Merge pull request #1464 from akoeplinger/fix-portable-target
[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"$GCC" = xyes; then
531         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
532
533                 # We require C99 with some GNU extensions, e.g. `linux` macro
534                 CFLAGS="$CFLAGS -std=gnu99"
535
536                 # The runtime code does not respect ANSI C strict aliasing rules
537                 CFLAGS="$CFLAGS -fno-strict-aliasing"
538
539                 # We rely on signed overflow to behave
540                 CFLAGS="$CFLAGS -fwrapv"
541
542                 # Don't export any symbols by default
543                 CFLAGS="$CFLAGS -fvisibility=hidden"
544                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
545                 CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
546
547                 # Export symbols marked by MONO_API
548                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
549
550                 ORIG_CFLAGS=$CFLAGS
551                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
552                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
553                 AC_TRY_COMPILE([],[
554                                 return 0;
555                 ], [
556                    AC_MSG_RESULT(yes)
557                 ], [
558                    AC_MSG_RESULT(no)
559                    CFLAGS=$ORIG_CFLAGS
560                 ])
561
562                 ORIG_CFLAGS=$CFLAGS
563                 # Check for the normal version, since gcc ignores unknown -Wno options
564                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
565                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
566                 AC_TRY_COMPILE([],[
567                                 return 0;
568                 ], [
569                    AC_MSG_RESULT(yes)
570                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
571                 ], [
572                    AC_MSG_RESULT(no)
573                    CFLAGS=$ORIG_CFLAGS
574                 ])
575
576                 if test "x$mono_cv_clang" = "xyes"; then
577                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
578                    WARN="$WARN -Qunused-arguments"
579                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign"
580                 fi
581 else
582         # The Sun Forte compiler complains about inline functions that access static variables
583         # so disable all inlining.
584         case "$host" in
585         *-*-solaris*)
586                 CFLAGS="$CFLAGS -Dinline="
587                 ;;
588         esac
589 fi
590 CFLAGS="$CFLAGS -g $WARN"
591 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
592 CPPFLAGS="$CPPFLAGS -g $WARN"
593
594 # Where's the 'mcs' source tree?
595 if test -d $srcdir/mcs; then
596   mcsdir=mcs
597 else
598   mcsdir=../mcs
599 fi
600
601 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
602         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
603                 mcsdir=$with_mcs_path
604         fi
605 )
606
607 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
608
609 #
610 # A sanity check to catch cases where the package was unpacked
611 # with an ancient tar program (Solaris)
612 #
613 AC_ARG_ENABLE(solaris-tar-check,
614 [  --disable-solaris-tar-check    disable solaris tar check],
615    do_solaris_tar_check=no, do_solaris_tar_check=yes)
616
617 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
618         AC_MSG_CHECKING(integrity of package)
619         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
620         then
621                 AC_MSG_RESULT(ok)
622         else
623                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
624                 AC_MSG_ERROR([$errorm])
625         fi
626 fi
627
628 if test "x$with_mcs_path" != "x"; then
629 mcs_topdir=$(cd "$mcsdir" && pwd)
630 mcs_topdir_from_srcdir=$mcs_topdir
631 else
632 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
633 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
634 fi
635
636 # Convert mcs_topdir* paths to Windows syntax.
637 if test x$cross_compiling$host_win32 = xnoyes; then
638   mcs_topdir=$(cygpath -m $mcs_topdir)
639   case $mcs_topdir_from_srcdir in
640     /cygdrive/*)
641         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
642         ;;
643   esac
644 fi
645
646 AC_SUBST([mcs_topdir])
647 AC_SUBST([mcs_topdir_from_srcdir])
648
649 # Where's the 'olive' source tree?
650 if test -d $srcdir/olive; then
651   olivedir=olive
652 else
653   olivedir=../olive
654 fi
655
656 if test -d $srcdir/$olivedir; then
657 olive_topdir='$(top_srcdir)/'$olivedir
658 fi
659
660 # gettext: prepare the translation directories. 
661 # we do not configure the full gettext, as we consume it dynamically from C#
662 AM_PO_SUBDIRS
663
664 if test "x$USE_NLS" = "xyes"; then
665    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
666
667    if test "x$HAVE_MSGFMT" = "xno"; then
668           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
669    fi
670 fi
671
672 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
673
674 pkg_config_path=
675 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
676         if test x$with_crosspkgdir = "x"; then
677                 if test -s $PKG_CONFIG_PATH; then
678                         pkg_config_path=$PKG_CONFIG_PATH
679                 fi
680         else
681                 pkg_config_path=$with_crosspkgdir
682                 PKG_CONFIG_PATH=$pkg_config_path
683                 export PKG_CONFIG_PATH
684         fi
685 )
686
687 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
688 if test x$werror_flag = xyes; then
689         WERROR_CFLAGS="-Werror"
690 fi
691 AC_SUBST([WERROR_CFLAGS])
692
693 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
694 AC_CONFIG_SUBDIRS(eglib)
695
696 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
697 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
698 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
699 BUILD_GLIB_LIBS="$GLIB_LIBS"
700 GMODULE_CFLAGS="$GLIB_CFLAGS"
701 GMODULE_LIBS="$GLIB_LIBS"
702   
703 AC_SUBST(GLIB_CFLAGS)
704 AC_SUBST(GLIB_LIBS)
705 AC_SUBST(GMODULE_CFLAGS)
706 AC_SUBST(GMODULE_LIBS)
707 AC_SUBST(BUILD_GLIB_CFLAGS)
708 AC_SUBST(BUILD_GLIB_LIBS)
709
710 # Enable support for fast thread-local storage
711 # Some systems have broken support, so we allow to disable it.
712 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
713
714 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
715 # This does not work on some platforms (bug #55253)
716 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
717
718 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
719 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
720 # Same as --with-shared_mono=no
721 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
722
723 if test "x$enable_static" = "xno"; then
724    with_static_mono=no
725 fi
726
727 if test "x$enable_shared" = "xno"; then
728    with_shared_mono=no
729 fi
730
731 if test "x$enable_libraries" = "xno"; then
732    with_shared_mono=no
733 fi
734
735 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
736
737 case $host in
738 *nacl* ) with_shared_mono=yes;;
739 esac
740
741 if test "x$host_win32" = "xyes"; then
742    # Boehm GC requires the runtime to be in its own dll
743    with_static_mono=no
744 fi
745
746 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
747 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
748 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
749
750 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
751 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
752         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
753         ORIG_CFLAGS=$CFLAGS
754         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
755         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
756         AC_TRY_COMPILE([], [
757                 return 0;
758         ], [
759            AC_MSG_RESULT(yes)
760            # Pass it to libgc as well
761            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
762         ], [
763            AC_MSG_RESULT(no)
764            CFLAGS=$ORIG_CFLAGS
765         ])
766 fi
767
768 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
769
770 if test x$enable_small_config = xyes; then
771         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
772         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
773 fi
774
775 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=$enableval, enable_system_aot=default)
776
777 DISABLED_FEATURES=none
778
779 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
780      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
781      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
782          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying, shared_handles.],
783 [
784         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
785                 eval "mono_feature_disable_$feature='yes'"
786         done
787         DISABLED_FEATURES=$enable_minimal
788         disabled="Disabled:      $enable_minimal"
789 ],[])
790
791 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
792
793 if test "x$mono_feature_disable_aot" = "xyes"; then
794         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
795         AC_MSG_NOTICE([Disabled AOT compiler])
796 fi
797
798 if test "x$mono_feature_disable_profiler" = "xyes"; then
799         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
800         AC_MSG_NOTICE([Disabled support for the profiler])
801 fi
802 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
803
804 if test "x$mono_feature_disable_decimal" = "xyes"; then
805         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
806         AC_MSG_NOTICE([Disabled support for decimal])
807 fi
808
809 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
810         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
811         AC_MSG_NOTICE([Disabled support for P/Invoke])
812 fi
813
814 if test "x$mono_feature_disable_debug" = "xyes"; then
815         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
816         AC_MSG_NOTICE([Disabled support for runtime debugging])
817 fi
818
819 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
820         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
821         mono_feature_disable_reflection_emit_save=yes
822         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
823 fi
824
825 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
826         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
827         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
828 fi
829
830 if test "x$mono_feature_disable_large_code" = "xyes"; then
831         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
832         AC_MSG_NOTICE([Disabled support for large assemblies])
833 fi
834
835 if test "x$mono_feature_disable_logging" = "xyes"; then
836         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
837         AC_MSG_NOTICE([Disabled support for logging])
838 fi
839
840 if test "x$mono_feature_disable_com" = "xyes"; then
841         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
842         AC_MSG_NOTICE([Disabled COM support])
843 fi
844
845 if test "x$mono_feature_disable_ssa" = "xyes"; then
846         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
847         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
848 fi
849
850 if test "x$mono_feature_disable_generics" = "xyes"; then
851         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
852         AC_MSG_NOTICE([Disabled Generics Support])
853 fi
854
855 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
856         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
857         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
858 fi
859
860 if test "x$mono_feature_disable_portability" = "xyes"; then
861         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
862         AC_MSG_NOTICE([Disabled IO Portability layer])
863 fi
864
865 if test "x$mono_feature_disable_attach" = "xyes"; then
866         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
867         AC_MSG_NOTICE([Disabled agent attach])
868 fi
869
870 if test "x$mono_feature_disable_full_messages" = "xyes"; then
871         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
872         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
873 fi
874
875 if test "x$mono_feature_disable_verifier" = "xyes"; then
876         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
877         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
878 fi
879
880 if test "x$mono_feature_disable_jit" = "xyes"; then
881         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
882         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
883 fi
884
885 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
886
887 if test "x$mono_feature_disable_simd" = "xyes"; then
888         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
889         AC_MSG_NOTICE([Disabled SIMD support])
890 fi
891
892 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
893         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
894         AC_MSG_NOTICE([Disabled Soft Debugger.])
895 fi
896
897 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
898         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
899         AC_MSG_NOTICE([Disabled Performance Counters.])
900 fi
901 if test "x$mono_feature_disable_normalization" = "xyes"; then
902         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
903         AC_MSG_NOTICE([Disabled String normalization support.])
904 fi
905
906 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
907         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
908         AC_MSG_NOTICE([Disabled Assembly remapping.])
909 fi
910
911 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
912         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
913         AC_MSG_NOTICE([Disabled Shared perfcounters.])
914 fi
915
916 if test "x$mono_feature_disable_appdomains" = "xyes"; then
917         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
918         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
919 fi
920
921 if test "x$mono_feature_disable_remoting" = "xyes"; then
922         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
923         AC_MSG_NOTICE([Disabled remoting])
924 fi
925
926 if test "x$mono_feature_disable_security" = "xyes"; then
927         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
928         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
929 fi
930
931 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
932         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
933         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
934 fi
935
936 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
937         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
938         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
939 fi
940
941 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
942         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
943         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
944 fi
945
946 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
947         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
948         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
949 fi
950
951 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
952         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
953         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
954 fi
955
956 if test "x$mono_feature_disable_shared_handles" = "xyes"; then
957         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
958         AC_SUBST(DISABLE_SHARED_HANDLES)
959 fi
960
961 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
962 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
963
964 has_extension_module=no
965 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
966 [
967         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
968                 if test x$extension = xdefault ; then
969                         has_extension_module=yes;
970                 fi
971         done
972         if test x$enable_extension_module = xyes; then
973                 has_extension_module=yes;
974         fi
975 ], [])
976
977 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
978
979 if test x$has_extension_module != xno ; then
980         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
981         AC_MSG_NOTICE([Enabling mono extension module.])
982 fi
983
984 AC_ARG_ENABLE(gsharing, [  --enable-gsharing Enable gsharing], enable_gsharing=$enableval, enable_gsharing=no)
985 if test x$enable_gsharing = xyes; then
986         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharing])
987 fi
988
989 AC_ARG_ENABLE(native-types, [  --enable-native-types Enable native types], enable_native_types=$enableval, enable_native_types=no)
990 if test x$enable_native_types = xyes; then
991         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
992 fi
993
994 AC_MSG_CHECKING(for visibility __attribute__)
995 AC_COMPILE_IFELSE([
996         AC_LANG_SOURCE([[
997                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
998                 int main () { doit (); return 0; }
999         ]])
1000 ], [
1001    have_visibility_hidden=yes
1002    AC_MSG_RESULT(yes)
1003 ], [
1004    have_visibility_hidden=no
1005    AC_MSG_RESULT(no)
1006 ])
1007
1008 AC_MSG_CHECKING(for deprecated __attribute__)
1009 AC_TRY_COMPILE([
1010      int doit (void) __attribute__ ((deprecated));
1011      int doit (void) { return 0; }
1012 ], [
1013         return 0;
1014 ], [
1015    have_deprecated=yes
1016    AC_MSG_RESULT(yes)
1017 ], [
1018    have_deprecated=no
1019    AC_MSG_RESULT(no)
1020 ])
1021
1022 dnl
1023 dnl Boehm GC configuration
1024 dnl
1025
1026 AC_ARG_WITH(libgc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=$libgc_default])
1027
1028 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1029 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1030
1031 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1032 if test x$enable_parallel_mark = xyes; then
1033         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1034 fi
1035
1036 gc_headers=no
1037 gc_msg=""
1038 use_included_gc=no
1039 LIBGC_CPPFLAGS=
1040 LIBGC_LIBS=
1041 LIBGC_STATIC_LIBS=
1042 libgc_dir=
1043 case "x$libgc" in
1044         xboehm|xbohem|xyes)
1045                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
1046                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
1047
1048                 if test "x$found_boehm" != "xyes"; then
1049                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
1050                 fi
1051                 if test "x$gc_headers" != "xyes"; then
1052                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
1053                 fi
1054
1055                 LIBGC_LIBS="-lgc $libdl"
1056                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
1057                 libmono_ldflags="$libmono_ldflags -lgc"
1058                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1059
1060                 # AC_CHECK_FUNCS does not work for some reason...
1061                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1062                 if test "x$found_gcj_malloc" = "xyes"; then
1063                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1064                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1065                         gc_msg="System Boehm with typed GC"
1066                 else
1067                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1068                         gc_msg="System Boehm (without typed GC)"
1069                 fi
1070                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1071                 if test "x$found_gc_enable" = "xyes"; then
1072                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1073                 fi
1074
1075                 # check whether we need to explicitly allow
1076                 # thread registering
1077                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1078                 if test "x$found_allow_register_threads" = "xyes"; then
1079                    AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1080                 fi
1081                 ;;
1082
1083         xincluded)
1084                 use_included_gc=yes
1085                 if test "x$support_boehm" = "xyes"; then
1086                         libgc_dir=libgc
1087                 fi
1088
1089                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1090                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1091                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1092
1093                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1094
1095                 if test x$target_win32 = xyes; then
1096                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1097                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1098                 fi
1099
1100                 gc_msg="Included Boehm GC with typed GC"
1101                 if test x$enable_parallel_mark = xyes; then
1102                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1103                         gc_msg="$gc_msg and parallel mark"
1104                 else
1105                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1106                 fi
1107                 ;;
1108
1109         xsgen)
1110                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1111                 ;;
1112
1113         xnone)
1114                 AC_MSG_WARN("Compiling mono without GC.")
1115                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1116                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1117                 gc_msg="none"
1118                 ;;
1119         *)
1120                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1121                 ;;
1122 esac
1123
1124 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1125 if test "x$large_heap" = "xyes"; then
1126    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1127 fi
1128
1129 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1130 AC_SUBST(LIBGC_CPPFLAGS)
1131 AC_SUBST(LIBGC_LIBS)
1132 AC_SUBST(LIBGC_STATIC_LIBS)
1133 AC_SUBST(libgc_dir)
1134 AC_SUBST(BOEHM_DEFINES)
1135
1136 dnl
1137 dnl End of Boehm GC Configuration
1138 dnl
1139
1140 dnl *************************************
1141 dnl *** Checks for zero length arrays ***
1142 dnl *************************************
1143 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1144 AC_TRY_COMPILE([
1145         struct s {
1146                 int  length;
1147                 char data [0];
1148         };
1149 ], [], [
1150         AC_MSG_RESULT(yes)
1151         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1152 ], [
1153         AC_MSG_RESULT(no)
1154         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1155 ])
1156
1157 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1158
1159 dnl ***********************************
1160 dnl *** Checks for signals
1161 dnl ***********************************
1162 AC_CHECK_HEADERS(signal.h)
1163 AC_CHECK_FUNCS(sigaction)
1164
1165 if test x$target_win32 = xno; then
1166
1167         dnl hires monotonic clock support
1168         AC_SEARCH_LIBS(clock_gettime, rt)
1169
1170         dnl dynamic loader support
1171         AC_CHECK_FUNC(dlopen, DL_LIB="",
1172                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1173         )
1174         if test x$dl_support = xno; then
1175                 AC_MSG_WARN([No dynamic loading support available])
1176         else
1177                 LIBS="$LIBS $DL_LIB"
1178                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1179                 dnl from glib's configure.ac
1180                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1181                         mono_cv_uscore,[
1182                         AC_TRY_RUN([#include <dlfcn.h>
1183                         int mono_underscore_test (void) { return 42; }
1184                         int main() {
1185                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1186                           handle = dlopen ((void*)0, 0);
1187                           if (handle) {
1188                             f1 = dlsym (handle, "mono_underscore_test");
1189                             f2 = dlsym (handle, "_mono_underscore_test");
1190                           } return (!f2 || f1);
1191                         }],
1192                                 [mono_cv_uscore=yes],
1193                                 [mono_cv_uscore=no],
1194                         [])
1195                 ])
1196                 if test "x$mono_cv_uscore" = "xyes"; then
1197                         MONO_DL_NEED_USCORE=1
1198                 else
1199                         MONO_DL_NEED_USCORE=0
1200                 fi
1201                 AC_SUBST(MONO_DL_NEED_USCORE)
1202                 AC_CHECK_FUNC(dlerror)
1203         fi
1204
1205         dnl ******************************************************************
1206         dnl *** Checks for the IKVM JNI interface library                  ***
1207         dnl ******************************************************************
1208         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])
1209
1210         ikvm_native_dir=
1211         if test x$with_ikvm_native = xyes; then
1212                 ikvm_native_dir=ikvm-native
1213                 jdk_headers_found="IKVM Native"
1214         fi
1215
1216         AC_SUBST(ikvm_native_dir)
1217
1218         AC_CHECK_HEADERS(execinfo.h)
1219
1220         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1221
1222         AC_CHECK_FUNCS(getgrgid_r)
1223         AC_CHECK_FUNCS(getgrnam_r)
1224         AC_CHECK_FUNCS(getpwnam_r)
1225         AC_CHECK_FUNCS(getpwuid_r)
1226         AC_CHECK_FUNCS(getresuid)
1227         AC_CHECK_FUNCS(setresuid)
1228         AC_CHECK_FUNCS(kqueue)
1229         AC_CHECK_FUNCS(backtrace_symbols)
1230         AC_CHECK_FUNCS(mkstemp)
1231         AC_CHECK_FUNCS(mmap)
1232         AC_CHECK_FUNCS(madvise)
1233         AC_CHECK_FUNCS(getrusage)
1234         AC_CHECK_FUNCS(getpriority)
1235         AC_CHECK_FUNCS(setpriority)
1236         AC_CHECK_FUNCS(dl_iterate_phdr)
1237         AC_CHECK_FUNCS(dladdr)
1238         AC_CHECK_FUNCS(sysconf)
1239         AC_CHECK_FUNCS(getrlimit)
1240
1241         AC_CHECK_FUNCS(sched_setaffinity)
1242         AC_CHECK_FUNCS(sched_getcpu)
1243
1244         dnl ****************************************************************
1245         dnl *** Check for sched_setaffinity from glibc versions before   ***
1246         dnl *** 2.3.4. The older versions of the function only take 2    ***
1247         dnl *** parameters, not 3.                                       ***
1248         dnl ***                                                          ***
1249         dnl *** Because the interface change was not made in a minor     ***
1250         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1251         dnl *** won't always indicate the interface sched_affinity has.  ***
1252         dnl ****************************************************************
1253         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1254         AC_TRY_COMPILE([#include <sched.h>], [
1255             int mask = 1; 
1256             sched_setaffinity(0, &mask);
1257                         return 0;
1258         ], [
1259                 # Yes, we have it...
1260                 AC_MSG_RESULT(yes)
1261                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1262         ], [
1263                 # We have the new, three-parameter version
1264                 AC_MSG_RESULT(no)
1265         ])
1266
1267
1268         dnl ******************************************************************
1269         dnl *** Check for large file support                               ***
1270         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1271         dnl ******************************************************************
1272         
1273         # Check that off_t can represent 2**63 - 1 correctly, working around
1274         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1275         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1276         large_offt=no
1277         AC_DEFUN([LARGE_FILES], [
1278                 large_CPPFLAGS=$CPPFLAGS
1279                 CPPFLAGS="$CPPFLAGS $1"
1280                 AC_TRY_COMPILE([
1281                         #include <sys/types.h>
1282                         #include <limits.h>
1283                 ], [
1284                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1285                         #define COMPILE_TIME_ASSERT(pred) \
1286                                 switch(0){case 0:case pred:;}
1287                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1288                 ], [
1289                         AC_MSG_RESULT(ok)
1290                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1291                         large_CPPFLAGS="$large_CPPFLAGS $1"
1292                         large_offt=yes
1293                 ], [
1294                         AC_MSG_RESULT(no)
1295                 ])
1296                 CPPFLAGS=$large_CPPFLAGS
1297         ])
1298
1299         AC_MSG_CHECKING(if off_t is 64 bits wide)
1300         LARGE_FILES("")
1301         if test $large_offt = no; then
1302                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1303                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1304         fi
1305         if test $large_offt = no; then
1306                 AC_MSG_WARN([No 64 bit file size support available])
1307         fi
1308         
1309         dnl *****************************
1310         dnl *** Checks for libsocket  ***
1311         dnl *****************************
1312         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1313
1314         case "$host" in
1315                 *-*-*freebsd*)
1316                         dnl *****************************
1317                         dnl *** Checks for libinotify ***
1318                         dnl *****************************
1319                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1320         esac
1321
1322         dnl *******************************
1323         dnl *** Checks for MSG_NOSIGNAL ***
1324         dnl *******************************
1325         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1326         AC_TRY_COMPILE([#include <sys/socket.h>], [
1327                 int f = MSG_NOSIGNAL;
1328         ], [
1329                 # Yes, we have it...
1330                 AC_MSG_RESULT(yes)
1331                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1332         ], [
1333                 # We'll have to use signals
1334                 AC_MSG_RESULT(no)
1335         ])
1336
1337         dnl *****************************
1338         dnl *** Checks for IPPROTO_IP ***
1339         dnl *****************************
1340         AC_MSG_CHECKING(for IPPROTO_IP)
1341         AC_TRY_COMPILE([#include <netinet/in.h>], [
1342                 int level = IPPROTO_IP;
1343         ], [
1344                 # Yes, we have it...
1345                 AC_MSG_RESULT(yes)
1346                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1347         ], [
1348                 # We'll have to use getprotobyname
1349                 AC_MSG_RESULT(no)
1350         ])
1351
1352         dnl *******************************
1353         dnl *** Checks for IPPROTO_IPV6 ***
1354         dnl *******************************
1355         AC_MSG_CHECKING(for IPPROTO_IPV6)
1356         AC_TRY_COMPILE([#include <netinet/in.h>], [
1357                 int level = IPPROTO_IPV6;
1358         ], [
1359                 # Yes, we have it...
1360                 AC_MSG_RESULT(yes)
1361                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1362         ], [
1363                 # We'll have to use getprotobyname
1364                 AC_MSG_RESULT(no)
1365         ])
1366
1367         dnl ******************************
1368         dnl *** Checks for IPPROTO_TCP ***
1369         dnl ******************************
1370         AC_MSG_CHECKING(for IPPROTO_TCP)
1371         AC_TRY_COMPILE([#include <netinet/in.h>], [
1372                 int level = IPPROTO_TCP;
1373         ], [
1374                 # Yes, we have it...
1375                 AC_MSG_RESULT(yes)
1376                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1377         ], [
1378                 # We'll have to use getprotobyname
1379                 AC_MSG_RESULT(no)
1380         ])
1381
1382         dnl *****************************
1383         dnl *** Checks for SOL_IP     ***
1384         dnl *****************************
1385         AC_MSG_CHECKING(for SOL_IP)
1386         AC_TRY_COMPILE([#include <netdb.h>], [
1387                 int level = SOL_IP;
1388         ], [
1389                 # Yes, we have it...
1390                 AC_MSG_RESULT(yes)
1391                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1392         ], [
1393                 # We'll have to use getprotobyname
1394                 AC_MSG_RESULT(no)
1395         ])
1396
1397         dnl *****************************
1398         dnl *** Checks for SOL_IPV6     ***
1399         dnl *****************************
1400         AC_MSG_CHECKING(for SOL_IPV6)
1401         AC_TRY_COMPILE([#include <netdb.h>], [
1402                 int level = SOL_IPV6;
1403         ], [
1404                 # Yes, we have it...
1405                 AC_MSG_RESULT(yes)
1406                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1407         ], [
1408                 # We'll have to use getprotobyname
1409                 AC_MSG_RESULT(no)
1410         ])
1411
1412         dnl *****************************
1413         dnl *** Checks for SOL_TCP    ***
1414         dnl *****************************
1415         AC_MSG_CHECKING(for SOL_TCP)
1416         AC_TRY_COMPILE([#include <netdb.h>], [
1417                 int level = SOL_TCP;
1418         ], [
1419                 # Yes, we have it...
1420                 AC_MSG_RESULT(yes)
1421                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1422         ], [
1423                 # We'll have to use getprotobyname
1424                 AC_MSG_RESULT(no)
1425         ])
1426
1427         dnl *****************************
1428         dnl *** Checks for IP_PKTINFO ***
1429         dnl *****************************
1430         AC_MSG_CHECKING(for IP_PKTINFO)
1431         AC_TRY_COMPILE([#include <linux/in.h>], [
1432                 int level = IP_PKTINFO;
1433         ], [
1434                 # Yes, we have it...
1435                 AC_MSG_RESULT(yes)
1436                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1437         ], [
1438                 AC_MSG_RESULT(no)
1439         ])
1440
1441         dnl *****************************
1442         dnl *** Checks for IPV6_PKTINFO ***
1443         dnl *****************************
1444         AC_MSG_CHECKING(for IPV6_PKTINFO)
1445         AC_TRY_COMPILE([#include <netdb.h>], [
1446                 int level = IPV6_PKTINFO;
1447         ], [
1448                 # Yes, we have it...
1449                 AC_MSG_RESULT(yes)
1450                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1451         ], [
1452                 AC_MSG_RESULT(no)
1453         ])
1454
1455         dnl **********************************
1456         dnl *** Checks for IP_DONTFRAG     ***
1457         dnl **********************************
1458         AC_MSG_CHECKING(for IP_DONTFRAG)
1459         AC_TRY_COMPILE([#include <netinet/in.h>], [
1460                 int level = IP_DONTFRAG;
1461         ], [
1462                 # Yes, we have it...
1463                 AC_MSG_RESULT(yes)
1464                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1465         ], [
1466                 AC_MSG_RESULT(no)
1467         ])
1468
1469         dnl **********************************
1470         dnl *** Checks for IP_DONTFRAGMENT ***
1471         dnl **********************************
1472         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1473         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1474                 int level = IP_DONTFRAGMENT;
1475         ], [
1476                 # Yes, we have it...
1477                 AC_MSG_RESULT(yes)
1478                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1479         ], [
1480                 AC_MSG_RESULT(no)
1481         ])
1482
1483         dnl **********************************
1484         dnl *** Checks for IP_MTU_DISCOVER ***
1485         dnl **********************************
1486         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1487         AC_TRY_COMPILE([#include <linux/in.h>], [
1488                 int level = IP_MTU_DISCOVER;
1489         ], [
1490                 # Yes, we have it...
1491                 AC_MSG_RESULT(yes)
1492                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1493         ], [
1494                 AC_MSG_RESULT(no)
1495         ])
1496
1497         dnl **********************************
1498         dnl *** Checks for  IP_PMTUDISC_DO ***
1499         dnl **********************************
1500         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1501         AC_TRY_COMPILE([#include <linux/in.h>], [
1502                 int level = IP_PMTUDISC_DO;
1503         ], [
1504                 # Yes, we have it...
1505                 AC_MSG_RESULT(yes)
1506                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1507         ], [
1508                 AC_MSG_RESULT(no)
1509         ])
1510
1511         dnl *********************************
1512         dnl *** Check for struct ip_mreqn ***
1513         dnl *********************************
1514         AC_MSG_CHECKING(for struct ip_mreqn)
1515         AC_TRY_COMPILE([#include <netinet/in.h>], [
1516                 struct ip_mreqn mreq;
1517                 mreq.imr_address.s_addr = 0;
1518         ], [
1519                 # Yes, we have it...
1520                 AC_MSG_RESULT(yes)
1521                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1522         ], [
1523                 # We'll just have to try and use struct ip_mreq
1524                 AC_MSG_RESULT(no)
1525                 AC_MSG_CHECKING(for struct ip_mreq)
1526                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1527                         struct ip_mreq mreq;
1528                         mreq.imr_interface.s_addr = 0;
1529                 ], [
1530                         # Yes, we have it...
1531                         AC_MSG_RESULT(yes)
1532                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1533                 ], [
1534                         # No multicast support
1535                         AC_MSG_RESULT(no)
1536                 ])
1537         ])
1538         
1539         dnl **********************************
1540         dnl *** Check for getaddrinfo ***
1541         dnl **********************************
1542         AC_MSG_CHECKING(for getaddrinfo)
1543                 AC_TRY_LINK([
1544                 #include <stdio.h>
1545                 #include <netdb.h>
1546         ], [
1547                 getaddrinfo(NULL,NULL,NULL,NULL);
1548         ], [
1549                 # Yes, we have it...
1550                 AC_MSG_RESULT(yes)
1551                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1552         ], [
1553                 AC_MSG_RESULT(no)
1554         ])
1555
1556         dnl **********************************
1557         dnl *** Check for gethostbyname2_r ***
1558         dnl **********************************
1559         AC_MSG_CHECKING(for gethostbyname2_r)
1560                 AC_TRY_LINK([
1561                 #include <stdio.h>
1562                 #include <netdb.h>
1563         ], [
1564
1565                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1566         ], [
1567                 # Yes, we have it...
1568                 AC_MSG_RESULT(yes)
1569                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1570         ], [
1571                 AC_MSG_RESULT(no)
1572         ])
1573
1574         dnl **********************************
1575         dnl *** Check for gethostbyname2 ***
1576         dnl **********************************
1577         AC_MSG_CHECKING(for gethostbyname2)
1578                 AC_TRY_LINK([
1579                 #include <stdio.h>
1580                 #include <netdb.h>
1581         ], [
1582                 gethostbyname2(NULL,0);
1583         ], [
1584                 # Yes, we have it...
1585                 AC_MSG_RESULT(yes)
1586                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1587         ], [
1588                 AC_MSG_RESULT(no)
1589         ])
1590
1591         dnl **********************************
1592         dnl *** Check for gethostbyname ***
1593         dnl **********************************
1594         AC_MSG_CHECKING(for gethostbyname)
1595                 AC_TRY_LINK([
1596                 #include <stdio.h>
1597                 #include <netdb.h>
1598         ], [
1599                 gethostbyname(NULL);
1600         ], [
1601                 # Yes, we have it...
1602                 AC_MSG_RESULT(yes)
1603                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1604         ], [
1605                 AC_MSG_RESULT(no)
1606         ])
1607
1608         dnl **********************************
1609         dnl *** Check for getprotobyname ***
1610         dnl **********************************
1611         AC_MSG_CHECKING(for getprotobyname)
1612                 AC_TRY_LINK([
1613                 #include <stdio.h>
1614                 #include <netdb.h>
1615         ], [
1616                 getprotobyname(NULL);
1617         ], [
1618                 # Yes, we have it...
1619                 AC_MSG_RESULT(yes)
1620                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1621         ], [
1622                 AC_MSG_RESULT(no)
1623         ])
1624
1625         dnl **********************************
1626         dnl *** Check for getnameinfo ***
1627         dnl **********************************
1628         AC_MSG_CHECKING(for getnameinfo)
1629                 AC_TRY_LINK([
1630                 #include <stdio.h>
1631                 #include <netdb.h>
1632         ], [
1633                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1634         ], [
1635                 # Yes, we have it...
1636                 AC_MSG_RESULT(yes)
1637                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1638         ], [
1639                 AC_MSG_RESULT(no)
1640         ])
1641
1642
1643         dnl **********************************
1644         dnl *** Check for inet_ntop ***
1645         dnl **********************************
1646         AC_MSG_CHECKING(for inet_ntop)
1647                 AC_TRY_LINK([
1648                 #include <stdio.h>
1649                 #include <arpa/inet.h>
1650         ], [
1651                 inet_ntop (0, NULL, NULL, 0);
1652         ], [
1653                 # Yes, we have it...
1654                 AC_MSG_RESULT(yes)
1655                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1656         ], [
1657                 AC_MSG_RESULT(no)
1658         ])
1659
1660         dnl *****************************
1661         dnl *** Checks for libnsl     ***
1662         dnl *****************************
1663         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1664
1665         AC_CHECK_FUNCS(inet_pton inet_aton)
1666
1667         dnl *****************************
1668         dnl *** Checks for libxnet    ***
1669         dnl *****************************
1670         case "${host}" in
1671                 *solaris* )
1672                         AC_MSG_CHECKING(for Solaris XPG4 support)
1673                         if test -f /usr/lib/libxnet.so; then
1674                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1675                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1676                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1677                                 LIBS="$LIBS -lxnet"
1678                                 AC_MSG_RESULT(yes)
1679                         else
1680                                 AC_MSG_RESULT(no)
1681                         fi
1682
1683                         if test "$GCC" = "yes"; then
1684                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1685                         fi
1686                 ;;
1687         esac
1688
1689         dnl *****************************
1690         dnl *** Checks for libpthread ***
1691         dnl *****************************
1692 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1693 # and libpthread does not exist
1694 #
1695         case "${host}" in
1696                 *-*-*freebsd*)
1697                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1698                 ;;
1699                 *-*-*openbsd*)
1700                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1701                 ;;
1702                 *)
1703                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1704                 ;;
1705         esac
1706         AC_CHECK_HEADERS(pthread.h)
1707         AC_CHECK_HEADERS(pthread_np.h)
1708         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1709         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1710         AC_CHECK_FUNCS(pthread_kill)
1711         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1712         AC_TRY_COMPILE([ #include <pthread.h>], [
1713                 pthread_mutexattr_t attr;
1714                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1715         ], [
1716                 AC_MSG_RESULT(ok)
1717         ], [
1718                 AC_MSG_RESULT(no)
1719                 AC_ERROR(Posix system lacks support for recursive mutexes)
1720         ])
1721         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1722         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1723         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1724
1725         dnl **********************************
1726         dnl *** Check for mincore ***
1727         dnl **********************************
1728         AC_MSG_CHECKING(for mincore)
1729                 AC_TRY_LINK([
1730                 #include <stdio.h>
1731                 #include <sys/types.h>
1732                 #include <sys/mman.h>
1733         ], [
1734                 mincore(NULL, 0, NULL);
1735         ], [
1736                 # Yes, we have it...
1737                 AC_MSG_RESULT(yes)
1738                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1739         ], [
1740                 AC_MSG_RESULT(no)
1741         ])
1742
1743         dnl ***********************************
1744         dnl *** Checks for working __thread ***
1745         dnl ***********************************
1746         AC_MSG_CHECKING(for working __thread)
1747         if test "x$with_tls" != "x__thread"; then
1748                 AC_MSG_RESULT(disabled)
1749         elif test "x$cross_compiling" = "xyes"; then
1750                 AC_MSG_RESULT(cross compiling, assuming yes)
1751         else
1752                 AC_TRY_RUN([
1753                         #if defined(__APPLE__) && defined(__clang__)
1754                         #error "__thread does not currently work with clang on Mac OS X"
1755                         #endif
1756                         
1757                         #include <pthread.h>
1758                         __thread int i;
1759                         static int res1, res2;
1760
1761                         void thread_main (void *arg)
1762                         {
1763                                 i = arg;
1764                                 sleep (1);
1765                                 if (arg == 1)
1766                                         res1 = (i == arg);
1767                                 else
1768                                         res2 = (i == arg);
1769                         }
1770
1771                         int main () {
1772                                 pthread_t t1, t2;
1773
1774                                 i = 5;
1775
1776                                 pthread_create (&t1, NULL, thread_main, 1);
1777                                 pthread_create (&t2, NULL, thread_main, 2);
1778
1779                                 pthread_join (t1, NULL);
1780                                 pthread_join (t2, NULL);
1781
1782                                 return !(res1 + res2 == 2);
1783                         }
1784                 ], [
1785                                 AC_MSG_RESULT(yes)
1786                 ], [
1787                                 AC_MSG_RESULT(no)
1788                                 with_tls=pthread
1789                 ])
1790         fi
1791
1792         dnl **************************************
1793         dnl *** Checks for working sigaltstack ***
1794         dnl **************************************
1795         AC_MSG_CHECKING(for working sigaltstack)
1796         if test "x$with_sigaltstack" != "xyes"; then
1797                 AC_MSG_RESULT(disabled)
1798         elif test "x$cross_compiling" = "xyes"; then
1799                 AC_MSG_RESULT(cross compiling, assuming yes)
1800         else
1801                 AC_TRY_RUN([
1802                         #include <stdio.h>
1803                         #include <stdlib.h>
1804                         #include <unistd.h>
1805                         #include <signal.h>
1806                         #include <pthread.h>
1807                         #include <sys/wait.h>
1808                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1809                         #define SA_STACK SA_ONSTACK
1810                         #endif
1811                         static void
1812                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1813                         {
1814                                 exit (0);
1815                         }
1816
1817                         volatile char*__ptr = NULL;
1818                         static void *
1819                         loop (void *ignored)
1820                         {
1821                                 *__ptr = 0;
1822                                 return NULL;
1823                         }
1824
1825                         static void
1826                         child ()
1827                         {
1828                                 struct sigaction sa;
1829                         #ifdef __APPLE__
1830                                 stack_t sas;
1831                         #else
1832                                 struct sigaltstack sas;
1833                         #endif
1834                                 pthread_t id;
1835                                 pthread_attr_t attr;
1836
1837                                 sa.sa_sigaction = sigsegv_signal_handler;
1838                                 sigemptyset (&sa.sa_mask);
1839                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1840                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1841                                         perror ("sigaction");
1842                                         return;
1843                                 }
1844
1845                                 /* x86 darwin deliver segfaults using SIGBUS */
1846                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1847                                         perror ("sigaction");
1848                                         return;
1849                                 }
1850                                 sas.ss_sp = malloc (SIGSTKSZ);
1851                                 sas.ss_size = SIGSTKSZ;
1852                                 sas.ss_flags = 0;
1853                                 if (sigaltstack (&sas, NULL) == -1) {
1854                                         perror ("sigaltstack");
1855                                         return;
1856                                 }
1857
1858                                 pthread_attr_init (&attr);
1859                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1860                                         printf ("pthread_create\n");
1861                                         return;
1862                                 }
1863
1864                                 sleep (100);
1865                         }
1866
1867                         int
1868                         main ()
1869                         {
1870                                 pid_t son;
1871                                 int status;
1872                                 int i;
1873
1874                                 son = fork ();
1875                                 if (son == -1) {
1876                                         return 1;
1877                                 }
1878
1879                                 if (son == 0) {
1880                                         child ();
1881                                         return 0;
1882                                 }
1883
1884                                 for (i = 0; i < 300; ++i) {
1885                                         waitpid (son, &status, WNOHANG);
1886                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1887                                                 return 0;
1888                                         usleep (10000);
1889                                 }
1890
1891                                 kill (son, SIGKILL);
1892                                 return 1;
1893                         }
1894
1895                 ], [
1896                                 AC_MSG_RESULT(yes)
1897                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1898                 ], [
1899                                 with_sigaltstack=no
1900                                 AC_MSG_RESULT(no)
1901                 ])
1902         fi
1903
1904         dnl ********************************
1905         dnl *** Checks for semaphore lib ***
1906         dnl ********************************
1907         # 'Real Time' functions on Solaris
1908         # posix4 on Solaris 2.6
1909         # pthread (first!) on Linux
1910         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1911
1912         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1913         AC_CHECK_FUNCS(shm_open)
1914
1915         dnl ********************************
1916         dnl *** Checks for timezone stuff **
1917         dnl ********************************
1918         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1919                 AC_TRY_COMPILE([
1920                         #include <time.h>
1921                         ], [
1922                         struct tm tm;
1923                         tm.tm_gmtoff = 1;
1924                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1925         if test $ac_cv_struct_tm_gmtoff = yes; then
1926                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1927         else
1928                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1929                         AC_TRY_COMPILE([
1930                                 #include <time.h>
1931                         ], [
1932                                 timezone = 1;
1933                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1934                 if test $ac_cv_var_timezone = yes; then
1935                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1936                 else
1937                         AC_ERROR(unable to find a way to determine timezone)
1938                 fi
1939         fi
1940
1941         dnl *********************************
1942         dnl *** Checks for math functions ***
1943         dnl *********************************
1944         AC_SEARCH_LIBS(sqrtf, m)
1945         if test "x$has_broken_apple_cpp" != "xyes"; then
1946                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1947                         AC_TRY_LINK([#include <math.h>], 
1948                         [ finite(0.0); ], 
1949                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1950                         AC_MSG_RESULT(no)))
1951         fi
1952         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1953                 AC_TRY_LINK([#include <math.h>], 
1954                 [ isfinite(0.0); ], 
1955                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1956                 AC_MSG_RESULT(no)))
1957
1958         dnl ****************************************************************
1959         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1960         dnl *** have it in the library (duh))                            ***
1961         dnl ****************************************************************
1962         AC_CHECK_FUNCS(poll)
1963
1964         dnl *************************
1965         dnl *** Check for signbit ***
1966         dnl *************************
1967         AC_MSG_CHECKING(for signbit)
1968         AC_TRY_LINK([#include <math.h>], [
1969                 int s = signbit(1.0);
1970         ], [
1971                 AC_MSG_RESULT(yes)
1972                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1973         ], [
1974                 AC_MSG_RESULT(no)
1975         ]) 
1976
1977         dnl **********************************
1978         dnl *** epoll                      ***
1979         dnl **********************************
1980         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1981                 AC_CHECK_HEADERS(sys/epoll.h)
1982                 haveepoll=no
1983                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1984                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1985                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1986                 fi
1987         fi
1988
1989         havekqueue=no
1990
1991         AC_CHECK_HEADERS(sys/event.h)
1992         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1993
1994         dnl **************************************
1995         dnl * Darwin has a race that prevents us from using reliably:
1996         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1997         dnl * Since kqueue is mostly used for scaling large web servers, 
1998         dnl * and very few folks run Mono on large web servers on OSX, falling
1999         dnl * back 
2000         dnl **************************************
2001         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2002                 if test "x$platform_darwin" = "xno"; then
2003                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2004                 fi
2005         fi
2006
2007         dnl ******************************
2008         dnl *** Checks for SIOCGIFCONF ***
2009         dnl ******************************
2010         AC_CHECK_HEADERS(sys/ioctl.h)
2011         AC_CHECK_HEADERS(net/if.h, [], [],
2012            [
2013            #ifdef HAVE_SYS_TYPES_H
2014            # include <sys/types.h>
2015            #endif
2016            #ifdef HAVE_SYS_SOCKET_H
2017            # include <sys/socket.h>
2018            #endif
2019            ])
2020         AC_MSG_CHECKING(for ifreq)
2021         AC_TRY_COMPILE([
2022                 #include <stdio.h>
2023                 #include <sys/ioctl.h>
2024                 #include <net/if.h>
2025                 ], [
2026                 struct ifconf ifc;
2027                 struct ifreq *ifr;
2028                 void *x;
2029                 ifc.ifc_len = 0;
2030                 ifc.ifc_buf = NULL;
2031                 x = (void *) &ifr->ifr_addr;
2032                 ],[
2033                         AC_MSG_RESULT(yes)
2034                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2035                 ], [
2036                         AC_MSG_RESULT(no)
2037                 ])
2038         dnl **********************************
2039         dnl ***     Checks for sin_len     ***
2040         dnl **********************************
2041         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2042         AC_TRY_COMPILE([
2043                 #include <netinet/in.h>
2044                 ], [
2045                 struct sockaddr_in saddr;
2046                 saddr.sin_len = sizeof (saddr);
2047                 ],[
2048                         AC_MSG_RESULT(yes)
2049                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2050                 ], [
2051                         AC_MSG_RESULT(no)
2052                 ])      
2053         dnl **********************************
2054         dnl ***    Checks for sin6_len     ***
2055         dnl **********************************
2056         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2057         AC_TRY_COMPILE([
2058                 #include <netinet/in.h>
2059                 ], [
2060                 struct sockaddr_in6 saddr6;
2061                 saddr6.sin6_len = sizeof (saddr6);
2062                 ],[
2063                         AC_MSG_RESULT(yes)
2064                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2065                 ], [
2066                         AC_MSG_RESULT(no)
2067                 ])
2068         dnl **********************************
2069         dnl *** Check for getifaddrs       ***
2070         dnl **********************************
2071         AC_MSG_CHECKING(for getifaddrs)
2072                 AC_TRY_LINK([
2073                 #include <stdio.h>
2074                 #include <sys/types.h>
2075                 #include <sys/socket.h>
2076                 #include <ifaddrs.h>
2077         ], [
2078                 getifaddrs(NULL);
2079         ], [
2080                 # Yes, we have it...
2081                 AC_MSG_RESULT(yes)
2082                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2083         ], [
2084                 AC_MSG_RESULT(no)
2085         ])
2086         dnl **********************************
2087         dnl *** Check for if_nametoindex   ***
2088         dnl **********************************
2089         AC_MSG_CHECKING(for if_nametoindex)
2090                 AC_TRY_LINK([
2091                 #include <stdio.h>
2092                 #include <sys/types.h>
2093                 #include <sys/socket.h>
2094                 #include <net/if.h>
2095         ], [
2096                 if_nametoindex(NULL);
2097         ], [
2098                 # Yes, we have it...
2099                 AC_MSG_RESULT(yes)
2100                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2101         ], [
2102                 AC_MSG_RESULT(no)
2103         ])
2104                         
2105         dnl **********************************
2106         dnl *** Checks for MonoPosixHelper ***
2107         dnl **********************************
2108         AC_CHECK_HEADERS(checklist.h)
2109         AC_CHECK_HEADERS(pathconf.h)
2110         AC_CHECK_HEADERS(fstab.h)
2111         AC_CHECK_HEADERS(attr/xattr.h)
2112         AC_CHECK_HEADERS(sys/extattr.h)
2113         AC_CHECK_HEADERS(sys/sendfile.h)
2114         AC_CHECK_HEADERS(sys/statvfs.h)
2115         AC_CHECK_HEADERS(sys/statfs.h)
2116         AC_CHECK_HEADERS(sys/vfstab.h)
2117         AC_CHECK_HEADERS(sys/xattr.h)
2118         AC_CHECK_HEADERS(sys/mman.h)
2119         AC_CHECK_HEADERS(sys/param.h)
2120         AC_CHECK_HEADERS(sys/mount.h, [], [],
2121                 [
2122                 #ifdef HAVE_SYS_PARAM_H
2123                 # include <sys/param.h>
2124                 #endif
2125                 ])
2126         AC_CHECK_HEADERS(sys/mount.h)
2127         AC_CHECK_FUNCS(confstr)
2128         AC_CHECK_FUNCS(seekdir telldir)
2129         AC_CHECK_FUNCS(getdomainname)
2130         AC_CHECK_FUNCS(setdomainname)
2131         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2132         AC_CHECK_FUNCS(setgroups)
2133         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2134         AC_CHECK_FUNCS(getfsstat)
2135         AC_CHECK_FUNCS(lutimes futimes)
2136         AC_CHECK_FUNCS(mremap)
2137         AC_CHECK_FUNCS(remap_file_pages)
2138         AC_CHECK_FUNCS(posix_fadvise)
2139         AC_CHECK_FUNCS(posix_fallocate)
2140         AC_CHECK_FUNCS(posix_madvise)
2141         AC_CHECK_FUNCS(vsnprintf)
2142         AC_CHECK_FUNCS(sendfile)
2143         AC_CHECK_FUNCS(gethostid sethostid)
2144         AC_CHECK_FUNCS(sethostname)
2145         AC_CHECK_FUNCS(statfs)
2146         AC_CHECK_FUNCS(fstatfs)
2147         AC_CHECK_FUNCS(statvfs)
2148         AC_CHECK_FUNCS(fstatvfs)
2149         AC_CHECK_FUNCS(stime)
2150         AC_CHECK_FUNCS(strerror_r)
2151         AC_CHECK_FUNCS(ttyname_r)
2152         AC_CHECK_FUNCS(psignal)
2153         AC_CHECK_FUNCS(getlogin_r)
2154         AC_CHECK_FUNCS(lockf)
2155         AC_CHECK_FUNCS(swab)
2156         AC_CHECK_FUNCS(setusershell endusershell)
2157         AC_CHECK_FUNCS(futimens utimensat)
2158         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2159         AC_CHECK_FUNCS(readv writev preadv pwritev)
2160         AC_CHECK_FUNCS(setpgid)
2161         AC_CHECK_SIZEOF(size_t)
2162         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2163                 [#include <sys/types.h>
2164                  #include <sys/stat.h>
2165                  #include <unistd.h>])
2166         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2167                 [#include <sys/types.h>
2168                  #include <sys/stat.h>
2169                  #include <unistd.h>])
2170         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2171                 [#include <sys/time.h>])
2172         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2173                 [#include <unistd.h>
2174                  #include <fcntl.h>])
2175         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2176                 [#include <sys/uio.h>])
2177         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2178                 [#include <sys/poll.h>])
2179         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2180                 [#include <sys/types.h>
2181                  #include <sys/stat.h>
2182                  #include <unistd.h>])
2183         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2184                 [#include <time.h>])
2185         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2186                 [#include <sys/time.h>
2187                  #include <sys/types.h>
2188                  #include <utime.h>])
2189         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2190                 [#include <sys/time.h>])
2191         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2192                 [#include <sys/types.h>
2193                  #include <utime.h>])
2194         AC_CHECK_MEMBERS(
2195                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2196                 [#include <sys/types.h>
2197                  #include <dirent.h>])
2198         AC_CHECK_MEMBERS(
2199                 [struct passwd.pw_gecos],,, 
2200                 [#include <sys/types.h>
2201                  #include <pwd.h>])
2202         AC_CHECK_MEMBERS(
2203                 [struct statfs.f_flags],,, 
2204                 [#include <sys/types.h>
2205                  #include <sys/vfs.h>])
2206         AC_CHECK_MEMBERS(
2207                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2208                 [#include <sys/types.h>
2209                  #include <sys/stat.h>
2210                  #include <unistd.h>])
2211
2212         dnl Favour xattr through glibc, but use libattr if we have to
2213         AC_CHECK_FUNC(lsetxattr, ,
2214                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2215         )
2216         AC_SUBST(XATTR_LIB)
2217
2218         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2219         AC_CHECK_MEMBERS(
2220                 [struct kinfo_proc.kp_proc],,, 
2221                 [#include <sys/types.h>
2222                  #include <sys/param.h>
2223                  #include <sys/sysctl.h>
2224                  #include <sys/proc.h>
2225                  ])
2226
2227         dnl *********************************
2228         dnl *** Checks for Windows compilation ***
2229         dnl *********************************
2230         AC_CHECK_HEADERS(sys/time.h)
2231         AC_CHECK_HEADERS(sys/param.h)
2232         AC_CHECK_HEADERS(dirent.h)
2233
2234         dnl ******************************************
2235         dnl *** Checks for OSX and iOS compilation ***
2236         dnl ******************************************
2237         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2238
2239         dnl *********************************
2240         dnl *** Check for Console 2.0 I/O ***
2241         dnl *********************************
2242         AC_CHECK_HEADERS([curses.h])
2243         AC_CHECK_HEADERS([term.h], [], [],
2244         [#if HAVE_CURSES_H
2245          #include <curses.h>
2246          #endif
2247         ])
2248         AC_CHECK_HEADERS([termios.h])
2249
2250         dnl * This is provided in io-layer, but on windows it's only available
2251         dnl * on xp+
2252         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2253 else
2254         dnl *********************************
2255         dnl *** Checks for Windows compilation ***
2256         dnl *********************************
2257         AC_CHECK_HEADERS(winternl.h)
2258
2259         jdk_headers_found=no
2260         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2261         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2262         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2263         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2264         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2265         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2266         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2267
2268         dnl *********************************
2269         dnl *** Check for struct ip_mreqn ***
2270         dnl *********************************
2271         AC_MSG_CHECKING(for struct ip_mreqn)
2272         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2273                 struct ip_mreqn mreq;
2274                 mreq.imr_address.s_addr = 0;
2275         ], [
2276                 # Yes, we have it...
2277                 AC_MSG_RESULT(yes)
2278                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2279         ], [
2280                 # We'll just have to try and use struct ip_mreq
2281                 AC_MSG_RESULT(no)
2282                 AC_MSG_CHECKING(for struct ip_mreq)
2283                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2284                         struct ip_mreq mreq;
2285                         mreq.imr_interface.s_addr = 0;
2286                 ], [
2287                         # Yes, we have it...
2288                         AC_MSG_RESULT(yes)
2289                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2290                 ], [
2291                         # No multicast support
2292                         AC_MSG_RESULT(no)
2293                 ])
2294         ])
2295
2296         dnl **********************************
2297         dnl *** Check for getaddrinfo ***
2298         dnl **********************************
2299         AC_MSG_CHECKING(for getaddrinfo)
2300                 AC_TRY_LINK([
2301                 #include <stdio.h>
2302                 #include <winsock2.h>
2303                 #include <ws2tcpip.h>
2304         ], [
2305                 getaddrinfo(NULL,NULL,NULL,NULL);
2306         ], [
2307                 # Yes, we have it...
2308                 AC_MSG_RESULT(yes)
2309                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2310         ], [
2311                 AC_MSG_RESULT(no)
2312         ])
2313
2314         dnl **********************************
2315         dnl *** Check for gethostbyname ***
2316         dnl **********************************
2317         AC_MSG_CHECKING(for gethostbyname)
2318                 AC_TRY_LINK([
2319                 #include <stdio.h>
2320                 #include <winsock2.h>
2321                 #include <ws2tcpip.h>
2322         ], [
2323                 gethostbyname(NULL);
2324         ], [
2325                 # Yes, we have it...
2326                 AC_MSG_RESULT(yes)
2327                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2328         ], [
2329                 AC_MSG_RESULT(no)
2330         ])
2331
2332         dnl **********************************
2333         dnl *** Check for getprotobyname ***
2334         dnl **********************************
2335         AC_MSG_CHECKING(for getprotobyname)
2336                 AC_TRY_LINK([
2337                 #include <stdio.h>
2338                 #include <winsock2.h>
2339                 #include <ws2tcpip.h>
2340         ], [
2341                 getprotobyname(NULL);
2342         ], [
2343                 # Yes, we have it...
2344                 AC_MSG_RESULT(yes)
2345                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2346         ], [
2347                 AC_MSG_RESULT(no)
2348         ])
2349
2350         dnl **********************************
2351         dnl *** Check for getnameinfo ***
2352         dnl **********************************
2353         AC_MSG_CHECKING(for getnameinfo)
2354                 AC_TRY_LINK([
2355                 #include <stdio.h>
2356                 #include <winsock2.h>
2357                 #include <ws2tcpip.h>
2358         ], [
2359                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2360         ], [
2361                 # Yes, we have it...
2362                 AC_MSG_RESULT(yes)
2363                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2364         ], [
2365                 AC_MSG_RESULT(no)
2366         ])
2367
2368         dnl **********************************
2369         dnl *** Check for inet_ntop ***
2370         dnl **********************************
2371         AC_MSG_CHECKING(for inet_ntop)
2372                 AC_TRY_LINK([
2373                 #include <stdio.h>
2374                 #include <winsock2.h>
2375                 #include <ws2tcpip.h>
2376         ], [
2377                 inet_ntop (0, NULL, NULL, 0);
2378         ], [
2379                 # Yes, we have it...
2380                 AC_MSG_RESULT(yes)
2381                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2382         ], [
2383                 AC_MSG_RESULT(no)
2384         ])
2385
2386         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2387         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2388         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2389         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2390         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2391         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2392         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2393
2394         AC_MSG_CHECKING(for GetProcessId)
2395         AC_TRY_COMPILE([#include <windows.h>], [
2396                 GetProcessId (0);
2397         ], [
2398            AC_MSG_RESULT(yes)
2399            AC_DEFINE(HAVE_GETPROCESSID)
2400         ], [
2401            AC_MSG_RESULT(no)
2402         ])
2403 fi
2404
2405 dnl socklen_t check
2406 AC_MSG_CHECKING(for socklen_t)
2407 AC_TRY_COMPILE([
2408 #include <sys/types.h>
2409 #include <sys/socket.h>
2410 ],[
2411   socklen_t foo;
2412 ],[
2413 ac_cv_c_socklen_t=yes
2414         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2415         AC_MSG_RESULT(yes)
2416 ],[
2417         AC_MSG_RESULT(no)
2418 ])
2419
2420 AC_MSG_CHECKING(for array element initializer support)
2421 AC_TRY_COMPILE([#include <sys/socket.h>], [
2422         const int array[] = {[1] = 2,};
2423 ], [
2424         # Yes, we have it...
2425         AC_MSG_RESULT(yes)
2426         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2427 ], [
2428         # We'll have to use signals
2429         AC_MSG_RESULT(no)
2430 ])
2431
2432 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2433         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2434         AC_TRY_LINK([#include <math.h>], 
2435         [ static void *p = &trunc; ],
2436         [
2437                 AC_DEFINE(HAVE_TRUNC) 
2438                 AC_MSG_RESULT(yes)
2439                 ac_cv_trunc=yes
2440         ],
2441         AC_MSG_RESULT(no)))
2442
2443 if test "x$ac_cv_truncl" != "xyes"; then
2444    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2445 fi
2446
2447 AC_CHECK_FUNCS(round)
2448 AC_CHECK_FUNCS(rint)
2449 AC_CHECK_FUNCS(execvp)
2450
2451 dnl ****************************
2452 dnl *** Look for /dev/random ***
2453 dnl ****************************
2454
2455 AC_MSG_CHECKING([if usage of random device is requested])
2456 AC_ARG_ENABLE(dev-random,
2457 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2458 try_dev_random=$enableval, try_dev_random=yes)
2459
2460 AC_MSG_RESULT($try_dev_random)
2461
2462 case "{$build}" in
2463     *-openbsd*)
2464     NAME_DEV_RANDOM="/dev/srandom"
2465     ;;
2466
2467 dnl Win32 does not have /dev/random, they have their own method...
2468
2469     *-mingw*|*-*-cygwin*)
2470     ac_cv_have_dev_random=no
2471     ;;
2472
2473 dnl Everywhere else, it's /dev/random
2474
2475     *)
2476     NAME_DEV_RANDOM="/dev/random"
2477     ;;
2478 esac
2479
2480 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2481
2482 dnl Now check if the device actually exists
2483
2484 if test "x$try_dev_random" = "xyes"; then
2485     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2486     [if test -r "$NAME_DEV_RANDOM" ; then
2487         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2488     if test "x$ac_cv_have_dev_random" = "xyes"; then
2489         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2490     fi
2491 else
2492     AC_MSG_CHECKING(for random device)
2493     ac_cv_have_dev_random=no
2494     AC_MSG_RESULT(has been disabled)
2495 fi
2496
2497 if test "x$host_win32" = "xyes"; then
2498     AC_DEFINE(HAVE_CRYPT_RNG)
2499 fi
2500
2501 if test "x$ac_cv_have_dev_random" = "xno" \
2502     && test "x$host_win32" = "xno"; then
2503     AC_MSG_WARN([[
2504 ***
2505 *** A system-provided entropy source was not found on this system.
2506 *** Because of this, the System.Security.Cryptography random number generator
2507 *** will throw a NotImplemented exception.
2508 ***
2509 *** If you are seeing this message, and you know your system DOES have an
2510 *** entropy collection in place, please contact <crichton@gimp.org> and
2511 *** provide information about the system and how to access the random device.
2512 ***
2513 *** Otherwise you can install either egd or prngd and set the environment
2514 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2515 ***]])
2516 fi
2517  
2518 AC_MSG_CHECKING([if inter-process shared handles are requested])
2519 # Same as --enable-minimal=shared_handles
2520 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2521 AC_MSG_RESULT($try_shared_handles)
2522 if test "x$try_shared_handles" != "xyes"; then
2523         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2524         AC_SUBST(DISABLE_SHARED_HANDLES)
2525 fi
2526
2527 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2528
2529 AC_MSG_CHECKING([if big-arrays are to be enabled])
2530 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2531 if test "x$enable_big_arrays" = "xyes" ; then
2532     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2533         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2534     else
2535         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2536     fi
2537 fi
2538 AC_MSG_RESULT($enable_big_arrays)
2539
2540 dnl **************
2541 dnl *** DTRACE ***
2542 dnl **************
2543
2544 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2545
2546 if test "x$enable_dtrace" = "xyes"; then
2547    if test "x$has_dtrace" = "xno"; then
2548           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2549    fi
2550    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2551    if test "x$DTRACE" = "xno"; then
2552           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2553           enable_dtrace=no
2554    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2555           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2556           enable_dtrace=no
2557    fi
2558 fi
2559
2560 dtrace_g=no
2561 if test "x$enable_dtrace" = "xyes"; then
2562         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2563         DTRACEFLAGS=
2564         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2565                 case "$host" in
2566                         powerpc-*-darwin*)
2567                         DTRACEFLAGS="-arch ppc64"
2568                         ;;
2569                         i*86-*-darwin*)
2570                         DTRACEFLAGS="-arch x86_64"
2571                         ;;
2572                         *)
2573                         DTRACEFLAGS=-64
2574                         ;;
2575                 esac
2576         else
2577                 case "$host" in
2578                         powerpc-*-darwin*)
2579                         DTRACEFLAGS="-arch ppc"
2580                         ;;
2581                         i*86-*-darwin*)
2582                         DTRACEFLAGS="-arch i386"
2583                         ;;
2584                         *)
2585                         DTRACEFLAGS=-32
2586                         ;;
2587                 esac
2588         fi
2589         AC_SUBST(DTRACEFLAGS)
2590         case "$host" in
2591                 *-*-solaris*)
2592                 dtrace_g=yes
2593                 ;;
2594         esac
2595         AC_CHECK_HEADERS([sys/sdt.h])
2596 fi
2597 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2598 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2599
2600 dnl **************
2601 dnl ***  NaCl  ***
2602 dnl **************
2603
2604 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2605 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2606
2607 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2608
2609 dnl
2610 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2611 dnl
2612 nacl_self_host=""
2613 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2614    nacl_self_host="nacl_self_host"
2615 fi
2616 AC_SUBST(nacl_self_host)
2617
2618 if test "x$enable_nacl_codegen" = "xyes"; then
2619    MONO_NACL_ALIGN_MASK_OFF=1
2620    AC_DEFINE(TARGET_NACL, 1, [...])
2621    AC_DEFINE(__native_client_codegen__, 1, [...])
2622 else
2623    MONO_NACL_ALIGN_MASK_OFF=0
2624    AC_DEFINE(__default_codegen__, 1, [...])
2625 fi
2626 if test "x$enable_nacl_gc" = "xyes"; then
2627    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2628       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2629    else
2630       # Not yet implemented
2631       INSTRUMENT_CFLAG=""
2632    fi
2633    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2634 fi
2635 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2636
2637 dnl **************
2638 dnl ***  LLVM  ***
2639 dnl **************
2640
2641 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2642 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2643 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2644
2645 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2646
2647 if test "x$enable_llvm" = "xyes"; then
2648    if test "x$with_llvm" != "x"; then
2649           LLVM_CONFIG=$with_llvm/bin/llvm-config
2650           if test x$target_win32 = xyes; then
2651                 LLVM_CONFIG=$LLVM_CONFIG.exe
2652           fi
2653           if test ! -x $LLVM_CONFIG; then
2654                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2655       fi
2656    else
2657       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2658       if test "x$LLVM_CONFIG" = "xno"; then
2659              AC_MSG_ERROR([llvm-config not found.])
2660       fi
2661    fi
2662
2663    llvm_codegen="x86codegen"
2664    case "$target" in
2665    arm*)
2666                 llvm_codegen="armcodegen"
2667                 ;;
2668    esac
2669
2670    if test "x$target_win32" = "xno"; then
2671
2672    # The output of --cflags seems to include optimizations flags too
2673    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2674    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2675    # from LLVM classes.
2676    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2677    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2678    # This might include empty lines
2679    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2680    if test "x$host" != "x$target"; then
2681       # No need for jit libs
2682       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2683    else
2684       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2685    fi
2686    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS -lstdc++"
2687
2688    expected_llvm_version="3.4svn-mono-mono/e656cac"
2689
2690    # Should be something like '2.6' or '2.7svn'
2691    llvm_version=`$LLVM_CONFIG --version`
2692    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2693    AC_MSG_CHECKING(LLVM version)
2694    AC_MSG_RESULT($llvm_version)
2695    if echo $llvm_version | grep -q 'mono'; then
2696           if test "x$enable_llvm_version_check" == "xyes"; then
2697                  if test "$llvm_version" != "$expected_llvm_version"; then
2698                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2699                  fi
2700           fi
2701    else
2702           AC_MSG_ERROR([Compiling with stock LLVM is not supported, please use the Mono LLVM repo at https://github.com/mono/llvm, with the GIT branch which matches this version of mono, i.e. 'mono-2-10' for Mono 2.10.])
2703    fi
2704
2705    else
2706        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2707        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-exceptions -fno-rtti -Woverloaded-virtual -Wcast-qual"
2708        LLVM_LDFLAGS="-L$with_llvm/lib"
2709        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2710        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2711          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2712          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2713          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2714          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2715          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2716          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2717          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2718          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2719          -lLLVMSupport -lstdc++"
2720        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2721
2722        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2723        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2724    fi  
2725
2726    if test "x$llvm_api_version" = "x"; then
2727           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2728           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2729    else
2730           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2731           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2732    fi   
2733
2734    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2735
2736    AC_SUBST(LLVM_CFLAGS)
2737    AC_SUBST(LLVM_CXXFLAGS)
2738    AC_SUBST(LLVM_LIBS)
2739    AC_SUBST(LLVM_LDFLAGS)
2740    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2741 fi
2742
2743 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2744 if test "x$enable_loadedllvm" = "xyes"; then
2745    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2746 fi
2747 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2748
2749 TARGET="unknown"
2750 ACCESS_UNALIGNED="yes"
2751
2752 LIBC="libc.so.6"
2753 INTL="libc.so.6"
2754 SQLITE="libsqlite.so.0"
2755 SQLITE3="libsqlite3.so.0"
2756 X11="libX11.so"
2757 GDKX11="libgdk-x11-2.0.so.0"
2758 GTKX11="libgtk-x11-2.0.so.0"
2759 XINERAMA="libXinerama.so.1"
2760
2761 sizeof_register="SIZEOF_VOID_P"
2762
2763 jit_wanted=true
2764 sgen_supported=false
2765 boehm_supported=true
2766 case "$host" in
2767         mips*)
2768                 TARGET=MIPS;
2769                 arch_target=mips;
2770                 sgen_supported=true
2771                 ACCESS_UNALIGNED="no"
2772
2773                 AC_MSG_CHECKING(for mips n32)
2774                 AC_TRY_COMPILE([],[
2775                 #if _MIPS_SIM != _ABIN32
2776                 #error Not mips n32
2777                 #endif
2778                 return 0;
2779                 ],[
2780                 AC_MSG_RESULT(yes)
2781                 sizeof_register=8
2782                 ],[
2783                 AC_MSG_RESULT(no)
2784                 ])
2785                 ;;
2786         i*86-*-*)
2787                 TARGET=X86;
2788                 arch_target=x86;
2789                 case $host_os in
2790                   solaris*)
2791                         LIBC="libc.so"
2792                         INTL="libintl.so"
2793                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2794                                 TARGET=AMD64
2795                                 arch_target=amd64
2796                         fi
2797
2798                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2799                         # int astruct __attribute__ ((visibility ("hidden")));
2800                         # void foo ()
2801                         # {
2802                         #       void *p = &astruct;
2803                         # }
2804                         # gcc -fPIC --shared -o libfoo.so foo.c
2805                         # yields:
2806                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2807                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2808                         have_visibility_hidden=no
2809                         sgen_supported=true
2810                         ;;
2811                   mingw*|cygwin*)
2812                         sgen_supported=true
2813                         have_visibility_hidden=no                 
2814                         ;;
2815                   haiku*)
2816                         LIBC=libroot.so
2817                         ;;
2818                   linux*)
2819                         sgen_supported=true
2820                         AOT_SUPPORTED="yes"
2821                         ;;
2822                   darwin*)
2823                         sgen_supported=true
2824                         AOT_SUPPORTED="yes"
2825                         ;;
2826                   openbsd*|freebsd*|kfreebsd-gnu*)
2827                         sgen_supported=true
2828                         ;;
2829                 esac
2830                 ;;
2831         x86_64-*-* | amd64-*-*)
2832                 TARGET=AMD64;
2833                 arch_target=amd64;
2834                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2835                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2836                         sizeof_register=8
2837                 fi
2838                 case $host_os in
2839                   linux*)
2840                         sgen_supported=true
2841                         AOT_SUPPORTED="yes"
2842                         ;;
2843                   darwin*)
2844                         sgen_supported=true
2845                         AOT_SUPPORTED="yes"
2846                         ;;
2847                   openbsd*|freebsd*|kfreebsd-gnu*)
2848                         sgen_supported=true
2849                         ;;
2850                   mingw*)
2851                         sgen_supported=true
2852                         ;;
2853                 esac
2854                 case "$host" in
2855                         x86_64-*-nacl*)
2856                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2857                                 sizeof_register=8
2858                                 ;;
2859                 esac
2860                 ;;
2861         ia64-*-*)
2862                 TARGET=IA64
2863                 arch_target=ia64
2864                 ACCESS_UNALIGNED="no"
2865                 LIBC="libc.so.6.1"
2866                 INTL="libc.so.6.1"
2867                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2868                 libmono_ldflags="-lunwind"
2869                 ;;
2870         sparc*-*-*)
2871                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2872                    TARGET=SPARC64
2873                 else
2874                         TARGET=SPARC
2875                 fi
2876                 arch_target=sparc;
2877                 ACCESS_UNALIGNED="no"
2878                 case $host_os in
2879                   linux*) ;;
2880                   *)
2881                         LIBC="libc.so"
2882                         INTL="libintl.so"
2883                 esac
2884                 if test x"$GCC" = xyes; then
2885                         # We don't support v8 cpus
2886                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2887                 fi
2888                 if test x"$AR" = xfalse; then
2889                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2890                 fi
2891                 sgen_supported=true
2892                 ;;
2893         *-mingw*|*-*-cygwin*)
2894                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2895                 have_visibility_hidden=no
2896                 INTL="intl"
2897                 ;;
2898         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2899         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2900                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2901                         TARGET=POWERPC64;
2902                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2903                         CFLAGS="$CFLAGS -mminimal-toc"
2904                 else
2905                         TARGET=POWERPC;
2906                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2907                 fi
2908                 arch_target=ppc;
2909                 case $host_os in
2910                   linux*|darwin*)
2911                         sgen_supported=true
2912                         ;;
2913                 esac
2914                 ;;
2915         arm*-darwin*)
2916                 TARGET=ARM;
2917                 arch_target=arm;
2918                 ACCESS_UNALIGNED="no"
2919                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2920                 sgen_supported=true
2921                 ;;
2922         arm*-linux*)
2923                 TARGET=ARM;
2924                 arch_target=arm;
2925                 ACCESS_UNALIGNED="no"
2926                 sgen_supported=true
2927                 AOT_SUPPORTED="yes"
2928                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2929                 ;;
2930 # TODO: make proper support for NaCl host.
2931 #        arm*-*nacl)
2932 #               TARGET=ARM;
2933 #               arch_target=arm;
2934 #               ACCESS_UNALIGNED="no"
2935 #               sgen_supported=true
2936 #               AOT_SUPPORTED="no"
2937 #               ;;
2938         aarch64-*)
2939                 # https://lkml.org/lkml/2012/7/15/133
2940                 TARGET=ARM64
2941                 arch_target=arm64
2942                 sgen_supported=true
2943                 boehm_supported=false
2944                 ;;
2945         s390x-*-linux*)
2946                 TARGET=S390X;
2947                 arch_target=s390x;
2948                 ACCESS_UNALIGNED="yes"
2949                 sgen_supported=true
2950                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2951                 ;;
2952 esac
2953
2954 HOST=$TARGET
2955
2956 if test "x$host" != "x$target"; then
2957    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2958    enable_mcs_build=no
2959    case "$target" in
2960    arm*-darwin*)
2961                 TARGET=ARM;
2962                 arch_target=arm;
2963                 ACCESS_UNALIGNED="no"
2964                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2965                 # Can't use tls, since it depends on the runtime detection of tls offsets
2966                 # in mono-compiler.h
2967                 with_tls=pthread
2968                 ;;
2969    powerpc64-ps3-linux-gnu)
2970                 TARGET=POWERPC64
2971                 arch_target=powerpc64
2972                 AC_DEFINE(TARGET_PS3, 1, [...])
2973                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2974                 # uses this define
2975                 AC_DEFINE(__mono_ppc64__, 1, [...])
2976                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2977                 sizeof_register=8
2978                 target_byte_order=G_BIG_ENDIAN
2979                 ;;
2980    powerpc64-xbox360-linux-gnu)
2981                 TARGET=POWERPC64
2982                 arch_target=powerpc64
2983                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2984                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2985                 # uses this define
2986                 sizeof_register=8
2987                 target_byte_order=G_BIG_ENDIAN
2988                 ;;
2989    x86_64-*-nacl)
2990                 TARGET=AMD64
2991                 arch_target=amd64
2992                 AC_DEFINE(TARGET_AMD64, 1, [...])
2993                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2994                 sizeof_register=8
2995                 ;;
2996 # TODO: make proper support for NaCl target.
2997 #   arm*-*nacl)
2998 #               TARGET=ARM
2999 #               arch_target=arm
3000 #               AC_DEFINE(TARGET_ARM, 1, [...])
3001 #               ACCESS_UNALIGNED="no"
3002 #               sizeof_register=4
3003 #               CPPFLAGS="$CPPFLAGS \
3004 #                    -D__ARM_EABI__ \
3005 #                    -D__arm__ \
3006 #                    -D__portable_native_client__ \
3007 #                    -Dtimezone=_timezone \
3008 #                    -DDISABLE_SOCKETS \
3009 #                    -DDISABLE_ATTACH \
3010 #                    -DUSE_NEWLIB"
3011                 # Can't use tls, since it depends on the runtime detection of tls offsets
3012                 # in mono-compiler.h
3013 #               with_tls=pthread
3014 #               ;;
3015    i686-*-nacl)
3016                 TARGET=X86
3017                 arch_target=x86
3018                 AC_DEFINE(TARGET_X86, 1, [...])
3019                 sizeof_register=4
3020                 ;;
3021    arm*-linux-*)
3022                 TARGET=ARM;
3023                 arch_target=arm;
3024                 AC_DEFINE(TARGET_ARM, 1, [...])
3025                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3026                 ACCESS_UNALIGNED="no"
3027                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3028                 # Can't use tls, since it depends on the runtime detection of tls offsets
3029                 # in mono-compiler.h
3030                 with_tls=pthread
3031                 target_mach=no
3032                 case "$target" in
3033                 armv7l-unknown-linux-gnueabi*)
3034                         # TEGRA
3035                         CPPFLAGS="$CPPFLAGS"
3036                         ;;
3037                 armv5-*-linux-androideabi*)
3038                         CPPFLAGS="$CPPFLAGS"
3039                         ;;
3040                 esac
3041                 ;;
3042    i686*-linux-*)
3043                 TARGET=X86;
3044                 arch_target=x86;
3045                 AC_DEFINE(TARGET_X86, 1, [...])
3046                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3047                 CPPFLAGS="$CPPFLAGS"
3048                 sgen_supported=true
3049                 # Can't use tls, since it depends on the runtime detection of tls offsets
3050                 # in mono-compiler.h            
3051                 with_tls=pthread
3052                 target_mach=no
3053                 ;;
3054    x86_64*-linux-*)
3055                 TARGET=AMD64;
3056                 arch_target=amd64;
3057                 AC_DEFINE(TARGET_AMD64, 1, [...])
3058                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3059                 CPPFLAGS="$CPPFLAGS"
3060                 sgen_supported=true
3061                 # Can't use tls, since it depends on the runtime detection of tls offsets
3062                 # in mono-compiler.h
3063                 with_tls=pthread
3064                 target_mach=no
3065                 ;;
3066    aarch64*-linux-*)
3067                 TARGET=ARM64;
3068                 arch_target=arm64;
3069                 AC_DEFINE(TARGET_ARM64, 1, [...])
3070                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3071                 CPPFLAGS="$CPPFLAGS"
3072                 # Can't use tls, since it depends on the runtime detection of tls offsets
3073                 # in mono-compiler.h
3074                 with_tls=pthread
3075                 target_mach=no
3076                 ;;
3077         aarch64-*)
3078                 TARGET=ARM64
3079                 ;;
3080         *)
3081                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3082         esac
3083 fi
3084
3085 case "$TARGET" in
3086 X86)
3087         AC_DEFINE(TARGET_X86, 1, [...])
3088         ;;
3089 AMD64)
3090         AC_DEFINE(TARGET_AMD64, 1, [...])
3091         ;;
3092 ARM)
3093         AC_DEFINE(TARGET_ARM, 1, [...])
3094         ;;
3095 ARM64)
3096         AC_DEFINE(TARGET_ARM64, 1, [...])
3097         ;;
3098 POWERPC)
3099         AC_DEFINE(TARGET_POWERPC, 1, [...])
3100         ;;
3101 POWERPC64)
3102         AC_DEFINE(TARGET_POWERPC, 1, [...])
3103         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3104         ;;
3105 S390X)
3106         AC_DEFINE(TARGET_S390X, 1, [...])
3107         ;;
3108 MIPS)
3109         AC_DEFINE(TARGET_MIPS, 1, [...])
3110         ;;
3111 IA64)
3112         AC_DEFINE(TARGET_IA64, 1, [...])
3113         ;;
3114 SPARC)
3115         AC_DEFINE(TARGET_SPARC, 1, [...])
3116         ;;
3117 SPARC64)
3118         AC_DEFINE(TARGET_SPARC64, 1, [...])
3119         ;;
3120 esac
3121
3122 dnl *************
3123 dnl *** VTUNE ***
3124 dnl *************
3125
3126 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3127 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3128
3129 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3130
3131 if test "x$enable_vtune" = "xyes"; then
3132         if test "x$with_vtune" = "x"; then
3133                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3134         else
3135                 VTUNE_PATH=$with_vtune
3136         fi
3137         VTUNE_INCLUDE=$VTUNE_PATH/include
3138         case "$TARGET" in
3139         X86)
3140                 VTUNE_LIB=$VTUNE_PATH/lib32
3141                 ;;
3142         AMD64)
3143                 VTUNE_LIB=$VTUNE_PATH/lib64
3144                 ;;
3145         *)
3146                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3147                 ;;
3148         esac
3149         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3150                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3151         fi
3152         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3153                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3154         fi
3155
3156         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3157         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3158
3159         AC_SUBST(VTUNE_LIBS)
3160         AC_SUBST(VTUNE_CFLAGS)
3161 fi
3162 dnl Use GCC atomic ops if they work on the target.
3163 if test x$GCC = "xyes"; then
3164         case $TARGET in
3165         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3166                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3167                 ;;
3168         esac
3169 fi
3170
3171 if test "x$target_mach" = "xyes"; then
3172    if test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3173           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3174           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3175           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3176    else
3177        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3178        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3179        #error fail this for ios
3180        #endif
3181        return 0;
3182        ], [
3183                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3184           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3185           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3186        ], [
3187           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3188           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3189           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3190        ])
3191         fi
3192    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3193 fi
3194
3195 if test "x$sizeof_register" = "x4"; then
3196    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3197 elif test "x$sizeof_register" = "x8"; then
3198    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3199 else
3200    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3201 fi
3202
3203 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3204    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3205 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3206    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3207 else
3208    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3209 fi
3210
3211 if test "x$have_visibility_hidden" = "xyes"; then
3212    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3213 fi
3214
3215 if test "x$have_deprecated" = "xyes"; then
3216    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3217 fi
3218
3219 dnl 
3220 dnl Simple Generational checks (sgen)
3221 dnl
3222 if $sgen_supported; then
3223    build_sgen_default=yes
3224 else
3225    build_sgen_default=no
3226 fi
3227 SGEN_DEFINES=
3228 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
3229 if test x$buildsgen = xyes; then
3230    if $sgen_supported; then
3231        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
3232        gc_msg="sgen and $gc_msg"
3233    else
3234        buildsgen=no
3235        AC_MSG_WARN("Sgen is not supported on this platform")
3236    fi
3237 fi
3238 AC_SUBST(SGEN_DEFINES)
3239 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3240
3241 jit_status="Building and using the JIT"
3242
3243 libsuffix=".so"
3244
3245 case "$host" in
3246      *-*-darwin*)
3247         libsuffix=".dylib"
3248         LIBC="libc.dylib"
3249         INTL="libintl.dylib"
3250         SQLITE="libsqlite.0.dylib"
3251         SQLITE3="libsqlite3.0.dylib"
3252         X11="libX11.dylib"
3253         GDKX11="libgdk-x11-2.0.dylib"
3254         GTKX11="libgtk-x11-2.0.dylib"
3255         ;;
3256      *-*-*netbsd*)
3257         LIBC="libc.so.12"
3258         INTL="libintl.so.0"
3259         ;;
3260      *-*-kfreebsd*-gnu)
3261         LIBC="libc.so.0.1"
3262         INTL="libc.so.0.1"
3263         X11="libX11.so.6"
3264         ;;
3265     *-*-*freebsd*)
3266         LIBC="libc.so"
3267         INTL="libintl.so"
3268         SQLITE="libsqlite.so"
3269         SQLITE3="libsqlite3.so"
3270         ;;
3271     *-*-*openbsd*)
3272         LIBC="libc.so"
3273         INTL="libintl.so"
3274         SQLITE="libsqlite.so"
3275         SQLITE3="libsqlite3.so"
3276         ;;
3277     *-*-*linux*)
3278         AC_PATH_X
3279         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3280         AC_MSG_CHECKING(for the soname of libX11.so)
3281         for i in $x_libraries $dlsearch_path; do
3282                 for r in 4 5 6; do
3283                         if test -f $i/libX11.so.$r; then
3284                                 X11=libX11.so.$r
3285                                 AC_MSG_RESULT($X11)
3286                         fi
3287                 done
3288         done
3289         
3290         if test "x$X11" = "xlibX11.so"; then
3291                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3292                 X11=libX11.so.6
3293         fi
3294         ;;
3295 esac
3296
3297
3298 AC_SUBST(libsuffix)
3299
3300 AC_ARG_WITH([libgdiplus],
3301         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3302         [], [with_libgdiplus=installed])
3303
3304 # default install location
3305 libgdiplus_install_loc=libgdiplus${libsuffix}
3306 case $with_libgdiplus in
3307     no|installed)
3308     libgdiplus_loc=
3309     ;;
3310
3311     yes|sibling)
3312     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3313     ;;
3314
3315     /*) # absolute path, assume it is an install location
3316     libgdiplus_loc=$with_libgdiplus
3317     libgdiplus_install_loc=$with_libgdiplus
3318     ;;
3319
3320     *)
3321     libgdiplus_loc=`pwd`/$with_libgdiplus
3322     ;;
3323 esac
3324 AC_SUBST([libgdiplus_loc])
3325 AC_SUBST([libgdiplus_install_loc])
3326
3327 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3328 if test "x$icall_symbol_map" = "xyes"; then
3329    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3330 fi
3331
3332 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3333 if test "x$icall_export" = "xyes"; then
3334    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3335 fi
3336
3337 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3338 if test "x$icall_tables" = "xno"; then
3339    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3340 fi
3341
3342 if test "x$with_tls" = "x__thread"; then
3343         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3344         # Pass the information to libgc
3345         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3346         AC_MSG_CHECKING(if the tls_model attribute is supported)
3347         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3348                 ], [
3349                         AC_MSG_RESULT(yes)
3350                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3351                 ], [
3352                         AC_MSG_RESULT(no)
3353         ])
3354 fi
3355
3356 if test ${TARGET} = ARM; then
3357         dnl ******************************************
3358         dnl *** Check to see what FPU is available ***
3359         dnl ******************************************
3360         AC_MSG_CHECKING(which FPU to use)
3361
3362         #
3363         # This is a bit tricky:
3364         #
3365         # if (__ARM_PCS_VFP) {
3366         #       /* mfloat-abi=hard == VFP with hard ABI */
3367         # } elif (!__SOFTFP__) {
3368         #       /* mfloat-abi=softfp == VFP with soft ABI */
3369         # } else {
3370         #       /* mfloat-abi=soft == no VFP */
3371         # }
3372         #
3373         # The exception is iOS (w/ GCC) where none of the above
3374         # are defined (but iOS always uses the 'softfp' ABI).
3375         #
3376         # No support for FPA.
3377         #
3378
3379         fpu=NONE
3380
3381         # iOS GCC always uses the 'softfp' ABI.
3382         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3383                 fpu=VFP
3384         fi
3385
3386         # Are we using the 'hard' ABI?
3387         if test x$fpu = xNONE; then
3388                 AC_TRY_COMPILE([], [
3389                         #ifndef __ARM_PCS_VFP
3390                         #error "Float ABI is not 'hard'"
3391                         #endif
3392                         return 0;
3393                 ], [
3394                         fpu=VFP_HARD
3395                 ], [
3396                         fpu=NONE
3397                 ])
3398         fi
3399
3400         # No 'hard' ABI. 'soft' or 'softfp'?
3401         if test x$fpu = xNONE; then
3402                 AC_TRY_COMPILE([], [
3403                         #ifdef __SOFTFP__
3404                         #error "Float ABI is not 'softfp'"
3405                         #endif
3406                         return 0;
3407                 ], [
3408                         fpu=VFP
3409                 ], [
3410                         fpu=NONE
3411                 ])
3412         fi
3413
3414         AC_MSG_RESULT($fpu)
3415         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3416         unset fpu
3417
3418         dnl *********************************************
3419         dnl *** Check which ARM version(s) we can use ***
3420         dnl *********************************************
3421         AC_MSG_CHECKING(which ARM version to use)
3422
3423         AC_TRY_COMPILE([], [
3424                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3425                 #error Not on ARM v5.
3426                 #endif
3427                 return 0;
3428         ], [
3429                 arm_v5=yes
3430
3431                 arm_ver=ARMv5
3432         ], [])
3433
3434         AC_TRY_COMPILE([], [
3435                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3436                 #error Not on ARM v6.
3437                 #endif
3438                 return 0;
3439         ], [
3440                 arm_v5=yes
3441                 arm_v6=yes
3442
3443                 arm_ver=ARMv6
3444         ], [])
3445
3446         AC_TRY_COMPILE([], [
3447                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3448                 #error Not on ARM v7.
3449                 #endif
3450                 return 0;
3451         ], [
3452                 arm_v5=yes
3453                 arm_v6=yes
3454                 arm_v7=yes
3455
3456                 arm_ver=ARMv7
3457         ], [])
3458
3459         AC_MSG_RESULT($arm_ver)
3460
3461         if test x$arm_v5 = xyes; then
3462                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3463                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3464         fi
3465
3466         if test x$arm_v6 = xyes; then
3467                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3468                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3469         fi
3470
3471         if test x$arm_v7 = xyes; then
3472                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3473                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3474         fi
3475 fi
3476
3477 if test ${TARGET} = ARM; then
3478         if test "x${with_jumptables}" = "xyes"; then
3479                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3480         fi
3481 fi
3482
3483 if test ${TARGET} = unknown; then
3484         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3485         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3486 fi
3487
3488 if test ${ACCESS_UNALIGNED} = no; then
3489         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3490 fi
3491
3492 case "x$libgc" in
3493         xincluded)
3494                 # Pass CPPFLAGS to libgc configure
3495                 # We should use a separate variable for this to avoid passing useless and
3496                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3497                 # This should be executed late so we pick up the final version of CPPFLAGS
3498                 # The problem with this approach, is that during a reconfigure, the main
3499                 # configure scripts gets invoked with these arguments, so we use separate
3500                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3501                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3502                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3503                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3504                 fi
3505                 # Don't pass -finstrument-for-thread-suspension in, 
3506                 # if these are instrumented it will be very bad news 
3507                 # (infinite recursion, undefined parking behavior, etc)
3508                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3509                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3510                 if test "x$support_boehm" = "xyes"; then
3511                         AC_CONFIG_SUBDIRS(libgc)
3512                 fi
3513                 ;;
3514 esac
3515
3516 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])
3517 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3518 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3519 AC_ARG_WITH(xammac,    [  --with-xammac=yes,no,only       If you want to build the Xamarin.Mac assemblies (defaults to no)],   [], [with_xammac=no])
3520
3521 OPROFILE=no
3522 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3523         if test x$with_oprofile != xno; then
3524             oprofile_include=$with_oprofile/include
3525             if test ! -f $oprofile_include/opagent.h; then
3526                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3527                 fi
3528             OPROFILE=yes
3529                 OPROFILE_CFLAGS="-I$oprofile_include"
3530             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3531             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3532         fi
3533 ])
3534
3535 MALLOC_MEMPOOLS=no
3536 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3537         if test x$with_malloc_mempools = xyes; then
3538                 MALLOC_MEMPOOLS=yes
3539                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3540         fi
3541 ])
3542
3543
3544 DISABLE_MCS_DOCS=no
3545 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3546         if test x$with_mcs_docs != xyes; then
3547                 DISABLE_MCS_DOCS=yes
3548         fi
3549 ])
3550 if test x$with_profile4_5 != xyes; then
3551         DISABLE_MCS_DOCS=yes
3552 fi
3553
3554 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)],[
3555         if test x$with_lazy_gc_thread_creation != xno ; then
3556                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3557         fi
3558 ], [with_lazy_gc_thread_creation=no])
3559
3560 AC_CHECK_HEADER([malloc.h], 
3561                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3562                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3563
3564 if test x"$GCC" = xyes; then
3565         # Implicit function declarations are not 64 bit safe
3566         # Do this late, since this causes lots of configure tests to fail
3567         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3568         # jay has a lot of implicit declarations
3569         JAY_CFLAGS="-Wno-implicit-function-declaration"
3570 fi
3571
3572 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3573 # instead of libmono-static.a
3574 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3575    LIBMONO_LA=libmini-static.la
3576 else
3577    if test x$buildsgen = xyes; then
3578       LIBMONO_LA=libmonosgen-$API_VER.la
3579    else
3580       LIBMONO_LA=libmonoboehm-$API_VER.la
3581    fi
3582 fi
3583 AC_SUBST(LIBMONO_LA)
3584
3585 dnl
3586 dnl Consistency settings
3587 dnl
3588 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3589    DISABLE_MCS_DOCS=yes
3590    with_profile4_5=no
3591    with_monodroid=no
3592    with_monotouch=no
3593    with_xammac=no
3594 fi
3595
3596 if test x$DISABLE_MCS_DOCS = xyes; then
3597    docs_dir=""
3598 else
3599    docs_dir=docs
3600 fi
3601 AC_SUBST(docs_dir)
3602
3603 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3604 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3605
3606 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3607 AC_SUBST(OPROFILE_CFLAGS)
3608 AC_SUBST(OPROFILE_LIBS)
3609
3610 libmono_ldflags="$libmono_ldflags $LIBS"
3611
3612 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3613 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3614 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3615 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3616 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3617 AM_CONDITIONAL(ONLY_XAMMAC, [test "x$with_xammac" = "xonly"])
3618
3619 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3620 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3621 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3622 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3623 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3624 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3625 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3626 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3627 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3628 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3629 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3630 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3631 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3632 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3633 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3634 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3635 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3636 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3637
3638 AM_CONDITIONAL(INCLUDED_LIBGC, test x$libgc = xincluded)
3639
3640 AC_SUBST(LIBC)
3641 AC_SUBST(INTL)
3642 AC_SUBST(SQLITE)
3643 AC_SUBST(SQLITE3)
3644 AC_SUBST(X11)
3645 AC_SUBST(GDKX11)
3646 AC_SUBST(GTKX11)
3647 AC_SUBST(XINERAMA)
3648 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3649 AC_SUBST(arch_target)
3650 AC_SUBST(CFLAGS)
3651 AC_SUBST(CPPFLAGS)
3652 AC_SUBST(LDFLAGS)
3653
3654 mono_build_root=`pwd`
3655 AC_SUBST(mono_build_root)
3656
3657 mono_runtime=mono/mini/mono
3658 AC_SUBST(mono_runtime)
3659
3660 mono_cfg_root=$mono_build_root/runtime
3661 if test x$host_win32 = xyes; then
3662   if test "x$cross_compiling" = "xno"; then
3663     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3664   else
3665     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3666   fi
3667 else
3668   mono_cfg_dir=$mono_cfg_root/etc
3669 fi
3670 AC_SUBST(mono_cfg_dir)
3671
3672 AC_CONFIG_FILES([po/mcs/Makefile.in])
3673
3674 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3675 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3676
3677 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3678 [   depth=../../../..
3679     case $srcdir in
3680     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3681     .) reldir=$depth ;;
3682     *) reldir=$depth/$srcdir ;;
3683     esac
3684     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3685     cd runtime/etc/mono/1.0
3686     rm -f machine.config
3687     $LN_S $reldir/data/net_1_1/machine.config machine.config
3688     cd $depth
3689 ],[LN_S='$LN_S'])
3690
3691 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3692 [   depth=../../../..
3693     case $srcdir in
3694     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3695     .) reldir=$depth ;;
3696     *) reldir=$depth/$srcdir ;;
3697     esac
3698     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3699     cd runtime/etc/mono/2.0
3700     rm -f machine.config
3701     $LN_S $reldir/data/net_2_0/machine.config machine.config
3702     cd $depth
3703 ],[LN_S='$LN_S'])
3704
3705 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3706 [   depth=../../../..
3707     case $srcdir in
3708     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3709     .) reldir=$depth ;;
3710     *) reldir=$depth/$srcdir ;;
3711     esac
3712     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3713     cd runtime/etc/mono/2.0
3714     rm -f web.config
3715     $LN_S $reldir/data/net_2_0/web.config web.config
3716     cd $depth
3717 ],[LN_S='$LN_S'])
3718
3719 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3720 [   depth=../../..
3721     case $srcdir in
3722     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3723     .) reldir=$depth ;;
3724     *) reldir=$depth/$srcdir ;;
3725     esac
3726     $ac_aux_dir/install-sh -d runtime/etc/mono/
3727     cd runtime/etc/mono/
3728     rm -f browscap.ini
3729     $LN_S $reldir/data/browscap.ini browscap.ini
3730     cd $depth
3731 ],[LN_S='$LN_S'])
3732
3733 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3734 [   depth=../../../../..
3735     case $srcdir in
3736     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3737     .) reldir=$depth ;;
3738     *) reldir=$depth/$srcdir ;;
3739     esac
3740     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3741     cd runtime/etc/mono/2.0/Browsers
3742     rm -f Compat.browser
3743     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3744     cd $depth
3745 ],[LN_S='$LN_S'])
3746
3747 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3748 [   depth=../../../../..
3749     case $srcdir in
3750     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3751     .) reldir=$depth ;;
3752     *) reldir=$depth/$srcdir ;;
3753     esac
3754     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3755     cd runtime/etc/mono/4.0/Browsers
3756     rm -f Compat.browser
3757     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3758     cd $depth
3759 ],[LN_S='$LN_S'])
3760
3761 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3762 [   depth=../../../../..
3763     case $srcdir in
3764     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3765     .) reldir=$depth ;;
3766     *) reldir=$depth/$srcdir ;;
3767     esac
3768     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3769     cd runtime/etc/mono/4.5/Browsers
3770     rm -f Compat.browser
3771     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3772     cd $depth
3773 ],[LN_S='$LN_S'])
3774
3775 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3776 [   depth=../../../..
3777     case $srcdir in
3778     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3779     .) reldir=$depth ;;
3780     *) reldir=$depth/$srcdir ;;
3781     esac
3782     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3783     cd runtime/etc/mono/4.0
3784     rm -f machine.config
3785     $LN_S $reldir/data/net_4_0/machine.config machine.config
3786     cd $depth
3787 ],[LN_S='$LN_S'])
3788
3789 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3790 [   depth=../../../..
3791     case $srcdir in
3792     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3793     .) reldir=$depth ;;
3794     *) reldir=$depth/$srcdir ;;
3795     esac
3796     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3797     cd runtime/etc/mono/4.0
3798     rm -f web.config
3799     $LN_S $reldir/data/net_4_0/web.config web.config
3800     cd $depth
3801 ],[LN_S='$LN_S'])
3802
3803 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3804 [   depth=../../../..
3805     case $srcdir in
3806     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3807     .) reldir=$depth ;;
3808     *) reldir=$depth/$srcdir ;;
3809     esac
3810     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3811     cd runtime/etc/mono/4.5
3812     rm -f machine.config
3813     $LN_S $reldir/data/net_4_5/machine.config machine.config
3814     cd $depth
3815 ],[LN_S='$LN_S'])
3816
3817 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3818 [   depth=../../../..
3819     case $srcdir in
3820     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3821     .) reldir=$depth ;;
3822     *) reldir=$depth/$srcdir ;;
3823     esac
3824     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3825     cd runtime/etc/mono/4.5
3826     rm -f web.config
3827     $LN_S $reldir/data/net_4_5/web.config web.config
3828     cd $depth
3829 ],[LN_S='$LN_S'])
3830
3831 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])
3832
3833 AC_OUTPUT([
3834 Makefile
3835 mono-core.spec
3836 mono-uninstalled.pc
3837 scripts/mono-find-provides
3838 scripts/mono-find-requires
3839 mono/Makefile
3840 mono/utils/Makefile
3841 mono/metadata/Makefile
3842 mono/dis/Makefile
3843 mono/cil/Makefile
3844 mono/arch/Makefile
3845 mono/arch/x86/Makefile
3846 mono/arch/amd64/Makefile
3847 mono/arch/ppc/Makefile
3848 mono/arch/sparc/Makefile
3849 mono/arch/s390x/Makefile
3850 mono/arch/arm/Makefile
3851 mono/arch/arm64/Makefile
3852 mono/arch/ia64/Makefile
3853 mono/arch/mips/Makefile
3854 mono/tests/Makefile
3855 mono/tests/tests-config
3856 mono/tests/assemblyresolve/Makefile
3857 mono/tests/cas/Makefile
3858 mono/tests/cas/assembly/Makefile
3859 mono/tests/cas/demand/Makefile
3860 mono/tests/cas/inheritance/Makefile
3861 mono/tests/cas/linkdemand/Makefile
3862 mono/tests/cas/threads/Makefile
3863 mono/tests/gc-descriptors/Makefile
3864 mono/unit-tests/Makefile
3865 mono/benchmark/Makefile
3866 mono/io-layer/Makefile
3867 mono/mini/Makefile
3868 mono/profiler/Makefile
3869 m4/Makefile
3870 ikvm-native/Makefile
3871 scripts/Makefile
3872 man/Makefile
3873 docs/Makefile
3874 data/Makefile
3875 data/net_2_0/Makefile
3876 data/net_4_0/Makefile
3877 data/net_4_5/Makefile
3878 data/net_2_0/Browsers/Makefile
3879 data/net_4_0/Browsers/Makefile
3880 data/net_4_5/Browsers/Makefile
3881 data/mint.pc
3882 data/mono-2.pc
3883 data/monosgen-2.pc
3884 data/mono.pc
3885 data/mono-cairo.pc
3886 data/mono-nunit.pc
3887 data/mono-options.pc
3888 data/mono-lineeditor.pc
3889 data/monodoc.pc
3890 data/dotnet.pc
3891 data/dotnet35.pc
3892 data/wcf.pc
3893 data/cecil.pc
3894 data/system.web.extensions_1.0.pc
3895 data/system.web.extensions.design_1.0.pc
3896 data/system.web.mvc.pc
3897 data/system.web.mvc2.pc
3898 data/system.web.mvc3.pc
3899 data/aspnetwebstack.pc
3900 data/reactive.pc
3901 samples/Makefile
3902 support/Makefile
3903 data/config
3904 tools/Makefile
3905 tools/locale-builder/Makefile
3906 tools/sgen/Makefile
3907 tools/monograph/Makefile
3908 runtime/Makefile
3909 msvc/Makefile
3910 po/Makefile
3911 ])
3912
3913 # Update all submodules recursively to ensure everything is checked out
3914 $srcdir/scripts/update_submodules
3915
3916 if test x$host_win32 = xyes; then
3917    # Get rid of 'cyg' prefixes in library names
3918    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3919    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3920    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3921    # executable doesn't work...
3922    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3923 fi
3924
3925 if test x$platform_darwin = xyes; then
3926    # This doesn't seem to be required and it slows down parallel builds
3927    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3928 fi
3929
3930 (
3931   case $prefix in
3932   NONE) prefix=$ac_default_prefix ;;
3933   esac
3934   case $exec_prefix in
3935   NONE) exec_prefix='${prefix}' ;;
3936   esac
3937
3938   #
3939   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3940   # any existing config.make.  This allows people to share the same source tree
3941   # with different build directories, one native and one cross
3942   #
3943   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3944
3945     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3946
3947     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3948     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3949     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3950     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3951     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3952     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3953     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3954     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3955
3956     case $INSTALL in
3957     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3958     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3959     esac
3960
3961     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3962
3963     export VERSION
3964     [myver=$($AWK 'BEGIN {
3965       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3966       if(length(vsplit [1]) > 4) {
3967         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3968       }
3969       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3970     }')]
3971
3972     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3973
3974     if test x$platform_darwin = xyes; then
3975       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3976     fi
3977
3978         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3979            enable_system_aot=yes
3980         fi
3981
3982     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3983       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3984     fi
3985
3986     if test x$DISABLE_MCS_DOCS = xyes; then
3987       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3988     fi
3989
3990     if test x$has_extension_module != xno; then
3991         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3992     fi
3993
3994         default_profile=net_4_5
3995     if test -z "$INSTALL_MONODROID_TRUE"; then :
3996                 default_profile=monodroid
3997     fi
3998     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3999                 default_profile=monotouch
4000     fi
4001         if test -z "$INSTALL_XAMMAC_TRUE"; then :
4002                 default_profile=xammac
4003         fi
4004     if test -z "$INSTALL_4_5_TRUE"; then :
4005                 default_profile=net_4_5
4006     fi
4007     
4008     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4009     
4010     if test "x$test_bcl_opt" = "xyes"; then    
4011       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4012     fi
4013
4014   fi
4015
4016   # if we have an olive folder, override the default settings
4017   if test -d $olivedir; then
4018
4019     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
4020
4021       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
4022
4023       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
4024       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
4025       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
4026       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
4027       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
4028       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
4029     fi
4030   fi
4031
4032 )
4033
4034 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4035
4036 echo "
4037         mcs source:    $mcsdir
4038
4039    Engine:
4040         Host:          $host
4041         Target:        $target
4042         GC:            $gc_msg 
4043         TLS:           $with_tls
4044         SIGALTSTACK:   $with_sigaltstack
4045         Engine:        $jit_status
4046         oprofile:      $OPROFILE
4047         BigArrays:     $enable_big_arrays
4048         DTrace:        $enable_dtrace
4049         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4050
4051    Libraries:
4052         .NET 4.5:      $with_profile4_5
4053         MonoDroid:     $with_monodroid
4054         MonoTouch:     $with_monotouch
4055         Xamarin.Mac:   $with_xammac
4056         JNI support:   $jdk_headers_found
4057         libgdiplus:    $libgdiplus_msg
4058         zlib:          $zlib_msg
4059         $disabled
4060 "
4061 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4062    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4063 fi