138f88ec0c263e6b2e483a5561c104e725835a51
[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, [4.1.0],
5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
6
7 AC_CONFIG_SRCDIR([README.md])
8 AC_CONFIG_MACRO_DIR([m4])
9 AC_CANONICAL_SYSTEM
10 AC_CANONICAL_HOST
11
12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
13 # The extra brackets are to foil regex-based scans.
14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
15
16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects])
17 AC_CONFIG_HEADERS([config.h])
18 AM_MAINTAINER_MODE
19
20 API_VER=2.0
21 AC_SUBST(API_VER)
22
23 AC_PROG_LN_S
24
25 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
26
27 case $host_os in
28 *cygwin* )
29                  echo "Run configure using ./configure --host=i686-pc-mingw32"
30                  exit 1
31 esac
32
33 # In case of cygwin, override LN_S, irrespective of what it determines.
34 # The build uses cygwin, but the actual runtime doesn't.
35 case $host_os in
36 *cygwin* ) LN_S='cp -p';;
37 esac
38
39 #
40 # libgc defaults
41 #
42 libgc_configure_args=
43
44 if test -d $srcdir/libgc ; then
45   libgc_default=included
46 else
47   libgc_default=boehm
48 fi
49
50 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
51 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
52 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
53 CFLAGS_FOR_LIBGC=$CFLAGS
54 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
55 CFLAGS_FOR_EGLIB=$CFLAGS
56
57 # libgc uses some deprecated APIs
58 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
59
60 #
61 # These are the flags that need to be stored in the mono.pc file for 
62 # compiling code that will embed Mono
63 #
64 libmono_cflags=""
65 libmono_ldflags=""
66 AC_SUBST(libmono_cflags)
67 AC_SUBST(libmono_ldflags)
68
69 # Variable to have relocatable .pc files (lib, or lib64)
70 reloc_libdir=`basename ${libdir}`
71 AC_SUBST(reloc_libdir)
72
73 # Set to yes if Unix sockets cannot be created in an anonymous namespace
74 need_link_unlink=no
75
76 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
77 extra_runtime_ldflags=""
78
79 # Thread configuration inspired by sleepycat's db
80 AC_MSG_CHECKING([host platform characteristics])
81 libgc_threads=no
82 has_dtrace=no
83 parallel_mark=yes
84 ikvm_native=yes
85
86 case "$host" in
87         powerpc*-*-linux*)
88                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
89                 disable_munmap=yes
90         ;;
91 esac
92
93 host_win32=no
94 target_win32=no
95 platform_android=no
96 platform_darwin=no
97 case "$host" in
98         *-mingw*|*-*-cygwin*)
99                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
100                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
101                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
102                 host_win32=yes
103                 mono_cv_clang=no
104                 if test "x$cross_compiling" = "xno"; then
105                         target_win32=yes
106                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
107                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
108                         fi
109                 else
110                         target_win32=yes
111                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
112                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
113                 fi
114                 HOST_CC="gcc"
115                 # Windows XP SP2 is required
116                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0502 -D_WIN32_WINNT=0x0502 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
117                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
118                 libmono_cflags="-mms-bitfields -mwindows"
119                 libmono_ldflags="-mms-bitfields -mwindows"
120                 libdl=
121                 libgc_threads=win32
122                 libgc_default=included
123                 with_sigaltstack=no
124                 with_tls=pthread
125                 LN_S=cp
126                 # This forces libgc to use the DllMain based thread registration code on win32
127                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
128                 ;;
129         *-*-*netbsd*)
130                 host_win32=no
131                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
132                 libmono_cflags="-D_REENTRANT"
133                 LDFLAGS="$LDFLAGS -pthread"
134                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
135                 libmono_ldflags="-pthread"
136                 need_link_unlink=yes
137                 libdl="-ldl"
138                 libgc_threads=pthreads
139                 with_sigaltstack=no
140                 use_sigposix=yes
141                 ;;
142         *-*-kfreebsd*-gnu)
143                 host_win32=no
144                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
145                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
146                 libmono_ldflags="-lpthread -pthread"
147                 libdl="-ldl"
148                 libgc_threads=pthreads
149                 need_link_unlink=yes
150                 with_sigaltstack=no
151                 use_sigposix=yes
152                 ;;
153         *-*-*freebsd*)
154                 host_win32=no
155                 if test "x$PTHREAD_CFLAGS" = "x"; then
156                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
157                         libmono_cflags=
158                 else
159                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
160                         libmono_cflags="$PTHREAD_CFLAGS"
161                 fi
162                 if test "x$PTHREAD_LIBS" = "x"; then
163                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
164                         libmono_ldflags="-pthread"
165                 else
166                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
167                         libmono_ldflags="$PTHREAD_LIBS"
168                 fi
169                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
170                 need_link_unlink=yes
171                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
172                 libdl=
173                 libgc_threads=pthreads
174                 use_sigposix=yes
175                 has_dtrace=yes
176                 ;;
177         *-*-*openbsd*)
178                 host_win32=no
179                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
180                 if test "x$disable_munmap" != "xyes"; then
181                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
182                 fi
183                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
184                 LDFLAGS="$LDFLAGS -pthread"
185                 need_link_unlink=yes
186                 AC_DEFINE(PTHREAD_POINTER_ID)
187                 libdl=
188                 libgc_default=boehm
189                 libgc_threads=pthreads
190                 with_sigaltstack=no
191                 use_sigposix=yes
192                 ;;
193         *-*-linux-android*)
194                 host_win32=no
195                 platform_android=yes
196                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
197                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
198
199                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
200                 if test "x$disable_munmap" != "xyes"; then
201                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
202                 fi
203                 libmono_cflags="-D_REENTRANT"
204                 libdl="-ldl"
205                 libgc_threads=pthreads
206                 use_sigposix=yes
207
208                 with_tls=pthread
209                 with_sigaltstack=no
210                 with_static_mono=no
211
212                 # Android doesn't support boehm, as it's missing <link.h>
213                 support_boehm=no
214                 with_gc=sgen
215
216                 # isinf(3) requires -lm; see isinf check below
217                 LDFLAGS="$LDFLAGS -lm"
218
219                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
220                 # PAGE_SIZE; breaks mono/io-layer/collection.c
221                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
222                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
223                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
224
225                 # The configure check can't detect this
226                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
227
228                 # to bypass the underscore linker check, can't work when cross-compiling
229                 mono_cv_uscore=yes
230                 mono_cv_clang=no
231                 ;;
232         *-*-linux*)
233                 host_win32=no
234                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
235                 if test "x$disable_munmap" != "xyes"; then
236                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
237                 fi
238                 libmono_cflags="-D_REENTRANT"
239                 libdl="-ldl"
240                 libgc_threads=pthreads
241                 use_sigposix=yes
242                 if test "x$cross_compiling" != "xno"; then
243                         # to bypass the underscore linker check, not
244                         # available during cross-compilation
245                         mono_cv_uscore=no
246                 fi
247                 case "$host" in
248                 aarch64-*)
249                         support_boehm=no
250                         with_gc=sgen
251                         ;;
252                 esac
253                 ;;
254         *-*-nacl*)
255                 host_win32=no
256                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
257                 if test "x$disable_munmap" != "xyes"; then
258                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
259                 fi
260                 libmono_cflags="-D_REENTRANT"
261                 libdl=
262                 libgc_threads=pthreads
263                 libgc_default=boehm
264                 use_sigposix=yes
265                 ikvm_native=no
266                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
267                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
268                 ;;
269         *-*-hpux*)
270                 host_win32=no
271                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
272                 # +ESdbgasm only valid on bundled cc on RISC
273                 # silently ignored for ia64
274                 if test $GCC != "yes"; then
275                         CFLAGS="$CFLAGS +ESdbgasm"
276                         # Arrange for run-time dereferencing of null
277                         # pointers to produce a SIGSEGV signal.
278                         LDFLAGS="$LDFLAGS -z"
279                 fi
280                 CFLAGS="$CFLAGS +ESdbgasm"
281                 LDFLAGS="$LDFLAGS -z"
282                 libmono_cflags="-D_REENTRANT"
283                 libmono_ldflags="-lpthread"
284                 libgc_threads=pthreads
285                 need_link_unlink=yes
286                 use_sigposix=yes
287                 ;;
288         *-*-solaris*)
289                 host_win32=no
290                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
291                 need_link_unlink=yes
292                 libmono_cflags="-D_REENTRANT"
293                 libgc_threads=pthreads
294                 # This doesn't seem to work on solaris/x86, but the configure test runs
295                 with_tls=pthread
296                 has_dtrace=yes
297                 use_sigposix=yes
298                 enable_solaris_tar_check=yes
299                 ;;
300         *-*-darwin*)
301                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
302                 host_win32=no
303                 platform_darwin=yes
304                 target_mach=yes
305                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
306                 libmono_cflags="-D_THREAD_SAFE"
307                 need_link_unlink=yes
308                 AC_DEFINE(PTHREAD_POINTER_ID)
309                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
310                 libdl=
311                 libgc_threads=pthreads
312                 has_dtrace=yes
313                 if test "x$cross_compiling" = "xyes"; then
314                         has_broken_apple_cpp=yes
315                 fi
316                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
317                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
318                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
319                 case "$host" in
320                         dnl Snow Leopard and newer config.guess reports as this
321                         i*86-*-darwin*)
322                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
323                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
324                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
325                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
326                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
327                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
328                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
329                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
330                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
331                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
332                                 ;;
333                         x*64-*-darwin*)
334                                 ;;
335                         arm*-darwin*)
336                                 has_dtrace=no
337                                 ;;                      
338                 esac
339                 ;;
340         *-*-haiku*)
341                 host_win32=no
342                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
343                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
344                 libdl=
345                 LIBS="$LIBS -lnetwork"
346                 need_link_unlink=yes
347                 AC_DEFINE(PTHREAD_POINTER_ID)
348                 libgc_threads=pthreads
349                 use_sigposix=yes
350                 ;;
351         *)
352                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
353                 host_win32=no
354                 libdl="-ldl"
355                 ;;
356 esac
357 AC_MSG_RESULT(ok)
358
359 if test x$need_link_unlink = xyes; then
360    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
361 fi
362
363 AC_SUBST(extra_runtime_ldflags)
364 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
365 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
366 AM_CONDITIONAL(PLATFORM_GNU, echo x$target_os | grep -q -- -gnu)
367 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
368 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
369 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
370 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
371
372 AC_CHECK_TOOL(CC, gcc, gcc)
373 AC_PROG_CC
374 AC_CHECK_TOOL(CXX, g++, g++)
375 AC_PROG_CXX
376 AM_PROG_AS
377 AC_PROG_INSTALL
378 AC_PROG_AWK
379 AM_PROG_CC_C_O
380 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
381 : ${CCAS='$(CC)'}
382 # Set ASFLAGS if not already set.
383 : ${CCASFLAGS='$(CFLAGS)'}
384 AC_SUBST(CCAS)
385 AC_SUBST(CCASFLAGS)
386
387 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
388 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
389 if test "x$CXX" = "xg++"; then
390         if test "x$GXX" != "xyes"; then
391                 # automake/libtool is so broken, it requires g++ even if the c++ sources
392                 # are inside automake conditionals
393                 AC_MSG_ERROR([You need to install g++])
394         fi
395 fi
396
397 dnl may require a specific autoconf version
398 dnl AC_PROG_CC_FOR_BUILD
399 dnl CC_FOR_BUILD not automatically detected
400 CC_FOR_BUILD=$CC
401 CFLAGS_FOR_BUILD=$CFLAGS
402 BUILD_EXEEXT=
403 if test "x$cross_compiling" = "xyes"; then
404         CC_FOR_BUILD=cc
405         CFLAGS_FOR_BUILD=
406         BUILD_EXEEXT=""
407 fi
408 AC_SUBST(CC_FOR_BUILD)
409 AC_SUBST(CFLAGS_FOR_BUILD)
410 AC_SUBST(HOST_CC)
411 AC_SUBST(BUILD_EXEEXT)
412
413 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
414 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
415
416 # Set STDC_HEADERS
417 AC_HEADER_STDC
418 AC_LIBTOOL_WIN32_DLL
419 # This causes monodis to not link correctly
420 #AC_DISABLE_FAST_INSTALL
421 AM_PROG_LIBTOOL
422 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
423 DOLT
424
425 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
426 AC_SUBST(export_ldflags)
427
428 # Test whenever ld supports -version-script
429 AC_PROG_LD
430 AC_PROG_LD_GNU
431
432 AM_ICONV()
433
434 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)
435 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)
436 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
437                   [], [], [#include <stddef.h>
438                   #include <sys/socket.h>
439                   #include <linux/socket.h>])
440
441 AC_CHECK_HEADERS(sys/user.h, [], [],
442 [
443 #ifdef HAVE_SYS_PARAM_H
444 # include <sys/param.h>
445 #endif
446 ])
447
448 AC_CHECK_HEADERS(linux/serial.h)
449
450 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
451 if test x$have_zlib = xyes; then
452    AC_TRY_COMPILE([#include <zlib.h>], [
453    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
454    return 0;
455    #else
456    #error No good zlib found
457    #endif
458    ],[
459         AC_MSG_RESULT(Using system zlib)
460         zlib_msg="system zlib"
461         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
462    ],[
463         AC_MSG_RESULT(Using embedded zlib)
464         have_zlib=no
465         zlib_msg="bundled zlib"
466    ])
467 fi
468
469 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
470 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
471
472 # for mono/metadata/debug-symfile.c
473 AC_CHECK_HEADERS(elf.h)
474
475 # for support
476 AC_CHECK_HEADERS(poll.h)
477 AC_CHECK_HEADERS(sys/poll.h)
478 AC_CHECK_HEADERS(sys/wait.h)
479 AC_CHECK_HEADERS(grp.h)
480 AC_CHECK_HEADERS(syslog.h)
481
482 # for mono/dis
483 AC_CHECK_HEADERS(wchar.h)
484 AC_CHECK_HEADERS(ieeefp.h)
485 AC_MSG_CHECKING(for isinf)
486 AC_TRY_LINK([#include <math.h>], [
487         int f = isinf (1.0);
488 ], [
489         AC_MSG_RESULT(yes)
490         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
491 ], [
492         # We'll have to use signals
493         AC_MSG_RESULT(no)
494 ])
495 # mingw
496 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
497         AC_TRY_LINK([#include <math.h>], 
498         [ _finite(0.0); ], 
499         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
500         AC_MSG_RESULT(no)))
501
502 # for Linux statfs support
503 AC_CHECK_HEADERS(linux/magic.h)
504
505 # not 64 bit clean in cross-compile
506 AC_CHECK_SIZEOF(void *, 4)
507
508 AC_CACHE_CHECK([for clang],
509         mono_cv_clang,[
510         AC_TRY_COMPILE([], [
511                 #ifdef __clang__
512                 #else
513                 #error "FAILED"
514                 #endif
515                 return 0;
516         ],
517         [mono_cv_clang=yes],
518         [mono_cv_clang=no],
519         [])
520 ])
521
522 AC_ARG_ENABLE(visiblity-hidden,
523 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden]
524    disable_visibility_hidden=no, disable_visibility_hidden=yes)
525
526 WARN=''
527 if test x"$GCC" = xyes; then
528         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
529
530                 # We require C99 with some GNU extensions, e.g. `linux` macro
531                 CFLAGS="$CFLAGS -std=gnu99"
532
533                 # The runtime code does not respect ANSI C strict aliasing rules
534                 CFLAGS="$CFLAGS -fno-strict-aliasing"
535
536                 # We rely on signed overflow to behave
537                 CFLAGS="$CFLAGS -fwrapv"
538
539                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
540                 if test x"$disable_visibility_hidden" = xno; then
541                    # Don't export any symbols by default
542                    SHARED_CFLAGS="-fvisibility=hidden"
543                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
544                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
545                 fi
546
547                 ORIG_CFLAGS=$CFLAGS
548                 # Check for the normal version, since gcc ignores unknown -Wno options
549                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
550                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
551                 AC_TRY_COMPILE([],[
552                                 return 0;
553                 ], [
554                    AC_MSG_RESULT(yes)
555                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
556                 ], [
557                    AC_MSG_RESULT(no)
558                    CFLAGS=$ORIG_CFLAGS
559                 ])
560
561                 if test "x$mono_cv_clang" = "xyes"; then
562                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
563                    WARN="$WARN -Qunused-arguments"
564                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign"
565                 fi
566 else
567         # The Sun Forte compiler complains about inline functions that access static variables
568         # so disable all inlining.
569         case "$host" in
570         *-*-solaris*)
571                 CFLAGS="$CFLAGS -Dinline="
572                 ;;
573         esac
574 fi
575 CFLAGS="$CFLAGS -g $WARN"
576 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
577 CPPFLAGS="$CPPFLAGS -g $WARN"
578
579 # Where's the 'mcs' source tree?
580 if test -d $srcdir/mcs; then
581   mcsdir=mcs
582 else
583   mcsdir=../mcs
584 fi
585
586 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
587         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
588                 mcsdir=$with_mcs_path
589         fi
590 )
591
592 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
593
594 #
595 # A sanity check to catch cases where the package was unpacked
596 # with an ancient tar program (Solaris)
597 #
598 AC_ARG_ENABLE(solaris-tar-check,
599 [  --disable-solaris-tar-check    disable solaris tar check],
600    do_solaris_tar_check=no, do_solaris_tar_check=yes)
601
602 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
603         AC_MSG_CHECKING(integrity of package)
604         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
605         then
606                 AC_MSG_RESULT(ok)
607         else
608                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
609                 AC_MSG_ERROR([$errorm])
610         fi
611 fi
612
613 if test "x$with_mcs_path" != "x"; then
614 mcs_topdir=$(cd "$mcsdir" && pwd)
615 mcs_topdir_from_srcdir=$mcs_topdir
616 else
617 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
618 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
619 fi
620
621 # Convert mcs_topdir* paths to Windows syntax.
622 if test x$cross_compiling$host_win32 = xnoyes; then
623   mcs_topdir=$(cygpath -m $mcs_topdir)
624   case $mcs_topdir_from_srcdir in
625     /cygdrive/*)
626         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
627         ;;
628   esac
629 fi
630
631 AC_SUBST([mcs_topdir])
632 AC_SUBST([mcs_topdir_from_srcdir])
633
634 # Where's the 'olive' source tree?
635 if test -d $srcdir/olive; then
636   olivedir=olive
637 else
638   olivedir=../olive
639 fi
640
641 if test -d $srcdir/$olivedir; then
642 olive_topdir='$(top_srcdir)/'$olivedir
643 fi
644
645 # gettext: prepare the translation directories. 
646 # we do not configure the full gettext, as we consume it dynamically from C#
647 AM_PO_SUBDIRS
648
649 if test "x$USE_NLS" = "xyes"; then
650    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
651
652    if test "x$HAVE_MSGFMT" = "xno"; then
653           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
654    fi
655 fi
656
657 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
658
659 pkg_config_path=
660 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
661         if test x$with_crosspkgdir = "x"; then
662                 if test -s $PKG_CONFIG_PATH; then
663                         pkg_config_path=$PKG_CONFIG_PATH
664                 fi
665         else
666                 pkg_config_path=$with_crosspkgdir
667                 PKG_CONFIG_PATH=$pkg_config_path
668                 export PKG_CONFIG_PATH
669         fi
670 )
671
672 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
673 if test x$werror_flag = xyes; then
674         WERROR_CFLAGS="-Werror"
675 fi
676 AC_SUBST([WERROR_CFLAGS])
677 AC_SUBST([SHARED_CFLAGS])
678
679 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
680 AC_CONFIG_SUBDIRS(eglib)
681
682 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
683 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
684 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
685 BUILD_GLIB_LIBS="$GLIB_LIBS"
686 GMODULE_CFLAGS="$GLIB_CFLAGS"
687 GMODULE_LIBS="$GLIB_LIBS"
688   
689 AC_SUBST(GLIB_CFLAGS)
690 AC_SUBST(GLIB_LIBS)
691 AC_SUBST(GMODULE_CFLAGS)
692 AC_SUBST(GMODULE_LIBS)
693 AC_SUBST(BUILD_GLIB_CFLAGS)
694 AC_SUBST(BUILD_GLIB_LIBS)
695
696 # Enable support for fast thread-local storage
697 # Some systems have broken support, so we allow to disable it.
698 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
699
700 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
701 # This does not work on some platforms (bug #55253)
702 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
703
704 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
705 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
706 # Same as --with-shared_mono=no
707 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
708
709 if test "x$enable_static" = "xno"; then
710    with_static_mono=no
711 fi
712
713 if test "x$enable_shared" = "xno"; then
714    with_shared_mono=no
715 fi
716
717 if test "x$enable_libraries" = "xno"; then
718    with_shared_mono=no
719 fi
720
721 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
722
723 case $host in
724 *nacl* ) with_shared_mono=yes;;
725 esac
726
727 if test "x$host_win32" = "xyes"; then
728    # Boehm GC requires the runtime to be in its own dll
729    with_static_mono=no
730 fi
731
732 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
733 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
734 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
735
736 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
737 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
738         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
739         ORIG_CFLAGS=$CFLAGS
740         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
741         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
742         AC_TRY_COMPILE([], [
743                 return 0;
744         ], [
745            AC_MSG_RESULT(yes)
746            # Pass it to libgc as well
747            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
748         ], [
749            AC_MSG_RESULT(no)
750            CFLAGS=$ORIG_CFLAGS
751         ])
752 fi
753
754 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
755
756 if test x$enable_small_config = xyes; then
757         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
758         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
759 fi
760
761 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=$enableval, enable_system_aot=default)
762
763 DISABLED_FEATURES=none
764
765 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
766      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
767      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
768          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying, shared_handles.],
769 [
770         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
771                 eval "mono_feature_disable_$feature='yes'"
772         done
773         DISABLED_FEATURES=$enable_minimal
774         disabled="Disabled:      $enable_minimal"
775 ],[])
776
777 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
778
779 if test "x$mono_feature_disable_aot" = "xyes"; then
780         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
781         AC_MSG_NOTICE([Disabled AOT compiler])
782 fi
783
784 if test "x$mono_feature_disable_profiler" = "xyes"; then
785         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
786         AC_MSG_NOTICE([Disabled support for the profiler])
787 fi
788 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
789
790 if test "x$mono_feature_disable_decimal" = "xyes"; then
791         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
792         AC_MSG_NOTICE([Disabled support for decimal])
793 fi
794
795 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
796         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
797         AC_MSG_NOTICE([Disabled support for P/Invoke])
798 fi
799
800 if test "x$mono_feature_disable_debug" = "xyes"; then
801         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
802         AC_MSG_NOTICE([Disabled support for runtime debugging])
803 fi
804
805 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
806         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
807         mono_feature_disable_reflection_emit_save=yes
808         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
809 fi
810
811 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
812         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
813         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
814 fi
815
816 if test "x$mono_feature_disable_large_code" = "xyes"; then
817         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
818         AC_MSG_NOTICE([Disabled support for large assemblies])
819 fi
820
821 if test "x$mono_feature_disable_logging" = "xyes"; then
822         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
823         AC_MSG_NOTICE([Disabled support for logging])
824 fi
825
826 if test "x$mono_feature_disable_com" = "xyes"; then
827         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
828         AC_MSG_NOTICE([Disabled COM support])
829 fi
830
831 if test "x$mono_feature_disable_ssa" = "xyes"; then
832         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
833         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
834 fi
835
836 if test "x$mono_feature_disable_generics" = "xyes"; then
837         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
838         AC_MSG_NOTICE([Disabled Generics Support])
839 fi
840
841 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
842         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
843         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
844 fi
845
846 if test "x$mono_feature_disable_portability" = "xyes"; then
847         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
848         AC_MSG_NOTICE([Disabled IO Portability layer])
849 fi
850
851 if test "x$mono_feature_disable_attach" = "xyes"; then
852         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
853         AC_MSG_NOTICE([Disabled agent attach])
854 fi
855
856 if test "x$mono_feature_disable_full_messages" = "xyes"; then
857         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
858         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
859 fi
860
861 if test "x$mono_feature_disable_verifier" = "xyes"; then
862         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
863         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
864 fi
865
866 if test "x$mono_feature_disable_jit" = "xyes"; then
867         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
868         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
869 fi
870
871 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
872
873 if test "x$mono_feature_disable_simd" = "xyes"; then
874         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
875         AC_MSG_NOTICE([Disabled SIMD support])
876 fi
877
878 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
879         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
880         AC_MSG_NOTICE([Disabled Soft Debugger.])
881 fi
882
883 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
884         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
885         AC_MSG_NOTICE([Disabled Performance Counters.])
886 fi
887 if test "x$mono_feature_disable_normalization" = "xyes"; then
888         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
889         AC_MSG_NOTICE([Disabled String normalization support.])
890 fi
891
892 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
893         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
894         AC_MSG_NOTICE([Disabled Assembly remapping.])
895 fi
896
897 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
898         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
899         AC_MSG_NOTICE([Disabled Shared perfcounters.])
900 fi
901
902 if test "x$mono_feature_disable_appdomains" = "xyes"; then
903         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
904         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
905 fi
906
907 if test "x$mono_feature_disable_remoting" = "xyes"; then
908         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
909         AC_MSG_NOTICE([Disabled remoting])
910 fi
911
912 if test "x$mono_feature_disable_security" = "xyes"; then
913         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
914         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
915 fi
916
917 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
918         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
919         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
920 fi
921
922 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
923         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
924         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
925 fi
926
927 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
928         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
929         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
930 fi
931
932 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
933         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
934         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
935 fi
936
937 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
938         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
939         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
940 fi
941
942 if test "x$mono_feature_disable_shared_handles" = "xyes"; then
943         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
944         AC_SUBST(DISABLE_SHARED_HANDLES)
945 fi
946
947 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
948 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
949
950 has_extension_module=no
951 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
952 [
953         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
954                 if test x$extension = xdefault ; then
955                         has_extension_module=yes;
956                 fi
957         done
958         if test x$enable_extension_module = xyes; then
959                 has_extension_module=yes;
960         fi
961 ], [])
962
963 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
964
965 if test x$has_extension_module != xno ; then
966         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
967         AC_MSG_NOTICE([Enabling mono extension module.])
968 fi
969
970 AC_ARG_ENABLE(gsharing, [  --enable-gsharing Enable gsharing], enable_gsharing=$enableval, enable_gsharing=no)
971 if test x$enable_gsharing = xyes; then
972         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharing])
973 fi
974
975 # A synonym
976 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing], enable_gsharedvt=$enableval, enable_gsharedvt=no)
977 if test x$enable_gsharedvt = xyes; then
978         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharedvt])
979 fi
980
981 AC_ARG_ENABLE(native-types, [  --enable-native-types Enable native types], enable_native_types=$enableval, enable_native_types=no)
982 if test x$enable_native_types = xyes; then
983         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
984 fi
985
986 AC_MSG_CHECKING(for visibility __attribute__)
987 AC_COMPILE_IFELSE([
988         AC_LANG_SOURCE([[
989                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
990                 int main () { doit (); return 0; }
991         ]])
992 ], [
993    have_visibility_hidden=yes
994    AC_MSG_RESULT(yes)
995 ], [
996    have_visibility_hidden=no
997    AC_MSG_RESULT(no)
998 ])
999
1000 AC_MSG_CHECKING(for deprecated __attribute__)
1001 AC_TRY_COMPILE([
1002      int doit (void) __attribute__ ((deprecated));
1003      int doit (void) { return 0; }
1004 ], [
1005         return 0;
1006 ], [
1007    have_deprecated=yes
1008    AC_MSG_RESULT(yes)
1009 ], [
1010    have_deprecated=no
1011    AC_MSG_RESULT(no)
1012 ])
1013
1014 dnl
1015 dnl Boehm GC configuration
1016 dnl
1017
1018 AC_ARG_WITH(libgc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=$libgc_default])
1019
1020 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1021 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1022
1023 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1024 if test x$enable_parallel_mark = xyes; then
1025         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1026 fi
1027
1028 gc_headers=no
1029 gc_msg=""
1030 use_included_gc=no
1031 LIBGC_CPPFLAGS=
1032 LIBGC_LIBS=
1033 LIBGC_STATIC_LIBS=
1034 libgc_dir=
1035 case "x$libgc" in
1036         xboehm|xbohem|xyes)
1037                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
1038                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
1039
1040                 if test "x$found_boehm" != "xyes"; then
1041                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
1042                 fi
1043                 if test "x$gc_headers" != "xyes"; then
1044                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
1045                 fi
1046
1047                 LIBGC_LIBS="-lgc $libdl"
1048                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
1049                 libmono_ldflags="$libmono_ldflags -lgc"
1050                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1051
1052                 # AC_CHECK_FUNCS does not work for some reason...
1053                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1054                 if test "x$found_gcj_malloc" = "xyes"; then
1055                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1056                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1057                         gc_msg="System Boehm with typed GC"
1058                 else
1059                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1060                         gc_msg="System Boehm (without typed GC)"
1061                 fi
1062                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1063                 if test "x$found_gc_enable" = "xyes"; then
1064                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1065                 fi
1066
1067                 # check whether we need to explicitly allow
1068                 # thread registering
1069                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1070                 if test "x$found_allow_register_threads" = "xyes"; then
1071                    AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1072                 fi
1073                 ;;
1074
1075         xincluded)
1076                 use_included_gc=yes
1077                 if test "x$support_boehm" = "xyes"; then
1078                         libgc_dir=libgc
1079                 fi
1080
1081                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1082                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1083                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1084
1085                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1086
1087                 if test x$target_win32 = xyes; then
1088                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1089                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1090                 fi
1091
1092                 gc_msg="Included Boehm GC with typed GC"
1093                 if test x$enable_parallel_mark = xyes; then
1094                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1095                         gc_msg="$gc_msg and parallel mark"
1096                 else
1097                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1098                 fi
1099                 ;;
1100
1101         xsgen)
1102                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1103                 ;;
1104
1105         xnone)
1106                 AC_MSG_WARN("Compiling mono without GC.")
1107                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1108                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1109                 gc_msg="none"
1110                 ;;
1111         *)
1112                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1113                 ;;
1114 esac
1115
1116 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1117 if test "x$large_heap" = "xyes"; then
1118    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1119 fi
1120
1121 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1122 AC_SUBST(LIBGC_CPPFLAGS)
1123 AC_SUBST(LIBGC_LIBS)
1124 AC_SUBST(LIBGC_STATIC_LIBS)
1125 AC_SUBST(libgc_dir)
1126 AC_SUBST(BOEHM_DEFINES)
1127
1128 dnl
1129 dnl End of Boehm GC Configuration
1130 dnl
1131
1132 dnl *************************************
1133 dnl *** Checks for zero length arrays ***
1134 dnl *************************************
1135 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1136 AC_TRY_COMPILE([
1137         struct s {
1138                 int  length;
1139                 char data [0];
1140         };
1141 ], [], [
1142         AC_MSG_RESULT(yes)
1143         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1144 ], [
1145         AC_MSG_RESULT(no)
1146         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1147 ])
1148
1149 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1150
1151 dnl ***********************************
1152 dnl *** Checks for signals
1153 dnl ***********************************
1154 AC_CHECK_HEADERS(signal.h)
1155 AC_CHECK_FUNCS(sigaction)
1156
1157 if test x$target_win32 = xno; then
1158
1159         dnl hires monotonic clock support
1160         AC_SEARCH_LIBS(clock_gettime, rt)
1161
1162         dnl dynamic loader support
1163         AC_CHECK_FUNC(dlopen, DL_LIB="",
1164                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1165         )
1166         if test x$dl_support = xno; then
1167                 AC_MSG_WARN([No dynamic loading support available])
1168         else
1169                 LIBS="$LIBS $DL_LIB"
1170                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1171                 dnl from glib's configure.ac
1172                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1173                         mono_cv_uscore,[
1174                         AC_TRY_RUN([#include <dlfcn.h>
1175                         int mono_underscore_test (void) { return 42; }
1176                         int main() {
1177                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1178                           handle = dlopen ((void*)0, 0);
1179                           if (handle) {
1180                             f1 = dlsym (handle, "mono_underscore_test");
1181                             f2 = dlsym (handle, "_mono_underscore_test");
1182                           } return (!f2 || f1);
1183                         }],
1184                                 [mono_cv_uscore=yes],
1185                                 [mono_cv_uscore=no],
1186                         [])
1187                 ])
1188                 if test "x$mono_cv_uscore" = "xyes"; then
1189                         MONO_DL_NEED_USCORE=1
1190                 else
1191                         MONO_DL_NEED_USCORE=0
1192                 fi
1193                 AC_SUBST(MONO_DL_NEED_USCORE)
1194                 AC_CHECK_FUNC(dlerror)
1195         fi
1196
1197         dnl ******************************************************************
1198         dnl *** Checks for the IKVM JNI interface library                  ***
1199         dnl ******************************************************************
1200         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])
1201
1202         ikvm_native_dir=
1203         if test x$with_ikvm_native = xyes; then
1204                 ikvm_native_dir=ikvm-native
1205                 jdk_headers_found="IKVM Native"
1206         fi
1207
1208         AC_SUBST(ikvm_native_dir)
1209
1210         AC_CHECK_HEADERS(execinfo.h)
1211
1212         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1213
1214         AC_CHECK_FUNCS(getgrgid_r)
1215         AC_CHECK_FUNCS(getgrnam_r)
1216         AC_CHECK_FUNCS(getpwnam_r)
1217         AC_CHECK_FUNCS(getpwuid_r)
1218         AC_CHECK_FUNCS(getresuid)
1219         AC_CHECK_FUNCS(setresuid)
1220         AC_CHECK_FUNCS(kqueue)
1221         AC_CHECK_FUNCS(backtrace_symbols)
1222         AC_CHECK_FUNCS(mkstemp)
1223         AC_CHECK_FUNCS(mmap)
1224         AC_CHECK_FUNCS(madvise)
1225         AC_CHECK_FUNCS(getrusage)
1226         AC_CHECK_FUNCS(getpriority)
1227         AC_CHECK_FUNCS(setpriority)
1228         AC_CHECK_FUNCS(dl_iterate_phdr)
1229         AC_CHECK_FUNCS(dladdr)
1230         AC_CHECK_FUNCS(sysconf)
1231         AC_CHECK_FUNCS(getrlimit)
1232
1233         AC_CHECK_FUNCS(sched_setaffinity)
1234         AC_CHECK_FUNCS(sched_getcpu)
1235
1236         dnl ****************************************************************
1237         dnl *** Check for sched_setaffinity from glibc versions before   ***
1238         dnl *** 2.3.4. The older versions of the function only take 2    ***
1239         dnl *** parameters, not 3.                                       ***
1240         dnl ***                                                          ***
1241         dnl *** Because the interface change was not made in a minor     ***
1242         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1243         dnl *** won't always indicate the interface sched_affinity has.  ***
1244         dnl ****************************************************************
1245         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1246         AC_TRY_COMPILE([#include <sched.h>], [
1247             int mask = 1; 
1248             sched_setaffinity(0, &mask);
1249                         return 0;
1250         ], [
1251                 # Yes, we have it...
1252                 AC_MSG_RESULT(yes)
1253                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1254         ], [
1255                 # We have the new, three-parameter version
1256                 AC_MSG_RESULT(no)
1257         ])
1258
1259
1260         dnl ******************************************************************
1261         dnl *** Check for large file support                               ***
1262         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1263         dnl ******************************************************************
1264         
1265         # Check that off_t can represent 2**63 - 1 correctly, working around
1266         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1267         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1268         large_offt=no
1269         AC_DEFUN([LARGE_FILES], [
1270                 large_CPPFLAGS=$CPPFLAGS
1271                 CPPFLAGS="$CPPFLAGS $1"
1272                 AC_TRY_COMPILE([
1273                         #include <sys/types.h>
1274                         #include <limits.h>
1275                 ], [
1276                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1277                         #define COMPILE_TIME_ASSERT(pred) \
1278                                 switch(0){case 0:case pred:;}
1279                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1280                 ], [
1281                         AC_MSG_RESULT(ok)
1282                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1283                         large_CPPFLAGS="$large_CPPFLAGS $1"
1284                         large_offt=yes
1285                 ], [
1286                         AC_MSG_RESULT(no)
1287                 ])
1288                 CPPFLAGS=$large_CPPFLAGS
1289         ])
1290
1291         AC_MSG_CHECKING(if off_t is 64 bits wide)
1292         LARGE_FILES("")
1293         if test $large_offt = no; then
1294                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1295                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1296         fi
1297         if test $large_offt = no; then
1298                 AC_MSG_WARN([No 64 bit file size support available])
1299         fi
1300         
1301         dnl *****************************
1302         dnl *** Checks for libsocket  ***
1303         dnl *****************************
1304         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1305
1306         case "$host" in
1307                 *-*-*freebsd*)
1308                         dnl *****************************
1309                         dnl *** Checks for libinotify ***
1310                         dnl *****************************
1311                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1312         esac
1313
1314         dnl *******************************
1315         dnl *** Checks for MSG_NOSIGNAL ***
1316         dnl *******************************
1317         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1318         AC_TRY_COMPILE([#include <sys/socket.h>], [
1319                 int f = MSG_NOSIGNAL;
1320         ], [
1321                 # Yes, we have it...
1322                 AC_MSG_RESULT(yes)
1323                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1324         ], [
1325                 # We'll have to use signals
1326                 AC_MSG_RESULT(no)
1327         ])
1328
1329         dnl *****************************
1330         dnl *** Checks for IPPROTO_IP ***
1331         dnl *****************************
1332         AC_MSG_CHECKING(for IPPROTO_IP)
1333         AC_TRY_COMPILE([#include <netinet/in.h>], [
1334                 int level = IPPROTO_IP;
1335         ], [
1336                 # Yes, we have it...
1337                 AC_MSG_RESULT(yes)
1338                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1339         ], [
1340                 # We'll have to use getprotobyname
1341                 AC_MSG_RESULT(no)
1342         ])
1343
1344         dnl *******************************
1345         dnl *** Checks for IPPROTO_IPV6 ***
1346         dnl *******************************
1347         AC_MSG_CHECKING(for IPPROTO_IPV6)
1348         AC_TRY_COMPILE([#include <netinet/in.h>], [
1349                 int level = IPPROTO_IPV6;
1350         ], [
1351                 # Yes, we have it...
1352                 AC_MSG_RESULT(yes)
1353                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1354         ], [
1355                 # We'll have to use getprotobyname
1356                 AC_MSG_RESULT(no)
1357         ])
1358
1359         dnl ******************************
1360         dnl *** Checks for IPPROTO_TCP ***
1361         dnl ******************************
1362         AC_MSG_CHECKING(for IPPROTO_TCP)
1363         AC_TRY_COMPILE([#include <netinet/in.h>], [
1364                 int level = IPPROTO_TCP;
1365         ], [
1366                 # Yes, we have it...
1367                 AC_MSG_RESULT(yes)
1368                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1369         ], [
1370                 # We'll have to use getprotobyname
1371                 AC_MSG_RESULT(no)
1372         ])
1373
1374         dnl *****************************
1375         dnl *** Checks for SOL_IP     ***
1376         dnl *****************************
1377         AC_MSG_CHECKING(for SOL_IP)
1378         AC_TRY_COMPILE([#include <netdb.h>], [
1379                 int level = SOL_IP;
1380         ], [
1381                 # Yes, we have it...
1382                 AC_MSG_RESULT(yes)
1383                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1384         ], [
1385                 # We'll have to use getprotobyname
1386                 AC_MSG_RESULT(no)
1387         ])
1388
1389         dnl *****************************
1390         dnl *** Checks for SOL_IPV6     ***
1391         dnl *****************************
1392         AC_MSG_CHECKING(for SOL_IPV6)
1393         AC_TRY_COMPILE([#include <netdb.h>], [
1394                 int level = SOL_IPV6;
1395         ], [
1396                 # Yes, we have it...
1397                 AC_MSG_RESULT(yes)
1398                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1399         ], [
1400                 # We'll have to use getprotobyname
1401                 AC_MSG_RESULT(no)
1402         ])
1403
1404         dnl *****************************
1405         dnl *** Checks for SOL_TCP    ***
1406         dnl *****************************
1407         AC_MSG_CHECKING(for SOL_TCP)
1408         AC_TRY_COMPILE([#include <netdb.h>], [
1409                 int level = SOL_TCP;
1410         ], [
1411                 # Yes, we have it...
1412                 AC_MSG_RESULT(yes)
1413                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1414         ], [
1415                 # We'll have to use getprotobyname
1416                 AC_MSG_RESULT(no)
1417         ])
1418
1419         dnl *****************************
1420         dnl *** Checks for IP_PKTINFO ***
1421         dnl *****************************
1422         AC_MSG_CHECKING(for IP_PKTINFO)
1423         AC_TRY_COMPILE([#include <linux/in.h>], [
1424                 int level = IP_PKTINFO;
1425         ], [
1426                 # Yes, we have it...
1427                 AC_MSG_RESULT(yes)
1428                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1429         ], [
1430                 AC_MSG_RESULT(no)
1431         ])
1432
1433         dnl *****************************
1434         dnl *** Checks for IPV6_PKTINFO ***
1435         dnl *****************************
1436         AC_MSG_CHECKING(for IPV6_PKTINFO)
1437         AC_TRY_COMPILE([#include <netdb.h>], [
1438                 int level = IPV6_PKTINFO;
1439         ], [
1440                 # Yes, we have it...
1441                 AC_MSG_RESULT(yes)
1442                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1443         ], [
1444                 AC_MSG_RESULT(no)
1445         ])
1446
1447         dnl **********************************
1448         dnl *** Checks for IP_DONTFRAG     ***
1449         dnl **********************************
1450         AC_MSG_CHECKING(for IP_DONTFRAG)
1451         AC_TRY_COMPILE([#include <netinet/in.h>], [
1452                 int level = IP_DONTFRAG;
1453         ], [
1454                 # Yes, we have it...
1455                 AC_MSG_RESULT(yes)
1456                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1457         ], [
1458                 AC_MSG_RESULT(no)
1459         ])
1460
1461         dnl **********************************
1462         dnl *** Checks for IP_DONTFRAGMENT ***
1463         dnl **********************************
1464         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1465         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1466                 int level = IP_DONTFRAGMENT;
1467         ], [
1468                 # Yes, we have it...
1469                 AC_MSG_RESULT(yes)
1470                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1471         ], [
1472                 AC_MSG_RESULT(no)
1473         ])
1474
1475         dnl **********************************
1476         dnl *** Checks for IP_MTU_DISCOVER ***
1477         dnl **********************************
1478         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1479         AC_TRY_COMPILE([#include <linux/in.h>], [
1480                 int level = IP_MTU_DISCOVER;
1481         ], [
1482                 # Yes, we have it...
1483                 AC_MSG_RESULT(yes)
1484                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1485         ], [
1486                 AC_MSG_RESULT(no)
1487         ])
1488
1489         dnl **********************************
1490         dnl *** Checks for  IP_PMTUDISC_DO ***
1491         dnl **********************************
1492         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1493         AC_TRY_COMPILE([#include <linux/in.h>], [
1494                 int level = IP_PMTUDISC_DO;
1495         ], [
1496                 # Yes, we have it...
1497                 AC_MSG_RESULT(yes)
1498                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1499         ], [
1500                 AC_MSG_RESULT(no)
1501         ])
1502
1503         dnl *********************************
1504         dnl *** Check for struct ip_mreqn ***
1505         dnl *********************************
1506         AC_MSG_CHECKING(for struct ip_mreqn)
1507         AC_TRY_COMPILE([#include <netinet/in.h>], [
1508                 struct ip_mreqn mreq;
1509                 mreq.imr_address.s_addr = 0;
1510         ], [
1511                 # Yes, we have it...
1512                 AC_MSG_RESULT(yes)
1513                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1514         ], [
1515                 # We'll just have to try and use struct ip_mreq
1516                 AC_MSG_RESULT(no)
1517                 AC_MSG_CHECKING(for struct ip_mreq)
1518                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1519                         struct ip_mreq mreq;
1520                         mreq.imr_interface.s_addr = 0;
1521                 ], [
1522                         # Yes, we have it...
1523                         AC_MSG_RESULT(yes)
1524                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1525                 ], [
1526                         # No multicast support
1527                         AC_MSG_RESULT(no)
1528                 ])
1529         ])
1530         
1531         dnl **********************************
1532         dnl *** Check for getaddrinfo ***
1533         dnl **********************************
1534         AC_MSG_CHECKING(for getaddrinfo)
1535                 AC_TRY_LINK([
1536                 #include <stdio.h>
1537                 #include <netdb.h>
1538         ], [
1539                 getaddrinfo(NULL,NULL,NULL,NULL);
1540         ], [
1541                 # Yes, we have it...
1542                 AC_MSG_RESULT(yes)
1543                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1544         ], [
1545                 AC_MSG_RESULT(no)
1546         ])
1547
1548         dnl **********************************
1549         dnl *** Check for gethostbyname2_r ***
1550         dnl **********************************
1551         AC_MSG_CHECKING(for gethostbyname2_r)
1552                 AC_TRY_LINK([
1553                 #include <stdio.h>
1554                 #include <netdb.h>
1555         ], [
1556
1557                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1558         ], [
1559                 # Yes, we have it...
1560                 AC_MSG_RESULT(yes)
1561                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1562         ], [
1563                 AC_MSG_RESULT(no)
1564         ])
1565
1566         dnl **********************************
1567         dnl *** Check for gethostbyname2 ***
1568         dnl **********************************
1569         AC_MSG_CHECKING(for gethostbyname2)
1570                 AC_TRY_LINK([
1571                 #include <stdio.h>
1572                 #include <netdb.h>
1573         ], [
1574                 gethostbyname2(NULL,0);
1575         ], [
1576                 # Yes, we have it...
1577                 AC_MSG_RESULT(yes)
1578                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1579         ], [
1580                 AC_MSG_RESULT(no)
1581         ])
1582
1583         dnl **********************************
1584         dnl *** Check for gethostbyname ***
1585         dnl **********************************
1586         AC_MSG_CHECKING(for gethostbyname)
1587                 AC_TRY_LINK([
1588                 #include <stdio.h>
1589                 #include <netdb.h>
1590         ], [
1591                 gethostbyname(NULL);
1592         ], [
1593                 # Yes, we have it...
1594                 AC_MSG_RESULT(yes)
1595                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1596         ], [
1597                 AC_MSG_RESULT(no)
1598         ])
1599
1600         dnl **********************************
1601         dnl *** Check for getprotobyname ***
1602         dnl **********************************
1603         AC_MSG_CHECKING(for getprotobyname)
1604                 AC_TRY_LINK([
1605                 #include <stdio.h>
1606                 #include <netdb.h>
1607         ], [
1608                 getprotobyname(NULL);
1609         ], [
1610                 # Yes, we have it...
1611                 AC_MSG_RESULT(yes)
1612                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1613         ], [
1614                 AC_MSG_RESULT(no)
1615         ])
1616
1617         dnl **********************************
1618         dnl *** Check for getnameinfo ***
1619         dnl **********************************
1620         AC_MSG_CHECKING(for getnameinfo)
1621                 AC_TRY_LINK([
1622                 #include <stdio.h>
1623                 #include <netdb.h>
1624         ], [
1625                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1626         ], [
1627                 # Yes, we have it...
1628                 AC_MSG_RESULT(yes)
1629                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1630         ], [
1631                 AC_MSG_RESULT(no)
1632         ])
1633
1634
1635         dnl **********************************
1636         dnl *** Check for inet_ntop ***
1637         dnl **********************************
1638         AC_MSG_CHECKING(for inet_ntop)
1639                 AC_TRY_LINK([
1640                 #include <stdio.h>
1641                 #include <arpa/inet.h>
1642         ], [
1643                 inet_ntop (0, NULL, NULL, 0);
1644         ], [
1645                 # Yes, we have it...
1646                 AC_MSG_RESULT(yes)
1647                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1648         ], [
1649                 AC_MSG_RESULT(no)
1650         ])
1651
1652         dnl *****************************
1653         dnl *** Checks for libnsl     ***
1654         dnl *****************************
1655         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1656
1657         AC_CHECK_FUNCS(inet_pton inet_aton)
1658
1659         dnl *****************************
1660         dnl *** Checks for libxnet    ***
1661         dnl *****************************
1662         case "${host}" in
1663                 *solaris* )
1664                         AC_MSG_CHECKING(for Solaris XPG4 support)
1665                         if test -f /usr/lib/libxnet.so; then
1666                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1667                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1668                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1669                                 LIBS="$LIBS -lxnet"
1670                                 AC_MSG_RESULT(yes)
1671                         else
1672                                 AC_MSG_RESULT(no)
1673                         fi
1674
1675                         if test "$GCC" = "yes"; then
1676                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1677                         fi
1678                 ;;
1679         esac
1680
1681         dnl *****************************
1682         dnl *** Checks for libpthread ***
1683         dnl *****************************
1684 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1685 # and libpthread does not exist
1686 #
1687         case "${host}" in
1688                 *-*-*freebsd*)
1689                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1690                 ;;
1691                 *-*-*openbsd*)
1692                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1693                 ;;
1694                 *)
1695                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1696                 ;;
1697         esac
1698         AC_CHECK_HEADERS(pthread.h)
1699         AC_CHECK_HEADERS(pthread_np.h)
1700         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1701         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1702         AC_CHECK_FUNCS(pthread_kill)
1703         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1704         AC_TRY_COMPILE([ #include <pthread.h>], [
1705                 pthread_mutexattr_t attr;
1706                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1707         ], [
1708                 AC_MSG_RESULT(ok)
1709         ], [
1710                 AC_MSG_RESULT(no)
1711                 AC_ERROR(Posix system lacks support for recursive mutexes)
1712         ])
1713         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1714         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1715         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1716
1717         dnl **********************************
1718         dnl *** Check for mincore ***
1719         dnl **********************************
1720         AC_MSG_CHECKING(for mincore)
1721                 AC_TRY_LINK([
1722                 #include <stdio.h>
1723                 #include <sys/types.h>
1724                 #include <sys/mman.h>
1725         ], [
1726                 mincore(NULL, 0, NULL);
1727         ], [
1728                 # Yes, we have it...
1729                 AC_MSG_RESULT(yes)
1730                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1731         ], [
1732                 AC_MSG_RESULT(no)
1733         ])
1734
1735         dnl ***********************************
1736         dnl *** Checks for working __thread ***
1737         dnl ***********************************
1738         AC_MSG_CHECKING(for working __thread)
1739         if test "x$with_tls" != "x__thread"; then
1740                 AC_MSG_RESULT(disabled)
1741         elif test "x$cross_compiling" = "xyes"; then
1742                 AC_MSG_RESULT(cross compiling, assuming yes)
1743         else
1744                 AC_TRY_RUN([
1745                         #if defined(__APPLE__) && defined(__clang__)
1746                         #error "__thread does not currently work with clang on Mac OS X"
1747                         #endif
1748                         
1749                         #include <pthread.h>
1750                         __thread int i;
1751                         static int res1, res2;
1752
1753                         void thread_main (void *arg)
1754                         {
1755                                 i = arg;
1756                                 sleep (1);
1757                                 if (arg == 1)
1758                                         res1 = (i == arg);
1759                                 else
1760                                         res2 = (i == arg);
1761                         }
1762
1763                         int main () {
1764                                 pthread_t t1, t2;
1765
1766                                 i = 5;
1767
1768                                 pthread_create (&t1, NULL, thread_main, 1);
1769                                 pthread_create (&t2, NULL, thread_main, 2);
1770
1771                                 pthread_join (t1, NULL);
1772                                 pthread_join (t2, NULL);
1773
1774                                 return !(res1 + res2 == 2);
1775                         }
1776                 ], [
1777                                 AC_MSG_RESULT(yes)
1778                 ], [
1779                                 AC_MSG_RESULT(no)
1780                                 with_tls=pthread
1781                 ])
1782         fi
1783
1784         dnl **************************************
1785         dnl *** Checks for working sigaltstack ***
1786         dnl **************************************
1787         AC_MSG_CHECKING(for working sigaltstack)
1788         if test "x$with_sigaltstack" != "xyes"; then
1789                 AC_MSG_RESULT(disabled)
1790         elif test "x$cross_compiling" = "xyes"; then
1791                 AC_MSG_RESULT(cross compiling, assuming yes)
1792         else
1793                 AC_TRY_RUN([
1794                         #include <stdio.h>
1795                         #include <stdlib.h>
1796                         #include <unistd.h>
1797                         #include <signal.h>
1798                         #include <pthread.h>
1799                         #include <sys/wait.h>
1800                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1801                         #define SA_STACK SA_ONSTACK
1802                         #endif
1803                         static void
1804                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1805                         {
1806                                 exit (0);
1807                         }
1808
1809                         volatile char*__ptr = NULL;
1810                         static void *
1811                         loop (void *ignored)
1812                         {
1813                                 *__ptr = 0;
1814                                 return NULL;
1815                         }
1816
1817                         static void
1818                         child ()
1819                         {
1820                                 struct sigaction sa;
1821                         #ifdef __APPLE__
1822                                 stack_t sas;
1823                         #else
1824                                 struct sigaltstack sas;
1825                         #endif
1826                                 pthread_t id;
1827                                 pthread_attr_t attr;
1828
1829                                 sa.sa_sigaction = sigsegv_signal_handler;
1830                                 sigemptyset (&sa.sa_mask);
1831                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1832                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1833                                         perror ("sigaction");
1834                                         return;
1835                                 }
1836
1837                                 /* x86 darwin deliver segfaults using SIGBUS */
1838                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1839                                         perror ("sigaction");
1840                                         return;
1841                                 }
1842                                 sas.ss_sp = malloc (SIGSTKSZ);
1843                                 sas.ss_size = SIGSTKSZ;
1844                                 sas.ss_flags = 0;
1845                                 if (sigaltstack (&sas, NULL) == -1) {
1846                                         perror ("sigaltstack");
1847                                         return;
1848                                 }
1849
1850                                 pthread_attr_init (&attr);
1851                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1852                                         printf ("pthread_create\n");
1853                                         return;
1854                                 }
1855
1856                                 sleep (100);
1857                         }
1858
1859                         int
1860                         main ()
1861                         {
1862                                 pid_t son;
1863                                 int status;
1864                                 int i;
1865
1866                                 son = fork ();
1867                                 if (son == -1) {
1868                                         return 1;
1869                                 }
1870
1871                                 if (son == 0) {
1872                                         child ();
1873                                         return 0;
1874                                 }
1875
1876                                 for (i = 0; i < 300; ++i) {
1877                                         waitpid (son, &status, WNOHANG);
1878                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1879                                                 return 0;
1880                                         usleep (10000);
1881                                 }
1882
1883                                 kill (son, SIGKILL);
1884                                 return 1;
1885                         }
1886
1887                 ], [
1888                                 AC_MSG_RESULT(yes)
1889                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1890                 ], [
1891                                 with_sigaltstack=no
1892                                 AC_MSG_RESULT(no)
1893                 ])
1894         fi
1895
1896         dnl ********************************
1897         dnl *** Checks for semaphore lib ***
1898         dnl ********************************
1899         # 'Real Time' functions on Solaris
1900         # posix4 on Solaris 2.6
1901         # pthread (first!) on Linux
1902         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1903
1904         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1905         AC_CHECK_FUNCS(shm_open)
1906
1907         dnl ********************************
1908         dnl *** Checks for timezone stuff **
1909         dnl ********************************
1910         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1911                 AC_TRY_COMPILE([
1912                         #include <time.h>
1913                         ], [
1914                         struct tm tm;
1915                         tm.tm_gmtoff = 1;
1916                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1917         if test $ac_cv_struct_tm_gmtoff = yes; then
1918                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1919         else
1920                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1921                         AC_TRY_COMPILE([
1922                                 #include <time.h>
1923                         ], [
1924                                 timezone = 1;
1925                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1926                 if test $ac_cv_var_timezone = yes; then
1927                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1928                 else
1929                         AC_ERROR(unable to find a way to determine timezone)
1930                 fi
1931         fi
1932
1933         dnl *********************************
1934         dnl *** Checks for math functions ***
1935         dnl *********************************
1936         AC_SEARCH_LIBS(sqrtf, m)
1937         if test "x$has_broken_apple_cpp" != "xyes"; then
1938                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1939                         AC_TRY_LINK([#include <math.h>], 
1940                         [ finite(0.0); ], 
1941                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1942                         AC_MSG_RESULT(no)))
1943         fi
1944         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1945                 AC_TRY_LINK([#include <math.h>], 
1946                 [ isfinite(0.0); ], 
1947                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1948                 AC_MSG_RESULT(no)))
1949
1950         dnl ****************************************************************
1951         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1952         dnl *** have it in the library (duh))                            ***
1953         dnl ****************************************************************
1954         AC_CHECK_FUNCS(poll)
1955
1956         dnl *************************
1957         dnl *** Check for signbit ***
1958         dnl *************************
1959         AC_MSG_CHECKING(for signbit)
1960         AC_TRY_LINK([#include <math.h>], [
1961                 int s = signbit(1.0);
1962         ], [
1963                 AC_MSG_RESULT(yes)
1964                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1965         ], [
1966                 AC_MSG_RESULT(no)
1967         ]) 
1968
1969         dnl **********************************
1970         dnl *** epoll                      ***
1971         dnl **********************************
1972         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1973                 AC_CHECK_HEADERS(sys/epoll.h)
1974                 haveepoll=no
1975                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1976                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1977                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1978                 fi
1979         fi
1980
1981         havekqueue=no
1982
1983         AC_CHECK_HEADERS(sys/event.h)
1984         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1985
1986         dnl **************************************
1987         dnl * Darwin has a race that prevents us from using reliably:
1988         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1989         dnl * Since kqueue is mostly used for scaling large web servers, 
1990         dnl * and very few folks run Mono on large web servers on OSX, falling
1991         dnl * back 
1992         dnl **************************************
1993         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1994                 if test "x$platform_darwin" = "xno"; then
1995                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1996                 fi
1997         fi
1998
1999         dnl ******************************
2000         dnl *** Checks for SIOCGIFCONF ***
2001         dnl ******************************
2002         AC_CHECK_HEADERS(sys/ioctl.h)
2003         AC_CHECK_HEADERS(net/if.h, [], [],
2004            [
2005            #ifdef HAVE_SYS_TYPES_H
2006            # include <sys/types.h>
2007            #endif
2008            #ifdef HAVE_SYS_SOCKET_H
2009            # include <sys/socket.h>
2010            #endif
2011            ])
2012         AC_MSG_CHECKING(for ifreq)
2013         AC_TRY_COMPILE([
2014                 #include <stdio.h>
2015                 #include <sys/ioctl.h>
2016                 #include <net/if.h>
2017                 ], [
2018                 struct ifconf ifc;
2019                 struct ifreq *ifr;
2020                 void *x;
2021                 ifc.ifc_len = 0;
2022                 ifc.ifc_buf = NULL;
2023                 x = (void *) &ifr->ifr_addr;
2024                 ],[
2025                         AC_MSG_RESULT(yes)
2026                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2027                 ], [
2028                         AC_MSG_RESULT(no)
2029                 ])
2030         dnl **********************************
2031         dnl ***     Checks for sin_len     ***
2032         dnl **********************************
2033         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2034         AC_TRY_COMPILE([
2035                 #include <netinet/in.h>
2036                 ], [
2037                 struct sockaddr_in saddr;
2038                 saddr.sin_len = sizeof (saddr);
2039                 ],[
2040                         AC_MSG_RESULT(yes)
2041                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2042                 ], [
2043                         AC_MSG_RESULT(no)
2044                 ])      
2045         dnl **********************************
2046         dnl ***    Checks for sin6_len     ***
2047         dnl **********************************
2048         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2049         AC_TRY_COMPILE([
2050                 #include <netinet/in.h>
2051                 ], [
2052                 struct sockaddr_in6 saddr6;
2053                 saddr6.sin6_len = sizeof (saddr6);
2054                 ],[
2055                         AC_MSG_RESULT(yes)
2056                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2057                 ], [
2058                         AC_MSG_RESULT(no)
2059                 ])
2060         dnl **********************************
2061         dnl *** Check for getifaddrs       ***
2062         dnl **********************************
2063         AC_MSG_CHECKING(for getifaddrs)
2064                 AC_TRY_LINK([
2065                 #include <stdio.h>
2066                 #include <sys/types.h>
2067                 #include <sys/socket.h>
2068                 #include <ifaddrs.h>
2069         ], [
2070                 getifaddrs(NULL);
2071         ], [
2072                 # Yes, we have it...
2073                 AC_MSG_RESULT(yes)
2074                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2075         ], [
2076                 AC_MSG_RESULT(no)
2077         ])
2078         dnl **********************************
2079         dnl *** Check for if_nametoindex   ***
2080         dnl **********************************
2081         AC_MSG_CHECKING(for if_nametoindex)
2082                 AC_TRY_LINK([
2083                 #include <stdio.h>
2084                 #include <sys/types.h>
2085                 #include <sys/socket.h>
2086                 #include <net/if.h>
2087         ], [
2088                 if_nametoindex(NULL);
2089         ], [
2090                 # Yes, we have it...
2091                 AC_MSG_RESULT(yes)
2092                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2093         ], [
2094                 AC_MSG_RESULT(no)
2095         ])
2096                         
2097         dnl **********************************
2098         dnl *** Checks for MonoPosixHelper ***
2099         dnl **********************************
2100         AC_CHECK_HEADERS(checklist.h)
2101         AC_CHECK_HEADERS(pathconf.h)
2102         AC_CHECK_HEADERS(fstab.h)
2103         AC_CHECK_HEADERS(attr/xattr.h)
2104         AC_CHECK_HEADERS(sys/extattr.h)
2105         AC_CHECK_HEADERS(sys/sendfile.h)
2106         AC_CHECK_HEADERS(sys/statvfs.h)
2107         AC_CHECK_HEADERS(sys/statfs.h)
2108         AC_CHECK_HEADERS(sys/vfstab.h)
2109         AC_CHECK_HEADERS(sys/xattr.h)
2110         AC_CHECK_HEADERS(sys/mman.h)
2111         AC_CHECK_HEADERS(sys/param.h)
2112         AC_CHECK_HEADERS(sys/mount.h, [], [],
2113                 [
2114                 #ifdef HAVE_SYS_PARAM_H
2115                 # include <sys/param.h>
2116                 #endif
2117                 ])
2118         AC_CHECK_HEADERS(sys/mount.h)
2119         AC_CHECK_FUNCS(confstr)
2120         AC_CHECK_FUNCS(seekdir telldir)
2121         AC_CHECK_FUNCS(getdomainname)
2122         AC_CHECK_FUNCS(setdomainname)
2123         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2124         AC_CHECK_FUNCS(setgroups)
2125         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2126         AC_CHECK_FUNCS(getfsstat)
2127         AC_CHECK_FUNCS(lutimes futimes)
2128         AC_CHECK_FUNCS(mremap)
2129         AC_CHECK_FUNCS(remap_file_pages)
2130         AC_CHECK_FUNCS(posix_fadvise)
2131         AC_CHECK_FUNCS(posix_fallocate)
2132         AC_CHECK_FUNCS(posix_madvise)
2133         AC_CHECK_FUNCS(vsnprintf)
2134         AC_CHECK_FUNCS(sendfile)
2135         AC_CHECK_FUNCS(gethostid sethostid)
2136         AC_CHECK_FUNCS(sethostname)
2137         AC_CHECK_FUNCS(statfs)
2138         AC_CHECK_FUNCS(fstatfs)
2139         AC_CHECK_FUNCS(statvfs)
2140         AC_CHECK_FUNCS(fstatvfs)
2141         AC_CHECK_FUNCS(stime)
2142         AC_CHECK_FUNCS(strerror_r)
2143         AC_CHECK_FUNCS(ttyname_r)
2144         AC_CHECK_FUNCS(psignal)
2145         AC_CHECK_FUNCS(getlogin_r)
2146         AC_CHECK_FUNCS(lockf)
2147         AC_CHECK_FUNCS(swab)
2148         AC_CHECK_FUNCS(setusershell endusershell)
2149         AC_CHECK_FUNCS(futimens utimensat)
2150         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2151         AC_CHECK_FUNCS(readv writev preadv pwritev)
2152         AC_CHECK_FUNCS(setpgid)
2153         AC_CHECK_SIZEOF(size_t)
2154         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2155                 [#include <sys/types.h>
2156                  #include <sys/stat.h>
2157                  #include <unistd.h>])
2158         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2159                 [#include <sys/types.h>
2160                  #include <sys/stat.h>
2161                  #include <unistd.h>])
2162         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2163                 [#include <sys/time.h>])
2164         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2165                 [#include <unistd.h>
2166                  #include <fcntl.h>])
2167         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2168                 [#include <sys/uio.h>])
2169         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2170                 [#include <sys/poll.h>])
2171         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2172                 [#include <sys/types.h>
2173                  #include <sys/stat.h>
2174                  #include <unistd.h>])
2175         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2176                 [#include <time.h>])
2177         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2178                 [#include <sys/time.h>
2179                  #include <sys/types.h>
2180                  #include <utime.h>])
2181         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2182                 [#include <sys/time.h>])
2183         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2184                 [#include <sys/types.h>
2185                  #include <utime.h>])
2186         AC_CHECK_MEMBERS(
2187                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2188                 [#include <sys/types.h>
2189                  #include <dirent.h>])
2190         AC_CHECK_MEMBERS(
2191                 [struct passwd.pw_gecos],,, 
2192                 [#include <sys/types.h>
2193                  #include <pwd.h>])
2194         AC_CHECK_MEMBERS(
2195                 [struct statfs.f_flags],,, 
2196                 [#include <sys/types.h>
2197                  #include <sys/vfs.h>])
2198         AC_CHECK_MEMBERS(
2199                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2200                 [#include <sys/types.h>
2201                  #include <sys/stat.h>
2202                  #include <unistd.h>])
2203
2204         dnl Favour xattr through glibc, but use libattr if we have to
2205         AC_CHECK_FUNC(lsetxattr, ,
2206                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2207         )
2208         AC_SUBST(XATTR_LIB)
2209
2210         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2211         AC_CHECK_MEMBERS(
2212                 [struct kinfo_proc.kp_proc],,, 
2213                 [#include <sys/types.h>
2214                  #include <sys/param.h>
2215                  #include <sys/sysctl.h>
2216                  #include <sys/proc.h>
2217                  ])
2218
2219         dnl *********************************
2220         dnl *** Checks for Windows compilation ***
2221         dnl *********************************
2222         AC_CHECK_HEADERS(sys/time.h)
2223         AC_CHECK_HEADERS(sys/param.h)
2224         AC_CHECK_HEADERS(dirent.h)
2225
2226         dnl ******************************************
2227         dnl *** Checks for OSX and iOS compilation ***
2228         dnl ******************************************
2229         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2230
2231         dnl *********************************
2232         dnl *** Check for Console 2.0 I/O ***
2233         dnl *********************************
2234         AC_CHECK_HEADERS([curses.h])
2235         AC_CHECK_HEADERS([term.h], [], [],
2236         [#if HAVE_CURSES_H
2237          #include <curses.h>
2238          #endif
2239         ])
2240         AC_CHECK_HEADERS([termios.h])
2241
2242         dnl * This is provided in io-layer, but on windows it's only available
2243         dnl * on xp+
2244         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2245 else
2246         dnl *********************************
2247         dnl *** Checks for Windows compilation ***
2248         dnl *********************************
2249         AC_CHECK_HEADERS(winternl.h)
2250
2251         jdk_headers_found=no
2252         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2253         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2254         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2255         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2256         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2257         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2258         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2259
2260         dnl *********************************
2261         dnl *** Check for struct ip_mreqn ***
2262         dnl *********************************
2263         AC_MSG_CHECKING(for struct ip_mreqn)
2264         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2265                 struct ip_mreqn mreq;
2266                 mreq.imr_address.s_addr = 0;
2267         ], [
2268                 # Yes, we have it...
2269                 AC_MSG_RESULT(yes)
2270                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2271         ], [
2272                 # We'll just have to try and use struct ip_mreq
2273                 AC_MSG_RESULT(no)
2274                 AC_MSG_CHECKING(for struct ip_mreq)
2275                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2276                         struct ip_mreq mreq;
2277                         mreq.imr_interface.s_addr = 0;
2278                 ], [
2279                         # Yes, we have it...
2280                         AC_MSG_RESULT(yes)
2281                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2282                 ], [
2283                         # No multicast support
2284                         AC_MSG_RESULT(no)
2285                 ])
2286         ])
2287
2288         dnl **********************************
2289         dnl *** Check for getaddrinfo ***
2290         dnl **********************************
2291         AC_MSG_CHECKING(for getaddrinfo)
2292                 AC_TRY_LINK([
2293                 #include <stdio.h>
2294                 #include <winsock2.h>
2295                 #include <ws2tcpip.h>
2296         ], [
2297                 getaddrinfo(NULL,NULL,NULL,NULL);
2298         ], [
2299                 # Yes, we have it...
2300                 AC_MSG_RESULT(yes)
2301                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2302         ], [
2303                 AC_MSG_RESULT(no)
2304         ])
2305
2306         dnl **********************************
2307         dnl *** Check for gethostbyname ***
2308         dnl **********************************
2309         AC_MSG_CHECKING(for gethostbyname)
2310                 AC_TRY_LINK([
2311                 #include <stdio.h>
2312                 #include <winsock2.h>
2313                 #include <ws2tcpip.h>
2314         ], [
2315                 gethostbyname(NULL);
2316         ], [
2317                 # Yes, we have it...
2318                 AC_MSG_RESULT(yes)
2319                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2320         ], [
2321                 AC_MSG_RESULT(no)
2322         ])
2323
2324         dnl **********************************
2325         dnl *** Check for getprotobyname ***
2326         dnl **********************************
2327         AC_MSG_CHECKING(for getprotobyname)
2328                 AC_TRY_LINK([
2329                 #include <stdio.h>
2330                 #include <winsock2.h>
2331                 #include <ws2tcpip.h>
2332         ], [
2333                 getprotobyname(NULL);
2334         ], [
2335                 # Yes, we have it...
2336                 AC_MSG_RESULT(yes)
2337                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2338         ], [
2339                 AC_MSG_RESULT(no)
2340         ])
2341
2342         dnl **********************************
2343         dnl *** Check for getnameinfo ***
2344         dnl **********************************
2345         AC_MSG_CHECKING(for getnameinfo)
2346                 AC_TRY_LINK([
2347                 #include <stdio.h>
2348                 #include <winsock2.h>
2349                 #include <ws2tcpip.h>
2350         ], [
2351                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2352         ], [
2353                 # Yes, we have it...
2354                 AC_MSG_RESULT(yes)
2355                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2356         ], [
2357                 AC_MSG_RESULT(no)
2358         ])
2359
2360         dnl **********************************
2361         dnl *** Check for inet_ntop ***
2362         dnl **********************************
2363         AC_MSG_CHECKING(for inet_ntop)
2364                 AC_TRY_LINK([
2365                 #include <stdio.h>
2366                 #include <winsock2.h>
2367                 #include <ws2tcpip.h>
2368         ], [
2369                 inet_ntop (0, NULL, NULL, 0);
2370         ], [
2371                 # Yes, we have it...
2372                 AC_MSG_RESULT(yes)
2373                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2374         ], [
2375                 AC_MSG_RESULT(no)
2376         ])
2377
2378         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2379         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2380         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2381         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2382         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2383         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2384         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2385
2386         AC_MSG_CHECKING(for GetProcessId)
2387         AC_TRY_COMPILE([#include <windows.h>], [
2388                 GetProcessId (0);
2389         ], [
2390            AC_MSG_RESULT(yes)
2391            AC_DEFINE(HAVE_GETPROCESSID)
2392         ], [
2393            AC_MSG_RESULT(no)
2394         ])
2395 fi
2396
2397 dnl socklen_t check
2398 AC_MSG_CHECKING(for socklen_t)
2399 AC_TRY_COMPILE([
2400 #include <sys/types.h>
2401 #include <sys/socket.h>
2402 ],[
2403   socklen_t foo;
2404 ],[
2405 ac_cv_c_socklen_t=yes
2406         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2407         AC_MSG_RESULT(yes)
2408 ],[
2409         AC_MSG_RESULT(no)
2410 ])
2411
2412 AC_MSG_CHECKING(for array element initializer support)
2413 AC_TRY_COMPILE([#include <sys/socket.h>], [
2414         const int array[] = {[1] = 2,};
2415 ], [
2416         # Yes, we have it...
2417         AC_MSG_RESULT(yes)
2418         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2419 ], [
2420         # We'll have to use signals
2421         AC_MSG_RESULT(no)
2422 ])
2423
2424 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2425         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2426         AC_TRY_LINK([#include <math.h>], 
2427         [ static void *p = &trunc; ],
2428         [
2429                 AC_DEFINE(HAVE_TRUNC) 
2430                 AC_MSG_RESULT(yes)
2431                 ac_cv_trunc=yes
2432         ],
2433         AC_MSG_RESULT(no)))
2434
2435 if test "x$ac_cv_truncl" != "xyes"; then
2436    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2437 fi
2438
2439 AC_CHECK_FUNCS(round)
2440 AC_CHECK_FUNCS(rint)
2441 AC_CHECK_FUNCS(execvp)
2442
2443 dnl ****************************
2444 dnl *** Look for /dev/random ***
2445 dnl ****************************
2446
2447 AC_MSG_CHECKING([if usage of random device is requested])
2448 AC_ARG_ENABLE(dev-random,
2449 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2450 try_dev_random=$enableval, try_dev_random=yes)
2451
2452 AC_MSG_RESULT($try_dev_random)
2453
2454 case "{$build}" in
2455     *-openbsd*)
2456     NAME_DEV_RANDOM="/dev/srandom"
2457     ;;
2458
2459 dnl Win32 does not have /dev/random, they have their own method...
2460
2461     *-mingw*|*-*-cygwin*)
2462     ac_cv_have_dev_random=no
2463     ;;
2464
2465 dnl Everywhere else, it's /dev/random
2466
2467     *)
2468     NAME_DEV_RANDOM="/dev/random"
2469     ;;
2470 esac
2471
2472 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2473
2474 dnl Now check if the device actually exists
2475
2476 if test "x$try_dev_random" = "xyes"; then
2477     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2478     [if test -r "$NAME_DEV_RANDOM" ; then
2479         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2480     if test "x$ac_cv_have_dev_random" = "xyes"; then
2481         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2482     fi
2483 else
2484     AC_MSG_CHECKING(for random device)
2485     ac_cv_have_dev_random=no
2486     AC_MSG_RESULT(has been disabled)
2487 fi
2488
2489 if test "x$host_win32" = "xyes"; then
2490     AC_DEFINE(HAVE_CRYPT_RNG)
2491 fi
2492
2493 if test "x$ac_cv_have_dev_random" = "xno" \
2494     && test "x$host_win32" = "xno"; then
2495     AC_MSG_WARN([[
2496 ***
2497 *** A system-provided entropy source was not found on this system.
2498 *** Because of this, the System.Security.Cryptography random number generator
2499 *** will throw a NotImplemented exception.
2500 ***
2501 *** If you are seeing this message, and you know your system DOES have an
2502 *** entropy collection in place, please contact <crichton@gimp.org> and
2503 *** provide information about the system and how to access the random device.
2504 ***
2505 *** Otherwise you can install either egd or prngd and set the environment
2506 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2507 ***]])
2508 fi
2509  
2510 AC_MSG_CHECKING([if inter-process shared handles are requested])
2511 # Same as --enable-minimal=shared_handles
2512 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2513 AC_MSG_RESULT($try_shared_handles)
2514 if test "x$try_shared_handles" != "xyes"; then
2515         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2516         AC_SUBST(DISABLE_SHARED_HANDLES)
2517 fi
2518
2519 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2520
2521 AC_ARG_ENABLE(perf-events, [  --enable-perf-events Enable using `perf` for profiling on Linux], test_perf_events=$enableval, test_perf_events=no)
2522 if test "x$test_perf_events" == "xyes"; then
2523         AC_DEFINE(ENABLE_PERF_EVENTS, 1, [Enable using `perf` for profiling on Linux])
2524         AC_SUBST(ENABLE_PERF_EVENTS)
2525 fi
2526
2527 AC_MSG_CHECKING([if big-arrays are to be enabled])
2528 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2529 if test "x$enable_big_arrays" = "xyes" ; then
2530     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2531         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2532     else
2533         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2534     fi
2535 fi
2536 AC_MSG_RESULT($enable_big_arrays)
2537
2538 dnl **************
2539 dnl *** DTRACE ***
2540 dnl **************
2541
2542 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2543
2544 if test "x$enable_dtrace" = "xyes"; then
2545    if test "x$has_dtrace" = "xno"; then
2546           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2547    fi
2548    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2549    if test "x$DTRACE" = "xno"; then
2550           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2551           enable_dtrace=no
2552    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2553           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2554           enable_dtrace=no
2555    fi
2556 fi
2557
2558 dtrace_g=no
2559 if test "x$enable_dtrace" = "xyes"; then
2560         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2561         DTRACEFLAGS=
2562         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2563                 case "$host" in
2564                         powerpc-*-darwin*)
2565                         DTRACEFLAGS="-arch ppc64"
2566                         ;;
2567                         i*86-*-darwin*)
2568                         DTRACEFLAGS="-arch x86_64"
2569                         ;;
2570                         *)
2571                         DTRACEFLAGS=-64
2572                         ;;
2573                 esac
2574         else
2575                 case "$host" in
2576                         powerpc-*-darwin*)
2577                         DTRACEFLAGS="-arch ppc"
2578                         ;;
2579                         i*86-*-darwin*)
2580                         DTRACEFLAGS="-arch i386"
2581                         ;;
2582                         *)
2583                         DTRACEFLAGS=-32
2584                         ;;
2585                 esac
2586         fi
2587         AC_SUBST(DTRACEFLAGS)
2588         case "$host" in
2589                 *-*-solaris*)
2590                 dtrace_g=yes
2591                 ;;
2592         esac
2593         AC_CHECK_HEADERS([sys/sdt.h])
2594 fi
2595 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2596 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2597
2598 dnl **************
2599 dnl ***  NaCl  ***
2600 dnl **************
2601
2602 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2603 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2604
2605 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2606
2607 dnl
2608 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2609 dnl
2610 nacl_self_host=""
2611 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2612    nacl_self_host="nacl_self_host"
2613 fi
2614 AC_SUBST(nacl_self_host)
2615
2616 if test "x$enable_nacl_codegen" = "xyes"; then
2617    MONO_NACL_ALIGN_MASK_OFF=1
2618    AC_DEFINE(TARGET_NACL, 1, [...])
2619    AC_DEFINE(__native_client_codegen__, 1, [...])
2620 else
2621    MONO_NACL_ALIGN_MASK_OFF=0
2622    AC_DEFINE(__default_codegen__, 1, [...])
2623 fi
2624 if test "x$enable_nacl_gc" = "xyes"; then
2625    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2626       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2627    else
2628       # Not yet implemented
2629       INSTRUMENT_CFLAG=""
2630    fi
2631    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2632 fi
2633 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2634
2635 dnl **************
2636 dnl ***  LLVM  ***
2637 dnl **************
2638
2639 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2640 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2641 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2642
2643 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2644
2645 if test "x$enable_llvm" = "xyes"; then
2646    if test "x$with_llvm" != "x"; then
2647           LLVM_CONFIG=$with_llvm/bin/llvm-config
2648           if test x$target_win32 = xyes; then
2649                 LLVM_CONFIG=$LLVM_CONFIG.exe
2650           fi
2651           if test ! -x $LLVM_CONFIG; then
2652                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2653       fi
2654    else
2655       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2656       if test "x$LLVM_CONFIG" = "xno"; then
2657              AC_MSG_ERROR([llvm-config not found.])
2658       fi
2659    fi
2660
2661    llvm_codegen="x86codegen"
2662    case "$target" in
2663    arm*)
2664                 llvm_codegen="armcodegen"
2665                 ;;
2666    esac
2667
2668    if test "x$target_win32" = "xno"; then
2669
2670    # The output of --cflags seems to include optimizations flags too
2671    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2672    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2673    # from LLVM classes.
2674    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2675    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2676    # This might include empty lines
2677    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2678    if test "x$host" != "x$target"; then
2679       # No need for jit libs
2680       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2681    else
2682       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2683    fi
2684    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS -lstdc++"
2685
2686    expected_llvm_version="3.4svn-mono-mono/e656cac"
2687
2688    # Should be something like '2.6' or '2.7svn'
2689    llvm_version=`$LLVM_CONFIG --version`
2690    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2691    AC_MSG_CHECKING(LLVM version)
2692    AC_MSG_RESULT($llvm_version)
2693    if echo $llvm_version | grep -q 'mono'; then
2694           if test "x$enable_llvm_version_check" == "xyes"; then
2695                  if test "$llvm_version" != "$expected_llvm_version"; then
2696                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2697                  fi
2698           fi
2699    else
2700           AC_MSG_ERROR([Compiling with stock LLVM is not supported, please use the Mono LLVM repo at https://github.com/mono/llvm, with the GIT branch which matches this version of mono, i.e. 'mono-2-10' for Mono 2.10.])
2701    fi
2702
2703    else
2704        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2705        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-exceptions -fno-rtti -Woverloaded-virtual -Wcast-qual"
2706        LLVM_LDFLAGS="-L$with_llvm/lib"
2707        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2708        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2709          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2710          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2711          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2712          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2713          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2714          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2715          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2716          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2717          -lLLVMSupport -lstdc++"
2718        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2719
2720        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2721        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2722    fi  
2723
2724    if test "x$llvm_api_version" = "x"; then
2725           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2726           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2727    else
2728           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2729           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2730    fi   
2731
2732    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2733
2734    AC_SUBST(LLVM_CFLAGS)
2735    AC_SUBST(LLVM_CXXFLAGS)
2736    AC_SUBST(LLVM_LIBS)
2737    AC_SUBST(LLVM_LDFLAGS)
2738    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2739 fi
2740
2741 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2742 if test "x$enable_loadedllvm" = "xyes"; then
2743    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2744 fi
2745 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2746
2747 TARGET="unknown"
2748 ACCESS_UNALIGNED="yes"
2749
2750 LIBC="libc.so.6"
2751 INTL="libc.so.6"
2752 SQLITE="libsqlite.so.0"
2753 SQLITE3="libsqlite3.so.0"
2754 X11="libX11.so"
2755 GDKX11="libgdk-x11-2.0.so.0"
2756 GTKX11="libgtk-x11-2.0.so.0"
2757 XINERAMA="libXinerama.so.1"
2758
2759 sizeof_register="SIZEOF_VOID_P"
2760
2761 jit_wanted=true
2762 sgen_supported=false
2763 boehm_supported=true
2764 case "$host" in
2765         mips*)
2766                 TARGET=MIPS;
2767                 arch_target=mips;
2768                 sgen_supported=true
2769                 ACCESS_UNALIGNED="no"
2770
2771                 AC_MSG_CHECKING(for mips n32)
2772                 AC_TRY_COMPILE([],[
2773                 #if _MIPS_SIM != _ABIN32
2774                 #error Not mips n32
2775                 #endif
2776                 return 0;
2777                 ],[
2778                 AC_MSG_RESULT(yes)
2779                 sizeof_register=8
2780                 ],[
2781                 AC_MSG_RESULT(no)
2782                 ])
2783                 ;;
2784         i*86-*-*)
2785                 TARGET=X86;
2786                 arch_target=x86;
2787                 case $host_os in
2788                   solaris*)
2789                         LIBC="libc.so"
2790                         INTL="libintl.so"
2791                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2792                                 TARGET=AMD64
2793                                 arch_target=amd64
2794                         fi
2795
2796                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2797                         # int astruct __attribute__ ((visibility ("hidden")));
2798                         # void foo ()
2799                         # {
2800                         #       void *p = &astruct;
2801                         # }
2802                         # gcc -fPIC --shared -o libfoo.so foo.c
2803                         # yields:
2804                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2805                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2806                         have_visibility_hidden=no
2807                         sgen_supported=true
2808                         ;;
2809                   mingw*|cygwin*)
2810                         sgen_supported=true
2811                         have_visibility_hidden=no                 
2812                         ;;
2813                   haiku*)
2814                         LIBC=libroot.so
2815                         ;;
2816                   linux*)
2817                         sgen_supported=true
2818                         AOT_SUPPORTED="yes"
2819                         ;;
2820                   darwin*)
2821                         sgen_supported=true
2822                         AOT_SUPPORTED="yes"
2823                         ;;
2824                   openbsd*|freebsd*|kfreebsd-gnu*)
2825                         sgen_supported=true
2826                         ;;
2827                 esac
2828                 ;;
2829         x86_64-*-* | amd64-*-*)
2830                 TARGET=AMD64;
2831                 arch_target=amd64;
2832                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2833                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2834                         sizeof_register=8
2835                 fi
2836                 case $host_os in
2837                   linux*)
2838                         sgen_supported=true
2839                         AOT_SUPPORTED="yes"
2840                         ;;
2841                   darwin*)
2842                         sgen_supported=true
2843                         AOT_SUPPORTED="yes"
2844                         ;;
2845                   openbsd*|freebsd*|kfreebsd-gnu*)
2846                         sgen_supported=true
2847                         ;;
2848                   mingw*)
2849                         sgen_supported=true
2850                         ;;
2851                 esac
2852                 case "$host" in
2853                         x86_64-*-nacl*)
2854                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2855                                 sizeof_register=8
2856                                 ;;
2857                 esac
2858                 ;;
2859         ia64-*-*)
2860                 TARGET=IA64
2861                 arch_target=ia64
2862                 ACCESS_UNALIGNED="no"
2863                 LIBC="libc.so.6.1"
2864                 INTL="libc.so.6.1"
2865                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2866                 libmono_ldflags="-lunwind"
2867                 ;;
2868         sparc*-*-*)
2869                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2870                    TARGET=SPARC64
2871                 else
2872                         TARGET=SPARC
2873                 fi
2874                 arch_target=sparc;
2875                 ACCESS_UNALIGNED="no"
2876                 case $host_os in
2877                   linux*) ;;
2878                   *)
2879                         LIBC="libc.so"
2880                         INTL="libintl.so"
2881                 esac
2882                 if test x"$GCC" = xyes; then
2883                         # We don't support v8 cpus
2884                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2885                 fi
2886                 if test x"$AR" = xfalse; then
2887                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2888                 fi
2889                 sgen_supported=true
2890                 ;;
2891         *-mingw*|*-*-cygwin*)
2892                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2893                 have_visibility_hidden=no
2894                 INTL="intl"
2895                 ;;
2896         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2897         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2898                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2899                         TARGET=POWERPC64;
2900                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2901                         CFLAGS="$CFLAGS -mminimal-toc"
2902                 else
2903                         TARGET=POWERPC;
2904                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2905                 fi
2906                 arch_target=ppc;
2907                 case $host_os in
2908                   linux*|darwin*)
2909                         sgen_supported=true
2910                         ;;
2911                 esac
2912                 ;;
2913         arm*-darwin*)
2914                 TARGET=ARM;
2915                 arch_target=arm;
2916                 ACCESS_UNALIGNED="no"
2917                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2918                 sgen_supported=true
2919                 ;;
2920         arm*-linux*)
2921                 TARGET=ARM;
2922                 arch_target=arm;
2923                 ACCESS_UNALIGNED="no"
2924                 sgen_supported=true
2925                 AOT_SUPPORTED="yes"
2926                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2927                 ;;
2928 # TODO: make proper support for NaCl host.
2929 #        arm*-*nacl)
2930 #               TARGET=ARM;
2931 #               arch_target=arm;
2932 #               ACCESS_UNALIGNED="no"
2933 #               sgen_supported=true
2934 #               AOT_SUPPORTED="no"
2935 #               ;;
2936         aarch64-*)
2937                 # https://lkml.org/lkml/2012/7/15/133
2938                 TARGET=ARM64
2939                 arch_target=arm64
2940                 sgen_supported=true
2941                 boehm_supported=false
2942                 ;;
2943         s390x-*-linux*)
2944                 TARGET=S390X;
2945                 arch_target=s390x;
2946                 ACCESS_UNALIGNED="yes"
2947                 sgen_supported=true
2948                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2949                 ;;
2950 esac
2951
2952 HOST=$TARGET
2953
2954 if test "x$host" != "x$target"; then
2955    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2956    enable_mcs_build=no
2957    case "$target" in
2958    arm*-darwin*)
2959                 TARGET=ARM;
2960                 arch_target=arm;
2961                 ACCESS_UNALIGNED="no"
2962                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2963                 # Can't use tls, since it depends on the runtime detection of tls offsets
2964                 # in mono-compiler.h
2965                 with_tls=pthread
2966                 ;;
2967    powerpc64-ps3-linux-gnu)
2968                 TARGET=POWERPC64
2969                 arch_target=powerpc64
2970                 AC_DEFINE(TARGET_PS3, 1, [...])
2971                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2972                 # uses this define
2973                 AC_DEFINE(__mono_ppc64__, 1, [...])
2974                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2975                 sizeof_register=8
2976                 target_byte_order=G_BIG_ENDIAN
2977                 ;;
2978    powerpc64-xbox360-linux-gnu)
2979                 TARGET=POWERPC64
2980                 arch_target=powerpc64
2981                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2982                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2983                 # uses this define
2984                 sizeof_register=8
2985                 target_byte_order=G_BIG_ENDIAN
2986                 ;;
2987    x86_64-*-nacl)
2988                 TARGET=AMD64
2989                 arch_target=amd64
2990                 AC_DEFINE(TARGET_AMD64, 1, [...])
2991                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2992                 sizeof_register=8
2993                 ;;
2994 # TODO: make proper support for NaCl target.
2995 #   arm*-*nacl)
2996 #               TARGET=ARM
2997 #               arch_target=arm
2998 #               AC_DEFINE(TARGET_ARM, 1, [...])
2999 #               ACCESS_UNALIGNED="no"
3000 #               sizeof_register=4
3001 #               CPPFLAGS="$CPPFLAGS \
3002 #                    -D__ARM_EABI__ \
3003 #                    -D__arm__ \
3004 #                    -D__portable_native_client__ \
3005 #                    -Dtimezone=_timezone \
3006 #                    -DDISABLE_SOCKETS \
3007 #                    -DDISABLE_ATTACH \
3008 #                    -DUSE_NEWLIB"
3009                 # Can't use tls, since it depends on the runtime detection of tls offsets
3010                 # in mono-compiler.h
3011 #               with_tls=pthread
3012 #               ;;
3013    i686-*-nacl)
3014                 TARGET=X86
3015                 arch_target=x86
3016                 AC_DEFINE(TARGET_X86, 1, [...])
3017                 sizeof_register=4
3018                 ;;
3019    arm*-linux-*)
3020                 TARGET=ARM;
3021                 arch_target=arm;
3022                 AC_DEFINE(TARGET_ARM, 1, [...])
3023                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3024                 ACCESS_UNALIGNED="no"
3025                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3026                 # Can't use tls, since it depends on the runtime detection of tls offsets
3027                 # in mono-compiler.h
3028                 with_tls=pthread
3029                 target_mach=no
3030                 case "$target" in
3031                 armv7l-unknown-linux-gnueabi*)
3032                         # TEGRA
3033                         CPPFLAGS="$CPPFLAGS"
3034                         ;;
3035                 armv5-*-linux-androideabi*)
3036                         CPPFLAGS="$CPPFLAGS"
3037                         ;;
3038                 esac
3039                 ;;
3040    i686*-linux-*)
3041                 TARGET=X86;
3042                 arch_target=x86;
3043                 AC_DEFINE(TARGET_X86, 1, [...])
3044                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3045                 CPPFLAGS="$CPPFLAGS"
3046                 sgen_supported=true
3047                 # Can't use tls, since it depends on the runtime detection of tls offsets
3048                 # in mono-compiler.h            
3049                 with_tls=pthread
3050                 target_mach=no
3051                 ;;
3052    x86_64*-linux-*)
3053                 TARGET=AMD64;
3054                 arch_target=amd64;
3055                 AC_DEFINE(TARGET_AMD64, 1, [...])
3056                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3057                 CPPFLAGS="$CPPFLAGS"
3058                 sgen_supported=true
3059                 # Can't use tls, since it depends on the runtime detection of tls offsets
3060                 # in mono-compiler.h
3061                 with_tls=pthread
3062                 target_mach=no
3063                 ;;
3064    aarch64*-linux-*)
3065                 TARGET=ARM64;
3066                 arch_target=arm64;
3067                 AC_DEFINE(TARGET_ARM64, 1, [...])
3068                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3069                 CPPFLAGS="$CPPFLAGS"
3070                 # Can't use tls, since it depends on the runtime detection of tls offsets
3071                 # in mono-compiler.h
3072                 with_tls=pthread
3073                 target_mach=no
3074                 ;;
3075         aarch64-*)
3076                 TARGET=ARM64
3077                 ;;
3078         *)
3079                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3080         esac
3081 fi
3082
3083 case "$TARGET" in
3084 X86)
3085         AC_DEFINE(TARGET_X86, 1, [...])
3086         ;;
3087 AMD64)
3088         AC_DEFINE(TARGET_AMD64, 1, [...])
3089         ;;
3090 ARM)
3091         AC_DEFINE(TARGET_ARM, 1, [...])
3092         ;;
3093 ARM64)
3094         AC_DEFINE(TARGET_ARM64, 1, [...])
3095         ;;
3096 POWERPC)
3097         AC_DEFINE(TARGET_POWERPC, 1, [...])
3098         ;;
3099 POWERPC64)
3100         AC_DEFINE(TARGET_POWERPC, 1, [...])
3101         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3102         ;;
3103 S390X)
3104         AC_DEFINE(TARGET_S390X, 1, [...])
3105         ;;
3106 MIPS)
3107         AC_DEFINE(TARGET_MIPS, 1, [...])
3108         ;;
3109 IA64)
3110         AC_DEFINE(TARGET_IA64, 1, [...])
3111         ;;
3112 SPARC)
3113         AC_DEFINE(TARGET_SPARC, 1, [...])
3114         ;;
3115 SPARC64)
3116         AC_DEFINE(TARGET_SPARC64, 1, [...])
3117         ;;
3118 esac
3119
3120 dnl *************
3121 dnl *** VTUNE ***
3122 dnl *************
3123
3124 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3125 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3126
3127 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3128
3129 if test "x$enable_vtune" = "xyes"; then
3130         if test "x$with_vtune" = "x"; then
3131                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3132         else
3133                 VTUNE_PATH=$with_vtune
3134         fi
3135         VTUNE_INCLUDE=$VTUNE_PATH/include
3136         case "$TARGET" in
3137         X86)
3138                 VTUNE_LIB=$VTUNE_PATH/lib32
3139                 ;;
3140         AMD64)
3141                 VTUNE_LIB=$VTUNE_PATH/lib64
3142                 ;;
3143         *)
3144                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3145                 ;;
3146         esac
3147         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3148                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3149         fi
3150         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3151                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3152         fi
3153
3154         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3155         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3156
3157         AC_SUBST(VTUNE_LIBS)
3158         AC_SUBST(VTUNE_CFLAGS)
3159 fi
3160 dnl Use GCC atomic ops if they work on the target.
3161 if test x$GCC = "xyes"; then
3162         case $TARGET in
3163         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3164                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3165                 ;;
3166         esac
3167 fi
3168
3169 if test "x$target_mach" = "xyes"; then
3170    if test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3171           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3172           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3173           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3174    else
3175        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3176        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3177        #error fail this for ios
3178        #endif
3179        return 0;
3180        ], [
3181                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3182           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3183           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3184        ], [
3185           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3186           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3187           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3188        ])
3189         fi
3190    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3191 fi
3192
3193 if test "x$sizeof_register" = "x4"; then
3194    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3195 elif test "x$sizeof_register" = "x8"; then
3196    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3197 else
3198    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3199 fi
3200
3201 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3202    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3203 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3204    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3205 else
3206    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3207 fi
3208
3209 if test "x$have_visibility_hidden" = "xyes"; then
3210    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3211 fi
3212
3213 if test "x$have_deprecated" = "xyes"; then
3214    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3215 fi
3216
3217 dnl 
3218 dnl Simple Generational checks (sgen)
3219 dnl
3220 if $sgen_supported; then
3221    build_sgen_default=yes
3222 else
3223    build_sgen_default=no
3224 fi
3225 SGEN_DEFINES=
3226 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
3227 if test x$buildsgen = xyes; then
3228    if $sgen_supported; then
3229        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
3230        gc_msg="sgen and $gc_msg"
3231    else
3232        buildsgen=no
3233        AC_MSG_WARN("Sgen is not supported on this platform")
3234    fi
3235 fi
3236 AC_SUBST(SGEN_DEFINES)
3237 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3238
3239 jit_status="Building and using the JIT"
3240
3241 libsuffix=".so"
3242
3243 case "$host" in
3244      *-*-darwin*)
3245         libsuffix=".dylib"
3246         LIBC="libc.dylib"
3247         INTL="libintl.dylib"
3248         SQLITE="libsqlite.0.dylib"
3249         SQLITE3="libsqlite3.0.dylib"
3250         X11="libX11.dylib"
3251         GDKX11="libgdk-x11-2.0.dylib"
3252         GTKX11="libgtk-x11-2.0.dylib"
3253         ;;
3254      *-*-*netbsd*)
3255         LIBC="libc.so.12"
3256         INTL="libintl.so.0"
3257         ;;
3258      *-*-kfreebsd*-gnu)
3259         LIBC="libc.so.0.1"
3260         INTL="libc.so.0.1"
3261         X11="libX11.so.6"
3262         ;;
3263     *-*-*freebsd*)
3264         LIBC="libc.so"
3265         INTL="libintl.so"
3266         SQLITE="libsqlite.so"
3267         SQLITE3="libsqlite3.so"
3268         ;;
3269     *-*-*openbsd*)
3270         LIBC="libc.so"
3271         INTL="libintl.so"
3272         SQLITE="libsqlite.so"
3273         SQLITE3="libsqlite3.so"
3274         ;;
3275     *-*-*linux*)
3276         AC_PATH_X
3277         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3278         AC_MSG_CHECKING(for the soname of libX11.so)
3279         for i in $x_libraries $dlsearch_path; do
3280                 for r in 4 5 6; do
3281                         if test -f $i/libX11.so.$r; then
3282                                 X11=libX11.so.$r
3283                                 AC_MSG_RESULT($X11)
3284                         fi
3285                 done
3286         done
3287         
3288         if test "x$X11" = "xlibX11.so"; then
3289                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3290                 X11=libX11.so.6
3291         fi
3292         ;;
3293 esac
3294
3295
3296 AC_SUBST(libsuffix)
3297
3298 AC_ARG_WITH([libgdiplus],
3299         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3300         [], [with_libgdiplus=installed])
3301
3302 # default install location
3303 libgdiplus_install_loc=libgdiplus${libsuffix}
3304 case $with_libgdiplus in
3305     no|installed)
3306     libgdiplus_loc=
3307     ;;
3308
3309     yes|sibling)
3310     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3311     ;;
3312
3313     /*) # absolute path, assume it is an install location
3314     libgdiplus_loc=$with_libgdiplus
3315     libgdiplus_install_loc=$with_libgdiplus
3316     ;;
3317
3318     *)
3319     libgdiplus_loc=`pwd`/$with_libgdiplus
3320     ;;
3321 esac
3322 AC_SUBST([libgdiplus_loc])
3323 AC_SUBST([libgdiplus_install_loc])
3324
3325 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3326 if test "x$icall_symbol_map" = "xyes"; then
3327    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3328 fi
3329
3330 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3331 if test "x$icall_export" = "xyes"; then
3332    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3333 fi
3334
3335 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3336 if test "x$icall_tables" = "xno"; then
3337    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3338 fi
3339
3340 if test "x$with_tls" = "x__thread"; then
3341         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3342         # Pass the information to libgc
3343         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3344         AC_MSG_CHECKING(if the tls_model attribute is supported)
3345         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3346                 ], [
3347                         AC_MSG_RESULT(yes)
3348                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3349                 ], [
3350                         AC_MSG_RESULT(no)
3351         ])
3352 fi
3353
3354 if test ${TARGET} = ARM; then
3355         dnl ******************************************
3356         dnl *** Check to see what FPU is available ***
3357         dnl ******************************************
3358         AC_MSG_CHECKING(which FPU to use)
3359
3360         #
3361         # This is a bit tricky:
3362         #
3363         # if (__ARM_PCS_VFP) {
3364         #       /* mfloat-abi=hard == VFP with hard ABI */
3365         # } elif (!__SOFTFP__) {
3366         #       /* mfloat-abi=softfp == VFP with soft ABI */
3367         # } else {
3368         #       /* mfloat-abi=soft == no VFP */
3369         # }
3370         #
3371         # The exception is iOS (w/ GCC) where none of the above
3372         # are defined (but iOS always uses the 'softfp' ABI).
3373         #
3374         # No support for FPA.
3375         #
3376
3377         fpu=NONE
3378
3379         # iOS GCC always uses the 'softfp' ABI.
3380         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3381                 fpu=VFP
3382         fi
3383
3384         # Are we using the 'hard' ABI?
3385         if test x$fpu = xNONE; then
3386                 AC_TRY_COMPILE([], [
3387                         #ifndef __ARM_PCS_VFP
3388                         #error "Float ABI is not 'hard'"
3389                         #endif
3390                         return 0;
3391                 ], [
3392                         fpu=VFP_HARD
3393                 ], [
3394                         fpu=NONE
3395                 ])
3396         fi
3397
3398         # No 'hard' ABI. 'soft' or 'softfp'?
3399         if test x$fpu = xNONE; then
3400                 AC_TRY_COMPILE([], [
3401                         #ifdef __SOFTFP__
3402                         #error "Float ABI is not 'softfp'"
3403                         #endif
3404                         return 0;
3405                 ], [
3406                         fpu=VFP
3407                 ], [
3408                         fpu=NONE
3409                 ])
3410         fi
3411
3412         AC_MSG_RESULT($fpu)
3413         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3414         unset fpu
3415
3416         dnl *********************************************
3417         dnl *** Check which ARM version(s) we can use ***
3418         dnl *********************************************
3419         AC_MSG_CHECKING(which ARM version to use)
3420
3421         AC_TRY_COMPILE([], [
3422                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3423                 #error Not on ARM v5.
3424                 #endif
3425                 return 0;
3426         ], [
3427                 arm_v5=yes
3428
3429                 arm_ver=ARMv5
3430         ], [])
3431
3432         AC_TRY_COMPILE([], [
3433                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3434                 #error Not on ARM v6.
3435                 #endif
3436                 return 0;
3437         ], [
3438                 arm_v5=yes
3439                 arm_v6=yes
3440
3441                 arm_ver=ARMv6
3442         ], [])
3443
3444         AC_TRY_COMPILE([], [
3445                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3446                 #error Not on ARM v7.
3447                 #endif
3448                 return 0;
3449         ], [
3450                 arm_v5=yes
3451                 arm_v6=yes
3452                 arm_v7=yes
3453
3454                 arm_ver=ARMv7
3455         ], [])
3456
3457         AC_MSG_RESULT($arm_ver)
3458
3459         if test x$arm_v5 = xyes; then
3460                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3461                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3462         fi
3463
3464         if test x$arm_v6 = xyes; then
3465                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3466                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3467         fi
3468
3469         if test x$arm_v7 = xyes; then
3470                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3471                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3472         fi
3473 fi
3474
3475 if test ${TARGET} = ARM; then
3476         if test "x${with_jumptables}" = "xyes"; then
3477                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3478         fi
3479 fi
3480
3481 if test ${TARGET} = unknown; then
3482         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3483         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3484 fi
3485
3486 if test ${ACCESS_UNALIGNED} = no; then
3487         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3488 fi
3489
3490 case "x$libgc" in
3491         xincluded)
3492                 # Pass CPPFLAGS to libgc configure
3493                 # We should use a separate variable for this to avoid passing useless and
3494                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3495                 # This should be executed late so we pick up the final version of CPPFLAGS
3496                 # The problem with this approach, is that during a reconfigure, the main
3497                 # configure scripts gets invoked with these arguments, so we use separate
3498                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3499                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3500                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3501                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3502                 fi
3503                 # Don't pass -finstrument-for-thread-suspension in, 
3504                 # if these are instrumented it will be very bad news 
3505                 # (infinite recursion, undefined parking behavior, etc)
3506                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3507                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3508                 if test "x$support_boehm" = "xyes"; then
3509                         AC_CONFIG_SUBDIRS(libgc)
3510                 fi
3511                 ;;
3512 esac
3513
3514 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
3515 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3516 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3517 AC_ARG_WITH(xammac,    [  --with-xammac=yes,no,only       If you want to build the Xamarin.Mac assemblies (defaults to no)],   [], [with_xammac=no])
3518
3519 OPROFILE=no
3520 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3521         if test x$with_oprofile != xno; then
3522             oprofile_include=$with_oprofile/include
3523             if test ! -f $oprofile_include/opagent.h; then
3524                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3525                 fi
3526             OPROFILE=yes
3527                 OPROFILE_CFLAGS="-I$oprofile_include"
3528             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3529             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3530         fi
3531 ])
3532
3533 MALLOC_MEMPOOLS=no
3534 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3535         if test x$with_malloc_mempools = xyes; then
3536                 MALLOC_MEMPOOLS=yes
3537                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3538         fi
3539 ])
3540
3541
3542 DISABLE_MCS_DOCS=no
3543 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3544         if test x$with_mcs_docs != xyes; then
3545                 DISABLE_MCS_DOCS=yes
3546         fi
3547 ])
3548 if test x$with_profile4_5 != xyes; then
3549         DISABLE_MCS_DOCS=yes
3550 fi
3551
3552 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)],[
3553         if test x$with_lazy_gc_thread_creation != xno ; then
3554                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3555         fi
3556 ], [with_lazy_gc_thread_creation=no])
3557
3558 AC_ARG_WITH(cooperative_gc, [  --with-cooperative-gc=yes|no      Enable cooperative stop-the-world garbage collection (sgen only) (defaults to no)],[
3559         if test x$with_cooperative_gc != xno ; then
3560                 AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3561         fi
3562 ], [with_cooperative_gc=no])
3563
3564 AC_CHECK_HEADER([malloc.h], 
3565                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3566                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3567
3568 if test x"$GCC" = xyes; then
3569         # Implicit function declarations are not 64 bit safe
3570         # Do this late, since this causes lots of configure tests to fail
3571         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3572         # jay has a lot of implicit declarations
3573         JAY_CFLAGS="-Wno-implicit-function-declaration"
3574 fi
3575
3576 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3577 # instead of libmono-static.a
3578 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3579    LIBMONO_LA=libmini-static.la
3580 else
3581    if test x$buildsgen = xyes; then
3582       LIBMONO_LA=libmonosgen-$API_VER.la
3583    else
3584       LIBMONO_LA=libmonoboehm-$API_VER.la
3585    fi
3586 fi
3587 AC_SUBST(LIBMONO_LA)
3588
3589 dnl
3590 dnl Consistency settings
3591 dnl
3592 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3593    DISABLE_MCS_DOCS=yes
3594    with_profile4_5=no
3595    with_monodroid=no
3596    with_monotouch=no
3597    with_xammac=no
3598 fi
3599
3600 if test x$DISABLE_MCS_DOCS = xyes; then
3601    docs_dir=""
3602 else
3603    docs_dir=docs
3604 fi
3605 AC_SUBST(docs_dir)
3606
3607 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3608 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3609
3610 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3611 AC_SUBST(OPROFILE_CFLAGS)
3612 AC_SUBST(OPROFILE_LIBS)
3613
3614 libmono_ldflags="$libmono_ldflags $LIBS"
3615
3616 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3617 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3618 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3619 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3620 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3621 AM_CONDITIONAL(ONLY_XAMMAC, [test "x$with_xammac" = "xonly"])
3622
3623 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3624 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3625 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3626 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3627 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3628 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3629 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3630 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3631 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3632 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3633 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3634 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3635 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3636 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3637 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3638 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3639 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3640 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3641
3642 AM_CONDITIONAL(INCLUDED_LIBGC, test x$libgc = xincluded)
3643
3644 AC_SUBST(LIBC)
3645 AC_SUBST(INTL)
3646 AC_SUBST(SQLITE)
3647 AC_SUBST(SQLITE3)
3648 AC_SUBST(X11)
3649 AC_SUBST(GDKX11)
3650 AC_SUBST(GTKX11)
3651 AC_SUBST(XINERAMA)
3652 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3653 AC_SUBST(arch_target)
3654 AC_SUBST(CFLAGS)
3655 AC_SUBST(CPPFLAGS)
3656 AC_SUBST(LDFLAGS)
3657
3658 mono_build_root=`pwd`
3659 AC_SUBST(mono_build_root)
3660
3661 mono_runtime=mono/mini/mono
3662 AC_SUBST(mono_runtime)
3663
3664 mono_cfg_root=$mono_build_root/runtime
3665 if test x$host_win32 = xyes; then
3666   if test "x$cross_compiling" = "xno"; then
3667     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3668   else
3669     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3670   fi
3671 else
3672   mono_cfg_dir=$mono_cfg_root/etc
3673 fi
3674 AC_SUBST(mono_cfg_dir)
3675
3676 AC_CONFIG_FILES([po/mcs/Makefile.in])
3677
3678 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3679 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3680
3681 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3682 [   depth=../../../..
3683     case $srcdir in
3684     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3685     .) reldir=$depth ;;
3686     *) reldir=$depth/$srcdir ;;
3687     esac
3688     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3689     cd runtime/etc/mono/1.0
3690     rm -f machine.config
3691     $LN_S $reldir/data/net_1_1/machine.config machine.config
3692     cd $depth
3693 ],[LN_S='$LN_S'])
3694
3695 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3696 [   depth=../../../..
3697     case $srcdir in
3698     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3699     .) reldir=$depth ;;
3700     *) reldir=$depth/$srcdir ;;
3701     esac
3702     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3703     cd runtime/etc/mono/2.0
3704     rm -f machine.config
3705     $LN_S $reldir/data/net_2_0/machine.config machine.config
3706     cd $depth
3707 ],[LN_S='$LN_S'])
3708
3709 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3710 [   depth=../../../..
3711     case $srcdir in
3712     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3713     .) reldir=$depth ;;
3714     *) reldir=$depth/$srcdir ;;
3715     esac
3716     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3717     cd runtime/etc/mono/2.0
3718     rm -f web.config
3719     $LN_S $reldir/data/net_2_0/web.config web.config
3720     cd $depth
3721 ],[LN_S='$LN_S'])
3722
3723 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3724 [   depth=../../..
3725     case $srcdir in
3726     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3727     .) reldir=$depth ;;
3728     *) reldir=$depth/$srcdir ;;
3729     esac
3730     $ac_aux_dir/install-sh -d runtime/etc/mono/
3731     cd runtime/etc/mono/
3732     rm -f browscap.ini
3733     $LN_S $reldir/data/browscap.ini browscap.ini
3734     cd $depth
3735 ],[LN_S='$LN_S'])
3736
3737 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3738 [   depth=../../../../..
3739     case $srcdir in
3740     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3741     .) reldir=$depth ;;
3742     *) reldir=$depth/$srcdir ;;
3743     esac
3744     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3745     cd runtime/etc/mono/2.0/Browsers
3746     rm -f Compat.browser
3747     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3748     cd $depth
3749 ],[LN_S='$LN_S'])
3750
3751 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3752 [   depth=../../../../..
3753     case $srcdir in
3754     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3755     .) reldir=$depth ;;
3756     *) reldir=$depth/$srcdir ;;
3757     esac
3758     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3759     cd runtime/etc/mono/4.0/Browsers
3760     rm -f Compat.browser
3761     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3762     cd $depth
3763 ],[LN_S='$LN_S'])
3764
3765 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3766 [   depth=../../../../..
3767     case $srcdir in
3768     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3769     .) reldir=$depth ;;
3770     *) reldir=$depth/$srcdir ;;
3771     esac
3772     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3773     cd runtime/etc/mono/4.5/Browsers
3774     rm -f Compat.browser
3775     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3776     cd $depth
3777 ],[LN_S='$LN_S'])
3778
3779 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3780 [   depth=../../../..
3781     case $srcdir in
3782     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3783     .) reldir=$depth ;;
3784     *) reldir=$depth/$srcdir ;;
3785     esac
3786     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3787     cd runtime/etc/mono/4.0
3788     rm -f machine.config
3789     $LN_S $reldir/data/net_4_0/machine.config machine.config
3790     cd $depth
3791 ],[LN_S='$LN_S'])
3792
3793 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3794 [   depth=../../../..
3795     case $srcdir in
3796     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3797     .) reldir=$depth ;;
3798     *) reldir=$depth/$srcdir ;;
3799     esac
3800     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3801     cd runtime/etc/mono/4.0
3802     rm -f web.config
3803     $LN_S $reldir/data/net_4_0/web.config web.config
3804     cd $depth
3805 ],[LN_S='$LN_S'])
3806
3807 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3808 [   depth=../../../..
3809     case $srcdir in
3810     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3811     .) reldir=$depth ;;
3812     *) reldir=$depth/$srcdir ;;
3813     esac
3814     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3815     cd runtime/etc/mono/4.5
3816     rm -f machine.config
3817     $LN_S $reldir/data/net_4_5/machine.config machine.config
3818     cd $depth
3819 ],[LN_S='$LN_S'])
3820
3821 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3822 [   depth=../../../..
3823     case $srcdir in
3824     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3825     .) reldir=$depth ;;
3826     *) reldir=$depth/$srcdir ;;
3827     esac
3828     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3829     cd runtime/etc/mono/4.5
3830     rm -f web.config
3831     $LN_S $reldir/data/net_4_5/web.config web.config
3832     cd $depth
3833 ],[LN_S='$LN_S'])
3834
3835 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])
3836 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])
3837
3838 AC_OUTPUT([
3839 Makefile
3840 mono-core.spec
3841 mono-uninstalled.pc
3842 scripts/mono-find-provides
3843 scripts/mono-find-requires
3844 mono/Makefile
3845 mono/utils/Makefile
3846 mono/metadata/Makefile
3847 mono/dis/Makefile
3848 mono/cil/Makefile
3849 mono/arch/Makefile
3850 mono/arch/x86/Makefile
3851 mono/arch/amd64/Makefile
3852 mono/arch/ppc/Makefile
3853 mono/arch/sparc/Makefile
3854 mono/arch/s390x/Makefile
3855 mono/arch/arm/Makefile
3856 mono/arch/arm64/Makefile
3857 mono/arch/ia64/Makefile
3858 mono/arch/mips/Makefile
3859 mono/tests/Makefile
3860 mono/tests/tests-config
3861 mono/tests/assemblyresolve/Makefile
3862 mono/tests/cas/Makefile
3863 mono/tests/cas/assembly/Makefile
3864 mono/tests/cas/demand/Makefile
3865 mono/tests/cas/inheritance/Makefile
3866 mono/tests/cas/linkdemand/Makefile
3867 mono/tests/cas/threads/Makefile
3868 mono/tests/gc-descriptors/Makefile
3869 mono/unit-tests/Makefile
3870 mono/benchmark/Makefile
3871 mono/io-layer/Makefile
3872 mono/mini/Makefile
3873 mono/profiler/Makefile
3874 m4/Makefile
3875 ikvm-native/Makefile
3876 scripts/Makefile
3877 man/Makefile
3878 docs/Makefile
3879 data/Makefile
3880 data/net_2_0/Makefile
3881 data/net_4_0/Makefile
3882 data/net_4_5/Makefile
3883 data/net_2_0/Browsers/Makefile
3884 data/net_4_0/Browsers/Makefile
3885 data/net_4_5/Browsers/Makefile
3886 data/mint.pc
3887 data/mono-2.pc
3888 data/monosgen-2.pc
3889 data/mono.pc
3890 data/mono-cairo.pc
3891 data/mono-nunit.pc
3892 data/mono-options.pc
3893 data/mono-lineeditor.pc
3894 data/monodoc.pc
3895 data/dotnet.pc
3896 data/dotnet35.pc
3897 data/wcf.pc
3898 data/cecil.pc
3899 data/system.web.extensions_1.0.pc
3900 data/system.web.extensions.design_1.0.pc
3901 data/system.web.mvc.pc
3902 data/system.web.mvc2.pc
3903 data/system.web.mvc3.pc
3904 data/aspnetwebstack.pc
3905 data/reactive.pc
3906 samples/Makefile
3907 support/Makefile
3908 data/config
3909 tools/Makefile
3910 tools/locale-builder/Makefile
3911 tools/sgen/Makefile
3912 tools/monograph/Makefile
3913 runtime/Makefile
3914 msvc/Makefile
3915 po/Makefile
3916 ])
3917
3918 # Update all submodules recursively to ensure everything is checked out
3919 $srcdir/scripts/update_submodules
3920
3921 if test x$host_win32 = xyes; then
3922    # Get rid of 'cyg' prefixes in library names
3923    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3924    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3925    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3926    # executable doesn't work...
3927    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3928 fi
3929
3930 if test x$platform_darwin = xyes; then
3931    # This doesn't seem to be required and it slows down parallel builds
3932    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3933 fi
3934
3935 (
3936   case $prefix in
3937   NONE) prefix=$ac_default_prefix ;;
3938   esac
3939   case $exec_prefix in
3940   NONE) exec_prefix='${prefix}' ;;
3941   esac
3942
3943   #
3944   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3945   # any existing config.make.  This allows people to share the same source tree
3946   # with different build directories, one native and one cross
3947   #
3948   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3949
3950     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3951
3952     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3953     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3954     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3955     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3956     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3957     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3958     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3959     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3960
3961     case $INSTALL in
3962     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3963     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3964     esac
3965
3966     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3967
3968     export VERSION
3969     [myver=$($AWK 'BEGIN {
3970       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3971       if(length(vsplit [1]) > 4) {
3972         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3973       }
3974       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3975     }')]
3976
3977     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3978
3979     if test x$platform_darwin = xyes; then
3980       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3981     fi
3982
3983         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3984            enable_system_aot=yes
3985         fi
3986
3987     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3988       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3989     fi
3990
3991     if test x$DISABLE_MCS_DOCS = xyes; then
3992       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3993     fi
3994
3995     if test x$has_extension_module != xno; then
3996         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3997     fi
3998
3999         default_profile=net_4_5
4000     if test -z "$INSTALL_MONODROID_TRUE"; then :
4001                 default_profile=monodroid
4002     fi
4003     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
4004                 default_profile=monotouch
4005     fi
4006         if test -z "$INSTALL_XAMMAC_TRUE"; then :
4007                 default_profile=xammac
4008         fi
4009     if test -z "$INSTALL_4_5_TRUE"; then :
4010                 default_profile=net_4_5
4011     fi
4012     
4013     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4014     
4015     if test "x$test_bcl_opt" = "xyes"; then    
4016       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4017     fi
4018
4019   fi
4020
4021   # if we have an olive folder, override the default settings
4022   if test -d $olivedir; then
4023
4024     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
4025
4026       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
4027
4028       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
4029       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
4030       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
4031       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
4032       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
4033       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
4034     fi
4035   fi
4036
4037 )
4038
4039 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4040
4041 echo "
4042         mcs source:    $mcsdir
4043
4044    Engine:
4045         Host:          $host
4046         Target:        $target
4047         GC:            $gc_msg 
4048         TLS:           $with_tls
4049         SIGALTSTACK:   $with_sigaltstack
4050         Engine:        $jit_status
4051         oprofile:      $OPROFILE
4052         BigArrays:     $enable_big_arrays
4053         DTrace:        $enable_dtrace
4054         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4055
4056    Libraries:
4057         .NET 4.5:      $with_profile4_5
4058         MonoDroid:     $with_monodroid
4059         MonoTouch:     $with_monotouch
4060         Xamarin.Mac:   $with_xammac
4061         JNI support:   $jdk_headers_found
4062         libgdiplus:    $libgdiplus_msg
4063         zlib:          $zlib_msg
4064         $disabled
4065 "
4066 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4067    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4068 fi