Merge pull request #1923 from lukaszunity/start-managed-process-fix
[mono.git] / configure.ac
1 # Process this file with autoconf to produce a configure script.
2 #AC_PREREQ([2.62])
3
4 AC_INIT(mono, [4.3.0],
5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
6
7 AC_CONFIG_SRCDIR([README.md])
8 AC_CONFIG_MACRO_DIR([m4])
9 AC_CANONICAL_SYSTEM
10 AC_CANONICAL_HOST
11
12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
13 # The extra brackets are to foil regex-based scans.
14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
15
16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects])
17 AC_CONFIG_HEADERS([config.h])
18 AM_MAINTAINER_MODE
19
20 API_VER=2.0
21 AC_SUBST(API_VER)
22
23 AC_PROG_LN_S
24
25 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
26
27 case $host_os in
28 *cygwin* )
29                  echo "Run configure using ./configure --host=i686-pc-mingw32"
30                  exit 1
31 esac
32
33 # In case of cygwin, override LN_S, irrespective of what it determines.
34 # The build uses cygwin, but the actual runtime doesn't.
35 case $host_os in
36 *cygwin* ) LN_S='cp -p';;
37 esac
38
39 #
40 # libgc defaults
41 #
42 libgc_configure_args=
43
44 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
45 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
46 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
47 CFLAGS_FOR_LIBGC=$CFLAGS
48 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
49 CFLAGS_FOR_EGLIB=$CFLAGS
50
51 # libgc uses some deprecated APIs
52 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
53
54 #
55 # These are the flags that need to be stored in the mono.pc file for 
56 # compiling code that will embed Mono
57 #
58 libmono_cflags=""
59 libmono_ldflags=""
60 AC_SUBST(libmono_cflags)
61 AC_SUBST(libmono_ldflags)
62
63 # Variable to have relocatable .pc files (lib, or lib64)
64 reloc_libdir=`basename ${libdir}`
65 AC_SUBST(reloc_libdir)
66
67 # Set to yes if Unix sockets cannot be created in an anonymous namespace
68 need_link_unlink=no
69
70 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
71 extra_runtime_ldflags=""
72
73 # Thread configuration inspired by sleepycat's db
74 AC_MSG_CHECKING([host platform characteristics])
75 libgc_threads=no
76 has_dtrace=no
77 parallel_mark=yes
78 ikvm_native=yes
79
80 case "$host" in
81         powerpc*-*-linux*)
82                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
83                 disable_munmap=yes
84         ;;
85 esac
86
87 host_win32=no
88 target_win32=no
89 platform_android=no
90 platform_darwin=no
91 case "$host" in
92         *-mingw*|*-*-cygwin*)
93                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
94                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
95                 host_win32=yes
96                 mono_cv_clang=no
97                 if test "x$cross_compiling" = "xno"; then
98                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
99                                 target_win32=yes
100                         fi
101                 else
102                         if test "x$host" == "x$target"; then
103                                 target_win32=yes
104                         fi
105                 fi
106                 HOST_CC="gcc"
107                 # Windows Vista or later is required
108                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
109                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
110                 libmono_cflags="-mms-bitfields -mwindows"
111                 libmono_ldflags="-mms-bitfields -mwindows"
112                 libdl=
113                 libgc_threads=win32
114                 with_sigaltstack=no
115                 with_tls=pthread
116                 LN_S=cp
117                 # This forces libgc to use the DllMain based thread registration code on win32
118                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
119                 ;;
120         *-*-*netbsd*)
121                 host_win32=no
122                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
123                 libmono_cflags="-D_REENTRANT"
124                 LDFLAGS="$LDFLAGS -pthread"
125                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
126                 libmono_ldflags="-pthread"
127                 need_link_unlink=yes
128                 libdl="-ldl"
129                 libgc_threads=pthreads
130                 with_sigaltstack=no
131                 use_sigposix=yes
132                 ;;
133         *-*-kfreebsd*-gnu)
134                 host_win32=no
135                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
136                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
137                 libmono_ldflags="-lpthread -pthread"
138                 libdl="-ldl"
139                 libgc_threads=pthreads
140                 need_link_unlink=yes
141                 with_sigaltstack=no
142                 use_sigposix=yes
143                 ;;
144         *-*-*freebsd*)
145                 host_win32=no
146                 if test "x$PTHREAD_CFLAGS" = "x"; then
147                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
148                         libmono_cflags=
149                 else
150                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
151                         libmono_cflags="$PTHREAD_CFLAGS"
152                 fi
153                 if test "x$PTHREAD_LIBS" = "x"; then
154                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
155                         libmono_ldflags="-pthread"
156                 else
157                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
158                         libmono_ldflags="$PTHREAD_LIBS"
159                 fi
160                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
161                 need_link_unlink=yes
162                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
163                 libdl=
164                 libgc_threads=pthreads
165                 use_sigposix=yes
166                 has_dtrace=yes
167                 ;;
168         *-*-*openbsd*)
169                 host_win32=no
170                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
171                 if test "x$disable_munmap" != "xyes"; then
172                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
173                 fi
174                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
175                 LDFLAGS="$LDFLAGS -pthread"
176                 need_link_unlink=yes
177                 AC_DEFINE(PTHREAD_POINTER_ID)
178                 libdl=
179                 libgc_threads=pthreads
180                 with_sigaltstack=no
181                 use_sigposix=yes
182                 ;;
183         *-*-linux-android*)
184                 host_win32=no
185                 platform_android=yes
186                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
187                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
188
189                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
190                 if test "x$disable_munmap" != "xyes"; then
191                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
192                 fi
193                 libmono_cflags="-D_REENTRANT"
194                 libdl="-ldl"
195                 libgc_threads=pthreads
196                 use_sigposix=yes
197
198                 with_tls=pthread
199                 with_sigaltstack=no
200                 with_static_mono=no
201
202                 # Android doesn't support boehm, as it's missing <link.h>
203                 support_boehm=no
204                 with_gc=sgen
205
206                 # isinf(3) requires -lm; see isinf check below
207                 LDFLAGS="$LDFLAGS -lm"
208
209                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
210                 # PAGE_SIZE; breaks mono/io-layer/collection.c
211                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
212                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
213                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
214
215                 # The configure check can't detect this
216                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
217
218                 # to bypass the underscore linker check, can't work when cross-compiling
219                 mono_cv_uscore=yes
220                 mono_cv_clang=no
221                 ;;
222         *-*-linux*)
223                 host_win32=no
224                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
225                 if test "x$disable_munmap" != "xyes"; then
226                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
227                 fi
228                 libmono_cflags="-D_REENTRANT"
229                 libdl="-ldl"
230                 libgc_threads=pthreads
231                 use_sigposix=yes
232                 if test "x$cross_compiling" != "xno"; then
233                         # to bypass the underscore linker check, not
234                         # available during cross-compilation
235                         mono_cv_uscore=no
236                 fi
237                 case "$host" in
238                 aarch64-*)
239                         support_boehm=no
240                         with_gc=sgen
241                         ;;
242                 esac
243                 ;;
244         *-*-nacl*)
245                 host_win32=no
246                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
247                 if test "x$disable_munmap" != "xyes"; then
248                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
249                 fi
250                 libmono_cflags="-D_REENTRANT"
251                 libdl=
252                 libgc_threads=pthreads
253                 use_sigposix=yes
254                 ikvm_native=no
255                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
256                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
257                 ;;
258         *-*-hpux*)
259                 host_win32=no
260                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
261                 # +ESdbgasm only valid on bundled cc on RISC
262                 # silently ignored for ia64
263                 if test $GCC != "yes"; then
264                         CFLAGS="$CFLAGS +ESdbgasm"
265                         # Arrange for run-time dereferencing of null
266                         # pointers to produce a SIGSEGV signal.
267                         LDFLAGS="$LDFLAGS -z"
268                 fi
269                 CFLAGS="$CFLAGS +ESdbgasm"
270                 LDFLAGS="$LDFLAGS -z"
271                 libmono_cflags="-D_REENTRANT"
272                 libmono_ldflags="-lpthread"
273                 libgc_threads=pthreads
274                 need_link_unlink=yes
275                 use_sigposix=yes
276                 ;;
277         *-*-solaris*)
278                 host_win32=no
279                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
280                 need_link_unlink=yes
281                 libmono_cflags="-D_REENTRANT"
282                 libgc_threads=pthreads
283                 # This doesn't seem to work on solaris/x86, but the configure test runs
284                 with_tls=pthread
285                 has_dtrace=yes
286                 use_sigposix=yes
287                 enable_solaris_tar_check=yes
288                 ;;
289         *-*-darwin*)
290                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
291                 host_win32=no
292                 platform_darwin=yes
293                 target_mach=yes
294                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
295                 libmono_cflags="-D_THREAD_SAFE"
296                 need_link_unlink=yes
297                 AC_DEFINE(PTHREAD_POINTER_ID)
298                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
299                 libdl=
300                 libgc_threads=pthreads
301                 has_dtrace=yes
302                 if test "x$cross_compiling" = "xyes"; then
303                         has_broken_apple_cpp=yes
304                 fi
305                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
306                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
307                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
308                 case "$host" in
309                         dnl Snow Leopard and newer config.guess reports as this
310                         i*86-*-darwin*)
311                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
312                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
313                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
314                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
315                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
316                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
317                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
318                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
319                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
320                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
321                                 ;;
322                         x*64-*-darwin*)
323                                 ;;
324                         arm*-darwin*)
325                                 has_dtrace=no
326                                 ;;                      
327                 esac
328                 ;;
329         *-*-haiku*)
330                 host_win32=no
331                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
332                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
333                 libdl=
334                 LIBS="$LIBS -lnetwork"
335                 need_link_unlink=yes
336                 AC_DEFINE(PTHREAD_POINTER_ID)
337                 libgc_threads=pthreads
338                 use_sigposix=yes
339                 ;;
340         *)
341                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
342                 host_win32=no
343                 libdl="-ldl"
344                 ;;
345 esac
346 AC_MSG_RESULT(ok)
347
348 if test x$need_link_unlink = xyes; then
349    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
350 fi
351
352 if test x$host_win32 = xyes; then
353    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
354 fi
355
356 if test x$target_win32 = xyes; then
357    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
358 fi
359
360 AC_SUBST(extra_runtime_ldflags)
361 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
362 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
363 AM_CONDITIONAL(PLATFORM_GNU, echo x$target_os | grep -q -- -gnu)
364 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
365 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
366 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
367 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
368
369 AC_CHECK_TOOL(CC, gcc, gcc)
370 AC_PROG_CC
371 AC_CHECK_TOOL(CXX, g++, g++)
372 AC_PROG_CXX
373 AM_PROG_AS
374 AC_PROG_INSTALL
375 AC_PROG_AWK
376 AM_PROG_CC_C_O
377 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
378 : ${CCAS='$(CC)'}
379 # Set ASFLAGS if not already set.
380 : ${CCASFLAGS='$(CFLAGS)'}
381 AC_SUBST(CCAS)
382 AC_SUBST(CCASFLAGS)
383
384 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
385 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
386 if test "x$CXX" = "xg++"; then
387         if test "x$GXX" != "xyes"; then
388                 # automake/libtool is so broken, it requires g++ even if the c++ sources
389                 # are inside automake conditionals
390                 AC_MSG_ERROR([You need to install g++])
391         fi
392 fi
393
394 dnl may require a specific autoconf version
395 dnl AC_PROG_CC_FOR_BUILD
396 dnl CC_FOR_BUILD not automatically detected
397 CC_FOR_BUILD=$CC
398 CFLAGS_FOR_BUILD=$CFLAGS
399 BUILD_EXEEXT=
400 if test "x$cross_compiling" = "xyes"; then
401         CC_FOR_BUILD=cc
402         CFLAGS_FOR_BUILD=
403         BUILD_EXEEXT=""
404 fi
405 AC_SUBST(CC_FOR_BUILD)
406 AC_SUBST(CFLAGS_FOR_BUILD)
407 AC_SUBST(HOST_CC)
408 AC_SUBST(BUILD_EXEEXT)
409
410 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
411 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
412
413 # Set STDC_HEADERS
414 AC_HEADER_STDC
415 AC_LIBTOOL_WIN32_DLL
416 # This causes monodis to not link correctly
417 #AC_DISABLE_FAST_INSTALL
418 AM_PROG_LIBTOOL
419 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
420 DOLT
421
422 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
423 AC_SUBST(export_ldflags)
424
425 # Test whenever ld supports -version-script
426 AC_PROG_LD
427 AC_PROG_LD_GNU
428
429 AM_ICONV()
430
431 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h sys/utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h sys/uio.h sys/param.h sys/sysctl.h libproc.h sys/prctl.h)
432 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/sem.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h sys/inotify.h arpa/inet.h complex.h)
433 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
434                   [], [], [#include <stddef.h>
435                   #include <sys/socket.h>
436                   #include <linux/socket.h>])
437
438 AC_CHECK_HEADERS(sys/user.h, [], [],
439 [
440 #ifdef HAVE_SYS_PARAM_H
441 # include <sys/param.h>
442 #endif
443 ])
444
445 AC_CHECK_HEADERS(linux/serial.h)
446
447 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
448 if test x$have_zlib = xyes; then
449    AC_TRY_COMPILE([#include <zlib.h>], [
450    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
451    return 0;
452    #else
453    #error No good zlib found
454    #endif
455    ],[
456         AC_MSG_RESULT(Using system zlib)
457         zlib_msg="system zlib"
458         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
459    ],[
460         AC_MSG_RESULT(Using embedded zlib)
461         have_zlib=no
462         zlib_msg="bundled zlib"
463    ])
464 fi
465
466 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
467 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
468
469 # for mono/metadata/debug-symfile.c
470 AC_CHECK_HEADERS(elf.h)
471
472 # for support
473 AC_CHECK_HEADERS(poll.h)
474 AC_CHECK_HEADERS(sys/poll.h)
475 AC_CHECK_HEADERS(sys/wait.h)
476 AC_CHECK_HEADERS(grp.h)
477 AC_CHECK_HEADERS(syslog.h)
478
479 # for mono/dis
480 AC_CHECK_HEADERS(wchar.h)
481 AC_CHECK_HEADERS(ieeefp.h)
482 AC_MSG_CHECKING(for isinf)
483 AC_TRY_LINK([#include <math.h>], [
484         int f = isinf (1.0);
485 ], [
486         AC_MSG_RESULT(yes)
487         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
488 ], [
489         # We'll have to use signals
490         AC_MSG_RESULT(no)
491 ])
492 # mingw
493 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
494         AC_TRY_LINK([#include <math.h>], 
495         [ _finite(0.0); ], 
496         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
497         AC_MSG_RESULT(no)))
498
499 # for Linux statfs support
500 AC_CHECK_HEADERS(linux/magic.h)
501
502 # not 64 bit clean in cross-compile
503 AC_CHECK_SIZEOF(void *, 4)
504
505 AC_CACHE_CHECK([for clang],
506         mono_cv_clang,[
507         AC_TRY_COMPILE([], [
508                 #ifdef __clang__
509                 #else
510                 #error "FAILED"
511                 #endif
512                 return 0;
513         ],
514         [mono_cv_clang=yes],
515         [mono_cv_clang=no],
516         [])
517 ])
518
519 AC_ARG_ENABLE(visibility-hidden,
520 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
521    disable_visibility_hidden=yes, disable_visibility_hidden=no)
522
523 WARN=''
524 if test x"$GCC" = xyes; then
525         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes'
526
527                 # We require C99 with some GNU extensions, e.g. `linux` macro
528                 CFLAGS="$CFLAGS -std=gnu99"
529
530                 # The runtime code does not respect ANSI C strict aliasing rules
531                 CFLAGS="$CFLAGS -fno-strict-aliasing"
532
533                 # We rely on signed overflow to behave
534                 CFLAGS="$CFLAGS -fwrapv"
535
536                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
537                 if test x"$disable_visibility_hidden" = xno; then
538                    # Don't export any symbols by default
539                    SHARED_CFLAGS="-fvisibility=hidden"
540                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
541                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
542                 fi
543
544                 ORIG_CFLAGS=$CFLAGS
545                 # Check for the normal version, since gcc ignores unknown -Wno options
546                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
547                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
548                 AC_TRY_COMPILE([],[
549                                 return 0;
550                 ], [
551                    AC_MSG_RESULT(yes)
552                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
553                 ], [
554                    AC_MSG_RESULT(no)
555                    CFLAGS=$ORIG_CFLAGS
556                 ])
557
558                 if test "x$mono_cv_clang" = "xyes"; then
559                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
560                    WARN="$WARN -Qunused-arguments"
561                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign"
562                 fi
563 else
564         # The Sun Forte compiler complains about inline functions that access static variables
565         # so disable all inlining.
566         case "$host" in
567         *-*-solaris*)
568                 CFLAGS="$CFLAGS -Dinline="
569                 ;;
570         esac
571 fi
572 CFLAGS="$CFLAGS -g $WARN"
573 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
574 CPPFLAGS="$CPPFLAGS -g $WARN"
575
576 # Where's the 'mcs' source tree?
577 if test -d $srcdir/mcs; then
578   mcsdir=mcs
579 else
580   mcsdir=../mcs
581 fi
582
583 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
584         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
585                 mcsdir=$with_mcs_path
586         fi
587 )
588
589 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
590
591 #
592 # A sanity check to catch cases where the package was unpacked
593 # with an ancient tar program (Solaris)
594 #
595 AC_ARG_ENABLE(solaris-tar-check,
596 [  --disable-solaris-tar-check    disable solaris tar check],
597    do_solaris_tar_check=no, do_solaris_tar_check=yes)
598
599 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
600         AC_MSG_CHECKING(integrity of package)
601         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
602         then
603                 AC_MSG_RESULT(ok)
604         else
605                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
606                 AC_MSG_ERROR([$errorm])
607         fi
608 fi
609
610 if test "x$with_mcs_path" != "x"; then
611 mcs_topdir=$(cd "$mcsdir" && pwd)
612 mcs_topdir_from_srcdir=$mcs_topdir
613 else
614 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
615 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
616 fi
617
618 # Convert mcs_topdir* paths to Windows syntax.
619 if test x$cross_compiling$host_win32 = xnoyes; then
620   mcs_topdir=$(cygpath -m $mcs_topdir)
621   case $mcs_topdir_from_srcdir in
622     /cygdrive/*)
623         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
624         ;;
625   esac
626 fi
627
628 AC_SUBST([mcs_topdir])
629 AC_SUBST([mcs_topdir_from_srcdir])
630
631 # gettext: prepare the translation directories. 
632 # we do not configure the full gettext, as we consume it dynamically from C#
633 AM_PO_SUBDIRS
634
635 if test "x$USE_NLS" = "xyes"; then
636    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
637
638    if test "x$HAVE_MSGFMT" = "xno"; then
639           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
640    fi
641 fi
642
643 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
644
645 pkg_config_path=
646 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
647         if test x$with_crosspkgdir = "x"; then
648                 if test -s $PKG_CONFIG_PATH; then
649                         pkg_config_path=$PKG_CONFIG_PATH
650                 fi
651         else
652                 pkg_config_path=$with_crosspkgdir
653                 PKG_CONFIG_PATH=$pkg_config_path
654                 export PKG_CONFIG_PATH
655         fi
656 )
657
658 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
659 if test x$werror_flag = xyes; then
660         WERROR_CFLAGS="-Werror"
661 fi
662 AC_SUBST([WERROR_CFLAGS])
663 AC_SUBST([SHARED_CFLAGS])
664
665 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
666 AC_CONFIG_SUBDIRS(eglib)
667
668 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
669 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
670 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
671 BUILD_GLIB_LIBS="$GLIB_LIBS"
672 GMODULE_CFLAGS="$GLIB_CFLAGS"
673 GMODULE_LIBS="$GLIB_LIBS"
674   
675 AC_SUBST(GLIB_CFLAGS)
676 AC_SUBST(GLIB_LIBS)
677 AC_SUBST(GMODULE_CFLAGS)
678 AC_SUBST(GMODULE_LIBS)
679 AC_SUBST(BUILD_GLIB_CFLAGS)
680 AC_SUBST(BUILD_GLIB_LIBS)
681
682 # Enable support for fast thread-local storage
683 # Some systems have broken support, so we allow to disable it.
684 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
685
686 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
687 # This does not work on some platforms (bug #55253)
688 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
689
690 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
691 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
692 # Same as --with-shared_mono=no
693 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
694
695 if test "x$enable_static" = "xno"; then
696    with_static_mono=no
697 fi
698
699 if test "x$enable_shared" = "xno"; then
700    with_shared_mono=no
701 fi
702
703 if test "x$enable_libraries" = "xno"; then
704    with_shared_mono=no
705 fi
706
707 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
708
709 case $host in
710 *nacl* ) with_shared_mono=yes;;
711 esac
712
713 if test "x$host_win32" = "xyes"; then
714    # Boehm GC requires the runtime to be in its own dll
715    with_static_mono=no
716 fi
717
718 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
719 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
720 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
721
722 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
723 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
724         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
725         ORIG_CFLAGS=$CFLAGS
726         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
727         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
728         AC_TRY_COMPILE([], [
729                 return 0;
730         ], [
731            AC_MSG_RESULT(yes)
732            # Pass it to libgc as well
733            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
734         ], [
735            AC_MSG_RESULT(no)
736            CFLAGS=$ORIG_CFLAGS
737         ])
738 fi
739
740 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
741
742 if test x$enable_small_config = xyes; then
743         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
744         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
745 fi
746
747 AC_ARG_ENABLE(system-aot, [  --enable-system-aot  Enable the Ahead-Of-Time compilation of system assemblies during the build (on by default on some platforms)], enable_system_aot=$enableval, enable_system_aot=default)
748
749 DISABLED_FEATURES=none
750
751 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
752      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
753      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
754          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying, shared_handles.],
755 [
756         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
757                 eval "mono_feature_disable_$feature='yes'"
758         done
759         DISABLED_FEATURES=$enable_minimal
760         disabled="Disabled:      $enable_minimal"
761 ],[])
762
763 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
764
765 if test "x$mono_feature_disable_aot" = "xyes"; then
766         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
767         AC_MSG_NOTICE([Disabled AOT compiler])
768 fi
769
770 if test "x$mono_feature_disable_profiler" = "xyes"; then
771         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
772         AC_MSG_NOTICE([Disabled support for the profiler])
773 fi
774 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
775
776 if test "x$mono_feature_disable_decimal" = "xyes"; then
777         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
778         AC_MSG_NOTICE([Disabled support for decimal])
779 fi
780
781 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
782         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
783         AC_MSG_NOTICE([Disabled support for P/Invoke])
784 fi
785
786 if test "x$mono_feature_disable_debug" = "xyes"; then
787         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
788         AC_MSG_NOTICE([Disabled support for runtime debugging])
789 fi
790
791 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
792         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
793         mono_feature_disable_reflection_emit_save=yes
794         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
795 fi
796
797 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
798         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
799         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
800 fi
801
802 if test "x$mono_feature_disable_large_code" = "xyes"; then
803         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
804         AC_MSG_NOTICE([Disabled support for large assemblies])
805 fi
806
807 if test "x$mono_feature_disable_logging" = "xyes"; then
808         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
809         AC_MSG_NOTICE([Disabled support for logging])
810 fi
811
812 if test "x$mono_feature_disable_com" = "xyes"; then
813         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
814         AC_MSG_NOTICE([Disabled COM support])
815 fi
816
817 if test "x$mono_feature_disable_ssa" = "xyes"; then
818         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
819         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
820 fi
821
822 if test "x$mono_feature_disable_generics" = "xyes"; then
823         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
824         AC_MSG_NOTICE([Disabled Generics Support])
825 fi
826
827 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
828         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
829         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
830 fi
831
832 if test "x$mono_feature_disable_portability" = "xyes"; then
833         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
834         AC_MSG_NOTICE([Disabled IO Portability layer])
835 fi
836
837 if test "x$mono_feature_disable_attach" = "xyes"; then
838         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
839         AC_MSG_NOTICE([Disabled agent attach])
840 fi
841
842 if test "x$mono_feature_disable_full_messages" = "xyes"; then
843         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
844         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
845 fi
846
847 if test "x$mono_feature_disable_verifier" = "xyes"; then
848         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
849         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
850 fi
851
852 if test "x$mono_feature_disable_jit" = "xyes"; then
853         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
854         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
855 fi
856
857 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
858
859 if test "x$mono_feature_disable_simd" = "xyes"; then
860         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
861         AC_MSG_NOTICE([Disabled SIMD support])
862 fi
863
864 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
865         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
866         AC_MSG_NOTICE([Disabled Soft Debugger.])
867 fi
868
869 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
870         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
871         AC_MSG_NOTICE([Disabled Performance Counters.])
872 fi
873 if test "x$mono_feature_disable_normalization" = "xyes"; then
874         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
875         AC_MSG_NOTICE([Disabled String normalization support.])
876 fi
877
878 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
879         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
880         AC_MSG_NOTICE([Disabled Assembly remapping.])
881 fi
882
883 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
884         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
885         AC_MSG_NOTICE([Disabled Shared perfcounters.])
886 fi
887
888 if test "x$mono_feature_disable_appdomains" = "xyes"; then
889         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
890         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
891 fi
892
893 if test "x$mono_feature_disable_remoting" = "xyes"; then
894         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
895         AC_MSG_NOTICE([Disabled remoting])
896 fi
897
898 if test "x$mono_feature_disable_security" = "xyes"; then
899         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
900         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
901 fi
902
903 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
904         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
905         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
906 fi
907
908 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
909         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
910         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
911 fi
912
913 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
914         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
915         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
916 fi
917
918 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
919         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
920         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
921 fi
922
923 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
924         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
925         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
926 fi
927
928 if test "x$mono_feature_disable_shared_handles" = "xyes"; then
929         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
930         AC_SUBST(DISABLE_SHARED_HANDLES)
931 fi
932
933 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
934 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
935
936 has_extension_module=no
937 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
938 [
939         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
940                 if test x$extension = xdefault ; then
941                         has_extension_module=yes;
942                 fi
943         done
944         if test x$enable_extension_module = xyes; then
945                 has_extension_module=yes;
946         fi
947 ], [])
948
949 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
950
951 if test x$has_extension_module != xno ; then
952         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
953         AC_MSG_NOTICE([Enabling mono extension module.])
954 fi
955
956 AC_ARG_ENABLE(gsharing, [  --enable-gsharing Enable gsharing], enable_gsharing=$enableval, enable_gsharing=no)
957 if test x$enable_gsharing = xyes; then
958         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharing])
959 fi
960
961 # A synonym
962 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing], enable_gsharedvt=$enableval, enable_gsharedvt=no)
963 if test x$enable_gsharedvt = xyes; then
964         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharedvt])
965 fi
966
967 AC_ARG_ENABLE(native-types, [  --enable-native-types Enable native types], enable_native_types=$enableval, enable_native_types=no)
968 if test x$enable_native_types = xyes; then
969         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
970 fi
971
972 AC_MSG_CHECKING(for visibility __attribute__)
973 AC_COMPILE_IFELSE([
974         AC_LANG_SOURCE([[
975                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
976                 int main () { doit (); return 0; }
977         ]])
978 ], [
979    have_visibility_hidden=yes
980    AC_MSG_RESULT(yes)
981 ], [
982    have_visibility_hidden=no
983    AC_MSG_RESULT(no)
984 ])
985
986 AC_MSG_CHECKING(for deprecated __attribute__)
987 AC_TRY_COMPILE([
988      int doit (void) __attribute__ ((deprecated));
989      int doit (void) { return 0; }
990 ], [
991         return 0;
992 ], [
993    have_deprecated=yes
994    AC_MSG_RESULT(yes)
995 ], [
996    have_deprecated=no
997    AC_MSG_RESULT(no)
998 ])
999
1000 dnl
1001 dnl Boehm GC configuration
1002 dnl
1003
1004 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
1005
1006 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1007 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1008
1009 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1010 if test x$enable_parallel_mark = xyes; then
1011         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1012 fi
1013
1014 gc_msg=""
1015 LIBGC_CPPFLAGS=
1016 LIBGC_LIBS=
1017 LIBGC_STATIC_LIBS=
1018 libgc_dir=
1019 case "x$libgc" in
1020         xincluded)
1021                 if test "x$support_boehm" = "xyes"; then
1022                         libgc_dir=libgc
1023                 fi
1024
1025                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1026                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1027                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1028
1029                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1030
1031                 if test x$target_win32 = xyes; then
1032                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1033                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1034                 fi
1035
1036                 gc_msg="Included Boehm GC with typed GC"
1037                 if test x$enable_parallel_mark = xyes; then
1038                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1039                         gc_msg="$gc_msg and parallel mark"
1040                 else
1041                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1042                 fi
1043                 ;;
1044
1045         xboehm|xbohem|xyes)
1046                 AC_MSG_WARN("External Boehm is no longer supported")
1047                 ;;
1048
1049         xsgen)
1050                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1051                 ;;
1052
1053         xnone)
1054                 AC_MSG_WARN("Compiling mono without GC.")
1055                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1056                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1057                 gc_msg="none"
1058                 ;;
1059         *)
1060                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1061                 ;;
1062 esac
1063
1064 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1065 if test "x$large_heap" = "xyes"; then
1066    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1067 fi
1068
1069 AC_SUBST(LIBGC_CPPFLAGS)
1070 AC_SUBST(LIBGC_LIBS)
1071 AC_SUBST(LIBGC_STATIC_LIBS)
1072 AC_SUBST(libgc_dir)
1073 AC_SUBST(BOEHM_DEFINES)
1074
1075 dnl
1076 dnl End of Boehm GC Configuration
1077 dnl
1078
1079 dnl *************************************
1080 dnl *** Checks for zero length arrays ***
1081 dnl *************************************
1082 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1083 AC_TRY_COMPILE([
1084         struct s {
1085                 int  length;
1086                 char data [0];
1087         };
1088 ], [], [
1089         AC_MSG_RESULT(yes)
1090         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1091 ], [
1092         AC_MSG_RESULT(no)
1093         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1094 ])
1095
1096 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1097
1098 dnl ***********************************
1099 dnl *** Checks for signals
1100 dnl ***********************************
1101 AC_CHECK_HEADERS(signal.h)
1102 AC_CHECK_FUNCS(sigaction)
1103 AC_CHECK_FUNCS(kill)
1104 AC_CHECK_FUNCS(signal)
1105
1106 if test x$host_win32 = xno; then
1107
1108         dnl hires monotonic clock support
1109         AC_SEARCH_LIBS(clock_gettime, rt)
1110
1111         dnl dynamic loader support
1112         AC_CHECK_FUNC(dlopen, DL_LIB="",
1113                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1114         )
1115         if test x$dl_support = xno; then
1116                 AC_MSG_WARN([No dynamic loading support available])
1117         else
1118                 LIBS="$LIBS $DL_LIB"
1119                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1120                 dnl from glib's configure.ac
1121                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1122                         mono_cv_uscore,[
1123                         AC_TRY_RUN([#include <dlfcn.h>
1124                         int mono_underscore_test (void) { return 42; }
1125                         int main() {
1126                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1127                           handle = dlopen ((void*)0, 0);
1128                           if (handle) {
1129                             f1 = dlsym (handle, "mono_underscore_test");
1130                             f2 = dlsym (handle, "_mono_underscore_test");
1131                           } return (!f2 || f1);
1132                         }],
1133                                 [mono_cv_uscore=yes],
1134                                 [mono_cv_uscore=no],
1135                         [])
1136                 ])
1137                 if test "x$mono_cv_uscore" = "xyes"; then
1138                         MONO_DL_NEED_USCORE=1
1139                 else
1140                         MONO_DL_NEED_USCORE=0
1141                 fi
1142                 AC_SUBST(MONO_DL_NEED_USCORE)
1143                 AC_CHECK_FUNC(dlerror)
1144         fi
1145
1146         dnl ******************************************************************
1147         dnl *** Checks for the IKVM JNI interface library                  ***
1148         dnl ******************************************************************
1149         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])
1150
1151         ikvm_native_dir=
1152         if test x$with_ikvm_native = xyes; then
1153                 ikvm_native_dir=ikvm-native
1154                 jdk_headers_found="IKVM Native"
1155         fi
1156
1157         AC_SUBST(ikvm_native_dir)
1158
1159         AC_CHECK_HEADERS(execinfo.h)
1160
1161         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1162
1163         AC_CHECK_FUNCS(getgrgid_r)
1164         AC_CHECK_FUNCS(getgrnam_r)
1165         AC_CHECK_FUNCS(getpwnam_r)
1166         AC_CHECK_FUNCS(getpwuid_r)
1167         AC_CHECK_FUNCS(getresuid)
1168         AC_CHECK_FUNCS(setresuid)
1169         AC_CHECK_FUNCS(kqueue)
1170         AC_CHECK_FUNCS(backtrace_symbols)
1171         AC_CHECK_FUNCS(mkstemp)
1172         AC_CHECK_FUNCS(mmap)
1173         AC_CHECK_FUNCS(madvise)
1174         AC_CHECK_FUNCS(getrusage)
1175         AC_CHECK_FUNCS(getpriority)
1176         AC_CHECK_FUNCS(setpriority)
1177         AC_CHECK_FUNCS(dl_iterate_phdr)
1178         AC_CHECK_FUNCS(dladdr)
1179         AC_CHECK_FUNCS(sysconf)
1180         AC_CHECK_FUNCS(getrlimit)
1181         AC_CHECK_FUNCS(prctl)
1182
1183         AC_CHECK_FUNCS(sched_setaffinity)
1184         AC_CHECK_FUNCS(sched_getcpu)
1185
1186         dnl ****************************************************************
1187         dnl *** Check for sched_setaffinity from glibc versions before   ***
1188         dnl *** 2.3.4. The older versions of the function only take 2    ***
1189         dnl *** parameters, not 3.                                       ***
1190         dnl ***                                                          ***
1191         dnl *** Because the interface change was not made in a minor     ***
1192         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1193         dnl *** won't always indicate the interface sched_affinity has.  ***
1194         dnl ****************************************************************
1195         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1196         AC_TRY_COMPILE([#include <sched.h>], [
1197             int mask = 1; 
1198             sched_setaffinity(0, &mask);
1199                         return 0;
1200         ], [
1201                 # Yes, we have it...
1202                 AC_MSG_RESULT(yes)
1203                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1204         ], [
1205                 # We have the new, three-parameter version
1206                 AC_MSG_RESULT(no)
1207         ])
1208
1209
1210         dnl ******************************************************************
1211         dnl *** Check for large file support                               ***
1212         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1213         dnl ******************************************************************
1214         
1215         # Check that off_t can represent 2**63 - 1 correctly, working around
1216         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1217         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1218         large_offt=no
1219         AC_DEFUN([LARGE_FILES], [
1220                 large_CPPFLAGS=$CPPFLAGS
1221                 CPPFLAGS="$CPPFLAGS $1"
1222                 AC_TRY_COMPILE([
1223                         #include <sys/types.h>
1224                         #include <limits.h>
1225                 ], [
1226                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1227                         #define COMPILE_TIME_ASSERT(pred) \
1228                                 switch(0){case 0:case pred:;}
1229                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1230                 ], [
1231                         AC_MSG_RESULT(ok)
1232                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1233                         large_CPPFLAGS="$large_CPPFLAGS $1"
1234                         large_offt=yes
1235                 ], [
1236                         AC_MSG_RESULT(no)
1237                 ])
1238                 CPPFLAGS=$large_CPPFLAGS
1239         ])
1240
1241         AC_MSG_CHECKING(if off_t is 64 bits wide)
1242         LARGE_FILES("")
1243         if test $large_offt = no; then
1244                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1245                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1246         fi
1247         if test $large_offt = no; then
1248                 AC_MSG_WARN([No 64 bit file size support available])
1249         fi
1250         
1251         dnl *****************************
1252         dnl *** Checks for libsocket  ***
1253         dnl *****************************
1254         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1255
1256         case "$host" in
1257                 *-*-*freebsd*)
1258                         dnl *****************************
1259                         dnl *** Checks for libinotify ***
1260                         dnl *****************************
1261                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1262         esac
1263
1264         dnl *******************************
1265         dnl *** Checks for MSG_NOSIGNAL ***
1266         dnl *******************************
1267         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1268         AC_TRY_COMPILE([#include <sys/socket.h>], [
1269                 int f = MSG_NOSIGNAL;
1270         ], [
1271                 # Yes, we have it...
1272                 AC_MSG_RESULT(yes)
1273                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1274         ], [
1275                 # We'll have to use signals
1276                 AC_MSG_RESULT(no)
1277         ])
1278
1279         dnl *****************************
1280         dnl *** Checks for IPPROTO_IP ***
1281         dnl *****************************
1282         AC_MSG_CHECKING(for IPPROTO_IP)
1283         AC_TRY_COMPILE([#include <netinet/in.h>], [
1284                 int level = IPPROTO_IP;
1285         ], [
1286                 # Yes, we have it...
1287                 AC_MSG_RESULT(yes)
1288                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1289         ], [
1290                 # We'll have to use getprotobyname
1291                 AC_MSG_RESULT(no)
1292         ])
1293
1294         dnl *******************************
1295         dnl *** Checks for IPPROTO_IPV6 ***
1296         dnl *******************************
1297         AC_MSG_CHECKING(for IPPROTO_IPV6)
1298         AC_TRY_COMPILE([#include <netinet/in.h>], [
1299                 int level = IPPROTO_IPV6;
1300         ], [
1301                 # Yes, we have it...
1302                 AC_MSG_RESULT(yes)
1303                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1304         ], [
1305                 # We'll have to use getprotobyname
1306                 AC_MSG_RESULT(no)
1307         ])
1308
1309         dnl ******************************
1310         dnl *** Checks for IPPROTO_TCP ***
1311         dnl ******************************
1312         AC_MSG_CHECKING(for IPPROTO_TCP)
1313         AC_TRY_COMPILE([#include <netinet/in.h>], [
1314                 int level = IPPROTO_TCP;
1315         ], [
1316                 # Yes, we have it...
1317                 AC_MSG_RESULT(yes)
1318                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1319         ], [
1320                 # We'll have to use getprotobyname
1321                 AC_MSG_RESULT(no)
1322         ])
1323
1324         dnl *****************************
1325         dnl *** Checks for SOL_IP     ***
1326         dnl *****************************
1327         AC_MSG_CHECKING(for SOL_IP)
1328         AC_TRY_COMPILE([#include <netdb.h>], [
1329                 int level = SOL_IP;
1330         ], [
1331                 # Yes, we have it...
1332                 AC_MSG_RESULT(yes)
1333                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1334         ], [
1335                 # We'll have to use getprotobyname
1336                 AC_MSG_RESULT(no)
1337         ])
1338
1339         dnl *****************************
1340         dnl *** Checks for SOL_IPV6     ***
1341         dnl *****************************
1342         AC_MSG_CHECKING(for SOL_IPV6)
1343         AC_TRY_COMPILE([#include <netdb.h>], [
1344                 int level = SOL_IPV6;
1345         ], [
1346                 # Yes, we have it...
1347                 AC_MSG_RESULT(yes)
1348                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1349         ], [
1350                 # We'll have to use getprotobyname
1351                 AC_MSG_RESULT(no)
1352         ])
1353
1354         dnl *****************************
1355         dnl *** Checks for SOL_TCP    ***
1356         dnl *****************************
1357         AC_MSG_CHECKING(for SOL_TCP)
1358         AC_TRY_COMPILE([#include <netdb.h>], [
1359                 int level = SOL_TCP;
1360         ], [
1361                 # Yes, we have it...
1362                 AC_MSG_RESULT(yes)
1363                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1364         ], [
1365                 # We'll have to use getprotobyname
1366                 AC_MSG_RESULT(no)
1367         ])
1368
1369         dnl *****************************
1370         dnl *** Checks for IP_PKTINFO ***
1371         dnl *****************************
1372         AC_MSG_CHECKING(for IP_PKTINFO)
1373         AC_TRY_COMPILE([#include <linux/in.h>], [
1374                 int level = IP_PKTINFO;
1375         ], [
1376                 # Yes, we have it...
1377                 AC_MSG_RESULT(yes)
1378                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1379         ], [
1380                 AC_MSG_RESULT(no)
1381         ])
1382
1383         dnl *****************************
1384         dnl *** Checks for IPV6_PKTINFO ***
1385         dnl *****************************
1386         AC_MSG_CHECKING(for IPV6_PKTINFO)
1387         AC_TRY_COMPILE([#include <netdb.h>], [
1388                 int level = IPV6_PKTINFO;
1389         ], [
1390                 # Yes, we have it...
1391                 AC_MSG_RESULT(yes)
1392                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1393         ], [
1394                 AC_MSG_RESULT(no)
1395         ])
1396
1397         dnl **********************************
1398         dnl *** Checks for IP_DONTFRAG     ***
1399         dnl **********************************
1400         AC_MSG_CHECKING(for IP_DONTFRAG)
1401         AC_TRY_COMPILE([#include <netinet/in.h>], [
1402                 int level = IP_DONTFRAG;
1403         ], [
1404                 # Yes, we have it...
1405                 AC_MSG_RESULT(yes)
1406                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1407         ], [
1408                 AC_MSG_RESULT(no)
1409         ])
1410
1411         dnl **********************************
1412         dnl *** Checks for IP_DONTFRAGMENT ***
1413         dnl **********************************
1414         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1415         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1416                 int level = IP_DONTFRAGMENT;
1417         ], [
1418                 # Yes, we have it...
1419                 AC_MSG_RESULT(yes)
1420                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1421         ], [
1422                 AC_MSG_RESULT(no)
1423         ])
1424
1425         dnl **********************************
1426         dnl *** Checks for IP_MTU_DISCOVER ***
1427         dnl **********************************
1428         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1429         AC_TRY_COMPILE([#include <linux/in.h>], [
1430                 int level = IP_MTU_DISCOVER;
1431         ], [
1432                 # Yes, we have it...
1433                 AC_MSG_RESULT(yes)
1434                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1435         ], [
1436                 AC_MSG_RESULT(no)
1437         ])
1438
1439         dnl **********************************
1440         dnl *** Checks for  IP_PMTUDISC_DO ***
1441         dnl **********************************
1442         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1443         AC_TRY_COMPILE([#include <linux/in.h>], [
1444                 int level = IP_PMTUDISC_DO;
1445         ], [
1446                 # Yes, we have it...
1447                 AC_MSG_RESULT(yes)
1448                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1449         ], [
1450                 AC_MSG_RESULT(no)
1451         ])
1452
1453         dnl *********************************
1454         dnl *** Check for struct ip_mreqn ***
1455         dnl *********************************
1456         AC_MSG_CHECKING(for struct ip_mreqn)
1457         AC_TRY_COMPILE([#include <netinet/in.h>], [
1458                 struct ip_mreqn mreq;
1459                 mreq.imr_address.s_addr = 0;
1460         ], [
1461                 # Yes, we have it...
1462                 AC_MSG_RESULT(yes)
1463                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1464         ], [
1465                 # We'll just have to try and use struct ip_mreq
1466                 AC_MSG_RESULT(no)
1467                 AC_MSG_CHECKING(for struct ip_mreq)
1468                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1469                         struct ip_mreq mreq;
1470                         mreq.imr_interface.s_addr = 0;
1471                 ], [
1472                         # Yes, we have it...
1473                         AC_MSG_RESULT(yes)
1474                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1475                 ], [
1476                         # No multicast support
1477                         AC_MSG_RESULT(no)
1478                 ])
1479         ])
1480         
1481         dnl **********************************
1482         dnl *** Check for getaddrinfo ***
1483         dnl **********************************
1484         AC_MSG_CHECKING(for getaddrinfo)
1485                 AC_TRY_LINK([
1486                 #include <stdio.h>
1487                 #include <netdb.h>
1488         ], [
1489                 getaddrinfo(NULL,NULL,NULL,NULL);
1490         ], [
1491                 # Yes, we have it...
1492                 AC_MSG_RESULT(yes)
1493                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1494         ], [
1495                 AC_MSG_RESULT(no)
1496         ])
1497
1498         dnl **********************************
1499         dnl *** Check for gethostbyname2_r ***
1500         dnl **********************************
1501         AC_MSG_CHECKING(for gethostbyname2_r)
1502                 AC_TRY_LINK([
1503                 #include <stdio.h>
1504                 #include <netdb.h>
1505         ], [
1506
1507                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1508         ], [
1509                 # Yes, we have it...
1510                 AC_MSG_RESULT(yes)
1511                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1512         ], [
1513                 AC_MSG_RESULT(no)
1514         ])
1515
1516         dnl **********************************
1517         dnl *** Check for gethostbyname2 ***
1518         dnl **********************************
1519         AC_MSG_CHECKING(for gethostbyname2)
1520                 AC_TRY_LINK([
1521                 #include <stdio.h>
1522                 #include <netdb.h>
1523         ], [
1524                 gethostbyname2(NULL,0);
1525         ], [
1526                 # Yes, we have it...
1527                 AC_MSG_RESULT(yes)
1528                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1529         ], [
1530                 AC_MSG_RESULT(no)
1531         ])
1532
1533         dnl **********************************
1534         dnl *** Check for gethostbyname ***
1535         dnl **********************************
1536         AC_MSG_CHECKING(for gethostbyname)
1537                 AC_TRY_LINK([
1538                 #include <stdio.h>
1539                 #include <netdb.h>
1540         ], [
1541                 gethostbyname(NULL);
1542         ], [
1543                 # Yes, we have it...
1544                 AC_MSG_RESULT(yes)
1545                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1546         ], [
1547                 AC_MSG_RESULT(no)
1548         ])
1549
1550         dnl **********************************
1551         dnl *** Check for getprotobyname ***
1552         dnl **********************************
1553         AC_MSG_CHECKING(for getprotobyname)
1554                 AC_TRY_LINK([
1555                 #include <stdio.h>
1556                 #include <netdb.h>
1557         ], [
1558                 getprotobyname(NULL);
1559         ], [
1560                 # Yes, we have it...
1561                 AC_MSG_RESULT(yes)
1562                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1563         ], [
1564                 AC_MSG_RESULT(no)
1565         ])
1566
1567         dnl **********************************
1568         dnl *** Check for getnameinfo ***
1569         dnl **********************************
1570         AC_MSG_CHECKING(for getnameinfo)
1571                 AC_TRY_LINK([
1572                 #include <stdio.h>
1573                 #include <netdb.h>
1574         ], [
1575                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1576         ], [
1577                 # Yes, we have it...
1578                 AC_MSG_RESULT(yes)
1579                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1580         ], [
1581                 AC_MSG_RESULT(no)
1582         ])
1583
1584
1585         dnl **********************************
1586         dnl *** Check for inet_ntop ***
1587         dnl **********************************
1588         AC_MSG_CHECKING(for inet_ntop)
1589                 AC_TRY_LINK([
1590                 #include <stdio.h>
1591                 #include <arpa/inet.h>
1592         ], [
1593                 inet_ntop (0, NULL, NULL, 0);
1594         ], [
1595                 # Yes, we have it...
1596                 AC_MSG_RESULT(yes)
1597                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1598         ], [
1599                 AC_MSG_RESULT(no)
1600         ])
1601
1602         dnl *****************************
1603         dnl *** Checks for libnsl     ***
1604         dnl *****************************
1605         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1606
1607         AC_CHECK_FUNCS(inet_pton inet_aton)
1608
1609         dnl *****************************
1610         dnl *** Checks for libxnet    ***
1611         dnl *****************************
1612         case "${host}" in
1613                 *solaris* )
1614                         AC_MSG_CHECKING(for Solaris XPG4 support)
1615                         if test -f /usr/lib/libxnet.so; then
1616                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1617                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1618                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1619                                 LIBS="$LIBS -lxnet"
1620                                 AC_MSG_RESULT(yes)
1621                         else
1622                                 AC_MSG_RESULT(no)
1623                         fi
1624
1625                         if test "$GCC" = "yes"; then
1626                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1627                         fi
1628                 ;;
1629         esac
1630
1631         dnl *****************************
1632         dnl *** Checks for libpthread ***
1633         dnl *****************************
1634 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1635 # and libpthread does not exist
1636 #
1637         case "${host}" in
1638                 *-*-*freebsd*)
1639                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1640                 ;;
1641                 *-*-*openbsd*)
1642                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1643                 ;;
1644                 *)
1645                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1646                 ;;
1647         esac
1648         AC_CHECK_HEADERS(pthread.h)
1649         AC_CHECK_HEADERS(pthread_np.h)
1650         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1651         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1652         AC_CHECK_FUNCS(pthread_kill)
1653         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1654         AC_TRY_COMPILE([ #include <pthread.h>], [
1655                 pthread_mutexattr_t attr;
1656                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1657         ], [
1658                 AC_MSG_RESULT(ok)
1659         ], [
1660                 AC_MSG_RESULT(no)
1661                 AC_ERROR(Posix system lacks support for recursive mutexes)
1662         ])
1663         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1664         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1665         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1666
1667         dnl **********************************
1668         dnl *** Check for mincore ***
1669         dnl **********************************
1670         AC_MSG_CHECKING(for mincore)
1671                 AC_TRY_LINK([
1672                 #include <stdio.h>
1673                 #include <sys/types.h>
1674                 #include <sys/mman.h>
1675         ], [
1676                 mincore(NULL, 0, NULL);
1677         ], [
1678                 # Yes, we have it...
1679                 AC_MSG_RESULT(yes)
1680                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1681         ], [
1682                 AC_MSG_RESULT(no)
1683         ])
1684
1685         dnl ***********************************
1686         dnl *** Checks for working __thread ***
1687         dnl ***********************************
1688         AC_MSG_CHECKING(for working __thread)
1689         if test "x$with_tls" != "x__thread"; then
1690                 AC_MSG_RESULT(disabled)
1691         elif test "x$cross_compiling" = "xyes"; then
1692                 AC_MSG_RESULT(cross compiling, assuming yes)
1693         else
1694                 AC_TRY_RUN([
1695                         #if defined(__APPLE__) && defined(__clang__)
1696                         #error "__thread does not currently work with clang on Mac OS X"
1697                         #endif
1698                         
1699                         #include <pthread.h>
1700                         __thread int i;
1701                         static int res1, res2;
1702
1703                         void thread_main (void *arg)
1704                         {
1705                                 i = arg;
1706                                 sleep (1);
1707                                 if (arg == 1)
1708                                         res1 = (i == arg);
1709                                 else
1710                                         res2 = (i == arg);
1711                         }
1712
1713                         int main () {
1714                                 pthread_t t1, t2;
1715
1716                                 i = 5;
1717
1718                                 pthread_create (&t1, NULL, thread_main, 1);
1719                                 pthread_create (&t2, NULL, thread_main, 2);
1720
1721                                 pthread_join (t1, NULL);
1722                                 pthread_join (t2, NULL);
1723
1724                                 return !(res1 + res2 == 2);
1725                         }
1726                 ], [
1727                                 AC_MSG_RESULT(yes)
1728                 ], [
1729                                 AC_MSG_RESULT(no)
1730                                 with_tls=pthread
1731                 ])
1732         fi
1733
1734         dnl **************************************
1735         dnl *** Checks for working sigaltstack ***
1736         dnl **************************************
1737         AC_MSG_CHECKING(for working sigaltstack)
1738         if test "x$with_sigaltstack" != "xyes"; then
1739                 AC_MSG_RESULT(disabled)
1740         elif test "x$cross_compiling" = "xyes"; then
1741                 AC_MSG_RESULT(cross compiling, assuming yes)
1742         else
1743                 AC_TRY_RUN([
1744                         #include <stdio.h>
1745                         #include <stdlib.h>
1746                         #include <unistd.h>
1747                         #include <signal.h>
1748                         #include <pthread.h>
1749                         #include <sys/wait.h>
1750                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1751                         #define SA_STACK SA_ONSTACK
1752                         #endif
1753                         static void
1754                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1755                         {
1756                                 exit (0);
1757                         }
1758
1759                         volatile char*__ptr = NULL;
1760                         static void *
1761                         loop (void *ignored)
1762                         {
1763                                 *__ptr = 0;
1764                                 return NULL;
1765                         }
1766
1767                         static void
1768                         child ()
1769                         {
1770                                 struct sigaction sa;
1771                         #ifdef __APPLE__
1772                                 stack_t sas;
1773                         #else
1774                                 struct sigaltstack sas;
1775                         #endif
1776                                 pthread_t id;
1777                                 pthread_attr_t attr;
1778
1779                                 sa.sa_sigaction = sigsegv_signal_handler;
1780                                 sigemptyset (&sa.sa_mask);
1781                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1782                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1783                                         perror ("sigaction");
1784                                         return;
1785                                 }
1786
1787                                 /* x86 darwin deliver segfaults using SIGBUS */
1788                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1789                                         perror ("sigaction");
1790                                         return;
1791                                 }
1792                                 sas.ss_sp = malloc (SIGSTKSZ);
1793                                 sas.ss_size = SIGSTKSZ;
1794                                 sas.ss_flags = 0;
1795                                 if (sigaltstack (&sas, NULL) == -1) {
1796                                         perror ("sigaltstack");
1797                                         return;
1798                                 }
1799
1800                                 pthread_attr_init (&attr);
1801                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1802                                         printf ("pthread_create\n");
1803                                         return;
1804                                 }
1805
1806                                 sleep (100);
1807                         }
1808
1809                         int
1810                         main ()
1811                         {
1812                                 pid_t son;
1813                                 int status;
1814                                 int i;
1815
1816                                 son = fork ();
1817                                 if (son == -1) {
1818                                         return 1;
1819                                 }
1820
1821                                 if (son == 0) {
1822                                         child ();
1823                                         return 0;
1824                                 }
1825
1826                                 for (i = 0; i < 300; ++i) {
1827                                         waitpid (son, &status, WNOHANG);
1828                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1829                                                 return 0;
1830                                         usleep (10000);
1831                                 }
1832
1833                                 kill (son, SIGKILL);
1834                                 return 1;
1835                         }
1836
1837                 ], [
1838                                 AC_MSG_RESULT(yes)
1839                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1840                 ], [
1841                                 with_sigaltstack=no
1842                                 AC_MSG_RESULT(no)
1843                 ])
1844         fi
1845
1846         dnl ********************************
1847         dnl *** Checks for semaphore lib ***
1848         dnl ********************************
1849         # 'Real Time' functions on Solaris
1850         # posix4 on Solaris 2.6
1851         # pthread (first!) on Linux
1852         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1853
1854         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1855         AC_CHECK_FUNCS(shm_open)
1856
1857         dnl ********************************
1858         dnl *** Checks for timezone stuff **
1859         dnl ********************************
1860         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1861                 AC_TRY_COMPILE([
1862                         #include <time.h>
1863                         ], [
1864                         struct tm tm;
1865                         tm.tm_gmtoff = 1;
1866                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1867         if test $ac_cv_struct_tm_gmtoff = yes; then
1868                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1869         else
1870                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1871                         AC_TRY_COMPILE([
1872                                 #include <time.h>
1873                         ], [
1874                                 timezone = 1;
1875                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1876                 if test $ac_cv_var_timezone = yes; then
1877                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1878                 else
1879                         AC_ERROR(unable to find a way to determine timezone)
1880                 fi
1881         fi
1882
1883         dnl *********************************
1884         dnl *** Checks for math functions ***
1885         dnl *********************************
1886         AC_SEARCH_LIBS(sqrtf, m)
1887         if test "x$has_broken_apple_cpp" != "xyes"; then
1888                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1889                         AC_TRY_LINK([#include <math.h>], 
1890                         [ finite(0.0); ], 
1891                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1892                         AC_MSG_RESULT(no)))
1893         fi
1894         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1895                 AC_TRY_LINK([#include <math.h>], 
1896                 [ isfinite(0.0); ], 
1897                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1898                 AC_MSG_RESULT(no)))
1899
1900         dnl ****************************************************************
1901         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1902         dnl *** have it in the library (duh))                            ***
1903         dnl ****************************************************************
1904         AC_CHECK_FUNCS(poll)
1905
1906         dnl *************************
1907         dnl *** Check for signbit ***
1908         dnl *************************
1909         AC_MSG_CHECKING(for signbit)
1910         AC_TRY_LINK([#include <math.h>], [
1911                 int s = signbit(1.0);
1912         ], [
1913                 AC_MSG_RESULT(yes)
1914                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1915         ], [
1916                 AC_MSG_RESULT(no)
1917         ]) 
1918
1919         dnl **********************************
1920         dnl *** epoll                      ***
1921         dnl **********************************
1922         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1923                 AC_CHECK_HEADERS(sys/epoll.h)
1924                 haveepoll=no
1925                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1926                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1927                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1928                 fi
1929         fi
1930
1931         havekqueue=no
1932
1933         AC_CHECK_HEADERS(sys/event.h)
1934         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1935
1936         dnl **************************************
1937         dnl * Darwin has a race that prevents us from using reliably:
1938         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1939         dnl * Since kqueue is mostly used for scaling large web servers, 
1940         dnl * and very few folks run Mono on large web servers on OSX, falling
1941         dnl * back 
1942         dnl **************************************
1943         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1944                 if test "x$platform_darwin" = "xno"; then
1945                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1946                 fi
1947         fi
1948
1949         dnl ******************************
1950         dnl *** Checks for SIOCGIFCONF ***
1951         dnl ******************************
1952         AC_CHECK_HEADERS(sys/ioctl.h)
1953         AC_CHECK_HEADERS(net/if.h, [], [],
1954            [
1955            #ifdef HAVE_SYS_TYPES_H
1956            # include <sys/types.h>
1957            #endif
1958            #ifdef HAVE_SYS_SOCKET_H
1959            # include <sys/socket.h>
1960            #endif
1961            ])
1962         AC_MSG_CHECKING(for ifreq)
1963         AC_TRY_COMPILE([
1964                 #include <stdio.h>
1965                 #include <sys/ioctl.h>
1966                 #include <net/if.h>
1967                 ], [
1968                 struct ifconf ifc;
1969                 struct ifreq *ifr;
1970                 void *x;
1971                 ifc.ifc_len = 0;
1972                 ifc.ifc_buf = NULL;
1973                 x = (void *) &ifr->ifr_addr;
1974                 ],[
1975                         AC_MSG_RESULT(yes)
1976                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1977                 ], [
1978                         AC_MSG_RESULT(no)
1979                 ])
1980         dnl **********************************
1981         dnl ***     Checks for sin_len     ***
1982         dnl **********************************
1983         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1984         AC_TRY_COMPILE([
1985                 #include <netinet/in.h>
1986                 ], [
1987                 struct sockaddr_in saddr;
1988                 saddr.sin_len = sizeof (saddr);
1989                 ],[
1990                         AC_MSG_RESULT(yes)
1991                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1992                 ], [
1993                         AC_MSG_RESULT(no)
1994                 ])      
1995         dnl **********************************
1996         dnl ***    Checks for sin6_len     ***
1997         dnl **********************************
1998         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1999         AC_TRY_COMPILE([
2000                 #include <netinet/in.h>
2001                 ], [
2002                 struct sockaddr_in6 saddr6;
2003                 saddr6.sin6_len = sizeof (saddr6);
2004                 ],[
2005                         AC_MSG_RESULT(yes)
2006                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2007                 ], [
2008                         AC_MSG_RESULT(no)
2009                 ])
2010         dnl **********************************
2011         dnl *** Check for getifaddrs       ***
2012         dnl **********************************
2013         AC_MSG_CHECKING(for getifaddrs)
2014                 AC_TRY_LINK([
2015                 #include <stdio.h>
2016                 #include <sys/types.h>
2017                 #include <sys/socket.h>
2018                 #include <ifaddrs.h>
2019         ], [
2020                 getifaddrs(NULL);
2021         ], [
2022                 # Yes, we have it...
2023                 AC_MSG_RESULT(yes)
2024                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2025         ], [
2026                 AC_MSG_RESULT(no)
2027         ])
2028         dnl **********************************
2029         dnl *** Check for if_nametoindex   ***
2030         dnl **********************************
2031         AC_MSG_CHECKING(for if_nametoindex)
2032                 AC_TRY_LINK([
2033                 #include <stdio.h>
2034                 #include <sys/types.h>
2035                 #include <sys/socket.h>
2036                 #include <net/if.h>
2037         ], [
2038                 if_nametoindex(NULL);
2039         ], [
2040                 # Yes, we have it...
2041                 AC_MSG_RESULT(yes)
2042                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2043         ], [
2044                 AC_MSG_RESULT(no)
2045         ])
2046                         
2047         dnl **********************************
2048         dnl *** Checks for MonoPosixHelper ***
2049         dnl **********************************
2050         AC_CHECK_HEADERS(checklist.h)
2051         AC_CHECK_HEADERS(pathconf.h)
2052         AC_CHECK_HEADERS(fstab.h)
2053         AC_CHECK_HEADERS(attr/xattr.h)
2054         AC_CHECK_HEADERS(sys/extattr.h)
2055         AC_CHECK_HEADERS(sys/sendfile.h)
2056         AC_CHECK_HEADERS(sys/statvfs.h)
2057         AC_CHECK_HEADERS(sys/statfs.h)
2058         AC_CHECK_HEADERS(sys/vfstab.h)
2059         AC_CHECK_HEADERS(sys/xattr.h)
2060         AC_CHECK_HEADERS(sys/mman.h)
2061         AC_CHECK_HEADERS(sys/param.h)
2062         AC_CHECK_HEADERS(sys/mount.h, [], [],
2063                 [
2064                 #ifdef HAVE_SYS_PARAM_H
2065                 # include <sys/param.h>
2066                 #endif
2067                 ])
2068         AC_CHECK_HEADERS(sys/mount.h)
2069         AC_CHECK_FUNCS(confstr)
2070         AC_CHECK_FUNCS(seekdir telldir)
2071         AC_CHECK_FUNCS(getdomainname)
2072         AC_CHECK_FUNCS(setdomainname)
2073         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2074         AC_CHECK_FUNCS(setgroups)
2075         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2076         AC_CHECK_FUNCS(getfsstat)
2077         AC_CHECK_FUNCS(lutimes futimes)
2078         AC_CHECK_FUNCS(mremap)
2079         AC_CHECK_FUNCS(remap_file_pages)
2080         AC_CHECK_FUNCS(posix_fadvise)
2081         AC_CHECK_FUNCS(posix_fallocate)
2082         AC_CHECK_FUNCS(posix_madvise)
2083         AC_CHECK_FUNCS(vsnprintf)
2084         AC_CHECK_FUNCS(sendfile)
2085         AC_CHECK_FUNCS(gethostid sethostid)
2086         AC_CHECK_FUNCS(sethostname)
2087         AC_CHECK_FUNCS(statfs)
2088         AC_CHECK_FUNCS(fstatfs)
2089         AC_CHECK_FUNCS(statvfs)
2090         AC_CHECK_FUNCS(fstatvfs)
2091         AC_CHECK_FUNCS(stime)
2092         AC_CHECK_FUNCS(strerror_r)
2093         AC_CHECK_FUNCS(ttyname_r)
2094         AC_CHECK_FUNCS(psignal)
2095         AC_CHECK_FUNCS(getlogin_r)
2096         AC_CHECK_FUNCS(lockf)
2097         AC_CHECK_FUNCS(swab)
2098         AC_CHECK_FUNCS(setusershell endusershell)
2099         AC_CHECK_FUNCS(futimens utimensat)
2100         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2101         AC_CHECK_FUNCS(readv writev preadv pwritev)
2102         AC_CHECK_FUNCS(setpgid)
2103         AC_CHECK_FUNCS(system)
2104         AC_CHECK_SIZEOF(size_t)
2105         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2106                 [#include <sys/types.h>
2107                  #include <sys/stat.h>
2108                  #include <unistd.h>])
2109         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2110                 [#include <sys/types.h>
2111                  #include <sys/stat.h>
2112                  #include <unistd.h>])
2113         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2114                 [#include <sys/time.h>])
2115         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2116                 [#include <unistd.h>
2117                  #include <fcntl.h>])
2118         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2119                 [#include <sys/uio.h>])
2120         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2121                 [#include <sys/poll.h>])
2122         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2123                 [#include <sys/types.h>
2124                  #include <sys/stat.h>
2125                  #include <unistd.h>])
2126         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2127                 [#include <time.h>])
2128         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2129                 [#include <sys/time.h>
2130                  #include <sys/types.h>
2131                  #include <utime.h>])
2132         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2133                 [#include <sys/time.h>])
2134         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2135                 [#include <sys/types.h>
2136                  #include <utime.h>])
2137         AC_CHECK_MEMBERS(
2138                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2139                 [#include <sys/types.h>
2140                  #include <dirent.h>])
2141         AC_CHECK_MEMBERS(
2142                 [struct passwd.pw_gecos],,, 
2143                 [#include <sys/types.h>
2144                  #include <pwd.h>])
2145         AC_CHECK_MEMBERS(
2146                 [struct statfs.f_flags],,, 
2147                 [#include <sys/types.h>
2148                  #include <sys/vfs.h>])
2149         AC_CHECK_MEMBERS(
2150                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2151                 [#include <sys/types.h>
2152                  #include <sys/stat.h>
2153                  #include <unistd.h>])
2154
2155         dnl Favour xattr through glibc, but use libattr if we have to
2156         AC_CHECK_FUNC(lsetxattr, ,
2157                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2158         )
2159         AC_SUBST(XATTR_LIB)
2160
2161         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2162         AC_CHECK_MEMBERS(
2163                 [struct kinfo_proc.kp_proc],,, 
2164                 [#include <sys/types.h>
2165                  #include <sys/param.h>
2166                  #include <sys/sysctl.h>
2167                  #include <sys/proc.h>
2168                  ])
2169
2170         dnl *********************************
2171         dnl *** Checks for Windows compilation ***
2172         dnl *********************************
2173         AC_CHECK_HEADERS(sys/time.h)
2174         AC_CHECK_HEADERS(sys/param.h)
2175         AC_CHECK_HEADERS(dirent.h)
2176
2177         dnl ******************************************
2178         dnl *** Checks for OSX and iOS compilation ***
2179         dnl ******************************************
2180         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2181
2182         dnl *********************************
2183         dnl *** Check for Console 2.0 I/O ***
2184         dnl *********************************
2185         AC_CHECK_HEADERS([curses.h])
2186         AC_CHECK_HEADERS([term.h], [], [],
2187         [#if HAVE_CURSES_H
2188          #include <curses.h>
2189          #endif
2190         ])
2191         AC_CHECK_HEADERS([termios.h])
2192
2193         dnl * This is provided in io-layer, but on windows it's only available
2194         dnl * on xp+
2195         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2196 else
2197         dnl *********************************
2198         dnl *** Checks for Windows compilation ***
2199         dnl *********************************
2200         AC_CHECK_HEADERS(winternl.h)
2201
2202         jdk_headers_found=no
2203         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2204         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2205         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2206         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2207         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2208         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2209         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2210
2211         dnl *********************************
2212         dnl *** Check for struct ip_mreqn ***
2213         dnl *********************************
2214         AC_MSG_CHECKING(for struct ip_mreqn)
2215         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2216                 struct ip_mreqn mreq;
2217                 mreq.imr_address.s_addr = 0;
2218         ], [
2219                 # Yes, we have it...
2220                 AC_MSG_RESULT(yes)
2221                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2222         ], [
2223                 # We'll just have to try and use struct ip_mreq
2224                 AC_MSG_RESULT(no)
2225                 AC_MSG_CHECKING(for struct ip_mreq)
2226                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2227                         struct ip_mreq mreq;
2228                         mreq.imr_interface.s_addr = 0;
2229                 ], [
2230                         # Yes, we have it...
2231                         AC_MSG_RESULT(yes)
2232                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2233                 ], [
2234                         # No multicast support
2235                         AC_MSG_RESULT(no)
2236                 ])
2237         ])
2238
2239         dnl **********************************
2240         dnl *** Check for getaddrinfo ***
2241         dnl **********************************
2242         AC_MSG_CHECKING(for getaddrinfo)
2243                 AC_TRY_LINK([
2244                 #include <stdio.h>
2245                 #include <winsock2.h>
2246                 #include <ws2tcpip.h>
2247         ], [
2248                 getaddrinfo(NULL,NULL,NULL,NULL);
2249         ], [
2250                 # Yes, we have it...
2251                 AC_MSG_RESULT(yes)
2252                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2253         ], [
2254                 AC_MSG_RESULT(no)
2255         ])
2256
2257         dnl **********************************
2258         dnl *** Check for gethostbyname ***
2259         dnl **********************************
2260         AC_MSG_CHECKING(for gethostbyname)
2261                 AC_TRY_LINK([
2262                 #include <stdio.h>
2263                 #include <winsock2.h>
2264                 #include <ws2tcpip.h>
2265         ], [
2266                 gethostbyname(NULL);
2267         ], [
2268                 # Yes, we have it...
2269                 AC_MSG_RESULT(yes)
2270                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2271         ], [
2272                 AC_MSG_RESULT(no)
2273         ])
2274
2275         dnl **********************************
2276         dnl *** Check for getprotobyname ***
2277         dnl **********************************
2278         AC_MSG_CHECKING(for getprotobyname)
2279                 AC_TRY_LINK([
2280                 #include <stdio.h>
2281                 #include <winsock2.h>
2282                 #include <ws2tcpip.h>
2283         ], [
2284                 getprotobyname(NULL);
2285         ], [
2286                 # Yes, we have it...
2287                 AC_MSG_RESULT(yes)
2288                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2289         ], [
2290                 AC_MSG_RESULT(no)
2291         ])
2292
2293         dnl **********************************
2294         dnl *** Check for getnameinfo ***
2295         dnl **********************************
2296         AC_MSG_CHECKING(for getnameinfo)
2297                 AC_TRY_LINK([
2298                 #include <stdio.h>
2299                 #include <winsock2.h>
2300                 #include <ws2tcpip.h>
2301         ], [
2302                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2303         ], [
2304                 # Yes, we have it...
2305                 AC_MSG_RESULT(yes)
2306                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2307         ], [
2308                 AC_MSG_RESULT(no)
2309         ])
2310
2311         dnl **********************************
2312         dnl *** Check for inet_ntop ***
2313         dnl **********************************
2314         AC_MSG_CHECKING(for inet_ntop)
2315                 AC_TRY_LINK([
2316                 #include <stdio.h>
2317                 #include <winsock2.h>
2318                 #include <ws2tcpip.h>
2319         ], [
2320                 inet_ntop (0, NULL, NULL, 0);
2321         ], [
2322                 # Yes, we have it...
2323                 AC_MSG_RESULT(yes)
2324                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2325         ], [
2326                 AC_MSG_RESULT(no)
2327         ])
2328
2329         dnl **********************************
2330         dnl *** Check for inet_pton ***
2331         dnl **********************************
2332         AC_MSG_CHECKING(for inet_pton)
2333                 AC_TRY_LINK([
2334                 #include <stdio.h>
2335                 #include <winsock2.h>
2336                 #include <ws2tcpip.h>
2337         ], [
2338                 inet_pton (0, NULL, NULL);
2339         ], [
2340                 # Yes, we have it...
2341                 AC_MSG_RESULT(yes)
2342                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2343         ], [
2344                 AC_MSG_RESULT(no)
2345         ])
2346
2347         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2348         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2349         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2350         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2351         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2352         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2353         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2354
2355         AC_MSG_CHECKING(for GetProcessId)
2356         AC_TRY_COMPILE([#include <windows.h>], [
2357                 GetProcessId (0);
2358         ], [
2359            AC_MSG_RESULT(yes)
2360            AC_DEFINE(HAVE_GETPROCESSID)
2361         ], [
2362            AC_MSG_RESULT(no)
2363         ])
2364 fi
2365
2366 dnl socklen_t check
2367 AC_MSG_CHECKING(for socklen_t)
2368 AC_TRY_COMPILE([
2369 #include <sys/types.h>
2370 #include <sys/socket.h>
2371 ],[
2372   socklen_t foo;
2373 ],[
2374 ac_cv_c_socklen_t=yes
2375         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2376         AC_MSG_RESULT(yes)
2377 ],[
2378         AC_MSG_RESULT(no)
2379 ])
2380
2381 AC_MSG_CHECKING(for array element initializer support)
2382 AC_TRY_COMPILE([#include <sys/socket.h>], [
2383         const int array[] = {[1] = 2,};
2384 ], [
2385         # Yes, we have it...
2386         AC_MSG_RESULT(yes)
2387         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2388 ], [
2389         # We'll have to use signals
2390         AC_MSG_RESULT(no)
2391 ])
2392
2393 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2394         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2395         AC_TRY_LINK([#include <math.h>], 
2396         [ static void *p = &trunc; ],
2397         [
2398                 AC_DEFINE(HAVE_TRUNC) 
2399                 AC_MSG_RESULT(yes)
2400                 ac_cv_trunc=yes
2401         ],
2402         AC_MSG_RESULT(no)))
2403
2404 if test "x$ac_cv_truncl" != "xyes"; then
2405    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2406 fi
2407
2408 AC_CHECK_FUNCS(round)
2409 AC_CHECK_FUNCS(rint)
2410 AC_CHECK_FUNCS(execvp)
2411
2412 dnl ****************************
2413 dnl *** Look for /dev/random ***
2414 dnl ****************************
2415
2416 AC_MSG_CHECKING([if usage of random device is requested])
2417 AC_ARG_ENABLE(dev-random,
2418 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2419 try_dev_random=$enableval, try_dev_random=yes)
2420
2421 AC_MSG_RESULT($try_dev_random)
2422
2423 case "{$build}" in
2424     *-openbsd*)
2425     NAME_DEV_RANDOM="/dev/srandom"
2426     ;;
2427
2428 dnl Win32 does not have /dev/random, they have their own method...
2429
2430     *-mingw*|*-*-cygwin*)
2431     ac_cv_have_dev_random=no
2432     ;;
2433
2434 dnl Everywhere else, it's /dev/random
2435
2436     *)
2437     NAME_DEV_RANDOM="/dev/random"
2438     ;;
2439 esac
2440
2441 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2442
2443 dnl Now check if the device actually exists
2444
2445 if test "x$try_dev_random" = "xyes"; then
2446     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2447     [if test -r "$NAME_DEV_RANDOM" ; then
2448         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2449     if test "x$ac_cv_have_dev_random" = "xyes"; then
2450         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2451     fi
2452 else
2453     AC_MSG_CHECKING(for random device)
2454     ac_cv_have_dev_random=no
2455     AC_MSG_RESULT(has been disabled)
2456 fi
2457
2458 if test "x$host_win32" = "xyes"; then
2459     AC_DEFINE(HAVE_CRYPT_RNG)
2460 fi
2461
2462 if test "x$ac_cv_have_dev_random" = "xno" \
2463     && test "x$host_win32" = "xno"; then
2464     AC_MSG_WARN([[
2465 ***
2466 *** A system-provided entropy source was not found on this system.
2467 *** Because of this, the System.Security.Cryptography random number generator
2468 *** will throw a NotImplemented exception.
2469 ***
2470 *** If you are seeing this message, and you know your system DOES have an
2471 *** entropy collection in place, please contact <crichton@gimp.org> and
2472 *** provide information about the system and how to access the random device.
2473 ***
2474 *** Otherwise you can install either egd or prngd and set the environment
2475 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2476 ***]])
2477 fi
2478  
2479 AC_MSG_CHECKING([if inter-process shared handles are requested])
2480 # Same as --enable-minimal=shared_handles
2481 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=no)
2482 AC_MSG_RESULT($try_shared_handles)
2483 if test "x$try_shared_handles" != "xyes"; then
2484         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2485         AC_SUBST(DISABLE_SHARED_HANDLES)
2486 fi
2487
2488 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2489
2490 AC_ARG_ENABLE(perf-events, [  --enable-perf-events Enable using `perf` for profiling on Linux], test_perf_events=$enableval, test_perf_events=no)
2491 if test "x$test_perf_events" == "xyes"; then
2492         AC_DEFINE(ENABLE_PERF_EVENTS, 1, [Enable using `perf` for profiling on Linux])
2493         AC_SUBST(ENABLE_PERF_EVENTS)
2494 fi
2495
2496 AC_MSG_CHECKING([if big-arrays are to be enabled])
2497 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2498 if test "x$enable_big_arrays" = "xyes" ; then
2499     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2500         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2501     else
2502         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2503     fi
2504 fi
2505 AC_MSG_RESULT($enable_big_arrays)
2506
2507 dnl **************
2508 dnl *** DTRACE ***
2509 dnl **************
2510
2511 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2512
2513 if test "x$enable_dtrace" = "xyes"; then
2514    if test "x$has_dtrace" = "xno"; then
2515           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2516    fi
2517    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2518    if test "x$DTRACE" = "xno"; then
2519           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2520           enable_dtrace=no
2521    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2522           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2523           enable_dtrace=no
2524    fi
2525 fi
2526
2527 dtrace_g=no
2528 if test "x$enable_dtrace" = "xyes"; then
2529         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2530         DTRACEFLAGS=
2531         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2532                 case "$host" in
2533                         powerpc-*-darwin*)
2534                         DTRACEFLAGS="-arch ppc64"
2535                         ;;
2536                         i*86-*-darwin*)
2537                         DTRACEFLAGS="-arch x86_64"
2538                         ;;
2539                         *)
2540                         DTRACEFLAGS=-64
2541                         ;;
2542                 esac
2543         else
2544                 case "$host" in
2545                         powerpc-*-darwin*)
2546                         DTRACEFLAGS="-arch ppc"
2547                         ;;
2548                         i*86-*-darwin*)
2549                         DTRACEFLAGS="-arch i386"
2550                         ;;
2551                         *)
2552                         DTRACEFLAGS=-32
2553                         ;;
2554                 esac
2555         fi
2556         AC_SUBST(DTRACEFLAGS)
2557         case "$host" in
2558                 *-*-solaris*)
2559                 dtrace_g=yes
2560                 ;;
2561         esac
2562         AC_CHECK_HEADERS([sys/sdt.h])
2563 fi
2564 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2565 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2566
2567 dnl **************
2568 dnl ***  NaCl  ***
2569 dnl **************
2570
2571 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2572 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2573
2574 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2575
2576 dnl
2577 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2578 dnl
2579 nacl_self_host=""
2580 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2581    nacl_self_host="nacl_self_host"
2582 fi
2583 AC_SUBST(nacl_self_host)
2584
2585 if test "x$enable_nacl_codegen" = "xyes"; then
2586    MONO_NACL_ALIGN_MASK_OFF=1
2587    AC_DEFINE(TARGET_NACL, 1, [...])
2588    AC_DEFINE(__native_client_codegen__, 1, [...])
2589 else
2590    MONO_NACL_ALIGN_MASK_OFF=0
2591    AC_DEFINE(__default_codegen__, 1, [...])
2592 fi
2593 if test "x$enable_nacl_gc" = "xyes"; then
2594    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2595       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2596    else
2597       # Not yet implemented
2598       INSTRUMENT_CFLAG=""
2599    fi
2600    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2601 fi
2602 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2603
2604 dnl **************
2605 dnl ***  LLVM  ***
2606 dnl **************
2607
2608 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2609 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2610 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2611
2612 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2613
2614 if test "x$enable_llvm" = "xyes"; then
2615    if test "x$with_llvm" != "x"; then
2616           LLVM_CONFIG=$with_llvm/bin/llvm-config
2617           if test x$host_win32 = xyes; then
2618                 LLVM_CONFIG=$LLVM_CONFIG.exe
2619           fi
2620           if test ! -x $LLVM_CONFIG; then
2621                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2622       fi
2623    else
2624       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2625       if test "x$LLVM_CONFIG" = "xno"; then
2626              AC_MSG_ERROR([llvm-config not found.])
2627       fi
2628    fi
2629
2630    llvm_codegen="x86codegen"
2631    case "$target" in
2632    arm*)
2633                 llvm_codegen="armcodegen"
2634                 ;;
2635    esac
2636
2637    if test "x$host_win32" = "xno"; then
2638
2639    # The output of --cflags seems to include optimizations flags too
2640    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2641    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2642    # from LLVM classes.
2643    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2644    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2645    # This might include empty lines
2646    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2647    if test "x$host" != "x$target"; then
2648       # No need for jit libs
2649       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2650    else
2651       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2652    fi
2653    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS -lstdc++"
2654
2655    expected_llvm_version="3.4svn-mono-mono/e656cac"
2656
2657    # Should be something like '2.6' or '2.7svn'
2658    llvm_version=`$LLVM_CONFIG --version`
2659    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2660    AC_MSG_CHECKING(LLVM version)
2661    AC_MSG_RESULT($llvm_version)
2662    if echo $llvm_version | grep -q 'mono'; then
2663           if test "x$enable_llvm_version_check" == "xyes"; then
2664                  if test "$llvm_version" != "$expected_llvm_version"; then
2665                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2666                  fi
2667           fi
2668    else
2669           AC_MSG_ERROR([Compiling with stock LLVM is not supported, please use the Mono LLVM repo at https://github.com/mono/llvm, with the GIT branch which matches this version of mono, i.e. 'mono-2-10' for Mono 2.10.])
2670    fi
2671
2672    else
2673        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2674        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-exceptions -fno-rtti -Woverloaded-virtual -Wcast-qual"
2675        LLVM_LDFLAGS="-L$with_llvm/lib"
2676        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2677        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2678          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2679          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2680          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2681          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2682          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2683          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2684          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2685          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2686          -lLLVMSupport -lstdc++"
2687        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2688
2689        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2690        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2691    fi  
2692
2693    if test "x$llvm_api_version" = "x"; then
2694           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2695           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2696    else
2697           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2698           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2699    fi   
2700
2701    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2702
2703    AC_SUBST(LLVM_CFLAGS)
2704    AC_SUBST(LLVM_CXXFLAGS)
2705    AC_SUBST(LLVM_LIBS)
2706    AC_SUBST(LLVM_LDFLAGS)
2707    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2708 fi
2709
2710 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2711 if test "x$enable_loadedllvm" = "xyes"; then
2712    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2713 fi
2714 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2715
2716 TARGET="unknown"
2717 ACCESS_UNALIGNED="yes"
2718
2719 LIBC="libc.so.6"
2720 INTL="libc.so.6"
2721 SQLITE="libsqlite.so.0"
2722 SQLITE3="libsqlite3.so.0"
2723 X11="libX11.so"
2724 GDKX11="libgdk-x11-2.0.so.0"
2725 GTKX11="libgtk-x11-2.0.so.0"
2726 XINERAMA="libXinerama.so.1"
2727
2728 sizeof_register="SIZEOF_VOID_P"
2729
2730 jit_wanted=true
2731 sgen_supported=false
2732 boehm_supported=true
2733 case "$host" in
2734         mips*)
2735                 TARGET=MIPS;
2736                 arch_target=mips;
2737                 sgen_supported=true
2738                 ACCESS_UNALIGNED="no"
2739
2740                 AC_MSG_CHECKING(for mips n32)
2741                 AC_TRY_COMPILE([],[
2742                 #if _MIPS_SIM != _ABIN32
2743                 #error Not mips n32
2744                 #endif
2745                 return 0;
2746                 ],[
2747                 AC_MSG_RESULT(yes)
2748                 sizeof_register=8
2749                 ],[
2750                 AC_MSG_RESULT(no)
2751                 ])
2752                 ;;
2753         i*86-*-*)
2754                 TARGET=X86;
2755                 arch_target=x86;
2756                 case $host_os in
2757                   solaris*)
2758                         LIBC="libc.so"
2759                         INTL="libintl.so"
2760                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2761                                 TARGET=AMD64
2762                                 arch_target=amd64
2763                         fi
2764
2765                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2766                         # int astruct __attribute__ ((visibility ("hidden")));
2767                         # void foo ()
2768                         # {
2769                         #       void *p = &astruct;
2770                         # }
2771                         # gcc -fPIC --shared -o libfoo.so foo.c
2772                         # yields:
2773                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2774                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2775                         have_visibility_hidden=no
2776                         sgen_supported=true
2777                         ;;
2778                   mingw*|cygwin*)
2779                         sgen_supported=true
2780                         have_visibility_hidden=no                 
2781                         ;;
2782                   haiku*)
2783                         LIBC=libroot.so
2784                         ;;
2785                   linux*)
2786                         sgen_supported=true
2787                         AOT_SUPPORTED="yes"
2788                         ;;
2789                   darwin*)
2790                         sgen_supported=true
2791                         AOT_SUPPORTED="yes"
2792                         ;;
2793                   openbsd*|freebsd*|kfreebsd-gnu*)
2794                         sgen_supported=true
2795                         ;;
2796                 esac
2797                 ;;
2798         x86_64-*-* | amd64-*-*)
2799                 TARGET=AMD64;
2800                 arch_target=amd64;
2801                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2802                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2803                         sizeof_register=8
2804                 fi
2805                 case $host_os in
2806                   linux*)
2807                         sgen_supported=true
2808                         AOT_SUPPORTED="yes"
2809                         ;;
2810                   darwin*)
2811                         sgen_supported=true
2812                         AOT_SUPPORTED="yes"
2813                         ;;
2814                   openbsd*|freebsd*|kfreebsd-gnu*)
2815                         sgen_supported=true
2816                         ;;
2817                   mingw*)
2818                         sgen_supported=true
2819                         ;;
2820                 esac
2821                 case "$host" in
2822                         x86_64-*-nacl*)
2823                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2824                                 sizeof_register=8
2825                                 ;;
2826                 esac
2827                 ;;
2828         ia64-*-*)
2829                 TARGET=IA64
2830                 arch_target=ia64
2831                 ACCESS_UNALIGNED="no"
2832                 LIBC="libc.so.6.1"
2833                 INTL="libc.so.6.1"
2834                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2835                 libmono_ldflags="-lunwind"
2836                 ;;
2837         sparc*-*-*)
2838                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2839                    TARGET=SPARC64
2840                 else
2841                         TARGET=SPARC
2842                 fi
2843                 arch_target=sparc;
2844                 ACCESS_UNALIGNED="no"
2845                 case $host_os in
2846                   linux*) ;;
2847                   *)
2848                         LIBC="libc.so"
2849                         INTL="libintl.so"
2850                 esac
2851                 if test x"$GCC" = xyes; then
2852                         # We don't support v8 cpus
2853                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2854                 fi
2855                 if test x"$AR" = xfalse; then
2856                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2857                 fi
2858                 sgen_supported=true
2859                 ;;
2860         *-mingw*|*-*-cygwin*)
2861                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2862                 have_visibility_hidden=no
2863                 INTL="intl"
2864                 ;;
2865         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2866         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2867                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2868                         TARGET=POWERPC64;
2869                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2870                         CFLAGS="$CFLAGS -mminimal-toc"
2871                 else
2872                         TARGET=POWERPC;
2873                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2874                 fi
2875                 arch_target=ppc;
2876                 case $host_os in
2877                   linux*|darwin*)
2878                         sgen_supported=true
2879                         ;;
2880                 esac
2881                 ;;
2882         arm*-darwin*)
2883                 TARGET=ARM;
2884                 arch_target=arm;
2885                 ACCESS_UNALIGNED="no"
2886                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2887                 sgen_supported=true
2888                 ;;
2889         arm*-linux*)
2890                 TARGET=ARM;
2891                 arch_target=arm;
2892                 ACCESS_UNALIGNED="no"
2893                 sgen_supported=true
2894                 AOT_SUPPORTED="yes"
2895                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2896                 ;;
2897 # TODO: make proper support for NaCl host.
2898 #        arm*-*nacl)
2899 #               TARGET=ARM;
2900 #               arch_target=arm;
2901 #               ACCESS_UNALIGNED="no"
2902 #               sgen_supported=true
2903 #               AOT_SUPPORTED="no"
2904 #               ;;
2905         aarch64-*)
2906                 # https://lkml.org/lkml/2012/7/15/133
2907                 TARGET=ARM64
2908                 arch_target=arm64
2909                 sgen_supported=true
2910                 boehm_supported=false
2911                 ;;
2912         s390x-*-linux*)
2913                 TARGET=S390X;
2914                 arch_target=s390x;
2915                 ACCESS_UNALIGNED="yes"
2916                 sgen_supported=true
2917                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2918                 ;;
2919 esac
2920
2921 HOST=$TARGET
2922
2923 if test "x$host" != "x$target"; then
2924    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2925    enable_mcs_build=no
2926    case "$target" in
2927    arm*-darwin*)
2928                 TARGET=ARM;
2929                 arch_target=arm;
2930                 ACCESS_UNALIGNED="no"
2931                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2932                 # Can't use tls, since it depends on the runtime detection of tls offsets
2933                 # in mono-compiler.h
2934                 with_tls=pthread
2935                 ;;
2936    powerpc64-ps3-linux-gnu)
2937                 TARGET=POWERPC64
2938                 arch_target=powerpc64
2939                 AC_DEFINE(TARGET_PS3, 1, [...])
2940                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2941                 # uses this define
2942                 AC_DEFINE(__mono_ppc64__, 1, [...])
2943                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2944                 sizeof_register=8
2945                 target_byte_order=G_BIG_ENDIAN
2946                 ;;
2947    powerpc64-xbox360-linux-gnu)
2948                 TARGET=POWERPC64
2949                 arch_target=powerpc64
2950                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2951                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2952                 # uses this define
2953                 sizeof_register=8
2954                 target_byte_order=G_BIG_ENDIAN
2955                 ;;
2956    x86_64-*-nacl)
2957                 TARGET=AMD64
2958                 arch_target=amd64
2959                 AC_DEFINE(TARGET_AMD64, 1, [...])
2960                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2961                 sizeof_register=8
2962                 ;;
2963 # TODO: make proper support for NaCl target.
2964 #   arm*-*nacl)
2965 #               TARGET=ARM
2966 #               arch_target=arm
2967 #               AC_DEFINE(TARGET_ARM, 1, [...])
2968 #               ACCESS_UNALIGNED="no"
2969 #               sizeof_register=4
2970 #               CPPFLAGS="$CPPFLAGS \
2971 #                    -D__ARM_EABI__ \
2972 #                    -D__arm__ \
2973 #                    -D__portable_native_client__ \
2974 #                    -Dtimezone=_timezone \
2975 #                    -DDISABLE_SOCKETS \
2976 #                    -DDISABLE_ATTACH \
2977 #                    -DUSE_NEWLIB"
2978                 # Can't use tls, since it depends on the runtime detection of tls offsets
2979                 # in mono-compiler.h
2980 #               with_tls=pthread
2981 #               ;;
2982    i686-*-nacl)
2983                 TARGET=X86
2984                 arch_target=x86
2985                 AC_DEFINE(TARGET_X86, 1, [...])
2986                 sizeof_register=4
2987                 ;;
2988    arm*-linux-*)
2989                 TARGET=ARM;
2990                 arch_target=arm;
2991                 AC_DEFINE(TARGET_ARM, 1, [...])
2992                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2993                 ACCESS_UNALIGNED="no"
2994                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2995                 # Can't use tls, since it depends on the runtime detection of tls offsets
2996                 # in mono-compiler.h
2997                 with_tls=pthread
2998                 target_mach=no
2999                 case "$target" in
3000                 armv7l-unknown-linux-gnueabi*)
3001                         # TEGRA
3002                         CPPFLAGS="$CPPFLAGS"
3003                         ;;
3004                 armv5-*-linux-androideabi*)
3005                         CPPFLAGS="$CPPFLAGS"
3006                         ;;
3007                 esac
3008                 ;;
3009    i686*-linux-*)
3010                 TARGET=X86;
3011                 arch_target=x86;
3012                 AC_DEFINE(TARGET_X86, 1, [...])
3013                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3014                 CPPFLAGS="$CPPFLAGS"
3015                 sgen_supported=true
3016                 # Can't use tls, since it depends on the runtime detection of tls offsets
3017                 # in mono-compiler.h            
3018                 with_tls=pthread
3019                 target_mach=no
3020                 ;;
3021    x86_64*-linux-*)
3022                 TARGET=AMD64;
3023                 arch_target=amd64;
3024                 AC_DEFINE(TARGET_AMD64, 1, [...])
3025                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3026                 CPPFLAGS="$CPPFLAGS"
3027                 sgen_supported=true
3028                 # Can't use tls, since it depends on the runtime detection of tls offsets
3029                 # in mono-compiler.h
3030                 with_tls=pthread
3031                 target_mach=no
3032                 ;;
3033    x86_64-ps4-freebsd)
3034                 TARGET=AMD64;
3035                 arch_target=amd64;
3036                 AC_DEFINE(TARGET_AMD64, 1, [...])
3037                 AC_DEFINE(TARGET_PS4, 1, [...])
3038                 CPPFLAGS="$CPPFLAGS"
3039                 sgen_supported=true
3040                 # Can't use tls, since it depends on the runtime detection of tls offsets
3041                 # in mono-compiler.h
3042                 with_tls=pthread
3043                 target_mach=no
3044                 target_win32=no
3045                 ;;
3046    aarch64*-linux-*)
3047                 TARGET=ARM64;
3048                 arch_target=arm64;
3049                 AC_DEFINE(TARGET_ARM64, 1, [...])
3050                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3051                 CPPFLAGS="$CPPFLAGS"
3052                 # Can't use tls, since it depends on the runtime detection of tls offsets
3053                 # in mono-compiler.h
3054                 with_tls=pthread
3055                 target_mach=no
3056                 ;;
3057         aarch64-*)
3058                 TARGET=ARM64
3059                 ;;
3060         *)
3061                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3062         esac
3063 fi
3064
3065 case "$TARGET" in
3066 X86)
3067         AC_DEFINE(TARGET_X86, 1, [...])
3068         ;;
3069 AMD64)
3070         AC_DEFINE(TARGET_AMD64, 1, [...])
3071         ;;
3072 ARM)
3073         AC_DEFINE(TARGET_ARM, 1, [...])
3074         ;;
3075 ARM64)
3076         AC_DEFINE(TARGET_ARM64, 1, [...])
3077         ;;
3078 POWERPC)
3079         AC_DEFINE(TARGET_POWERPC, 1, [...])
3080         ;;
3081 POWERPC64)
3082         AC_DEFINE(TARGET_POWERPC, 1, [...])
3083         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3084         ;;
3085 S390X)
3086         AC_DEFINE(TARGET_S390X, 1, [...])
3087         ;;
3088 MIPS)
3089         AC_DEFINE(TARGET_MIPS, 1, [...])
3090         ;;
3091 IA64)
3092         AC_DEFINE(TARGET_IA64, 1, [...])
3093         ;;
3094 SPARC)
3095         AC_DEFINE(TARGET_SPARC, 1, [...])
3096         ;;
3097 SPARC64)
3098         AC_DEFINE(TARGET_SPARC64, 1, [...])
3099         ;;
3100 esac
3101
3102 dnl *************
3103 dnl *** VTUNE ***
3104 dnl *************
3105
3106 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3107 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3108
3109 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3110
3111 if test "x$enable_vtune" = "xyes"; then
3112         if test "x$with_vtune" = "x"; then
3113                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3114         else
3115                 VTUNE_PATH=$with_vtune
3116         fi
3117         VTUNE_INCLUDE=$VTUNE_PATH/include
3118         case "$TARGET" in
3119         X86)
3120                 VTUNE_LIB=$VTUNE_PATH/lib32
3121                 ;;
3122         AMD64)
3123                 VTUNE_LIB=$VTUNE_PATH/lib64
3124                 ;;
3125         *)
3126                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3127                 ;;
3128         esac
3129         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3130                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3131         fi
3132         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3133                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3134         fi
3135
3136         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3137         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3138
3139         AC_SUBST(VTUNE_LIBS)
3140         AC_SUBST(VTUNE_CFLAGS)
3141 fi
3142 dnl Use GCC atomic ops if they work on the target.
3143 if test x$GCC = "xyes"; then
3144         case $TARGET in
3145         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3146                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3147                 ;;
3148         esac
3149 fi
3150
3151 if test "x$target_mach" = "xyes"; then
3152    if test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3153           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3154           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3155           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3156    else
3157        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3158        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3159        #error fail this for ios
3160        #endif
3161        return 0;
3162        ], [
3163                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3164           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3165           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3166        ], [
3167           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3168           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3169           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3170        ])
3171         fi
3172    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3173 fi
3174
3175 if test "x$sizeof_register" = "x4"; then
3176    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3177 elif test "x$sizeof_register" = "x8"; then
3178    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3179 else
3180    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3181 fi
3182
3183 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3184    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3185 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3186    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3187 else
3188    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3189 fi
3190
3191 if test "x$have_visibility_hidden" = "xyes"; then
3192    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3193 fi
3194
3195 if test "x$have_deprecated" = "xyes"; then
3196    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3197 fi
3198
3199 dnl 
3200 dnl Simple Generational checks (sgen)
3201 dnl
3202 if $sgen_supported; then
3203    build_sgen_default=yes
3204 else
3205    build_sgen_default=no
3206 fi
3207 SGEN_DEFINES=
3208 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
3209 if test x$buildsgen = xyes; then
3210    if $sgen_supported; then
3211        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
3212        gc_msg="sgen and $gc_msg"
3213    else
3214        buildsgen=no
3215        AC_MSG_WARN("Sgen is not supported on this platform")
3216    fi
3217 fi
3218 AC_SUBST(SGEN_DEFINES)
3219 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3220
3221 jit_status="Building and using the JIT"
3222
3223 libsuffix=".so"
3224
3225 case "$host" in
3226      *-*-darwin*)
3227         libsuffix=".dylib"
3228         LIBC="libc.dylib"
3229         INTL="libintl.dylib"
3230         SQLITE="libsqlite.0.dylib"
3231         SQLITE3="libsqlite3.0.dylib"
3232         X11="libX11.dylib"
3233         GDKX11="libgdk-x11-2.0.dylib"
3234         GTKX11="libgtk-x11-2.0.dylib"
3235         ;;
3236      *-*-*netbsd*)
3237         LIBC="libc.so.12"
3238         INTL="libintl.so.0"
3239         ;;
3240      *-*-kfreebsd*-gnu)
3241         LIBC="libc.so.0.1"
3242         INTL="libc.so.0.1"
3243         X11="libX11.so.6"
3244         ;;
3245     *-*-*freebsd*)
3246         LIBC="libc.so.7"
3247         INTL="libintl.so"
3248         SQLITE="libsqlite.so"
3249         SQLITE3="libsqlite3.so"
3250         ;;
3251     *-*-*openbsd*)
3252         LIBC="libc.so"
3253         INTL="libintl.so"
3254         SQLITE="libsqlite.so"
3255         SQLITE3="libsqlite3.so"
3256         ;;
3257     *-*-*linux*)
3258         AC_PATH_X
3259         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3260         AC_MSG_CHECKING(for the soname of libX11.so)
3261         for i in $x_libraries $dlsearch_path; do
3262                 for r in 4 5 6; do
3263                         if test -f $i/libX11.so.$r; then
3264                                 X11=libX11.so.$r
3265                                 AC_MSG_RESULT($X11)
3266                         fi
3267                 done
3268         done
3269         
3270         if test "x$X11" = "xlibX11.so"; then
3271                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3272                 X11=libX11.so.6
3273         fi
3274         ;;
3275 esac
3276
3277
3278 AC_SUBST(libsuffix)
3279
3280 AC_ARG_WITH([libgdiplus],
3281         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3282         [], [with_libgdiplus=installed])
3283
3284 # default install location
3285 libgdiplus_install_loc=libgdiplus${libsuffix}
3286 case $with_libgdiplus in
3287     no|installed)
3288     libgdiplus_loc=
3289     ;;
3290
3291     yes|sibling)
3292     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3293     ;;
3294
3295     /*) # absolute path, assume it is an install location
3296     libgdiplus_loc=$with_libgdiplus
3297     libgdiplus_install_loc=$with_libgdiplus
3298     ;;
3299
3300     *)
3301     libgdiplus_loc=`pwd`/$with_libgdiplus
3302     ;;
3303 esac
3304 AC_SUBST([libgdiplus_loc])
3305 AC_SUBST([libgdiplus_install_loc])
3306
3307 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3308 if test "x$icall_symbol_map" = "xyes"; then
3309    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3310 fi
3311
3312 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3313 if test "x$icall_export" = "xyes"; then
3314    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3315 fi
3316
3317 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3318 if test "x$icall_tables" = "xno"; then
3319    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3320 fi
3321
3322 if test "x$with_tls" = "x__thread"; then
3323         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3324         # Pass the information to libgc
3325         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3326         AC_MSG_CHECKING(if the tls_model attribute is supported)
3327         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3328                 ], [
3329                         AC_MSG_RESULT(yes)
3330                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3331                 ], [
3332                         AC_MSG_RESULT(no)
3333         ])
3334 fi
3335
3336 if test ${TARGET} = ARM; then
3337         dnl ******************************************
3338         dnl *** Check to see what FPU is available ***
3339         dnl ******************************************
3340         AC_MSG_CHECKING(which FPU to use)
3341
3342         #
3343         # This is a bit tricky:
3344         #
3345         # if (__ARM_PCS_VFP) {
3346         #       /* mfloat-abi=hard == VFP with hard ABI */
3347         # } elif (!__SOFTFP__) {
3348         #       /* mfloat-abi=softfp == VFP with soft ABI */
3349         # } else {
3350         #       /* mfloat-abi=soft == no VFP */
3351         # }
3352         #
3353         # The exception is iOS (w/ GCC) where none of the above
3354         # are defined (but iOS always uses the 'softfp' ABI).
3355         #
3356         # No support for FPA.
3357         #
3358
3359         fpu=NONE
3360
3361         # iOS GCC always uses the 'softfp' ABI.
3362         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3363                 fpu=VFP
3364         fi
3365
3366         # Are we using the 'hard' ABI?
3367         if test x$fpu = xNONE; then
3368                 AC_TRY_COMPILE([], [
3369                         #ifndef __ARM_PCS_VFP
3370                         #error "Float ABI is not 'hard'"
3371                         #endif
3372                         return 0;
3373                 ], [
3374                         fpu=VFP_HARD
3375                 ], [
3376                         fpu=NONE
3377                 ])
3378         fi
3379
3380         # No 'hard' ABI. 'soft' or 'softfp'?
3381         if test x$fpu = xNONE; then
3382                 AC_TRY_COMPILE([], [
3383                         #ifdef __SOFTFP__
3384                         #error "Float ABI is not 'softfp'"
3385                         #endif
3386                         return 0;
3387                 ], [
3388                         fpu=VFP
3389                 ], [
3390                         fpu=NONE
3391                 ])
3392         fi
3393
3394         AC_MSG_RESULT($fpu)
3395         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3396         unset fpu
3397
3398         dnl *********************************************
3399         dnl *** Check which ARM version(s) we can use ***
3400         dnl *********************************************
3401         AC_MSG_CHECKING(which ARM version to use)
3402
3403         AC_TRY_COMPILE([], [
3404                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3405                 #error Not on ARM v5.
3406                 #endif
3407                 return 0;
3408         ], [
3409                 arm_v5=yes
3410
3411                 arm_ver=ARMv5
3412         ], [])
3413
3414         AC_TRY_COMPILE([], [
3415                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3416                 #error Not on ARM v6.
3417                 #endif
3418                 return 0;
3419         ], [
3420                 arm_v5=yes
3421                 arm_v6=yes
3422
3423                 arm_ver=ARMv6
3424         ], [])
3425
3426         AC_TRY_COMPILE([], [
3427                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3428                 #error Not on ARM v7.
3429                 #endif
3430                 return 0;
3431         ], [
3432                 arm_v5=yes
3433                 arm_v6=yes
3434                 arm_v7=yes
3435
3436                 arm_ver=ARMv7
3437         ], [])
3438
3439         AC_MSG_RESULT($arm_ver)
3440
3441         if test x$arm_v5 = xyes; then
3442                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3443                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3444         fi
3445
3446         if test x$arm_v6 = xyes; then
3447                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3448                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3449         fi
3450
3451         if test x$arm_v7 = xyes; then
3452                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3453                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3454         fi
3455 fi
3456
3457 if test ${TARGET} = ARM; then
3458         if test "x${with_jumptables}" = "xyes"; then
3459                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3460         fi
3461 fi
3462
3463 if test ${TARGET} = unknown; then
3464         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3465         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3466 fi
3467
3468 if test ${ACCESS_UNALIGNED} = no; then
3469         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3470 fi
3471
3472 case "x$libgc" in
3473         xincluded)
3474                 # Pass CPPFLAGS to libgc configure
3475                 # We should use a separate variable for this to avoid passing useless and
3476                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3477                 # This should be executed late so we pick up the final version of CPPFLAGS
3478                 # The problem with this approach, is that during a reconfigure, the main
3479                 # configure scripts gets invoked with these arguments, so we use separate
3480                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3481                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3482                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3483                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3484                 fi
3485                 # Don't pass -finstrument-for-thread-suspension in, 
3486                 # if these are instrumented it will be very bad news 
3487                 # (infinite recursion, undefined parking behavior, etc)
3488                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3489                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3490                 if test "x$support_boehm" = "xyes"; then
3491                         AC_CONFIG_SUBDIRS(libgc)
3492                 fi
3493                 ;;
3494 esac
3495
3496 AC_ARG_WITH(profile4_x,[  --with-profile4=yes,no          If you want to install the 4.6 FX (defaults to yes)],                [], [with_profile4_x=yes])
3497 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3498 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no         If you want to build the Xamarin.iOS assemblies (defaults to no)],   [], [with_monotouch=no])
3499 AC_ARG_WITH(xammac,    [  --with-xammac=yes,no            If you want to build the Xamarin.Mac assemblies (defaults to no)],   [], [with_xammac=no])
3500
3501 OPROFILE=no
3502 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3503         if test x$with_oprofile != xno; then
3504             oprofile_include=$with_oprofile/include
3505             if test ! -f $oprofile_include/opagent.h; then
3506                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3507                 fi
3508             OPROFILE=yes
3509                 OPROFILE_CFLAGS="-I$oprofile_include"
3510             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3511             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3512         fi
3513 ])
3514
3515 MALLOC_MEMPOOLS=no
3516 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3517         if test x$with_malloc_mempools = xyes; then
3518                 MALLOC_MEMPOOLS=yes
3519                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3520         fi
3521 ])
3522
3523
3524 DISABLE_MCS_DOCS=no
3525 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3526         if test x$with_mcs_docs != xyes; then
3527                 DISABLE_MCS_DOCS=yes
3528         fi
3529 ])
3530 if test x$with_profile4_x != xyes; then
3531         DISABLE_MCS_DOCS=yes
3532 fi
3533
3534 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)],[
3535         if test x$with_lazy_gc_thread_creation != xno ; then
3536                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3537         fi
3538 ], [with_lazy_gc_thread_creation=no])
3539
3540 AC_ARG_WITH(cooperative_gc, [  --with-cooperative-gc=yes|no      Enable cooperative stop-the-world garbage collection (sgen only) (defaults to no)],[
3541         if test x$with_cooperative_gc != xno ; then
3542                 AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3543         fi
3544 ], [with_cooperative_gc=no])
3545
3546 AC_CHECK_HEADER([malloc.h], 
3547                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3548                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3549
3550 if test x"$GCC" = xyes; then
3551         # Implicit function declarations are not 64 bit safe
3552         # Do this late, since this causes lots of configure tests to fail
3553         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3554         # jay has a lot of implicit declarations
3555         JAY_CFLAGS="-Wno-implicit-function-declaration"
3556 fi
3557
3558 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3559 # instead of libmono-static.a
3560 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3561    LIBMONO_LA=libmini-static.la
3562 else
3563    if test x$buildsgen = xyes; then
3564       LIBMONO_LA=libmonosgen-$API_VER.la
3565    else
3566       LIBMONO_LA=libmonoboehm-$API_VER.la
3567    fi
3568 fi
3569 AC_SUBST(LIBMONO_LA)
3570
3571 dnl
3572 dnl Consistency settings
3573 dnl
3574 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3575    DISABLE_MCS_DOCS=yes
3576    with_profile4_x=no
3577    with_monodroid=no
3578    with_monotouch=no
3579    with_xammac=no
3580 fi
3581
3582 if test x$DISABLE_MCS_DOCS = xyes; then
3583    docs_dir=""
3584 else
3585    docs_dir=docs
3586 fi
3587 AC_SUBST(docs_dir)
3588
3589 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3590 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3591
3592 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3593 AC_SUBST(OPROFILE_CFLAGS)
3594 AC_SUBST(OPROFILE_LIBS)
3595
3596 libmono_ldflags="$libmono_ldflags $LIBS"
3597
3598 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = xyes])
3599 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3600 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3601 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3602
3603 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3604 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3605 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3606 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3607 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3608 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3609 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3610 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3611 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3612 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3613 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3614 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3615 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3616 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3617 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3618 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3619 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3620 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3621
3622 AC_SUBST(LIBC)
3623 AC_SUBST(INTL)
3624 AC_SUBST(SQLITE)
3625 AC_SUBST(SQLITE3)
3626 AC_SUBST(X11)
3627 AC_SUBST(GDKX11)
3628 AC_SUBST(GTKX11)
3629 AC_SUBST(XINERAMA)
3630 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3631 AC_SUBST(arch_target)
3632 AC_SUBST(CFLAGS)
3633 AC_SUBST(CPPFLAGS)
3634 AC_SUBST(LDFLAGS)
3635
3636 mono_build_root=`pwd`
3637 AC_SUBST(mono_build_root)
3638
3639 mono_runtime=mono/mini/mono
3640 AC_SUBST(mono_runtime)
3641
3642 mono_cfg_root=$mono_build_root/runtime
3643 if test x$host_win32 = xyes; then
3644   if test "x$cross_compiling" = "xno"; then
3645     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3646   else
3647     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3648   fi
3649 else
3650   mono_cfg_dir=$mono_cfg_root/etc
3651 fi
3652 AC_SUBST(mono_cfg_dir)
3653
3654 default_profile=net_4_x
3655 if test -z "$INSTALL_MONODROID_TRUE"; then :
3656    default_profile=monodroid
3657 fi
3658 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3659    default_profile=monotouch
3660 fi
3661 if test -z "$INSTALL_XAMMAC_TRUE"; then :
3662    default_profile=xammac
3663 fi
3664 if test -z "$INSTALL_4_x_TRUE"; then :
3665    default_profile=net_4_x
3666 fi
3667 DEFAULT_PROFILE=$default_profile
3668 AC_SUBST(DEFAULT_PROFILE)
3669
3670 AC_CONFIG_FILES([po/mcs/Makefile.in])
3671
3672 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3673 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3674
3675 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3676 [   depth=../../../..
3677     case $srcdir in
3678     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3679     .) reldir=$depth ;;
3680     *) reldir=$depth/$srcdir ;;
3681     esac
3682     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3683     cd runtime/etc/mono/1.0
3684     rm -f machine.config
3685     $LN_S $reldir/data/net_1_1/machine.config machine.config
3686     cd $depth
3687 ],[LN_S='$LN_S'])
3688
3689 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3690 [   depth=../../../..
3691     case $srcdir in
3692     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3693     .) reldir=$depth ;;
3694     *) reldir=$depth/$srcdir ;;
3695     esac
3696     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3697     cd runtime/etc/mono/2.0
3698     rm -f machine.config
3699     $LN_S $reldir/data/net_2_0/machine.config machine.config
3700     cd $depth
3701 ],[LN_S='$LN_S'])
3702
3703 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3704 [   depth=../../../..
3705     case $srcdir in
3706     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3707     .) reldir=$depth ;;
3708     *) reldir=$depth/$srcdir ;;
3709     esac
3710     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3711     cd runtime/etc/mono/2.0
3712     rm -f web.config
3713     $LN_S $reldir/data/net_2_0/web.config web.config
3714     cd $depth
3715 ],[LN_S='$LN_S'])
3716
3717 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3718 [   depth=../../..
3719     case $srcdir in
3720     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3721     .) reldir=$depth ;;
3722     *) reldir=$depth/$srcdir ;;
3723     esac
3724     $ac_aux_dir/install-sh -d runtime/etc/mono/
3725     cd runtime/etc/mono/
3726     rm -f browscap.ini
3727     $LN_S $reldir/data/browscap.ini browscap.ini
3728     cd $depth
3729 ],[LN_S='$LN_S'])
3730
3731 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3732 [   depth=../../../../..
3733     case $srcdir in
3734     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3735     .) reldir=$depth ;;
3736     *) reldir=$depth/$srcdir ;;
3737     esac
3738     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3739     cd runtime/etc/mono/2.0/Browsers
3740     rm -f Compat.browser
3741     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3742     cd $depth
3743 ],[LN_S='$LN_S'])
3744
3745 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3746 [   depth=../../../../..
3747     case $srcdir in
3748     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3749     .) reldir=$depth ;;
3750     *) reldir=$depth/$srcdir ;;
3751     esac
3752     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3753     cd runtime/etc/mono/4.0/Browsers
3754     rm -f Compat.browser
3755     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3756     cd $depth
3757 ],[LN_S='$LN_S'])
3758
3759 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3760 [   depth=../../../../..
3761     case $srcdir in
3762     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3763     .) reldir=$depth ;;
3764     *) reldir=$depth/$srcdir ;;
3765     esac
3766     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3767     cd runtime/etc/mono/4.5/Browsers
3768     rm -f Compat.browser
3769     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3770     cd $depth
3771 ],[LN_S='$LN_S'])
3772
3773 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3774 [   depth=../../../..
3775     case $srcdir in
3776     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3777     .) reldir=$depth ;;
3778     *) reldir=$depth/$srcdir ;;
3779     esac
3780     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3781     cd runtime/etc/mono/4.0
3782     rm -f machine.config
3783     $LN_S $reldir/data/net_4_0/machine.config machine.config
3784     cd $depth
3785 ],[LN_S='$LN_S'])
3786
3787 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3788 [   depth=../../../..
3789     case $srcdir in
3790     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3791     .) reldir=$depth ;;
3792     *) reldir=$depth/$srcdir ;;
3793     esac
3794     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3795     cd runtime/etc/mono/4.0
3796     rm -f web.config
3797     $LN_S $reldir/data/net_4_0/web.config web.config
3798     cd $depth
3799 ],[LN_S='$LN_S'])
3800
3801 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3802 [   depth=../../../..
3803     case $srcdir in
3804     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3805     .) reldir=$depth ;;
3806     *) reldir=$depth/$srcdir ;;
3807     esac
3808     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3809     cd runtime/etc/mono/4.5
3810     rm -f machine.config
3811     $LN_S $reldir/data/net_4_5/machine.config machine.config
3812     cd $depth
3813 ],[LN_S='$LN_S'])
3814
3815 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3816 [   depth=../../../..
3817     case $srcdir in
3818     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3819     .) reldir=$depth ;;
3820     *) reldir=$depth/$srcdir ;;
3821     esac
3822     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3823     cd runtime/etc/mono/4.5
3824     rm -f web.config
3825     $LN_S $reldir/data/net_4_5/web.config web.config
3826     cd $depth
3827 ],[LN_S='$LN_S'])
3828
3829 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])
3830 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])
3831
3832 AC_OUTPUT([
3833 Makefile
3834 mono-uninstalled.pc
3835 scripts/mono-find-provides
3836 scripts/mono-find-requires
3837 mono/Makefile
3838 mono/utils/Makefile
3839 mono/metadata/Makefile
3840 mono/dis/Makefile
3841 mono/cil/Makefile
3842 mono/arch/Makefile
3843 mono/arch/x86/Makefile
3844 mono/arch/amd64/Makefile
3845 mono/arch/ppc/Makefile
3846 mono/arch/sparc/Makefile
3847 mono/arch/s390x/Makefile
3848 mono/arch/arm/Makefile
3849 mono/arch/arm64/Makefile
3850 mono/arch/ia64/Makefile
3851 mono/arch/mips/Makefile
3852 mono/sgen/Makefile
3853 mono/tests/Makefile
3854 mono/tests/tests-config
3855 mono/tests/assemblyresolve/Makefile
3856 mono/tests/gc-descriptors/Makefile
3857 mono/unit-tests/Makefile
3858 mono/benchmark/Makefile
3859 mono/io-layer/Makefile
3860 mono/mini/Makefile
3861 mono/profiler/Makefile
3862 m4/Makefile
3863 ikvm-native/Makefile
3864 scripts/Makefile
3865 man/Makefile
3866 docs/Makefile
3867 data/Makefile
3868 data/net_2_0/Makefile
3869 data/net_4_0/Makefile
3870 data/net_4_5/Makefile
3871 data/net_2_0/Browsers/Makefile
3872 data/net_4_0/Browsers/Makefile
3873 data/net_4_5/Browsers/Makefile
3874 data/mint.pc
3875 data/mono-2.pc
3876 data/monosgen-2.pc
3877 data/mono.pc
3878 data/mono-cairo.pc
3879 data/mono-nunit.pc
3880 data/mono-options.pc
3881 data/mono-lineeditor.pc
3882 data/monodoc.pc
3883 data/dotnet.pc
3884 data/dotnet35.pc
3885 data/wcf.pc
3886 data/cecil.pc
3887 data/system.web.extensions_1.0.pc
3888 data/system.web.extensions.design_1.0.pc
3889 data/system.web.mvc.pc
3890 data/system.web.mvc2.pc
3891 data/system.web.mvc3.pc
3892 data/aspnetwebstack.pc
3893 data/reactive.pc
3894 samples/Makefile
3895 support/Makefile
3896 data/config
3897 tools/Makefile
3898 tools/locale-builder/Makefile
3899 tools/sgen/Makefile
3900 tools/monograph/Makefile
3901 runtime/Makefile
3902 msvc/Makefile
3903 po/Makefile
3904 ])
3905
3906 # Update all submodules recursively to ensure everything is checked out
3907 $srcdir/scripts/update_submodules
3908
3909 if test x$host_win32 = xyes; then
3910    # Get rid of 'cyg' prefixes in library names
3911    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3912    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3913    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3914    # executable doesn't work...
3915    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3916 fi
3917
3918 if test x$platform_darwin = xyes; then
3919    # This doesn't seem to be required and it slows down parallel builds
3920    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3921 fi
3922
3923 (
3924   case $prefix in
3925   NONE) prefix=$ac_default_prefix ;;
3926   esac
3927   case $exec_prefix in
3928   NONE) exec_prefix='${prefix}' ;;
3929   esac
3930
3931   #
3932   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3933   # any existing config.make.  This allows people to share the same source tree
3934   # with different build directories, one native and one cross
3935   #
3936   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3937
3938     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3939
3940     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3941     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3942     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3943     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3944     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3945     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3946     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3947     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3948
3949     case $INSTALL in
3950     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3951     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3952     esac
3953
3954     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3955
3956     export VERSION
3957     [myver=$($AWK 'BEGIN {
3958       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3959       if(length(vsplit [1]) > 4) {
3960         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3961       }
3962       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3963     }')]
3964
3965     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3966
3967     if test x$platform_darwin = xyes; then
3968       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3969     fi
3970
3971         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3972            enable_system_aot=yes
3973         fi
3974
3975     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3976       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3977     fi
3978
3979     if test x$DISABLE_MCS_DOCS = xyes; then
3980       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3981     fi
3982
3983     if test x$has_extension_module != xno; then
3984         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3985     fi
3986     
3987     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3988     
3989     if test "x$test_bcl_opt" = "xyes"; then    
3990       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3991     fi
3992
3993   fi
3994
3995 )
3996
3997 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3998
3999 echo "
4000         mcs source:    $mcsdir
4001
4002    Engine:
4003         Host:          $host
4004         Target:        $target
4005         GC:            $gc_msg 
4006         TLS:           $with_tls
4007         SIGALTSTACK:   $with_sigaltstack
4008         Engine:        $jit_status
4009         oprofile:      $OPROFILE
4010         BigArrays:     $enable_big_arrays
4011         DTrace:        $enable_dtrace
4012         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4013
4014    Libraries:
4015         .NET 4.6:      $with_profile4_x
4016         MonoDroid:     $with_monodroid
4017         MonoTouch:     $with_monotouch
4018         Xamarin.Mac:   $with_xammac
4019         JNI support:   $jdk_headers_found
4020         libgdiplus:    $libgdiplus_msg
4021         zlib:          $zlib_msg
4022         $disabled
4023 "
4024 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4025    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4026 fi