Merge pull request #1857 from slluis/fix-assembly-resolver
[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="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
295                 libmono_cflags="-D_THREAD_SAFE"
296                 need_link_unlink=yes
297                 AC_DEFINE(PTHREAD_POINTER_ID)
298                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
299                 libdl=
300                 libgc_threads=pthreads
301                 has_dtrace=yes
302                 if test "x$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)
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
1180         AC_CHECK_FUNCS(sched_setaffinity)
1181         AC_CHECK_FUNCS(sched_getcpu)
1182
1183         dnl ****************************************************************
1184         dnl *** Check for sched_setaffinity from glibc versions before   ***
1185         dnl *** 2.3.4. The older versions of the function only take 2    ***
1186         dnl *** parameters, not 3.                                       ***
1187         dnl ***                                                          ***
1188         dnl *** Because the interface change was not made in a minor     ***
1189         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1190         dnl *** won't always indicate the interface sched_affinity has.  ***
1191         dnl ****************************************************************
1192         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1193         AC_TRY_COMPILE([#include <sched.h>], [
1194             int mask = 1; 
1195             sched_setaffinity(0, &mask);
1196                         return 0;
1197         ], [
1198                 # Yes, we have it...
1199                 AC_MSG_RESULT(yes)
1200                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1201         ], [
1202                 # We have the new, three-parameter version
1203                 AC_MSG_RESULT(no)
1204         ])
1205
1206
1207         dnl ******************************************************************
1208         dnl *** Check for large file support                               ***
1209         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1210         dnl ******************************************************************
1211         
1212         # Check that off_t can represent 2**63 - 1 correctly, working around
1213         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1214         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1215         large_offt=no
1216         AC_DEFUN([LARGE_FILES], [
1217                 large_CPPFLAGS=$CPPFLAGS
1218                 CPPFLAGS="$CPPFLAGS $1"
1219                 AC_TRY_COMPILE([
1220                         #include <sys/types.h>
1221                         #include <limits.h>
1222                 ], [
1223                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1224                         #define COMPILE_TIME_ASSERT(pred) \
1225                                 switch(0){case 0:case pred:;}
1226                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1227                 ], [
1228                         AC_MSG_RESULT(ok)
1229                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1230                         large_CPPFLAGS="$large_CPPFLAGS $1"
1231                         large_offt=yes
1232                 ], [
1233                         AC_MSG_RESULT(no)
1234                 ])
1235                 CPPFLAGS=$large_CPPFLAGS
1236         ])
1237
1238         AC_MSG_CHECKING(if off_t is 64 bits wide)
1239         LARGE_FILES("")
1240         if test $large_offt = no; then
1241                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1242                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1243         fi
1244         if test $large_offt = no; then
1245                 AC_MSG_WARN([No 64 bit file size support available])
1246         fi
1247         
1248         dnl *****************************
1249         dnl *** Checks for libsocket  ***
1250         dnl *****************************
1251         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1252
1253         case "$host" in
1254                 *-*-*freebsd*)
1255                         dnl *****************************
1256                         dnl *** Checks for libinotify ***
1257                         dnl *****************************
1258                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1259         esac
1260
1261         dnl *******************************
1262         dnl *** Checks for MSG_NOSIGNAL ***
1263         dnl *******************************
1264         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1265         AC_TRY_COMPILE([#include <sys/socket.h>], [
1266                 int f = MSG_NOSIGNAL;
1267         ], [
1268                 # Yes, we have it...
1269                 AC_MSG_RESULT(yes)
1270                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1271         ], [
1272                 # We'll have to use signals
1273                 AC_MSG_RESULT(no)
1274         ])
1275
1276         dnl *****************************
1277         dnl *** Checks for IPPROTO_IP ***
1278         dnl *****************************
1279         AC_MSG_CHECKING(for IPPROTO_IP)
1280         AC_TRY_COMPILE([#include <netinet/in.h>], [
1281                 int level = IPPROTO_IP;
1282         ], [
1283                 # Yes, we have it...
1284                 AC_MSG_RESULT(yes)
1285                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1286         ], [
1287                 # We'll have to use getprotobyname
1288                 AC_MSG_RESULT(no)
1289         ])
1290
1291         dnl *******************************
1292         dnl *** Checks for IPPROTO_IPV6 ***
1293         dnl *******************************
1294         AC_MSG_CHECKING(for IPPROTO_IPV6)
1295         AC_TRY_COMPILE([#include <netinet/in.h>], [
1296                 int level = IPPROTO_IPV6;
1297         ], [
1298                 # Yes, we have it...
1299                 AC_MSG_RESULT(yes)
1300                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1301         ], [
1302                 # We'll have to use getprotobyname
1303                 AC_MSG_RESULT(no)
1304         ])
1305
1306         dnl ******************************
1307         dnl *** Checks for IPPROTO_TCP ***
1308         dnl ******************************
1309         AC_MSG_CHECKING(for IPPROTO_TCP)
1310         AC_TRY_COMPILE([#include <netinet/in.h>], [
1311                 int level = IPPROTO_TCP;
1312         ], [
1313                 # Yes, we have it...
1314                 AC_MSG_RESULT(yes)
1315                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1316         ], [
1317                 # We'll have to use getprotobyname
1318                 AC_MSG_RESULT(no)
1319         ])
1320
1321         dnl *****************************
1322         dnl *** Checks for SOL_IP     ***
1323         dnl *****************************
1324         AC_MSG_CHECKING(for SOL_IP)
1325         AC_TRY_COMPILE([#include <netdb.h>], [
1326                 int level = SOL_IP;
1327         ], [
1328                 # Yes, we have it...
1329                 AC_MSG_RESULT(yes)
1330                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1331         ], [
1332                 # We'll have to use getprotobyname
1333                 AC_MSG_RESULT(no)
1334         ])
1335
1336         dnl *****************************
1337         dnl *** Checks for SOL_IPV6     ***
1338         dnl *****************************
1339         AC_MSG_CHECKING(for SOL_IPV6)
1340         AC_TRY_COMPILE([#include <netdb.h>], [
1341                 int level = SOL_IPV6;
1342         ], [
1343                 # Yes, we have it...
1344                 AC_MSG_RESULT(yes)
1345                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1346         ], [
1347                 # We'll have to use getprotobyname
1348                 AC_MSG_RESULT(no)
1349         ])
1350
1351         dnl *****************************
1352         dnl *** Checks for SOL_TCP    ***
1353         dnl *****************************
1354         AC_MSG_CHECKING(for SOL_TCP)
1355         AC_TRY_COMPILE([#include <netdb.h>], [
1356                 int level = SOL_TCP;
1357         ], [
1358                 # Yes, we have it...
1359                 AC_MSG_RESULT(yes)
1360                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1361         ], [
1362                 # We'll have to use getprotobyname
1363                 AC_MSG_RESULT(no)
1364         ])
1365
1366         dnl *****************************
1367         dnl *** Checks for IP_PKTINFO ***
1368         dnl *****************************
1369         AC_MSG_CHECKING(for IP_PKTINFO)
1370         AC_TRY_COMPILE([#include <linux/in.h>], [
1371                 int level = IP_PKTINFO;
1372         ], [
1373                 # Yes, we have it...
1374                 AC_MSG_RESULT(yes)
1375                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1376         ], [
1377                 AC_MSG_RESULT(no)
1378         ])
1379
1380         dnl *****************************
1381         dnl *** Checks for IPV6_PKTINFO ***
1382         dnl *****************************
1383         AC_MSG_CHECKING(for IPV6_PKTINFO)
1384         AC_TRY_COMPILE([#include <netdb.h>], [
1385                 int level = IPV6_PKTINFO;
1386         ], [
1387                 # Yes, we have it...
1388                 AC_MSG_RESULT(yes)
1389                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1390         ], [
1391                 AC_MSG_RESULT(no)
1392         ])
1393
1394         dnl **********************************
1395         dnl *** Checks for IP_DONTFRAG     ***
1396         dnl **********************************
1397         AC_MSG_CHECKING(for IP_DONTFRAG)
1398         AC_TRY_COMPILE([#include <netinet/in.h>], [
1399                 int level = IP_DONTFRAG;
1400         ], [
1401                 # Yes, we have it...
1402                 AC_MSG_RESULT(yes)
1403                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1404         ], [
1405                 AC_MSG_RESULT(no)
1406         ])
1407
1408         dnl **********************************
1409         dnl *** Checks for IP_DONTFRAGMENT ***
1410         dnl **********************************
1411         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1412         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1413                 int level = IP_DONTFRAGMENT;
1414         ], [
1415                 # Yes, we have it...
1416                 AC_MSG_RESULT(yes)
1417                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1418         ], [
1419                 AC_MSG_RESULT(no)
1420         ])
1421
1422         dnl **********************************
1423         dnl *** Checks for IP_MTU_DISCOVER ***
1424         dnl **********************************
1425         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1426         AC_TRY_COMPILE([#include <linux/in.h>], [
1427                 int level = IP_MTU_DISCOVER;
1428         ], [
1429                 # Yes, we have it...
1430                 AC_MSG_RESULT(yes)
1431                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1432         ], [
1433                 AC_MSG_RESULT(no)
1434         ])
1435
1436         dnl **********************************
1437         dnl *** Checks for  IP_PMTUDISC_DO ***
1438         dnl **********************************
1439         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1440         AC_TRY_COMPILE([#include <linux/in.h>], [
1441                 int level = IP_PMTUDISC_DO;
1442         ], [
1443                 # Yes, we have it...
1444                 AC_MSG_RESULT(yes)
1445                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1446         ], [
1447                 AC_MSG_RESULT(no)
1448         ])
1449
1450         dnl *********************************
1451         dnl *** Check for struct ip_mreqn ***
1452         dnl *********************************
1453         AC_MSG_CHECKING(for struct ip_mreqn)
1454         AC_TRY_COMPILE([#include <netinet/in.h>], [
1455                 struct ip_mreqn mreq;
1456                 mreq.imr_address.s_addr = 0;
1457         ], [
1458                 # Yes, we have it...
1459                 AC_MSG_RESULT(yes)
1460                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1461         ], [
1462                 # We'll just have to try and use struct ip_mreq
1463                 AC_MSG_RESULT(no)
1464                 AC_MSG_CHECKING(for struct ip_mreq)
1465                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1466                         struct ip_mreq mreq;
1467                         mreq.imr_interface.s_addr = 0;
1468                 ], [
1469                         # Yes, we have it...
1470                         AC_MSG_RESULT(yes)
1471                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1472                 ], [
1473                         # No multicast support
1474                         AC_MSG_RESULT(no)
1475                 ])
1476         ])
1477         
1478         dnl **********************************
1479         dnl *** Check for getaddrinfo ***
1480         dnl **********************************
1481         AC_MSG_CHECKING(for getaddrinfo)
1482                 AC_TRY_LINK([
1483                 #include <stdio.h>
1484                 #include <netdb.h>
1485         ], [
1486                 getaddrinfo(NULL,NULL,NULL,NULL);
1487         ], [
1488                 # Yes, we have it...
1489                 AC_MSG_RESULT(yes)
1490                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1491         ], [
1492                 AC_MSG_RESULT(no)
1493         ])
1494
1495         dnl **********************************
1496         dnl *** Check for gethostbyname2_r ***
1497         dnl **********************************
1498         AC_MSG_CHECKING(for gethostbyname2_r)
1499                 AC_TRY_LINK([
1500                 #include <stdio.h>
1501                 #include <netdb.h>
1502         ], [
1503
1504                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1505         ], [
1506                 # Yes, we have it...
1507                 AC_MSG_RESULT(yes)
1508                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1509         ], [
1510                 AC_MSG_RESULT(no)
1511         ])
1512
1513         dnl **********************************
1514         dnl *** Check for gethostbyname2 ***
1515         dnl **********************************
1516         AC_MSG_CHECKING(for gethostbyname2)
1517                 AC_TRY_LINK([
1518                 #include <stdio.h>
1519                 #include <netdb.h>
1520         ], [
1521                 gethostbyname2(NULL,0);
1522         ], [
1523                 # Yes, we have it...
1524                 AC_MSG_RESULT(yes)
1525                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1526         ], [
1527                 AC_MSG_RESULT(no)
1528         ])
1529
1530         dnl **********************************
1531         dnl *** Check for gethostbyname ***
1532         dnl **********************************
1533         AC_MSG_CHECKING(for gethostbyname)
1534                 AC_TRY_LINK([
1535                 #include <stdio.h>
1536                 #include <netdb.h>
1537         ], [
1538                 gethostbyname(NULL);
1539         ], [
1540                 # Yes, we have it...
1541                 AC_MSG_RESULT(yes)
1542                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1543         ], [
1544                 AC_MSG_RESULT(no)
1545         ])
1546
1547         dnl **********************************
1548         dnl *** Check for getprotobyname ***
1549         dnl **********************************
1550         AC_MSG_CHECKING(for getprotobyname)
1551                 AC_TRY_LINK([
1552                 #include <stdio.h>
1553                 #include <netdb.h>
1554         ], [
1555                 getprotobyname(NULL);
1556         ], [
1557                 # Yes, we have it...
1558                 AC_MSG_RESULT(yes)
1559                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1560         ], [
1561                 AC_MSG_RESULT(no)
1562         ])
1563
1564         dnl **********************************
1565         dnl *** Check for getnameinfo ***
1566         dnl **********************************
1567         AC_MSG_CHECKING(for getnameinfo)
1568                 AC_TRY_LINK([
1569                 #include <stdio.h>
1570                 #include <netdb.h>
1571         ], [
1572                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1573         ], [
1574                 # Yes, we have it...
1575                 AC_MSG_RESULT(yes)
1576                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1577         ], [
1578                 AC_MSG_RESULT(no)
1579         ])
1580
1581
1582         dnl **********************************
1583         dnl *** Check for inet_ntop ***
1584         dnl **********************************
1585         AC_MSG_CHECKING(for inet_ntop)
1586                 AC_TRY_LINK([
1587                 #include <stdio.h>
1588                 #include <arpa/inet.h>
1589         ], [
1590                 inet_ntop (0, NULL, NULL, 0);
1591         ], [
1592                 # Yes, we have it...
1593                 AC_MSG_RESULT(yes)
1594                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1595         ], [
1596                 AC_MSG_RESULT(no)
1597         ])
1598
1599         dnl *****************************
1600         dnl *** Checks for libnsl     ***
1601         dnl *****************************
1602         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1603
1604         AC_CHECK_FUNCS(inet_pton inet_aton)
1605
1606         dnl *****************************
1607         dnl *** Checks for libxnet    ***
1608         dnl *****************************
1609         case "${host}" in
1610                 *solaris* )
1611                         AC_MSG_CHECKING(for Solaris XPG4 support)
1612                         if test -f /usr/lib/libxnet.so; then
1613                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1614                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1615                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1616                                 LIBS="$LIBS -lxnet"
1617                                 AC_MSG_RESULT(yes)
1618                         else
1619                                 AC_MSG_RESULT(no)
1620                         fi
1621
1622                         if test "$GCC" = "yes"; then
1623                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1624                         fi
1625                 ;;
1626         esac
1627
1628         dnl *****************************
1629         dnl *** Checks for libpthread ***
1630         dnl *****************************
1631 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1632 # and libpthread does not exist
1633 #
1634         case "${host}" in
1635                 *-*-*freebsd*)
1636                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1637                 ;;
1638                 *-*-*openbsd*)
1639                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1640                 ;;
1641                 *)
1642                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1643                 ;;
1644         esac
1645         AC_CHECK_HEADERS(pthread.h)
1646         AC_CHECK_HEADERS(pthread_np.h)
1647         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1648         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1649         AC_CHECK_FUNCS(pthread_kill)
1650         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1651         AC_TRY_COMPILE([ #include <pthread.h>], [
1652                 pthread_mutexattr_t attr;
1653                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1654         ], [
1655                 AC_MSG_RESULT(ok)
1656         ], [
1657                 AC_MSG_RESULT(no)
1658                 AC_ERROR(Posix system lacks support for recursive mutexes)
1659         ])
1660         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1661         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1662         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1663
1664         dnl **********************************
1665         dnl *** Check for mincore ***
1666         dnl **********************************
1667         AC_MSG_CHECKING(for mincore)
1668                 AC_TRY_LINK([
1669                 #include <stdio.h>
1670                 #include <sys/types.h>
1671                 #include <sys/mman.h>
1672         ], [
1673                 mincore(NULL, 0, NULL);
1674         ], [
1675                 # Yes, we have it...
1676                 AC_MSG_RESULT(yes)
1677                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1678         ], [
1679                 AC_MSG_RESULT(no)
1680         ])
1681
1682         dnl ***********************************
1683         dnl *** Checks for working __thread ***
1684         dnl ***********************************
1685         AC_MSG_CHECKING(for working __thread)
1686         if test "x$with_tls" != "x__thread"; then
1687                 AC_MSG_RESULT(disabled)
1688         elif test "x$cross_compiling" = "xyes"; then
1689                 AC_MSG_RESULT(cross compiling, assuming yes)
1690         else
1691                 AC_TRY_RUN([
1692                         #if defined(__APPLE__) && defined(__clang__)
1693                         #error "__thread does not currently work with clang on Mac OS X"
1694                         #endif
1695                         
1696                         #include <pthread.h>
1697                         __thread int i;
1698                         static int res1, res2;
1699
1700                         void thread_main (void *arg)
1701                         {
1702                                 i = arg;
1703                                 sleep (1);
1704                                 if (arg == 1)
1705                                         res1 = (i == arg);
1706                                 else
1707                                         res2 = (i == arg);
1708                         }
1709
1710                         int main () {
1711                                 pthread_t t1, t2;
1712
1713                                 i = 5;
1714
1715                                 pthread_create (&t1, NULL, thread_main, 1);
1716                                 pthread_create (&t2, NULL, thread_main, 2);
1717
1718                                 pthread_join (t1, NULL);
1719                                 pthread_join (t2, NULL);
1720
1721                                 return !(res1 + res2 == 2);
1722                         }
1723                 ], [
1724                                 AC_MSG_RESULT(yes)
1725                 ], [
1726                                 AC_MSG_RESULT(no)
1727                                 with_tls=pthread
1728                 ])
1729         fi
1730
1731         dnl **************************************
1732         dnl *** Checks for working sigaltstack ***
1733         dnl **************************************
1734         AC_MSG_CHECKING(for working sigaltstack)
1735         if test "x$with_sigaltstack" != "xyes"; then
1736                 AC_MSG_RESULT(disabled)
1737         elif test "x$cross_compiling" = "xyes"; then
1738                 AC_MSG_RESULT(cross compiling, assuming yes)
1739         else
1740                 AC_TRY_RUN([
1741                         #include <stdio.h>
1742                         #include <stdlib.h>
1743                         #include <unistd.h>
1744                         #include <signal.h>
1745                         #include <pthread.h>
1746                         #include <sys/wait.h>
1747                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1748                         #define SA_STACK SA_ONSTACK
1749                         #endif
1750                         static void
1751                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1752                         {
1753                                 exit (0);
1754                         }
1755
1756                         volatile char*__ptr = NULL;
1757                         static void *
1758                         loop (void *ignored)
1759                         {
1760                                 *__ptr = 0;
1761                                 return NULL;
1762                         }
1763
1764                         static void
1765                         child ()
1766                         {
1767                                 struct sigaction sa;
1768                         #ifdef __APPLE__
1769                                 stack_t sas;
1770                         #else
1771                                 struct sigaltstack sas;
1772                         #endif
1773                                 pthread_t id;
1774                                 pthread_attr_t attr;
1775
1776                                 sa.sa_sigaction = sigsegv_signal_handler;
1777                                 sigemptyset (&sa.sa_mask);
1778                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1779                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1780                                         perror ("sigaction");
1781                                         return;
1782                                 }
1783
1784                                 /* x86 darwin deliver segfaults using SIGBUS */
1785                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1786                                         perror ("sigaction");
1787                                         return;
1788                                 }
1789                                 sas.ss_sp = malloc (SIGSTKSZ);
1790                                 sas.ss_size = SIGSTKSZ;
1791                                 sas.ss_flags = 0;
1792                                 if (sigaltstack (&sas, NULL) == -1) {
1793                                         perror ("sigaltstack");
1794                                         return;
1795                                 }
1796
1797                                 pthread_attr_init (&attr);
1798                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1799                                         printf ("pthread_create\n");
1800                                         return;
1801                                 }
1802
1803                                 sleep (100);
1804                         }
1805
1806                         int
1807                         main ()
1808                         {
1809                                 pid_t son;
1810                                 int status;
1811                                 int i;
1812
1813                                 son = fork ();
1814                                 if (son == -1) {
1815                                         return 1;
1816                                 }
1817
1818                                 if (son == 0) {
1819                                         child ();
1820                                         return 0;
1821                                 }
1822
1823                                 for (i = 0; i < 300; ++i) {
1824                                         waitpid (son, &status, WNOHANG);
1825                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1826                                                 return 0;
1827                                         usleep (10000);
1828                                 }
1829
1830                                 kill (son, SIGKILL);
1831                                 return 1;
1832                         }
1833
1834                 ], [
1835                                 AC_MSG_RESULT(yes)
1836                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1837                 ], [
1838                                 with_sigaltstack=no
1839                                 AC_MSG_RESULT(no)
1840                 ])
1841         fi
1842
1843         dnl ********************************
1844         dnl *** Checks for semaphore lib ***
1845         dnl ********************************
1846         # 'Real Time' functions on Solaris
1847         # posix4 on Solaris 2.6
1848         # pthread (first!) on Linux
1849         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1850
1851         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1852         AC_CHECK_FUNCS(shm_open)
1853
1854         dnl ********************************
1855         dnl *** Checks for timezone stuff **
1856         dnl ********************************
1857         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1858                 AC_TRY_COMPILE([
1859                         #include <time.h>
1860                         ], [
1861                         struct tm tm;
1862                         tm.tm_gmtoff = 1;
1863                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1864         if test $ac_cv_struct_tm_gmtoff = yes; then
1865                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1866         else
1867                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1868                         AC_TRY_COMPILE([
1869                                 #include <time.h>
1870                         ], [
1871                                 timezone = 1;
1872                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1873                 if test $ac_cv_var_timezone = yes; then
1874                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1875                 else
1876                         AC_ERROR(unable to find a way to determine timezone)
1877                 fi
1878         fi
1879
1880         dnl *********************************
1881         dnl *** Checks for math functions ***
1882         dnl *********************************
1883         AC_SEARCH_LIBS(sqrtf, m)
1884         if test "x$has_broken_apple_cpp" != "xyes"; then
1885                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1886                         AC_TRY_LINK([#include <math.h>], 
1887                         [ finite(0.0); ], 
1888                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1889                         AC_MSG_RESULT(no)))
1890         fi
1891         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1892                 AC_TRY_LINK([#include <math.h>], 
1893                 [ isfinite(0.0); ], 
1894                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1895                 AC_MSG_RESULT(no)))
1896
1897         dnl ****************************************************************
1898         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1899         dnl *** have it in the library (duh))                            ***
1900         dnl ****************************************************************
1901         AC_CHECK_FUNCS(poll)
1902
1903         dnl *************************
1904         dnl *** Check for signbit ***
1905         dnl *************************
1906         AC_MSG_CHECKING(for signbit)
1907         AC_TRY_LINK([#include <math.h>], [
1908                 int s = signbit(1.0);
1909         ], [
1910                 AC_MSG_RESULT(yes)
1911                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1912         ], [
1913                 AC_MSG_RESULT(no)
1914         ]) 
1915
1916         dnl **********************************
1917         dnl *** epoll                      ***
1918         dnl **********************************
1919         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1920                 AC_CHECK_HEADERS(sys/epoll.h)
1921                 haveepoll=no
1922                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1923                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1924                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1925                 fi
1926         fi
1927
1928         havekqueue=no
1929
1930         AC_CHECK_HEADERS(sys/event.h)
1931         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1932
1933         dnl **************************************
1934         dnl * Darwin has a race that prevents us from using reliably:
1935         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1936         dnl * Since kqueue is mostly used for scaling large web servers, 
1937         dnl * and very few folks run Mono on large web servers on OSX, falling
1938         dnl * back 
1939         dnl **************************************
1940         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1941                 if test "x$platform_darwin" = "xno"; then
1942                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1943                 fi
1944         fi
1945
1946         dnl ******************************
1947         dnl *** Checks for SIOCGIFCONF ***
1948         dnl ******************************
1949         AC_CHECK_HEADERS(sys/ioctl.h)
1950         AC_CHECK_HEADERS(net/if.h, [], [],
1951            [
1952            #ifdef HAVE_SYS_TYPES_H
1953            # include <sys/types.h>
1954            #endif
1955            #ifdef HAVE_SYS_SOCKET_H
1956            # include <sys/socket.h>
1957            #endif
1958            ])
1959         AC_MSG_CHECKING(for ifreq)
1960         AC_TRY_COMPILE([
1961                 #include <stdio.h>
1962                 #include <sys/ioctl.h>
1963                 #include <net/if.h>
1964                 ], [
1965                 struct ifconf ifc;
1966                 struct ifreq *ifr;
1967                 void *x;
1968                 ifc.ifc_len = 0;
1969                 ifc.ifc_buf = NULL;
1970                 x = (void *) &ifr->ifr_addr;
1971                 ],[
1972                         AC_MSG_RESULT(yes)
1973                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1974                 ], [
1975                         AC_MSG_RESULT(no)
1976                 ])
1977         dnl **********************************
1978         dnl ***     Checks for sin_len     ***
1979         dnl **********************************
1980         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1981         AC_TRY_COMPILE([
1982                 #include <netinet/in.h>
1983                 ], [
1984                 struct sockaddr_in saddr;
1985                 saddr.sin_len = sizeof (saddr);
1986                 ],[
1987                         AC_MSG_RESULT(yes)
1988                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1989                 ], [
1990                         AC_MSG_RESULT(no)
1991                 ])      
1992         dnl **********************************
1993         dnl ***    Checks for sin6_len     ***
1994         dnl **********************************
1995         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1996         AC_TRY_COMPILE([
1997                 #include <netinet/in.h>
1998                 ], [
1999                 struct sockaddr_in6 saddr6;
2000                 saddr6.sin6_len = sizeof (saddr6);
2001                 ],[
2002                         AC_MSG_RESULT(yes)
2003                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2004                 ], [
2005                         AC_MSG_RESULT(no)
2006                 ])
2007         dnl **********************************
2008         dnl *** Check for getifaddrs       ***
2009         dnl **********************************
2010         AC_MSG_CHECKING(for getifaddrs)
2011                 AC_TRY_LINK([
2012                 #include <stdio.h>
2013                 #include <sys/types.h>
2014                 #include <sys/socket.h>
2015                 #include <ifaddrs.h>
2016         ], [
2017                 getifaddrs(NULL);
2018         ], [
2019                 # Yes, we have it...
2020                 AC_MSG_RESULT(yes)
2021                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2022         ], [
2023                 AC_MSG_RESULT(no)
2024         ])
2025         dnl **********************************
2026         dnl *** Check for if_nametoindex   ***
2027         dnl **********************************
2028         AC_MSG_CHECKING(for if_nametoindex)
2029                 AC_TRY_LINK([
2030                 #include <stdio.h>
2031                 #include <sys/types.h>
2032                 #include <sys/socket.h>
2033                 #include <net/if.h>
2034         ], [
2035                 if_nametoindex(NULL);
2036         ], [
2037                 # Yes, we have it...
2038                 AC_MSG_RESULT(yes)
2039                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2040         ], [
2041                 AC_MSG_RESULT(no)
2042         ])
2043                         
2044         dnl **********************************
2045         dnl *** Checks for MonoPosixHelper ***
2046         dnl **********************************
2047         AC_CHECK_HEADERS(checklist.h)
2048         AC_CHECK_HEADERS(pathconf.h)
2049         AC_CHECK_HEADERS(fstab.h)
2050         AC_CHECK_HEADERS(attr/xattr.h)
2051         AC_CHECK_HEADERS(sys/extattr.h)
2052         AC_CHECK_HEADERS(sys/sendfile.h)
2053         AC_CHECK_HEADERS(sys/statvfs.h)
2054         AC_CHECK_HEADERS(sys/statfs.h)
2055         AC_CHECK_HEADERS(sys/vfstab.h)
2056         AC_CHECK_HEADERS(sys/xattr.h)
2057         AC_CHECK_HEADERS(sys/mman.h)
2058         AC_CHECK_HEADERS(sys/param.h)
2059         AC_CHECK_HEADERS(sys/mount.h, [], [],
2060                 [
2061                 #ifdef HAVE_SYS_PARAM_H
2062                 # include <sys/param.h>
2063                 #endif
2064                 ])
2065         AC_CHECK_HEADERS(sys/mount.h)
2066         AC_CHECK_FUNCS(confstr)
2067         AC_CHECK_FUNCS(seekdir telldir)
2068         AC_CHECK_FUNCS(getdomainname)
2069         AC_CHECK_FUNCS(setdomainname)
2070         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2071         AC_CHECK_FUNCS(setgroups)
2072         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2073         AC_CHECK_FUNCS(getfsstat)
2074         AC_CHECK_FUNCS(lutimes futimes)
2075         AC_CHECK_FUNCS(mremap)
2076         AC_CHECK_FUNCS(remap_file_pages)
2077         AC_CHECK_FUNCS(posix_fadvise)
2078         AC_CHECK_FUNCS(posix_fallocate)
2079         AC_CHECK_FUNCS(posix_madvise)
2080         AC_CHECK_FUNCS(vsnprintf)
2081         AC_CHECK_FUNCS(sendfile)
2082         AC_CHECK_FUNCS(gethostid sethostid)
2083         AC_CHECK_FUNCS(sethostname)
2084         AC_CHECK_FUNCS(statfs)
2085         AC_CHECK_FUNCS(fstatfs)
2086         AC_CHECK_FUNCS(statvfs)
2087         AC_CHECK_FUNCS(fstatvfs)
2088         AC_CHECK_FUNCS(stime)
2089         AC_CHECK_FUNCS(strerror_r)
2090         AC_CHECK_FUNCS(ttyname_r)
2091         AC_CHECK_FUNCS(psignal)
2092         AC_CHECK_FUNCS(getlogin_r)
2093         AC_CHECK_FUNCS(lockf)
2094         AC_CHECK_FUNCS(swab)
2095         AC_CHECK_FUNCS(setusershell endusershell)
2096         AC_CHECK_FUNCS(futimens utimensat)
2097         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2098         AC_CHECK_FUNCS(readv writev preadv pwritev)
2099         AC_CHECK_FUNCS(setpgid)
2100         AC_CHECK_SIZEOF(size_t)
2101         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2102                 [#include <sys/types.h>
2103                  #include <sys/stat.h>
2104                  #include <unistd.h>])
2105         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2106                 [#include <sys/types.h>
2107                  #include <sys/stat.h>
2108                  #include <unistd.h>])
2109         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2110                 [#include <sys/time.h>])
2111         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2112                 [#include <unistd.h>
2113                  #include <fcntl.h>])
2114         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2115                 [#include <sys/uio.h>])
2116         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2117                 [#include <sys/poll.h>])
2118         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2119                 [#include <sys/types.h>
2120                  #include <sys/stat.h>
2121                  #include <unistd.h>])
2122         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2123                 [#include <time.h>])
2124         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2125                 [#include <sys/time.h>
2126                  #include <sys/types.h>
2127                  #include <utime.h>])
2128         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2129                 [#include <sys/time.h>])
2130         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2131                 [#include <sys/types.h>
2132                  #include <utime.h>])
2133         AC_CHECK_MEMBERS(
2134                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2135                 [#include <sys/types.h>
2136                  #include <dirent.h>])
2137         AC_CHECK_MEMBERS(
2138                 [struct passwd.pw_gecos],,, 
2139                 [#include <sys/types.h>
2140                  #include <pwd.h>])
2141         AC_CHECK_MEMBERS(
2142                 [struct statfs.f_flags],,, 
2143                 [#include <sys/types.h>
2144                  #include <sys/vfs.h>])
2145         AC_CHECK_MEMBERS(
2146                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2147                 [#include <sys/types.h>
2148                  #include <sys/stat.h>
2149                  #include <unistd.h>])
2150
2151         dnl Favour xattr through glibc, but use libattr if we have to
2152         AC_CHECK_FUNC(lsetxattr, ,
2153                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2154         )
2155         AC_SUBST(XATTR_LIB)
2156
2157         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2158         AC_CHECK_MEMBERS(
2159                 [struct kinfo_proc.kp_proc],,, 
2160                 [#include <sys/types.h>
2161                  #include <sys/param.h>
2162                  #include <sys/sysctl.h>
2163                  #include <sys/proc.h>
2164                  ])
2165
2166         dnl *********************************
2167         dnl *** Checks for Windows compilation ***
2168         dnl *********************************
2169         AC_CHECK_HEADERS(sys/time.h)
2170         AC_CHECK_HEADERS(sys/param.h)
2171         AC_CHECK_HEADERS(dirent.h)
2172
2173         dnl ******************************************
2174         dnl *** Checks for OSX and iOS compilation ***
2175         dnl ******************************************
2176         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2177
2178         dnl *********************************
2179         dnl *** Check for Console 2.0 I/O ***
2180         dnl *********************************
2181         AC_CHECK_HEADERS([curses.h])
2182         AC_CHECK_HEADERS([term.h], [], [],
2183         [#if HAVE_CURSES_H
2184          #include <curses.h>
2185          #endif
2186         ])
2187         AC_CHECK_HEADERS([termios.h])
2188
2189         dnl * This is provided in io-layer, but on windows it's only available
2190         dnl * on xp+
2191         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2192 else
2193         dnl *********************************
2194         dnl *** Checks for Windows compilation ***
2195         dnl *********************************
2196         AC_CHECK_HEADERS(winternl.h)
2197
2198         jdk_headers_found=no
2199         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2200         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2201         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2202         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2203         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2204         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2205         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2206
2207         dnl *********************************
2208         dnl *** Check for struct ip_mreqn ***
2209         dnl *********************************
2210         AC_MSG_CHECKING(for struct ip_mreqn)
2211         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2212                 struct ip_mreqn mreq;
2213                 mreq.imr_address.s_addr = 0;
2214         ], [
2215                 # Yes, we have it...
2216                 AC_MSG_RESULT(yes)
2217                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2218         ], [
2219                 # We'll just have to try and use struct ip_mreq
2220                 AC_MSG_RESULT(no)
2221                 AC_MSG_CHECKING(for struct ip_mreq)
2222                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2223                         struct ip_mreq mreq;
2224                         mreq.imr_interface.s_addr = 0;
2225                 ], [
2226                         # Yes, we have it...
2227                         AC_MSG_RESULT(yes)
2228                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2229                 ], [
2230                         # No multicast support
2231                         AC_MSG_RESULT(no)
2232                 ])
2233         ])
2234
2235         dnl **********************************
2236         dnl *** Check for getaddrinfo ***
2237         dnl **********************************
2238         AC_MSG_CHECKING(for getaddrinfo)
2239                 AC_TRY_LINK([
2240                 #include <stdio.h>
2241                 #include <winsock2.h>
2242                 #include <ws2tcpip.h>
2243         ], [
2244                 getaddrinfo(NULL,NULL,NULL,NULL);
2245         ], [
2246                 # Yes, we have it...
2247                 AC_MSG_RESULT(yes)
2248                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2249         ], [
2250                 AC_MSG_RESULT(no)
2251         ])
2252
2253         dnl **********************************
2254         dnl *** Check for gethostbyname ***
2255         dnl **********************************
2256         AC_MSG_CHECKING(for gethostbyname)
2257                 AC_TRY_LINK([
2258                 #include <stdio.h>
2259                 #include <winsock2.h>
2260                 #include <ws2tcpip.h>
2261         ], [
2262                 gethostbyname(NULL);
2263         ], [
2264                 # Yes, we have it...
2265                 AC_MSG_RESULT(yes)
2266                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2267         ], [
2268                 AC_MSG_RESULT(no)
2269         ])
2270
2271         dnl **********************************
2272         dnl *** Check for getprotobyname ***
2273         dnl **********************************
2274         AC_MSG_CHECKING(for getprotobyname)
2275                 AC_TRY_LINK([
2276                 #include <stdio.h>
2277                 #include <winsock2.h>
2278                 #include <ws2tcpip.h>
2279         ], [
2280                 getprotobyname(NULL);
2281         ], [
2282                 # Yes, we have it...
2283                 AC_MSG_RESULT(yes)
2284                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2285         ], [
2286                 AC_MSG_RESULT(no)
2287         ])
2288
2289         dnl **********************************
2290         dnl *** Check for getnameinfo ***
2291         dnl **********************************
2292         AC_MSG_CHECKING(for getnameinfo)
2293                 AC_TRY_LINK([
2294                 #include <stdio.h>
2295                 #include <winsock2.h>
2296                 #include <ws2tcpip.h>
2297         ], [
2298                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2299         ], [
2300                 # Yes, we have it...
2301                 AC_MSG_RESULT(yes)
2302                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2303         ], [
2304                 AC_MSG_RESULT(no)
2305         ])
2306
2307         dnl **********************************
2308         dnl *** Check for inet_ntop ***
2309         dnl **********************************
2310         AC_MSG_CHECKING(for inet_ntop)
2311                 AC_TRY_LINK([
2312                 #include <stdio.h>
2313                 #include <winsock2.h>
2314                 #include <ws2tcpip.h>
2315         ], [
2316                 inet_ntop (0, NULL, NULL, 0);
2317         ], [
2318                 # Yes, we have it...
2319                 AC_MSG_RESULT(yes)
2320                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2321         ], [
2322                 AC_MSG_RESULT(no)
2323         ])
2324
2325         dnl **********************************
2326         dnl *** Check for inet_pton ***
2327         dnl **********************************
2328         AC_MSG_CHECKING(for inet_pton)
2329                 AC_TRY_LINK([
2330                 #include <stdio.h>
2331                 #include <winsock2.h>
2332                 #include <ws2tcpip.h>
2333         ], [
2334                 inet_pton (0, NULL, NULL);
2335         ], [
2336                 # Yes, we have it...
2337                 AC_MSG_RESULT(yes)
2338                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2339         ], [
2340                 AC_MSG_RESULT(no)
2341         ])
2342
2343         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2344         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2345         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2346         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2347         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2348         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2349         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2350
2351         AC_MSG_CHECKING(for GetProcessId)
2352         AC_TRY_COMPILE([#include <windows.h>], [
2353                 GetProcessId (0);
2354         ], [
2355            AC_MSG_RESULT(yes)
2356            AC_DEFINE(HAVE_GETPROCESSID)
2357         ], [
2358            AC_MSG_RESULT(no)
2359         ])
2360 fi
2361
2362 dnl socklen_t check
2363 AC_MSG_CHECKING(for socklen_t)
2364 AC_TRY_COMPILE([
2365 #include <sys/types.h>
2366 #include <sys/socket.h>
2367 ],[
2368   socklen_t foo;
2369 ],[
2370 ac_cv_c_socklen_t=yes
2371         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2372         AC_MSG_RESULT(yes)
2373 ],[
2374         AC_MSG_RESULT(no)
2375 ])
2376
2377 AC_MSG_CHECKING(for array element initializer support)
2378 AC_TRY_COMPILE([#include <sys/socket.h>], [
2379         const int array[] = {[1] = 2,};
2380 ], [
2381         # Yes, we have it...
2382         AC_MSG_RESULT(yes)
2383         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2384 ], [
2385         # We'll have to use signals
2386         AC_MSG_RESULT(no)
2387 ])
2388
2389 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2390         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2391         AC_TRY_LINK([#include <math.h>], 
2392         [ static void *p = &trunc; ],
2393         [
2394                 AC_DEFINE(HAVE_TRUNC) 
2395                 AC_MSG_RESULT(yes)
2396                 ac_cv_trunc=yes
2397         ],
2398         AC_MSG_RESULT(no)))
2399
2400 if test "x$ac_cv_truncl" != "xyes"; then
2401    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2402 fi
2403
2404 AC_CHECK_FUNCS(round)
2405 AC_CHECK_FUNCS(rint)
2406 AC_CHECK_FUNCS(execvp)
2407
2408 dnl ****************************
2409 dnl *** Look for /dev/random ***
2410 dnl ****************************
2411
2412 AC_MSG_CHECKING([if usage of random device is requested])
2413 AC_ARG_ENABLE(dev-random,
2414 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2415 try_dev_random=$enableval, try_dev_random=yes)
2416
2417 AC_MSG_RESULT($try_dev_random)
2418
2419 case "{$build}" in
2420     *-openbsd*)
2421     NAME_DEV_RANDOM="/dev/srandom"
2422     ;;
2423
2424 dnl Win32 does not have /dev/random, they have their own method...
2425
2426     *-mingw*|*-*-cygwin*)
2427     ac_cv_have_dev_random=no
2428     ;;
2429
2430 dnl Everywhere else, it's /dev/random
2431
2432     *)
2433     NAME_DEV_RANDOM="/dev/random"
2434     ;;
2435 esac
2436
2437 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2438
2439 dnl Now check if the device actually exists
2440
2441 if test "x$try_dev_random" = "xyes"; then
2442     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2443     [if test -r "$NAME_DEV_RANDOM" ; then
2444         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2445     if test "x$ac_cv_have_dev_random" = "xyes"; then
2446         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2447     fi
2448 else
2449     AC_MSG_CHECKING(for random device)
2450     ac_cv_have_dev_random=no
2451     AC_MSG_RESULT(has been disabled)
2452 fi
2453
2454 if test "x$host_win32" = "xyes"; then
2455     AC_DEFINE(HAVE_CRYPT_RNG)
2456 fi
2457
2458 if test "x$ac_cv_have_dev_random" = "xno" \
2459     && test "x$host_win32" = "xno"; then
2460     AC_MSG_WARN([[
2461 ***
2462 *** A system-provided entropy source was not found on this system.
2463 *** Because of this, the System.Security.Cryptography random number generator
2464 *** will throw a NotImplemented exception.
2465 ***
2466 *** If you are seeing this message, and you know your system DOES have an
2467 *** entropy collection in place, please contact <crichton@gimp.org> and
2468 *** provide information about the system and how to access the random device.
2469 ***
2470 *** Otherwise you can install either egd or prngd and set the environment
2471 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2472 ***]])
2473 fi
2474  
2475 AC_MSG_CHECKING([if inter-process shared handles are requested])
2476 # Same as --enable-minimal=shared_handles
2477 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2478 AC_MSG_RESULT($try_shared_handles)
2479 if test "x$try_shared_handles" != "xyes"; then
2480         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2481         AC_SUBST(DISABLE_SHARED_HANDLES)
2482 fi
2483
2484 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2485
2486 AC_ARG_ENABLE(perf-events, [  --enable-perf-events Enable using `perf` for profiling on Linux], test_perf_events=$enableval, test_perf_events=no)
2487 if test "x$test_perf_events" == "xyes"; then
2488         AC_DEFINE(ENABLE_PERF_EVENTS, 1, [Enable using `perf` for profiling on Linux])
2489         AC_SUBST(ENABLE_PERF_EVENTS)
2490 fi
2491
2492 AC_MSG_CHECKING([if big-arrays are to be enabled])
2493 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2494 if test "x$enable_big_arrays" = "xyes" ; then
2495     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2496         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2497     else
2498         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2499     fi
2500 fi
2501 AC_MSG_RESULT($enable_big_arrays)
2502
2503 dnl **************
2504 dnl *** DTRACE ***
2505 dnl **************
2506
2507 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2508
2509 if test "x$enable_dtrace" = "xyes"; then
2510    if test "x$has_dtrace" = "xno"; then
2511           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2512    fi
2513    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2514    if test "x$DTRACE" = "xno"; then
2515           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2516           enable_dtrace=no
2517    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2518           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2519           enable_dtrace=no
2520    fi
2521 fi
2522
2523 dtrace_g=no
2524 if test "x$enable_dtrace" = "xyes"; then
2525         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2526         DTRACEFLAGS=
2527         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2528                 case "$host" in
2529                         powerpc-*-darwin*)
2530                         DTRACEFLAGS="-arch ppc64"
2531                         ;;
2532                         i*86-*-darwin*)
2533                         DTRACEFLAGS="-arch x86_64"
2534                         ;;
2535                         *)
2536                         DTRACEFLAGS=-64
2537                         ;;
2538                 esac
2539         else
2540                 case "$host" in
2541                         powerpc-*-darwin*)
2542                         DTRACEFLAGS="-arch ppc"
2543                         ;;
2544                         i*86-*-darwin*)
2545                         DTRACEFLAGS="-arch i386"
2546                         ;;
2547                         *)
2548                         DTRACEFLAGS=-32
2549                         ;;
2550                 esac
2551         fi
2552         AC_SUBST(DTRACEFLAGS)
2553         case "$host" in
2554                 *-*-solaris*)
2555                 dtrace_g=yes
2556                 ;;
2557         esac
2558         AC_CHECK_HEADERS([sys/sdt.h])
2559 fi
2560 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2561 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2562
2563 dnl **************
2564 dnl ***  NaCl  ***
2565 dnl **************
2566
2567 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2568 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2569
2570 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2571
2572 dnl
2573 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2574 dnl
2575 nacl_self_host=""
2576 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2577    nacl_self_host="nacl_self_host"
2578 fi
2579 AC_SUBST(nacl_self_host)
2580
2581 if test "x$enable_nacl_codegen" = "xyes"; then
2582    MONO_NACL_ALIGN_MASK_OFF=1
2583    AC_DEFINE(TARGET_NACL, 1, [...])
2584    AC_DEFINE(__native_client_codegen__, 1, [...])
2585 else
2586    MONO_NACL_ALIGN_MASK_OFF=0
2587    AC_DEFINE(__default_codegen__, 1, [...])
2588 fi
2589 if test "x$enable_nacl_gc" = "xyes"; then
2590    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2591       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2592    else
2593       # Not yet implemented
2594       INSTRUMENT_CFLAG=""
2595    fi
2596    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2597 fi
2598 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2599
2600 dnl **************
2601 dnl ***  LLVM  ***
2602 dnl **************
2603
2604 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2605 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2606 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2607
2608 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2609
2610 if test "x$enable_llvm" = "xyes"; then
2611    if test "x$with_llvm" != "x"; then
2612           LLVM_CONFIG=$with_llvm/bin/llvm-config
2613           if test x$host_win32 = xyes; then
2614                 LLVM_CONFIG=$LLVM_CONFIG.exe
2615           fi
2616           if test ! -x $LLVM_CONFIG; then
2617                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2618       fi
2619    else
2620       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2621       if test "x$LLVM_CONFIG" = "xno"; then
2622              AC_MSG_ERROR([llvm-config not found.])
2623       fi
2624    fi
2625
2626    llvm_codegen="x86codegen"
2627    case "$target" in
2628    arm*)
2629                 llvm_codegen="armcodegen"
2630                 ;;
2631    esac
2632
2633    if test "x$host_win32" = "xno"; then
2634
2635    # The output of --cflags seems to include optimizations flags too
2636    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2637    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2638    # from LLVM classes.
2639    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2640    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2641    # This might include empty lines
2642    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2643    if test "x$host" != "x$target"; then
2644       # No need for jit libs
2645       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2646    else
2647       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2648    fi
2649    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS -lstdc++"
2650
2651    expected_llvm_version="3.4svn-mono-mono/e656cac"
2652
2653    # Should be something like '2.6' or '2.7svn'
2654    llvm_version=`$LLVM_CONFIG --version`
2655    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2656    AC_MSG_CHECKING(LLVM version)
2657    AC_MSG_RESULT($llvm_version)
2658    if echo $llvm_version | grep -q 'mono'; then
2659           if test "x$enable_llvm_version_check" == "xyes"; then
2660                  if test "$llvm_version" != "$expected_llvm_version"; then
2661                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2662                  fi
2663           fi
2664    else
2665           AC_MSG_ERROR([Compiling with stock LLVM is not supported, please use the Mono LLVM repo at https://github.com/mono/llvm, with the GIT branch which matches this version of mono, i.e. 'mono-2-10' for Mono 2.10.])
2666    fi
2667
2668    else
2669        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2670        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-exceptions -fno-rtti -Woverloaded-virtual -Wcast-qual"
2671        LLVM_LDFLAGS="-L$with_llvm/lib"
2672        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2673        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2674          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2675          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2676          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2677          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2678          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2679          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2680          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2681          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2682          -lLLVMSupport -lstdc++"
2683        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2684
2685        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2686        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2687    fi  
2688
2689    if test "x$llvm_api_version" = "x"; then
2690           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2691           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2692    else
2693           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2694           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2695    fi   
2696
2697    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2698
2699    AC_SUBST(LLVM_CFLAGS)
2700    AC_SUBST(LLVM_CXXFLAGS)
2701    AC_SUBST(LLVM_LIBS)
2702    AC_SUBST(LLVM_LDFLAGS)
2703    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2704 fi
2705
2706 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2707 if test "x$enable_loadedllvm" = "xyes"; then
2708    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2709 fi
2710 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2711
2712 TARGET="unknown"
2713 ACCESS_UNALIGNED="yes"
2714
2715 LIBC="libc.so.6"
2716 INTL="libc.so.6"
2717 SQLITE="libsqlite.so.0"
2718 SQLITE3="libsqlite3.so.0"
2719 X11="libX11.so"
2720 GDKX11="libgdk-x11-2.0.so.0"
2721 GTKX11="libgtk-x11-2.0.so.0"
2722 XINERAMA="libXinerama.so.1"
2723
2724 sizeof_register="SIZEOF_VOID_P"
2725
2726 jit_wanted=true
2727 sgen_supported=false
2728 boehm_supported=true
2729 case "$host" in
2730         mips*)
2731                 TARGET=MIPS;
2732                 arch_target=mips;
2733                 sgen_supported=true
2734                 ACCESS_UNALIGNED="no"
2735
2736                 AC_MSG_CHECKING(for mips n32)
2737                 AC_TRY_COMPILE([],[
2738                 #if _MIPS_SIM != _ABIN32
2739                 #error Not mips n32
2740                 #endif
2741                 return 0;
2742                 ],[
2743                 AC_MSG_RESULT(yes)
2744                 sizeof_register=8
2745                 ],[
2746                 AC_MSG_RESULT(no)
2747                 ])
2748                 ;;
2749         i*86-*-*)
2750                 TARGET=X86;
2751                 arch_target=x86;
2752                 case $host_os in
2753                   solaris*)
2754                         LIBC="libc.so"
2755                         INTL="libintl.so"
2756                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2757                                 TARGET=AMD64
2758                                 arch_target=amd64
2759                         fi
2760
2761                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2762                         # int astruct __attribute__ ((visibility ("hidden")));
2763                         # void foo ()
2764                         # {
2765                         #       void *p = &astruct;
2766                         # }
2767                         # gcc -fPIC --shared -o libfoo.so foo.c
2768                         # yields:
2769                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2770                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2771                         have_visibility_hidden=no
2772                         sgen_supported=true
2773                         ;;
2774                   mingw*|cygwin*)
2775                         sgen_supported=true
2776                         have_visibility_hidden=no                 
2777                         ;;
2778                   haiku*)
2779                         LIBC=libroot.so
2780                         ;;
2781                   linux*)
2782                         sgen_supported=true
2783                         AOT_SUPPORTED="yes"
2784                         ;;
2785                   darwin*)
2786                         sgen_supported=true
2787                         AOT_SUPPORTED="yes"
2788                         ;;
2789                   openbsd*|freebsd*|kfreebsd-gnu*)
2790                         sgen_supported=true
2791                         ;;
2792                 esac
2793                 ;;
2794         x86_64-*-* | amd64-*-*)
2795                 TARGET=AMD64;
2796                 arch_target=amd64;
2797                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2798                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2799                         sizeof_register=8
2800                 fi
2801                 case $host_os in
2802                   linux*)
2803                         sgen_supported=true
2804                         AOT_SUPPORTED="yes"
2805                         ;;
2806                   darwin*)
2807                         sgen_supported=true
2808                         AOT_SUPPORTED="yes"
2809                         ;;
2810                   openbsd*|freebsd*|kfreebsd-gnu*)
2811                         sgen_supported=true
2812                         ;;
2813                   mingw*)
2814                         sgen_supported=true
2815                         ;;
2816                 esac
2817                 case "$host" in
2818                         x86_64-*-nacl*)
2819                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2820                                 sizeof_register=8
2821                                 ;;
2822                 esac
2823                 ;;
2824         ia64-*-*)
2825                 TARGET=IA64
2826                 arch_target=ia64
2827                 ACCESS_UNALIGNED="no"
2828                 LIBC="libc.so.6.1"
2829                 INTL="libc.so.6.1"
2830                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2831                 libmono_ldflags="-lunwind"
2832                 ;;
2833         sparc*-*-*)
2834                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2835                    TARGET=SPARC64
2836                 else
2837                         TARGET=SPARC
2838                 fi
2839                 arch_target=sparc;
2840                 ACCESS_UNALIGNED="no"
2841                 case $host_os in
2842                   linux*) ;;
2843                   *)
2844                         LIBC="libc.so"
2845                         INTL="libintl.so"
2846                 esac
2847                 if test x"$GCC" = xyes; then
2848                         # We don't support v8 cpus
2849                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2850                 fi
2851                 if test x"$AR" = xfalse; then
2852                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2853                 fi
2854                 sgen_supported=true
2855                 ;;
2856         *-mingw*|*-*-cygwin*)
2857                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2858                 have_visibility_hidden=no
2859                 INTL="intl"
2860                 ;;
2861         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2862         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2863                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2864                         TARGET=POWERPC64;
2865                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2866                         CFLAGS="$CFLAGS -mminimal-toc"
2867                 else
2868                         TARGET=POWERPC;
2869                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2870                 fi
2871                 arch_target=ppc;
2872                 case $host_os in
2873                   linux*|darwin*)
2874                         sgen_supported=true
2875                         ;;
2876                 esac
2877                 ;;
2878         arm*-darwin*)
2879                 TARGET=ARM;
2880                 arch_target=arm;
2881                 ACCESS_UNALIGNED="no"
2882                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2883                 sgen_supported=true
2884                 ;;
2885         arm*-linux*)
2886                 TARGET=ARM;
2887                 arch_target=arm;
2888                 ACCESS_UNALIGNED="no"
2889                 sgen_supported=true
2890                 AOT_SUPPORTED="yes"
2891                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2892                 ;;
2893 # TODO: make proper support for NaCl host.
2894 #        arm*-*nacl)
2895 #               TARGET=ARM;
2896 #               arch_target=arm;
2897 #               ACCESS_UNALIGNED="no"
2898 #               sgen_supported=true
2899 #               AOT_SUPPORTED="no"
2900 #               ;;
2901         aarch64-*)
2902                 # https://lkml.org/lkml/2012/7/15/133
2903                 TARGET=ARM64
2904                 arch_target=arm64
2905                 sgen_supported=true
2906                 boehm_supported=false
2907                 ;;
2908         s390x-*-linux*)
2909                 TARGET=S390X;
2910                 arch_target=s390x;
2911                 ACCESS_UNALIGNED="yes"
2912                 sgen_supported=true
2913                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2914                 ;;
2915 esac
2916
2917 HOST=$TARGET
2918
2919 if test "x$host" != "x$target"; then
2920    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2921    enable_mcs_build=no
2922    case "$target" in
2923    arm*-darwin*)
2924                 TARGET=ARM;
2925                 arch_target=arm;
2926                 ACCESS_UNALIGNED="no"
2927                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2928                 # Can't use tls, since it depends on the runtime detection of tls offsets
2929                 # in mono-compiler.h
2930                 with_tls=pthread
2931                 ;;
2932    powerpc64-ps3-linux-gnu)
2933                 TARGET=POWERPC64
2934                 arch_target=powerpc64
2935                 AC_DEFINE(TARGET_PS3, 1, [...])
2936                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2937                 # uses this define
2938                 AC_DEFINE(__mono_ppc64__, 1, [...])
2939                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2940                 sizeof_register=8
2941                 target_byte_order=G_BIG_ENDIAN
2942                 ;;
2943    powerpc64-xbox360-linux-gnu)
2944                 TARGET=POWERPC64
2945                 arch_target=powerpc64
2946                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2947                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2948                 # uses this define
2949                 sizeof_register=8
2950                 target_byte_order=G_BIG_ENDIAN
2951                 ;;
2952    x86_64-*-nacl)
2953                 TARGET=AMD64
2954                 arch_target=amd64
2955                 AC_DEFINE(TARGET_AMD64, 1, [...])
2956                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2957                 sizeof_register=8
2958                 ;;
2959 # TODO: make proper support for NaCl target.
2960 #   arm*-*nacl)
2961 #               TARGET=ARM
2962 #               arch_target=arm
2963 #               AC_DEFINE(TARGET_ARM, 1, [...])
2964 #               ACCESS_UNALIGNED="no"
2965 #               sizeof_register=4
2966 #               CPPFLAGS="$CPPFLAGS \
2967 #                    -D__ARM_EABI__ \
2968 #                    -D__arm__ \
2969 #                    -D__portable_native_client__ \
2970 #                    -Dtimezone=_timezone \
2971 #                    -DDISABLE_SOCKETS \
2972 #                    -DDISABLE_ATTACH \
2973 #                    -DUSE_NEWLIB"
2974                 # Can't use tls, since it depends on the runtime detection of tls offsets
2975                 # in mono-compiler.h
2976 #               with_tls=pthread
2977 #               ;;
2978    i686-*-nacl)
2979                 TARGET=X86
2980                 arch_target=x86
2981                 AC_DEFINE(TARGET_X86, 1, [...])
2982                 sizeof_register=4
2983                 ;;
2984    arm*-linux-*)
2985                 TARGET=ARM;
2986                 arch_target=arm;
2987                 AC_DEFINE(TARGET_ARM, 1, [...])
2988                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2989                 ACCESS_UNALIGNED="no"
2990                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2991                 # Can't use tls, since it depends on the runtime detection of tls offsets
2992                 # in mono-compiler.h
2993                 with_tls=pthread
2994                 target_mach=no
2995                 case "$target" in
2996                 armv7l-unknown-linux-gnueabi*)
2997                         # TEGRA
2998                         CPPFLAGS="$CPPFLAGS"
2999                         ;;
3000                 armv5-*-linux-androideabi*)
3001                         CPPFLAGS="$CPPFLAGS"
3002                         ;;
3003                 esac
3004                 ;;
3005    i686*-linux-*)
3006                 TARGET=X86;
3007                 arch_target=x86;
3008                 AC_DEFINE(TARGET_X86, 1, [...])
3009                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3010                 CPPFLAGS="$CPPFLAGS"
3011                 sgen_supported=true
3012                 # Can't use tls, since it depends on the runtime detection of tls offsets
3013                 # in mono-compiler.h            
3014                 with_tls=pthread
3015                 target_mach=no
3016                 ;;
3017    x86_64*-linux-*)
3018                 TARGET=AMD64;
3019                 arch_target=amd64;
3020                 AC_DEFINE(TARGET_AMD64, 1, [...])
3021                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3022                 CPPFLAGS="$CPPFLAGS"
3023                 sgen_supported=true
3024                 # Can't use tls, since it depends on the runtime detection of tls offsets
3025                 # in mono-compiler.h
3026                 with_tls=pthread
3027                 target_mach=no
3028                 ;;
3029    x86_64-ps4-freebsd)
3030                 TARGET=AMD64;
3031                 arch_target=amd64;
3032                 AC_DEFINE(TARGET_AMD64, 1, [...])
3033                 AC_DEFINE(TARGET_PS4, 1, [...])
3034                 CPPFLAGS="$CPPFLAGS"
3035                 sgen_supported=true
3036                 # Can't use tls, since it depends on the runtime detection of tls offsets
3037                 # in mono-compiler.h
3038                 with_tls=pthread
3039                 target_mach=no
3040                 target_win32=no
3041                 ;;
3042    aarch64*-linux-*)
3043                 TARGET=ARM64;
3044                 arch_target=arm64;
3045                 AC_DEFINE(TARGET_ARM64, 1, [...])
3046                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3047                 CPPFLAGS="$CPPFLAGS"
3048                 # Can't use tls, since it depends on the runtime detection of tls offsets
3049                 # in mono-compiler.h
3050                 with_tls=pthread
3051                 target_mach=no
3052                 ;;
3053         aarch64-*)
3054                 TARGET=ARM64
3055                 ;;
3056         *)
3057                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3058         esac
3059 fi
3060
3061 case "$TARGET" in
3062 X86)
3063         AC_DEFINE(TARGET_X86, 1, [...])
3064         ;;
3065 AMD64)
3066         AC_DEFINE(TARGET_AMD64, 1, [...])
3067         ;;
3068 ARM)
3069         AC_DEFINE(TARGET_ARM, 1, [...])
3070         ;;
3071 ARM64)
3072         AC_DEFINE(TARGET_ARM64, 1, [...])
3073         ;;
3074 POWERPC)
3075         AC_DEFINE(TARGET_POWERPC, 1, [...])
3076         ;;
3077 POWERPC64)
3078         AC_DEFINE(TARGET_POWERPC, 1, [...])
3079         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3080         ;;
3081 S390X)
3082         AC_DEFINE(TARGET_S390X, 1, [...])
3083         ;;
3084 MIPS)
3085         AC_DEFINE(TARGET_MIPS, 1, [...])
3086         ;;
3087 IA64)
3088         AC_DEFINE(TARGET_IA64, 1, [...])
3089         ;;
3090 SPARC)
3091         AC_DEFINE(TARGET_SPARC, 1, [...])
3092         ;;
3093 SPARC64)
3094         AC_DEFINE(TARGET_SPARC64, 1, [...])
3095         ;;
3096 esac
3097
3098 dnl *************
3099 dnl *** VTUNE ***
3100 dnl *************
3101
3102 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3103 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3104
3105 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3106
3107 if test "x$enable_vtune" = "xyes"; then
3108         if test "x$with_vtune" = "x"; then
3109                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3110         else
3111                 VTUNE_PATH=$with_vtune
3112         fi
3113         VTUNE_INCLUDE=$VTUNE_PATH/include
3114         case "$TARGET" in
3115         X86)
3116                 VTUNE_LIB=$VTUNE_PATH/lib32
3117                 ;;
3118         AMD64)
3119                 VTUNE_LIB=$VTUNE_PATH/lib64
3120                 ;;
3121         *)
3122                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3123                 ;;
3124         esac
3125         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3126                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3127         fi
3128         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3129                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3130         fi
3131
3132         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3133         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3134
3135         AC_SUBST(VTUNE_LIBS)
3136         AC_SUBST(VTUNE_CFLAGS)
3137 fi
3138 dnl Use GCC atomic ops if they work on the target.
3139 if test x$GCC = "xyes"; then
3140         case $TARGET in
3141         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3142                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3143                 ;;
3144         esac
3145 fi
3146
3147 if test "x$target_mach" = "xyes"; then
3148    if test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3149           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3150           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3151           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3152    else
3153        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3154        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3155        #error fail this for ios
3156        #endif
3157        return 0;
3158        ], [
3159                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3160           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3161           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3162        ], [
3163           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3164           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3165           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3166        ])
3167         fi
3168    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3169 fi
3170
3171 if test "x$sizeof_register" = "x4"; then
3172    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3173 elif test "x$sizeof_register" = "x8"; then
3174    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3175 else
3176    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3177 fi
3178
3179 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3180    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3181 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3182    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3183 else
3184    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3185 fi
3186
3187 if test "x$have_visibility_hidden" = "xyes"; then
3188    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3189 fi
3190
3191 if test "x$have_deprecated" = "xyes"; then
3192    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3193 fi
3194
3195 dnl 
3196 dnl Simple Generational checks (sgen)
3197 dnl
3198 if $sgen_supported; then
3199    build_sgen_default=yes
3200 else
3201    build_sgen_default=no
3202 fi
3203 SGEN_DEFINES=
3204 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
3205 if test x$buildsgen = xyes; then
3206    if $sgen_supported; then
3207        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
3208        gc_msg="sgen and $gc_msg"
3209    else
3210        buildsgen=no
3211        AC_MSG_WARN("Sgen is not supported on this platform")
3212    fi
3213 fi
3214 AC_SUBST(SGEN_DEFINES)
3215 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3216
3217 jit_status="Building and using the JIT"
3218
3219 libsuffix=".so"
3220
3221 case "$host" in
3222      *-*-darwin*)
3223         libsuffix=".dylib"
3224         LIBC="libc.dylib"
3225         INTL="libintl.dylib"
3226         SQLITE="libsqlite.0.dylib"
3227         SQLITE3="libsqlite3.0.dylib"
3228         X11="libX11.dylib"
3229         GDKX11="libgdk-x11-2.0.dylib"
3230         GTKX11="libgtk-x11-2.0.dylib"
3231         ;;
3232      *-*-*netbsd*)
3233         LIBC="libc.so.12"
3234         INTL="libintl.so.0"
3235         ;;
3236      *-*-kfreebsd*-gnu)
3237         LIBC="libc.so.0.1"
3238         INTL="libc.so.0.1"
3239         X11="libX11.so.6"
3240         ;;
3241     *-*-*freebsd*)
3242         LIBC="libc.so"
3243         INTL="libintl.so"
3244         SQLITE="libsqlite.so"
3245         SQLITE3="libsqlite3.so"
3246         ;;
3247     *-*-*openbsd*)
3248         LIBC="libc.so"
3249         INTL="libintl.so"
3250         SQLITE="libsqlite.so"
3251         SQLITE3="libsqlite3.so"
3252         ;;
3253     *-*-*linux*)
3254         AC_PATH_X
3255         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3256         AC_MSG_CHECKING(for the soname of libX11.so)
3257         for i in $x_libraries $dlsearch_path; do
3258                 for r in 4 5 6; do
3259                         if test -f $i/libX11.so.$r; then
3260                                 X11=libX11.so.$r
3261                                 AC_MSG_RESULT($X11)
3262                         fi
3263                 done
3264         done
3265         
3266         if test "x$X11" = "xlibX11.so"; then
3267                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3268                 X11=libX11.so.6
3269         fi
3270         ;;
3271 esac
3272
3273
3274 AC_SUBST(libsuffix)
3275
3276 AC_ARG_WITH([libgdiplus],
3277         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3278         [], [with_libgdiplus=installed])
3279
3280 # default install location
3281 libgdiplus_install_loc=libgdiplus${libsuffix}
3282 case $with_libgdiplus in
3283     no|installed)
3284     libgdiplus_loc=
3285     ;;
3286
3287     yes|sibling)
3288     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3289     ;;
3290
3291     /*) # absolute path, assume it is an install location
3292     libgdiplus_loc=$with_libgdiplus
3293     libgdiplus_install_loc=$with_libgdiplus
3294     ;;
3295
3296     *)
3297     libgdiplus_loc=`pwd`/$with_libgdiplus
3298     ;;
3299 esac
3300 AC_SUBST([libgdiplus_loc])
3301 AC_SUBST([libgdiplus_install_loc])
3302
3303 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3304 if test "x$icall_symbol_map" = "xyes"; then
3305    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3306 fi
3307
3308 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3309 if test "x$icall_export" = "xyes"; then
3310    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3311 fi
3312
3313 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3314 if test "x$icall_tables" = "xno"; then
3315    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3316 fi
3317
3318 if test "x$with_tls" = "x__thread"; then
3319         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3320         # Pass the information to libgc
3321         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3322         AC_MSG_CHECKING(if the tls_model attribute is supported)
3323         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3324                 ], [
3325                         AC_MSG_RESULT(yes)
3326                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3327                 ], [
3328                         AC_MSG_RESULT(no)
3329         ])
3330 fi
3331
3332 if test ${TARGET} = ARM; then
3333         dnl ******************************************
3334         dnl *** Check to see what FPU is available ***
3335         dnl ******************************************
3336         AC_MSG_CHECKING(which FPU to use)
3337
3338         #
3339         # This is a bit tricky:
3340         #
3341         # if (__ARM_PCS_VFP) {
3342         #       /* mfloat-abi=hard == VFP with hard ABI */
3343         # } elif (!__SOFTFP__) {
3344         #       /* mfloat-abi=softfp == VFP with soft ABI */
3345         # } else {
3346         #       /* mfloat-abi=soft == no VFP */
3347         # }
3348         #
3349         # The exception is iOS (w/ GCC) where none of the above
3350         # are defined (but iOS always uses the 'softfp' ABI).
3351         #
3352         # No support for FPA.
3353         #
3354
3355         fpu=NONE
3356
3357         # iOS GCC always uses the 'softfp' ABI.
3358         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3359                 fpu=VFP
3360         fi
3361
3362         # Are we using the 'hard' ABI?
3363         if test x$fpu = xNONE; then
3364                 AC_TRY_COMPILE([], [
3365                         #ifndef __ARM_PCS_VFP
3366                         #error "Float ABI is not 'hard'"
3367                         #endif
3368                         return 0;
3369                 ], [
3370                         fpu=VFP_HARD
3371                 ], [
3372                         fpu=NONE
3373                 ])
3374         fi
3375
3376         # No 'hard' ABI. 'soft' or 'softfp'?
3377         if test x$fpu = xNONE; then
3378                 AC_TRY_COMPILE([], [
3379                         #ifdef __SOFTFP__
3380                         #error "Float ABI is not 'softfp'"
3381                         #endif
3382                         return 0;
3383                 ], [
3384                         fpu=VFP
3385                 ], [
3386                         fpu=NONE
3387                 ])
3388         fi
3389
3390         AC_MSG_RESULT($fpu)
3391         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3392         unset fpu
3393
3394         dnl *********************************************
3395         dnl *** Check which ARM version(s) we can use ***
3396         dnl *********************************************
3397         AC_MSG_CHECKING(which ARM version to use)
3398
3399         AC_TRY_COMPILE([], [
3400                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3401                 #error Not on ARM v5.
3402                 #endif
3403                 return 0;
3404         ], [
3405                 arm_v5=yes
3406
3407                 arm_ver=ARMv5
3408         ], [])
3409
3410         AC_TRY_COMPILE([], [
3411                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3412                 #error Not on ARM v6.
3413                 #endif
3414                 return 0;
3415         ], [
3416                 arm_v5=yes
3417                 arm_v6=yes
3418
3419                 arm_ver=ARMv6
3420         ], [])
3421
3422         AC_TRY_COMPILE([], [
3423                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3424                 #error Not on ARM v7.
3425                 #endif
3426                 return 0;
3427         ], [
3428                 arm_v5=yes
3429                 arm_v6=yes
3430                 arm_v7=yes
3431
3432                 arm_ver=ARMv7
3433         ], [])
3434
3435         AC_MSG_RESULT($arm_ver)
3436
3437         if test x$arm_v5 = xyes; then
3438                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3439                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3440         fi
3441
3442         if test x$arm_v6 = xyes; then
3443                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3444                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3445         fi
3446
3447         if test x$arm_v7 = xyes; then
3448                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3449                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3450         fi
3451 fi
3452
3453 if test ${TARGET} = ARM; then
3454         if test "x${with_jumptables}" = "xyes"; then
3455                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3456         fi
3457 fi
3458
3459 if test ${TARGET} = unknown; then
3460         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3461         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3462 fi
3463
3464 if test ${ACCESS_UNALIGNED} = no; then
3465         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3466 fi
3467
3468 case "x$libgc" in
3469         xincluded)
3470                 # Pass CPPFLAGS to libgc configure
3471                 # We should use a separate variable for this to avoid passing useless and
3472                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3473                 # This should be executed late so we pick up the final version of CPPFLAGS
3474                 # The problem with this approach, is that during a reconfigure, the main
3475                 # configure scripts gets invoked with these arguments, so we use separate
3476                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3477                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3478                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3479                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3480                 fi
3481                 # Don't pass -finstrument-for-thread-suspension in, 
3482                 # if these are instrumented it will be very bad news 
3483                 # (infinite recursion, undefined parking behavior, etc)
3484                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3485                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3486                 if test "x$support_boehm" = "xyes"; then
3487                         AC_CONFIG_SUBDIRS(libgc)
3488                 fi
3489                 ;;
3490 esac
3491
3492 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
3493 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3494 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3495 AC_ARG_WITH(xammac,    [  --with-xammac=yes,no,only       If you want to build the Xamarin.Mac assemblies (defaults to no)],   [], [with_xammac=no])
3496
3497 OPROFILE=no
3498 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3499         if test x$with_oprofile != xno; then
3500             oprofile_include=$with_oprofile/include
3501             if test ! -f $oprofile_include/opagent.h; then
3502                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3503                 fi
3504             OPROFILE=yes
3505                 OPROFILE_CFLAGS="-I$oprofile_include"
3506             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3507             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3508         fi
3509 ])
3510
3511 MALLOC_MEMPOOLS=no
3512 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3513         if test x$with_malloc_mempools = xyes; then
3514                 MALLOC_MEMPOOLS=yes
3515                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3516         fi
3517 ])
3518
3519
3520 DISABLE_MCS_DOCS=no
3521 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3522         if test x$with_mcs_docs != xyes; then
3523                 DISABLE_MCS_DOCS=yes
3524         fi
3525 ])
3526 if test x$with_profile4_5 != xyes; then
3527         DISABLE_MCS_DOCS=yes
3528 fi
3529
3530 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3531         if test x$with_lazy_gc_thread_creation != xno ; then
3532                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3533         fi
3534 ], [with_lazy_gc_thread_creation=no])
3535
3536 AC_ARG_WITH(cooperative_gc, [  --with-cooperative-gc=yes|no      Enable cooperative stop-the-world garbage collection (sgen only) (defaults to no)],[
3537         if test x$with_cooperative_gc != xno ; then
3538                 AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3539         fi
3540 ], [with_cooperative_gc=no])
3541
3542 AC_CHECK_HEADER([malloc.h], 
3543                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3544                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3545
3546 if test x"$GCC" = xyes; then
3547         # Implicit function declarations are not 64 bit safe
3548         # Do this late, since this causes lots of configure tests to fail
3549         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3550         # jay has a lot of implicit declarations
3551         JAY_CFLAGS="-Wno-implicit-function-declaration"
3552 fi
3553
3554 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3555 # instead of libmono-static.a
3556 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3557    LIBMONO_LA=libmini-static.la
3558 else
3559    if test x$buildsgen = xyes; then
3560       LIBMONO_LA=libmonosgen-$API_VER.la
3561    else
3562       LIBMONO_LA=libmonoboehm-$API_VER.la
3563    fi
3564 fi
3565 AC_SUBST(LIBMONO_LA)
3566
3567 dnl
3568 dnl Consistency settings
3569 dnl
3570 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3571    DISABLE_MCS_DOCS=yes
3572    with_profile4_5=no
3573    with_monodroid=no
3574    with_monotouch=no
3575    with_xammac=no
3576 fi
3577
3578 if test x$DISABLE_MCS_DOCS = xyes; then
3579    docs_dir=""
3580 else
3581    docs_dir=docs
3582 fi
3583 AC_SUBST(docs_dir)
3584
3585 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3586 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3587
3588 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3589 AC_SUBST(OPROFILE_CFLAGS)
3590 AC_SUBST(OPROFILE_LIBS)
3591
3592 libmono_ldflags="$libmono_ldflags $LIBS"
3593
3594 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3595 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3596 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3597 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3598 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3599 AM_CONDITIONAL(ONLY_XAMMAC, [test "x$with_xammac" = "xonly"])
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