AC_SUBST([SHARED_CFLAGS])
687
688 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
689 AC_CONFIG_SUBDIRS(eglib)
690
691 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
692 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
693 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
694 BUILD_GLIB_LIBS="$GLIB_LIBS"
695 GMODULE_CFLAGS="$GLIB_CFLAGS"
696 GMODULE_LIBS="$GLIB_LIBS"
697   
698 AC_SUBST(GLIB_CFLAGS)
699 AC_SUBST(GLIB_LIBS)
700 AC_SUBST(GMODULE_CFLAGS)
701 AC_SUBST(GMODULE_LIBS)
702 AC_SUBST(BUILD_GLIB_CFLAGS)
703 AC_SUBST(BUILD_GLIB_LIBS)
704
705 # Enable support for fast thread-local storage
706 # Some systems have broken support, so we allow to disable it.
707 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
708
709 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
710 # This does not work on some platforms (bug #55253)
711 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
712
713 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
714 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
715 # Same as --with-shared_mono=no
716 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
717
718 if test "x$enable_static" = "xno"; then
719    with_static_mono=no
720 fi
721
722 if test "x$enable_shared" = "xno"; then
723    with_shared_mono=no
724 fi
725
726 if test "x$enable_libraries" = "xno"; then
727    with_shared_mono=no
728 fi
729
730 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
731
732 case $host in
733 *nacl* ) with_shared_mono=yes;;
734 esac
735
736 if test "x$host_win32" = "xyes"; then
737    # Boehm GC requires the runtime to be in its own dll
738    with_static_mono=no
739 fi
740
741 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
742 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
743 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
744
745 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
746 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
747         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
748         ORIG_CFLAGS=$CFLAGS
749         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
750         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
751         AC_TRY_COMPILE([], [
752                 return 0;
753         ], [
754            AC_MSG_RESULT(yes)
755            # Pass it to libgc as well
756            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
757         ], [
758            AC_MSG_RESULT(no)
759            CFLAGS=$ORIG_CFLAGS
760         ])
761 fi
762
763 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
764
765 if test x$enable_small_config = xyes; then
766         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
767         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
768 fi
769
770 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=$enableval, enable_system_aot=default)
771
772 DISABLED_FEATURES=none
773
774 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
775      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
776      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
777          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying, shared_handles.],
778 [
779         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
780                 eval "mono_feature_disable_$feature='yes'"
781         done
782         DISABLED_FEATURES=$enable_minimal
783         disabled="Disabled:      $enable_minimal"
784 ],[])
785
786 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
787
788 if test "x$mono_feature_disable_aot" = "xyes"; then
789         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
790         AC_MSG_NOTICE([Disabled AOT compiler])
791 fi
792
793 if test "x$mono_feature_disable_profiler" = "xyes"; then
794         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
795         AC_MSG_NOTICE([Disabled support for the profiler])
796 fi
797 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
798
799 if test "x$mono_feature_disable_decimal" = "xyes"; then
800         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
801         AC_MSG_NOTICE([Disabled support for decimal])
802 fi
803
804 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
805         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
806         AC_MSG_NOTICE([Disabled support for P/Invoke])
807 fi
808
809 if test "x$mono_feature_disable_debug" = "xyes"; then
810         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
811         AC_MSG_NOTICE([Disabled support for runtime debugging])
812 fi
813
814 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
815         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
816         mono_feature_disable_reflection_emit_save=yes
817         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
818 fi
819
820 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
821         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
822         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
823 fi
824
825 if test "x$mono_feature_disable_large_code" = "xyes"; then
826         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
827         AC_MSG_NOTICE([Disabled support for large assemblies])
828 fi
829
830 if test "x$mono_feature_disable_logging" = "xyes"; then
831         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
832         AC_MSG_NOTICE([Disabled support for logging])
833 fi
834
835 if test "x$mono_feature_disable_com" = "xyes"; then
836         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
837         AC_MSG_NOTICE([Disabled COM support])
838 fi
839
840 if test "x$mono_feature_disable_ssa" = "xyes"; then
841         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
842         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
843 fi
844
845 if test "x$mono_feature_disable_generics" = "xyes"; then
846         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
847         AC_MSG_NOTICE([Disabled Generics Support])
848 fi
849
850 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
851         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
852         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
853 fi
854
855 if test "x$mono_feature_disable_portability" = "xyes"; then
856         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
857         AC_MSG_NOTICE([Disabled IO Portability layer])
858 fi
859
860 if test "x$mono_feature_disable_attach" = "xyes"; then
861         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
862         AC_MSG_NOTICE([Disabled agent attach])
863 fi
864
865 if test "x$mono_feature_disable_full_messages" = "xyes"; then
866         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
867         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
868 fi
869
870 if test "x$mono_feature_disable_verifier" = "xyes"; then
871         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
872         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
873 fi
874
875 if test "x$mono_feature_disable_jit" = "xyes"; then
876         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
877         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
878 fi
879
880 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
881
882 if test "x$mono_feature_disable_simd" = "xyes"; then
883         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
884         AC_MSG_NOTICE([Disabled SIMD support])
885 fi
886
887 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
888         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
889         AC_MSG_NOTICE([Disabled Soft Debugger.])
890 fi
891
892 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
893         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
894         AC_MSG_NOTICE([Disabled Performance Counters.])
895 fi
896 if test "x$mono_feature_disable_normalization" = "xyes"; then
897         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
898         AC_MSG_NOTICE([Disabled String normalization support.])
899 fi
900
901 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
902         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
903         AC_MSG_NOTICE([Disabled Assembly remapping.])
904 fi
905
906 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
907         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
908         AC_MSG_NOTICE([Disabled Shared perfcounters.])
909 fi
910
911 if test "x$mono_feature_disable_appdomains" = "xyes"; then
912         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
913         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
914 fi
915
916 if test "x$mono_feature_disable_remoting" = "xyes"; then
917         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
918         AC_MSG_NOTICE([Disabled remoting])
919 fi
920
921 if test "x$mono_feature_disable_security" = "xyes"; then
922         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
923         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
924 fi
925
926 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
927         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
928         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
929 fi
930
931 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
932         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
933         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
934 fi
935
936 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
937         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
938         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
939 fi
940
941 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
942         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
943         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
944 fi
945
946 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
947         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
948         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
949 fi
950
951 if test "x$mono_feature_disable_shared_handles" = "xyes"; then
952         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
953         AC_SUBST(DISABLE_SHARED_HANDLES)
954 fi
955
956 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
957 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
958
959 has_extension_module=no
960 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
961 [
962         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
963                 if test x$extension = xdefault ; then
964                         has_extension_module=yes;
965                 fi
966         done
967         if test x$enable_extension_module = xyes; then
968                 has_extension_module=yes;
969         fi
970 ], [])
971
972 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
973
974 if test x$has_extension_module != xno ; then
975         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
976         AC_MSG_NOTICE([Enabling mono extension module.])
977 fi
978
979 AC_ARG_ENABLE(gsharing, [  --enable-gsharing Enable gsharing], enable_gsharing=$enableval, enable_gsharing=no)
980 if test x$enable_gsharing = xyes; then
981         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharing])
982 fi
983
984 AC_ARG_ENABLE(native-types, [  --enable-native-types Enable native types], enable_native_types=$enableval, enable_native_types=no)
985 if test x$enable_native_types = xyes; then
986         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
987 fi
988
989 AC_MSG_CHECKING(for visibility __attribute__)
990 AC_COMPILE_IFELSE([
991         AC_LANG_SOURCE([[
992                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
993                 int main () { doit (); return 0; }
994         ]])
995 ], [
996    have_visibility_hidden=yes
997    AC_MSG_RESULT(yes)
998 ], [
999    have_visibility_hidden=no
1000    AC_MSG_RESULT(no)
1001 ])
1002
1003 AC_MSG_CHECKING(for deprecated __attribute__)
1004 AC_TRY_COMPILE([
1005      int doit (void) __attribute__ ((deprecated));
1006      int doit (void) { return 0; }
1007 ], [
1008         return 0;
1009 ], [
1010    have_deprecated=yes
1011    AC_MSG_RESULT(yes)
1012 ], [
1013    have_deprecated=no
1014    AC_MSG_RESULT(no)
1015 ])
1016
1017 dnl
1018 dnl Boehm GC configuration
1019 dnl
1020
1021 AC_ARG_WITH(libgc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=$libgc_default])
1022
1023 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1024 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1025
1026 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1027 if test x$enable_parallel_mark = xyes; then
1028         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1029 fi
1030
1031 gc_headers=no
1032 gc_msg=""
1033 use_included_gc=no
1034 LIBGC_CPPFLAGS=
1035 LIBGC_LIBS=
1036 LIBGC_STATIC_LIBS=
1037 libgc_dir=
1038 case "x$libgc" in
1039         xboehm|xbohem|xyes)
1040                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
1041                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
1042
1043                 if test "x$found_boehm" != "xyes"; then
1044                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
1045                 fi
1046                 if test "x$gc_headers" != "xyes"; then
1047                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
1048                 fi
1049
1050                 LIBGC_LIBS="-lgc $libdl"
1051                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
1052                 libmono_ldflags="$libmono_ldflags -lgc"
1053                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1054
1055                 # AC_CHECK_FUNCS does not work for some reason...
1056                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1057                 if test "x$found_gcj_malloc" = "xyes"; then
1058                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1059                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1060                         gc_msg="System Boehm with typed GC"
1061                 else
1062                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1063                         gc_msg="System Boehm (without typed GC)"
1064                 fi
1065                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1066                 if test "x$found_gc_enable" = "xyes"; then
1067                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1068                 fi
1069
1070                 # check whether we need to explicitly allow
1071                 # thread registering
1072                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1073                 if test "x$found_allow_register_threads" = "xyes"; then
1074                    AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1075                 fi
1076                 ;;
1077
1078         xincluded)
1079                 use_included_gc=yes
1080                 if test "x$support_boehm" = "xyes"; then
1081                         libgc_dir=libgc
1082                 fi
1083
1084                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1085                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1086                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1087
1088                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1089
1090                 if test x$target_win32 = xyes; then
1091                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1092                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1093                 fi
1094
1095                 gc_msg="Included Boehm GC with typed GC"
1096                 if test x$enable_parallel_mark = xyes; then
1097                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1098                         gc_msg="$gc_msg and parallel mark"
1099                 else
1100                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1101                 fi
1102                 ;;
1103
1104         xsgen)
1105                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1106                 ;;
1107
1108         xnone)
1109                 AC_MSG_WARN("Compiling mono without GC.")
1110                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1111                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1112                 gc_msg="none"
1113                 ;;
1114         *)
1115                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1116                 ;;
1117 esac
1118
1119 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1120 if test "x$large_heap" = "xyes"; then
1121    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1122 fi
1123
1124 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1125 AC_SUBST(LIBGC_CPPFLAGS)
1126 AC_SUBST(LIBGC_LIBS)
1127 AC_SUBST(LIBGC_STATIC_LIBS)
1128 AC_SUBST(libgc_dir)
1129 AC_SUBST(BOEHM_DEFINES)
1130
1131 dnl
1132 dnl End of Boehm GC Configuration
1133 dnl
1134
1135 dnl *************************************
1136 dnl *** Checks for zero length arrays ***
1137 dnl *************************************
1138 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1139 AC_TRY_COMPILE([
1140         struct s {
1141                 int  length;
1142                 char data [0];
1143         };
1144 ], [], [
1145         AC_MSG_RESULT(yes)
1146         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1147 ], [
1148         AC_MSG_RESULT(no)
1149         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1150 ])
1151
1152 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1153
1154 dnl ***********************************
1155 dnl *** Checks for signals
1156 dnl ***********************************
1157 AC_CHECK_HEADERS(signal.h)
1158 AC_CHECK_FUNCS(sigaction)
1159
1160 if test x$target_win32 = xno; then
1161
1162         dnl hires monotonic clock support
1163         AC_SEARCH_LIBS(clock_gettime, rt)
1164
1165         dnl dynamic loader support
1166         AC_CHECK_FUNC(dlopen, DL_LIB="",
1167                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1168         )
1169         if test x$dl_support = xno; then
1170                 AC_MSG_WARN([No dynamic loading support available])
1171         else
1172                 LIBS="$LIBS $DL_LIB"
1173                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1174                 dnl from glib's configure.ac
1175                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1176                         mono_cv_uscore,[
1177                         AC_TRY_RUN([#include <dlfcn.h>
1178                         int mono_underscore_test (void) { return 42; }
1179                         int main() {
1180                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1181                           handle = dlopen ((void*)0, 0);
1182                           if (handle) {
1183                             f1 = dlsym (handle, "mono_underscore_test");
1184                             f2 = dlsym (handle, "_mono_underscore_test");
1185                           } return (!f2 || f1);
1186                         }],
1187                                 [mono_cv_uscore=yes],
1188                                 [mono_cv_uscore=no],
1189                         [])
1190                 ])
1191                 if test "x$mono_cv_uscore" = "xyes"; then
1192                         MONO_DL_NEED_USCORE=1
1193                 else
1194                         MONO_DL_NEED_USCORE=0
1195                 fi
1196                 AC_SUBST(MONO_DL_NEED_USCORE)
1197                 AC_CHECK_FUNC(dlerror)
1198         fi
1199
1200         dnl ******************************************************************
1201         dnl *** Checks for the IKVM JNI interface library                  ***
1202         dnl ******************************************************************
1203         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])
1204
1205         ikvm_native_dir=
1206         if test x$with_ikvm_native = xyes; then
1207                 ikvm_native_dir=ikvm-native
1208                 jdk_headers_found="IKVM Native"
1209         fi
1210
1211         AC_SUBST(ikvm_native_dir)
1212
1213         AC_CHECK_HEADERS(execinfo.h)
1214
1215         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1216
1217         AC_CHECK_FUNCS(getgrgid_r)
1218         AC_CHECK_FUNCS(getgrnam_r)
1219         AC_CHECK_FUNCS(getpwnam_r)
1220         AC_CHECK_FUNCS(getpwuid_r)
1221         AC_CHECK_FUNCS(getresuid)
1222         AC_CHECK_FUNCS(setresuid)
1223         AC_CHECK_FUNCS(kqueue)
1224         AC_CHECK_FUNCS(backtrace_symbols)
1225         AC_CHECK_FUNCS(mkstemp)
1226         AC_CHECK_FUNCS(mmap)
1227         AC_CHECK_FUNCS(madvise)
1228         AC_CHECK_FUNCS(getrusage)
1229         AC_CHECK_FUNCS(getpriority)
1230         AC_CHECK_FUNCS(setpriority)
1231         AC_CHECK_FUNCS(dl_iterate_phdr)
1232         AC_CHECK_FUNCS(dladdr)
1233         AC_CHECK_FUNCS(sysconf)
1234         AC_CHECK_FUNCS(getrlimit)
1235
1236         AC_CHECK_FUNCS(sched_setaffinity)
1237         AC_CHECK_FUNCS(sched_getcpu)
1238
1239         dnl ****************************************************************
1240         dnl *** Check for sched_setaffinity from glibc versions before   ***
1241         dnl *** 2.3.4. The older versions of the function only take 2    ***
1242         dnl *** parameters, not 3.                                       ***
1243         dnl ***                                                          ***
1244         dnl *** Because the interface change was not made in a minor     ***
1245         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1246         dnl *** won't always indicate the interface sched_affinity has.  ***
1247         dnl ****************************************************************
1248         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1249         AC_TRY_COMPILE([#include <sched.h>], [
1250             int mask = 1; 
1251             sched_setaffinity(0, &mask);
1252                         return 0;
1253         ], [
1254                 # Yes, we have it...
1255                 AC_MSG_RESULT(yes)
1256                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1257         ], [
1258                 # We have the new, three-parameter version
1259                 AC_MSG_RESULT(no)
1260         ])
1261
1262
1263         dnl ******************************************************************
1264         dnl *** Check for large file support                               ***
1265         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1266         dnl ******************************************************************
1267         
1268         # Check that off_t can represent 2**63 - 1 correctly, working around
1269         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1270         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1271         large_offt=no
1272         AC_DEFUN([LARGE_FILES], [
1273                 large_CPPFLAGS=$CPPFLAGS
1274                 CPPFLAGS="$CPPFLAGS $1"
1275                 AC_TRY_COMPILE([
1276                         #include <sys/types.h>
1277                         #include <limits.h>
1278                 ], [
1279                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1280                         #define COMPILE_TIME_ASSERT(pred) \
1281                                 switch(0){case 0:case pred:;}
1282                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1283                 ], [
1284                         AC_MSG_RESULT(ok)
1285                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1286                         large_CPPFLAGS="$large_CPPFLAGS $1"
1287                         large_offt=yes
1288                 ], [
1289                         AC_MSG_RESULT(no)
1290                 ])
1291                 CPPFLAGS=$large_CPPFLAGS
1292         ])
1293
1294         AC_MSG_CHECKING(if off_t is 64 bits wide)
1295         LARGE_FILES("")
1296         if test $large_offt = no; then
1297                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1298                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1299         fi
1300         if test $large_offt = no; then
1301                 AC_MSG_WARN([No 64 bit file size support available])
1302         fi
1303         
1304         dnl *****************************
1305         dnl *** Checks for libsocket  ***
1306         dnl *****************************
1307         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1308
1309         case "$host" in
1310                 *-*-*freebsd*)
1311                         dnl *****************************
1312                         dnl *** Checks for libinotify ***
1313                         dnl *****************************
1314                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1315         esac
1316
1317         dnl *******************************
1318         dnl *** Checks for MSG_NOSIGNAL ***
1319         dnl *******************************
1320         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1321         AC_TRY_COMPILE([#include <sys/socket.h>], [
1322                 int f = MSG_NOSIGNAL;
1323         ], [
1324                 # Yes, we have it...
1325                 AC_MSG_RESULT(yes)
1326                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1327         ], [
1328                 # We'll have to use signals
1329                 AC_MSG_RESULT(no)
1330         ])
1331
1332         dnl *****************************
1333         dnl *** Checks for IPPROTO_IP ***
1334         dnl *****************************
1335         AC_MSG_CHECKING(for IPPROTO_IP)
1336         AC_TRY_COMPILE([#include <netinet/in.h>], [
1337                 int level = IPPROTO_IP;
1338         ], [
1339                 # Yes, we have it...
1340                 AC_MSG_RESULT(yes)
1341                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1342         ], [
1343                 # We'll have to use getprotobyname
1344                 AC_MSG_RESULT(no)
1345         ])
1346
1347         dnl *******************************
1348         dnl *** Checks for IPPROTO_IPV6 ***
1349         dnl *******************************
1350         AC_MSG_CHECKING(for IPPROTO_IPV6)
1351         AC_TRY_COMPILE([#include <netinet/in.h>], [
1352                 int level = IPPROTO_IPV6;
1353         ], [
1354                 # Yes, we have it...
1355                 AC_MSG_RESULT(yes)
1356                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1357         ], [
1358                 # We'll have to use getprotobyname
1359                 AC_MSG_RESULT(no)
1360         ])
1361
1362         dnl ******************************
1363         dnl *** Checks for IPPROTO_TCP ***
1364         dnl ******************************
1365         AC_MSG_CHECKING(for IPPROTO_TCP)
1366         AC_TRY_COMPILE([#include <netinet/in.h>], [
1367                 int level = IPPROTO_TCP;
1368         ], [
1369                 # Yes, we have it...
1370                 AC_MSG_RESULT(yes)
1371                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1372         ], [
1373                 # We'll have to use getprotobyname
1374                 AC_MSG_RESULT(no)
1375         ])
1376
1377         dnl *****************************
1378         dnl *** Checks for SOL_IP     ***
1379         dnl *****************************
1380         AC_MSG_CHECKING(for SOL_IP)
1381         AC_TRY_COMPILE([#include <netdb.h>], [
1382                 int level = SOL_IP;
1383         ], [
1384                 # Yes, we have it...
1385                 AC_MSG_RESULT(yes)
1386                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1387         ], [
1388                 # We'll have to use getprotobyname
1389                 AC_MSG_RESULT(no)
1390         ])
1391
1392         dnl *****************************
1393         dnl *** Checks for SOL_IPV6     ***
1394         dnl *****************************
1395         AC_MSG_CHECKING(for SOL_IPV6)
1396         AC_TRY_COMPILE([#include <netdb.h>], [
1397                 int level = SOL_IPV6;
1398         ], [
1399                 # Yes, we have it...
1400                 AC_MSG_RESULT(yes)
1401                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1402         ], [
1403                 # We'll have to use getprotobyname
1404                 AC_MSG_RESULT(no)
1405         ])
1406
1407         dnl *****************************
1408         dnl *** Checks for SOL_TCP    ***
1409         dnl *****************************
1410         AC_MSG_CHECKING(for SOL_TCP)
1411         AC_TRY_COMPILE([#include <netdb.h>], [
1412                 int level = SOL_TCP;
1413         ], [
1414                 # Yes, we have it...
1415                 AC_MSG_RESULT(yes)
1416                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1417         ], [
1418                 # We'll have to use getprotobyname
1419                 AC_MSG_RESULT(no)
1420         ])
1421
1422         dnl *****************************
1423         dnl *** Checks for IP_PKTINFO ***
1424         dnl *****************************
1425         AC_MSG_CHECKING(for IP_PKTINFO)
1426         AC_TRY_COMPILE([#include <linux/in.h>], [
1427                 int level = IP_PKTINFO;
1428         ], [
1429                 # Yes, we have it...
1430                 AC_MSG_RESULT(yes)
1431                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1432         ], [
1433                 AC_MSG_RESULT(no)
1434         ])
1435
1436         dnl *****************************
1437         dnl *** Checks for IPV6_PKTINFO ***
1438         dnl *****************************
1439         AC_MSG_CHECKING(for IPV6_PKTINFO)
1440         AC_TRY_COMPILE([#include <netdb.h>], [
1441                 int level = IPV6_PKTINFO;
1442         ], [
1443                 # Yes, we have it...
1444                 AC_MSG_RESULT(yes)
1445                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1446         ], [
1447                 AC_MSG_RESULT(no)
1448         ])
1449
1450         dnl **********************************
1451         dnl *** Checks for IP_DONTFRAG     ***
1452         dnl **********************************
1453         AC_MSG_CHECKING(for IP_DONTFRAG)
1454         AC_TRY_COMPILE([#include <netinet/in.h>], [
1455                 int level = IP_DONTFRAG;
1456         ], [
1457                 # Yes, we have it...
1458                 AC_MSG_RESULT(yes)
1459                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1460         ], [
1461                 AC_MSG_RESULT(no)
1462         ])
1463
1464         dnl **********************************
1465         dnl *** Checks for IP_DONTFRAGMENT ***
1466         dnl **********************************
1467         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1468         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1469                 int level = IP_DONTFRAGMENT;
1470         ], [
1471                 # Yes, we have it...
1472                 AC_MSG_RESULT(yes)
1473                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1474         ], [
1475                 AC_MSG_RESULT(no)
1476         ])
1477
1478         dnl **********************************
1479         dnl *** Checks for IP_MTU_DISCOVER ***
1480         dnl **********************************
1481         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1482         AC_TRY_COMPILE([#include <linux/in.h>], [
1483                 int level = IP_MTU_DISCOVER;
1484         ], [
1485                 # Yes, we have it...
1486                 AC_MSG_RESULT(yes)
1487                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1488         ], [
1489                 AC_MSG_RESULT(no)
1490         ])
1491
1492         dnl **********************************
1493         dnl *** Checks for  IP_PMTUDISC_DO ***
1494         dnl **********************************
1495         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1496         AC_TRY_COMPILE([#include <linux/in.h>], [
1497                 int level = IP_PMTUDISC_DO;
1498         ], [
1499                 # Yes, we have it...
1500                 AC_MSG_RESULT(yes)
1501                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1502         ], [
1503                 AC_MSG_RESULT(no)
1504         ])
1505
1506         dnl *********************************
1507         dnl *** Check for struct ip_mreqn ***
1508         dnl *********************************
1509         AC_MSG_CHECKING(for struct ip_mreqn)
1510         AC_TRY_COMPILE([#include <netinet/in.h>], [
1511                 struct ip_mreqn mreq;
1512                 mreq.imr_address.s_addr = 0;
1513         ], [
1514                 # Yes, we have it...
1515                 AC_MSG_RESULT(yes)
1516                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1517         ], [
1518                 # We'll just have to try and use struct ip_mreq
1519                 AC_MSG_RESULT(no)
1520                 AC_MSG_CHECKING(for struct ip_mreq)
1521                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1522                         struct ip_mreq mreq;
1523                         mreq.imr_interface.s_addr = 0;
1524                 ], [
1525                         # Yes, we have it...
1526                         AC_MSG_RESULT(yes)
1527                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1528                 ], [
1529                         # No multicast support
1530                         AC_MSG_RESULT(no)
1531                 ])
1532         ])
1533         
1534         dnl **********************************
1535         dnl *** Check for getaddrinfo ***
1536         dnl **********************************
1537         AC_MSG_CHECKING(for getaddrinfo)
1538                 AC_TRY_LINK([
1539                 #include <stdio.h>
1540                 #include <netdb.h>
1541         ], [
1542                 getaddrinfo(NULL,NULL,NULL,NULL);
1543         ], [
1544                 # Yes, we have it...
1545                 AC_MSG_RESULT(yes)
1546                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1547         ], [
1548                 AC_MSG_RESULT(no)
1549         ])
1550
1551         dnl **********************************
1552         dnl *** Check for gethostbyname2_r ***
1553         dnl **********************************
1554         AC_MSG_CHECKING(for gethostbyname2_r)
1555                 AC_TRY_LINK([
1556                 #include <stdio.h>
1557                 #include <netdb.h>
1558         ], [
1559
1560                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1561         ], [
1562                 # Yes, we have it...
1563                 AC_MSG_RESULT(yes)
1564                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1565         ], [
1566                 AC_MSG_RESULT(no)
1567         ])
1568
1569         dnl **********************************
1570         dnl *** Check for gethostbyname2 ***
1571         dnl **********************************
1572         AC_MSG_CHECKING(for gethostbyname2)
1573                 AC_TRY_LINK([
1574                 #include <stdio.h>
1575                 #include <netdb.h>
1576         ], [
1577                 gethostbyname2(NULL,0);
1578         ], [
1579                 # Yes, we have it...
1580                 AC_MSG_RESULT(yes)
1581                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1582         ], [
1583                 AC_MSG_RESULT(no)
1584         ])
1585
1586         dnl **********************************
1587         dnl *** Check for gethostbyname ***
1588         dnl **********************************
1589         AC_MSG_CHECKING(for gethostbyname)
1590                 AC_TRY_LINK([
1591                 #include <stdio.h>
1592                 #include <netdb.h>
1593         ], [
1594                 gethostbyname(NULL);
1595         ], [
1596                 # Yes, we have it...
1597                 AC_MSG_RESULT(yes)
1598                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1599         ], [
1600                 AC_MSG_RESULT(no)
1601         ])
1602
1603         dnl **********************************
1604         dnl *** Check for getprotobyname ***
1605         dnl **********************************
1606         AC_MSG_CHECKING(for getprotobyname)
1607                 AC_TRY_LINK([
1608                 #include <stdio.h>
1609                 #include <netdb.h>
1610         ], [
1611                 getprotobyname(NULL);
1612         ], [
1613                 # Yes, we have it...
1614                 AC_MSG_RESULT(yes)
1615                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1616         ], [
1617                 AC_MSG_RESULT(no)
1618         ])
1619
1620         dnl **********************************
1621         dnl *** Check for getnameinfo ***
1622         dnl **********************************
1623         AC_MSG_CHECKING(for getnameinfo)
1624                 AC_TRY_LINK([
1625                 #include <stdio.h>
1626                 #include <netdb.h>
1627         ], [
1628                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1629         ], [
1630                 # Yes, we have it...
1631                 AC_MSG_RESULT(yes)
1632                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1633         ], [
1634                 AC_MSG_RESULT(no)
1635         ])
1636
1637
1638         dnl **********************************
1639         dnl *** Check for inet_ntop ***
1640         dnl **********************************
1641         AC_MSG_CHECKING(for inet_ntop)
1642                 AC_TRY_LINK([
1643                 #include <stdio.h>
1644                 #include <arpa/inet.h>
1645         ], [
1646                 inet_ntop (0, NULL, NULL, 0);
1647         ], [
1648                 # Yes, we have it...
1649                 AC_MSG_RESULT(yes)
1650                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1651         ], [
1652                 AC_MSG_RESULT(no)
1653         ])
1654
1655         dnl *****************************
1656         dnl *** Checks for libnsl     ***
1657         dnl *****************************
1658         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1659
1660         AC_CHECK_FUNCS(inet_pton inet_aton)
1661
1662         dnl *****************************
1663         dnl *** Checks for libxnet    ***
1664         dnl *****************************
1665         case "${host}" in
1666                 *solaris* )
1667                         AC_MSG_CHECKING(for Solaris XPG4 support)
1668                         if test -f /usr/lib/libxnet.so; then
1669                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1670                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1671                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1672                                 LIBS="$LIBS -lxnet"
1673                                 AC_MSG_RESULT(yes)
1674                         else
1675                                 AC_MSG_RESULT(no)
1676                         fi
1677
1678                         if test "$GCC" = "yes"; then
1679                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1680                         fi
1681                 ;;
1682         esac
1683
1684         dnl *****************************
1685         dnl *** Checks for libpthread ***
1686         dnl *****************************
1687 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1688 # and libpthread does not exist
1689 #
1690         case "${host}" in
1691                 *-*-*freebsd*)
1692                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1693                 ;;
1694                 *-*-*openbsd*)
1695                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1696                 ;;
1697                 *)
1698                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1699                 ;;
1700         esac
1701         AC_CHECK_HEADERS(pthread.h)
1702         AC_CHECK_HEADERS(pthread_np.h)
1703         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1704         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1705         AC_CHECK_FUNCS(pthread_kill)
1706         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1707         AC_TRY_COMPILE([ #include <pthread.h>], [
1708                 pthread_mutexattr_t attr;
1709                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1710         ], [
1711                 AC_MSG_RESULT(ok)
1712         ], [
1713                 AC_MSG_RESULT(no)
1714                 AC_ERROR(Posix system lacks support for recursive mutexes)
1715         ])
1716         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1717         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1718         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1719
1720         dnl **********************************
1721         dnl *** Check for mincore ***
1722         dnl **********************************
1723         AC_MSG_CHECKING(for mincore)
1724                 AC_TRY_LINK([
1725                 #include <stdio.h>
1726                 #include <sys/types.h>
1727                 #include <sys/mman.h>
1728         ], [
1729                 mincore(NULL, 0, NULL);
1730         ], [
1731                 # Yes, we have it...
1732                 AC_MSG_RESULT(yes)
1733                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1734         ], [
1735                 AC_MSG_RESULT(no)
1736         ])
1737
1738         dnl ***********************************
1739         dnl *** Checks for working __thread ***
1740         dnl ***********************************
1741         AC_MSG_CHECKING(for working __thread)
1742         if test "x$with_tls" != "x__thread"; then
1743                 AC_MSG_RESULT(disabled)
1744         elif test "x$cross_compiling" = "xyes"; then
1745                 AC_MSG_RESULT(cross compiling, assuming yes)
1746         else
1747                 AC_TRY_RUN([
1748                         #if defined(__APPLE__) && defined(__clang__)
1749                         #error "__thread does not currently work with clang on Mac OS X"
1750                         #endif
1751                         
1752                         #include <pthread.h>
1753                         __thread int i;
1754                         static int res1, res2;
1755
1756                         void thread_main (void *arg)
1757                         {
1758                                 i = arg;
1759                                 sleep (1);
1760                                 if (arg == 1)
1761                                         res1 = (i == arg);
1762                                 else
1763                                         res2 = (i == arg);
1764                         }
1765
1766                         int main () {
1767                                 pthread_t t1, t2;
1768
1769                                 i = 5;
1770
1771                                 pthread_create (&t1, NULL, thread_main, 1);
1772                                 pthread_create (&t2, NULL, thread_main, 2);
1773
1774                                 pthread_join (t1, NULL);
1775                                 pthread_join (t2, NULL);
1776
1777                                 return !(res1 + res2 == 2);
1778                         }
1779                 ], [
1780                                 AC_MSG_RESULT(yes)
1781                 ], [
1782                                 AC_MSG_RESULT(no)
1783                                 with_tls=pthread
1784                 ])
1785         fi
1786
1787         dnl **************************************
1788         dnl *** Checks for working sigaltstack ***
1789         dnl **************************************
1790         AC_MSG_CHECKING(for working sigaltstack)
1791         if test "x$with_sigaltstack" != "xyes"; then
1792                 AC_MSG_RESULT(disabled)
1793         elif test "x$cross_compiling" = "xyes"; then
1794                 AC_MSG_RESULT(cross compiling, assuming yes)
1795         else
1796                 AC_TRY_RUN([
1797                         #include <stdio.h>
1798                         #include <stdlib.h>
1799                         #include <unistd.h>
1800                         #include <signal.h>
1801                         #include <pthread.h>
1802                         #include <sys/wait.h>
1803                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1804                         #define SA_STACK SA_ONSTACK
1805                         #endif
1806                         static void
1807                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1808                         {
1809                                 exit (0);
1810                         }
1811
1812                         volatile char*__ptr = NULL;
1813                         static void *
1814                         loop (void *ignored)
1815                         {
1816                                 *__ptr = 0;
1817                                 return NULL;
1818                         }
1819
1820                         static void
1821                         child ()
1822                         {
1823                                 struct sigaction sa;
1824                         #ifdef __APPLE__
1825                                 stack_t sas;
1826                         #else
1827                                 struct sigaltstack sas;
1828                         #endif
1829                                 pthread_t id;
1830                                 pthread_attr_t attr;
1831
1832                                 sa.sa_sigaction = sigsegv_signal_handler;
1833                                 sigemptyset (&sa.sa_mask);
1834                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1835                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1836                                         perror ("sigaction");
1837                                         return;
1838                                 }
1839
1840                                 /* x86 darwin deliver segfaults using SIGBUS */
1841                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1842                                         perror ("sigaction");
1843                                         return;
1844                                 }
1845                                 sas.ss_sp = malloc (SIGSTKSZ);
1846                                 sas.ss_size = SIGSTKSZ;
1847                                 sas.ss_flags = 0;
1848                                 if (sigaltstack (&sas, NULL) == -1) {
1849                                         perror ("sigaltstack");
1850                                         return;
1851                                 }
1852
1853                                 pthread_attr_init (&attr);
1854                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1855                                         printf ("pthread_create\n");
1856                                         return;
1857                                 }
1858
1859                                 sleep (100);
1860                         }
1861
1862                         int
1863                         main ()
1864                         {
1865                                 pid_t son;
1866                                 int status;
1867                                 int i;
1868
1869                                 son = fork ();
1870                                 if (son == -1) {
1871                                         return 1;
1872                                 }
1873
1874                                 if (son == 0) {
1875                                         child ();
1876                                         return 0;
1877                                 }
1878
1879                                 for (i = 0; i < 300; ++i) {
1880                                         waitpid (son, &status, WNOHANG);
1881                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1882                                                 return 0;
1883                                         usleep (10000);
1884                                 }
1885
1886                                 kill (son, SIGKILL);
1887                                 return 1;
1888                         }
1889
1890                 ], [
1891                                 AC_MSG_RESULT(yes)
1892                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1893                 ], [
1894                                 with_sigaltstack=no
1895                                 AC_MSG_RESULT(no)
1896                 ])
1897         fi
1898
1899         dnl ********************************
1900         dnl *** Checks for semaphore lib ***
1901         dnl ********************************
1902         # 'Real Time' functions on Solaris
1903         # posix4 on Solaris 2.6
1904         # pthread (first!) on Linux
1905         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1906
1907         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1908         AC_CHECK_FUNCS(shm_open)
1909
1910         dnl ********************************
1911         dnl *** Checks for timezone stuff **
1912         dnl ********************************
1913         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1914                 AC_TRY_COMPILE([
1915                         #include <time.h>
1916                         ], [
1917                         struct tm tm;
1918                         tm.tm_gmtoff = 1;
1919                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1920         if test $ac_cv_struct_tm_gmtoff = yes; then
1921                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1922         else
1923                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1924                         AC_TRY_COMPILE([
1925                                 #include <time.h>
1926                         ], [
1927                                 timezone = 1;
1928                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1929                 if test $ac_cv_var_timezone = yes; then
1930                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1931                 else
1932                         AC_ERROR(unable to find a way to determine timezone)
1933                 fi
1934         fi
1935
1936         dnl *********************************
1937         dnl *** Checks for math functions ***
1938         dnl *********************************
1939         AC_SEARCH_LIBS(sqrtf, m)
1940         if test "x$has_broken_apple_cpp" != "xyes"; then
1941                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1942                         AC_TRY_LINK([#include <math.h>], 
1943                         [ finite(0.0); ], 
1944                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1945                         AC_MSG_RESULT(no)))
1946         fi
1947         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1948                 AC_TRY_LINK([#include <math.h>], 
1949                 [ isfinite(0.0); ], 
1950                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1951                 AC_MSG_RESULT(no)))
1952
1953         dnl ****************************************************************
1954         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1955         dnl *** have it in the library (duh))                            ***
1956         dnl ****************************************************************
1957         AC_CHECK_FUNCS(poll)
1958
1959         dnl *************************
1960         dnl *** Check for signbit ***
1961         dnl *************************
1962         AC_MSG_CHECKING(for signbit)
1963         AC_TRY_LINK([#include <math.h>], [
1964                 int s = signbit(1.0);
1965         ], [
1966                 AC_MSG_RESULT(yes)
1967                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1968         ], [
1969                 AC_MSG_RESULT(no)
1970         ]) 
1971
1972         dnl **********************************
1973         dnl *** epoll                      ***
1974         dnl **********************************
1975         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1976                 AC_CHECK_HEADERS(sys/epoll.h)
1977                 haveepoll=no
1978                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1979                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1980                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1981                 fi
1982         fi
1983
1984         havekqueue=no
1985
1986         AC_CHECK_HEADERS(sys/event.h)
1987         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1988
1989         dnl **************************************
1990         dnl * Darwin has a race that prevents us from using reliably:
1991         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1992         dnl * Since kqueue is mostly used for scaling large web servers, 
1993         dnl * and very few folks run Mono on large web servers on OSX, falling
1994         dnl * back 
1995         dnl **************************************
1996         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1997                 if test "x$platform_darwin" = "xno"; then
1998                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1999                 fi
2000         fi
2001
2002         dnl ******************************
2003         dnl *** Checks for SIOCGIFCONF ***
2004         dnl ******************************
2005         AC_CHECK_HEADERS(sys/ioctl.h)
2006         AC_CHECK_HEADERS(net/if.h, [], [],
2007            [
2008            #ifdef HAVE_SYS_TYPES_H
2009            # include <sys/types.h>
2010            #endif
2011            #ifdef HAVE_SYS_SOCKET_H
2012            # include <sys/socket.h>
2013            #endif
2014            ])
2015         AC_MSG_CHECKING(for ifreq)
2016         AC_TRY_COMPILE([
2017                 #include <stdio.h>
2018                 #include <sys/ioctl.h>
2019                 #include <net/if.h>
2020                 ], [
2021                 struct ifconf ifc;
2022                 struct ifreq *ifr;
2023                 void *x;
2024                 ifc.ifc_len = 0;
2025                 ifc.ifc_buf = NULL;
2026                 x = (void *) &ifr->ifr_addr;
2027                 ],[
2028                         AC_MSG_RESULT(yes)
2029                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2030                 ], [
2031                         AC_MSG_RESULT(no)
2032                 ])
2033         dnl **********************************
2034         dnl ***     Checks for sin_len     ***
2035         dnl **********************************
2036         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2037         AC_TRY_COMPILE([
2038                 #include <netinet/in.h>
2039                 ], [
2040                 struct sockaddr_in saddr;
2041                 saddr.sin_len = sizeof (saddr);
2042                 ],[
2043                         AC_MSG_RESULT(yes)
2044                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2045                 ], [
2046                         AC_MSG_RESULT(no)
2047                 ])      
2048         dnl **********************************
2049         dnl ***    Checks for sin6_len     ***
2050         dnl **********************************
2051         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2052         AC_TRY_COMPILE([
2053                 #include <netinet/in.h>
2054                 ], [
2055                 struct sockaddr_in6 saddr6;
2056                 saddr6.sin6_len = sizeof (saddr6);
2057                 ],[
2058                         AC_MSG_RESULT(yes)
2059                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2060                 ], [
2061                         AC_MSG_RESULT(no)
2062                 ])
2063         dnl **********************************
2064         dnl *** Check for getifaddrs       ***
2065         dnl **********************************
2066         AC_MSG_CHECKING(for getifaddrs)
2067                 AC_TRY_LINK([
2068                 #include <stdio.h>
2069                 #include <sys/types.h>
2070                 #include <sys/socket.h>
2071                 #include <ifaddrs.h>
2072         ], [
2073                 getifaddrs(NULL);
2074         ], [
2075                 # Yes, we have it...
2076                 AC_MSG_RESULT(yes)
2077                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2078         ], [
2079                 AC_MSG_RESULT(no)
2080         ])
2081         dnl **********************************
2082         dnl *** Check for if_nametoindex   ***
2083         dnl **********************************
2084         AC_MSG_CHECKING(for if_nametoindex)
2085                 AC_TRY_LINK([
2086                 #include <stdio.h>
2087                 #include <sys/types.h>
2088                 #include <sys/socket.h>
2089                 #include <net/if.h>
2090         ], [
2091                 if_nametoindex(NULL);
2092         ], [
2093                 # Yes, we have it...
2094                 AC_MSG_RESULT(yes)
2095                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2096         ], [
2097                 AC_MSG_RESULT(no)
2098         ])
2099                         
2100         dnl **********************************
2101         dnl *** Checks for MonoPosixHelper ***
2102         dnl **********************************
2103         AC_CHECK_HEADERS(checklist.h)
2104         AC_CHECK_HEADERS(pathconf.h)
2105         AC_CHECK_HEADERS(fstab.h)
2106         AC_CHECK_HEADERS(attr/xattr.h)
2107         AC_CHECK_HEADERS(sys/extattr.h)
2108         AC_CHECK_HEADERS(sys/sendfile.h)
2109         AC_CHECK_HEADERS(sys/statvfs.h)
2110         AC_CHECK_HEADERS(sys/statfs.h)
2111         AC_CHECK_HEADERS(sys/vfstab.h)
2112         AC_CHECK_HEADERS(sys/xattr.h)
2113         AC_CHECK_HEADERS(sys/mman.h)
2114         AC_CHECK_HEADERS(sys/param.h)
2115         AC_CHECK_HEADERS(sys/mount.h, [], [],
2116                 [
2117                 #ifdef HAVE_SYS_PARAM_H
2118                 # include <sys/param.h>
2119                 #endif
2120                 ])
2121         AC_CHECK_HEADERS(sys/mount.h)
2122         AC_CHECK_FUNCS(confstr)
2123         AC_CHECK_FUNCS(seekdir telldir)
2124         AC_CHECK_FUNCS(getdomainname)
2125         AC_CHECK_FUNCS(setdomainname)
2126         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2127         AC_CHECK_FUNCS(setgroups)
2128         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2129         AC_CHECK_FUNCS(getfsstat)
2130         AC_CHECK_FUNCS(lutimes futimes)
2131         AC_CHECK_FUNCS(mremap)
2132         AC_CHECK_FUNCS(remap_file_pages)
2133         AC_CHECK_FUNCS(posix_fadvise)
2134         AC_CHECK_FUNCS(posix_fallocate)
2135         AC_CHECK_FUNCS(posix_madvise)
2136         AC_CHECK_FUNCS(vsnprintf)
2137         AC_CHECK_FUNCS(sendfile)
2138         AC_CHECK_FUNCS(gethostid sethostid)
2139         AC_CHECK_FUNCS(sethostname)
2140         AC_CHECK_FUNCS(statfs)
2141         AC_CHECK_FUNCS(fstatfs)
2142         AC_CHECK_FUNCS(statvfs)
2143         AC_CHECK_FUNCS(fstatvfs)
2144         AC_CHECK_FUNCS(stime)
2145         AC_CHECK_FUNCS(strerror_r)
2146         AC_CHECK_FUNCS(ttyname_r)
2147         AC_CHECK_FUNCS(psignal)
2148         AC_CHECK_FUNCS(getlogin_r)
2149         AC_CHECK_FUNCS(lockf)
2150         AC_CHECK_FUNCS(swab)
2151         AC_CHECK_FUNCS(setusershell endusershell)
2152         AC_CHECK_FUNCS(futimens utimensat)
2153         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2154         AC_CHECK_FUNCS(readv writev preadv pwritev)
2155         AC_CHECK_FUNCS(setpgid)
2156         AC_CHECK_SIZEOF(size_t)
2157         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2158                 [#include <sys/types.h>
2159                  #include <sys/stat.h>
2160                  #include <unistd.h>])
2161         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2162                 [#include <sys/types.h>
2163                  #include <sys/stat.h>
2164                  #include <unistd.h>])
2165         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2166                 [#include <sys/time.h>])
2167         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2168                 [#include <unistd.h>
2169                  #include <fcntl.h>])
2170         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2171                 [#include <sys/uio.h>])
2172         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2173                 [#include <sys/poll.h>])
2174         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2175                 [#include <sys/types.h>
2176                  #include <sys/stat.h>
2177                  #include <unistd.h>])
2178         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2179                 [#include <time.h>])
2180         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2181                 [#include <sys/time.h>
2182                  #include <sys/types.h>
2183                  #include <utime.h>])
2184         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2185                 [#include <sys/time.h>])
2186         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2187                 [#include <sys/types.h>
2188                  #include <utime.h>])
2189         AC_CHECK_MEMBERS(
2190                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2191                 [#include <sys/types.h>
2192                  #include <dirent.h>])
2193         AC_CHECK_MEMBERS(
2194                 [struct passwd.pw_gecos],,, 
2195                 [#include <sys/types.h>
2196                  #include <pwd.h>])
2197         AC_CHECK_MEMBERS(
2198                 [struct statfs.f_flags],,, 
2199                 [#include <sys/types.h>
2200                  #include <sys/vfs.h>])
2201         AC_CHECK_MEMBERS(
2202                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2203                 [#include <sys/types.h>
2204                  #include <sys/stat.h>
2205                  #include <unistd.h>])
2206
2207         dnl Favour xattr through glibc, but use libattr if we have to
2208         AC_CHECK_FUNC(lsetxattr, ,
2209                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2210         )
2211         AC_SUBST(XATTR_LIB)
2212
2213         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2214         AC_CHECK_MEMBERS(
2215                 [struct kinfo_proc.kp_proc],,, 
2216                 [#include <sys/types.h>
2217                  #include <sys/param.h>
2218                  #include <sys/sysctl.h>
2219                  #include <sys/proc.h>
2220                  ])
2221
2222         dnl *********************************
2223         dnl *** Checks for Windows compilation ***
2224         dnl *********************************
2225         AC_CHECK_HEADERS(sys/time.h)
2226         AC_CHECK_HEADERS(sys/param.h)
2227         AC_CHECK_HEADERS(dirent.h)
2228
2229         dnl ******************************************
2230         dnl *** Checks for OSX and iOS compilation ***
2231         dnl ******************************************
2232         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2233
2234         dnl *********************************
2235         dnl *** Check for Console 2.0 I/O ***
2236         dnl *********************************
2237         AC_CHECK_HEADERS([curses.h])
2238         AC_CHECK_HEADERS([term.h], [], [],
2239         [#if HAVE_CURSES_H
2240          #include <curses.h>
2241          #endif
2242         ])
2243         AC_CHECK_HEADERS([termios.h])
2244
2245         dnl * This is provided in io-layer, but on windows it's only available
2246         dnl * on xp+
2247         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2248 else
2249         dnl *********************************
2250         dnl *** Checks for Windows compilation ***
2251         dnl *********************************
2252         AC_CHECK_HEADERS(winternl.h)
2253
2254         jdk_headers_found=no
2255         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2256         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2257         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2258         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2259         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2260         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2261         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2262
2263         dnl *********************************
2264         dnl *** Check for struct ip_mreqn ***
2265         dnl *********************************
2266         AC_MSG_CHECKING(for struct ip_mreqn)
2267         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2268                 struct ip_mreqn mreq;
2269                 mreq.imr_address.s_addr = 0;
2270         ], [
2271                 # Yes, we have it...
2272                 AC_MSG_RESULT(yes)
2273                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2274         ], [
2275                 # We'll just have to try and use struct ip_mreq
2276                 AC_MSG_RESULT(no)
2277                 AC_MSG_CHECKING(for struct ip_mreq)
2278                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2279                         struct ip_mreq mreq;
2280                         mreq.imr_interface.s_addr = 0;
2281                 ], [
2282                         # Yes, we have it...
2283                         AC_MSG_RESULT(yes)
2284                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2285                 ], [
2286                         # No multicast support
2287                         AC_MSG_RESULT(no)
2288                 ])
2289         ])
2290
2291         dnl **********************************
2292         dnl *** Check for getaddrinfo ***
2293         dnl **********************************
2294         AC_MSG_CHECKING(for getaddrinfo)
2295                 AC_TRY_LINK([
2296                 #include <stdio.h>
2297                 #include <winsock2.h>
2298                 #include <ws2tcpip.h>
2299         ], [
2300                 getaddrinfo(NULL,NULL,NULL,NULL);
2301         ], [
2302                 # Yes, we have it...
2303                 AC_MSG_RESULT(yes)
2304                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2305         ], [
2306                 AC_MSG_RESULT(no)
2307         ])
2308
2309         dnl **********************************
2310         dnl *** Check for gethostbyname ***
2311         dnl **********************************
2312         AC_MSG_CHECKING(for gethostbyname)
2313                 AC_TRY_LINK([
2314                 #include <stdio.h>
2315                 #include <winsock2.h>
2316                 #include <ws2tcpip.h>
2317         ], [
2318                 gethostbyname(NULL);
2319         ], [
2320                 # Yes, we have it...
2321                 AC_MSG_RESULT(yes)
2322                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2323         ], [
2324                 AC_MSG_RESULT(no)
2325         ])
2326
2327         dnl **********************************
2328         dnl *** Check for getprotobyname ***
2329         dnl **********************************
2330         AC_MSG_CHECKING(for getprotobyname)
2331                 AC_TRY_LINK([
2332                 #include <stdio.h>
2333                 #include <winsock2.h>
2334                 #include <ws2tcpip.h>
2335         ], [
2336                 getprotobyname(NULL);
2337         ], [
2338                 # Yes, we have it...
2339                 AC_MSG_RESULT(yes)
2340                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2341         ], [
2342                 AC_MSG_RESULT(no)
2343         ])
2344
2345         dnl **********************************
2346         dnl *** Check for getnameinfo ***
2347         dnl **********************************
2348         AC_MSG_CHECKING(for getnameinfo)
2349                 AC_TRY_LINK([
2350                 #include <stdio.h>
2351                 #include <winsock2.h>
2352                 #include <ws2tcpip.h>
2353         ], [
2354                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2355         ], [
2356                 # Yes, we have it...
2357                 AC_MSG_RESULT(yes)
2358                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2359         ], [
2360                 AC_MSG_RESULT(no)
2361         ])
2362
2363         dnl **********************************
2364         dnl *** Check for inet_ntop ***
2365         dnl **********************************
2366         AC_MSG_CHECKING(for inet_ntop)
2367                 AC_TRY_LINK([
2368                 #include <stdio.h>
2369                 #include <winsock2.h>
2370                 #include <ws2tcpip.h>
2371         ], [
2372                 inet_ntop (0, NULL, NULL, 0);
2373         ], [
2374                 # Yes, we have it...
2375                 AC_MSG_RESULT(yes)
2376                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2377         ], [
2378                 AC_MSG_RESULT(no)
2379         ])
2380
2381         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2382         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2383         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2384         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2385         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2386         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2387         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2388
2389         AC_MSG_CHECKING(for GetProcessId)
2390         AC_TRY_COMPILE([#include <windows.h>], [
2391                 GetProcessId (0);
2392         ], [
2393            AC_MSG_RESULT(yes)
2394            AC_DEFINE(HAVE_GETPROCESSID)
2395         ], [
2396            AC_MSG_RESULT(no)
2397         ])
2398 fi
2399
2400 dnl socklen_t check
2401 AC_MSG_CHECKING(for socklen_t)
2402 AC_TRY_COMPILE([
2403 #include <sys/types.h>
2404 #include <sys/socket.h>
2405 ],[
2406   socklen_t foo;
2407 ],[
2408 ac_cv_c_socklen_t=yes
2409         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2410         AC_MSG_RESULT(yes)
2411 ],[
2412         AC_MSG_RESULT(no)
2413 ])
2414
2415 AC_MSG_CHECKING(for array element initializer support)
2416 AC_TRY_COMPILE([#include <sys/socket.h>], [
2417         const int array[] = {[1] = 2,};
2418 ], [
2419         # Yes, we have it...
2420         AC_MSG_RESULT(yes)
2421         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2422 ], [
2423         # We'll have to use signals
2424         AC_MSG_RESULT(no)
2425 ])
2426
2427 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2428         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2429         AC_TRY_LINK([#include <math.h>], 
2430         [ static void *p = &trunc; ],
2431         [
2432                 AC_DEFINE(HAVE_TRUNC) 
2433                 AC_MSG_RESULT(yes)
2434                 ac_cv_trunc=yes
2435         ],
2436         AC_MSG_RESULT(no)))
2437
2438 if test "x$ac_cv_truncl" != "xyes"; then
2439    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2440 fi
2441
2442 AC_CHECK_FUNCS(round)
2443 AC_CHECK_FUNCS(rint)
2444 AC_CHECK_FUNCS(execvp)
2445
2446 dnl ****************************
2447 dnl *** Look for /dev/random ***
2448 dnl ****************************
2449
2450 AC_MSG_CHECKING([if usage of random device is requested])
2451 AC_ARG_ENABLE(dev-random,
2452 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2453 try_dev_random=$enableval, try_dev_random=yes)
2454
2455 AC_MSG_RESULT($try_dev_random)
2456
2457 case "{$build}" in
2458     *-openbsd*)
2459     NAME_DEV_RANDOM="/dev/srandom"
2460     ;;
2461
2462 dnl Win32 does not have /dev/random, they have their own method...
2463
2464     *-mingw*|*-*-cygwin*)
2465     ac_cv_have_dev_random=no
2466     ;;
2467
2468 dnl Everywhere else, it's /dev/random
2469
2470     *)
2471     NAME_DEV_RANDOM="/dev/random"
2472     ;;
2473 esac
2474
2475 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2476
2477 dnl Now check if the device actually exists
2478
2479 if test "x$try_dev_random" = "xyes"; then
2480     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2481     [if test -r "$NAME_DEV_RANDOM" ; then
2482         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2483     if test "x$ac_cv_have_dev_random" = "xyes"; then
2484         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2485     fi
2486 else
2487     AC_MSG_CHECKING(for random device)
2488     ac_cv_have_dev_random=no
2489     AC_MSG_RESULT(has been disabled)
2490 fi
2491
2492 if test "x$host_win32" = "xyes"; then
2493     AC_DEFINE(HAVE_CRYPT_RNG)
2494 fi
2495
2496 if test "x$ac_cv_have_dev_random" = "xno" \
2497     && test "x$host_win32" = "xno"; then
2498     AC_MSG_WARN([[
2499 ***
2500 *** A system-provided entropy source was not found on this system.
2501 *** Because of this, the System.Security.Cryptography random number generator
2502 *** will throw a NotImplemented exception.
2503 ***
2504 *** If you are seeing this message, and you know your system DOES have an
2505 *** entropy collection in place, please contact <crichton@gimp.org> and
2506 *** provide information about the system and how to access the random device.
2507 ***
2508 *** Otherwise you can install either egd or prngd and set the environment
2509 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2510 ***]])
2511 fi
2512  
2513 AC_MSG_CHECKING([if inter-process shared handles are requested])
2514 # Same as --enable-minimal=shared_handles
2515 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2516 AC_MSG_RESULT($try_shared_handles)
2517 if test "x$try_shared_handles" != "xyes"; then
2518         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2519         AC_SUBST(DISABLE_SHARED_HANDLES)
2520 fi
2521
2522 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2523
2524 AC_MSG_CHECKING([if big-arrays are to be enabled])
2525 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2526 if test "x$enable_big_arrays" = "xyes" ; then
2527     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2528         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2529     else
2530         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2531     fi
2532 fi
2533 AC_MSG_RESULT($enable_big_arrays)
2534
2535 dnl **************
2536 dnl *** DTRACE ***
2537 dnl **************
2538
2539 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2540
2541 if test "x$enable_dtrace" = "xyes"; then
2542    if test "x$has_dtrace" = "xno"; then
2543           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2544    fi
2545    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2546    if test "x$DTRACE" = "xno"; then
2547           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2548           enable_dtrace=no
2549    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2550           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2551           enable_dtrace=no
2552    fi
2553 fi
2554
2555 dtrace_g=no
2556 if test "x$enable_dtrace" = "xyes"; then
2557         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2558         DTRACEFLAGS=
2559         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2560                 case "$host" in
2561                         powerpc-*-darwin*)
2562                         DTRACEFLAGS="-arch ppc64"
2563                         ;;
2564                         i*86-*-darwin*)
2565                         DTRACEFLAGS="-arch x86_64"
2566                         ;;
2567                         *)
2568                         DTRACEFLAGS=-64
2569                         ;;
2570                 esac
2571         else
2572                 case "$host" in
2573                         powerpc-*-darwin*)
2574                         DTRACEFLAGS="-arch ppc"
2575                         ;;
2576                         i*86-*-darwin*)
2577                         DTRACEFLAGS="-arch i386"
2578                         ;;
2579                         *)
2580                         DTRACEFLAGS=-32
2581                         ;;
2582                 esac
2583         fi
2584         AC_SUBST(DTRACEFLAGS)
2585         case "$host" in
2586                 *-*-solaris*)
2587                 dtrace_g=yes
2588                 ;;
2589         esac
2590         AC_CHECK_HEADERS([sys/sdt.h])
2591 fi
2592 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2593 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2594
2595 dnl **************
2596 dnl ***  NaCl  ***
2597 dnl **************
2598
2599 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2600 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2601
2602 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2603
2604 dnl
2605 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2606 dnl
2607 nacl_self_host=""
2608 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2609    nacl_self_host="nacl_self_host"
2610 fi
2611 AC_SUBST(nacl_self_host)
2612
2613 if test "x$enable_nacl_codegen" = "xyes"; then
2614    MONO_NACL_ALIGN_MASK_OFF=1
2615    AC_DEFINE(TARGET_NACL, 1, [...])
2616    AC_DEFINE(__native_client_codegen__, 1, [...])
2617 else
2618    MONO_NACL_ALIGN_MASK_OFF=0
2619    AC_DEFINE(__default_codegen__, 1, [...])
2620 fi
2621 if test "x$enable_nacl_gc" = "xyes"; then
2622    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2623       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2624    else
2625       # Not yet implemented
2626       INSTRUMENT_CFLAG=""
2627    fi
2628    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2629 fi
2630 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2631
2632 dnl **************
2633 dnl ***  LLVM  ***
2634 dnl **************
2635
2636 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2637 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2638 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2639
2640 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2641
2642 if test "x$enable_llvm" = "xyes"; then
2643    if test "x$with_llvm" != "x"; then
2644           LLVM_CONFIG=$with_llvm/bin/llvm-config
2645           if test x$target_win32 = xyes; then
2646                 LLVM_CONFIG=$LLVM_CONFIG.exe
2647           fi
2648           if test ! -x $LLVM_CONFIG; then
2649                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2650       fi
2651    else
2652       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2653       if test "x$LLVM_CONFIG" = "xno"; then
2654              AC_MSG_ERROR([llvm-config not found.])
2655       fi
2656    fi
2657
2658    llvm_codegen="x86codegen"
2659    case "$target" in
2660    arm*)
2661                 llvm_codegen="armcodegen"
2662                 ;;
2663    esac
2664
2665    if test "x$target_win32" = "xno"; then
2666
2667    # The output of --cflags seems to include optimizations flags too
2668    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2669    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2670    # from LLVM classes.
2671    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2672    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2673    # This might include empty lines
2674    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2675    if test "x$host" != "x$target"; then
2676       # No need for jit libs
2677       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2678    else
2679       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2680    fi
2681    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS -lstdc++"
2682
2683    expected_llvm_version="3.4svn-mono-mono/e656cac"
2684
2685    # Should be something like '2.6' or '2.7svn'
2686    llvm_version=`$LLVM_CONFIG --version`
2687    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2688    AC_MSG_CHECKING(LLVM version)
2689    AC_MSG_RESULT($llvm_version)
2690    if echo $llvm_version | grep -q 'mono'; then
2691           if test "x$enable_llvm_version_check" == "xyes"; then
2692                  if test "$llvm_version" != "$expected_llvm_version"; then
2693                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2694                  fi
2695           fi
2696    else
2697           AC_MSG_ERROR([Compiling with stock LLVM is not supported, please use the Mono LLVM repo at https://github.com/mono/llvm, with the GIT branch which matches this version of mono, i.e. 'mono-2-10' for Mono 2.10.])
2698    fi
2699
2700    else
2701        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2702        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-exceptions -fno-rtti -Woverloaded-virtual -Wcast-qual"
2703        LLVM_LDFLAGS="-L$with_llvm/lib"
2704        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2705        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2706          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2707          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2708          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2709          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2710          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2711          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2712          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2713          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2714          -lLLVMSupport -lstdc++"
2715        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2716
2717        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2718        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2719    fi  
2720
2721    if test "x$llvm_api_version" = "x"; then
2722           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2723           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2724    else
2725           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2726           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2727    fi   
2728
2729    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2730
2731    AC_SUBST(LLVM_CFLAGS)
2732    AC_SUBST(LLVM_CXXFLAGS)
2733    AC_SUBST(LLVM_LIBS)
2734    AC_SUBST(LLVM_LDFLAGS)
2735    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2736 fi
2737
2738 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2739 if test "x$enable_loadedllvm" = "xyes"; then
2740    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2741 fi
2742 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2743
2744 TARGET="unknown"
2745 ACCESS_UNALIGNED="yes"
2746
2747 LIBC="libc.so.6"
2748 INTL="libc.so.6"
2749 SQLITE="libsqlite.so.0"
2750 SQLITE3="libsqlite3.so.0"
2751 X11="libX11.so"
2752 GDKX11="libgdk-x11-2.0.so.0"
2753 GTKX11="libgtk-x11-2.0.so.0"
2754 XINERAMA="libXinerama.so.1"
2755
2756 sizeof_register="SIZEOF_VOID_P"
2757
2758 jit_wanted=true
2759 sgen_supported=false
2760 boehm_supported=true
2761 case "$host" in
2762         mips*)
2763                 TARGET=MIPS;
2764                 arch_target=mips;
2765                 sgen_supported=true
2766                 ACCESS_UNALIGNED="no"
2767
2768                 AC_MSG_CHECKING(for mips n32)
2769                 AC_TRY_COMPILE([],[
2770                 #if _MIPS_SIM != _ABIN32
2771                 #error Not mips n32
2772                 #endif
2773                 return 0;
2774                 ],[
2775                 AC_MSG_RESULT(yes)
2776                 sizeof_register=8
2777                 ],[
2778                 AC_MSG_RESULT(no)
2779                 ])
2780                 ;;
2781         i*86-*-*)
2782                 TARGET=X86;
2783                 arch_target=x86;
2784                 case $host_os in
2785                   solaris*)
2786                         LIBC="libc.so"
2787                         INTL="libintl.so"
2788                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2789                                 TARGET=AMD64
2790                                 arch_target=amd64
2791                         fi
2792
2793                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2794                         # int astruct __attribute__ ((visibility ("hidden")));
2795                         # void foo ()
2796                         # {
2797                         #       void *p = &astruct;
2798                         # }
2799                         # gcc -fPIC --shared -o libfoo.so foo.c
2800                         # yields:
2801                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2802                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2803                         have_visibility_hidden=no
2804                         sgen_supported=true
2805                         ;;
2806                   mingw*|cygwin*)
2807                         sgen_supported=true
2808                         have_visibility_hidden=no                 
2809                         ;;
2810                   haiku*)
2811                         LIBC=libroot.so
2812                         ;;
2813                   linux*)
2814                         sgen_supported=true
2815                         AOT_SUPPORTED="yes"
2816                         ;;
2817                   darwin*)
2818                         sgen_supported=true
2819                         AOT_SUPPORTED="yes"
2820                         ;;
2821                   openbsd*|freebsd*|kfreebsd-gnu*)
2822                         sgen_supported=true
2823                         ;;
2824                 esac
2825                 ;;
2826         x86_64-*-* | amd64-*-*)
2827                 TARGET=AMD64;
2828                 arch_target=amd64;
2829                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2830                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2831                         sizeof_register=8
2832                 fi
2833                 case $host_os in
2834                   linux*)
2835                         sgen_supported=true
2836                         AOT_SUPPORTED="yes"
2837                         ;;
2838                   darwin*)
2839                         sgen_supported=true
2840                         AOT_SUPPORTED="yes"
2841                         ;;
2842                   openbsd*|freebsd*|kfreebsd-gnu*)
2843                         sgen_supported=true
2844                         ;;
2845                   mingw*)
2846                         sgen_supported=true
2847                         ;;
2848                 esac
2849                 case "$host" in
2850                         x86_64-*-nacl*)
2851                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2852                                 sizeof_register=8
2853                                 ;;
2854                 esac
2855                 ;;
2856         ia64-*-*)
2857                 TARGET=IA64
2858                 arch_target=ia64
2859                 ACCESS_UNALIGNED="no"
2860                 LIBC="libc.so.6.1"
2861                 INTL="libc.so.6.1"
2862                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2863                 libmono_ldflags="-lunwind"
2864                 ;;
2865         sparc*-*-*)
2866                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2867                    TARGET=SPARC64
2868                 else
2869                         TARGET=SPARC
2870                 fi
2871                 arch_target=sparc;
2872                 ACCESS_UNALIGNED="no"
2873                 case $host_os in
2874                   linux*) ;;
2875                   *)
2876                         LIBC="libc.so"
2877                         INTL="libintl.so"
2878                 esac
2879                 if test x"$GCC" = xyes; then
2880                         # We don't support v8 cpus
2881                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2882                 fi
2883                 if test x"$AR" = xfalse; then
2884                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2885                 fi
2886                 sgen_supported=true
2887                 ;;
2888         *-mingw*|*-*-cygwin*)
2889                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2890                 have_visibility_hidden=no
2891                 INTL="intl"
2892                 ;;
2893         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2894         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2895                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2896                         TARGET=POWERPC64;
2897                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2898                         CFLAGS="$CFLAGS -mminimal-toc"
2899                 else
2900                         TARGET=POWERPC;
2901                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2902                 fi
2903                 arch_target=ppc;
2904                 case $host_os in
2905                   linux*|darwin*)
2906                         sgen_supported=true
2907                         ;;
2908                 esac
2909                 ;;
2910         arm*-darwin*)
2911                 TARGET=ARM;
2912                 arch_target=arm;
2913                 ACCESS_UNALIGNED="no"
2914                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2915                 sgen_supported=true
2916                 ;;
2917         arm*-linux*)
2918                 TARGET=ARM;
2919                 arch_target=arm;
2920                 ACCESS_UNALIGNED="no"
2921                 sgen_supported=true
2922                 AOT_SUPPORTED="yes"
2923                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2924                 ;;
2925 # TODO: make proper support for NaCl host.
2926 #        arm*-*nacl)
2927 #               TARGET=ARM;
2928 #               arch_target=arm;
2929 #               ACCESS_UNALIGNED="no"
2930 #               sgen_supported=true
2931 #               AOT_SUPPORTED="no"
2932 #               ;;
2933         aarch64-*)
2934                 # https://lkml.org/lkml/2012/7/15/133
2935                 TARGET=ARM64
2936                 arch_target=arm64
2937                 sgen_supported=true
2938                 boehm_supported=false
2939                 ;;
2940         s390x-*-linux*)
2941                 TARGET=S390X;
2942                 arch_target=s390x;
2943                 ACCESS_UNALIGNED="yes"
2944                 sgen_supported=true
2945                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2946                 ;;
2947 esac
2948
2949 HOST=$TARGET
2950
2951 if test "x$host" != "x$target"; then
2952    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2953    enable_mcs_build=no
2954    case "$target" in
2955    arm*-darwin*)
2956                 TARGET=ARM;
2957                 arch_target=arm;
2958                 ACCESS_UNALIGNED="no"
2959                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2960                 # Can't use tls, since it depends on the runtime detection of tls offsets
2961                 # in mono-compiler.h
2962                 with_tls=pthread
2963                 ;;
2964    powerpc64-ps3-linux-gnu)
2965                 TARGET=POWERPC64
2966                 arch_target=powerpc64
2967                 AC_DEFINE(TARGET_PS3, 1, [...])
2968                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2969                 # uses this define
2970                 AC_DEFINE(__mono_ppc64__, 1, [...])
2971                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2972                 sizeof_register=8
2973                 target_byte_order=G_BIG_ENDIAN
2974                 ;;
2975    powerpc64-xbox360-linux-gnu)
2976                 TARGET=POWERPC64
2977                 arch_target=powerpc64
2978                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2979                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2980                 # uses this define
2981                 sizeof_register=8
2982                 target_byte_order=G_BIG_ENDIAN
2983                 ;;
2984    x86_64-*-nacl)
2985                 TARGET=AMD64
2986                 arch_target=amd64
2987                 AC_DEFINE(TARGET_AMD64, 1, [...])
2988                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2989                 sizeof_register=8
2990                 ;;
2991 # TODO: make proper support for NaCl target.
2992 #   arm*-*nacl)
2993 #               TARGET=ARM
2994 #               arch_target=arm
2995 #               AC_DEFINE(TARGET_ARM, 1, [...])
2996 #               ACCESS_UNALIGNED="no"
2997 #               sizeof_register=4
2998 #               CPPFLAGS="$CPPFLAGS \
2999 #                    -D__ARM_EABI__ \
3000 #                    -D__arm__ \
3001 #                    -D__portable_native_client__ \
3002 #                    -Dtimezone=_timezone \
3003 #                    -DDISABLE_SOCKETS \
3004 #                    -DDISABLE_ATTACH \
3005 #                    -DUSE_NEWLIB"
3006                 # Can't use tls, since it depends on the runtime detection of tls offsets
3007                 # in mono-compiler.h
3008 #               with_tls=pthread
3009 #               ;;
3010    i686-*-nacl)
3011                 TARGET=X86
3012                 arch_target=x86
3013                 AC_DEFINE(TARGET_X86, 1, [...])
3014                 sizeof_register=4
3015                 ;;
3016    arm*-linux-*)
3017                 TARGET=ARM;
3018                 arch_target=arm;
3019                 AC_DEFINE(TARGET_ARM, 1, [...])
3020                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3021                 ACCESS_UNALIGNED="no"
3022                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3023                 # Can't use tls, since it depends on the runtime detection of tls offsets
3024                 # in mono-compiler.h
3025                 with_tls=pthread
3026                 target_mach=no
3027                 case "$target" in
3028                 armv7l-unknown-linux-gnueabi*)
3029                         # TEGRA
3030                         CPPFLAGS="$CPPFLAGS"
3031                         ;;
3032                 armv5-*-linux-androideabi*)
3033                         CPPFLAGS="$CPPFLAGS"
3034                         ;;
3035                 esac
3036                 ;;
3037    i686*-linux-*)
3038                 TARGET=X86;
3039                 arch_target=x86;
3040                 AC_DEFINE(TARGET_X86, 1, [...])
3041                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3042                 CPPFLAGS="$CPPFLAGS"
3043                 sgen_supported=true
3044                 # Can't use tls, since it depends on the runtime detection of tls offsets
3045                 # in mono-compiler.h            
3046                 with_tls=pthread
3047                 target_mach=no
3048                 ;;
3049    x86_64*-linux-*)
3050                 TARGET=AMD64;
3051                 arch_target=amd64;
3052                 AC_DEFINE(TARGET_AMD64, 1, [...])
3053                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3054                 CPPFLAGS="$CPPFLAGS"
3055                 sgen_supported=true
3056                 # Can't use tls, since it depends on the runtime detection of tls offsets
3057                 # in mono-compiler.h
3058                 with_tls=pthread
3059                 target_mach=no
3060                 ;;
3061    aarch64*-linux-*)
3062                 TARGET=ARM64;
3063                 arch_target=arm64;
3064                 AC_DEFINE(TARGET_ARM64, 1, [...])
3065                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3066                 CPPFLAGS="$CPPFLAGS"
3067                 # Can't use tls, since it depends on the runtime detection of tls offsets
3068                 # in mono-compiler.h
3069                 with_tls=pthread
3070                 target_mach=no
3071                 ;;
3072         aarch64-*)
3073                 TARGET=ARM64
3074                 ;;
3075         *)
3076                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3077         esac
3078 fi
3079
3080 case "$TARGET" in
3081 X86)
3082         AC_DEFINE(TARGET_X86, 1, [...])
3083         ;;
3084 AMD64)
3085         AC_DEFINE(TARGET_AMD64, 1, [...])
3086         ;;
3087 ARM)
3088         AC_DEFINE(TARGET_ARM, 1, [...])
3089         ;;
3090 ARM64)
3091         AC_DEFINE(TARGET_ARM64, 1, [...])
3092         ;;
3093 POWERPC)
3094         AC_DEFINE(TARGET_POWERPC, 1, [...])
3095         ;;
3096 POWERPC64)
3097         AC_DEFINE(TARGET_POWERPC, 1, [...])
3098         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3099         ;;
3100 S390X)
3101         AC_DEFINE(TARGET_S390X, 1, [...])
3102         ;;
3103 MIPS)
3104         AC_DEFINE(TARGET_MIPS, 1, [...])
3105         ;;
3106 IA64)
3107         AC_DEFINE(TARGET_IA64, 1, [...])
3108         ;;
3109 SPARC)
3110         AC_DEFINE(TARGET_SPARC, 1, [...])
3111         ;;
3112 SPARC64)
3113         AC_DEFINE(TARGET_SPARC64, 1, [...])
3114         ;;
3115 esac
3116
3117 dnl *************
3118 dnl *** VTUNE ***
3119 dnl *************
3120
3121 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3122 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3123
3124 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3125
3126 if test "x$enable_vtune" = "xyes"; then
3127         if test "x$with_vtune" = "x"; then
3128                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3129         else
3130                 VTUNE_PATH=$with_vtune
3131         fi
3132         VTUNE_INCLUDE=$VTUNE_PATH/include
3133         case "$TARGET" in
3134         X86)
3135                 VTUNE_LIB=$VTUNE_PATH/lib32
3136                 ;;
3137         AMD64)
3138                 VTUNE_LIB=$VTUNE_PATH/lib64
3139                 ;;
3140         *)
3141                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3142                 ;;
3143         esac
3144         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3145                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3146         fi
3147         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3148                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3149         fi
3150
3151         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3152         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3153
3154         AC_SUBST(VTUNE_LIBS)
3155         AC_SUBST(VTUNE_CFLAGS)
3156 fi
3157 dnl Use GCC atomic ops if they work on the target.
3158 if test x$GCC = "xyes"; then
3159         case $TARGET in
3160         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3161                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3162                 ;;
3163         esac
3164 fi
3165
3166 if test "x$target_mach" = "xyes"; then
3167    if test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3168           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3169           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3170           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3171    else
3172        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3173        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3174        #error fail this for ios
3175        #endif
3176        return 0;
3177        ], [
3178                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3179           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3180           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3181        ], [
3182           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3183           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3184           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3185        ])
3186         fi
3187    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3188 fi
3189
3190 if test "x$sizeof_register" = "x4"; then
3191    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3192 elif test "x$sizeof_register" = "x8"; then
3193    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3194 else
3195    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3196 fi
3197
3198 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3199    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3200 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3201    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3202 else
3203    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3204 fi
3205
3206 if test "x$have_visibility_hidden" = "xyes"; then
3207    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3208 fi
3209
3210 if test "x$have_deprecated" = "xyes"; then
3211    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3212 fi
3213
3214 dnl 
3215 dnl Simple Generational checks (sgen)
3216 dnl
3217 if $sgen_supported; then
3218    build_sgen_default=yes
3219 else
3220    build_sgen_default=no
3221 fi
3222 SGEN_DEFINES=
3223 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
3224 if test x$buildsgen = xyes; then
3225    if $sgen_supported; then
3226        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
3227        gc_msg="sgen and $gc_msg"
3228    else
3229        buildsgen=no
3230        AC_MSG_WARN("Sgen is not supported on this platform")
3231    fi
3232 fi
3233 AC_SUBST(SGEN_DEFINES)
3234 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3235
3236 jit_status="Building and using the JIT"
3237
3238 libsuffix=".so"
3239
3240 case "$host" in
3241      *-*-darwin*)
3242         libsuffix=".dylib"
3243         LIBC="libc.dylib"
3244         INTL="libintl.dylib"
3245         SQLITE="libsqlite.0.dylib"
3246         SQLITE3="libsqlite3.0.dylib"
3247         X11="libX11.dylib"
3248         GDKX11="libgdk-x11-2.0.dylib"
3249         GTKX11="libgtk-x11-2.0.dylib"
3250         ;;
3251      *-*-*netbsd*)
3252         LIBC="libc.so.12"
3253         INTL="libintl.so.0"
3254         ;;
3255      *-*-kfreebsd*-gnu)
3256         LIBC="libc.so.0.1"
3257         INTL="libc.so.0.1"
3258         X11="libX11.so.6"
3259         ;;
3260     *-*-*freebsd*)
3261         LIBC="libc.so"
3262         INTL="libintl.so"
3263         SQLITE="libsqlite.so"
3264         SQLITE3="libsqlite3.so"
3265         ;;
3266     *-*-*openbsd*)
3267         LIBC="libc.so"
3268         INTL="libintl.so"
3269         SQLITE="libsqlite.so"
3270         SQLITE3="libsqlite3.so"
3271         ;;
3272     *-*-*linux*)
3273         AC_PATH_X
3274         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3275         AC_MSG_CHECKING(for the soname of libX11.so)
3276         for i in $x_libraries $dlsearch_path; do
3277                 for r in 4 5 6; do
3278                         if test -f $i/libX11.so.$r; then
3279                                 X11=libX11.so.$r
3280                                 AC_MSG_RESULT($X11)
3281                         fi
3282                 done
3283         done
3284         
3285         if test "x$X11" = "xlibX11.so"; then
3286                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3287                 X11=libX11.so.6
3288         fi
3289         ;;
3290 esac
3291
3292
3293 AC_SUBST(libsuffix)
3294
3295 AC_ARG_WITH([libgdiplus],
3296         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3297         [], [with_libgdiplus=installed])
3298
3299 # default install location
3300 libgdiplus_install_loc=libgdiplus${libsuffix}
3301 case $with_libgdiplus in
3302     no|installed)
3303     libgdiplus_loc=
3304     ;;
3305
3306     yes|sibling)
3307     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3308     ;;
3309
3310     /*) # absolute path, assume it is an install location
3311     libgdiplus_loc=$with_libgdiplus
3312     libgdiplus_install_loc=$with_libgdiplus
3313     ;;
3314
3315     *)
3316     libgdiplus_loc=`pwd`/$with_libgdiplus
3317     ;;
3318 esac
3319 AC_SUBST([libgdiplus_loc])
3320 AC_SUBST([libgdiplus_install_loc])
3321
3322 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3323 if test "x$icall_symbol_map" = "xyes"; then
3324    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3325 fi
3326
3327 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3328 if test "x$icall_export" = "xyes"; then
3329    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3330 fi
3331
3332 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3333 if test "x$icall_tables" = "xno"; then
3334    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3335 fi
3336
3337 if test "x$with_tls" = "x__thread"; then
3338         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3339         # Pass the information to libgc
3340         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3341         AC_MSG_CHECKING(if the tls_model attribute is supported)
3342         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3343                 ], [
3344                         AC_MSG_RESULT(yes)
3345                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3346                 ], [
3347                         AC_MSG_RESULT(no)
3348         ])
3349 fi
3350
3351 if test ${TARGET} = ARM; then
3352         dnl ******************************************
3353         dnl *** Check to see what FPU is available ***
3354         dnl ******************************************
3355         AC_MSG_CHECKING(which FPU to use)
3356
3357         #
3358         # This is a bit tricky:
3359         #
3360         # if (__ARM_PCS_VFP) {
3361         #       /* mfloat-abi=hard == VFP with hard ABI */
3362         # } elif (!__SOFTFP__) {
3363         #       /* mfloat-abi=softfp == VFP with soft ABI */
3364         # } else {
3365         #       /* mfloat-abi=soft == no VFP */
3366         # }
3367         #
3368         # The exception is iOS (w/ GCC) where none of the above
3369         # are defined (but iOS always uses the 'softfp' ABI).
3370         #
3371         # No support for FPA.
3372         #
3373
3374         fpu=NONE
3375
3376         # iOS GCC always uses the 'softfp' ABI.
3377         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3378                 fpu=VFP
3379         fi
3380
3381         # Are we using the 'hard' ABI?
3382         if test x$fpu = xNONE; then
3383                 AC_TRY_COMPILE([], [
3384                         #ifndef __ARM_PCS_VFP
3385                         #error "Float ABI is not 'hard'"
3386                         #endif
3387                         return 0;
3388                 ], [
3389                         fpu=VFP_HARD
3390                 ], [
3391                         fpu=NONE
3392                 ])
3393         fi
3394
3395         # No 'hard' ABI. 'soft' or 'softfp'?
3396         if test x$fpu = xNONE; then
3397                 AC_TRY_COMPILE([], [
3398                         #ifdef __SOFTFP__
3399                         #error "Float ABI is not 'softfp'"
3400                         #endif
3401                         return 0;
3402                 ], [
3403                         fpu=VFP
3404                 ], [
3405                         fpu=NONE
3406                 ])
3407         fi
3408
3409         AC_MSG_RESULT($fpu)
3410         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3411         unset fpu
3412
3413         dnl *********************************************
3414         dnl *** Check which ARM version(s) we can use ***
3415         dnl *********************************************
3416         AC_MSG_CHECKING(which ARM version to use)
3417
3418         AC_TRY_COMPILE([], [
3419                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3420                 #error Not on ARM v5.
3421                 #endif
3422                 return 0;
3423         ], [
3424                 arm_v5=yes
3425
3426                 arm_ver=ARMv5
3427         ], [])
3428
3429         AC_TRY_COMPILE([], [
3430                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3431                 #error Not on ARM v6.
3432                 #endif
3433                 return 0;
3434         ], [
3435                 arm_v5=yes
3436                 arm_v6=yes
3437
3438                 arm_ver=ARMv6
3439         ], [])
3440
3441         AC_TRY_COMPILE([], [
3442                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3443                 #error Not on ARM v7.
3444                 #endif
3445                 return 0;
3446         ], [
3447                 arm_v5=yes
3448                 arm_v6=yes
3449                 arm_v7=yes
3450
3451                 arm_ver=ARMv7
3452         ], [])
3453
3454         AC_MSG_RESULT($arm_ver)
3455
3456         if test x$arm_v5 = xyes; then
3457                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3458                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3459         fi
3460
3461         if test x$arm_v6 = xyes; then
3462                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3463                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3464         fi
3465
3466         if test x$arm_v7 = xyes; then
3467                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3468                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3469         fi
3470 fi
3471
3472 if test ${TARGET} = ARM; then
3473         if test "x${with_jumptables}" = "xyes"; then
3474                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3475         fi
3476 fi
3477
3478 if test ${TARGET} = unknown; then
3479         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3480         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3481 fi
3482
3483 if test ${ACCESS_UNALIGNED} = no; then
3484         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3485 fi
3486
3487 case "x$libgc" in
3488         xincluded)
3489                 # Pass CPPFLAGS to libgc configure
3490                 # We should use a separate variable for this to avoid passing useless and
3491                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3492                 # This should be executed late so we pick up the final version of CPPFLAGS
3493                 # The problem with this approach, is that during a reconfigure, the main
3494                 # configure scripts gets invoked with these arguments, so we use separate
3495                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3496                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3497                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3498                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3499                 fi
3500                 # Don't pass -finstrument-for-thread-suspension in, 
3501                 # if these are instrumented it will be very bad news 
3502                 # (infinite recursion, undefined parking behavior, etc)
3503                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3504                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3505                 if test "x$support_boehm" = "xyes"; then
3506                         AC_CONFIG_SUBDIRS(libgc)
3507                 fi
3508                 ;;
3509 esac
3510
3511 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])
3512 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3513 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3514 AC_ARG_WITH(xammac,    [  --with-xammac=yes,no,only       If you want to build the Xamarin.Mac assemblies (defaults to no)],   [], [with_xammac=no])
3515
3516 OPROFILE=no
3517 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3518         if test x$with_oprofile != xno; then
3519             oprofile_include=$with_oprofile/include
3520             if test ! -f $oprofile_include/opagent.h; then
3521                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3522                 fi
3523             OPROFILE=yes
3524                 OPROFILE_CFLAGS="-I$oprofile_include"
3525             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3526             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3527         fi
3528 ])
3529
3530 MALLOC_MEMPOOLS=no
3531 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3532         if test x$with_malloc_mempools = xyes; then
3533                 MALLOC_MEMPOOLS=yes
3534                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3535         fi
3536 ])
3537
3538
3539 DISABLE_MCS_DOCS=no
3540 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3541         if test x$with_mcs_docs != xyes; then
3542                 DISABLE_MCS_DOCS=yes
3543         fi
3544 ])
3545 if test x$with_profile4_5 != xyes; then
3546         DISABLE_MCS_DOCS=yes
3547 fi
3548
3549 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)],[
3550         if test x$with_lazy_gc_thread_creation != xno ; then
3551                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3552         fi
3553 ], [with_lazy_gc_thread_creation=no])
3554
3555 AC_CHECK_HEADER([malloc.h], 
3556                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3557                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3558
3559 if test x"$GCC" = xyes; then
3560         # Implicit function declarations are not 64 bit safe
3561         # Do this late, since this causes lots of configure tests to fail
3562         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3563         # jay has a lot of implicit declarations
3564         JAY_CFLAGS="-Wno-implicit-function-declaration"
3565 fi
3566
3567 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3568 # instead of libmono-static.a
3569 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3570    LIBMONO_LA=libmini-static.la
3571 else
3572    if test x$buildsgen = xyes; then
3573       LIBMONO_LA=libmonosgen-$API_VER.la
3574    else
3575       LIBMONO_LA=libmonoboehm-$API_VER.la
3576    fi
3577 fi
3578 AC_SUBST(LIBMONO_LA)
3579
3580 dnl
3581 dnl Consistency settings
3582 dnl
3583 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3584    DISABLE_MCS_DOCS=yes
3585    with_profile4_5=no
3586    with_monodroid=no
3587    with_monotouch=no
3588    with_xammac=no
3589 fi
3590
3591 if test x$DISABLE_MCS_DOCS = xyes; then
3592    docs_dir=""
3593 else
3594    docs_dir=docs
3595 fi
3596 AC_SUBST(docs_dir)
3597
3598 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3599 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3600
3601 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3602 AC_SUBST(OPROFILE_CFLAGS)
3603 AC_SUBST(OPROFILE_LIBS)
3604
3605 libmono_ldflags="$libmono_ldflags $LIBS"
3606
3607 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3608 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3609 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3610 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3611 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3612 AM_CONDITIONAL(ONLY_XAMMAC, [test "x$with_xammac" = "xonly"])
3613
3614 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3615 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3616 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3617 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3618 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3619 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3620 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3621 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3622 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3623 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3624 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3625 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3626 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3627 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3628 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3629 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3630 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3631 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3632
3633 AM_CONDITIONAL(INCLUDED_LIBGC, test x$libgc = xincluded)
3634
3635 AC_SUBST(LIBC)
3636 AC_SUBST(INTL)
3637 AC_SUBST(SQLITE)
3638 AC_SUBST(SQLITE3)
3639 AC_SUBST(X11)
3640 AC_SUBST(GDKX11)
3641 AC_SUBST(GTKX11)
3642 AC_SUBST(XINERAMA)
3643 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3644 AC_SUBST(arch_target)
3645 AC_SUBST(CFLAGS)
3646 AC_SUBST(CPPFLAGS)
3647 AC_SUBST(LDFLAGS)
3648
3649 mono_build_root=`pwd`
3650 AC_SUBST(mono_build_root)
3651
3652 mono_runtime=mono/mini/mono
3653 AC_SUBST(mono_runtime)
3654
3655 mono_cfg_root=$mono_build_root/runtime
3656 if test x$host_win32 = xyes; then
3657   if test "x$cross_compiling" = "xno"; then
3658     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3659   else
3660     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3661   fi
3662 else
3663   mono_cfg_dir=$mono_cfg_root/etc
3664 fi
3665 AC_SUBST(mono_cfg_dir)
3666
3667 AC_CONFIG_FILES([po/mcs/Makefile.in])
3668
3669 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3670 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3671
3672 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3673 [   depth=../../../..
3674     case $srcdir in
3675     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3676     .) reldir=$depth ;;
3677     *) reldir=$depth/$srcdir ;;
3678     esac
3679     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3680     cd runtime/etc/mono/1.0
3681     rm -f machine.config
3682     $LN_S $reldir/data/net_1_1/machine.config machine.config
3683     cd $depth
3684 ],[LN_S='$LN_S'])
3685
3686 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3687 [   depth=../../../..
3688     case $srcdir in
3689     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3690     .) reldir=$depth ;;
3691     *) reldir=$depth/$srcdir ;;
3692     esac
3693     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3694     cd runtime/etc/mono/2.0
3695     rm -f machine.config
3696     $LN_S $reldir/data/net_2_0/machine.config machine.config
3697     cd $depth
3698 ],[LN_S='$LN_S'])
3699
3700 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3701 [   depth=../../../..
3702     case $srcdir in
3703     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3704     .) reldir=$depth ;;
3705     *) reldir=$depth/$srcdir ;;
3706     esac
3707     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3708     cd runtime/etc/mono/2.0
3709     rm -f web.config
3710     $LN_S $reldir/data/net_2_0/web.config web.config
3711     cd $depth
3712 ],[LN_S='$LN_S'])
3713
3714 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3715 [   depth=../../..
3716     case $srcdir in
3717     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3718     .) reldir=$depth ;;
3719     *) reldir=$depth/$srcdir ;;
3720     esac
3721     $ac_aux_dir/install-sh -d runtime/etc/mono/
3722     cd runtime/etc/mono/
3723     rm -f browscap.ini
3724     $LN_S $reldir/data/browscap.ini browscap.ini
3725     cd $depth
3726 ],[LN_S='$LN_S'])
3727
3728 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3729 [   depth=../../../../..
3730     case $srcdir in
3731     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3732     .) reldir=$depth ;;
3733     *) reldir=$depth/$srcdir ;;
3734     esac
3735     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3736     cd runtime/etc/mono/2.0/Browsers
3737     rm -f Compat.browser
3738     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3739     cd $depth
3740 ],[LN_S='$LN_S'])
3741
3742 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3743 [   depth=../../../../..
3744     case $srcdir in
3745     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3746     .) reldir=$depth ;;
3747     *) reldir=$depth/$srcdir ;;
3748     esac
3749     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3750     cd runtime/etc/mono/4.0/Browsers
3751     rm -f Compat.browser
3752     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3753     cd $depth
3754 ],[LN_S='$LN_S'])
3755
3756 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3757 [   depth=../../../../..
3758     case $srcdir in
3759     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3760     .) reldir=$depth ;;
3761     *) reldir=$depth/$srcdir ;;
3762     esac
3763     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3764     cd runtime/etc/mono/4.5/Browsers
3765     rm -f Compat.browser
3766     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3767     cd $depth
3768 ],[LN_S='$LN_S'])
3769
3770 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3771 [   depth=../../../..
3772     case $srcdir in
3773     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3774     .) reldir=$depth ;;
3775     *) reldir=$depth/$srcdir ;;
3776     esac
3777     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3778     cd runtime/etc/mono/4.0
3779     rm -f machine.config
3780     $LN_S $reldir/data/net_4_0/machine.config machine.config
3781     cd $depth
3782 ],[LN_S='$LN_S'])
3783
3784 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3785 [   depth=../../../..
3786     case $srcdir in
3787     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3788     .) reldir=$depth ;;
3789     *) reldir=$depth/$srcdir ;;
3790     esac
3791     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3792     cd runtime/etc/mono/4.0
3793     rm -f web.config
3794     $LN_S $reldir/data/net_4_0/web.config web.config
3795     cd $depth
3796 ],[LN_S='$LN_S'])
3797
3798 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3799 [   depth=../../../..
3800     case $srcdir in
3801     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3802     .) reldir=$depth ;;
3803     *) reldir=$depth/$srcdir ;;
3804     esac
3805     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3806     cd runtime/etc/mono/4.5
3807     rm -f machine.config
3808     $LN_S $reldir/data/net_4_5/machine.config machine.config
3809     cd $depth
3810 ],[LN_S='$LN_S'])
3811
3812 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3813 [   depth=../../../..
3814     case $srcdir in
3815     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3816     .) reldir=$depth ;;
3817     *) reldir=$depth/$srcdir ;;
3818     esac
3819     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3820     cd runtime/etc/mono/4.5
3821     rm -f web.config
3822     $LN_S $reldir/data/net_4_5/web.config web.config
3823     cd $depth
3824 ],[LN_S='$LN_S'])
3825
3826 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])
3827
3828 AC_OUTPUT([
3829 Makefile
3830 mono-core.spec
3831 mono-uninstalled.pc
3832 scripts/mono-find-provides
3833 scripts/mono-find-requires
3834 mono/Makefile
3835 mono/utils/Makefile
3836 mono/metadata/Makefile
3837 mono/dis/Makefile
3838 mono/cil/Makefile
3839 mono/arch/Makefile
3840 mono/arch/x86/Makefile
3841 mono/arch/amd64/Makefile
3842 mono/arch/ppc/Makefile
3843 mono/arch/sparc/Makefile
3844 mono/arch/s390x/Makefile
3845 mono/arch/arm/Makefile
3846 mono/arch/arm64/Makefile
3847 mono/arch/ia64/Makefile
3848 mono/arch/mips/Makefile
3849 mono/tests/Makefile
3850 mono/tests/tests-config
3851 mono/tests/assemblyresolve/Makefile
3852 mono/tests/cas/Makefile
3853 mono/tests/cas/assembly/Makefile
3854 mono/tests/cas/demand/Makefile
3855 mono/tests/cas/inheritance/Makefile
3856 mono/tests/cas/linkdemand/Makefile
3857 mono/tests/cas/threads/Makefile
3858 mono/tests/gc-descriptors/Makefile
3859 mono/unit-tests/Makefile
3860 mono/benchmark/Makefile
3861 mono/io-layer/Makefile
3862 mono/mini/Makefile
3863 mono/profiler/Makefile
3864 m4/Makefile
3865 ikvm-native/Makefile
3866 scripts/Makefile
3867 man/Makefile
3868 docs/Makefile
3869 data/Makefile
3870 data/net_2_0/Makefile
3871 data/net_4_0/Makefile
3872 data/net_4_5/Makefile
3873 data/net_2_0/Browsers/Makefile
3874 data/net_4_0/Browsers/Makefile
3875 data/net_4_5/Browsers/Makefile
3876 data/mint.pc
3877 data/mono-2.pc
3878 data/monosgen-2.pc
3879 data/mono.pc
3880 data/mono-cairo.pc
3881 data/mono-nunit.pc
3882 data/mono-options.pc
3883 data/mono-lineeditor.pc
3884 data/monodoc.pc
3885 data/dotnet.pc
3886 data/dotnet35.pc
3887 data/wcf.pc
3888 data/cecil.pc
3889 data/system.web.extensions_1.0.pc
3890 data/system.web.extensions.design_1.0.pc
3891 data/system.web.mvc.pc
3892 data/system.web.mvc2.pc
3893 data/system.web.mvc3.pc
3894 data/aspnetwebstack.pc
3895 data/reactive.pc
3896 samples/Makefile
3897 support/Makefile
3898 data/config
3899 tools/Makefile
3900 tools/locale-builder/Makefile
3901 tools/sgen/Makefile
3902 tools/monograph/Makefile
3903 runtime/Makefile
3904 msvc/Makefile
3905 po/Makefile
3906 ])
3907
3908 # Update all submodules recursively to ensure everything is checked out
3909 $srcdir/scripts/update_submodules
3910
3911 if test x$host_win32 = xyes; then
3912    # Get rid of 'cyg' prefixes in library names
3913    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3914    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3915    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3916    # executable doesn't work...
3917    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3918 fi
3919
3920 if test x$platform_darwin = xyes; then
3921    # This doesn't seem to be required and it slows down parallel builds
3922    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3923 fi
3924
3925 (
3926   case $prefix in
3927   NONE) prefix=$ac_default_prefix ;;
3928   esac
3929   case $exec_prefix in
3930   NONE) exec_prefix='${prefix}' ;;
3931   esac
3932
3933   #
3934   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3935   # any existing config.make.  This allows people to share the same source tree
3936   # with different build directories, one native and one cross
3937   #
3938   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3939
3940     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3941
3942     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3943     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3944     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3945     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3946     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3947     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3948     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3949     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3950
3951     case $INSTALL in
3952     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3953     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3954     esac
3955
3956     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3957
3958     export VERSION
3959     [myver=$($AWK 'BEGIN {
3960       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3961       if(length(vsplit [1]) > 4) {
3962         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3963       }
3964       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3965     }')]
3966
3967     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3968
3969     if test x$platform_darwin = xyes; then
3970       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3971     fi
3972
3973         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3974            enable_system_aot=yes
3975         fi
3976
3977     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3978       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3979     fi
3980
3981     if test x$DISABLE_MCS_DOCS = xyes; then
3982       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3983     fi
3984
3985     if test x$has_extension_module != xno; then
3986         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3987     fi
3988
3989         default_profile=net_4_5
3990     if test -z "$INSTALL_MONODROID_TRUE"; then :
3991                 default_profile=monodroid
3992     fi
3993     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3994                 default_profile=monotouch
3995     fi
3996         if test -z "$INSTALL_XAMMAC_TRUE"; then :
3997                 default_profile=xammac
3998         fi
3999     if test -z "$INSTALL_4_5_TRUE"; then :
4000                 default_profile=net_4_5
4001     fi
4002     
4003     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4004     
4005     if test "x$test_bcl_opt" = "xyes"; then    
4006       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4007     fi
4008
4009   fi
4010
4011   # if we have an olive folder, override the default settings
4012   if test -d $olivedir; then
4013
4014     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
4015
4016       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
4017
4018       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
4019       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
4020       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
4021       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
4022       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
4023       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
4024     fi
4025   fi
4026
4027 )
4028
4029 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4030
4031 echo "
4032         mcs source:    $mcsdir
4033
4034    Engine:
4035         Host:          $host
4036         Target:        $target
4037         GC:            $gc_msg 
4038         TLS:           $with_tls
4039         SIGALTSTACK:   $with_sigaltstack
4040         Engine:        $jit_status
4041         oprofile:      $OPROFILE
4042         BigArrays:     $enable_big_arrays
4043         DTrace:        $enable_dtrace
4044         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4045
4046    Libraries:
4047         .NET 4.5:      $with_profile4_5
4048         MonoDroid:     $with_monodroid
4049         MonoTouch:     $with_monotouch
4050         Xamarin.Mac:   $with_xammac
4051         JNI support:   $jdk_headers_found
4052         libgdiplus:    $libgdiplus_msg
4053         zlib:          $zlib_msg
4054         $disabled
4055 "
4056 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4057    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4058 fi