[runtime] Fix a crash on Windows during the cleanup phase caused by using a destroyed...
[mono.git] / configure.ac
1 # Process this file with autoconf to produce a configure script.
2 #AC_PREREQ([2.62])
3
4 AC_INIT(mono, [4.3.0],
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 $host_os in
36 *cygwin* ) LN_S='cp -p';;
37 esac
38
39 #
40 # libgc defaults
41 #
42 libgc_configure_args=
43
44 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
45 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
46 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
47 CFLAGS_FOR_LIBGC=$CFLAGS
48 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
49 CFLAGS_FOR_EGLIB=$CFLAGS
50
51 # libgc uses some deprecated APIs
52 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
53
54 #
55 # These are the flags that need to be stored in the mono.pc file for 
56 # compiling code that will embed Mono
57 #
58 libmono_cflags=""
59 libmono_ldflags=""
60 AC_SUBST(libmono_cflags)
61 AC_SUBST(libmono_ldflags)
62
63 # Variable to have relocatable .pc files (lib, or lib64)
64 reloc_libdir=`basename ${libdir}`
65 AC_SUBST(reloc_libdir)
66
67 # Set to yes if Unix sockets cannot be created in an anonymous namespace
68 need_link_unlink=no
69
70 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
71 extra_runtime_ldflags=""
72
73 # Thread configuration inspired by sleepycat's db
74 AC_MSG_CHECKING([host platform characteristics])
75 libgc_threads=no
76 has_dtrace=no
77 parallel_mark=yes
78 ikvm_native=yes
79
80 case "$host" in
81         powerpc*-*-linux*)
82                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
83                 disable_munmap=yes
84         ;;
85 esac
86
87 host_win32=no
88 target_win32=no
89 platform_android=no
90 platform_darwin=no
91 case "$host" in
92         *-mingw*|*-*-cygwin*)
93                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
94                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
95                 host_win32=yes
96                 mono_cv_clang=no
97                 if test "x$cross_compiling" = "xno"; then
98                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
99                                 target_win32=yes
100                         fi
101                 else
102                         if test "x$host" == "x$target"; then
103                                 target_win32=yes
104                         fi
105                 fi
106                 HOST_CC="gcc"
107                 # Windows Vista or later is required
108                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
109                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
110                 libmono_cflags="-mms-bitfields -mwindows"
111                 libmono_ldflags="-mms-bitfields -mwindows"
112                 libdl=
113                 libgc_threads=win32
114                 with_sigaltstack=no
115                 with_tls=pthread
116                 LN_S=cp
117                 # This forces libgc to use the DllMain based thread registration code on win32
118                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
119                 ;;
120         *-*-*netbsd*)
121                 host_win32=no
122                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
123                 libmono_cflags="-D_REENTRANT"
124                 LDFLAGS="$LDFLAGS -pthread"
125                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
126                 libmono_ldflags="-pthread"
127                 need_link_unlink=yes
128                 libdl="-ldl"
129                 libgc_threads=pthreads
130                 with_sigaltstack=no
131                 use_sigposix=yes
132                 ;;
133         *-*-kfreebsd*-gnu)
134                 host_win32=no
135                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
136                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
137                 libmono_ldflags="-lpthread -pthread"
138                 libdl="-ldl"
139                 libgc_threads=pthreads
140                 need_link_unlink=yes
141                 with_sigaltstack=no
142                 use_sigposix=yes
143                 ;;
144         *-*-*freebsd*)
145                 host_win32=no
146                 if test "x$PTHREAD_CFLAGS" = "x"; then
147                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
148                         libmono_cflags=
149                 else
150                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
151                         libmono_cflags="$PTHREAD_CFLAGS"
152                 fi
153                 if test "x$PTHREAD_LIBS" = "x"; then
154                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
155                         libmono_ldflags="-pthread"
156                 else
157                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
158                         libmono_ldflags="$PTHREAD_LIBS"
159                 fi
160                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
161                 need_link_unlink=yes
162                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
163                 libdl=
164                 libgc_threads=pthreads
165                 use_sigposix=yes
166                 has_dtrace=yes
167                 ;;
168         *-*-*openbsd*)
169                 host_win32=no
170                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
171                 if test "x$disable_munmap" != "xyes"; then
172                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
173                 fi
174                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
175                 LDFLAGS="$LDFLAGS -pthread"
176                 need_link_unlink=yes
177                 AC_DEFINE(PTHREAD_POINTER_ID)
178                 libdl=
179                 libgc_threads=pthreads
180                 with_sigaltstack=no
181                 use_sigposix=yes
182                 ;;
183         *-*-linux-android*)
184                 host_win32=no
185                 platform_android=yes
186                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
187                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
188
189                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
190                 if test "x$disable_munmap" != "xyes"; then
191                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
192                 fi
193                 libmono_cflags="-D_REENTRANT"
194                 libdl="-ldl"
195                 libgc_threads=pthreads
196                 use_sigposix=yes
197
198                 with_tls=pthread
199                 with_sigaltstack=no
200                 with_static_mono=no
201
202                 # Android doesn't support boehm, as it's missing <link.h>
203                 support_boehm=no
204                 with_gc=sgen
205
206                 # isinf(3) requires -lm; see isinf check below
207                 LDFLAGS="$LDFLAGS -lm"
208
209                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
210                 # PAGE_SIZE; breaks mono/io-layer/collection.c
211                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
212                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
213                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
214
215                 # The configure check can't detect this
216                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
217
218                 # to bypass the underscore linker check, can't work when cross-compiling
219                 mono_cv_uscore=yes
220                 mono_cv_clang=no
221                 ;;
222         *-*-linux*)
223                 host_win32=no
224                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
225                 if test "x$disable_munmap" != "xyes"; then
226                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
227                 fi
228                 libmono_cflags="-D_REENTRANT"
229                 libdl="-ldl"
230                 libgc_threads=pthreads
231                 use_sigposix=yes
232                 if test "x$cross_compiling" != "xno"; then
233                         # to bypass the underscore linker check, not
234                         # available during cross-compilation
235                         mono_cv_uscore=no
236                 fi
237                 case "$host" in
238                 aarch64-*)
239                         support_boehm=no
240                         with_gc=sgen
241                         ;;
242                 esac
243                 ;;
244         *-*-nacl*)
245                 host_win32=no
246                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
247                 if test "x$disable_munmap" != "xyes"; then
248                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
249                 fi
250                 libmono_cflags="-D_REENTRANT"
251                 libdl=
252                 libgc_threads=pthreads
253                 use_sigposix=yes
254                 ikvm_native=no
255                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
256                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
257                 ;;
258         *-*-hpux*)
259                 host_win32=no
260                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
261                 # +ESdbgasm only valid on bundled cc on RISC
262                 # silently ignored for ia64
263                 if test $GCC != "yes"; then
264                         CFLAGS="$CFLAGS +ESdbgasm"
265                         # Arrange for run-time dereferencing of null
266                         # pointers to produce a SIGSEGV signal.
267                         LDFLAGS="$LDFLAGS -z"
268                 fi
269                 CFLAGS="$CFLAGS +ESdbgasm"
270                 LDFLAGS="$LDFLAGS -z"
271                 libmono_cflags="-D_REENTRANT"
272                 libmono_ldflags="-lpthread"
273                 libgc_threads=pthreads
274                 need_link_unlink=yes
275                 use_sigposix=yes
276                 ;;
277         *-*-solaris*)
278                 host_win32=no
279                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
280                 need_link_unlink=yes
281                 libmono_cflags="-D_REENTRANT"
282                 libgc_threads=pthreads
283                 # This doesn't seem to work on solaris/x86, but the configure test runs
284                 with_tls=pthread
285                 has_dtrace=yes
286                 use_sigposix=yes
287                 enable_solaris_tar_check=yes
288                 ;;
289         *-*-darwin*)
290                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
291                 host_win32=no
292                 platform_darwin=yes
293                 target_mach=yes
294                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
295                 libmono_cflags="-D_THREAD_SAFE"
296                 need_link_unlink=yes
297                 AC_DEFINE(PTHREAD_POINTER_ID)
298                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
299                 libdl=
300                 libgc_threads=pthreads
301                 has_dtrace=yes
302                 if test "x$cross_compiling" = "xyes"; then
303                         has_broken_apple_cpp=yes
304                 fi
305                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
306                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
307                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
308                 case "$host" in
309                         dnl Snow Leopard and newer config.guess reports as this
310                         i*86-*-darwin*)
311                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
312                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
313                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
314                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
315                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
316                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
317                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
318                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
319                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
320                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
321                                 ;;
322                         x*64-*-darwin*)
323                                 ;;
324                         arm*-darwin*)
325                                 has_dtrace=no
326                                 ;;                      
327                 esac
328                 ;;
329         *-*-haiku*)
330                 host_win32=no
331                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
332                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
333                 libdl=
334                 LIBS="$LIBS -lnetwork"
335                 need_link_unlink=yes
336                 AC_DEFINE(PTHREAD_POINTER_ID)
337                 libgc_threads=pthreads
338                 use_sigposix=yes
339                 ;;
340         *)
341                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
342                 host_win32=no
343                 libdl="-ldl"
344                 ;;
345 esac
346 AC_MSG_RESULT(ok)
347
348 if test x$need_link_unlink = xyes; then
349    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
350 fi
351
352 if test x$host_win32 = xyes; then
353    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
354 fi
355
356 if test x$target_win32 = xyes; then
357    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
358 fi
359
360 AC_SUBST(extra_runtime_ldflags)
361 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
362 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
363 AM_CONDITIONAL(PLATFORM_GNU, echo x$target_os | grep -q -- -gnu)
364 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
365 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
366 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
367 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
368
369 AC_CHECK_TOOL(CC, gcc, gcc)
370 AC_PROG_CC
371 AC_CHECK_TOOL(CXX, g++, g++)
372 AC_PROG_CXX
373 AM_PROG_AS
374 AC_PROG_INSTALL
375 AC_PROG_AWK
376 AM_PROG_CC_C_O
377 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
378 : ${CCAS='$(CC)'}
379 # Set ASFLAGS if not already set.
380 : ${CCASFLAGS='$(CFLAGS)'}
381 AC_SUBST(CCAS)
382 AC_SUBST(CCASFLAGS)
383
384 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
385 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
386 if test "x$CXX" = "xg++"; then
387         if test "x$GXX" != "xyes"; then
388                 # automake/libtool is so broken, it requires g++ even if the c++ sources
389                 # are inside automake conditionals
390                 AC_MSG_ERROR([You need to install g++])
391         fi
392 fi
393
394 dnl may require a specific autoconf version
395 dnl AC_PROG_CC_FOR_BUILD
396 dnl CC_FOR_BUILD not automatically detected
397 CC_FOR_BUILD=$CC
398 CFLAGS_FOR_BUILD=$CFLAGS
399 BUILD_EXEEXT=
400 if test "x$cross_compiling" = "xyes"; then
401         CC_FOR_BUILD=cc
402         CFLAGS_FOR_BUILD=
403         BUILD_EXEEXT=""
404 fi
405 AC_SUBST(CC_FOR_BUILD)
406 AC_SUBST(CFLAGS_FOR_BUILD)
407 AC_SUBST(HOST_CC)
408 AC_SUBST(BUILD_EXEEXT)
409
410 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
411 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
412
413 # Set STDC_HEADERS
414 AC_HEADER_STDC
415 AC_LIBTOOL_WIN32_DLL
416 # This causes monodis to not link correctly
417 #AC_DISABLE_FAST_INSTALL
418 AM_PROG_LIBTOOL
419 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
420 DOLT
421
422 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
423 AC_SUBST(export_ldflags)
424
425 # Test whenever ld supports -version-script
426 AC_PROG_LD
427 AC_PROG_LD_GNU
428
429 AM_ICONV()
430
431 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 sys/prctl.h)
432 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 complex.h)
433 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
434                   [], [], [#include <stddef.h>
435                   #include <sys/socket.h>
436                   #include <linux/socket.h>])
437
438 AC_CHECK_HEADERS(sys/user.h, [], [],
439 [
440 #ifdef HAVE_SYS_PARAM_H
441 # include <sys/param.h>
442 #endif
443 ])
444
445 AC_CHECK_HEADERS(linux/serial.h)
446
447 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
448 if test x$have_zlib = xyes; then
449    AC_TRY_COMPILE([#include <zlib.h>], [
450    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
451    return 0;
452    #else
453    #error No good zlib found
454    #endif
455    ],[
456         AC_MSG_RESULT(Using system zlib)
457         zlib_msg="system zlib"
458         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
459    ],[
460         AC_MSG_RESULT(Using embedded zlib)
461         have_zlib=no
462         zlib_msg="bundled zlib"
463    ])
464 fi
465
466 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
467 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
468
469 # for mono/metadata/debug-symfile.c
470 AC_CHECK_HEADERS(elf.h)
471
472 # for support
473 AC_CHECK_HEADERS(poll.h)
474 AC_CHECK_HEADERS(sys/poll.h)
475 AC_CHECK_HEADERS(sys/wait.h)
476 AC_CHECK_HEADERS(grp.h)
477 AC_CHECK_HEADERS(syslog.h)
478
479 # for mono/dis
480 AC_CHECK_HEADERS(wchar.h)
481 AC_CHECK_HEADERS(ieeefp.h)
482 AC_MSG_CHECKING(for isinf)
483 AC_TRY_LINK([#include <math.h>], [
484         int f = isinf (1.0);
485 ], [
486         AC_MSG_RESULT(yes)
487         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
488 ], [
489         # We'll have to use signals
490         AC_MSG_RESULT(no)
491 ])
492 # mingw
493 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
494         AC_TRY_LINK([#include <math.h>], 
495         [ _finite(0.0); ], 
496         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
497         AC_MSG_RESULT(no)))
498
499 # for Linux statfs support
500 AC_CHECK_HEADERS(linux/magic.h)
501
502 # not 64 bit clean in cross-compile
503 AC_CHECK_SIZEOF(void *, 4)
504
505 AC_CACHE_CHECK([for clang],
506         mono_cv_clang,[
507         AC_TRY_COMPILE([], [
508                 #ifdef __clang__
509                 #else
510                 #error "FAILED"
511                 #endif
512                 return 0;
513         ],
514         [mono_cv_clang=yes],
515         [mono_cv_clang=no],
516         [])
517 ])
518
519 AC_ARG_ENABLE(visibility-hidden,
520 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
521    disable_visibility_hidden=yes, disable_visibility_hidden=no)
522
523 WARN=''
524 if test x"$GCC" = xyes; then
525         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes'
526
527                 # We require C99 with some GNU extensions, e.g. `linux` macro
528                 CFLAGS="$CFLAGS -std=gnu99"
529
530                 # The runtime code does not respect ANSI C strict aliasing rules
531                 CFLAGS="$CFLAGS -fno-strict-aliasing"
532
533                 # We rely on signed overflow to behave
534                 CFLAGS="$CFLAGS -fwrapv"
535
536                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
537                 if test x"$disable_visibility_hidden" = xno; then
538                    # Don't export any symbols by default
539                    SHARED_CFLAGS="-fvisibility=hidden"
540                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
541                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
542                 fi
543
544                 ORIG_CFLAGS=$CFLAGS
545                 # Check for the normal version, since gcc ignores unknown -Wno options
546                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
547                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
548                 AC_TRY_COMPILE([],[
549                                 return 0;
550                 ], [
551                    AC_MSG_RESULT(yes)
552                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
553                 ], [
554                    AC_MSG_RESULT(no)
555                    CFLAGS=$ORIG_CFLAGS
556                 ])
557
558                 if test "x$mono_cv_clang" = "xyes"; then
559                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
560                    WARN="$WARN -Qunused-arguments"
561                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign"
562                 fi
563 else
564         # The Sun Forte compiler complains about inline functions that access static variables
565         # so disable all inlining.
566         case "$host" in
567         *-*-solaris*)
568                 CFLAGS="$CFLAGS -Dinline="
569                 ;;
570         esac
571 fi
572 CFLAGS="$CFLAGS -g $WARN"
573 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
574 CPPFLAGS="$CPPFLAGS -g $WARN"
575
576 # Where's the 'mcs' source tree?
577 if test -d $srcdir/mcs; then
578   mcsdir=mcs
579 else
580   mcsdir=../mcs
581 fi
582
583 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
584         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
585                 mcsdir=$with_mcs_path
586         fi
587 )
588
589 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
590
591 #
592 # A sanity check to catch cases where the package was unpacked
593 # with an ancient tar program (Solaris)
594 #
595 AC_ARG_ENABLE(solaris-tar-check,
596 [  --disable-solaris-tar-check    disable solaris tar check],
597    do_solaris_tar_check=no, do_solaris_tar_check=yes)
598
599 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
600         AC_MSG_CHECKING(integrity of package)
601         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
602         then
603                 AC_MSG_RESULT(ok)
604         else
605                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
606                 AC_MSG_ERROR([$errorm])
607         fi
608 fi
609
610 if test "x$with_mcs_path" != "x"; then
611 mcs_topdir=$(cd "$mcsdir" && pwd)
612 mcs_topdir_from_srcdir=$mcs_topdir
613 else
614 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
615 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
616 fi
617
618 # Convert mcs_topdir* paths to Windows syntax.
619 if test x$cross_compiling$host_win32 = xnoyes; then
620   mcs_topdir=$(cygpath -m $mcs_topdir)
621   case $mcs_topdir_from_srcdir in
622     /cygdrive/*)
623         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
624         ;;
625   esac
626 fi
627
628 AC_SUBST([mcs_topdir])
629 AC_SUBST([mcs_topdir_from_srcdir])
630
631 # gettext: prepare the translation directories. 
632 # we do not configure the full gettext, as we consume it dynamically from C#
633 AM_PO_SUBDIRS
634
635 if test "x$USE_NLS" = "xyes"; then
636    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
637
638    if test "x$HAVE_MSGFMT" = "xno"; then
639           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
640    fi
641 fi
642
643 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
644
645 pkg_config_path=
646 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
647         if test x$with_crosspkgdir = "x"; then
648                 if test -s $PKG_CONFIG_PATH; then
649                         pkg_config_path=$PKG_CONFIG_PATH
650                 fi
651         else
652                 pkg_config_path=$with_crosspkgdir
653                 PKG_CONFIG_PATH=$pkg_config_path
654                 export PKG_CONFIG_PATH
655         fi
656 )
657
658 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
659 if test x$werror_flag = xyes; then
660         WERROR_CFLAGS="-Werror"
661 fi
662 AC_SUBST([WERROR_CFLAGS])
663 AC_SUBST([SHARED_CFLAGS])
664
665 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
666 AC_CONFIG_SUBDIRS(eglib)
667
668 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
669 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
670 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
671 BUILD_GLIB_LIBS="$GLIB_LIBS"
672 GMODULE_CFLAGS="$GLIB_CFLAGS"
673 GMODULE_LIBS="$GLIB_LIBS"
674   
675 AC_SUBST(GLIB_CFLAGS)
676 AC_SUBST(GLIB_LIBS)
677 AC_SUBST(GMODULE_CFLAGS)
678 AC_SUBST(GMODULE_LIBS)
679 AC_SUBST(BUILD_GLIB_CFLAGS)
680 AC_SUBST(BUILD_GLIB_LIBS)
681
682 # Enable support for fast thread-local storage
683 # Some systems have broken support, so we allow to disable it.
684 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
685
686 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
687 # This does not work on some platforms (bug #55253)
688 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
689
690 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
691 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
692 # Same as --with-shared_mono=no
693 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
694
695 if test "x$enable_static" = "xno"; then
696    with_static_mono=no
697 fi
698
699 if test "x$enable_shared" = "xno"; then
700    with_shared_mono=no
701 fi
702
703 if test "x$enable_libraries" = "xno"; then
704    with_shared_mono=no
705 fi
706
707 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
708
709 case $host in
710 *nacl* ) with_shared_mono=yes;;
711 esac
712
713 if test "x$host_win32" = "xyes"; then
714    # Boehm GC requires the runtime to be in its own dll
715    with_static_mono=no
716 fi
717
718 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
719 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
720 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
721
722 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
723 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
724         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
725         ORIG_CFLAGS=$CFLAGS
726         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
727         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
728         AC_TRY_COMPILE([], [
729                 return 0;
730         ], [
731            AC_MSG_RESULT(yes)
732            # Pass it to libgc as well
733            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
734         ], [
735            AC_MSG_RESULT(no)
736            CFLAGS=$ORIG_CFLAGS
737         ])
738 fi
739
740 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
741
742 if test x$enable_small_config = xyes; then
743         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
744         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
745 fi
746
747 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=$enableval, enable_system_aot=default)
748
749 DISABLED_FEATURES=none
750
751 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
752      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
753      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
754          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying, shared_handles.],
755 [
756         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
757                 eval "mono_feature_disable_$feature='yes'"
758         done
759         DISABLED_FEATURES=$enable_minimal
760         disabled="Disabled:      $enable_minimal"
761 ],[])
762
763 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
764
765 if test "x$mono_feature_disable_aot" = "xyes"; then
766         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
767         AC_MSG_NOTICE([Disabled AOT compiler])
768 fi
769
770 if test "x$mono_feature_disable_profiler" = "xyes"; then
771         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
772         AC_MSG_NOTICE([Disabled support for the profiler])
773 fi
774 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
775
776 if test "x$mono_feature_disable_decimal" = "xyes"; then
777         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
778         AC_MSG_NOTICE([Disabled support for decimal])
779 fi
780
781 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
782         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
783         AC_MSG_NOTICE([Disabled support for P/Invoke])
784 fi
785
786 if test "x$mono_feature_disable_debug" = "xyes"; then
787         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
788         AC_MSG_NOTICE([Disabled support for runtime debugging])
789 fi
790
791 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
792         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
793         mono_feature_disable_reflection_emit_save=yes
794         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
795 fi
796
797 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
798         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
799         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
800 fi
801
802 if test "x$mono_feature_disable_large_code" = "xyes"; then
803         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
804         AC_MSG_NOTICE([Disabled support for large assemblies])
805 fi
806
807 if test "x$mono_feature_disable_logging" = "xyes"; then
808         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
809         AC_MSG_NOTICE([Disabled support for logging])
810 fi
811
812 if test "x$mono_feature_disable_com" = "xyes"; then
813         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
814         AC_MSG_NOTICE([Disabled COM support])
815 fi
816
817 if test "x$mono_feature_disable_ssa" = "xyes"; then
818         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
819         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
820 fi
821
822 if test "x$mono_feature_disable_generics" = "xyes"; then
823         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
824         AC_MSG_NOTICE([Disabled Generics Support])
825 fi
826
827 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
828         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
829         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
830 fi
831
832 if test "x$mono_feature_disable_portability" = "xyes"; then
833         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
834         AC_MSG_NOTICE([Disabled IO Portability layer])
835 fi
836
837 if test "x$mono_feature_disable_attach" = "xyes"; then
838         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
839         AC_MSG_NOTICE([Disabled agent attach])
840 fi
841
842 if test "x$mono_feature_disable_full_messages" = "xyes"; then
843         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
844         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
845 fi
846
847 if test "x$mono_feature_disable_verifier" = "xyes"; then
848         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
849         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
850 fi
851
852 if test "x$mono_feature_disable_jit" = "xyes"; then
853         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
854         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
855 fi
856
857 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
858
859 if test "x$mono_feature_disable_simd" = "xyes"; then
860         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
861         AC_MSG_NOTICE([Disabled SIMD support])
862 fi
863
864 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
865         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
866         AC_MSG_NOTICE([Disabled Soft Debugger.])
867 fi
868
869 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
870         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
871         AC_MSG_NOTICE([Disabled Performance Counters.])
872 fi
873 if test "x$mono_feature_disable_normalization" = "xyes"; then
874         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
875         AC_MSG_NOTICE([Disabled String normalization support.])
876 fi
877
878 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
879         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
880         AC_MSG_NOTICE([Disabled Assembly remapping.])
881 fi
882
883 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
884         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
885         AC_MSG_NOTICE([Disabled Shared perfcounters.])
886 fi
887
888 if test "x$mono_feature_disable_appdomains" = "xyes"; then
889         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
890         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
891 fi
892
893 if test "x$mono_feature_disable_remoting" = "xyes"; then
894         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
895         AC_MSG_NOTICE([Disabled remoting])
896 fi
897
898 if test "x$mono_feature_disable_security" = "xyes"; then
899         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
900         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
901 fi
902
903 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
904         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
905         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
906 fi
907
908 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
909         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
910         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
911 fi
912
913 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
914         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
915         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
916 fi
917
918 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
919         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
920         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
921 fi
922
923 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
924         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
925         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
926 fi
927
928 if test "x$mono_feature_disable_shared_handles" = "xyes"; then
929         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
930         AC_SUBST(DISABLE_SHARED_HANDLES)
931 fi
932
933 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
934 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
935
936 has_extension_module=no
937 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
938 [
939         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
940                 if test x$extension = xdefault ; then
941                         has_extension_module=yes;
942                 fi
943         done
944         if test x$enable_extension_module = xyes; then
945                 has_extension_module=yes;
946         fi
947 ], [])
948
949 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
950
951 if test x$has_extension_module != xno ; then
952         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
953         AC_MSG_NOTICE([Enabling mono extension module.])
954 fi
955
956 AC_ARG_ENABLE(gsharing, [  --enable-gsharing Enable gsharing], enable_gsharing=$enableval, enable_gsharing=no)
957 if test x$enable_gsharing = xyes; then
958         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharing])
959 fi
960
961 # A synonym
962 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing], enable_gsharedvt=$enableval, enable_gsharedvt=no)
963 if test x$enable_gsharedvt = xyes; then
964         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharedvt])
965 fi
966
967 AC_ARG_ENABLE(native-types, [  --enable-native-types Enable native types], enable_native_types=$enableval, enable_native_types=no)
968 if test x$enable_native_types = xyes; then
969         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
970 fi
971
972 AC_MSG_CHECKING(for visibility __attribute__)
973 AC_COMPILE_IFELSE([
974         AC_LANG_SOURCE([[
975                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
976                 int main () { doit (); return 0; }
977         ]])
978 ], [
979    have_visibility_hidden=yes
980    AC_MSG_RESULT(yes)
981 ], [
982    have_visibility_hidden=no
983    AC_MSG_RESULT(no)
984 ])
985
986 AC_MSG_CHECKING(for deprecated __attribute__)
987 AC_TRY_COMPILE([
988      int doit (void) __attribute__ ((deprecated));
989      int doit (void) { return 0; }
990 ], [
991         return 0;
992 ], [
993    have_deprecated=yes
994    AC_MSG_RESULT(yes)
995 ], [
996    have_deprecated=no
997    AC_MSG_RESULT(no)
998 ])
999
1000 dnl
1001 dnl Boehm GC configuration
1002 dnl
1003
1004 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
1005
1006 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1007 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1008
1009 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1010 if test x$enable_parallel_mark = xyes; then
1011         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1012 fi
1013
1014 gc_msg=""
1015 LIBGC_CPPFLAGS=
1016 LIBGC_LIBS=
1017 LIBGC_STATIC_LIBS=
1018 libgc_dir=
1019 case "x$libgc" in
1020         xincluded)
1021                 if test "x$support_boehm" = "xyes"; then
1022                         libgc_dir=libgc
1023                 fi
1024
1025                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1026                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1027                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1028
1029                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1030
1031                 if test x$target_win32 = xyes; then
1032                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1033                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1034                 fi
1035
1036                 gc_msg="Included Boehm GC with typed GC"
1037                 if test x$enable_parallel_mark = xyes; then
1038                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1039                         gc_msg="$gc_msg and parallel mark"
1040                 else
1041                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1042                 fi
1043                 ;;
1044
1045         xboehm|xbohem|xyes)
1046                 AC_MSG_WARN("External Boehm is no longer supported")
1047                 ;;
1048
1049         xsgen)
1050                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1051                 ;;
1052
1053         xnone)
1054                 AC_MSG_WARN("Compiling mono without GC.")
1055                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1056                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1057                 gc_msg="none"
1058                 ;;
1059         *)
1060                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1061                 ;;
1062 esac
1063
1064 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1065 if test "x$large_heap" = "xyes"; then
1066    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1067 fi
1068
1069 AC_SUBST(LIBGC_CPPFLAGS)
1070 AC_SUBST(LIBGC_LIBS)
1071 AC_SUBST(LIBGC_STATIC_LIBS)
1072 AC_SUBST(libgc_dir)
1073 AC_SUBST(BOEHM_DEFINES)
1074
1075 dnl
1076 dnl End of Boehm GC Configuration
1077 dnl
1078
1079 dnl *************************************
1080 dnl *** Checks for zero length arrays ***
1081 dnl *************************************
1082 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1083 AC_TRY_COMPILE([
1084         struct s {
1085                 int  length;
1086                 char data [0];
1087         };
1088 ], [], [
1089         AC_MSG_RESULT(yes)
1090         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1091 ], [
1092         AC_MSG_RESULT(no)
1093         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1094 ])
1095
1096 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1097
1098 dnl ***********************************
1099 dnl *** Checks for signals
1100 dnl ***********************************
1101 AC_CHECK_HEADERS(signal.h)
1102 AC_CHECK_FUNCS(sigaction)
1103
1104 if test x$host_win32 = xno; then
1105
1106         dnl hires monotonic clock support
1107         AC_SEARCH_LIBS(clock_gettime, rt)
1108
1109         dnl dynamic loader support
1110         AC_CHECK_FUNC(dlopen, DL_LIB="",
1111                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1112         )
1113         if test x$dl_support = xno; then
1114                 AC_MSG_WARN([No dynamic loading support available])
1115         else
1116                 LIBS="$LIBS $DL_LIB"
1117                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1118                 dnl from glib's configure.ac
1119                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1120                         mono_cv_uscore,[
1121                         AC_TRY_RUN([#include <dlfcn.h>
1122                         int mono_underscore_test (void) { return 42; }
1123                         int main() {
1124                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1125                           handle = dlopen ((void*)0, 0);
1126                           if (handle) {
1127                             f1 = dlsym (handle, "mono_underscore_test");
1128                             f2 = dlsym (handle, "_mono_underscore_test");
1129                           } return (!f2 || f1);
1130                         }],
1131                                 [mono_cv_uscore=yes],
1132                                 [mono_cv_uscore=no],
1133                         [])
1134                 ])
1135                 if test "x$mono_cv_uscore" = "xyes"; then
1136                         MONO_DL_NEED_USCORE=1
1137                 else
1138                         MONO_DL_NEED_USCORE=0
1139                 fi
1140                 AC_SUBST(MONO_DL_NEED_USCORE)
1141                 AC_CHECK_FUNC(dlerror)
1142         fi
1143
1144         dnl ******************************************************************
1145         dnl *** Checks for the IKVM JNI interface library                  ***
1146         dnl ******************************************************************
1147         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])
1148
1149         ikvm_native_dir=
1150         if test x$with_ikvm_native = xyes; then
1151                 ikvm_native_dir=ikvm-native
1152                 jdk_headers_found="IKVM Native"
1153         fi
1154
1155         AC_SUBST(ikvm_native_dir)
1156
1157         AC_CHECK_HEADERS(execinfo.h)
1158
1159         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1160
1161         AC_CHECK_FUNCS(getgrgid_r)
1162         AC_CHECK_FUNCS(getgrnam_r)
1163         AC_CHECK_FUNCS(getpwnam_r)
1164         AC_CHECK_FUNCS(getpwuid_r)
1165         AC_CHECK_FUNCS(getresuid)
1166         AC_CHECK_FUNCS(setresuid)
1167         AC_CHECK_FUNCS(kqueue)
1168         AC_CHECK_FUNCS(backtrace_symbols)
1169         AC_CHECK_FUNCS(mkstemp)
1170         AC_CHECK_FUNCS(mmap)
1171         AC_CHECK_FUNCS(madvise)
1172         AC_CHECK_FUNCS(getrusage)
1173         AC_CHECK_FUNCS(getpriority)
1174         AC_CHECK_FUNCS(setpriority)
1175         AC_CHECK_FUNCS(dl_iterate_phdr)
1176         AC_CHECK_FUNCS(dladdr)
1177         AC_CHECK_FUNCS(sysconf)
1178         AC_CHECK_FUNCS(getrlimit)
1179         AC_CHECK_FUNCS(prctl)
1180
1181         AC_CHECK_FUNCS(sched_setaffinity)
1182         AC_CHECK_FUNCS(sched_getcpu)
1183
1184         dnl ****************************************************************
1185         dnl *** Check for sched_setaffinity from glibc versions before   ***
1186         dnl *** 2.3.4. The older versions of the function only take 2    ***
1187         dnl *** parameters, not 3.                                       ***
1188         dnl ***                                                          ***
1189         dnl *** Because the interface change was not made in a minor     ***
1190         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1191         dnl *** won't always indicate the interface sched_affinity has.  ***
1192         dnl ****************************************************************
1193         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1194         AC_TRY_COMPILE([#include <sched.h>], [
1195             int mask = 1; 
1196             sched_setaffinity(0, &mask);
1197                         return 0;
1198         ], [
1199                 # Yes, we have it...
1200                 AC_MSG_RESULT(yes)
1201                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1202         ], [
1203                 # We have the new, three-parameter version
1204                 AC_MSG_RESULT(no)
1205         ])
1206
1207
1208         dnl ******************************************************************
1209         dnl *** Check for large file support                               ***
1210         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1211         dnl ******************************************************************
1212         
1213         # Check that off_t can represent 2**63 - 1 correctly, working around
1214         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1215         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1216         large_offt=no
1217         AC_DEFUN([LARGE_FILES], [
1218                 large_CPPFLAGS=$CPPFLAGS
1219                 CPPFLAGS="$CPPFLAGS $1"
1220                 AC_TRY_COMPILE([
1221                         #include <sys/types.h>
1222                         #include <limits.h>
1223                 ], [
1224                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1225                         #define COMPILE_TIME_ASSERT(pred) \
1226                                 switch(0){case 0:case pred:;}
1227                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1228                 ], [
1229                         AC_MSG_RESULT(ok)
1230                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1231                         large_CPPFLAGS="$large_CPPFLAGS $1"
1232                         large_offt=yes
1233                 ], [
1234                         AC_MSG_RESULT(no)
1235                 ])
1236                 CPPFLAGS=$large_CPPFLAGS
1237         ])
1238
1239         AC_MSG_CHECKING(if off_t is 64 bits wide)
1240         LARGE_FILES("")
1241         if test $large_offt = no; then
1242                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1243                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1244         fi
1245         if test $large_offt = no; then
1246                 AC_MSG_WARN([No 64 bit file size support available])
1247         fi
1248         
1249         dnl *****************************
1250         dnl *** Checks for libsocket  ***
1251         dnl *****************************
1252         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1253
1254         case "$host" in
1255                 *-*-*freebsd*)
1256                         dnl *****************************
1257                         dnl *** Checks for libinotify ***
1258                         dnl *****************************
1259                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1260         esac
1261
1262         dnl *******************************
1263         dnl *** Checks for MSG_NOSIGNAL ***
1264         dnl *******************************
1265         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1266         AC_TRY_COMPILE([#include <sys/socket.h>], [
1267                 int f = MSG_NOSIGNAL;
1268         ], [
1269                 # Yes, we have it...
1270                 AC_MSG_RESULT(yes)
1271                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1272         ], [
1273                 # We'll have to use signals
1274                 AC_MSG_RESULT(no)
1275         ])
1276
1277         dnl *****************************
1278         dnl *** Checks for IPPROTO_IP ***
1279         dnl *****************************
1280         AC_MSG_CHECKING(for IPPROTO_IP)
1281         AC_TRY_COMPILE([#include <netinet/in.h>], [
1282                 int level = IPPROTO_IP;
1283         ], [
1284                 # Yes, we have it...
1285                 AC_MSG_RESULT(yes)
1286                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1287         ], [
1288                 # We'll have to use getprotobyname
1289                 AC_MSG_RESULT(no)
1290         ])
1291
1292         dnl *******************************
1293         dnl *** Checks for IPPROTO_IPV6 ***
1294         dnl *******************************
1295         AC_MSG_CHECKING(for IPPROTO_IPV6)
1296         AC_TRY_COMPILE([#include <netinet/in.h>], [
1297                 int level = IPPROTO_IPV6;
1298         ], [
1299                 # Yes, we have it...
1300                 AC_MSG_RESULT(yes)
1301                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1302         ], [
1303                 # We'll have to use getprotobyname
1304                 AC_MSG_RESULT(no)
1305         ])
1306
1307         dnl ******************************
1308         dnl *** Checks for IPPROTO_TCP ***
1309         dnl ******************************
1310         AC_MSG_CHECKING(for IPPROTO_TCP)
1311         AC_TRY_COMPILE([#include <netinet/in.h>], [
1312                 int level = IPPROTO_TCP;
1313         ], [
1314                 # Yes, we have it...
1315                 AC_MSG_RESULT(yes)
1316                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1317         ], [
1318                 # We'll have to use getprotobyname
1319                 AC_MSG_RESULT(no)
1320         ])
1321
1322         dnl *****************************
1323         dnl *** Checks for SOL_IP     ***
1324         dnl *****************************
1325         AC_MSG_CHECKING(for SOL_IP)
1326         AC_TRY_COMPILE([#include <netdb.h>], [
1327                 int level = SOL_IP;
1328         ], [
1329                 # Yes, we have it...
1330                 AC_MSG_RESULT(yes)
1331                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1332         ], [
1333                 # We'll have to use getprotobyname
1334                 AC_MSG_RESULT(no)
1335         ])
1336
1337         dnl *****************************
1338         dnl *** Checks for SOL_IPV6     ***
1339         dnl *****************************
1340         AC_MSG_CHECKING(for SOL_IPV6)
1341         AC_TRY_COMPILE([#include <netdb.h>], [
1342                 int level = SOL_IPV6;
1343         ], [
1344                 # Yes, we have it...
1345                 AC_MSG_RESULT(yes)
1346                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1347         ], [
1348                 # We'll have to use getprotobyname
1349                 AC_MSG_RESULT(no)
1350         ])
1351
1352         dnl *****************************
1353         dnl *** Checks for SOL_TCP    ***
1354         dnl *****************************
1355         AC_MSG_CHECKING(for SOL_TCP)
1356         AC_TRY_COMPILE([#include <netdb.h>], [
1357                 int level = SOL_TCP;
1358         ], [
1359                 # Yes, we have it...
1360                 AC_MSG_RESULT(yes)
1361                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1362         ], [
1363                 # We'll have to use getprotobyname
1364                 AC_MSG_RESULT(no)
1365         ])
1366
1367         dnl *****************************
1368         dnl *** Checks for IP_PKTINFO ***
1369         dnl *****************************
1370         AC_MSG_CHECKING(for IP_PKTINFO)
1371         AC_TRY_COMPILE([#include <linux/in.h>], [
1372                 int level = IP_PKTINFO;
1373         ], [
1374                 # Yes, we have it...
1375                 AC_MSG_RESULT(yes)
1376                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1377         ], [
1378                 AC_MSG_RESULT(no)
1379         ])
1380
1381         dnl *****************************
1382         dnl *** Checks for IPV6_PKTINFO ***
1383         dnl *****************************
1384         AC_MSG_CHECKING(for IPV6_PKTINFO)
1385         AC_TRY_COMPILE([#include <netdb.h>], [
1386                 int level = IPV6_PKTINFO;
1387         ], [
1388                 # Yes, we have it...
1389                 AC_MSG_RESULT(yes)
1390                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1391         ], [
1392                 AC_MSG_RESULT(no)
1393         ])
1394
1395         dnl **********************************
1396         dnl *** Checks for IP_DONTFRAG     ***
1397         dnl **********************************
1398         AC_MSG_CHECKING(for IP_DONTFRAG)
1399         AC_TRY_COMPILE([#include <netinet/in.h>], [
1400                 int level = IP_DONTFRAG;
1401         ], [
1402                 # Yes, we have it...
1403                 AC_MSG_RESULT(yes)
1404                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1405         ], [
1406                 AC_MSG_RESULT(no)
1407         ])
1408
1409         dnl **********************************
1410         dnl *** Checks for IP_DONTFRAGMENT ***
1411         dnl **********************************
1412         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1413         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1414                 int level = IP_DONTFRAGMENT;
1415         ], [
1416                 # Yes, we have it...
1417                 AC_MSG_RESULT(yes)
1418                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1419         ], [
1420                 AC_MSG_RESULT(no)
1421         ])
1422
1423         dnl **********************************
1424         dnl *** Checks for IP_MTU_DISCOVER ***
1425         dnl **********************************
1426         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1427         AC_TRY_COMPILE([#include <linux/in.h>], [
1428                 int level = IP_MTU_DISCOVER;
1429         ], [
1430                 # Yes, we have it...
1431                 AC_MSG_RESULT(yes)
1432                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1433         ], [
1434                 AC_MSG_RESULT(no)
1435         ])
1436
1437         dnl **********************************
1438         dnl *** Checks for  IP_PMTUDISC_DO ***
1439         dnl **********************************
1440         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1441         AC_TRY_COMPILE([#include <linux/in.h>], [
1442                 int level = IP_PMTUDISC_DO;
1443         ], [
1444                 # Yes, we have it...
1445                 AC_MSG_RESULT(yes)
1446                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1447         ], [
1448                 AC_MSG_RESULT(no)
1449         ])
1450
1451         dnl *********************************
1452         dnl *** Check for struct ip_mreqn ***
1453         dnl *********************************
1454         AC_MSG_CHECKING(for struct ip_mreqn)
1455         AC_TRY_COMPILE([#include <netinet/in.h>], [
1456                 struct ip_mreqn mreq;
1457                 mreq.imr_address.s_addr = 0;
1458         ], [
1459                 # Yes, we have it...
1460                 AC_MSG_RESULT(yes)
1461                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1462         ], [
1463                 # We'll just have to try and use struct ip_mreq
1464                 AC_MSG_RESULT(no)
1465                 AC_MSG_CHECKING(for struct ip_mreq)
1466                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1467                         struct ip_mreq mreq;
1468                         mreq.imr_interface.s_addr = 0;
1469                 ], [
1470                         # Yes, we have it...
1471                         AC_MSG_RESULT(yes)
1472                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1473                 ], [
1474                         # No multicast support
1475                         AC_MSG_RESULT(no)
1476                 ])
1477         ])
1478         
1479         dnl **********************************
1480         dnl *** Check for getaddrinfo ***
1481         dnl **********************************
1482         AC_MSG_CHECKING(for getaddrinfo)
1483                 AC_TRY_LINK([
1484                 #include <stdio.h>
1485                 #include <netdb.h>
1486         ], [
1487                 getaddrinfo(NULL,NULL,NULL,NULL);
1488         ], [
1489                 # Yes, we have it...
1490                 AC_MSG_RESULT(yes)
1491                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1492         ], [
1493                 AC_MSG_RESULT(no)
1494         ])
1495
1496         dnl **********************************
1497         dnl *** Check for gethostbyname2_r ***
1498         dnl **********************************
1499         AC_MSG_CHECKING(for gethostbyname2_r)
1500                 AC_TRY_LINK([
1501                 #include <stdio.h>
1502                 #include <netdb.h>
1503         ], [
1504
1505                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1506         ], [
1507                 # Yes, we have it...
1508                 AC_MSG_RESULT(yes)
1509                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1510         ], [
1511                 AC_MSG_RESULT(no)
1512         ])
1513
1514         dnl **********************************
1515         dnl *** Check for gethostbyname2 ***
1516         dnl **********************************
1517         AC_MSG_CHECKING(for gethostbyname2)
1518                 AC_TRY_LINK([
1519                 #include <stdio.h>
1520                 #include <netdb.h>
1521         ], [
1522                 gethostbyname2(NULL,0);
1523         ], [
1524                 # Yes, we have it...
1525                 AC_MSG_RESULT(yes)
1526                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1527         ], [
1528                 AC_MSG_RESULT(no)
1529         ])
1530
1531         dnl **********************************
1532         dnl *** Check for gethostbyname ***
1533         dnl **********************************
1534         AC_MSG_CHECKING(for gethostbyname)
1535                 AC_TRY_LINK([
1536                 #include <stdio.h>
1537                 #include <netdb.h>
1538         ], [
1539                 gethostbyname(NULL);
1540         ], [
1541                 # Yes, we have it...
1542                 AC_MSG_RESULT(yes)
1543                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1544         ], [
1545                 AC_MSG_RESULT(no)
1546         ])
1547
1548         dnl **********************************
1549         dnl *** Check for getprotobyname ***
1550         dnl **********************************
1551         AC_MSG_CHECKING(for getprotobyname)
1552                 AC_TRY_LINK([
1553                 #include <stdio.h>
1554                 #include <netdb.h>
1555         ], [
1556                 getprotobyname(NULL);
1557         ], [
1558                 # Yes, we have it...
1559                 AC_MSG_RESULT(yes)
1560                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1561         ], [
1562                 AC_MSG_RESULT(no)
1563         ])
1564
1565         dnl **********************************
1566         dnl *** Check for getnameinfo ***
1567         dnl **********************************
1568         AC_MSG_CHECKING(for getnameinfo)
1569                 AC_TRY_LINK([
1570                 #include <stdio.h>
1571                 #include <netdb.h>
1572         ], [
1573                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1574         ], [
1575                 # Yes, we have it...
1576                 AC_MSG_RESULT(yes)
1577                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1578         ], [
1579                 AC_MSG_RESULT(no)
1580         ])
1581
1582
1583         dnl **********************************
1584         dnl *** Check for inet_ntop ***
1585         dnl **********************************
1586         AC_MSG_CHECKING(for inet_ntop)
1587                 AC_TRY_LINK([
1588                 #include <stdio.h>
1589                 #include <arpa/inet.h>
1590         ], [
1591                 inet_ntop (0, NULL, NULL, 0);
1592         ], [
1593                 # Yes, we have it...
1594                 AC_MSG_RESULT(yes)
1595                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1596         ], [
1597                 AC_MSG_RESULT(no)
1598         ])
1599
1600         dnl *****************************
1601         dnl *** Checks for libnsl     ***
1602         dnl *****************************
1603         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1604
1605         AC_CHECK_FUNCS(inet_pton inet_aton)
1606
1607         dnl *****************************
1608         dnl *** Checks for libxnet    ***
1609         dnl *****************************
1610         case "${host}" in
1611                 *solaris* )
1612                         AC_MSG_CHECKING(for Solaris XPG4 support)
1613                         if test -f /usr/lib/libxnet.so; then
1614                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1615                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1616                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1617                                 LIBS="$LIBS -lxnet"
1618                                 AC_MSG_RESULT(yes)
1619                         else
1620                                 AC_MSG_RESULT(no)
1621                         fi
1622
1623                         if test "$GCC" = "yes"; then
1624                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1625                         fi
1626                 ;;
1627         esac
1628
1629         dnl *****************************
1630         dnl *** Checks for libpthread ***
1631         dnl *****************************
1632 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1633 # and libpthread does not exist
1634 #
1635         case "${host}" in
1636                 *-*-*freebsd*)
1637                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1638                 ;;
1639                 *-*-*openbsd*)
1640                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1641                 ;;
1642                 *)
1643                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1644                 ;;
1645         esac
1646         AC_CHECK_HEADERS(pthread.h)
1647         AC_CHECK_HEADERS(pthread_np.h)
1648         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1649         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1650         AC_CHECK_FUNCS(pthread_kill)
1651         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1652         AC_TRY_COMPILE([ #include <pthread.h>], [
1653                 pthread_mutexattr_t attr;
1654                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1655         ], [
1656                 AC_MSG_RESULT(ok)
1657         ], [
1658                 AC_MSG_RESULT(no)
1659                 AC_ERROR(Posix system lacks support for recursive mutexes)
1660         ])
1661         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1662         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1663         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1664
1665         dnl **********************************
1666         dnl *** Check for mincore ***
1667         dnl **********************************
1668         AC_MSG_CHECKING(for mincore)
1669                 AC_TRY_LINK([
1670                 #include <stdio.h>
1671                 #include <sys/types.h>
1672                 #include <sys/mman.h>
1673         ], [
1674                 mincore(NULL, 0, NULL);
1675         ], [
1676                 # Yes, we have it...
1677                 AC_MSG_RESULT(yes)
1678                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1679         ], [
1680                 AC_MSG_RESULT(no)
1681         ])
1682
1683         dnl ***********************************
1684         dnl *** Checks for working __thread ***
1685         dnl ***********************************
1686         AC_MSG_CHECKING(for working __thread)
1687         if test "x$with_tls" != "x__thread"; then
1688                 AC_MSG_RESULT(disabled)
1689         elif test "x$cross_compiling" = "xyes"; then
1690                 AC_MSG_RESULT(cross compiling, assuming yes)
1691         else
1692                 AC_TRY_RUN([
1693                         #if defined(__APPLE__) && defined(__clang__)
1694                         #error "__thread does not currently work with clang on Mac OS X"
1695                         #endif
1696                         
1697                         #include <pthread.h>
1698                         __thread int i;
1699                         static int res1, res2;
1700
1701                         void thread_main (void *arg)
1702                         {
1703                                 i = arg;
1704                                 sleep (1);
1705                                 if (arg == 1)
1706                                         res1 = (i == arg);
1707                                 else
1708                                         res2 = (i == arg);
1709                         }
1710
1711                         int main () {
1712                                 pthread_t t1, t2;
1713
1714                                 i = 5;
1715
1716                                 pthread_create (&t1, NULL, thread_main, 1);
1717                                 pthread_create (&t2, NULL, thread_main, 2);
1718
1719                                 pthread_join (t1, NULL);
1720                                 pthread_join (t2, NULL);
1721
1722                                 return !(res1 + res2 == 2);
1723                         }
1724                 ], [
1725                                 AC_MSG_RESULT(yes)
1726                 ], [
1727                                 AC_MSG_RESULT(no)
1728                                 with_tls=pthread
1729                 ])
1730         fi
1731
1732         dnl **************************************
1733         dnl *** Checks for working sigaltstack ***
1734         dnl **************************************
1735         AC_MSG_CHECKING(for working sigaltstack)
1736         if test "x$with_sigaltstack" != "xyes"; then
1737                 AC_MSG_RESULT(disabled)
1738         elif test "x$cross_compiling" = "xyes"; then
1739                 AC_MSG_RESULT(cross compiling, assuming yes)
1740         else
1741                 AC_TRY_RUN([
1742                         #include <stdio.h>
1743                         #include <stdlib.h>
1744                         #include <unistd.h>
1745                         #include <signal.h>
1746                         #include <pthread.h>
1747                         #include <sys/wait.h>
1748                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1749                         #define SA_STACK SA_ONSTACK
1750                         #endif
1751                         static void
1752                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1753                         {
1754                                 exit (0);
1755                         }
1756
1757                         volatile char*__ptr = NULL;
1758                         static void *
1759                         loop (void *ignored)
1760                         {
1761                                 *__ptr = 0;
1762                                 return NULL;
1763                         }
1764
1765                         static void
1766                         child ()
1767                         {
1768                                 struct sigaction sa;
1769                         #ifdef __APPLE__
1770                                 stack_t sas;
1771                         #else
1772                                 struct sigaltstack sas;
1773                         #endif
1774                                 pthread_t id;
1775                                 pthread_attr_t attr;
1776
1777                                 sa.sa_sigaction = sigsegv_signal_handler;
1778                                 sigemptyset (&sa.sa_mask);
1779                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1780                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1781                                         perror ("sigaction");
1782                                         return;
1783                                 }
1784
1785                                 /* x86 darwin deliver segfaults using SIGBUS */
1786                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1787                                         perror ("sigaction");
1788                                         return;
1789                                 }
1790                                 sas.ss_sp = malloc (SIGSTKSZ);
1791                                 sas.ss_size = SIGSTKSZ;
1792                                 sas.ss_flags = 0;
1793                                 if (sigaltstack (&sas, NULL) == -1) {
1794                                         perror ("sigaltstack");
1795                                         return;
1796                                 }
1797
1798                                 pthread_attr_init (&attr);
1799                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1800                                         printf ("pthread_create\n");
1801                                         return;
1802                                 }
1803
1804                                 sleep (100);
1805                         }
1806
1807                         int
1808                         main ()
1809                         {
1810                                 pid_t son;
1811                                 int status;
1812                                 int i;
1813
1814                                 son = fork ();
1815                                 if (son == -1) {
1816                                         return 1;
1817                                 }
1818
1819                                 if (son == 0) {
1820                                         child ();
1821                                         return 0;
1822                                 }
1823
1824                                 for (i = 0; i < 300; ++i) {
1825                                         waitpid (son, &status, WNOHANG);
1826                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1827                                                 return 0;
1828                                         usleep (10000);
1829                                 }
1830
1831                                 kill (son, SIGKILL);
1832                                 return 1;
1833                         }
1834
1835                 ], [
1836                                 AC_MSG_RESULT(yes)
1837                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1838                 ], [
1839                                 with_sigaltstack=no
1840                                 AC_MSG_RESULT(no)
1841                 ])
1842         fi
1843
1844         dnl ********************************
1845         dnl *** Checks for semaphore lib ***
1846         dnl ********************************
1847         # 'Real Time' functions on Solaris
1848         # posix4 on Solaris 2.6
1849         # pthread (first!) on Linux
1850         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1851
1852         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1853         AC_CHECK_FUNCS(shm_open)
1854
1855         dnl ********************************
1856         dnl *** Checks for timezone stuff **
1857         dnl ********************************
1858         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1859                 AC_TRY_COMPILE([
1860                         #include <time.h>
1861                         ], [
1862                         struct tm tm;
1863                         tm.tm_gmtoff = 1;
1864                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1865         if test $ac_cv_struct_tm_gmtoff = yes; then
1866                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1867         else
1868                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1869                         AC_TRY_COMPILE([
1870                                 #include <time.h>
1871                         ], [
1872                                 timezone = 1;
1873                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1874                 if test $ac_cv_var_timezone = yes; then
1875                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1876                 else
1877                         AC_ERROR(unable to find a way to determine timezone)
1878                 fi
1879         fi
1880
1881         dnl *********************************
1882         dnl *** Checks for math functions ***
1883         dnl *********************************
1884         AC_SEARCH_LIBS(sqrtf, m)
1885         if test "x$has_broken_apple_cpp" != "xyes"; then
1886                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1887                         AC_TRY_LINK([#include <math.h>], 
1888                         [ finite(0.0); ], 
1889                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1890                         AC_MSG_RESULT(no)))
1891         fi
1892         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1893                 AC_TRY_LINK([#include <math.h>], 
1894                 [ isfinite(0.0); ], 
1895                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1896                 AC_MSG_RESULT(no)))
1897
1898         dnl ****************************************************************
1899         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1900         dnl *** have it in the library (duh))                            ***
1901         dnl ****************************************************************
1902         AC_CHECK_FUNCS(poll)
1903
1904         dnl *************************
1905         dnl *** Check for signbit ***
1906         dnl *************************
1907         AC_MSG_CHECKING(for signbit)
1908         AC_TRY_LINK([#include <math.h>], [
1909                 int s = signbit(1.0);
1910         ], [
1911                 AC_MSG_RESULT(yes)
1912                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1913         ], [
1914                 AC_MSG_RESULT(no)
1915         ]) 
1916
1917         dnl **********************************
1918         dnl *** epoll                      ***
1919         dnl **********************************
1920         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1921                 AC_CHECK_HEADERS(sys/epoll.h)
1922                 haveepoll=no
1923                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1924                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1925                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1926                 fi
1927         fi
1928
1929         havekqueue=no
1930
1931         AC_CHECK_HEADERS(sys/event.h)
1932         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1933
1934         dnl **************************************
1935         dnl * Darwin has a race that prevents us from using reliably:
1936         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1937         dnl * Since kqueue is mostly used for scaling large web servers, 
1938         dnl * and very few folks run Mono on large web servers on OSX, falling
1939         dnl * back 
1940         dnl **************************************
1941         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1942                 if test "x$platform_darwin" = "xno"; then
1943                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1944                 fi
1945         fi
1946
1947         dnl ******************************
1948         dnl *** Checks for SIOCGIFCONF ***
1949         dnl ******************************
1950         AC_CHECK_HEADERS(sys/ioctl.h)
1951         AC_CHECK_HEADERS(net/if.h, [], [],
1952            [
1953            #ifdef HAVE_SYS_TYPES_H
1954            # include <sys/types.h>
1955            #endif
1956            #ifdef HAVE_SYS_SOCKET_H
1957            # include <sys/socket.h>
1958            #endif
1959            ])
1960         AC_MSG_CHECKING(for ifreq)
1961         AC_TRY_COMPILE([
1962                 #include <stdio.h>
1963                 #include <sys/ioctl.h>
1964                 #include <net/if.h>
1965                 ], [
1966                 struct ifconf ifc;
1967                 struct ifreq *ifr;
1968                 void *x;
1969                 ifc.ifc_len = 0;
1970                 ifc.ifc_buf = NULL;
1971                 x = (void *) &ifr->ifr_addr;
1972                 ],[
1973                         AC_MSG_RESULT(yes)
1974                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1975                 ], [
1976                         AC_MSG_RESULT(no)
1977                 ])
1978         dnl **********************************
1979         dnl ***     Checks for sin_len     ***
1980         dnl **********************************
1981         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1982         AC_TRY_COMPILE([
1983                 #include <netinet/in.h>
1984                 ], [
1985                 struct sockaddr_in saddr;
1986                 saddr.sin_len = sizeof (saddr);
1987                 ],[
1988                         AC_MSG_RESULT(yes)
1989                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1990                 ], [
1991                         AC_MSG_RESULT(no)
1992                 ])      
1993         dnl **********************************
1994         dnl ***    Checks for sin6_len     ***
1995         dnl **********************************
1996         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1997         AC_TRY_COMPILE([
1998                 #include <netinet/in.h>
1999                 ], [
2000                 struct sockaddr_in6 saddr6;
2001                 saddr6.sin6_len = sizeof (saddr6);
2002                 ],[
2003                         AC_MSG_RESULT(yes)
2004                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2005                 ], [
2006                         AC_MSG_RESULT(no)
2007                 ])
2008         dnl **********************************
2009         dnl *** Check for getifaddrs       ***
2010         dnl **********************************
2011         AC_MSG_CHECKING(for getifaddrs)
2012                 AC_TRY_LINK([
2013                 #include <stdio.h>
2014                 #include <sys/types.h>
2015                 #include <sys/socket.h>
2016                 #include <ifaddrs.h>
2017         ], [
2018                 getifaddrs(NULL);
2019         ], [
2020                 # Yes, we have it...
2021                 AC_MSG_RESULT(yes)
2022                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2023         ], [
2024                 AC_MSG_RESULT(no)
2025         ])
2026         dnl **********************************
2027         dnl *** Check for if_nametoindex   ***
2028         dnl **********************************
2029         AC_MSG_CHECKING(for if_nametoindex)
2030                 AC_TRY_LINK([
2031                 #include <stdio.h>
2032                 #include <sys/types.h>
2033                 #include <sys/socket.h>
2034                 #include <net/if.h>
2035         ], [
2036                 if_nametoindex(NULL);
2037         ], [
2038                 # Yes, we have it...
2039                 AC_MSG_RESULT(yes)
2040                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2041         ], [
2042                 AC_MSG_RESULT(no)
2043         ])
2044                         
2045         dnl **********************************
2046         dnl *** Checks for MonoPosixHelper ***
2047         dnl **********************************
2048         AC_CHECK_HEADERS(checklist.h)
2049         AC_CHECK_HEADERS(pathconf.h)
2050         AC_CHECK_HEADERS(fstab.h)
2051         AC_CHECK_HEADERS(attr/xattr.h)
2052         AC_CHECK_HEADERS(sys/extattr.h)
2053         AC_CHECK_HEADERS(sys/sendfile.h)
2054         AC_CHECK_HEADERS(sys/statvfs.h)
2055         AC_CHECK_HEADERS(sys/statfs.h)
2056         AC_CHECK_HEADERS(sys/vfstab.h)
2057         AC_CHECK_HEADERS(sys/xattr.h)
2058         AC_CHECK_HEADERS(sys/mman.h)
2059         AC_CHECK_HEADERS(sys/param.h)
2060         AC_CHECK_HEADERS(sys/mount.h, [], [],
2061                 [
2062                 #ifdef HAVE_SYS_PARAM_H
2063                 # include <sys/param.h>
2064                 #endif
2065                 ])
2066         AC_CHECK_HEADERS(sys/mount.h)
2067         AC_CHECK_FUNCS(confstr)
2068         AC_CHECK_FUNCS(seekdir telldir)
2069         AC_CHECK_FUNCS(getdomainname)
2070         AC_CHECK_FUNCS(setdomainname)
2071         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2072         AC_CHECK_FUNCS(setgroups)
2073         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2074         AC_CHECK_FUNCS(getfsstat)
2075         AC_CHECK_FUNCS(lutimes futimes)
2076         AC_CHECK_FUNCS(mremap)
2077         AC_CHECK_FUNCS(remap_file_pages)
2078         AC_CHECK_FUNCS(posix_fadvise)
2079         AC_CHECK_FUNCS(posix_fallocate)
2080         AC_CHECK_FUNCS(posix_madvise)
2081         AC_CHECK_FUNCS(vsnprintf)
2082         AC_CHECK_FUNCS(sendfile)
2083         AC_CHECK_FUNCS(gethostid sethostid)
2084         AC_CHECK_FUNCS(sethostname)
2085         AC_CHECK_FUNCS(statfs)
2086         AC_CHECK_FUNCS(fstatfs)
2087         AC_CHECK_FUNCS(statvfs)
2088         AC_CHECK_FUNCS(fstatvfs)
2089         AC_CHECK_FUNCS(stime)
2090         AC_CHECK_FUNCS(strerror_r)
2091         AC_CHECK_FUNCS(ttyname_r)
2092         AC_CHECK_FUNCS(psignal)
2093         AC_CHECK_FUNCS(getlogin_r)
2094         AC_CHECK_FUNCS(lockf)
2095         AC_CHECK_FUNCS(swab)
2096         AC_CHECK_FUNCS(setusershell endusershell)
2097         AC_CHECK_FUNCS(futimens utimensat)
2098         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2099         AC_CHECK_FUNCS(readv writev preadv pwritev)
2100         AC_CHECK_FUNCS(setpgid)
2101         AC_CHECK_FUNCS(system)
2102         AC_CHECK_SIZEOF(size_t)
2103         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2104                 [#include <sys/types.h>
2105                  #include <sys/stat.h>
2106                  #include <unistd.h>])
2107         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2108                 [#include <sys/types.h>
2109                  #include <sys/stat.h>
2110                  #include <unistd.h>])
2111         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2112                 [#include <sys/time.h>])
2113         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2114                 [#include <unistd.h>
2115                  #include <fcntl.h>])
2116         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2117                 [#include <sys/uio.h>])
2118         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2119                 [#include <sys/poll.h>])
2120         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2121                 [#include <sys/types.h>
2122                  #include <sys/stat.h>
2123                  #include <unistd.h>])
2124         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2125                 [#include <time.h>])
2126         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2127                 [#include <sys/time.h>
2128                  #include <sys/types.h>
2129                  #include <utime.h>])
2130         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2131                 [#include <sys/time.h>])
2132         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2133                 [#include <sys/types.h>
2134                  #include <utime.h>])
2135         AC_CHECK_MEMBERS(
2136                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2137                 [#include <sys/types.h>
2138                  #include <dirent.h>])
2139         AC_CHECK_MEMBERS(
2140                 [struct passwd.pw_gecos],,, 
2141                 [#include <sys/types.h>
2142                  #include <pwd.h>])
2143         AC_CHECK_MEMBERS(
2144                 [struct statfs.f_flags],,, 
2145                 [#include <sys/types.h>
2146                  #include <sys/vfs.h>])
2147         AC_CHECK_MEMBERS(
2148                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2149                 [#include <sys/types.h>
2150                  #include <sys/stat.h>
2151                  #include <unistd.h>])
2152
2153         dnl Favour xattr through glibc, but use libattr if we have to
2154         AC_CHECK_FUNC(lsetxattr, ,
2155                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2156         )
2157         AC_SUBST(XATTR_LIB)
2158
2159         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2160         AC_CHECK_MEMBERS(
2161                 [struct kinfo_proc.kp_proc],,, 
2162                 [#include <sys/types.h>
2163                  #include <sys/param.h>
2164                  #include <sys/sysctl.h>
2165                  #include <sys/proc.h>
2166                  ])
2167
2168         dnl *********************************
2169         dnl *** Checks for Windows compilation ***
2170         dnl *********************************
2171         AC_CHECK_HEADERS(sys/time.h)
2172         AC_CHECK_HEADERS(sys/param.h)
2173         AC_CHECK_HEADERS(dirent.h)
2174
2175         dnl ******************************************
2176         dnl *** Checks for OSX and iOS compilation ***
2177         dnl ******************************************
2178         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2179
2180         dnl *********************************
2181         dnl *** Check for Console 2.0 I/O ***
2182         dnl *********************************
2183         AC_CHECK_HEADERS([curses.h])
2184         AC_CHECK_HEADERS([term.h], [], [],
2185         [#if HAVE_CURSES_H
2186          #include <curses.h>
2187          #endif
2188         ])
2189         AC_CHECK_HEADERS([termios.h])
2190
2191         dnl * This is provided in io-layer, but on windows it's only available
2192         dnl * on xp+
2193         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2194 else
2195         dnl *********************************
2196         dnl *** Checks for Windows compilation ***
2197         dnl *********************************
2198         AC_CHECK_HEADERS(winternl.h)
2199
2200         jdk_headers_found=no
2201         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2202         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2203         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2204         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2205         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2206         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2207         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2208
2209         dnl *********************************
2210         dnl *** Check for struct ip_mreqn ***
2211         dnl *********************************
2212         AC_MSG_CHECKING(for struct ip_mreqn)
2213         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2214                 struct ip_mreqn mreq;
2215                 mreq.imr_address.s_addr = 0;
2216         ], [
2217                 # Yes, we have it...
2218                 AC_MSG_RESULT(yes)
2219                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2220         ], [
2221                 # We'll just have to try and use struct ip_mreq
2222                 AC_MSG_RESULT(no)
2223                 AC_MSG_CHECKING(for struct ip_mreq)
2224                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2225                         struct ip_mreq mreq;
2226                         mreq.imr_interface.s_addr = 0;
2227                 ], [
2228                         # Yes, we have it...
2229                         AC_MSG_RESULT(yes)
2230                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2231                 ], [
2232                         # No multicast support
2233                         AC_MSG_RESULT(no)
2234                 ])
2235         ])
2236
2237         dnl **********************************
2238         dnl *** Check for getaddrinfo ***
2239         dnl **********************************
2240         AC_MSG_CHECKING(for getaddrinfo)
2241                 AC_TRY_LINK([
2242                 #include <stdio.h>
2243                 #include <winsock2.h>
2244                 #include <ws2tcpip.h>
2245         ], [
2246                 getaddrinfo(NULL,NULL,NULL,NULL);
2247         ], [
2248                 # Yes, we have it...
2249                 AC_MSG_RESULT(yes)
2250                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2251         ], [
2252                 AC_MSG_RESULT(no)
2253         ])
2254
2255         dnl **********************************
2256         dnl *** Check for gethostbyname ***
2257         dnl **********************************
2258         AC_MSG_CHECKING(for gethostbyname)
2259                 AC_TRY_LINK([
2260                 #include <stdio.h>
2261                 #include <winsock2.h>
2262                 #include <ws2tcpip.h>
2263         ], [
2264                 gethostbyname(NULL);
2265         ], [
2266                 # Yes, we have it...
2267                 AC_MSG_RESULT(yes)
2268                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2269         ], [
2270                 AC_MSG_RESULT(no)
2271         ])
2272
2273         dnl **********************************
2274         dnl *** Check for getprotobyname ***
2275         dnl **********************************
2276         AC_MSG_CHECKING(for getprotobyname)
2277                 AC_TRY_LINK([
2278                 #include <stdio.h>
2279                 #include <winsock2.h>
2280                 #include <ws2tcpip.h>
2281         ], [
2282                 getprotobyname(NULL);
2283         ], [
2284                 # Yes, we have it...
2285                 AC_MSG_RESULT(yes)
2286                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2287         ], [
2288                 AC_MSG_RESULT(no)
2289         ])
2290
2291         dnl **********************************
2292         dnl *** Check for getnameinfo ***
2293         dnl **********************************
2294         AC_MSG_CHECKING(for getnameinfo)
2295                 AC_TRY_LINK([
2296                 #include <stdio.h>
2297                 #include <winsock2.h>
2298                 #include <ws2tcpip.h>
2299         ], [
2300                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2301         ], [
2302                 # Yes, we have it...
2303                 AC_MSG_RESULT(yes)
2304                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2305         ], [
2306                 AC_MSG_RESULT(no)
2307         ])
2308
2309         dnl **********************************
2310         dnl *** Check for inet_ntop ***
2311         dnl **********************************
2312         AC_MSG_CHECKING(for inet_ntop)
2313                 AC_TRY_LINK([
2314                 #include <stdio.h>
2315                 #include <winsock2.h>
2316                 #include <ws2tcpip.h>
2317         ], [
2318                 inet_ntop (0, NULL, NULL, 0);
2319         ], [
2320                 # Yes, we have it...
2321                 AC_MSG_RESULT(yes)
2322                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2323         ], [
2324                 AC_MSG_RESULT(no)
2325         ])
2326
2327         dnl **********************************
2328         dnl *** Check for inet_pton ***
2329         dnl **********************************
2330         AC_MSG_CHECKING(for inet_pton)
2331                 AC_TRY_LINK([
2332                 #include <stdio.h>
2333                 #include <winsock2.h>
2334                 #include <ws2tcpip.h>
2335         ], [
2336                 inet_pton (0, NULL, NULL);
2337         ], [
2338                 # Yes, we have it...
2339                 AC_MSG_RESULT(yes)
2340                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2341         ], [
2342                 AC_MSG_RESULT(no)
2343         ])
2344
2345         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2346         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2347         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2348         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2349         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2350         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2351         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2352
2353         AC_MSG_CHECKING(for GetProcessId)
2354         AC_TRY_COMPILE([#include <windows.h>], [
2355                 GetProcessId (0);
2356         ], [
2357            AC_MSG_RESULT(yes)
2358            AC_DEFINE(HAVE_GETPROCESSID)
2359         ], [
2360            AC_MSG_RESULT(no)
2361         ])
2362 fi
2363
2364 dnl socklen_t check
2365 AC_MSG_CHECKING(for socklen_t)
2366 AC_TRY_COMPILE([
2367 #include <sys/types.h>
2368 #include <sys/socket.h>
2369 ],[
2370   socklen_t foo;
2371 ],[
2372 ac_cv_c_socklen_t=yes
2373         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2374         AC_MSG_RESULT(yes)
2375 ],[
2376         AC_MSG_RESULT(no)
2377 ])
2378
2379 AC_MSG_CHECKING(for array element initializer support)
2380 AC_TRY_COMPILE([#include <sys/socket.h>], [
2381         const int array[] = {[1] = 2,};
2382 ], [
2383         # Yes, we have it...
2384         AC_MSG_RESULT(yes)
2385         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2386 ], [
2387         # We'll have to use signals
2388         AC_MSG_RESULT(no)
2389 ])
2390
2391 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2392         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2393         AC_TRY_LINK([#include <math.h>], 
2394         [ static void *p = &trunc; ],
2395         [
2396                 AC_DEFINE(HAVE_TRUNC) 
2397                 AC_MSG_RESULT(yes)
2398                 ac_cv_trunc=yes
2399         ],
2400         AC_MSG_RESULT(no)))
2401
2402 if test "x$ac_cv_truncl" != "xyes"; then
2403    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2404 fi
2405
2406 AC_CHECK_FUNCS(round)
2407 AC_CHECK_FUNCS(rint)
2408 AC_CHECK_FUNCS(execvp)
2409
2410 dnl ****************************
2411 dnl *** Look for /dev/random ***
2412 dnl ****************************
2413
2414 AC_MSG_CHECKING([if usage of random device is requested])
2415 AC_ARG_ENABLE(dev-random,
2416 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2417 try_dev_random=$enableval, try_dev_random=yes)
2418
2419 AC_MSG_RESULT($try_dev_random)
2420
2421 case "{$build}" in
2422     *-openbsd*)
2423     NAME_DEV_RANDOM="/dev/srandom"
2424     ;;
2425
2426 dnl Win32 does not have /dev/random, they have their own method...
2427
2428     *-mingw*|*-*-cygwin*)
2429     ac_cv_have_dev_random=no
2430     ;;
2431
2432 dnl Everywhere else, it's /dev/random
2433
2434     *)
2435     NAME_DEV_RANDOM="/dev/random"
2436     ;;
2437 esac
2438
2439 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2440
2441 dnl Now check if the device actually exists
2442
2443 if test "x$try_dev_random" = "xyes"; then
2444     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2445     [if test -r "$NAME_DEV_RANDOM" ; then
2446         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2447     if test "x$ac_cv_have_dev_random" = "xyes"; then
2448         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2449     fi
2450 else
2451     AC_MSG_CHECKING(for random device)
2452     ac_cv_have_dev_random=no
2453     AC_MSG_RESULT(has been disabled)
2454 fi
2455
2456 if test "x$host_win32" = "xyes"; then
2457     AC_DEFINE(HAVE_CRYPT_RNG)
2458 fi
2459
2460 if test "x$ac_cv_have_dev_random" = "xno" \
2461     && test "x$host_win32" = "xno"; then
2462     AC_MSG_WARN([[
2463 ***
2464 *** A system-provided entropy source was not found on this system.
2465 *** Because of this, the System.Security.Cryptography random number generator
2466 *** will throw a NotImplemented exception.
2467 ***
2468 *** If you are seeing this message, and you know your system DOES have an
2469 *** entropy collection in place, please contact <crichton@gimp.org> and
2470 *** provide information about the system and how to access the random device.
2471 ***
2472 *** Otherwise you can install either egd or prngd and set the environment
2473 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2474 ***]])
2475 fi
2476  
2477 AC_MSG_CHECKING([if inter-process shared handles are requested])
2478 # Same as --enable-minimal=shared_handles
2479 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2480 AC_MSG_RESULT($try_shared_handles)
2481 if test "x$try_shared_handles" != "xyes"; then
2482         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2483         AC_SUBST(DISABLE_SHARED_HANDLES)
2484 fi
2485
2486 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2487
2488 AC_ARG_ENABLE(perf-events, [  --enable-perf-events Enable using `perf` for profiling on Linux], test_perf_events=$enableval, test_perf_events=no)
2489 if test "x$test_perf_events" == "xyes"; then
2490         AC_DEFINE(ENABLE_PERF_EVENTS, 1, [Enable using `perf` for profiling on Linux])
2491         AC_SUBST(ENABLE_PERF_EVENTS)
2492 fi
2493
2494 AC_MSG_CHECKING([if big-arrays are to be enabled])
2495 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2496 if test "x$enable_big_arrays" = "xyes" ; then
2497     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2498         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2499     else
2500         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2501     fi
2502 fi
2503 AC_MSG_RESULT($enable_big_arrays)
2504
2505 dnl **************
2506 dnl *** DTRACE ***
2507 dnl **************
2508
2509 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2510
2511 if test "x$enable_dtrace" = "xyes"; then
2512    if test "x$has_dtrace" = "xno"; then
2513           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2514    fi
2515    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2516    if test "x$DTRACE" = "xno"; then
2517           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2518           enable_dtrace=no
2519    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2520           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2521           enable_dtrace=no
2522    fi
2523 fi
2524
2525 dtrace_g=no
2526 if test "x$enable_dtrace" = "xyes"; then
2527         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2528         DTRACEFLAGS=
2529         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2530                 case "$host" in
2531                         powerpc-*-darwin*)
2532                         DTRACEFLAGS="-arch ppc64"
2533                         ;;
2534                         i*86-*-darwin*)
2535                         DTRACEFLAGS="-arch x86_64"
2536                         ;;
2537                         *)
2538                         DTRACEFLAGS=-64
2539                         ;;
2540                 esac
2541         else
2542                 case "$host" in
2543                         powerpc-*-darwin*)
2544                         DTRACEFLAGS="-arch ppc"
2545                         ;;
2546                         i*86-*-darwin*)
2547                         DTRACEFLAGS="-arch i386"
2548                         ;;
2549                         *)
2550                         DTRACEFLAGS=-32
2551                         ;;
2552                 esac
2553         fi
2554         AC_SUBST(DTRACEFLAGS)
2555         case "$host" in
2556                 *-*-solaris*)
2557                 dtrace_g=yes
2558                 ;;
2559         esac
2560         AC_CHECK_HEADERS([sys/sdt.h])
2561 fi
2562 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2563 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2564
2565 dnl **************
2566 dnl ***  NaCl  ***
2567 dnl **************
2568
2569 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2570 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2571
2572 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2573
2574 dnl
2575 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2576 dnl
2577 nacl_self_host=""
2578 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2579    nacl_self_host="nacl_self_host"
2580 fi
2581 AC_SUBST(nacl_self_host)
2582
2583 if test "x$enable_nacl_codegen" = "xyes"; then
2584    MONO_NACL_ALIGN_MASK_OFF=1
2585    AC_DEFINE(TARGET_NACL, 1, [...])
2586    AC_DEFINE(__native_client_codegen__, 1, [...])
2587 else
2588    MONO_NACL_ALIGN_MASK_OFF=0
2589    AC_DEFINE(__default_codegen__, 1, [...])
2590 fi
2591 if test "x$enable_nacl_gc" = "xyes"; then
2592    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2593       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2594    else
2595       # Not yet implemented
2596       INSTRUMENT_CFLAG=""
2597    fi
2598    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2599 fi
2600 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2601
2602 dnl **************
2603 dnl ***  LLVM  ***
2604 dnl **************
2605
2606 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2607 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2608 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2609
2610 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2611
2612 if test "x$enable_llvm" = "xyes"; then
2613    if test "x$with_llvm" != "x"; then
2614           LLVM_CONFIG=$with_llvm/bin/llvm-config
2615           if test x$host_win32 = xyes; then
2616                 LLVM_CONFIG=$LLVM_CONFIG.exe
2617           fi
2618           if test ! -x $LLVM_CONFIG; then
2619                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2620       fi
2621    else
2622       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2623       if test "x$LLVM_CONFIG" = "xno"; then
2624              AC_MSG_ERROR([llvm-config not found.])
2625       fi
2626    fi
2627
2628    llvm_codegen="x86codegen"
2629    case "$target" in
2630    arm*)
2631                 llvm_codegen="armcodegen"
2632                 ;;
2633    esac
2634
2635    if test "x$host_win32" = "xno"; then
2636
2637    # The output of --cflags seems to include optimizations flags too
2638    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2639    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2640    # from LLVM classes.
2641    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2642    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2643    # This might include empty lines
2644    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2645    if test "x$host" != "x$target"; then
2646       # No need for jit libs
2647       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2648    else
2649       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2650    fi
2651    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS -lstdc++"
2652
2653    expected_llvm_version="3.4svn-mono-mono/e656cac"
2654
2655    # Should be something like '2.6' or '2.7svn'
2656    llvm_version=`$LLVM_CONFIG --version`
2657    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2658    AC_MSG_CHECKING(LLVM version)
2659    AC_MSG_RESULT($llvm_version)
2660    if echo $llvm_version | grep -q 'mono'; then
2661           if test "x$enable_llvm_version_check" == "xyes"; then
2662                  if test "$llvm_version" != "$expected_llvm_version"; then
2663                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2664                  fi
2665           fi
2666    else
2667           AC_MSG_ERROR([Compiling with stock LLVM is not supported, please use the Mono LLVM repo at https://github.com/mono/llvm, with the GIT branch which matches this version of mono, i.e. 'mono-2-10' for Mono 2.10.])
2668    fi
2669
2670    else
2671        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2672        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-exceptions -fno-rtti -Woverloaded-virtual -Wcast-qual"
2673        LLVM_LDFLAGS="-L$with_llvm/lib"
2674        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2675        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2676          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2677          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2678          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2679          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2680          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2681          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2682          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2683          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2684          -lLLVMSupport -lstdc++"
2685        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2686
2687        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2688        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2689    fi  
2690
2691    if test "x$llvm_api_version" = "x"; then
2692           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2693           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2694    else
2695           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2696           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2697    fi   
2698
2699    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2700
2701    AC_SUBST(LLVM_CFLAGS)
2702    AC_SUBST(LLVM_CXXFLAGS)
2703    AC_SUBST(LLVM_LIBS)
2704    AC_SUBST(LLVM_LDFLAGS)
2705    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2706 fi
2707
2708 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2709 if test "x$enable_loadedllvm" = "xyes"; then
2710    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2711 fi
2712 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2713
2714 TARGET="unknown"
2715 ACCESS_UNALIGNED="yes"
2716
2717 LIBC="libc.so.6"
2718 INTL="libc.so.6"
2719 SQLITE="libsqlite.so.0"
2720 SQLITE3="libsqlite3.so.0"
2721 X11="libX11.so"
2722 GDKX11="libgdk-x11-2.0.so.0"
2723 GTKX11="libgtk-x11-2.0.so.0"
2724 XINERAMA="libXinerama.so.1"
2725
2726 sizeof_register="SIZEOF_VOID_P"
2727
2728 jit_wanted=true
2729 sgen_supported=false
2730 boehm_supported=true
2731 case "$host" in
2732         mips*)
2733                 TARGET=MIPS;
2734                 arch_target=mips;
2735                 sgen_supported=true
2736                 ACCESS_UNALIGNED="no"
2737
2738                 AC_MSG_CHECKING(for mips n32)
2739                 AC_TRY_COMPILE([],[
2740                 #if _MIPS_SIM != _ABIN32
2741                 #error Not mips n32
2742                 #endif
2743                 return 0;
2744                 ],[
2745                 AC_MSG_RESULT(yes)
2746                 sizeof_register=8
2747                 ],[
2748                 AC_MSG_RESULT(no)
2749                 ])
2750                 ;;
2751         i*86-*-*)
2752                 TARGET=X86;
2753                 arch_target=x86;
2754                 case $host_os in
2755                   solaris*)
2756                         LIBC="libc.so"
2757                         INTL="libintl.so"
2758                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2759                                 TARGET=AMD64
2760                                 arch_target=amd64
2761                         fi
2762
2763                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2764                         # int astruct __attribute__ ((visibility ("hidden")));
2765                         # void foo ()
2766                         # {
2767                         #       void *p = &astruct;
2768                         # }
2769                         # gcc -fPIC --shared -o libfoo.so foo.c
2770                         # yields:
2771                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2772                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2773                         have_visibility_hidden=no
2774                         sgen_supported=true
2775                         ;;
2776                   mingw*|cygwin*)
2777                         sgen_supported=true
2778                         have_visibility_hidden=no                 
2779                         ;;
2780                   haiku*)
2781                         LIBC=libroot.so
2782                         ;;
2783                   linux*)
2784                         sgen_supported=true
2785                         AOT_SUPPORTED="yes"
2786                         ;;
2787                   darwin*)
2788                         sgen_supported=true
2789                         AOT_SUPPORTED="yes"
2790                         ;;
2791                   openbsd*|freebsd*|kfreebsd-gnu*)
2792                         sgen_supported=true
2793                         ;;
2794                 esac
2795                 ;;
2796         x86_64-*-* | amd64-*-*)
2797                 TARGET=AMD64;
2798                 arch_target=amd64;
2799                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2800                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2801                         sizeof_register=8
2802                 fi
2803                 case $host_os in
2804                   linux*)
2805                         sgen_supported=true
2806                         AOT_SUPPORTED="yes"
2807                         ;;
2808                   darwin*)
2809                         sgen_supported=true
2810                         AOT_SUPPORTED="yes"
2811                         ;;
2812                   openbsd*|freebsd*|kfreebsd-gnu*)
2813                         sgen_supported=true
2814                         ;;
2815                   mingw*)
2816                         sgen_supported=true
2817                         ;;
2818                 esac
2819                 case "$host" in
2820                         x86_64-*-nacl*)
2821                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2822                                 sizeof_register=8
2823                                 ;;
2824                 esac
2825                 ;;
2826         ia64-*-*)
2827                 TARGET=IA64
2828                 arch_target=ia64
2829                 ACCESS_UNALIGNED="no"
2830                 LIBC="libc.so.6.1"
2831                 INTL="libc.so.6.1"
2832                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2833                 libmono_ldflags="-lunwind"
2834                 ;;
2835         sparc*-*-*)
2836                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2837                    TARGET=SPARC64
2838                 else
2839                         TARGET=SPARC
2840                 fi
2841                 arch_target=sparc;
2842                 ACCESS_UNALIGNED="no"
2843                 case $host_os in
2844                   linux*) ;;
2845                   *)
2846                         LIBC="libc.so"
2847                         INTL="libintl.so"
2848                 esac
2849                 if test x"$GCC" = xyes; then
2850                         # We don't support v8 cpus
2851                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2852                 fi
2853                 if test x"$AR" = xfalse; then
2854                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2855                 fi
2856                 sgen_supported=true
2857                 ;;
2858         *-mingw*|*-*-cygwin*)
2859                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2860                 have_visibility_hidden=no
2861                 INTL="intl"
2862                 ;;
2863         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2864         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2865                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2866                         TARGET=POWERPC64;
2867                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2868                         CFLAGS="$CFLAGS -mminimal-toc"
2869                 else
2870                         TARGET=POWERPC;
2871                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2872                 fi
2873                 arch_target=ppc;
2874                 case $host_os in
2875                   linux*|darwin*)
2876                         sgen_supported=true
2877                         ;;
2878                 esac
2879                 ;;
2880         arm*-darwin*)
2881                 TARGET=ARM;
2882                 arch_target=arm;
2883                 ACCESS_UNALIGNED="no"
2884                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2885                 sgen_supported=true
2886                 ;;
2887         arm*-linux*)
2888                 TARGET=ARM;
2889                 arch_target=arm;
2890                 ACCESS_UNALIGNED="no"
2891                 sgen_supported=true
2892                 AOT_SUPPORTED="yes"
2893                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2894                 ;;
2895 # TODO: make proper support for NaCl host.
2896 #        arm*-*nacl)
2897 #               TARGET=ARM;
2898 #               arch_target=arm;
2899 #               ACCESS_UNALIGNED="no"
2900 #               sgen_supported=true
2901 #               AOT_SUPPORTED="no"
2902 #               ;;
2903         aarch64-*)
2904                 # https://lkml.org/lkml/2012/7/15/133
2905                 TARGET=ARM64
2906                 arch_target=arm64
2907                 sgen_supported=true
2908                 boehm_supported=false
2909                 ;;
2910         s390x-*-linux*)
2911                 TARGET=S390X;
2912                 arch_target=s390x;
2913                 ACCESS_UNALIGNED="yes"
2914                 sgen_supported=true
2915                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2916                 ;;
2917 esac
2918
2919 HOST=$TARGET
2920
2921 if test "x$host" != "x$target"; then
2922    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2923    enable_mcs_build=no
2924    case "$target" in
2925    arm*-darwin*)
2926                 TARGET=ARM;
2927                 arch_target=arm;
2928                 ACCESS_UNALIGNED="no"
2929                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2930                 # Can't use tls, since it depends on the runtime detection of tls offsets
2931                 # in mono-compiler.h
2932                 with_tls=pthread
2933                 ;;
2934    powerpc64-ps3-linux-gnu)
2935                 TARGET=POWERPC64
2936                 arch_target=powerpc64
2937                 AC_DEFINE(TARGET_PS3, 1, [...])
2938                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2939                 # uses this define
2940                 AC_DEFINE(__mono_ppc64__, 1, [...])
2941                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2942                 sizeof_register=8
2943                 target_byte_order=G_BIG_ENDIAN
2944                 ;;
2945    powerpc64-xbox360-linux-gnu)
2946                 TARGET=POWERPC64
2947                 arch_target=powerpc64
2948                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2949                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2950                 # uses this define
2951                 sizeof_register=8
2952                 target_byte_order=G_BIG_ENDIAN
2953                 ;;
2954    x86_64-*-nacl)
2955                 TARGET=AMD64
2956                 arch_target=amd64
2957                 AC_DEFINE(TARGET_AMD64, 1, [...])
2958                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2959                 sizeof_register=8
2960                 ;;
2961 # TODO: make proper support for NaCl target.
2962 #   arm*-*nacl)
2963 #               TARGET=ARM
2964 #               arch_target=arm
2965 #               AC_DEFINE(TARGET_ARM, 1, [...])
2966 #               ACCESS_UNALIGNED="no"
2967 #               sizeof_register=4
2968 #               CPPFLAGS="$CPPFLAGS \
2969 #                    -D__ARM_EABI__ \
2970 #                    -D__arm__ \
2971 #                    -D__portable_native_client__ \
2972 #                    -Dtimezone=_timezone \
2973 #                    -DDISABLE_SOCKETS \
2974 #                    -DDISABLE_ATTACH \
2975 #                    -DUSE_NEWLIB"
2976                 # Can't use tls, since it depends on the runtime detection of tls offsets
2977                 # in mono-compiler.h
2978 #               with_tls=pthread
2979 #               ;;
2980    i686-*-nacl)
2981                 TARGET=X86
2982                 arch_target=x86
2983                 AC_DEFINE(TARGET_X86, 1, [...])
2984                 sizeof_register=4
2985                 ;;
2986    arm*-linux-*)
2987                 TARGET=ARM;
2988                 arch_target=arm;
2989                 AC_DEFINE(TARGET_ARM, 1, [...])
2990                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2991                 ACCESS_UNALIGNED="no"
2992                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2993                 # Can't use tls, since it depends on the runtime detection of tls offsets
2994                 # in mono-compiler.h
2995                 with_tls=pthread
2996                 target_mach=no
2997                 case "$target" in
2998                 armv7l-unknown-linux-gnueabi*)
2999                         # TEGRA
3000                         CPPFLAGS="$CPPFLAGS"
3001                         ;;
3002                 armv5-*-linux-androideabi*)
3003                         CPPFLAGS="$CPPFLAGS"
3004                         ;;
3005                 esac
3006                 ;;
3007    i686*-linux-*)
3008                 TARGET=X86;
3009                 arch_target=x86;
3010                 AC_DEFINE(TARGET_X86, 1, [...])
3011                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3012                 CPPFLAGS="$CPPFLAGS"
3013                 sgen_supported=true
3014                 # Can't use tls, since it depends on the runtime detection of tls offsets
3015                 # in mono-compiler.h            
3016                 with_tls=pthread
3017                 target_mach=no
3018                 ;;
3019    x86_64*-linux-*)
3020                 TARGET=AMD64;
3021                 arch_target=amd64;
3022                 AC_DEFINE(TARGET_AMD64, 1, [...])
3023                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3024                 CPPFLAGS="$CPPFLAGS"
3025                 sgen_supported=true
3026                 # Can't use tls, since it depends on the runtime detection of tls offsets
3027                 # in mono-compiler.h
3028                 with_tls=pthread
3029                 target_mach=no
3030                 ;;
3031    x86_64-ps4-freebsd)
3032                 TARGET=AMD64;
3033                 arch_target=amd64;
3034                 AC_DEFINE(TARGET_AMD64, 1, [...])
3035                 AC_DEFINE(TARGET_PS4, 1, [...])
3036                 CPPFLAGS="$CPPFLAGS"
3037                 sgen_supported=true
3038                 # Can't use tls, since it depends on the runtime detection of tls offsets
3039                 # in mono-compiler.h
3040                 with_tls=pthread
3041                 target_mach=no
3042                 target_win32=no
3043                 ;;
3044    aarch64*-linux-*)
3045                 TARGET=ARM64;
3046                 arch_target=arm64;
3047                 AC_DEFINE(TARGET_ARM64, 1, [...])
3048                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3049                 CPPFLAGS="$CPPFLAGS"
3050                 # Can't use tls, since it depends on the runtime detection of tls offsets
3051                 # in mono-compiler.h
3052                 with_tls=pthread
3053                 target_mach=no
3054                 ;;
3055         aarch64-*)
3056                 TARGET=ARM64
3057                 ;;
3058         *)
3059                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3060         esac
3061 fi
3062
3063 case "$TARGET" in
3064 X86)
3065         AC_DEFINE(TARGET_X86, 1, [...])
3066         ;;
3067 AMD64)
3068         AC_DEFINE(TARGET_AMD64, 1, [...])
3069         ;;
3070 ARM)
3071         AC_DEFINE(TARGET_ARM, 1, [...])
3072         ;;
3073 ARM64)
3074         AC_DEFINE(TARGET_ARM64, 1, [...])
3075         ;;
3076 POWERPC)
3077         AC_DEFINE(TARGET_POWERPC, 1, [...])
3078         ;;
3079 POWERPC64)
3080         AC_DEFINE(TARGET_POWERPC, 1, [...])
3081         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3082         ;;
3083 S390X)
3084         AC_DEFINE(TARGET_S390X, 1, [...])
3085         ;;
3086 MIPS)
3087         AC_DEFINE(TARGET_MIPS, 1, [...])
3088         ;;
3089 IA64)
3090         AC_DEFINE(TARGET_IA64, 1, [...])
3091         ;;
3092 SPARC)
3093         AC_DEFINE(TARGET_SPARC, 1, [...])
3094         ;;
3095 SPARC64)
3096         AC_DEFINE(TARGET_SPARC64, 1, [...])
3097         ;;
3098 esac
3099
3100 dnl *************
3101 dnl *** VTUNE ***
3102 dnl *************
3103
3104 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3105 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3106
3107 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3108
3109 if test "x$enable_vtune" = "xyes"; then
3110         if test "x$with_vtune" = "x"; then
3111                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3112         else
3113                 VTUNE_PATH=$with_vtune
3114         fi
3115         VTUNE_INCLUDE=$VTUNE_PATH/include
3116         case "$TARGET" in
3117         X86)
3118                 VTUNE_LIB=$VTUNE_PATH/lib32
3119                 ;;
3120         AMD64)
3121                 VTUNE_LIB=$VTUNE_PATH/lib64
3122                 ;;
3123         *)
3124                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3125                 ;;
3126         esac
3127         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3128                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3129         fi
3130         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3131                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3132         fi
3133
3134         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3135         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3136
3137         AC_SUBST(VTUNE_LIBS)
3138         AC_SUBST(VTUNE_CFLAGS)
3139 fi
3140 dnl Use GCC atomic ops if they work on the target.
3141 if test x$GCC = "xyes"; then
3142         case $TARGET in
3143         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3144                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3145                 ;;
3146         esac
3147 fi
3148
3149 if test "x$target_mach" = "xyes"; then
3150    if test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3151           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3152           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3153           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3154    else
3155        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3156        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3157        #error fail this for ios
3158        #endif
3159        return 0;
3160        ], [
3161                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3162           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3163           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3164        ], [
3165           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3166           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3167           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3168        ])
3169         fi
3170    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3171 fi
3172
3173 if test "x$sizeof_register" = "x4"; then
3174    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3175 elif test "x$sizeof_register" = "x8"; then
3176    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3177 else
3178    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3179 fi
3180
3181 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3182    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3183 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3184    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3185 else
3186    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3187 fi
3188
3189 if test "x$have_visibility_hidden" = "xyes"; then
3190    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3191 fi
3192
3193 if test "x$have_deprecated" = "xyes"; then
3194    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3195 fi
3196
3197 dnl 
3198 dnl Simple Generational checks (sgen)
3199 dnl
3200 if $sgen_supported; then
3201    build_sgen_default=yes
3202 else
3203    build_sgen_default=no
3204 fi
3205 SGEN_DEFINES=
3206 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
3207 if test x$buildsgen = xyes; then
3208    if $sgen_supported; then
3209        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
3210        gc_msg="sgen and $gc_msg"
3211    else
3212        buildsgen=no
3213        AC_MSG_WARN("Sgen is not supported on this platform")
3214    fi
3215 fi
3216 AC_SUBST(SGEN_DEFINES)
3217 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3218
3219 jit_status="Building and using the JIT"
3220
3221 libsuffix=".so"
3222
3223 case "$host" in
3224      *-*-darwin*)
3225         libsuffix=".dylib"
3226         LIBC="libc.dylib"
3227         INTL="libintl.dylib"
3228         SQLITE="libsqlite.0.dylib"
3229         SQLITE3="libsqlite3.0.dylib"
3230         X11="libX11.dylib"
3231         GDKX11="libgdk-x11-2.0.dylib"
3232         GTKX11="libgtk-x11-2.0.dylib"
3233         ;;
3234      *-*-*netbsd*)
3235         LIBC="libc.so.12"
3236         INTL="libintl.so.0"
3237         ;;
3238      *-*-kfreebsd*-gnu)
3239         LIBC="libc.so.0.1"
3240         INTL="libc.so.0.1"
3241         X11="libX11.so.6"
3242         ;;
3243     *-*-*freebsd*)
3244         LIBC="libc.so.7"
3245         INTL="libintl.so"
3246         SQLITE="libsqlite.so"
3247         SQLITE3="libsqlite3.so"
3248         ;;
3249     *-*-*openbsd*)
3250         LIBC="libc.so"
3251         INTL="libintl.so"
3252         SQLITE="libsqlite.so"
3253         SQLITE3="libsqlite3.so"
3254         ;;
3255     *-*-*linux*)
3256         AC_PATH_X
3257         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3258         AC_MSG_CHECKING(for the soname of libX11.so)
3259         for i in $x_libraries $dlsearch_path; do
3260                 for r in 4 5 6; do
3261                         if test -f $i/libX11.so.$r; then
3262                                 X11=libX11.so.$r
3263                                 AC_MSG_RESULT($X11)
3264                         fi
3265                 done
3266         done
3267         
3268         if test "x$X11" = "xlibX11.so"; then
3269                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3270                 X11=libX11.so.6
3271         fi
3272         ;;
3273 esac
3274
3275
3276 AC_SUBST(libsuffix)
3277
3278 AC_ARG_WITH([libgdiplus],
3279         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3280         [], [with_libgdiplus=installed])
3281
3282 # default install location
3283 libgdiplus_install_loc=libgdiplus${libsuffix}
3284 case $with_libgdiplus in
3285     no|installed)
3286     libgdiplus_loc=
3287     ;;
3288
3289     yes|sibling)
3290     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3291     ;;
3292
3293     /*) # absolute path, assume it is an install location
3294     libgdiplus_loc=$with_libgdiplus
3295     libgdiplus_install_loc=$with_libgdiplus
3296     ;;
3297
3298     *)
3299     libgdiplus_loc=`pwd`/$with_libgdiplus
3300     ;;
3301 esac
3302 AC_SUBST([libgdiplus_loc])
3303 AC_SUBST([libgdiplus_install_loc])
3304
3305 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3306 if test "x$icall_symbol_map" = "xyes"; then
3307    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3308 fi
3309
3310 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3311 if test "x$icall_export" = "xyes"; then
3312    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3313 fi
3314
3315 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3316 if test "x$icall_tables" = "xno"; then
3317    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3318 fi
3319
3320 if test "x$with_tls" = "x__thread"; then
3321         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3322         # Pass the information to libgc
3323         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3324         AC_MSG_CHECKING(if the tls_model attribute is supported)
3325         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3326                 ], [
3327                         AC_MSG_RESULT(yes)
3328                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3329                 ], [
3330                         AC_MSG_RESULT(no)
3331         ])
3332 fi
3333
3334 if test ${TARGET} = ARM; then
3335         dnl ******************************************
3336         dnl *** Check to see what FPU is available ***
3337         dnl ******************************************
3338         AC_MSG_CHECKING(which FPU to use)
3339
3340         #
3341         # This is a bit tricky:
3342         #
3343         # if (__ARM_PCS_VFP) {
3344         #       /* mfloat-abi=hard == VFP with hard ABI */
3345         # } elif (!__SOFTFP__) {
3346         #       /* mfloat-abi=softfp == VFP with soft ABI */
3347         # } else {
3348         #       /* mfloat-abi=soft == no VFP */
3349         # }
3350         #
3351         # The exception is iOS (w/ GCC) where none of the above
3352         # are defined (but iOS always uses the 'softfp' ABI).
3353         #
3354         # No support for FPA.
3355         #
3356
3357         fpu=NONE
3358
3359         # iOS GCC always uses the 'softfp' ABI.
3360         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3361                 fpu=VFP
3362         fi
3363
3364         # Are we using the 'hard' ABI?
3365         if test x$fpu = xNONE; then
3366                 AC_TRY_COMPILE([], [
3367                         #ifndef __ARM_PCS_VFP
3368                         #error "Float ABI is not 'hard'"
3369                         #endif
3370                         return 0;
3371                 ], [
3372                         fpu=VFP_HARD
3373                 ], [
3374                         fpu=NONE
3375                 ])
3376         fi
3377
3378         # No 'hard' ABI. 'soft' or 'softfp'?
3379         if test x$fpu = xNONE; then
3380                 AC_TRY_COMPILE([], [
3381                         #ifdef __SOFTFP__
3382                         #error "Float ABI is not 'softfp'"
3383                         #endif
3384                         return 0;
3385                 ], [
3386                         fpu=VFP
3387                 ], [
3388                         fpu=NONE
3389                 ])
3390         fi
3391
3392         AC_MSG_RESULT($fpu)
3393         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3394         unset fpu
3395
3396         dnl *********************************************
3397         dnl *** Check which ARM version(s) we can use ***
3398         dnl *********************************************
3399         AC_MSG_CHECKING(which ARM version to use)
3400
3401         AC_TRY_COMPILE([], [
3402                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3403                 #error Not on ARM v5.
3404                 #endif
3405                 return 0;
3406         ], [
3407                 arm_v5=yes
3408
3409                 arm_ver=ARMv5
3410         ], [])
3411
3412         AC_TRY_COMPILE([], [
3413                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3414                 #error Not on ARM v6.
3415                 #endif
3416                 return 0;
3417         ], [
3418                 arm_v5=yes
3419                 arm_v6=yes
3420
3421                 arm_ver=ARMv6
3422         ], [])
3423
3424         AC_TRY_COMPILE([], [
3425                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3426                 #error Not on ARM v7.
3427                 #endif
3428                 return 0;
3429         ], [
3430                 arm_v5=yes
3431                 arm_v6=yes
3432                 arm_v7=yes
3433
3434                 arm_ver=ARMv7
3435         ], [])
3436
3437         AC_MSG_RESULT($arm_ver)
3438
3439         if test x$arm_v5 = xyes; then
3440                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3441                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3442         fi
3443
3444         if test x$arm_v6 = xyes; then
3445                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3446                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3447         fi
3448
3449         if test x$arm_v7 = xyes; then
3450                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3451                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3452         fi
3453 fi
3454
3455 if test ${TARGET} = ARM; then
3456         if test "x${with_jumptables}" = "xyes"; then
3457                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3458         fi
3459 fi
3460
3461 if test ${TARGET} = unknown; then
3462         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3463         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3464 fi
3465
3466 if test ${ACCESS_UNALIGNED} = no; then
3467         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3468 fi
3469
3470 case "x$libgc" in
3471         xincluded)
3472                 # Pass CPPFLAGS to libgc configure
3473                 # We should use a separate variable for this to avoid passing useless and
3474                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3475                 # This should be executed late so we pick up the final version of CPPFLAGS
3476                 # The problem with this approach, is that during a reconfigure, the main
3477                 # configure scripts gets invoked with these arguments, so we use separate
3478                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3479                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3480                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3481                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3482                 fi
3483                 # Don't pass -finstrument-for-thread-suspension in, 
3484                 # if these are instrumented it will be very bad news 
3485                 # (infinite recursion, undefined parking behavior, etc)
3486                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3487                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3488                 if test "x$support_boehm" = "xyes"; then
3489                         AC_CONFIG_SUBDIRS(libgc)
3490                 fi
3491                 ;;
3492 esac
3493
3494 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])
3495 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3496 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no         If you want to build the Xamarin.iOS assemblies (defaults to no)],   [], [with_monotouch=no])
3497 AC_ARG_WITH(xammac,    [  --with-xammac=yes,no            If you want to build the Xamarin.Mac assemblies (defaults to no)],   [], [with_xammac=no])
3498
3499 OPROFILE=no
3500 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3501         if test x$with_oprofile != xno; then
3502             oprofile_include=$with_oprofile/include
3503             if test ! -f $oprofile_include/opagent.h; then
3504                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3505                 fi
3506             OPROFILE=yes
3507                 OPROFILE_CFLAGS="-I$oprofile_include"
3508             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3509             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3510         fi
3511 ])
3512
3513 MALLOC_MEMPOOLS=no
3514 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3515         if test x$with_malloc_mempools = xyes; then
3516                 MALLOC_MEMPOOLS=yes
3517                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3518         fi
3519 ])
3520
3521
3522 DISABLE_MCS_DOCS=no
3523 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3524         if test x$with_mcs_docs != xyes; then
3525                 DISABLE_MCS_DOCS=yes
3526         fi
3527 ])
3528 if test x$with_profile4_5 != xyes; then
3529         DISABLE_MCS_DOCS=yes
3530 fi
3531
3532 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)],[
3533         if test x$with_lazy_gc_thread_creation != xno ; then
3534                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3535         fi
3536 ], [with_lazy_gc_thread_creation=no])
3537
3538 AC_ARG_WITH(cooperative_gc, [  --with-cooperative-gc=yes|no      Enable cooperative stop-the-world garbage collection (sgen only) (defaults to no)],[
3539         if test x$with_cooperative_gc != xno ; then
3540                 AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3541         fi
3542 ], [with_cooperative_gc=no])
3543
3544 AC_CHECK_HEADER([malloc.h], 
3545                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3546                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3547
3548 if test x"$GCC" = xyes; then
3549         # Implicit function declarations are not 64 bit safe
3550         # Do this late, since this causes lots of configure tests to fail
3551         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3552         # jay has a lot of implicit declarations
3553         JAY_CFLAGS="-Wno-implicit-function-declaration"
3554 fi
3555
3556 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3557 # instead of libmono-static.a
3558 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3559    LIBMONO_LA=libmini-static.la
3560 else
3561    if test x$buildsgen = xyes; then
3562       LIBMONO_LA=libmonosgen-$API_VER.la
3563    else
3564       LIBMONO_LA=libmonoboehm-$API_VER.la
3565    fi
3566 fi
3567 AC_SUBST(LIBMONO_LA)
3568
3569 dnl
3570 dnl Consistency settings
3571 dnl
3572 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3573    DISABLE_MCS_DOCS=yes
3574    with_profile4_5=no
3575    with_monodroid=no
3576    with_monotouch=no
3577    with_xammac=no
3578 fi
3579
3580 if test x$DISABLE_MCS_DOCS = xyes; then
3581    docs_dir=""
3582 else
3583    docs_dir=docs
3584 fi
3585 AC_SUBST(docs_dir)
3586
3587 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3588 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3589
3590 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3591 AC_SUBST(OPROFILE_CFLAGS)
3592 AC_SUBST(OPROFILE_LIBS)
3593
3594 libmono_ldflags="$libmono_ldflags $LIBS"
3595
3596 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3597 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3598 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3599 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3600
3601 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3602 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3603 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3604 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3605 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3606 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3607 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3608 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3609 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3610 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3611 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3612 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3613 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3614 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3615 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3616 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3617 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3618 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3619
3620 AC_SUBST(LIBC)
3621 AC_SUBST(INTL)
3622 AC_SUBST(SQLITE)
3623 AC_SUBST(SQLITE3)
3624 AC_SUBST(X11)
3625 AC_SUBST(GDKX11)
3626 AC_SUBST(GTKX11)
3627 AC_SUBST(XINERAMA)
3628 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3629 AC_SUBST(arch_target)
3630 AC_SUBST(CFLAGS)
3631 AC_SUBST(CPPFLAGS)
3632 AC_SUBST(LDFLAGS)
3633
3634 mono_build_root=`pwd`
3635 AC_SUBST(mono_build_root)
3636
3637 mono_runtime=mono/mini/mono
3638 AC_SUBST(mono_runtime)
3639
3640 mono_cfg_root=$mono_build_root/runtime
3641 if test x$host_win32 = xyes; then
3642   if test "x$cross_compiling" = "xno"; then
3643     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3644   else
3645     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3646   fi
3647 else
3648   mono_cfg_dir=$mono_cfg_root/etc
3649 fi
3650 AC_SUBST(mono_cfg_dir)
3651
3652 AC_CONFIG_FILES([po/mcs/Makefile.in])
3653
3654 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3655 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3656
3657 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3658 [   depth=../../../..
3659     case $srcdir in
3660     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3661     .) reldir=$depth ;;
3662     *) reldir=$depth/$srcdir ;;
3663     esac
3664     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3665     cd runtime/etc/mono/1.0
3666     rm -f machine.config
3667     $LN_S $reldir/data/net_1_1/machine.config machine.config
3668     cd $depth
3669 ],[LN_S='$LN_S'])
3670
3671 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3672 [   depth=../../../..
3673     case $srcdir in
3674     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3675     .) reldir=$depth ;;
3676     *) reldir=$depth/$srcdir ;;
3677     esac
3678     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3679     cd runtime/etc/mono/2.0
3680     rm -f machine.config
3681     $LN_S $reldir/data/net_2_0/machine.config machine.config
3682     cd $depth
3683 ],[LN_S='$LN_S'])
3684
3685 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3686 [   depth=../../../..
3687     case $srcdir in
3688     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3689     .) reldir=$depth ;;
3690     *) reldir=$depth/$srcdir ;;
3691     esac
3692     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3693     cd runtime/etc/mono/2.0
3694     rm -f web.config
3695     $LN_S $reldir/data/net_2_0/web.config web.config
3696     cd $depth
3697 ],[LN_S='$LN_S'])
3698
3699 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3700 [   depth=../../..
3701     case $srcdir in
3702     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3703     .) reldir=$depth ;;
3704     *) reldir=$depth/$srcdir ;;
3705     esac
3706     $ac_aux_dir/install-sh -d runtime/etc/mono/
3707     cd runtime/etc/mono/
3708     rm -f browscap.ini
3709     $LN_S $reldir/data/browscap.ini browscap.ini
3710     cd $depth
3711 ],[LN_S='$LN_S'])
3712
3713 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3714 [   depth=../../../../..
3715     case $srcdir in
3716     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3717     .) reldir=$depth ;;
3718     *) reldir=$depth/$srcdir ;;
3719     esac
3720     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3721     cd runtime/etc/mono/2.0/Browsers
3722     rm -f Compat.browser
3723     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3724     cd $depth
3725 ],[LN_S='$LN_S'])
3726
3727 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3728 [   depth=../../../../..
3729     case $srcdir in
3730     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3731     .) reldir=$depth ;;
3732     *) reldir=$depth/$srcdir ;;
3733     esac
3734     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3735     cd runtime/etc/mono/4.0/Browsers
3736     rm -f Compat.browser
3737     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3738     cd $depth
3739 ],[LN_S='$LN_S'])
3740
3741 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3742 [   depth=../../../../..
3743     case $srcdir in
3744     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3745     .) reldir=$depth ;;
3746     *) reldir=$depth/$srcdir ;;
3747     esac
3748     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3749     cd runtime/etc/mono/4.5/Browsers
3750     rm -f Compat.browser
3751     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3752     cd $depth
3753 ],[LN_S='$LN_S'])
3754
3755 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3756 [   depth=../../../..
3757     case $srcdir in
3758     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3759     .) reldir=$depth ;;
3760     *) reldir=$depth/$srcdir ;;
3761     esac
3762     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3763     cd runtime/etc/mono/4.0
3764     rm -f machine.config
3765     $LN_S $reldir/data/net_4_0/machine.config machine.config
3766     cd $depth
3767 ],[LN_S='$LN_S'])
3768
3769 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3770 [   depth=../../../..
3771     case $srcdir in
3772     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3773     .) reldir=$depth ;;
3774     *) reldir=$depth/$srcdir ;;
3775     esac
3776     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3777     cd runtime/etc/mono/4.0
3778     rm -f web.config
3779     $LN_S $reldir/data/net_4_0/web.config web.config
3780     cd $depth
3781 ],[LN_S='$LN_S'])
3782
3783 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3784 [   depth=../../../..
3785     case $srcdir in
3786     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3787     .) reldir=$depth ;;
3788     *) reldir=$depth/$srcdir ;;
3789     esac
3790     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3791     cd runtime/etc/mono/4.5
3792     rm -f machine.config
3793     $LN_S $reldir/data/net_4_5/machine.config machine.config
3794     cd $depth
3795 ],[LN_S='$LN_S'])
3796
3797 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3798 [   depth=../../../..
3799     case $srcdir in
3800     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3801     .) reldir=$depth ;;
3802     *) reldir=$depth/$srcdir ;;
3803     esac
3804     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3805     cd runtime/etc/mono/4.5
3806     rm -f web.config
3807     $LN_S $reldir/data/net_4_5/web.config web.config
3808     cd $depth
3809 ],[LN_S='$LN_S'])
3810
3811 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])
3812 AC_CONFIG_COMMANDS([nolock-libtool], [sed -e 's/lock_old_archive_extraction=yes/lock_old_archive_extraction=no/g' < libtool > libtool.tmp && mv libtool.tmp libtool && chmod a+x libtool])
3813
3814 AC_OUTPUT([
3815 Makefile
3816 mono-uninstalled.pc
3817 scripts/mono-find-provides
3818 scripts/mono-find-requires
3819 mono/Makefile
3820 mono/utils/Makefile
3821 mono/metadata/Makefile
3822 mono/dis/Makefile
3823 mono/cil/Makefile
3824 mono/arch/Makefile
3825 mono/arch/x86/Makefile
3826 mono/arch/amd64/Makefile
3827 mono/arch/ppc/Makefile
3828 mono/arch/sparc/Makefile
3829 mono/arch/s390x/Makefile
3830 mono/arch/arm/Makefile
3831 mono/arch/arm64/Makefile
3832 mono/arch/ia64/Makefile
3833 mono/arch/mips/Makefile
3834 mono/sgen/Makefile
3835 mono/tests/Makefile
3836 mono/tests/tests-config
3837 mono/tests/assemblyresolve/Makefile
3838 mono/tests/gc-descriptors/Makefile
3839 mono/unit-tests/Makefile
3840 mono/benchmark/Makefile
3841 mono/io-layer/Makefile
3842 mono/mini/Makefile
3843 mono/profiler/Makefile
3844 m4/Makefile
3845 ikvm-native/Makefile
3846 scripts/Makefile
3847 man/Makefile
3848 docs/Makefile
3849 data/Makefile
3850 data/net_2_0/Makefile
3851 data/net_4_0/Makefile
3852 data/net_4_5/Makefile
3853 data/net_2_0/Browsers/Makefile
3854 data/net_4_0/Browsers/Makefile
3855 data/net_4_5/Browsers/Makefile
3856 data/mint.pc
3857 data/mono-2.pc
3858 data/monosgen-2.pc
3859 data/mono.pc
3860 data/mono-cairo.pc
3861 data/mono-nunit.pc
3862 data/mono-options.pc
3863 data/mono-lineeditor.pc
3864 data/monodoc.pc
3865 data/dotnet.pc
3866 data/dotnet35.pc
3867 data/wcf.pc
3868 data/cecil.pc
3869 data/system.web.extensions_1.0.pc
3870 data/system.web.extensions.design_1.0.pc
3871 data/system.web.mvc.pc
3872 data/system.web.mvc2.pc
3873 data/system.web.mvc3.pc
3874 data/aspnetwebstack.pc
3875 data/reactive.pc
3876 samples/Makefile
3877 support/Makefile
3878 data/config
3879 tools/Makefile
3880 tools/locale-builder/Makefile
3881 tools/sgen/Makefile
3882 tools/monograph/Makefile
3883 runtime/Makefile
3884 msvc/Makefile
3885 po/Makefile
3886 ])
3887
3888 # Update all submodules recursively to ensure everything is checked out
3889 $srcdir/scripts/update_submodules
3890
3891 if test x$host_win32 = xyes; then
3892    # Get rid of 'cyg' prefixes in library names
3893    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3894    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3895    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3896    # executable doesn't work...
3897    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3898 fi
3899
3900 if test x$platform_darwin = xyes; then
3901    # This doesn't seem to be required and it slows down parallel builds
3902    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3903 fi
3904
3905 (
3906   case $prefix in
3907   NONE) prefix=$ac_default_prefix ;;
3908   esac
3909   case $exec_prefix in
3910   NONE) exec_prefix='${prefix}' ;;
3911   esac
3912
3913   #
3914   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3915   # any existing config.make.  This allows people to share the same source tree
3916   # with different build directories, one native and one cross
3917   #
3918   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3919
3920     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3921
3922     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3923     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3924     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3925     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3926     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3927     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3928     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3929     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3930
3931     case $INSTALL in
3932     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3933     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3934     esac
3935
3936     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3937
3938     export VERSION
3939     [myver=$($AWK 'BEGIN {
3940       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3941       if(length(vsplit [1]) > 4) {
3942         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3943       }
3944       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3945     }')]
3946
3947     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3948
3949     if test x$platform_darwin = xyes; then
3950       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3951     fi
3952
3953         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3954            enable_system_aot=yes
3955         fi
3956
3957     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3958       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3959     fi
3960
3961     if test x$DISABLE_MCS_DOCS = xyes; then
3962       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3963     fi
3964
3965     if test x$has_extension_module != xno; then
3966         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3967     fi
3968
3969         default_profile=net_4_5
3970     if test -z "$INSTALL_MONODROID_TRUE"; then :
3971                 default_profile=monodroid
3972     fi
3973     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3974                 default_profile=monotouch
3975     fi
3976         if test -z "$INSTALL_XAMMAC_TRUE"; then :
3977                 default_profile=xammac
3978         fi
3979     if test -z "$INSTALL_4_5_TRUE"; then :
3980                 default_profile=net_4_5
3981     fi
3982     
3983     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3984     
3985     if test "x$test_bcl_opt" = "xyes"; then    
3986       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3987     fi
3988
3989   fi
3990
3991 )
3992
3993 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3994
3995 echo "
3996         mcs source:    $mcsdir
3997
3998    Engine:
3999         Host:          $host
4000         Target:        $target
4001         GC:            $gc_msg 
4002         TLS:           $with_tls
4003         SIGALTSTACK:   $with_sigaltstack
4004         Engine:        $jit_status
4005         oprofile:      $OPROFILE
4006         BigArrays:     $enable_big_arrays
4007         DTrace:        $enable_dtrace
4008         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4009
4010    Libraries:
4011         .NET 4.5:      $with_profile4_5
4012         MonoDroid:     $with_monodroid
4013         MonoTouch:     $with_monotouch
4014         Xamarin.Mac:   $with_xammac
4015         JNI support:   $jdk_headers_found
4016         libgdiplus:    $libgdiplus_msg
4017         zlib:          $zlib_msg
4018         $disabled
4019 "
4020 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4021    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4022 fi