Merge pull request #1404 from woodsb02/mono-route
[mono.git] / configure.ac
1 # Process this file with autoconf to produce a configure script.
2 #AC_PREREQ([2.62])
3
4 AC_INIT(mono, [3.99.0],
5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
6
7 AC_CONFIG_SRCDIR([README.md])
8 AC_CONFIG_MACRO_DIR([m4])
9 AC_CANONICAL_SYSTEM
10 AC_CANONICAL_HOST
11
12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
13 # The extra brackets are to foil regex-based scans.
14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
15
16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects])
17 AC_CONFIG_HEADERS([config.h])
18 AM_MAINTAINER_MODE
19
20 API_VER=2.0
21 AC_SUBST(API_VER)
22
23 AC_PROG_LN_S
24
25 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
26
27 case $host_os in
28 *cygwin* )
29                  echo "Run configure using ./configure --host=i686-pc-mingw32"
30                  exit 1
31 esac
32
33 # In case of cygwin, override LN_S, irrespective of what it determines.
34 # The build uses cygwin, but the actual runtime doesn't.
35 case $host_os in
36 *cygwin* ) LN_S='cp -p';;
37 esac
38
39 #
40 # libgc defaults
41 #
42 libgc_configure_args=
43
44 if test -d $srcdir/libgc ; then
45   libgc_default=included
46 else
47   libgc_default=boehm
48 fi
49
50 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
51 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
52 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
53 CFLAGS_FOR_LIBGC=$CFLAGS
54 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
55 CFLAGS_FOR_EGLIB=$CFLAGS
56
57 # libgc uses some deprecated APIs
58 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
59
60 #
61 # These are the flags that need to be stored in the mono.pc file for 
62 # compiling code that will embed Mono
63 #
64 libmono_cflags=""
65 libmono_ldflags=""
66 AC_SUBST(libmono_cflags)
67 AC_SUBST(libmono_ldflags)
68
69 # Variable to have relocatable .pc files (lib, or lib64)
70 reloc_libdir=`basename ${libdir}`
71 AC_SUBST(reloc_libdir)
72
73 dnl if linker handles the version script
74 no_version_script=no
75
76 # Set to yes if Unix sockets cannot be created in an anonymous namespace
77 need_link_unlink=no
78
79 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
80 extra_runtime_ldflags=""
81
82 # Thread configuration inspired by sleepycat's db
83 AC_MSG_CHECKING([host platform characteristics])
84 libgc_threads=no
85 has_dtrace=no
86 parallel_mark=yes
87 ikvm_native=yes
88
89 case "$host" in
90         powerpc*-*-linux*)
91                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
92                 disable_munmap=yes
93         ;;
94 esac
95
96 host_win32=no
97 target_win32=no
98 platform_android=no
99 platform_darwin=no
100 case "$host" in
101         *-mingw*|*-*-cygwin*)
102                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
103                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
104                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
105                 host_win32=yes
106                 mono_cv_clang=no
107                 if test "x$cross_compiling" = "xno"; then
108                         target_win32=yes
109                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
110                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
111                         fi
112                 else
113                         target_win32=yes
114                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
115                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
116                 fi
117                 HOST_CC="gcc"
118                 # Windows XP SP2 is required
119                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0502 -D_WIN32_WINNT=0x0502 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
120                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
121                 libmono_cflags="-mms-bitfields -mwindows"
122                 libmono_ldflags="-mms-bitfields -mwindows"
123                 libdl=
124                 libgc_threads=win32
125                 libgc_default=included
126                 with_sigaltstack=no
127                 with_tls=pthread
128                 LN_S=cp
129                 # This forces libgc to use the DllMain based thread registration code on win32
130                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
131                 ;;
132         *-*-*netbsd*)
133                 host_win32=no
134                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
135                 libmono_cflags="-D_REENTRANT"
136                 LDFLAGS="$LDFLAGS -pthread"
137                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
138                 libmono_ldflags="-pthread"
139                 need_link_unlink=yes
140                 libdl="-ldl"
141                 libgc_threads=pthreads
142                 with_sigaltstack=no
143                 use_sigposix=yes
144                 ;;
145         *-*-kfreebsd*-gnu)
146                 host_win32=no
147                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
148                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
149                 libmono_ldflags="-lpthread -pthread"
150                 libdl="-ldl"
151                 libgc_threads=pthreads
152                 need_link_unlink=yes
153                 with_sigaltstack=no
154                 use_sigposix=yes
155                 ;;
156         *-*-*freebsd*)
157                 host_win32=no
158                 if test "x$PTHREAD_CFLAGS" = "x"; then
159                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
160                         libmono_cflags=
161                 else
162                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
163                         libmono_cflags="$PTHREAD_CFLAGS"
164                 fi
165                 if test "x$PTHREAD_LIBS" = "x"; then
166                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
167                         libmono_ldflags="-pthread"
168                 else
169                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
170                         libmono_ldflags="$PTHREAD_LIBS"
171                 fi
172                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
173                 need_link_unlink=yes
174                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
175                 libdl=
176                 libgc_threads=pthreads
177                 use_sigposix=yes
178                 has_dtrace=yes
179                 ;;
180         *-*-*openbsd*)
181                 host_win32=no
182                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
183                 if test "x$disable_munmap" != "xyes"; then
184                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
185                 fi
186                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
187                 LDFLAGS="$LDFLAGS -pthread"
188                 need_link_unlink=yes
189                 AC_DEFINE(PTHREAD_POINTER_ID)
190                 libdl=
191                 libgc_default=boehm
192                 libgc_threads=pthreads
193                 with_sigaltstack=no
194                 use_sigposix=yes
195                 ;;
196         *-*-linux-android*)
197                 host_win32=no
198                 platform_android=yes
199                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
200                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
201
202                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
203                 if test "x$disable_munmap" != "xyes"; then
204                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
205                 fi
206                 libmono_cflags="-D_REENTRANT"
207                 libdl="-ldl"
208                 libgc_threads=pthreads
209                 use_sigposix=yes
210
211                 with_tls=pthread
212                 with_sigaltstack=no
213                 with_static_mono=no
214
215                 # Android doesn't support boehm, as it's missing <link.h>
216                 support_boehm=no
217                 with_gc=sgen
218
219                 # isinf(3) requires -lm; see isinf check below
220                 LDFLAGS="$LDFLAGS -lm"
221
222                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
223                 # PAGE_SIZE; breaks mono/io-layer/collection.c
224                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
225                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
226                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
227
228                 # The configure check can't detect this
229                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
230
231                 # to bypass the underscore linker check, can't work when cross-compiling
232                 mono_cv_uscore=yes
233                 mono_cv_clang=no
234                 ;;
235         *-*-linux*)
236                 host_win32=no
237                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
238                 if test "x$disable_munmap" != "xyes"; then
239                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
240                 fi
241                 libmono_cflags="-D_REENTRANT"
242                 libdl="-ldl"
243                 libgc_threads=pthreads
244                 use_sigposix=yes
245                 if test "x$cross_compiling" != "xno"; then
246                         # to bypass the underscore linker check, not
247                         # available during cross-compilation
248                         mono_cv_uscore=no
249                 fi
250                 case "$host" in
251                 aarch64-*)
252                         support_boehm=no
253                         with_gc=sgen
254                         ;;
255                 esac
256                 ;;
257         *-*-nacl*)
258                 host_win32=no
259                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
260                 if test "x$disable_munmap" != "xyes"; then
261                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
262                 fi
263                 libmono_cflags="-D_REENTRANT"
264                 libdl=
265                 libgc_threads=pthreads
266                 libgc_default=boehm
267                 use_sigposix=yes
268                 ikvm_native=no
269                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
270                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
271                 ;;
272         *-*-hpux*)
273                 host_win32=no
274                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
275                 # +ESdbgasm only valid on bundled cc on RISC
276                 # silently ignored for ia64
277                 if test $GCC != "yes"; then
278                         CFLAGS="$CFLAGS +ESdbgasm"
279                         # Arrange for run-time dereferencing of null
280                         # pointers to produce a SIGSEGV signal.
281                         LDFLAGS="$LDFLAGS -z"
282                 fi
283                 CFLAGS="$CFLAGS +ESdbgasm"
284                 LDFLAGS="$LDFLAGS -z"
285                 libmono_cflags="-D_REENTRANT"
286                 libmono_ldflags="-lpthread"
287                 libgc_threads=pthreads
288                 need_link_unlink=yes
289                 use_sigposix=yes
290                 ;;
291         *-*-solaris*)
292                 host_win32=no
293                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
294                 need_link_unlink=yes
295                 libmono_cflags="-D_REENTRANT"
296                 libgc_threads=pthreads
297                 # This doesn't seem to work on solaris/x86, but the configure test runs
298                 with_tls=pthread
299                 has_dtrace=yes
300                 use_sigposix=yes
301                 enable_solaris_tar_check=yes
302                 ;;
303         *-*-darwin*)
304                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
305                 host_win32=no
306                 platform_darwin=yes
307                 target_mach=yes
308                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
309                 libmono_cflags="-D_THREAD_SAFE"
310                 need_link_unlink=yes
311                 AC_DEFINE(PTHREAD_POINTER_ID)
312                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
313                 no_version_script=yes
314                 libdl=
315                 libgc_threads=pthreads
316                 has_dtrace=yes
317                 if test "x$cross_compiling" = "xyes"; then
318                         has_broken_apple_cpp=yes
319                 fi
320                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
321                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
322                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
323                 case "$host" in
324                         dnl Snow Leopard and newer config.guess reports as this
325                         i*86-*-darwin*)
326                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
327                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
328                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
329                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
330                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
331                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
332                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
333                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
334                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
335                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
336                                 ;;
337                         x*64-*-darwin*)
338                                 ;;
339                         arm*-darwin*)
340                                 has_dtrace=no
341                                 ;;                      
342                 esac
343                 ;;
344         *-*-haiku*)
345                 host_win32=no
346                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
347                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
348                 libdl=
349                 LIBS="$LIBS -lnetwork"
350                 need_link_unlink=yes
351                 AC_DEFINE(PTHREAD_POINTER_ID)
352                 libgc_threads=pthreads
353                 use_sigposix=yes
354                 ;;
355         *)
356                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
357                 host_win32=no
358                 libdl="-ldl"
359                 ;;
360 esac
361 AC_MSG_RESULT(ok)
362
363 if test x$need_link_unlink = xyes; then
364    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
365 fi
366
367 AC_SUBST(extra_runtime_ldflags)
368 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
369 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
370 AM_CONDITIONAL(PLATFORM_GNU, echo x$target_os | grep -q -- -gnu)
371 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
372 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
373 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
374 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
375
376 AC_CHECK_TOOL(CC, gcc, gcc)
377 AC_PROG_CC
378 AC_CHECK_TOOL(CXX, g++, g++)
379 AC_PROG_CXX
380 AM_PROG_AS
381 AC_PROG_INSTALL
382 AC_PROG_AWK
383 AM_PROG_CC_C_O
384 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
385 : ${CCAS='$(CC)'}
386 # Set ASFLAGS if not already set.
387 : ${CCASFLAGS='$(CFLAGS)'}
388 AC_SUBST(CCAS)
389 AC_SUBST(CCASFLAGS)
390
391 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
392 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
393 if test "x$CXX" = "xg++"; then
394         if test "x$GXX" != "xyes"; then
395                 # automake/libtool is so broken, it requires g++ even if the c++ sources
396                 # are inside automake conditionals
397                 AC_MSG_ERROR([You need to install g++])
398         fi
399 fi
400
401 dnl may require a specific autoconf version
402 dnl AC_PROG_CC_FOR_BUILD
403 dnl CC_FOR_BUILD not automatically detected
404 CC_FOR_BUILD=$CC
405 CFLAGS_FOR_BUILD=$CFLAGS
406 BUILD_EXEEXT=
407 if test "x$cross_compiling" = "xyes"; then
408         CC_FOR_BUILD=cc
409         CFLAGS_FOR_BUILD=
410         BUILD_EXEEXT=""
411 fi
412 AC_SUBST(CC_FOR_BUILD)
413 AC_SUBST(CFLAGS_FOR_BUILD)
414 AC_SUBST(HOST_CC)
415 AC_SUBST(BUILD_EXEEXT)
416
417 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
418 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
419
420 # Set STDC_HEADERS
421 AC_HEADER_STDC
422 AC_LIBTOOL_WIN32_DLL
423 # This causes monodis to not link correctly
424 #AC_DISABLE_FAST_INSTALL
425 AM_PROG_LIBTOOL
426 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
427 DOLT
428
429 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
430 AC_SUBST(export_ldflags)
431
432 # Test whenever ld supports -version-script
433 AC_PROG_LD
434 AC_PROG_LD_GNU
435 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
436    no_version_script=yes
437 fi
438
439 AM_ICONV()
440
441 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
442
443 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h sys/utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h sys/uio.h sys/param.h sys/sysctl.h libproc.h)
444 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/sem.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h sys/inotify.h arpa/inet.h)
445 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
446                   [], [], [#include <stddef.h>
447                   #include <sys/socket.h>
448                   #include <linux/socket.h>])
449
450 AC_CHECK_HEADERS(sys/user.h, [], [],
451 [
452 #ifdef HAVE_SYS_PARAM_H
453 # include <sys/param.h>
454 #endif
455 ])
456
457 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
458 if test x$have_zlib = xyes; then
459    AC_TRY_COMPILE([#include <zlib.h>], [
460    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
461    return 0;
462    #else
463    #error No good zlib found
464    #endif
465    ],[
466         AC_MSG_RESULT(Using system zlib)
467         zlib_msg="system zlib"
468         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
469    ],[
470         AC_MSG_RESULT(Using embedded zlib)
471         have_zlib=no
472         zlib_msg="bundled zlib"
473    ])
474 fi
475
476 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
477 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
478
479 # for mono/metadata/debug-symfile.c
480 AC_CHECK_HEADERS(elf.h)
481
482 # for support
483 AC_CHECK_HEADERS(poll.h)
484 AC_CHECK_HEADERS(sys/poll.h)
485 AC_CHECK_HEADERS(sys/wait.h)
486 AC_CHECK_HEADERS(grp.h)
487 AC_CHECK_HEADERS(syslog.h)
488
489 # for mono/dis
490 AC_CHECK_HEADERS(wchar.h)
491 AC_CHECK_HEADERS(ieeefp.h)
492 AC_MSG_CHECKING(for isinf)
493 AC_TRY_LINK([#include <math.h>], [
494         int f = isinf (1.0);
495 ], [
496         AC_MSG_RESULT(yes)
497         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
498 ], [
499         # We'll have to use signals
500         AC_MSG_RESULT(no)
501 ])
502 # mingw
503 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
504         AC_TRY_LINK([#include <math.h>], 
505         [ _finite(0.0); ], 
506         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
507         AC_MSG_RESULT(no)))
508
509 # for Linux statfs support
510 AC_CHECK_HEADERS(linux/magic.h)
511
512 # not 64 bit clean in cross-compile
513 AC_CHECK_SIZEOF(void *, 4)
514
515 AC_CACHE_CHECK([for clang],
516         mono_cv_clang,[
517         AC_TRY_COMPILE([], [
518                 #ifdef __clang__
519                 #else
520                 #error "FAILED"
521                 #endif
522                 return 0;
523         ],
524         [mono_cv_clang=yes],
525         [mono_cv_clang=no],
526         [])
527 ])
528
529 WARN=''
530 if test x"$GCC" = xyes; then
531         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
532                 # The runtime code does not respect ANSI C strict aliasing rules
533                 CFLAGS="$CFLAGS -fno-strict-aliasing"
534
535                 # We rely on signed overflow to behave
536                 CFLAGS="$CFLAGS -fwrapv"
537
538                 ORIG_CFLAGS=$CFLAGS
539                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
540                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
541                 AC_TRY_COMPILE([],[
542                                 return 0;
543                 ], [
544                    AC_MSG_RESULT(yes)
545                 ], [
546                    AC_MSG_RESULT(no)
547                    CFLAGS=$ORIG_CFLAGS
548                 ])
549
550                 ORIG_CFLAGS=$CFLAGS
551                 # Check for the normal version, since gcc ignores unknown -Wno options
552                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
553                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
554                 AC_TRY_COMPILE([],[
555                                 return 0;
556                 ], [
557                    AC_MSG_RESULT(yes)
558                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
559                 ], [
560                    AC_MSG_RESULT(no)
561                    CFLAGS=$ORIG_CFLAGS
562                 ])
563
564                 if test "x$mono_cv_clang" = "xyes"; then
565                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
566                    WARN="$WARN -Qunused-arguments"
567                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign"
568                 fi
569 else
570         # The Sun Forte compiler complains about inline functions that access static variables
571         # so disable all inlining.
572         case "$host" in
573         *-*-solaris*)
574                 CFLAGS="$CFLAGS -Dinline="
575                 ;;
576         esac
577 fi
578 CFLAGS="$CFLAGS -g $WARN"
579 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
580 CPPFLAGS="$CPPFLAGS -g $WARN"
581
582 # Where's the 'mcs' source tree?
583 if test -d $srcdir/mcs; then
584   mcsdir=mcs
585 else
586   mcsdir=../mcs
587 fi
588
589 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
590         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
591                 mcsdir=$with_mcs_path
592         fi
593 )
594
595 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
596
597 #
598 # A sanity check to catch cases where the package was unpacked
599 # with an ancient tar program (Solaris)
600 #
601 AC_ARG_ENABLE(solaris-tar-check,
602 [  --disable-solaris-tar-check    disable solaris tar check],
603    do_solaris_tar_check=no, do_solaris_tar_check=yes)
604
605 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
606         AC_MSG_CHECKING(integrity of package)
607         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
608         then
609                 AC_MSG_RESULT(ok)
610         else
611                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
612                 AC_MSG_ERROR([$errorm])
613         fi
614 fi
615
616 if test "x$with_mcs_path" != "x"; then
617 mcs_topdir=$(cd "$mcsdir" && pwd)
618 mcs_topdir_from_srcdir=$mcs_topdir
619 else
620 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
621 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
622 fi
623
624 # Convert mcs_topdir* paths to Windows syntax.
625 if test x$cross_compiling$host_win32 = xnoyes; then
626   mcs_topdir=$(cygpath -m $mcs_topdir)
627   case $mcs_topdir_from_srcdir in
628     /cygdrive/*)
629         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
630         ;;
631   esac
632 fi
633
634 AC_SUBST([mcs_topdir])
635 AC_SUBST([mcs_topdir_from_srcdir])
636
637 # Where's the 'olive' source tree?
638 if test -d $srcdir/olive; then
639   olivedir=olive
640 else
641   olivedir=../olive
642 fi
643
644 if test -d $srcdir/$olivedir; then
645 olive_topdir='$(top_srcdir)/'$olivedir
646 fi
647
648 # gettext: prepare the translation directories. 
649 # we do not configure the full gettext, as we consume it dynamically from C#
650 AM_PO_SUBDIRS
651
652 if test "x$USE_NLS" = "xyes"; then
653    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
654
655    if test "x$HAVE_MSGFMT" = "xno"; then
656           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
657    fi
658 fi
659
660 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
661
662 pkg_config_path=
663 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
664         if test x$with_crosspkgdir = "x"; then
665                 if test -s $PKG_CONFIG_PATH; then
666                         pkg_config_path=$PKG_CONFIG_PATH
667                 fi
668         else
669                 pkg_config_path=$with_crosspkgdir
670                 PKG_CONFIG_PATH=$pkg_config_path
671                 export PKG_CONFIG_PATH
672         fi
673 )
674
675 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
676 if test x$werror_flag = xyes; then
677         WERROR_CFLAGS="-Werror"
678 fi
679 AC_SUBST([WERROR_CFLAGS])
680
681 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
682 AC_CONFIG_SUBDIRS(eglib)
683
684 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
685 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
686 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
687 BUILD_GLIB_LIBS="$GLIB_LIBS"
688 GMODULE_CFLAGS="$GLIB_CFLAGS"
689 GMODULE_LIBS="$GLIB_LIBS"
690   
691 AC_SUBST(GLIB_CFLAGS)
692 AC_SUBST(GLIB_LIBS)
693 AC_SUBST(GMODULE_CFLAGS)
694 AC_SUBST(GMODULE_LIBS)
695 AC_SUBST(BUILD_GLIB_CFLAGS)
696 AC_SUBST(BUILD_GLIB_LIBS)
697
698 # Enable support for fast thread-local storage
699 # Some systems have broken support, so we allow to disable it.
700 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
701
702 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
703 # This does not work on some platforms (bug #55253)
704 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
705
706 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
707 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
708 # Same as --with-shared_mono=no
709 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
710
711 if test "x$enable_static" = "xno"; then
712    with_static_mono=no
713 fi
714
715 if test "x$enable_shared" = "xno"; then
716    with_shared_mono=no
717 fi
718
719 if test "x$enable_libraries" = "xno"; then
720    with_shared_mono=no
721 fi
722
723 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
724
725 case $host in
726 *nacl* ) with_shared_mono=yes;;
727 esac
728
729 if test "x$host_win32" = "xyes"; then
730    # Boehm GC requires the runtime to be in its own dll
731    with_static_mono=no
732 fi
733
734 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
735 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
736 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
737
738 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
739 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
740         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
741         ORIG_CFLAGS=$CFLAGS
742         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
743         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
744         AC_TRY_COMPILE([], [
745                 return 0;
746         ], [
747            AC_MSG_RESULT(yes)
748            # Pass it to libgc as well
749            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
750         ], [
751            AC_MSG_RESULT(no)
752            CFLAGS=$ORIG_CFLAGS
753         ])
754 fi
755
756 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
757
758 if test x$enable_small_config = xyes; then
759         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
760         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
761 fi
762
763 AC_ARG_ENABLE(system-aot, [  --enable-system-aot  Enable the Ahead-Of-Time compilation of system assemblies during the build (on by default on some platforms)], enable_system_aot=$enableval, enable_system_aot=default)
764
765 DISABLED_FEATURES=none
766
767 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
768      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
769      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
770          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying, shared_handles.],
771 [
772         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
773                 eval "mono_feature_disable_$feature='yes'"
774         done
775         DISABLED_FEATURES=$enable_minimal
776         disabled="Disabled:      $enable_minimal"
777 ],[])
778
779 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
780
781 if test "x$mono_feature_disable_aot" = "xyes"; then
782         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
783         AC_MSG_NOTICE([Disabled AOT compiler])
784 fi
785
786 if test "x$mono_feature_disable_profiler" = "xyes"; then
787         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
788         AC_MSG_NOTICE([Disabled support for the profiler])
789 fi
790 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
791
792 if test "x$mono_feature_disable_decimal" = "xyes"; then
793         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
794         AC_MSG_NOTICE([Disabled support for decimal])
795 fi
796
797 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
798         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
799         AC_MSG_NOTICE([Disabled support for P/Invoke])
800 fi
801
802 if test "x$mono_feature_disable_debug" = "xyes"; then
803         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
804         AC_MSG_NOTICE([Disabled support for runtime debugging])
805 fi
806
807 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
808         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
809         mono_feature_disable_reflection_emit_save=yes
810         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
811 fi
812
813 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
814         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
815         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
816 fi
817
818 if test "x$mono_feature_disable_large_code" = "xyes"; then
819         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
820         AC_MSG_NOTICE([Disabled support for large assemblies])
821 fi
822
823 if test "x$mono_feature_disable_logging" = "xyes"; then
824         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
825         AC_MSG_NOTICE([Disabled support for logging])
826 fi
827
828 if test "x$mono_feature_disable_com" = "xyes"; then
829         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
830         AC_MSG_NOTICE([Disabled COM support])
831 fi
832
833 if test "x$mono_feature_disable_ssa" = "xyes"; then
834         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
835         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
836 fi
837
838 if test "x$mono_feature_disable_generics" = "xyes"; then
839         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
840         AC_MSG_NOTICE([Disabled Generics Support])
841 fi
842
843 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
844         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
845         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
846 fi
847
848 if test "x$mono_feature_disable_portability" = "xyes"; then
849         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
850         AC_MSG_NOTICE([Disabled IO Portability layer])
851 fi
852
853 if test "x$mono_feature_disable_attach" = "xyes"; then
854         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
855         AC_MSG_NOTICE([Disabled agent attach])
856 fi
857
858 if test "x$mono_feature_disable_full_messages" = "xyes"; then
859         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
860         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
861 fi
862
863 if test "x$mono_feature_disable_verifier" = "xyes"; then
864         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
865         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
866 fi
867
868 if test "x$mono_feature_disable_jit" = "xyes"; then
869         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
870         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
871 fi
872
873 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
874
875 if test "x$mono_feature_disable_simd" = "xyes"; then
876         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
877         AC_MSG_NOTICE([Disabled SIMD support])
878 fi
879
880 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
881         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
882         AC_MSG_NOTICE([Disabled Soft Debugger.])
883 fi
884
885 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
886         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
887         AC_MSG_NOTICE([Disabled Performance Counters.])
888 fi
889 if test "x$mono_feature_disable_normalization" = "xyes"; then
890         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
891         AC_MSG_NOTICE([Disabled String normalization support.])
892 fi
893
894 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
895         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
896         AC_MSG_NOTICE([Disabled Assembly remapping.])
897 fi
898
899 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
900         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
901         AC_MSG_NOTICE([Disabled Shared perfcounters.])
902 fi
903
904 if test "x$mono_feature_disable_appdomains" = "xyes"; then
905         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
906         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
907 fi
908
909 if test "x$mono_feature_disable_remoting" = "xyes"; then
910         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
911         AC_MSG_NOTICE([Disabled remoting])
912 fi
913
914 if test "x$mono_feature_disable_security" = "xyes"; then
915         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
916         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
917 fi
918
919 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
920         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
921         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
922 fi
923
924 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
925         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
926         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
927 fi
928
929 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
930         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
931         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
932 fi
933
934 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
935         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
936         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
937 fi
938
939 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
940         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
941         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
942 fi
943
944 if test "x$mono_feature_disable_shared_handles" = "xyes"; then
945         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
946         AC_SUBST(DISABLE_SHARED_HANDLES)
947 fi
948
949 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
950 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
951
952 has_extension_module=no
953 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
954 [
955         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
956                 if test x$extension = xdefault ; then
957                         has_extension_module=yes;
958                 fi
959         done
960         if test x$enable_extension_module = xyes; then
961                 has_extension_module=yes;
962         fi
963 ], [])
964
965 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
966
967 if test x$has_extension_module != xno ; then
968         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
969         AC_MSG_NOTICE([Enabling mono extension module.])
970 fi
971
972 AC_ARG_ENABLE(gsharing, [  --enable-gsharing Enable gsharing], enable_gsharing=$enableval, enable_gsharing=no)
973 if test x$enable_gsharing = xyes; then
974         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharing])
975 fi
976
977 AC_ARG_ENABLE(native-types, [  --enable-native-types Enable native types], enable_native_types=$enableval, enable_native_types=no)
978 if test x$enable_native_types = xyes; then
979         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
980 fi
981
982 AC_MSG_CHECKING(for visibility __attribute__)
983 AC_COMPILE_IFELSE([
984         AC_LANG_SOURCE([[
985                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
986                 int main () { doit (); return 0; }
987         ]])
988 ], [
989    have_visibility_hidden=yes
990    AC_MSG_RESULT(yes)
991 ], [
992    have_visibility_hidden=no
993    AC_MSG_RESULT(no)
994 ])
995
996 AC_MSG_CHECKING(for deprecated __attribute__)
997 AC_TRY_COMPILE([
998      int doit (void) __attribute__ ((deprecated));
999      int doit (void) { return 0; }
1000 ], [
1001         return 0;
1002 ], [
1003    have_deprecated=yes
1004    AC_MSG_RESULT(yes)
1005 ], [
1006    have_deprecated=no
1007    AC_MSG_RESULT(no)
1008 ])
1009
1010 dnl
1011 dnl Boehm GC configuration
1012 dnl
1013
1014 AC_ARG_WITH(libgc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=$libgc_default])
1015
1016 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1017 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1018
1019 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1020 if test x$enable_parallel_mark = xyes; then
1021         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1022 fi
1023
1024 gc_headers=no
1025 gc_msg=""
1026 use_included_gc=no
1027 LIBGC_CPPFLAGS=
1028 LIBGC_LIBS=
1029 LIBGC_STATIC_LIBS=
1030 libgc_dir=
1031 case "x$libgc" in
1032         xboehm|xbohem|xyes)
1033                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
1034                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
1035
1036                 if test "x$found_boehm" != "xyes"; then
1037                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
1038                 fi
1039                 if test "x$gc_headers" != "xyes"; then
1040                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
1041                 fi
1042
1043                 LIBGC_LIBS="-lgc $libdl"
1044                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
1045                 libmono_ldflags="$libmono_ldflags -lgc"
1046                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1047
1048                 # AC_CHECK_FUNCS does not work for some reason...
1049                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1050                 if test "x$found_gcj_malloc" = "xyes"; then
1051                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1052                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1053                         gc_msg="System Boehm with typed GC"
1054                 else
1055                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1056                         gc_msg="System Boehm (without typed GC)"
1057                 fi
1058                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1059                 if test "x$found_gc_enable" = "xyes"; then
1060                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1061                 fi
1062
1063                 # check whether we need to explicitly allow
1064                 # thread registering
1065                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1066                 if test "x$found_allow_register_threads" = "xyes"; then
1067                    AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1068                 fi
1069                 ;;
1070
1071         xincluded)
1072                 use_included_gc=yes
1073                 if test "x$support_boehm" = "xyes"; then
1074                         libgc_dir=libgc
1075                 fi
1076
1077                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1078                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1079                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1080
1081                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1082
1083                 if test x$target_win32 = xyes; then
1084                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1085                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1086                 fi
1087
1088                 gc_msg="Included Boehm GC with typed GC"
1089                 if test x$enable_parallel_mark = xyes; then
1090                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1091                         gc_msg="$gc_msg and parallel mark"
1092                 else
1093                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1094                 fi
1095                 ;;
1096
1097         xsgen)
1098                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1099                 ;;
1100
1101         xnone)
1102                 AC_MSG_WARN("Compiling mono without GC.")
1103                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1104                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1105                 gc_msg="none"
1106                 ;;
1107         *)
1108                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1109                 ;;
1110 esac
1111
1112 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1113 if test "x$large_heap" = "xyes"; then
1114    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1115 fi
1116
1117 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1118 AC_SUBST(LIBGC_CPPFLAGS)
1119 AC_SUBST(LIBGC_LIBS)
1120 AC_SUBST(LIBGC_STATIC_LIBS)
1121 AC_SUBST(libgc_dir)
1122 AC_SUBST(BOEHM_DEFINES)
1123
1124 dnl
1125 dnl End of Boehm GC Configuration
1126 dnl
1127
1128 dnl *************************************
1129 dnl *** Checks for zero length arrays ***
1130 dnl *************************************
1131 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1132 AC_TRY_COMPILE([
1133         struct s {
1134                 int  length;
1135                 char data [0];
1136         };
1137 ], [], [
1138         AC_MSG_RESULT(yes)
1139         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1140 ], [
1141         AC_MSG_RESULT(no)
1142         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1143 ])
1144
1145 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1146
1147 if test x$target_win32 = xno; then
1148
1149         dnl hires monotonic clock support
1150         AC_SEARCH_LIBS(clock_gettime, rt)
1151
1152         dnl dynamic loader support
1153         AC_CHECK_FUNC(dlopen, DL_LIB="",
1154                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1155         )
1156         if test x$dl_support = xno; then
1157                 AC_MSG_WARN([No dynamic loading support available])
1158         else
1159                 LIBS="$LIBS $DL_LIB"
1160                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1161                 dnl from glib's configure.ac
1162                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1163                         mono_cv_uscore,[
1164                         AC_TRY_RUN([#include <dlfcn.h>
1165                         int mono_underscore_test (void) { return 42; }
1166                         int main() {
1167                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1168                           handle = dlopen ((void*)0, 0);
1169                           if (handle) {
1170                             f1 = dlsym (handle, "mono_underscore_test");
1171                             f2 = dlsym (handle, "_mono_underscore_test");
1172                           } return (!f2 || f1);
1173                         }],
1174                                 [mono_cv_uscore=yes],
1175                                 [mono_cv_uscore=no],
1176                         [])
1177                 ])
1178                 if test "x$mono_cv_uscore" = "xyes"; then
1179                         MONO_DL_NEED_USCORE=1
1180                 else
1181                         MONO_DL_NEED_USCORE=0
1182                 fi
1183                 AC_SUBST(MONO_DL_NEED_USCORE)
1184                 AC_CHECK_FUNC(dlerror)
1185         fi
1186
1187         dnl ******************************************************************
1188         dnl *** Checks for the IKVM JNI interface library                  ***
1189         dnl ******************************************************************
1190         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])
1191
1192         ikvm_native_dir=
1193         if test x$with_ikvm_native = xyes; then
1194                 ikvm_native_dir=ikvm-native
1195                 jdk_headers_found="IKVM Native"
1196         fi
1197
1198         AC_SUBST(ikvm_native_dir)
1199
1200         AC_CHECK_HEADERS(execinfo.h)
1201
1202         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1203
1204         AC_CHECK_FUNCS(getgrgid_r)
1205         AC_CHECK_FUNCS(getgrnam_r)
1206         AC_CHECK_FUNCS(getpwnam_r)
1207         AC_CHECK_FUNCS(getpwuid_r)
1208         AC_CHECK_FUNCS(getresuid)
1209         AC_CHECK_FUNCS(setresuid)
1210         AC_CHECK_FUNCS(kqueue)
1211         AC_CHECK_FUNCS(backtrace_symbols)
1212         AC_CHECK_FUNCS(mkstemp)
1213         AC_CHECK_FUNCS(mmap)
1214         AC_CHECK_FUNCS(madvise)
1215         AC_CHECK_FUNCS(getrusage)
1216         AC_CHECK_FUNCS(getpriority)
1217         AC_CHECK_FUNCS(setpriority)
1218         AC_CHECK_FUNCS(dl_iterate_phdr)
1219         AC_CHECK_FUNCS(dladdr)
1220         AC_CHECK_FUNCS(sysconf)
1221         AC_CHECK_FUNCS(getrlimit)
1222
1223         AC_CHECK_FUNCS(sched_setaffinity)
1224         AC_CHECK_FUNCS(sched_getcpu)
1225
1226         dnl ****************************************************************
1227         dnl *** Check for sched_setaffinity from glibc versions before   ***
1228         dnl *** 2.3.4. The older versions of the function only take 2    ***
1229         dnl *** parameters, not 3.                                       ***
1230         dnl ***                                                          ***
1231         dnl *** Because the interface change was not made in a minor     ***
1232         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1233         dnl *** won't always indicate the interface sched_affinity has.  ***
1234         dnl ****************************************************************
1235         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1236         AC_TRY_COMPILE([#include <sched.h>], [
1237             int mask = 1; 
1238             sched_setaffinity(0, &mask);
1239                         return 0;
1240         ], [
1241                 # Yes, we have it...
1242                 AC_MSG_RESULT(yes)
1243                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1244         ], [
1245                 # We have the new, three-parameter version
1246                 AC_MSG_RESULT(no)
1247         ])
1248
1249
1250         dnl ******************************************************************
1251         dnl *** Check for large file support                               ***
1252         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1253         dnl ******************************************************************
1254         
1255         # Check that off_t can represent 2**63 - 1 correctly, working around
1256         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1257         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1258         large_offt=no
1259         AC_DEFUN([LARGE_FILES], [
1260                 large_CPPFLAGS=$CPPFLAGS
1261                 CPPFLAGS="$CPPFLAGS $1"
1262                 AC_TRY_COMPILE([
1263                         #include <sys/types.h>
1264                         #include <limits.h>
1265                 ], [
1266                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1267                         #define COMPILE_TIME_ASSERT(pred) \
1268                                 switch(0){case 0:case pred:;}
1269                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1270                 ], [
1271                         AC_MSG_RESULT(ok)
1272                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1273                         large_CPPFLAGS="$large_CPPFLAGS $1"
1274                         large_offt=yes
1275                 ], [
1276                         AC_MSG_RESULT(no)
1277                 ])
1278                 CPPFLAGS=$large_CPPFLAGS
1279         ])
1280
1281         AC_MSG_CHECKING(if off_t is 64 bits wide)
1282         LARGE_FILES("")
1283         if test $large_offt = no; then
1284                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1285                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1286         fi
1287         if test $large_offt = no; then
1288                 AC_MSG_WARN([No 64 bit file size support available])
1289         fi
1290         
1291         dnl *****************************
1292         dnl *** Checks for libsocket  ***
1293         dnl *****************************
1294         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1295
1296         case "$host" in
1297                 *-*-*freebsd*)
1298                         dnl *****************************
1299                         dnl *** Checks for libinotify ***
1300                         dnl *****************************
1301                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1302         esac
1303
1304         dnl *******************************
1305         dnl *** Checks for MSG_NOSIGNAL ***
1306         dnl *******************************
1307         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1308         AC_TRY_COMPILE([#include <sys/socket.h>], [
1309                 int f = MSG_NOSIGNAL;
1310         ], [
1311                 # Yes, we have it...
1312                 AC_MSG_RESULT(yes)
1313                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1314         ], [
1315                 # We'll have to use signals
1316                 AC_MSG_RESULT(no)
1317         ])
1318
1319         dnl *****************************
1320         dnl *** Checks for IPPROTO_IP ***
1321         dnl *****************************
1322         AC_MSG_CHECKING(for IPPROTO_IP)
1323         AC_TRY_COMPILE([#include <netinet/in.h>], [
1324                 int level = IPPROTO_IP;
1325         ], [
1326                 # Yes, we have it...
1327                 AC_MSG_RESULT(yes)
1328                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1329         ], [
1330                 # We'll have to use getprotobyname
1331                 AC_MSG_RESULT(no)
1332         ])
1333
1334         dnl *******************************
1335         dnl *** Checks for IPPROTO_IPV6 ***
1336         dnl *******************************
1337         AC_MSG_CHECKING(for IPPROTO_IPV6)
1338         AC_TRY_COMPILE([#include <netinet/in.h>], [
1339                 int level = IPPROTO_IPV6;
1340         ], [
1341                 # Yes, we have it...
1342                 AC_MSG_RESULT(yes)
1343                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1344         ], [
1345                 # We'll have to use getprotobyname
1346                 AC_MSG_RESULT(no)
1347         ])
1348
1349         dnl ******************************
1350         dnl *** Checks for IPPROTO_TCP ***
1351         dnl ******************************
1352         AC_MSG_CHECKING(for IPPROTO_TCP)
1353         AC_TRY_COMPILE([#include <netinet/in.h>], [
1354                 int level = IPPROTO_TCP;
1355         ], [
1356                 # Yes, we have it...
1357                 AC_MSG_RESULT(yes)
1358                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1359         ], [
1360                 # We'll have to use getprotobyname
1361                 AC_MSG_RESULT(no)
1362         ])
1363
1364         dnl *****************************
1365         dnl *** Checks for SOL_IP     ***
1366         dnl *****************************
1367         AC_MSG_CHECKING(for SOL_IP)
1368         AC_TRY_COMPILE([#include <netdb.h>], [
1369                 int level = SOL_IP;
1370         ], [
1371                 # Yes, we have it...
1372                 AC_MSG_RESULT(yes)
1373                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1374         ], [
1375                 # We'll have to use getprotobyname
1376                 AC_MSG_RESULT(no)
1377         ])
1378
1379         dnl *****************************
1380         dnl *** Checks for SOL_IPV6     ***
1381         dnl *****************************
1382         AC_MSG_CHECKING(for SOL_IPV6)
1383         AC_TRY_COMPILE([#include <netdb.h>], [
1384                 int level = SOL_IPV6;
1385         ], [
1386                 # Yes, we have it...
1387                 AC_MSG_RESULT(yes)
1388                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1389         ], [
1390                 # We'll have to use getprotobyname
1391                 AC_MSG_RESULT(no)
1392         ])
1393
1394         dnl *****************************
1395         dnl *** Checks for SOL_TCP    ***
1396         dnl *****************************
1397         AC_MSG_CHECKING(for SOL_TCP)
1398         AC_TRY_COMPILE([#include <netdb.h>], [
1399                 int level = SOL_TCP;
1400         ], [
1401                 # Yes, we have it...
1402                 AC_MSG_RESULT(yes)
1403                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1404         ], [
1405                 # We'll have to use getprotobyname
1406                 AC_MSG_RESULT(no)
1407         ])
1408
1409         dnl *****************************
1410         dnl *** Checks for IP_PKTINFO ***
1411         dnl *****************************
1412         AC_MSG_CHECKING(for IP_PKTINFO)
1413         AC_TRY_COMPILE([#include <linux/in.h>], [
1414                 int level = IP_PKTINFO;
1415         ], [
1416                 # Yes, we have it...
1417                 AC_MSG_RESULT(yes)
1418                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1419         ], [
1420                 AC_MSG_RESULT(no)
1421         ])
1422
1423         dnl *****************************
1424         dnl *** Checks for IPV6_PKTINFO ***
1425         dnl *****************************
1426         AC_MSG_CHECKING(for IPV6_PKTINFO)
1427         AC_TRY_COMPILE([#include <netdb.h>], [
1428                 int level = IPV6_PKTINFO;
1429         ], [
1430                 # Yes, we have it...
1431                 AC_MSG_RESULT(yes)
1432                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1433         ], [
1434                 AC_MSG_RESULT(no)
1435         ])
1436
1437         dnl **********************************
1438         dnl *** Checks for IP_DONTFRAG     ***
1439         dnl **********************************
1440         AC_MSG_CHECKING(for IP_DONTFRAG)
1441         AC_TRY_COMPILE([#include <netinet/in.h>], [
1442                 int level = IP_DONTFRAG;
1443         ], [
1444                 # Yes, we have it...
1445                 AC_MSG_RESULT(yes)
1446                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1447         ], [
1448                 AC_MSG_RESULT(no)
1449         ])
1450
1451         dnl **********************************
1452         dnl *** Checks for IP_DONTFRAGMENT ***
1453         dnl **********************************
1454         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1455         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1456                 int level = IP_DONTFRAGMENT;
1457         ], [
1458                 # Yes, we have it...
1459                 AC_MSG_RESULT(yes)
1460                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1461         ], [
1462                 AC_MSG_RESULT(no)
1463         ])
1464
1465         dnl **********************************
1466         dnl *** Checks for IP_MTU_DISCOVER ***
1467         dnl **********************************
1468         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1469         AC_TRY_COMPILE([#include <linux/in.h>], [
1470                 int level = IP_MTU_DISCOVER;
1471         ], [
1472                 # Yes, we have it...
1473                 AC_MSG_RESULT(yes)
1474                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1475         ], [
1476                 AC_MSG_RESULT(no)
1477         ])
1478
1479         dnl **********************************
1480         dnl *** Checks for  IP_PMTUDISC_DO ***
1481         dnl **********************************
1482         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1483         AC_TRY_COMPILE([#include <linux/in.h>], [
1484                 int level = IP_PMTUDISC_DO;
1485         ], [
1486                 # Yes, we have it...
1487                 AC_MSG_RESULT(yes)
1488                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1489         ], [
1490                 AC_MSG_RESULT(no)
1491         ])
1492
1493         dnl *********************************
1494         dnl *** Check for struct ip_mreqn ***
1495         dnl *********************************
1496         AC_MSG_CHECKING(for struct ip_mreqn)
1497         AC_TRY_COMPILE([#include <netinet/in.h>], [
1498                 struct ip_mreqn mreq;
1499                 mreq.imr_address.s_addr = 0;
1500         ], [
1501                 # Yes, we have it...
1502                 AC_MSG_RESULT(yes)
1503                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1504         ], [
1505                 # We'll just have to try and use struct ip_mreq
1506                 AC_MSG_RESULT(no)
1507                 AC_MSG_CHECKING(for struct ip_mreq)
1508                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1509                         struct ip_mreq mreq;
1510                         mreq.imr_interface.s_addr = 0;
1511                 ], [
1512                         # Yes, we have it...
1513                         AC_MSG_RESULT(yes)
1514                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1515                 ], [
1516                         # No multicast support
1517                         AC_MSG_RESULT(no)
1518                 ])
1519         ])
1520         
1521         dnl **********************************
1522         dnl *** Check for getaddrinfo ***
1523         dnl **********************************
1524         AC_MSG_CHECKING(for getaddrinfo)
1525                 AC_TRY_LINK([
1526                 #include <stdio.h>
1527                 #include <netdb.h>
1528         ], [
1529                 getaddrinfo(NULL,NULL,NULL,NULL);
1530         ], [
1531                 # Yes, we have it...
1532                 AC_MSG_RESULT(yes)
1533                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1534         ], [
1535                 AC_MSG_RESULT(no)
1536         ])
1537
1538         dnl **********************************
1539         dnl *** Check for gethostbyname2_r ***
1540         dnl **********************************
1541         AC_MSG_CHECKING(for gethostbyname2_r)
1542                 AC_TRY_LINK([
1543                 #include <stdio.h>
1544                 #include <netdb.h>
1545         ], [
1546
1547                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1548         ], [
1549                 # Yes, we have it...
1550                 AC_MSG_RESULT(yes)
1551                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1552         ], [
1553                 AC_MSG_RESULT(no)
1554         ])
1555
1556         dnl **********************************
1557         dnl *** Check for gethostbyname2 ***
1558         dnl **********************************
1559         AC_MSG_CHECKING(for gethostbyname2)
1560                 AC_TRY_LINK([
1561                 #include <stdio.h>
1562                 #include <netdb.h>
1563         ], [
1564                 gethostbyname2(NULL,0);
1565         ], [
1566                 # Yes, we have it...
1567                 AC_MSG_RESULT(yes)
1568                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1569         ], [
1570                 AC_MSG_RESULT(no)
1571         ])
1572
1573         dnl **********************************
1574         dnl *** Check for gethostbyname ***
1575         dnl **********************************
1576         AC_MSG_CHECKING(for gethostbyname)
1577                 AC_TRY_LINK([
1578                 #include <stdio.h>
1579                 #include <netdb.h>
1580         ], [
1581                 gethostbyname(NULL);
1582         ], [
1583                 # Yes, we have it...
1584                 AC_MSG_RESULT(yes)
1585                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1586         ], [
1587                 AC_MSG_RESULT(no)
1588         ])
1589
1590         dnl **********************************
1591         dnl *** Check for getprotobyname ***
1592         dnl **********************************
1593         AC_MSG_CHECKING(for getprotobyname)
1594                 AC_TRY_LINK([
1595                 #include <stdio.h>
1596                 #include <netdb.h>
1597         ], [
1598                 getprotobyname(NULL);
1599         ], [
1600                 # Yes, we have it...
1601                 AC_MSG_RESULT(yes)
1602                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1603         ], [
1604                 AC_MSG_RESULT(no)
1605         ])
1606
1607         dnl **********************************
1608         dnl *** Check for getnameinfo ***
1609         dnl **********************************
1610         AC_MSG_CHECKING(for getnameinfo)
1611                 AC_TRY_LINK([
1612                 #include <stdio.h>
1613                 #include <netdb.h>
1614         ], [
1615                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1616         ], [
1617                 # Yes, we have it...
1618                 AC_MSG_RESULT(yes)
1619                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1620         ], [
1621                 AC_MSG_RESULT(no)
1622         ])
1623
1624
1625         dnl **********************************
1626         dnl *** Check for inet_ntop ***
1627         dnl **********************************
1628         AC_MSG_CHECKING(for inet_ntop)
1629                 AC_TRY_LINK([
1630                 #include <stdio.h>
1631                 #include <arpa/inet.h>
1632         ], [
1633                 inet_ntop (0, NULL, NULL, 0);
1634         ], [
1635                 # Yes, we have it...
1636                 AC_MSG_RESULT(yes)
1637                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1638         ], [
1639                 AC_MSG_RESULT(no)
1640         ])
1641
1642         dnl *****************************
1643         dnl *** Checks for libnsl     ***
1644         dnl *****************************
1645         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1646
1647         AC_CHECK_FUNCS(inet_pton inet_aton)
1648
1649         dnl *****************************
1650         dnl *** Checks for libxnet    ***
1651         dnl *****************************
1652         case "${host}" in
1653                 *solaris* )
1654                         AC_MSG_CHECKING(for Solaris XPG4 support)
1655                         if test -f /usr/lib/libxnet.so; then
1656                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1657                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1658                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1659                                 LIBS="$LIBS -lxnet"
1660                                 AC_MSG_RESULT(yes)
1661                         else
1662                                 AC_MSG_RESULT(no)
1663                         fi
1664
1665                         if test "$GCC" = "yes"; then
1666                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1667                         fi
1668                 ;;
1669         esac
1670
1671         dnl *****************************
1672         dnl *** Checks for libpthread ***
1673         dnl *****************************
1674 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1675 # and libpthread does not exist
1676 #
1677         case "${host}" in
1678                 *-*-*freebsd*)
1679                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1680                 ;;
1681                 *-*-*openbsd*)
1682                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1683                 ;;
1684                 *)
1685                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1686                 ;;
1687         esac
1688         AC_CHECK_HEADERS(pthread.h)
1689         AC_CHECK_HEADERS(pthread_np.h)
1690         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1691         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1692         AC_CHECK_FUNCS(pthread_kill)
1693         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1694         AC_TRY_COMPILE([ #include <pthread.h>], [
1695                 pthread_mutexattr_t attr;
1696                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1697         ], [
1698                 AC_MSG_RESULT(ok)
1699         ], [
1700                 AC_MSG_RESULT(no)
1701                 AC_ERROR(Posix system lacks support for recursive mutexes)
1702         ])
1703         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1704         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1705         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1706
1707         dnl ***********************************
1708         dnl *** Checks for signals
1709         dnl ***********************************
1710         AC_CHECK_HEADERS(signal.h)
1711         AC_CHECK_FUNCS(sigaction)
1712
1713         dnl ***********************************
1714         dnl *** Checks for working __thread ***
1715         dnl ***********************************
1716         AC_MSG_CHECKING(for working __thread)
1717         if test "x$with_tls" != "x__thread"; then
1718                 AC_MSG_RESULT(disabled)
1719         elif test "x$cross_compiling" = "xyes"; then
1720                 AC_MSG_RESULT(cross compiling, assuming yes)
1721         else
1722                 AC_TRY_RUN([
1723                         #if defined(__APPLE__) && defined(__clang__)
1724                         #error "__thread does not currently work with clang on Mac OS X"
1725                         #endif
1726                         
1727                         #include <pthread.h>
1728                         __thread int i;
1729                         static int res1, res2;
1730
1731                         void thread_main (void *arg)
1732                         {
1733                                 i = arg;
1734                                 sleep (1);
1735                                 if (arg == 1)
1736                                         res1 = (i == arg);
1737                                 else
1738                                         res2 = (i == arg);
1739                         }
1740
1741                         int main () {
1742                                 pthread_t t1, t2;
1743
1744                                 i = 5;
1745
1746                                 pthread_create (&t1, NULL, thread_main, 1);
1747                                 pthread_create (&t2, NULL, thread_main, 2);
1748
1749                                 pthread_join (t1, NULL);
1750                                 pthread_join (t2, NULL);
1751
1752                                 return !(res1 + res2 == 2);
1753                         }
1754                 ], [
1755                                 AC_MSG_RESULT(yes)
1756                 ], [
1757                                 AC_MSG_RESULT(no)
1758                                 with_tls=pthread
1759                 ])
1760         fi
1761
1762         dnl **************************************
1763         dnl *** Checks for working sigaltstack ***
1764         dnl **************************************
1765         AC_MSG_CHECKING(for working sigaltstack)
1766         if test "x$with_sigaltstack" != "xyes"; then
1767                 AC_MSG_RESULT(disabled)
1768         elif test "x$cross_compiling" = "xyes"; then
1769                 AC_MSG_RESULT(cross compiling, assuming yes)
1770         else
1771                 AC_TRY_RUN([
1772                         #include <stdio.h>
1773                         #include <stdlib.h>
1774                         #include <unistd.h>
1775                         #include <signal.h>
1776                         #include <pthread.h>
1777                         #include <sys/wait.h>
1778                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1779                         #define SA_STACK SA_ONSTACK
1780                         #endif
1781                         static void
1782                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1783                         {
1784                                 exit (0);
1785                         }
1786
1787                         volatile char*__ptr = NULL;
1788                         static void *
1789                         loop (void *ignored)
1790                         {
1791                                 *__ptr = 0;
1792                                 return NULL;
1793                         }
1794
1795                         static void
1796                         child ()
1797                         {
1798                                 struct sigaction sa;
1799                         #ifdef __APPLE__
1800                                 stack_t sas;
1801                         #else
1802                                 struct sigaltstack sas;
1803                         #endif
1804                                 pthread_t id;
1805                                 pthread_attr_t attr;
1806
1807                                 sa.sa_sigaction = sigsegv_signal_handler;
1808                                 sigemptyset (&sa.sa_mask);
1809                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1810                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1811                                         perror ("sigaction");
1812                                         return;
1813                                 }
1814
1815                                 /* x86 darwin deliver segfaults using SIGBUS */
1816                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1817                                         perror ("sigaction");
1818                                         return;
1819                                 }
1820                                 sas.ss_sp = malloc (SIGSTKSZ);
1821                                 sas.ss_size = SIGSTKSZ;
1822                                 sas.ss_flags = 0;
1823                                 if (sigaltstack (&sas, NULL) == -1) {
1824                                         perror ("sigaltstack");
1825                                         return;
1826                                 }
1827
1828                                 pthread_attr_init (&attr);
1829                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1830                                         printf ("pthread_create\n");
1831                                         return;
1832                                 }
1833
1834                                 sleep (100);
1835                         }
1836
1837                         int
1838                         main ()
1839                         {
1840                                 pid_t son;
1841                                 int status;
1842                                 int i;
1843
1844                                 son = fork ();
1845                                 if (son == -1) {
1846                                         return 1;
1847                                 }
1848
1849                                 if (son == 0) {
1850                                         child ();
1851                                         return 0;
1852                                 }
1853
1854                                 for (i = 0; i < 300; ++i) {
1855                                         waitpid (son, &status, WNOHANG);
1856                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1857                                                 return 0;
1858                                         usleep (10000);
1859                                 }
1860
1861                                 kill (son, SIGKILL);
1862                                 return 1;
1863                         }
1864
1865                 ], [
1866                                 AC_MSG_RESULT(yes)
1867                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1868                 ], [
1869                                 with_sigaltstack=no
1870                                 AC_MSG_RESULT(no)
1871                 ])
1872         fi
1873
1874         dnl ********************************
1875         dnl *** Checks for semaphore lib ***
1876         dnl ********************************
1877         # 'Real Time' functions on Solaris
1878         # posix4 on Solaris 2.6
1879         # pthread (first!) on Linux
1880         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1881
1882         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1883         AC_CHECK_FUNCS(shm_open)
1884
1885         dnl ********************************
1886         dnl *** Checks for timezone stuff **
1887         dnl ********************************
1888         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1889                 AC_TRY_COMPILE([
1890                         #include <time.h>
1891                         ], [
1892                         struct tm tm;
1893                         tm.tm_gmtoff = 1;
1894                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1895         if test $ac_cv_struct_tm_gmtoff = yes; then
1896                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1897         else
1898                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1899                         AC_TRY_COMPILE([
1900                                 #include <time.h>
1901                         ], [
1902                                 timezone = 1;
1903                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1904                 if test $ac_cv_var_timezone = yes; then
1905                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1906                 else
1907                         AC_ERROR(unable to find a way to determine timezone)
1908                 fi
1909         fi
1910
1911         dnl *********************************
1912         dnl *** Checks for math functions ***
1913         dnl *********************************
1914         AC_SEARCH_LIBS(sqrtf, m)
1915         if test "x$has_broken_apple_cpp" != "xyes"; then
1916                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1917                         AC_TRY_LINK([#include <math.h>], 
1918                         [ finite(0.0); ], 
1919                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1920                         AC_MSG_RESULT(no)))
1921         fi
1922         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1923                 AC_TRY_LINK([#include <math.h>], 
1924                 [ isfinite(0.0); ], 
1925                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1926                 AC_MSG_RESULT(no)))
1927
1928         dnl ****************************************************************
1929         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1930         dnl *** have it in the library (duh))                            ***
1931         dnl ****************************************************************
1932         AC_CHECK_FUNCS(poll)
1933
1934         dnl *************************
1935         dnl *** Check for signbit ***
1936         dnl *************************
1937         AC_MSG_CHECKING(for signbit)
1938         AC_TRY_LINK([#include <math.h>], [
1939                 int s = signbit(1.0);
1940         ], [
1941                 AC_MSG_RESULT(yes)
1942                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1943         ], [
1944                 AC_MSG_RESULT(no)
1945         ]) 
1946
1947         dnl **********************************
1948         dnl *** epoll                      ***
1949         dnl **********************************
1950         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1951                 AC_CHECK_HEADERS(sys/epoll.h)
1952                 haveepoll=no
1953                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1954                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1955                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1956                 fi
1957         fi
1958
1959         havekqueue=no
1960
1961         AC_CHECK_HEADERS(sys/event.h)
1962         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1963
1964         dnl **************************************
1965         dnl * Darwin has a race that prevents us from using reliably:
1966         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1967         dnl * Since kqueue is mostly used for scaling large web servers, 
1968         dnl * and very few folks run Mono on large web servers on OSX, falling
1969         dnl * back 
1970         dnl **************************************
1971         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1972                 if test "x$platform_darwin" = "xno"; then
1973                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1974                 fi
1975         fi
1976
1977         dnl ******************************
1978         dnl *** Checks for SIOCGIFCONF ***
1979         dnl ******************************
1980         AC_CHECK_HEADERS(sys/ioctl.h)
1981         AC_CHECK_HEADERS(net/if.h, [], [],
1982            [
1983            #ifdef HAVE_SYS_TYPES_H
1984            # include <sys/types.h>
1985            #endif
1986            #ifdef HAVE_SYS_SOCKET_H
1987            # include <sys/socket.h>
1988            #endif
1989            ])
1990         AC_MSG_CHECKING(for ifreq)
1991         AC_TRY_COMPILE([
1992                 #include <stdio.h>
1993                 #include <sys/ioctl.h>
1994                 #include <net/if.h>
1995                 ], [
1996                 struct ifconf ifc;
1997                 struct ifreq *ifr;
1998                 void *x;
1999                 ifc.ifc_len = 0;
2000                 ifc.ifc_buf = NULL;
2001                 x = (void *) &ifr->ifr_addr;
2002                 ],[
2003                         AC_MSG_RESULT(yes)
2004                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2005                 ], [
2006                         AC_MSG_RESULT(no)
2007                 ])
2008         dnl **********************************
2009         dnl ***     Checks for sin_len     ***
2010         dnl **********************************
2011         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2012         AC_TRY_COMPILE([
2013                 #include <netinet/in.h>
2014                 ], [
2015                 struct sockaddr_in saddr;
2016                 saddr.sin_len = sizeof (saddr);
2017                 ],[
2018                         AC_MSG_RESULT(yes)
2019                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2020                 ], [
2021                         AC_MSG_RESULT(no)
2022                 ])      
2023         dnl **********************************
2024         dnl ***    Checks for sin6_len     ***
2025         dnl **********************************
2026         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2027         AC_TRY_COMPILE([
2028                 #include <netinet/in.h>
2029                 ], [
2030                 struct sockaddr_in6 saddr6;
2031                 saddr6.sin6_len = sizeof (saddr6);
2032                 ],[
2033                         AC_MSG_RESULT(yes)
2034                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2035                 ], [
2036                         AC_MSG_RESULT(no)
2037                 ])
2038         dnl **********************************
2039         dnl *** Check for getifaddrs       ***
2040         dnl **********************************
2041         AC_MSG_CHECKING(for getifaddrs)
2042                 AC_TRY_LINK([
2043                 #include <stdio.h>
2044                 #include <sys/types.h>
2045                 #include <sys/socket.h>
2046                 #include <ifaddrs.h>
2047         ], [
2048                 getifaddrs(NULL);
2049         ], [
2050                 # Yes, we have it...
2051                 AC_MSG_RESULT(yes)
2052                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2053         ], [
2054                 AC_MSG_RESULT(no)
2055         ])
2056         dnl **********************************
2057         dnl *** Check for if_nametoindex   ***
2058         dnl **********************************
2059         AC_MSG_CHECKING(for if_nametoindex)
2060                 AC_TRY_LINK([
2061                 #include <stdio.h>
2062                 #include <sys/types.h>
2063                 #include <sys/socket.h>
2064                 #include <net/if.h>
2065         ], [
2066                 if_nametoindex(NULL);
2067         ], [
2068                 # Yes, we have it...
2069                 AC_MSG_RESULT(yes)
2070                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2071         ], [
2072                 AC_MSG_RESULT(no)
2073         ])
2074                         
2075         dnl **********************************
2076         dnl *** Checks for MonoPosixHelper ***
2077         dnl **********************************
2078         AC_CHECK_HEADERS(checklist.h)
2079         AC_CHECK_HEADERS(pathconf.h)
2080         AC_CHECK_HEADERS(fstab.h)
2081         AC_CHECK_HEADERS(attr/xattr.h)
2082         AC_CHECK_HEADERS(sys/extattr.h)
2083         AC_CHECK_HEADERS(sys/sendfile.h)
2084         AC_CHECK_HEADERS(sys/statvfs.h)
2085         AC_CHECK_HEADERS(sys/statfs.h)
2086         AC_CHECK_HEADERS(sys/vfstab.h)
2087         AC_CHECK_HEADERS(sys/xattr.h)
2088         AC_CHECK_HEADERS(sys/mman.h)
2089         AC_CHECK_HEADERS(sys/param.h)
2090         AC_CHECK_HEADERS(sys/mount.h, [], [],
2091                 [
2092                 #ifdef HAVE_SYS_PARAM_H
2093                 # include <sys/param.h>
2094                 #endif
2095                 ])
2096         AC_CHECK_HEADERS(sys/mount.h)
2097         AC_CHECK_FUNCS(confstr)
2098         AC_CHECK_FUNCS(seekdir telldir)
2099         AC_CHECK_FUNCS(getdomainname)
2100         AC_CHECK_FUNCS(setdomainname)
2101         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2102         AC_CHECK_FUNCS(setgroups)
2103         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2104         AC_CHECK_FUNCS(getfsstat)
2105         AC_CHECK_FUNCS(lutimes futimes)
2106         AC_CHECK_FUNCS(mremap)
2107         AC_CHECK_FUNCS(remap_file_pages)
2108         AC_CHECK_FUNCS(posix_fadvise)
2109         AC_CHECK_FUNCS(posix_fallocate)
2110         AC_CHECK_FUNCS(posix_madvise)
2111         AC_CHECK_FUNCS(vsnprintf)
2112         AC_CHECK_FUNCS(sendfile)
2113         AC_CHECK_FUNCS(gethostid sethostid)
2114         AC_CHECK_FUNCS(sethostname)
2115         AC_CHECK_FUNCS(statfs)
2116         AC_CHECK_FUNCS(fstatfs)
2117         AC_CHECK_FUNCS(statvfs)
2118         AC_CHECK_FUNCS(fstatvfs)
2119         AC_CHECK_FUNCS(stime)
2120         AC_CHECK_FUNCS(strerror_r)
2121         AC_CHECK_FUNCS(ttyname_r)
2122         AC_CHECK_FUNCS(psignal)
2123         AC_CHECK_FUNCS(getlogin_r)
2124         AC_CHECK_FUNCS(lockf)
2125         AC_CHECK_FUNCS(swab)
2126         AC_CHECK_FUNCS(setusershell endusershell)
2127         AC_CHECK_FUNCS(futimens utimensat)
2128         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2129         AC_CHECK_FUNCS(readv writev preadv pwritev)
2130         AC_CHECK_FUNCS(setpgid)
2131         AC_CHECK_SIZEOF(size_t)
2132         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2133                 [#include <sys/types.h>
2134                  #include <sys/stat.h>
2135                  #include <unistd.h>])
2136         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2137                 [#include <sys/types.h>
2138                  #include <sys/stat.h>
2139                  #include <unistd.h>])
2140         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2141                 [#include <sys/time.h>])
2142         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2143                 [#include <unistd.h>
2144                  #include <fcntl.h>])
2145         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2146                 [#include <sys/uio.h>])
2147         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2148                 [#include <sys/poll.h>])
2149         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2150                 [#include <sys/types.h>
2151                  #include <sys/stat.h>
2152                  #include <unistd.h>])
2153         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2154                 [#include <time.h>])
2155         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2156                 [#include <sys/time.h>
2157                  #include <sys/types.h>
2158                  #include <utime.h>])
2159         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2160                 [#include <sys/time.h>])
2161         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2162                 [#include <sys/types.h>
2163                  #include <utime.h>])
2164         AC_CHECK_MEMBERS(
2165                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2166                 [#include <sys/types.h>
2167                  #include <dirent.h>])
2168         AC_CHECK_MEMBERS(
2169                 [struct passwd.pw_gecos],,, 
2170                 [#include <sys/types.h>
2171                  #include <pwd.h>])
2172         AC_CHECK_MEMBERS(
2173                 [struct statfs.f_flags],,, 
2174                 [#include <sys/types.h>
2175                  #include <sys/vfs.h>])
2176         AC_CHECK_MEMBERS(
2177                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2178                 [#include <sys/types.h>
2179                  #include <sys/stat.h>
2180                  #include <unistd.h>])
2181
2182         dnl Favour xattr through glibc, but use libattr if we have to
2183         AC_CHECK_FUNC(lsetxattr, ,
2184                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2185         )
2186         AC_SUBST(XATTR_LIB)
2187
2188         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2189         AC_CHECK_MEMBERS(
2190                 [struct kinfo_proc.kp_proc],,, 
2191                 [#include <sys/types.h>
2192                  #include <sys/param.h>
2193                  #include <sys/sysctl.h>
2194                  #include <sys/proc.h>
2195                  ])
2196
2197         dnl *********************************
2198         dnl *** Checks for Windows compilation ***
2199         dnl *********************************
2200         AC_CHECK_HEADERS(sys/time.h)
2201         AC_CHECK_HEADERS(sys/param.h)
2202         AC_CHECK_HEADERS(dirent.h)
2203
2204         dnl ******************************************
2205         dnl *** Checks for OSX and iOS compilation ***
2206         dnl ******************************************
2207         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2208
2209         dnl *********************************
2210         dnl *** Check for Console 2.0 I/O ***
2211         dnl *********************************
2212         AC_CHECK_HEADERS([curses.h])
2213         AC_CHECK_HEADERS([term.h], [], [],
2214         [#if HAVE_CURSES_H
2215          #include <curses.h>
2216          #endif
2217         ])
2218         AC_CHECK_HEADERS([termios.h])
2219
2220         dnl * This is provided in io-layer, but on windows it's only available
2221         dnl * on xp+
2222         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2223 else
2224         dnl *********************************
2225         dnl *** Checks for Windows compilation ***
2226         dnl *********************************
2227         AC_CHECK_HEADERS(winternl.h)
2228
2229         jdk_headers_found=no
2230         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2231         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2232         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2233         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2234         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2235         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2236         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2237
2238         dnl *********************************
2239         dnl *** Check for struct ip_mreqn ***
2240         dnl *********************************
2241         AC_MSG_CHECKING(for struct ip_mreqn)
2242         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2243                 struct ip_mreqn mreq;
2244                 mreq.imr_address.s_addr = 0;
2245         ], [
2246                 # Yes, we have it...
2247                 AC_MSG_RESULT(yes)
2248                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2249         ], [
2250                 # We'll just have to try and use struct ip_mreq
2251                 AC_MSG_RESULT(no)
2252                 AC_MSG_CHECKING(for struct ip_mreq)
2253                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2254                         struct ip_mreq mreq;
2255                         mreq.imr_interface.s_addr = 0;
2256                 ], [
2257                         # Yes, we have it...
2258                         AC_MSG_RESULT(yes)
2259                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2260                 ], [
2261                         # No multicast support
2262                         AC_MSG_RESULT(no)
2263                 ])
2264         ])
2265
2266         dnl **********************************
2267         dnl *** Check for getaddrinfo ***
2268         dnl **********************************
2269         AC_MSG_CHECKING(for getaddrinfo)
2270                 AC_TRY_LINK([
2271                 #include <stdio.h>
2272                 #include <winsock2.h>
2273                 #include <ws2tcpip.h>
2274         ], [
2275                 getaddrinfo(NULL,NULL,NULL,NULL);
2276         ], [
2277                 # Yes, we have it...
2278                 AC_MSG_RESULT(yes)
2279                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2280         ], [
2281                 AC_MSG_RESULT(no)
2282         ])
2283
2284         dnl **********************************
2285         dnl *** Check for gethostbyname ***
2286         dnl **********************************
2287         AC_MSG_CHECKING(for gethostbyname)
2288                 AC_TRY_LINK([
2289                 #include <stdio.h>
2290                 #include <winsock2.h>
2291                 #include <ws2tcpip.h>
2292         ], [
2293                 gethostbyname(NULL);
2294         ], [
2295                 # Yes, we have it...
2296                 AC_MSG_RESULT(yes)
2297                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2298         ], [
2299                 AC_MSG_RESULT(no)
2300         ])
2301
2302         dnl **********************************
2303         dnl *** Check for getprotobyname ***
2304         dnl **********************************
2305         AC_MSG_CHECKING(for getprotobyname)
2306                 AC_TRY_LINK([
2307                 #include <stdio.h>
2308                 #include <winsock2.h>
2309                 #include <ws2tcpip.h>
2310         ], [
2311                 getprotobyname(NULL);
2312         ], [
2313                 # Yes, we have it...
2314                 AC_MSG_RESULT(yes)
2315                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2316         ], [
2317                 AC_MSG_RESULT(no)
2318         ])
2319
2320         dnl **********************************
2321         dnl *** Check for getnameinfo ***
2322         dnl **********************************
2323         AC_MSG_CHECKING(for getnameinfo)
2324                 AC_TRY_LINK([
2325                 #include <stdio.h>
2326                 #include <winsock2.h>
2327                 #include <ws2tcpip.h>
2328         ], [
2329                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2330         ], [
2331                 # Yes, we have it...
2332                 AC_MSG_RESULT(yes)
2333                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2334         ], [
2335                 AC_MSG_RESULT(no)
2336         ])
2337
2338         dnl **********************************
2339         dnl *** Check for inet_ntop ***
2340         dnl **********************************
2341         AC_MSG_CHECKING(for inet_ntop)
2342                 AC_TRY_LINK([
2343                 #include <stdio.h>
2344                 #include <winsock2.h>
2345                 #include <ws2tcpip.h>
2346         ], [
2347                 inet_ntop (0, NULL, NULL, 0);
2348         ], [
2349                 # Yes, we have it...
2350                 AC_MSG_RESULT(yes)
2351                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2352         ], [
2353                 AC_MSG_RESULT(no)
2354         ])
2355
2356         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2357         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2358         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2359         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2360         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2361         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2362         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2363
2364         AC_MSG_CHECKING(for GetProcessId)
2365         AC_TRY_COMPILE([#include <windows.h>], [
2366                 GetProcessId (0);
2367         ], [
2368            AC_MSG_RESULT(yes)
2369            AC_DEFINE(HAVE_GETPROCESSID)
2370         ], [
2371            AC_MSG_RESULT(no)
2372         ])
2373 fi
2374
2375 dnl socklen_t check
2376 AC_MSG_CHECKING(for socklen_t)
2377 AC_TRY_COMPILE([
2378 #include <sys/types.h>
2379 #include <sys/socket.h>
2380 ],[
2381   socklen_t foo;
2382 ],[
2383 ac_cv_c_socklen_t=yes
2384         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2385         AC_MSG_RESULT(yes)
2386 ],[
2387         AC_MSG_RESULT(no)
2388 ])
2389
2390 AC_MSG_CHECKING(for array element initializer support)
2391 AC_TRY_COMPILE([#include <sys/socket.h>], [
2392         const int array[] = {[1] = 2,};
2393 ], [
2394         # Yes, we have it...
2395         AC_MSG_RESULT(yes)
2396         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2397 ], [
2398         # We'll have to use signals
2399         AC_MSG_RESULT(no)
2400 ])
2401
2402 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2403         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2404         AC_TRY_LINK([#include <math.h>], 
2405         [ static void *p = &trunc; ],
2406         [
2407                 AC_DEFINE(HAVE_TRUNC) 
2408                 AC_MSG_RESULT(yes)
2409                 ac_cv_trunc=yes
2410         ],
2411         AC_MSG_RESULT(no)))
2412
2413 if test "x$ac_cv_truncl" != "xyes"; then
2414    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2415 fi
2416
2417 AC_CHECK_FUNCS(round)
2418 AC_CHECK_FUNCS(rint)
2419 AC_CHECK_FUNCS(execvp)
2420
2421 dnl ****************************
2422 dnl *** Look for /dev/random ***
2423 dnl ****************************
2424
2425 AC_MSG_CHECKING([if usage of random device is requested])
2426 AC_ARG_ENABLE(dev-random,
2427 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2428 try_dev_random=$enableval, try_dev_random=yes)
2429
2430 AC_MSG_RESULT($try_dev_random)
2431
2432 case "{$build}" in
2433     *-openbsd*)
2434     NAME_DEV_RANDOM="/dev/srandom"
2435     ;;
2436
2437 dnl Win32 does not have /dev/random, they have their own method...
2438
2439     *-mingw*|*-*-cygwin*)
2440     ac_cv_have_dev_random=no
2441     ;;
2442
2443 dnl Everywhere else, it's /dev/random
2444
2445     *)
2446     NAME_DEV_RANDOM="/dev/random"
2447     ;;
2448 esac
2449
2450 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2451
2452 dnl Now check if the device actually exists
2453
2454 if test "x$try_dev_random" = "xyes"; then
2455     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2456     [if test -r "$NAME_DEV_RANDOM" ; then
2457         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2458     if test "x$ac_cv_have_dev_random" = "xyes"; then
2459         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2460     fi
2461 else
2462     AC_MSG_CHECKING(for random device)
2463     ac_cv_have_dev_random=no
2464     AC_MSG_RESULT(has been disabled)
2465 fi
2466
2467 if test "x$host_win32" = "xyes"; then
2468     AC_DEFINE(HAVE_CRYPT_RNG)
2469 fi
2470
2471 if test "x$ac_cv_have_dev_random" = "xno" \
2472     && test "x$host_win32" = "xno"; then
2473     AC_MSG_WARN([[
2474 ***
2475 *** A system-provided entropy source was not found on this system.
2476 *** Because of this, the System.Security.Cryptography random number generator
2477 *** will throw a NotImplemented exception.
2478 ***
2479 *** If you are seeing this message, and you know your system DOES have an
2480 *** entropy collection in place, please contact <crichton@gimp.org> and
2481 *** provide information about the system and how to access the random device.
2482 ***
2483 *** Otherwise you can install either egd or prngd and set the environment
2484 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2485 ***]])
2486 fi
2487  
2488 AC_MSG_CHECKING([if inter-process shared handles are requested])
2489 # Same as --enable-minimal=shared_handles
2490 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2491 AC_MSG_RESULT($try_shared_handles)
2492 if test "x$try_shared_handles" != "xyes"; then
2493         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2494         AC_SUBST(DISABLE_SHARED_HANDLES)
2495 fi
2496
2497 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2498
2499 AC_MSG_CHECKING([if big-arrays are to be enabled])
2500 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2501 if test "x$enable_big_arrays" = "xyes" ; then
2502     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2503         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2504     else
2505         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2506     fi
2507 fi
2508 AC_MSG_RESULT($enable_big_arrays)
2509
2510 dnl **************
2511 dnl *** DTRACE ***
2512 dnl **************
2513
2514 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2515
2516 if test "x$enable_dtrace" = "xyes"; then
2517    if test "x$has_dtrace" = "xno"; then
2518           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2519    fi
2520    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2521    if test "x$DTRACE" = "xno"; then
2522           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2523           enable_dtrace=no
2524    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2525           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2526           enable_dtrace=no
2527    fi
2528 fi
2529
2530 dtrace_g=no
2531 if test "x$enable_dtrace" = "xyes"; then
2532         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2533         DTRACEFLAGS=
2534         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2535                 case "$host" in
2536                         powerpc-*-darwin*)
2537                         DTRACEFLAGS="-arch ppc64"
2538                         ;;
2539                         i*86-*-darwin*)
2540                         DTRACEFLAGS="-arch x86_64"
2541                         ;;
2542                         *)
2543                         DTRACEFLAGS=-64
2544                         ;;
2545                 esac
2546         else
2547                 case "$host" in
2548                         powerpc-*-darwin*)
2549                         DTRACEFLAGS="-arch ppc"
2550                         ;;
2551                         i*86-*-darwin*)
2552                         DTRACEFLAGS="-arch i386"
2553                         ;;
2554                         *)
2555                         DTRACEFLAGS=-32
2556                         ;;
2557                 esac
2558         fi
2559         AC_SUBST(DTRACEFLAGS)
2560         case "$host" in
2561                 *-*-solaris*)
2562                 dtrace_g=yes
2563                 ;;
2564         esac
2565         AC_CHECK_HEADERS([sys/sdt.h])
2566 fi
2567 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2568 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2569
2570 dnl **************
2571 dnl ***  NaCl  ***
2572 dnl **************
2573
2574 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2575 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2576
2577 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2578
2579 dnl
2580 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2581 dnl
2582 nacl_self_host=""
2583 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2584    nacl_self_host="nacl_self_host"
2585 fi
2586 AC_SUBST(nacl_self_host)
2587
2588 if test "x$enable_nacl_codegen" = "xyes"; then
2589    MONO_NACL_ALIGN_MASK_OFF=1
2590    AC_DEFINE(TARGET_NACL, 1, [...])
2591    AC_DEFINE(__native_client_codegen__, 1, [...])
2592 else
2593    MONO_NACL_ALIGN_MASK_OFF=0
2594    AC_DEFINE(__default_codegen__, 1, [...])
2595 fi
2596 if test "x$enable_nacl_gc" = "xyes"; then
2597    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2598       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2599    else
2600       # Not yet implemented
2601       INSTRUMENT_CFLAG=""
2602    fi
2603    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2604 fi
2605 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2606
2607 dnl **************
2608 dnl ***  LLVM  ***
2609 dnl **************
2610
2611 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2612 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2613 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2614
2615 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2616
2617 if test "x$enable_llvm" = "xyes"; then
2618    if test "x$with_llvm" != "x"; then
2619           LLVM_CONFIG=$with_llvm/bin/llvm-config
2620           if test x$target_win32 = xyes; then
2621                 LLVM_CONFIG=$LLVM_CONFIG.exe
2622           fi
2623           if test ! -x $LLVM_CONFIG; then
2624                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2625       fi
2626    else
2627       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2628       if test "x$LLVM_CONFIG" = "xno"; then
2629              AC_MSG_ERROR([llvm-config not found.])
2630       fi
2631    fi
2632
2633    llvm_codegen="x86codegen"
2634    case "$target" in
2635    arm*)
2636                 llvm_codegen="armcodegen"
2637                 ;;
2638    esac
2639
2640    if test "x$target_win32" = "xno"; then
2641
2642    # The output of --cflags seems to include optimizations flags too
2643    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2644    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2645    # from LLVM classes.
2646    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2647    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2648    # This might include empty lines
2649    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2650    if test "x$host" != "x$target"; then
2651       # No need for jit libs
2652       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2653    else
2654       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2655    fi
2656    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS -lstdc++"
2657
2658    expected_llvm_version="3.4svn-mono-mono/e656cac"
2659
2660    # Should be something like '2.6' or '2.7svn'
2661    llvm_version=`$LLVM_CONFIG --version`
2662    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2663    AC_MSG_CHECKING(LLVM version)
2664    AC_MSG_RESULT($llvm_version)
2665    if echo $llvm_version | grep -q 'mono'; then
2666           if test "x$enable_llvm_version_check" == "xyes"; then
2667                  if test "$llvm_version" != "$expected_llvm_version"; then
2668                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2669                  fi
2670           fi
2671    else
2672           AC_MSG_ERROR([Compiling with stock LLVM is not supported, please use the Mono LLVM repo at https://github.com/mono/llvm, with the GIT branch which matches this version of mono, i.e. 'mono-2-10' for Mono 2.10.])
2673    fi
2674
2675    else
2676        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2677        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-exceptions -fno-rtti -Woverloaded-virtual -Wcast-qual"
2678        LLVM_LDFLAGS="-L$with_llvm/lib"
2679        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2680        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2681          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2682          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2683          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2684          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2685          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2686          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2687          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2688          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2689          -lLLVMSupport -lstdc++"
2690        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2691        llvm_api_version=1
2692    fi  
2693
2694    if test "x$llvm_api_version" = "x"; then
2695           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2696           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2697    else
2698           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2699           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2700    fi   
2701
2702    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2703
2704    AC_SUBST(LLVM_CFLAGS)
2705    AC_SUBST(LLVM_CXXFLAGS)
2706    AC_SUBST(LLVM_LIBS)
2707    AC_SUBST(LLVM_LDFLAGS)
2708    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2709 fi
2710
2711 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2712 if test "x$enable_loadedllvm" = "xyes"; then
2713    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2714 fi
2715 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2716
2717 TARGET="unknown"
2718 ACCESS_UNALIGNED="yes"
2719
2720 LIBC="libc.so.6"
2721 INTL="libc.so.6"
2722 SQLITE="libsqlite.so.0"
2723 SQLITE3="libsqlite3.so.0"
2724 X11="libX11.so"
2725 GDKX11="libgdk-x11-2.0.so.0"
2726 GTKX11="libgtk-x11-2.0.so.0"
2727 XINERAMA="libXinerama.so.1"
2728
2729 sizeof_register="SIZEOF_VOID_P"
2730
2731 jit_wanted=true
2732 sgen_supported=false
2733 boehm_supported=true
2734 case "$host" in
2735         mips*)
2736                 TARGET=MIPS;
2737                 arch_target=mips;
2738                 sgen_supported=true
2739                 ACCESS_UNALIGNED="no"
2740
2741                 AC_MSG_CHECKING(for mips n32)
2742                 AC_TRY_COMPILE([],[
2743                 #if _MIPS_SIM != _ABIN32
2744                 #error Not mips n32
2745                 #endif
2746                 return 0;
2747                 ],[
2748                 AC_MSG_RESULT(yes)
2749                 sizeof_register=8
2750                 ],[
2751                 AC_MSG_RESULT(no)
2752                 ])
2753                 ;;
2754         i*86-*-*)
2755                 TARGET=X86;
2756                 arch_target=x86;
2757                 case $host_os in
2758                   solaris*)
2759                         LIBC="libc.so"
2760                         INTL="libintl.so"
2761                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2762                                 TARGET=AMD64
2763                                 arch_target=amd64
2764                         fi
2765
2766                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2767                         # int astruct __attribute__ ((visibility ("hidden")));
2768                         # void foo ()
2769                         # {
2770                         #       void *p = &astruct;
2771                         # }
2772                         # gcc -fPIC --shared -o libfoo.so foo.c
2773                         # yields:
2774                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2775                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2776                         have_visibility_hidden=no
2777                         sgen_supported=true
2778                         ;;
2779                   mingw*|cygwin*)
2780                         sgen_supported=true
2781                         have_visibility_hidden=no                 
2782                         ;;
2783                   haiku*)
2784                         LIBC=libroot.so
2785                         ;;
2786                   linux*)
2787                         sgen_supported=true
2788                         AOT_SUPPORTED="yes"
2789                         ;;
2790                   darwin*)
2791                         sgen_supported=true
2792                         AOT_SUPPORTED="yes"
2793                         ;;
2794                   openbsd*|freebsd*|kfreebsd-gnu*)
2795                         sgen_supported=true
2796                         ;;
2797                 esac
2798                 ;;
2799         x86_64-*-* | amd64-*-*)
2800                 TARGET=AMD64;
2801                 arch_target=amd64;
2802                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2803                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2804                         sizeof_register=8
2805                 fi
2806                 case $host_os in
2807                   linux*)
2808                         sgen_supported=true
2809                         AOT_SUPPORTED="yes"
2810                         ;;
2811                   darwin*)
2812                         sgen_supported=true
2813                         AOT_SUPPORTED="yes"
2814                         ;;
2815                   openbsd*|freebsd*|kfreebsd-gnu*)
2816                         sgen_supported=true
2817                         ;;
2818                   mingw*)
2819                         sgen_supported=true
2820                         ;;
2821                 esac
2822                 case "$host" in
2823                         x86_64-*-nacl*)
2824                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2825                                 sizeof_register=8
2826                                 ;;
2827                 esac
2828                 ;;
2829         ia64-*-*)
2830                 TARGET=IA64
2831                 arch_target=ia64
2832                 ACCESS_UNALIGNED="no"
2833                 LIBC="libc.so.6.1"
2834                 INTL="libc.so.6.1"
2835                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2836                 libmono_ldflags="-lunwind"
2837                 ;;
2838         sparc*-*-*)
2839                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2840                    TARGET=SPARC64
2841                 else
2842                         TARGET=SPARC
2843                 fi
2844                 arch_target=sparc;
2845                 ACCESS_UNALIGNED="no"
2846                 case $host_os in
2847                   linux*) ;;
2848                   *)
2849                         LIBC="libc.so"
2850                         INTL="libintl.so"
2851                 esac
2852                 if test x"$GCC" = xyes; then
2853                         # We don't support v8 cpus
2854                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2855                 fi
2856                 if test x"$AR" = xfalse; then
2857                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2858                 fi
2859                 sgen_supported=true
2860                 ;;
2861         *-mingw*|*-*-cygwin*)
2862                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2863                 have_visibility_hidden=no
2864                 INTL="intl"
2865                 ;;
2866         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2867         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2868                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2869                         TARGET=POWERPC64;
2870                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2871                         CFLAGS="$CFLAGS -mminimal-toc"
2872                 else
2873                         TARGET=POWERPC;
2874                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2875                 fi
2876                 arch_target=ppc;
2877                 case $host_os in
2878                   linux*|darwin*)
2879                         sgen_supported=true
2880                         ;;
2881                 esac
2882                 ;;
2883         arm*-darwin*)
2884                 TARGET=ARM;
2885                 arch_target=arm;
2886                 ACCESS_UNALIGNED="no"
2887                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2888                 sgen_supported=true
2889                 ;;
2890         arm*-linux*)
2891                 TARGET=ARM;
2892                 arch_target=arm;
2893                 ACCESS_UNALIGNED="no"
2894                 sgen_supported=true
2895                 AOT_SUPPORTED="yes"
2896                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2897                 ;;
2898 # TODO: make proper support for NaCl host.
2899 #        arm*-*nacl)
2900 #               TARGET=ARM;
2901 #               arch_target=arm;
2902 #               ACCESS_UNALIGNED="no"
2903 #               sgen_supported=true
2904 #               AOT_SUPPORTED="no"
2905 #               ;;
2906         aarch64-*)
2907                 # https://lkml.org/lkml/2012/7/15/133
2908                 TARGET=ARM64
2909                 arch_target=arm64
2910                 sgen_supported=true
2911                 boehm_supported=false
2912                 ;;
2913         s390x-*-linux*)
2914                 TARGET=S390X;
2915                 arch_target=s390x;
2916                 ACCESS_UNALIGNED="yes"
2917                 sgen_supported=true
2918                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2919                 ;;
2920 esac
2921
2922 HOST=$TARGET
2923
2924 if test "x$host" != "x$target"; then
2925    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2926    enable_mcs_build=no
2927    case "$target" in
2928    arm*-darwin*)
2929                 TARGET=ARM;
2930                 arch_target=arm;
2931                 ACCESS_UNALIGNED="no"
2932                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2933                 # Can't use tls, since it depends on the runtime detection of tls offsets
2934                 # in mono-compiler.h
2935                 with_tls=pthread
2936                 ;;
2937    powerpc64-ps3-linux-gnu)
2938                 TARGET=POWERPC64
2939                 arch_target=powerpc64
2940                 AC_DEFINE(TARGET_PS3, 1, [...])
2941                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2942                 # uses this define
2943                 AC_DEFINE(__mono_ppc64__, 1, [...])
2944                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2945                 sizeof_register=8
2946                 target_byte_order=G_BIG_ENDIAN
2947                 ;;
2948    powerpc64-xbox360-linux-gnu)
2949                 TARGET=POWERPC64
2950                 arch_target=powerpc64
2951                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2952                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2953                 # uses this define
2954                 sizeof_register=8
2955                 target_byte_order=G_BIG_ENDIAN
2956                 ;;
2957    x86_64-*-nacl)
2958                 TARGET=AMD64
2959                 arch_target=amd64
2960                 AC_DEFINE(TARGET_AMD64, 1, [...])
2961                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2962                 sizeof_register=8
2963                 ;;
2964 # TODO: make proper support for NaCl target.
2965 #   arm*-*nacl)
2966 #               TARGET=ARM
2967 #               arch_target=arm
2968 #               AC_DEFINE(TARGET_ARM, 1, [...])
2969 #               ACCESS_UNALIGNED="no"
2970 #               sizeof_register=4
2971 #               CPPFLAGS="$CPPFLAGS \
2972 #                    -D__ARM_EABI__ \
2973 #                    -D__arm__ \
2974 #                    -D__portable_native_client__ \
2975 #                    -Dtimezone=_timezone \
2976 #                    -DDISABLE_SOCKETS \
2977 #                    -DDISABLE_ATTACH \
2978 #                    -DUSE_NEWLIB"
2979                 # Can't use tls, since it depends on the runtime detection of tls offsets
2980                 # in mono-compiler.h
2981 #               with_tls=pthread
2982 #               ;;
2983    i686-*-nacl)
2984                 TARGET=X86
2985                 arch_target=x86
2986                 AC_DEFINE(TARGET_X86, 1, [...])
2987                 sizeof_register=4
2988                 ;;
2989    arm*-linux-*)
2990                 TARGET=ARM;
2991                 arch_target=arm;
2992                 AC_DEFINE(TARGET_ARM, 1, [...])
2993                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2994                 ACCESS_UNALIGNED="no"
2995                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2996                 # Can't use tls, since it depends on the runtime detection of tls offsets
2997                 # in mono-compiler.h
2998                 with_tls=pthread
2999                 target_mach=no
3000                 case "$target" in
3001                 armv7l-unknown-linux-gnueabi*)
3002                         # TEGRA
3003                         CPPFLAGS="$CPPFLAGS"
3004                         ;;
3005                 armv5-*-linux-androideabi*)
3006                         CPPFLAGS="$CPPFLAGS"
3007                         ;;
3008                 esac
3009                 ;;
3010    i686*-linux-*)
3011                 TARGET=X86;
3012                 arch_target=x86;
3013                 AC_DEFINE(TARGET_X86, 1, [...])
3014                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3015                 CPPFLAGS="$CPPFLAGS"
3016                 sgen_supported=true
3017                 # Can't use tls, since it depends on the runtime detection of tls offsets
3018                 # in mono-compiler.h            
3019                 with_tls=pthread
3020                 target_mach=no
3021                 ;;
3022    aarch64*-linux-*)
3023                 TARGET=ARM64;
3024                 arch_target=arm64;
3025                 AC_DEFINE(TARGET_ARM64, 1, [...])
3026                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3027                 CPPFLAGS="$CPPFLAGS"
3028                 # Can't use tls, since it depends on the runtime detection of tls offsets
3029                 # in mono-compiler.h
3030                 with_tls=pthread
3031                 target_mach=no
3032                 ;;
3033         aarch64-*)
3034                 TARGET=ARM64
3035                 ;;
3036         *)
3037                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3038         esac
3039 fi
3040
3041 case "$TARGET" in
3042 X86)
3043         AC_DEFINE(TARGET_X86, 1, [...])
3044         ;;
3045 AMD64)
3046         AC_DEFINE(TARGET_AMD64, 1, [...])
3047         ;;
3048 ARM)
3049         AC_DEFINE(TARGET_ARM, 1, [...])
3050         ;;
3051 ARM64)
3052         AC_DEFINE(TARGET_ARM64, 1, [...])
3053         ;;
3054 POWERPC)
3055         AC_DEFINE(TARGET_POWERPC, 1, [...])
3056         ;;
3057 POWERPC64)
3058         AC_DEFINE(TARGET_POWERPC, 1, [...])
3059         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3060         ;;
3061 S390X)
3062         AC_DEFINE(TARGET_S390X, 1, [...])
3063         ;;
3064 MIPS)
3065         AC_DEFINE(TARGET_MIPS, 1, [...])
3066         ;;
3067 IA64)
3068         AC_DEFINE(TARGET_IA64, 1, [...])
3069         ;;
3070 SPARC)
3071         AC_DEFINE(TARGET_SPARC, 1, [...])
3072         ;;
3073 SPARC64)
3074         AC_DEFINE(TARGET_SPARC64, 1, [...])
3075         ;;
3076 esac
3077
3078 dnl *************
3079 dnl *** VTUNE ***
3080 dnl *************
3081
3082 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3083 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3084
3085 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3086
3087 if test "x$enable_vtune" = "xyes"; then
3088         if test "x$with_vtune" = "x"; then
3089                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3090         else
3091                 VTUNE_PATH=$with_vtune
3092         fi
3093         VTUNE_INCLUDE=$VTUNE_PATH/include
3094         case "$TARGET" in
3095         X86)
3096                 VTUNE_LIB=$VTUNE_PATH/lib32
3097                 ;;
3098         AMD64)
3099                 VTUNE_LIB=$VTUNE_PATH/lib64
3100                 ;;
3101         *)
3102                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3103                 ;;
3104         esac
3105         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3106                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3107         fi
3108         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3109                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3110         fi
3111
3112         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3113         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3114
3115         AC_SUBST(VTUNE_LIBS)
3116         AC_SUBST(VTUNE_CFLAGS)
3117 fi
3118 dnl Use GCC atomic ops if they work on the target.
3119 if test x$GCC = "xyes"; then
3120         case $TARGET in
3121         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3122                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3123                 ;;
3124         esac
3125 fi
3126
3127 if test "x$target_mach" = "xyes"; then
3128    if test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3129           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3130           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3131           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3132    else
3133        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3134        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3135        #error fail this for ios
3136        #endif
3137        return 0;
3138        ], [
3139                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3140           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3141           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3142        ], [
3143           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3144           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3145           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3146        ])
3147         fi
3148    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3149 fi
3150
3151 if test "x$sizeof_register" = "x4"; then
3152    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3153 elif test "x$sizeof_register" = "x8"; then
3154    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3155 else
3156    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3157 fi
3158
3159 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3160    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3161 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3162    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3163 else
3164    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3165 fi
3166
3167 if test "x$have_visibility_hidden" = "xyes"; then
3168    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3169 fi
3170
3171 if test "x$have_deprecated" = "xyes"; then
3172    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3173 fi
3174
3175 dnl 
3176 dnl Simple Generational checks (sgen)
3177 dnl
3178 if $sgen_supported; then
3179    build_sgen_default=yes
3180 else
3181    build_sgen_default=no
3182 fi
3183 SGEN_DEFINES=
3184 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
3185 if test x$buildsgen = xyes; then
3186    if $sgen_supported; then
3187        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
3188        gc_msg="sgen and $gc_msg"
3189    else
3190        buildsgen=no
3191        AC_MSG_WARN("Sgen is not supported on this platform")
3192    fi
3193 fi
3194 AC_SUBST(SGEN_DEFINES)
3195 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3196
3197 jit_status="Building and using the JIT"
3198
3199 libsuffix=".so"
3200
3201 case "$host" in
3202      *-*-darwin*)
3203         libsuffix=".dylib"
3204         LIBC="libc.dylib"
3205         INTL="libintl.dylib"
3206         SQLITE="libsqlite.0.dylib"
3207         SQLITE3="libsqlite3.0.dylib"
3208         X11="libX11.dylib"
3209         GDKX11="libgdk-x11-2.0.dylib"
3210         GTKX11="libgtk-x11-2.0.dylib"
3211         ;;
3212      *-*-*netbsd*)
3213         LIBC="libc.so.12"
3214         INTL="libintl.so.0"
3215         ;;
3216      *-*-kfreebsd*-gnu)
3217         LIBC="libc.so.0.1"
3218         INTL="libc.so.0.1"
3219         X11="libX11.so.6"
3220         ;;
3221     *-*-*freebsd*)
3222         LIBC="libc.so"
3223         INTL="libintl.so"
3224         SQLITE="libsqlite.so"
3225         SQLITE3="libsqlite3.so"
3226         ;;
3227     *-*-*openbsd*)
3228         LIBC="libc.so"
3229         INTL="libintl.so"
3230         SQLITE="libsqlite.so"
3231         SQLITE3="libsqlite3.so"
3232         ;;
3233     *-*-*linux*)
3234         AC_PATH_X
3235         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3236         AC_MSG_CHECKING(for the soname of libX11.so)
3237         for i in $x_libraries $dlsearch_path; do
3238                 for r in 4 5 6; do
3239                         if test -f $i/libX11.so.$r; then
3240                                 X11=libX11.so.$r
3241                                 AC_MSG_RESULT($X11)
3242                         fi
3243                 done
3244         done
3245         
3246         if test "x$X11" = "xlibX11.so"; then
3247                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3248                 X11=libX11.so.6
3249         fi
3250         ;;
3251 esac
3252
3253
3254 AC_SUBST(libsuffix)
3255
3256 AC_ARG_WITH([libgdiplus],
3257         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3258         [], [with_libgdiplus=installed])
3259
3260 # default install location
3261 libgdiplus_install_loc=libgdiplus${libsuffix}
3262 case $with_libgdiplus in
3263     no|installed)
3264     libgdiplus_loc=
3265     ;;
3266
3267     yes|sibling)
3268     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3269     ;;
3270
3271     /*) # absolute path, assume it is an install location
3272     libgdiplus_loc=$with_libgdiplus
3273     libgdiplus_install_loc=$with_libgdiplus
3274     ;;
3275
3276     *)
3277     libgdiplus_loc=`pwd`/$with_libgdiplus
3278     ;;
3279 esac
3280 AC_SUBST([libgdiplus_loc])
3281 AC_SUBST([libgdiplus_install_loc])
3282
3283 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3284 if test "x$icall_symbol_map" = "xyes"; then
3285    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3286 fi
3287
3288 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3289 if test "x$icall_export" = "xyes"; then
3290    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3291 fi
3292
3293 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3294 if test "x$icall_tables" = "xno"; then
3295    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3296 fi
3297
3298 if test "x$with_tls" = "x__thread"; then
3299         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3300         # Pass the information to libgc
3301         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3302         AC_MSG_CHECKING(if the tls_model attribute is supported)
3303         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3304                 ], [
3305                         AC_MSG_RESULT(yes)
3306                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3307                 ], [
3308                         AC_MSG_RESULT(no)
3309         ])
3310 fi
3311
3312 if test ${TARGET} = ARM; then
3313         dnl ******************************************
3314         dnl *** Check to see what FPU is available ***
3315         dnl ******************************************
3316         AC_MSG_CHECKING(which FPU to use)
3317
3318         #
3319         # This is a bit tricky:
3320         #
3321         # if (__ARM_PCS_VFP) {
3322         #       /* mfloat-abi=hard == VFP with hard ABI */
3323         # } elif (!__SOFTFP__) {
3324         #       /* mfloat-abi=softfp == VFP with soft ABI */
3325         # } else {
3326         #       /* mfloat-abi=soft == no VFP */
3327         # }
3328         #
3329         # The exception is iOS (w/ GCC) where none of the above
3330         # are defined (but iOS always uses the 'softfp' ABI).
3331         #
3332         # No support for FPA.
3333         #
3334
3335         fpu=NONE
3336
3337         # iOS GCC always uses the 'softfp' ABI.
3338         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3339                 fpu=VFP
3340         fi
3341
3342         # Are we using the 'hard' ABI?
3343         if test x$fpu = xNONE; then
3344                 AC_TRY_COMPILE([], [
3345                         #ifndef __ARM_PCS_VFP
3346                         #error "Float ABI is not 'hard'"
3347                         #endif
3348                         return 0;
3349                 ], [
3350                         fpu=VFP_HARD
3351                 ], [
3352                         fpu=NONE
3353                 ])
3354         fi
3355
3356         # No 'hard' ABI. 'soft' or 'softfp'?
3357         if test x$fpu = xNONE; then
3358                 AC_TRY_COMPILE([], [
3359                         #ifdef __SOFTFP__
3360                         #error "Float ABI is not 'softfp'"
3361                         #endif
3362                         return 0;
3363                 ], [
3364                         fpu=VFP
3365                 ], [
3366                         fpu=NONE
3367                 ])
3368         fi
3369
3370         AC_MSG_RESULT($fpu)
3371         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3372         unset fpu
3373
3374         dnl *********************************************
3375         dnl *** Check which ARM version(s) we can use ***
3376         dnl *********************************************
3377         AC_MSG_CHECKING(which ARM version to use)
3378
3379         AC_TRY_COMPILE([], [
3380                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3381                 #error Not on ARM v5.
3382                 #endif
3383                 return 0;
3384         ], [
3385                 arm_v5=yes
3386
3387                 arm_ver=ARMv5
3388         ], [])
3389
3390         AC_TRY_COMPILE([], [
3391                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3392                 #error Not on ARM v6.
3393                 #endif
3394                 return 0;
3395         ], [
3396                 arm_v5=yes
3397                 arm_v6=yes
3398
3399                 arm_ver=ARMv6
3400         ], [])
3401
3402         AC_TRY_COMPILE([], [
3403                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3404                 #error Not on ARM v7.
3405                 #endif
3406                 return 0;
3407         ], [
3408                 arm_v5=yes
3409                 arm_v6=yes
3410                 arm_v7=yes
3411
3412                 arm_ver=ARMv7
3413         ], [])
3414
3415         AC_MSG_RESULT($arm_ver)
3416
3417         if test x$arm_v5 = xyes; then
3418                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3419                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3420         fi
3421
3422         if test x$arm_v6 = xyes; then
3423                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3424                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3425         fi
3426
3427         if test x$arm_v7 = xyes; then
3428                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3429                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3430         fi
3431 fi
3432
3433 if test ${TARGET} = ARM; then
3434         if test "x${with_jumptables}" = "xyes"; then
3435                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3436         fi
3437 fi
3438
3439 if test ${TARGET} = unknown; then
3440         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3441         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3442 fi
3443
3444 if test ${ACCESS_UNALIGNED} = no; then
3445         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3446 fi
3447
3448 case "x$libgc" in
3449         xincluded)
3450                 # Pass CPPFLAGS to libgc configure
3451                 # We should use a separate variable for this to avoid passing useless and
3452                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3453                 # This should be executed late so we pick up the final version of CPPFLAGS
3454                 # The problem with this approach, is that during a reconfigure, the main
3455                 # configure scripts gets invoked with these arguments, so we use separate
3456                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3457                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3458                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3459                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3460                 fi
3461                 # Don't pass -finstrument-for-thread-suspension in, 
3462                 # if these are instrumented it will be very bad news 
3463                 # (infinite recursion, undefined parking behavior, etc)
3464                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3465                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3466                 if test "x$support_boehm" = "xyes"; then
3467                         AC_CONFIG_SUBDIRS(libgc)
3468                 fi
3469                 ;;
3470 esac
3471
3472 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])
3473 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3474 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3475 AC_ARG_WITH(xammac,    [  --with-xammac=yes,no,only       If you want to build the Xamarin.Mac assemblies (defaults to no)],   [], [with_xammac=no])
3476
3477 OPROFILE=no
3478 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3479         if test x$with_oprofile != xno; then
3480             oprofile_include=$with_oprofile/include
3481             if test ! -f $oprofile_include/opagent.h; then
3482                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3483                 fi
3484             OPROFILE=yes
3485                 OPROFILE_CFLAGS="-I$oprofile_include"
3486             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3487             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3488         fi
3489 ])
3490
3491 MALLOC_MEMPOOLS=no
3492 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3493         if test x$with_malloc_mempools = xyes; then
3494                 MALLOC_MEMPOOLS=yes
3495                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3496         fi
3497 ])
3498
3499
3500 DISABLE_MCS_DOCS=no
3501 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3502         if test x$with_mcs_docs != xyes; then
3503                 DISABLE_MCS_DOCS=yes
3504         fi
3505 ])
3506 if test x$with_profile4_5 != xyes; then
3507         DISABLE_MCS_DOCS=yes
3508 fi
3509
3510 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)],[
3511         if test x$with_lazy_gc_thread_creation != xno ; then
3512                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3513         fi
3514 ], [with_lazy_gc_thread_creation=no])
3515
3516 AC_CHECK_HEADER([malloc.h], 
3517                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3518                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3519
3520 if test x"$GCC" = xyes; then
3521         # Implicit function declarations are not 64 bit safe
3522         # Do this late, since this causes lots of configure tests to fail
3523         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3524         # jay has a lot of implicit declarations
3525         JAY_CFLAGS="-Wno-implicit-function-declaration"
3526 fi
3527
3528 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3529 # instead of libmono-static.a
3530 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3531    LIBMONO_LA=libmini-static.la
3532 else
3533    if test x$buildsgen = xyes; then
3534       LIBMONO_LA=libmonosgen-$API_VER.la
3535    else
3536       LIBMONO_LA=libmonoboehm-$API_VER.la
3537    fi
3538 fi
3539 AC_SUBST(LIBMONO_LA)
3540
3541 dnl
3542 dnl Consistency settings
3543 dnl
3544 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3545    DISABLE_MCS_DOCS=yes
3546    with_profile4_5=no
3547    with_monodroid=no
3548    with_monotouch=no
3549    with_xammac=no
3550 fi
3551
3552 if test x$DISABLE_MCS_DOCS = xyes; then
3553    docs_dir=""
3554 else
3555    docs_dir=docs
3556 fi
3557 AC_SUBST(docs_dir)
3558
3559 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3560 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3561
3562 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3563 AC_SUBST(OPROFILE_CFLAGS)
3564 AC_SUBST(OPROFILE_LIBS)
3565
3566 libmono_ldflags="$libmono_ldflags $LIBS"
3567
3568 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3569 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3570 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3571 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3572 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3573 AM_CONDITIONAL(ONLY_XAMMAC, [test "x$with_xammac" = "xonly"])
3574
3575 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3576 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3577 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3578 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3579 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3580 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3581 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3582 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3583 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3584 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3585 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3586 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3587 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3588 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3589 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3590 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3591 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3592 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3593
3594 AM_CONDITIONAL(INCLUDED_LIBGC, test x$libgc = xincluded)
3595
3596 AC_SUBST(LIBC)
3597 AC_SUBST(INTL)
3598 AC_SUBST(SQLITE)
3599 AC_SUBST(SQLITE3)
3600 AC_SUBST(X11)
3601 AC_SUBST(GDKX11)
3602 AC_SUBST(GTKX11)
3603 AC_SUBST(XINERAMA)
3604 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3605 AC_SUBST(arch_target)
3606 AC_SUBST(CFLAGS)
3607 AC_SUBST(CPPFLAGS)
3608 AC_SUBST(LDFLAGS)
3609
3610 mono_build_root=`pwd`
3611 AC_SUBST(mono_build_root)
3612
3613 mono_runtime=mono/mini/mono
3614 AC_SUBST(mono_runtime)
3615
3616 mono_cfg_root=$mono_build_root/runtime
3617 if test x$host_win32 = xyes; then
3618   if test "x$cross_compiling" = "xno"; then
3619     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3620   else
3621     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3622   fi
3623 else
3624   mono_cfg_dir=$mono_cfg_root/etc
3625 fi
3626 AC_SUBST(mono_cfg_dir)
3627
3628 AC_CONFIG_FILES([po/mcs/Makefile.in])
3629
3630 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3631 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3632
3633 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3634 [   depth=../../../..
3635     case $srcdir in
3636     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3637     .) reldir=$depth ;;
3638     *) reldir=$depth/$srcdir ;;
3639     esac
3640     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3641     cd runtime/etc/mono/1.0
3642     rm -f machine.config
3643     $LN_S $reldir/data/net_1_1/machine.config machine.config
3644     cd $depth
3645 ],[LN_S='$LN_S'])
3646
3647 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3648 [   depth=../../../..
3649     case $srcdir in
3650     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3651     .) reldir=$depth ;;
3652     *) reldir=$depth/$srcdir ;;
3653     esac
3654     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3655     cd runtime/etc/mono/2.0
3656     rm -f machine.config
3657     $LN_S $reldir/data/net_2_0/machine.config machine.config
3658     cd $depth
3659 ],[LN_S='$LN_S'])
3660
3661 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3662 [   depth=../../../..
3663     case $srcdir in
3664     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3665     .) reldir=$depth ;;
3666     *) reldir=$depth/$srcdir ;;
3667     esac
3668     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3669     cd runtime/etc/mono/2.0
3670     rm -f web.config
3671     $LN_S $reldir/data/net_2_0/web.config web.config
3672     cd $depth
3673 ],[LN_S='$LN_S'])
3674
3675 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3676 [   depth=../../..
3677     case $srcdir in
3678     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3679     .) reldir=$depth ;;
3680     *) reldir=$depth/$srcdir ;;
3681     esac
3682     $ac_aux_dir/install-sh -d runtime/etc/mono/
3683     cd runtime/etc/mono/
3684     rm -f browscap.ini
3685     $LN_S $reldir/data/browscap.ini browscap.ini
3686     cd $depth
3687 ],[LN_S='$LN_S'])
3688
3689 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3690 [   depth=../../../../..
3691     case $srcdir in
3692     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3693     .) reldir=$depth ;;
3694     *) reldir=$depth/$srcdir ;;
3695     esac
3696     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3697     cd runtime/etc/mono/2.0/Browsers
3698     rm -f Compat.browser
3699     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3700     cd $depth
3701 ],[LN_S='$LN_S'])
3702
3703 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3704 [   depth=../../../../..
3705     case $srcdir in
3706     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3707     .) reldir=$depth ;;
3708     *) reldir=$depth/$srcdir ;;
3709     esac
3710     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3711     cd runtime/etc/mono/4.0/Browsers
3712     rm -f Compat.browser
3713     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3714     cd $depth
3715 ],[LN_S='$LN_S'])
3716
3717 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3718 [   depth=../../../../..
3719     case $srcdir in
3720     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3721     .) reldir=$depth ;;
3722     *) reldir=$depth/$srcdir ;;
3723     esac
3724     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3725     cd runtime/etc/mono/4.5/Browsers
3726     rm -f Compat.browser
3727     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3728     cd $depth
3729 ],[LN_S='$LN_S'])
3730
3731 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3732 [   depth=../../../..
3733     case $srcdir in
3734     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3735     .) reldir=$depth ;;
3736     *) reldir=$depth/$srcdir ;;
3737     esac
3738     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3739     cd runtime/etc/mono/4.0
3740     rm -f machine.config
3741     $LN_S $reldir/data/net_4_0/machine.config machine.config
3742     cd $depth
3743 ],[LN_S='$LN_S'])
3744
3745 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3746 [   depth=../../../..
3747     case $srcdir in
3748     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3749     .) reldir=$depth ;;
3750     *) reldir=$depth/$srcdir ;;
3751     esac
3752     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3753     cd runtime/etc/mono/4.0
3754     rm -f web.config
3755     $LN_S $reldir/data/net_4_0/web.config web.config
3756     cd $depth
3757 ],[LN_S='$LN_S'])
3758
3759 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3760 [   depth=../../../..
3761     case $srcdir in
3762     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3763     .) reldir=$depth ;;
3764     *) reldir=$depth/$srcdir ;;
3765     esac
3766     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3767     cd runtime/etc/mono/4.5
3768     rm -f machine.config
3769     $LN_S $reldir/data/net_4_5/machine.config machine.config
3770     cd $depth
3771 ],[LN_S='$LN_S'])
3772
3773 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3774 [   depth=../../../..
3775     case $srcdir in
3776     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3777     .) reldir=$depth ;;
3778     *) reldir=$depth/$srcdir ;;
3779     esac
3780     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3781     cd runtime/etc/mono/4.5
3782     rm -f web.config
3783     $LN_S $reldir/data/net_4_5/web.config web.config
3784     cd $depth
3785 ],[LN_S='$LN_S'])
3786
3787 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])
3788
3789 AC_OUTPUT([
3790 Makefile
3791 mono-core.spec
3792 mono-uninstalled.pc
3793 scripts/mono-find-provides
3794 scripts/mono-find-requires
3795 mono/Makefile
3796 mono/utils/Makefile
3797 mono/metadata/Makefile
3798 mono/dis/Makefile
3799 mono/cil/Makefile
3800 mono/arch/Makefile
3801 mono/arch/x86/Makefile
3802 mono/arch/amd64/Makefile
3803 mono/arch/ppc/Makefile
3804 mono/arch/sparc/Makefile
3805 mono/arch/s390x/Makefile
3806 mono/arch/arm/Makefile
3807 mono/arch/arm64/Makefile
3808 mono/arch/ia64/Makefile
3809 mono/arch/mips/Makefile
3810 mono/tests/Makefile
3811 mono/tests/tests-config
3812 mono/tests/assemblyresolve/Makefile
3813 mono/tests/cas/Makefile
3814 mono/tests/cas/assembly/Makefile
3815 mono/tests/cas/demand/Makefile
3816 mono/tests/cas/inheritance/Makefile
3817 mono/tests/cas/linkdemand/Makefile
3818 mono/tests/cas/threads/Makefile
3819 mono/tests/gc-descriptors/Makefile
3820 mono/unit-tests/Makefile
3821 mono/benchmark/Makefile
3822 mono/io-layer/Makefile
3823 mono/mini/Makefile
3824 mono/profiler/Makefile
3825 m4/Makefile
3826 ikvm-native/Makefile
3827 scripts/Makefile
3828 man/Makefile
3829 docs/Makefile
3830 data/Makefile
3831 data/net_2_0/Makefile
3832 data/net_4_0/Makefile
3833 data/net_4_5/Makefile
3834 data/net_2_0/Browsers/Makefile
3835 data/net_4_0/Browsers/Makefile
3836 data/net_4_5/Browsers/Makefile
3837 data/mint.pc
3838 data/mono-2.pc
3839 data/monosgen-2.pc
3840 data/mono.pc
3841 data/mono-cairo.pc
3842 data/mono-nunit.pc
3843 data/mono-options.pc
3844 data/mono-lineeditor.pc
3845 data/monodoc.pc
3846 data/dotnet.pc
3847 data/dotnet35.pc
3848 data/wcf.pc
3849 data/cecil.pc
3850 data/system.web.extensions_1.0.pc
3851 data/system.web.extensions.design_1.0.pc
3852 data/system.web.mvc.pc
3853 data/system.web.mvc2.pc
3854 data/system.web.mvc3.pc
3855 data/aspnetwebstack.pc
3856 data/reactive.pc
3857 samples/Makefile
3858 support/Makefile
3859 data/config
3860 tools/Makefile
3861 tools/locale-builder/Makefile
3862 tools/sgen/Makefile
3863 tools/monograph/Makefile
3864 runtime/Makefile
3865 msvc/Makefile
3866 po/Makefile
3867 ])
3868
3869 # Update all submodules recursively to ensure everything is checked out
3870 $srcdir/scripts/update_submodules
3871
3872 if test x$host_win32 = xyes; then
3873    # Get rid of 'cyg' prefixes in library names
3874    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3875    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3876    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3877    # executable doesn't work...
3878    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3879 fi
3880
3881 if test x$platform_darwin = xyes; then
3882    # This doesn't seem to be required and it slows down parallel builds
3883    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3884 fi
3885
3886 (
3887   case $prefix in
3888   NONE) prefix=$ac_default_prefix ;;
3889   esac
3890   case $exec_prefix in
3891   NONE) exec_prefix='${prefix}' ;;
3892   esac
3893
3894   #
3895   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3896   # any existing config.make.  This allows people to share the same source tree
3897   # with different build directories, one native and one cross
3898   #
3899   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3900
3901     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3902
3903     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3904     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3905     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3906     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3907     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3908     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3909     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3910     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3911
3912     case $INSTALL in
3913     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3914     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3915     esac
3916
3917     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3918
3919     export VERSION
3920     [myver=$($AWK 'BEGIN {
3921       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3922       if(length(vsplit [1]) > 4) {
3923         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3924       }
3925       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3926     }')]
3927
3928     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3929
3930     if test x$platform_darwin = xyes; then
3931       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3932     fi
3933
3934         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3935            enable_system_aot=yes
3936         fi
3937
3938     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3939       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3940     fi
3941
3942     if test x$DISABLE_MCS_DOCS = xyes; then
3943       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3944     fi
3945
3946     if test x$has_extension_module != xno; then
3947         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3948     fi
3949
3950         default_profile=net_4_5
3951     if test -z "$INSTALL_MONODROID_TRUE"; then :
3952                 default_profile=monodroid
3953     fi
3954     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3955                 default_profile=monotouch
3956     fi
3957         if test -z "$INSTALL_XAMMAC_TRUE"; then :
3958                 default_profile=xammac
3959         fi
3960     if test -z "$INSTALL_4_5_TRUE"; then :
3961                 default_profile=net_4_5
3962     fi
3963     
3964     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3965     
3966     if test "x$test_bcl_opt" = "xyes"; then    
3967       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3968     fi
3969
3970   fi
3971
3972   # if we have an olive folder, override the default settings
3973   if test -d $olivedir; then
3974
3975     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3976
3977       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3978
3979       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3980       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3981       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3982       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3983       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3984       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3985     fi
3986   fi
3987
3988 )
3989
3990 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3991
3992 echo "
3993         mcs source:    $mcsdir
3994
3995    Engine:
3996         Host:          $host
3997         Target:        $target
3998         GC:            $gc_msg 
3999         TLS:           $with_tls
4000         SIGALTSTACK:   $with_sigaltstack
4001         Engine:        $jit_status
4002         oprofile:      $OPROFILE
4003         BigArrays:     $enable_big_arrays
4004         DTrace:        $enable_dtrace
4005         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4006
4007    Libraries:
4008         .NET 4.5:      $with_profile4_5
4009         MonoDroid:     $with_monodroid
4010         MonoTouch:     $with_monotouch
4011         Xamarin.Mac:   $with_xammac
4012         JNI support:   $jdk_headers_found
4013         libgdiplus:    $libgdiplus_msg
4014         zlib:          $zlib_msg
4015         $disabled
4016 "
4017 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4018    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4019 fi