[runtime]
[mono.git] / configure.ac
1 # Process this file with autoconf to produce a configure script.
2 #AC_PREREQ([2.62])
3
4 AC_INIT(mono, [3.99.0],
5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
6
7 AC_CONFIG_SRCDIR([README.md])
8 AC_CONFIG_MACRO_DIR([m4])
9 AC_CANONICAL_SYSTEM
10 AC_CANONICAL_HOST
11
12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
13 # The extra brackets are to foil regex-based scans.
14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
15
16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects])
17 AC_CONFIG_HEADERS([config.h])
18 AM_MAINTAINER_MODE
19
20 API_VER=2.0
21 AC_SUBST(API_VER)
22
23 AC_PROG_LN_S
24
25 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
26
27 case $host_os in
28 *cygwin* )
29                  echo "Run configure using ./configure --host=i686-pc-mingw32"
30                  exit 1
31 esac
32
33 # In case of cygwin, override LN_S, irrespective of what it determines.
34 # The build uses cygwin, but the actual runtime doesn't.
35 case $host_os in
36 *cygwin* ) LN_S='cp -p';;
37 esac
38
39 #
40 # libgc defaults
41 #
42 libgc_configure_args=
43
44 if test -d $srcdir/libgc ; then
45   libgc_default=included
46 else
47   libgc_default=boehm
48 fi
49
50 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
51 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
52 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
53 CFLAGS_FOR_LIBGC=$CFLAGS
54 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
55 CFLAGS_FOR_EGLIB=$CFLAGS
56
57 # libgc uses some deprecated APIs
58 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
59
60 #
61 # These are the flags that need to be stored in the mono.pc file for 
62 # compiling code that will embed Mono
63 #
64 libmono_cflags=""
65 libmono_ldflags=""
66 AC_SUBST(libmono_cflags)
67 AC_SUBST(libmono_ldflags)
68
69 # Variable to have relocatable .pc files (lib, or lib64)
70 reloc_libdir=`basename ${libdir}`
71 AC_SUBST(reloc_libdir)
72
73 dnl if linker handles the version script
74 no_version_script=no
75
76 # Set to yes if Unix sockets cannot be created in an anonymous namespace
77 need_link_unlink=no
78
79 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
80 extra_runtime_ldflags=""
81
82 # Thread configuration inspired by sleepycat's db
83 AC_MSG_CHECKING([host platform characteristics])
84 libgc_threads=no
85 has_dtrace=no
86 parallel_mark=yes
87 ikvm_native=yes
88
89 case "$host" in
90         powerpc*-*-linux*)
91                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
92                 disable_munmap=yes
93         ;;
94 esac
95
96 host_win32=no
97 target_win32=no
98 platform_android=no
99 platform_darwin=no
100 case "$host" in
101         *-mingw*|*-*-cygwin*)
102                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
103                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
104                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
105                 host_win32=yes
106                 mono_cv_clang=no
107                 if test "x$cross_compiling" = "xno"; then
108                         target_win32=yes
109                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
110                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
111                         fi
112                 else
113                         target_win32=yes
114                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
115                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
116                 fi
117                 HOST_CC="gcc"
118                 # Windows XP SP2 is required
119                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0502 -D_WIN32_WINNT=0x0502 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
120                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
121                 libmono_cflags="-mms-bitfields -mwindows"
122                 libmono_ldflags="-mms-bitfields -mwindows"
123                 libdl=
124                 libgc_threads=win32
125                 libgc_default=included
126                 with_sigaltstack=no
127                 with_tls=pthread
128                 LN_S=cp
129                 # This forces libgc to use the DllMain based thread registration code on win32
130                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
131                 ;;
132         *-*-*netbsd*)
133                 host_win32=no
134                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
135                 libmono_cflags="-D_REENTRANT"
136                 LDFLAGS="$LDFLAGS -pthread"
137                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
138                 libmono_ldflags="-pthread"
139                 need_link_unlink=yes
140                 libdl="-ldl"
141                 libgc_threads=pthreads
142                 with_sigaltstack=no
143                 use_sigposix=yes
144                 ;;
145         *-*-kfreebsd*-gnu)
146                 host_win32=no
147                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
148                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
149                 libmono_ldflags="-lpthread -pthread"
150                 libdl="-ldl"
151                 libgc_threads=pthreads
152                 need_link_unlink=yes
153                 with_sigaltstack=no
154                 use_sigposix=yes
155                 ;;
156         *-*-*freebsd*)
157                 host_win32=no
158                 if test "x$PTHREAD_CFLAGS" = "x"; then
159                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
160                         libmono_cflags=
161                 else
162                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
163                         libmono_cflags="$PTHREAD_CFLAGS"
164                 fi
165                 if test "x$PTHREAD_LIBS" = "x"; then
166                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
167                         libmono_ldflags="-pthread"
168                 else
169                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
170                         libmono_ldflags="$PTHREAD_LIBS"
171                 fi
172                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
173                 need_link_unlink=yes
174                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
175                 libdl=
176                 libgc_threads=pthreads
177                 use_sigposix=yes
178                 has_dtrace=yes
179                 ;;
180         *-*-*openbsd*)
181                 host_win32=no
182                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
183                 if test "x$disable_munmap" != "xyes"; then
184                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
185                 fi
186                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
187                 LDFLAGS="$LDFLAGS -pthread"
188                 need_link_unlink=yes
189                 AC_DEFINE(PTHREAD_POINTER_ID)
190                 libdl=
191                 libgc_default=boehm
192                 libgc_threads=pthreads
193                 with_sigaltstack=no
194                 use_sigposix=yes
195                 ;;
196         *-*-linux-android*)
197                 host_win32=no
198                 platform_android=yes
199                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
200                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
201
202                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
203                 if test "x$disable_munmap" != "xyes"; then
204                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
205                 fi
206                 libmono_cflags="-D_REENTRANT"
207                 libdl="-ldl"
208                 libgc_threads=pthreads
209                 use_sigposix=yes
210
211                 with_tls=pthread
212                 with_sigaltstack=no
213                 with_static_mono=no
214
215                 # Android doesn't support boehm, as it's missing <link.h>
216                 support_boehm=no
217                 with_gc=sgen
218
219                 # isinf(3) requires -lm; see isinf check below
220                 LDFLAGS="$LDFLAGS -lm"
221
222                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
223                 # PAGE_SIZE; breaks mono/io-layer/collection.c
224                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
225                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
226                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
227
228                 # The configure check can't detect this
229                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
230
231                 # to bypass the underscore linker check, can't work when cross-compiling
232                 mono_cv_uscore=yes
233                 mono_cv_clang=no
234                 ;;
235         *-*-linux*)
236                 host_win32=no
237                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
238                 if test "x$disable_munmap" != "xyes"; then
239                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
240                 fi
241                 libmono_cflags="-D_REENTRANT"
242                 libdl="-ldl"
243                 libgc_threads=pthreads
244                 use_sigposix=yes
245                 if test "x$cross_compiling" != "xno"; then
246                         # to bypass the underscore linker check, not
247                         # available during cross-compilation
248                         mono_cv_uscore=no
249                 fi
250                 case "$host" in
251                 aarch64-*)
252                         support_boehm=no
253                         with_gc=sgen
254                         ;;
255                 esac
256                 ;;
257         *-*-nacl*)
258                 host_win32=no
259                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
260                 if test "x$disable_munmap" != "xyes"; then
261                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
262                 fi
263                 libmono_cflags="-D_REENTRANT"
264                 libdl=
265                 libgc_threads=pthreads
266                 libgc_default=boehm
267                 use_sigposix=yes
268                 ikvm_native=no
269                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
270                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
271                 ;;
272         *-*-hpux*)
273                 host_win32=no
274                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
275                 # +ESdbgasm only valid on bundled cc on RISC
276                 # silently ignored for ia64
277                 if test $GCC != "yes"; then
278                         CFLAGS="$CFLAGS +ESdbgasm"
279                         # Arrange for run-time dereferencing of null
280                         # pointers to produce a SIGSEGV signal.
281                         LDFLAGS="$LDFLAGS -z"
282                 fi
283                 CFLAGS="$CFLAGS +ESdbgasm"
284                 LDFLAGS="$LDFLAGS -z"
285                 libmono_cflags="-D_REENTRANT"
286                 libmono_ldflags="-lpthread"
287                 libgc_threads=pthreads
288                 need_link_unlink=yes
289                 use_sigposix=yes
290                 ;;
291         *-*-solaris*)
292                 host_win32=no
293                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
294                 need_link_unlink=yes
295                 libmono_cflags="-D_REENTRANT"
296                 libgc_threads=pthreads
297                 # This doesn't seem to work on solaris/x86, but the configure test runs
298                 with_tls=pthread
299                 has_dtrace=yes
300                 use_sigposix=yes
301                 enable_solaris_tar_check=yes
302                 ;;
303         *-*-darwin*)
304                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
305                 host_win32=no
306                 platform_darwin=yes
307                 target_mach=yes
308                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
309                 libmono_cflags="-D_THREAD_SAFE"
310                 need_link_unlink=yes
311                 AC_DEFINE(PTHREAD_POINTER_ID)
312                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
313                 no_version_script=yes
314                 libdl=
315                 libgc_threads=pthreads
316                 has_dtrace=yes
317                 if test "x$cross_compiling" = "xyes"; then
318                         has_broken_apple_cpp=yes
319                 fi
320                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
321                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
322                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
323                 case "$host" in
324                         dnl Snow Leopard and newer config.guess reports as this
325                         i*86-*-darwin*)
326                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
327                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
328                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
329                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
330                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
331                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
332                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
333                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
334                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
335                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
336                                 ;;
337                         x*64-*-darwin*)
338                                 ;;
339                         arm*-darwin*)
340                                 has_dtrace=no
341                                 ;;                      
342                 esac
343                 ;;
344         *-*-haiku*)
345                 host_win32=no
346                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
347                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
348                 libdl=
349                 LIBS="$LIBS -lnetwork"
350                 need_link_unlink=yes
351                 AC_DEFINE(PTHREAD_POINTER_ID)
352                 libgc_threads=pthreads
353                 use_sigposix=yes
354                 ;;
355         *)
356                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
357                 host_win32=no
358                 libdl="-ldl"
359                 ;;
360 esac
361 AC_MSG_RESULT(ok)
362
363 if test x$need_link_unlink = xyes; then
364    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
365 fi
366
367 AC_SUBST(extra_runtime_ldflags)
368 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
369 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
370 AM_CONDITIONAL(PLATFORM_GNU, echo x$target_os | grep -q -- -gnu)
371 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
372 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
373 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
374 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
375
376 AC_CHECK_TOOL(CC, gcc, gcc)
377 AC_PROG_CC
378 AC_CHECK_TOOL(CXX, g++, g++)
379 AC_PROG_CXX
380 AM_PROG_AS
381 AC_PROG_INSTALL
382 AC_PROG_AWK
383 AM_PROG_CC_C_O
384 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
385 : ${CCAS='$(CC)'}
386 # Set ASFLAGS if not already set.
387 : ${CCASFLAGS='$(CFLAGS)'}
388 AC_SUBST(CCAS)
389 AC_SUBST(CCASFLAGS)
390
391 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
392 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
393 if test "x$CXX" = "xg++"; then
394         if test "x$GXX" != "xyes"; then
395                 # automake/libtool is so broken, it requires g++ even if the c++ sources
396                 # are inside automake conditionals
397                 AC_MSG_ERROR([You need to install g++])
398         fi
399 fi
400
401 dnl may require a specific autoconf version
402 dnl AC_PROG_CC_FOR_BUILD
403 dnl CC_FOR_BUILD not automatically detected
404 CC_FOR_BUILD=$CC
405 CFLAGS_FOR_BUILD=$CFLAGS
406 BUILD_EXEEXT=
407 if test "x$cross_compiling" = "xyes"; then
408         CC_FOR_BUILD=cc
409         CFLAGS_FOR_BUILD=
410         BUILD_EXEEXT=""
411 fi
412 AC_SUBST(CC_FOR_BUILD)
413 AC_SUBST(CFLAGS_FOR_BUILD)
414 AC_SUBST(HOST_CC)
415 AC_SUBST(BUILD_EXEEXT)
416
417 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
418 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
419
420 # Set STDC_HEADERS
421 AC_HEADER_STDC
422 AC_LIBTOOL_WIN32_DLL
423 # This causes monodis to not link correctly
424 #AC_DISABLE_FAST_INSTALL
425 AM_PROG_LIBTOOL
426 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
427 DOLT
428
429 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
430 AC_SUBST(export_ldflags)
431
432 # Test whenever ld supports -version-script
433 AC_PROG_LD
434 AC_PROG_LD_GNU
435 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
436    no_version_script=yes
437 fi
438
439 AM_ICONV()
440
441 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
442
443 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h sys/utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h sys/uio.h sys/param.h sys/sysctl.h libproc.h)
444 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/sem.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h sys/inotify.h arpa/inet.h)
445 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
446                   [], [], [#include <stddef.h>
447                   #include <sys/socket.h>
448                   #include <linux/socket.h>])
449
450 AC_CHECK_HEADERS(sys/user.h, [], [],
451 [
452 #ifdef HAVE_SYS_PARAM_H
453 # include <sys/param.h>
454 #endif
455 ])
456
457 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
458 if test x$have_zlib = xyes; then
459    AC_TRY_COMPILE([#include <zlib.h>], [
460    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
461    return 0;
462    #else
463    #error No good zlib found
464    #endif
465    ],[
466         AC_MSG_RESULT(Using system zlib)
467         zlib_msg="system zlib"
468         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
469    ],[
470         AC_MSG_RESULT(Using embedded zlib)
471         have_zlib=no
472         zlib_msg="bundled zlib"
473    ])
474 fi
475
476 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
477 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
478
479 # for mono/metadata/debug-symfile.c
480 AC_CHECK_HEADERS(elf.h)
481
482 # for support
483 AC_CHECK_HEADERS(poll.h)
484 AC_CHECK_HEADERS(sys/poll.h)
485 AC_CHECK_HEADERS(sys/wait.h)
486 AC_CHECK_HEADERS(grp.h)
487 AC_CHECK_HEADERS(syslog.h)
488
489 # for mono/dis
490 AC_CHECK_HEADERS(wchar.h)
491 AC_CHECK_HEADERS(ieeefp.h)
492 AC_MSG_CHECKING(for isinf)
493 AC_TRY_LINK([#include <math.h>], [
494         int f = isinf (1.0);
495 ], [
496         AC_MSG_RESULT(yes)
497         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
498 ], [
499         # We'll have to use signals
500         AC_MSG_RESULT(no)
501 ])
502 # mingw
503 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
504         AC_TRY_LINK([#include <math.h>], 
505         [ _finite(0.0); ], 
506         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
507         AC_MSG_RESULT(no)))
508
509 # for Linux statfs support
510 AC_CHECK_HEADERS(linux/magic.h)
511
512 # not 64 bit clean in cross-compile
513 AC_CHECK_SIZEOF(void *, 4)
514
515 AC_CACHE_CHECK([for clang],
516         mono_cv_clang,[
517         AC_TRY_COMPILE([], [
518                 #ifdef __clang__
519                 #else
520                 #error "FAILED"
521                 #endif
522                 return 0;
523         ],
524         [mono_cv_clang=yes],
525         [mono_cv_clang=no],
526         [])
527 ])
528
529 WARN=''
530 if test x"$GCC" = xyes; then
531         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
532
533                 # We require C99 with some GNU extensions, e.g. `linux` macro
534                 CFLAGS="$CFLAGS -std=gnu99"
535
536                 # The runtime code does not respect ANSI C strict aliasing rules
537                 CFLAGS="$CFLAGS -fno-strict-aliasing"
538
539                 # We rely on signed overflow to behave
540                 CFLAGS="$CFLAGS -fwrapv"
541
542                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
543
544                 ORIG_CFLAGS=$CFLAGS
545                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
546                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
547                 AC_TRY_COMPILE([],[
548                                 return 0;
549                 ], [
550                    AC_MSG_RESULT(yes)
551                 ], [
552                    AC_MSG_RESULT(no)
553                    CFLAGS=$ORIG_CFLAGS
554                 ])
555
556                 ORIG_CFLAGS=$CFLAGS
557                 # Check for the normal version, since gcc ignores unknown -Wno options
558                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
559                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
560                 AC_TRY_COMPILE([],[
561                                 return 0;
562                 ], [
563                    AC_MSG_RESULT(yes)
564                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
565                 ], [
566                    AC_MSG_RESULT(no)
567                    CFLAGS=$ORIG_CFLAGS
568                 ])
569
570                 if test "x$mono_cv_clang" = "xyes"; then
571                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
572                    WARN="$WARN -Qunused-arguments"
573                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign"
574                 fi
575 else
576         # The Sun Forte compiler complains about inline functions that access static variables
577         # so disable all inlining.
578         case "$host" in
579         *-*-solaris*)
580                 CFLAGS="$CFLAGS -Dinline="
581                 ;;
582         esac
583 fi
584 CFLAGS="$CFLAGS -g $WARN"
585 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
586 CPPFLAGS="$CPPFLAGS -g $WARN"
587
588 # Where's the 'mcs' source tree?
589 if test -d $srcdir/mcs; then
590   mcsdir=mcs
591 else
592   mcsdir=../mcs
593 fi
594
595 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
596         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
597                 mcsdir=$with_mcs_path
598         fi
599 )
600
601 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
602
603 #
604 # A sanity check to catch cases where the package was unpacked
605 # with an ancient tar program (Solaris)
606 #
607 AC_ARG_ENABLE(solaris-tar-check,
608 [  --disable-solaris-tar-check    disable solaris tar check],
609    do_solaris_tar_check=no, do_solaris_tar_check=yes)
610
611 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
612         AC_MSG_CHECKING(integrity of package)
613         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
614         then
615                 AC_MSG_RESULT(ok)
616         else
617                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
618                 AC_MSG_ERROR([$errorm])
619         fi
620 fi
621
622 if test "x$with_mcs_path" != "x"; then
623 mcs_topdir=$(cd "$mcsdir" && pwd)
624 mcs_topdir_from_srcdir=$mcs_topdir
625 else
626 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
627 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
628 fi
629
630 # Convert mcs_topdir* paths to Windows syntax.
631 if test x$cross_compiling$host_win32 = xnoyes; then
632   mcs_topdir=$(cygpath -m $mcs_topdir)
633   case $mcs_topdir_from_srcdir in
634     /cygdrive/*)
635         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
636         ;;
637   esac
638 fi
639
640 AC_SUBST([mcs_topdir])
641 AC_SUBST([mcs_topdir_from_srcdir])
642
643 # Where's the 'olive' source tree?
644 if test -d $srcdir/olive; then
645   olivedir=olive
646 else
647   olivedir=../olive
648 fi
649
650 if test -d $srcdir/$olivedir; then
651 olive_topdir='$(top_srcdir)/'$olivedir
652 fi
653
654 # gettext: prepare the translation directories. 
655 # we do not configure the full gettext, as we consume it dynamically from C#
656 AM_PO_SUBDIRS
657
658 if test "x$USE_NLS" = "xyes"; then
659    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
660
661    if test "x$HAVE_MSGFMT" = "xno"; then
662           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
663    fi
664 fi
665
666 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
667
668 pkg_config_path=
669 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
670         if test x$with_crosspkgdir = "x"; then
671                 if test -s $PKG_CONFIG_PATH; then
672                         pkg_config_path=$PKG_CONFIG_PATH
673                 fi
674         else
675                 pkg_config_path=$with_crosspkgdir
676                 PKG_CONFIG_PATH=$pkg_config_path
677                 export PKG_CONFIG_PATH
678         fi
679 )
680
681 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
682 if test x$werror_flag = xyes; then
683         WERROR_CFLAGS="-Werror"
684 fi
685 AC_SUBST([WERROR_CFLAGS])
686
687 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
688 AC_CONFIG_SUBDIRS(eglib)
689
690 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
691 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
692 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
693 BUILD_GLIB_LIBS="$GLIB_LIBS"
694 GMODULE_CFLAGS="$GLIB_CFLAGS"
695 GMODULE_LIBS="$GLIB_LIBS"
696   
697 AC_SUBST(GLIB_CFLAGS)
698 AC_SUBST(GLIB_LIBS)
699 AC_SUBST(GMODULE_CFLAGS)
700 AC_SUBST(GMODULE_LIBS)
701 AC_SUBST(BUILD_GLIB_CFLAGS)
702 AC_SUBST(BUILD_GLIB_LIBS)
703
704 # Enable support for fast thread-local storage
705 # Some systems have broken support, so we allow to disable it.
706 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
707
708 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
709 # This does not work on some platforms (bug #55253)
710 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
711
712 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
713 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
714 # Same as --with-shared_mono=no
715 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
716
717 if test "x$enable_static" = "xno"; then
718    with_static_mono=no
719 fi
720
721 if test "x$enable_shared" = "xno"; then
722    with_shared_mono=no
723 fi
724
725 if test "x$enable_libraries" = "xno"; then
726    with_shared_mono=no
727 fi
728
729 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
730
731 case $host in
732 *nacl* ) with_shared_mono=yes;;
733 esac
734
735 if test "x$host_win32" = "xyes"; then
736    # Boehm GC requires the runtime to be in its own dll
737    with_static_mono=no
738 fi
739
740 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
741 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
742 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
743
744 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
745 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
746         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
747         ORIG_CFLAGS=$CFLAGS
748         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
749         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
750         AC_TRY_COMPILE([], [
751                 return 0;
752         ], [
753            AC_MSG_RESULT(yes)
754            # Pass it to libgc as well
755            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
756         ], [
757            AC_MSG_RESULT(no)
758            CFLAGS=$ORIG_CFLAGS
759         ])
760 fi
761
762 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
763
764 if test x$enable_small_config = xyes; then
765         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
766         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
767 fi
768
769 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=$enableval, enable_system_aot=default)
770
771 DISABLED_FEATURES=none
772
773 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
774      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
775      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
776          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying, shared_handles.],
777 [
778         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
779                 eval "mono_feature_disable_$feature='yes'"
780         done
781         DISABLED_FEATURES=$enable_minimal
782         disabled="Disabled:      $enable_minimal"
783 ],[])
784
785 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
786
787 if test "x$mono_feature_disable_aot" = "xyes"; then
788         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
789         AC_MSG_NOTICE([Disabled AOT compiler])
790 fi
791
792 if test "x$mono_feature_disable_profiler" = "xyes"; then
793         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
794         AC_MSG_NOTICE([Disabled support for the profiler])
795 fi
796 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
797
798 if test "x$mono_feature_disable_decimal" = "xyes"; then
799         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
800         AC_MSG_NOTICE([Disabled support for decimal])
801 fi
802
803 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
804         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
805         AC_MSG_NOTICE([Disabled support for P/Invoke])
806 fi
807
808 if test "x$mono_feature_disable_debug" = "xyes"; then
809         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
810         AC_MSG_NOTICE([Disabled support for runtime debugging])
811 fi
812
813 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
814         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
815         mono_feature_disable_reflection_emit_save=yes
816         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
817 fi
818
819 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
820         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
821         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
822 fi
823
824 if test "x$mono_feature_disable_large_code" = "xyes"; then
825         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
826         AC_MSG_NOTICE([Disabled support for large assemblies])
827 fi
828
829 if test "x$mono_feature_disable_logging" = "xyes"; then
830         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
831         AC_MSG_NOTICE([Disabled support for logging])
832 fi
833
834 if test "x$mono_feature_disable_com" = "xyes"; then
835         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
836         AC_MSG_NOTICE([Disabled COM support])
837 fi
838
839 if test "x$mono_feature_disable_ssa" = "xyes"; then
840         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
841         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
842 fi
843
844 if test "x$mono_feature_disable_generics" = "xyes"; then
845         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
846         AC_MSG_NOTICE([Disabled Generics Support])
847 fi
848
849 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
850         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
851         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
852 fi
853
854 if test "x$mono_feature_disable_portability" = "xyes"; then
855         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
856         AC_MSG_NOTICE([Disabled IO Portability layer])
857 fi
858
859 if test "x$mono_feature_disable_attach" = "xyes"; then
860         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
861         AC_MSG_NOTICE([Disabled agent attach])
862 fi
863
864 if test "x$mono_feature_disable_full_messages" = "xyes"; then
865         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
866         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
867 fi
868
869 if test "x$mono_feature_disable_verifier" = "xyes"; then
870         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
871         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
872 fi
873
874 if test "x$mono_feature_disable_jit" = "xyes"; then
875         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
876         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
877 fi
878
879 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
880
881 if test "x$mono_feature_disable_simd" = "xyes"; then
882         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
883         AC_MSG_NOTICE([Disabled SIMD support])
884 fi
885
886 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
887         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
888         AC_MSG_NOTICE([Disabled Soft Debugger.])
889 fi
890
891 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
892         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
893         AC_MSG_NOTICE([Disabled Performance Counters.])
894 fi
895 if test "x$mono_feature_disable_normalization" = "xyes"; then
896         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
897         AC_MSG_NOTICE([Disabled String normalization support.])
898 fi
899
900 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
901         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
902         AC_MSG_NOTICE([Disabled Assembly remapping.])
903 fi
904
905 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
906         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
907         AC_MSG_NOTICE([Disabled Shared perfcounters.])
908 fi
909
910 if test "x$mono_feature_disable_appdomains" = "xyes"; then
911         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
912         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
913 fi
914
915 if test "x$mono_feature_disable_remoting" = "xyes"; then
916         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
917         AC_MSG_NOTICE([Disabled remoting])
918 fi
919
920 if test "x$mono_feature_disable_security" = "xyes"; then
921         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
922         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
923 fi
924
925 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
926         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
927         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
928 fi
929
930 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
931         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
932         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
933 fi
934
935 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
936         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
937         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
938 fi
939
940 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
941         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
942         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
943 fi
944
945 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
946         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
947         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
948 fi
949
950 if test "x$mono_feature_disable_shared_handles" = "xyes"; then
951         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
952         AC_SUBST(DISABLE_SHARED_HANDLES)
953 fi
954
955 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
956 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
957
958 has_extension_module=no
959 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
960 [
961         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
962                 if test x$extension = xdefault ; then
963                         has_extension_module=yes;
964                 fi
965         done
966         if test x$enable_extension_module = xyes; then
967                 has_extension_module=yes;
968         fi
969 ], [])
970
971 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
972
973 if test x$has_extension_module != xno ; then
974         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
975         AC_MSG_NOTICE([Enabling mono extension module.])
976 fi
977
978 AC_ARG_ENABLE(gsharing, [  --enable-gsharing Enable gsharing], enable_gsharing=$enableval, enable_gsharing=no)
979 if test x$enable_gsharing = xyes; then
980         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharing])
981 fi
982
983 AC_ARG_ENABLE(native-types, [  --enable-native-types Enable native types], enable_native_types=$enableval, enable_native_types=no)
984 if test x$enable_native_types = xyes; then
985         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
986 fi
987
988 AC_MSG_CHECKING(for visibility __attribute__)
989 AC_COMPILE_IFELSE([
990         AC_LANG_SOURCE([[
991                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
992                 int main () { doit (); return 0; }
993         ]])
994 ], [
995    have_visibility_hidden=yes
996    AC_MSG_RESULT(yes)
997 ], [
998    have_visibility_hidden=no
999    AC_MSG_RESULT(no)
1000 ])
1001
1002 AC_MSG_CHECKING(for deprecated __attribute__)
1003 AC_TRY_COMPILE([
1004      int doit (void) __attribute__ ((deprecated));
1005      int doit (void) { return 0; }
1006 ], [
1007         return 0;
1008 ], [
1009    have_deprecated=yes
1010    AC_MSG_RESULT(yes)
1011 ], [
1012    have_deprecated=no
1013    AC_MSG_RESULT(no)
1014 ])
1015
1016 dnl
1017 dnl Boehm GC configuration
1018 dnl
1019
1020 AC_ARG_WITH(libgc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=$libgc_default])
1021
1022 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1023 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1024
1025 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1026 if test x$enable_parallel_mark = xyes; then
1027         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1028 fi
1029
1030 gc_headers=no
1031 gc_msg=""
1032 use_included_gc=no
1033 LIBGC_CPPFLAGS=
1034 LIBGC_LIBS=
1035 LIBGC_STATIC_LIBS=
1036 libgc_dir=
1037 case "x$libgc" in
1038         xboehm|xbohem|xyes)
1039                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
1040                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
1041
1042                 if test "x$found_boehm" != "xyes"; then
1043                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
1044                 fi
1045                 if test "x$gc_headers" != "xyes"; then
1046                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
1047                 fi
1048
1049                 LIBGC_LIBS="-lgc $libdl"
1050                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
1051                 libmono_ldflags="$libmono_ldflags -lgc"
1052                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1053
1054                 # AC_CHECK_FUNCS does not work for some reason...
1055                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1056                 if test "x$found_gcj_malloc" = "xyes"; then
1057                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1058                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1059                         gc_msg="System Boehm with typed GC"
1060                 else
1061                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1062                         gc_msg="System Boehm (without typed GC)"
1063                 fi
1064                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1065                 if test "x$found_gc_enable" = "xyes"; then
1066                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1067                 fi
1068
1069                 # check whether we need to explicitly allow
1070                 # thread registering
1071                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1072                 if test "x$found_allow_register_threads" = "xyes"; then
1073                    AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1074                 fi
1075                 ;;
1076
1077         xincluded)
1078                 use_included_gc=yes
1079                 if test "x$support_boehm" = "xyes"; then
1080                         libgc_dir=libgc
1081                 fi
1082
1083                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1084                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1085                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1086
1087                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1088
1089                 if test x$target_win32 = xyes; then
1090                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1091                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1092                 fi
1093
1094                 gc_msg="Included Boehm GC with typed GC"
1095                 if test x$enable_parallel_mark = xyes; then
1096                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1097                         gc_msg="$gc_msg and parallel mark"
1098                 else
1099                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1100                 fi
1101                 ;;
1102
1103         xsgen)
1104                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1105                 ;;
1106
1107         xnone)
1108                 AC_MSG_WARN("Compiling mono without GC.")
1109                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1110                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1111                 gc_msg="none"
1112                 ;;
1113         *)
1114                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1115                 ;;
1116 esac
1117
1118 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1119 if test "x$large_heap" = "xyes"; then
1120    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1121 fi
1122
1123 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1124 AC_SUBST(LIBGC_CPPFLAGS)
1125 AC_SUBST(LIBGC_LIBS)
1126 AC_SUBST(LIBGC_STATIC_LIBS)
1127 AC_SUBST(libgc_dir)
1128 AC_SUBST(BOEHM_DEFINES)
1129
1130 dnl
1131 dnl End of Boehm GC Configuration
1132 dnl
1133
1134 dnl *************************************
1135 dnl *** Checks for zero length arrays ***
1136 dnl *************************************
1137 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1138 AC_TRY_COMPILE([
1139         struct s {
1140                 int  length;
1141                 char data [0];
1142         };
1143 ], [], [
1144         AC_MSG_RESULT(yes)
1145         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1146 ], [
1147         AC_MSG_RESULT(no)
1148         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1149 ])
1150
1151 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1152
1153 dnl ***********************************
1154 dnl *** Checks for signals
1155 dnl ***********************************
1156 AC_CHECK_HEADERS(signal.h)
1157 AC_CHECK_FUNCS(sigaction)
1158
1159 if test x$target_win32 = xno; then
1160
1161         dnl hires monotonic clock support
1162         AC_SEARCH_LIBS(clock_gettime, rt)
1163
1164         dnl dynamic loader support
1165         AC_CHECK_FUNC(dlopen, DL_LIB="",
1166                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1167         )
1168         if test x$dl_support = xno; then
1169                 AC_MSG_WARN([No dynamic loading support available])
1170         else
1171                 LIBS="$LIBS $DL_LIB"
1172                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1173                 dnl from glib's configure.ac
1174                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1175                         mono_cv_uscore,[
1176                         AC_TRY_RUN([#include <dlfcn.h>
1177                         int mono_underscore_test (void) { return 42; }
1178                         int main() {
1179                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1180                           handle = dlopen ((void*)0, 0);
1181                           if (handle) {
1182                             f1 = dlsym (handle, "mono_underscore_test");
1183                             f2 = dlsym (handle, "_mono_underscore_test");
1184                           } return (!f2 || f1);
1185                         }],
1186                                 [mono_cv_uscore=yes],
1187                                 [mono_cv_uscore=no],
1188                         [])
1189                 ])
1190                 if test "x$mono_cv_uscore" = "xyes"; then
1191                         MONO_DL_NEED_USCORE=1
1192                 else
1193                         MONO_DL_NEED_USCORE=0
1194                 fi
1195                 AC_SUBST(MONO_DL_NEED_USCORE)
1196                 AC_CHECK_FUNC(dlerror)
1197         fi
1198
1199         dnl ******************************************************************
1200         dnl *** Checks for the IKVM JNI interface library                  ***
1201         dnl ******************************************************************
1202         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])
1203
1204         ikvm_native_dir=
1205         if test x$with_ikvm_native = xyes; then
1206                 ikvm_native_dir=ikvm-native
1207                 jdk_headers_found="IKVM Native"
1208         fi
1209
1210         AC_SUBST(ikvm_native_dir)
1211
1212         AC_CHECK_HEADERS(execinfo.h)
1213
1214         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1215
1216         AC_CHECK_FUNCS(getgrgid_r)
1217         AC_CHECK_FUNCS(getgrnam_r)
1218         AC_CHECK_FUNCS(getpwnam_r)
1219         AC_CHECK_FUNCS(getpwuid_r)
1220         AC_CHECK_FUNCS(getresuid)
1221         AC_CHECK_FUNCS(setresuid)
1222         AC_CHECK_FUNCS(kqueue)
1223         AC_CHECK_FUNCS(backtrace_symbols)
1224         AC_CHECK_FUNCS(mkstemp)
1225         AC_CHECK_FUNCS(mmap)
1226         AC_CHECK_FUNCS(madvise)
1227         AC_CHECK_FUNCS(getrusage)
1228         AC_CHECK_FUNCS(getpriority)
1229         AC_CHECK_FUNCS(setpriority)
1230         AC_CHECK_FUNCS(dl_iterate_phdr)
1231         AC_CHECK_FUNCS(dladdr)
1232         AC_CHECK_FUNCS(sysconf)
1233         AC_CHECK_FUNCS(getrlimit)
1234
1235         AC_CHECK_FUNCS(sched_setaffinity)
1236         AC_CHECK_FUNCS(sched_getcpu)
1237
1238         dnl ****************************************************************
1239         dnl *** Check for sched_setaffinity from glibc versions before   ***
1240         dnl *** 2.3.4. The older versions of the function only take 2    ***
1241         dnl *** parameters, not 3.                                       ***
1242         dnl ***                                                          ***
1243         dnl *** Because the interface change was not made in a minor     ***
1244         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1245         dnl *** won't always indicate the interface sched_affinity has.  ***
1246         dnl ****************************************************************
1247         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1248         AC_TRY_COMPILE([#include <sched.h>], [
1249             int mask = 1; 
1250             sched_setaffinity(0, &mask);
1251                         return 0;
1252         ], [
1253                 # Yes, we have it...
1254                 AC_MSG_RESULT(yes)
1255                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1256         ], [
1257                 # We have the new, three-parameter version
1258                 AC_MSG_RESULT(no)
1259         ])
1260
1261
1262         dnl ******************************************************************
1263         dnl *** Check for large file support                               ***
1264         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1265         dnl ******************************************************************
1266         
1267         # Check that off_t can represent 2**63 - 1 correctly, working around
1268         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1269         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1270         large_offt=no
1271         AC_DEFUN([LARGE_FILES], [
1272                 large_CPPFLAGS=$CPPFLAGS
1273                 CPPFLAGS="$CPPFLAGS $1"
1274                 AC_TRY_COMPILE([
1275                         #include <sys/types.h>
1276                         #include <limits.h>
1277                 ], [
1278                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1279                         #define COMPILE_TIME_ASSERT(pred) \
1280                                 switch(0){case 0:case pred:;}
1281                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1282                 ], [
1283                         AC_MSG_RESULT(ok)
1284                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1285                         large_CPPFLAGS="$large_CPPFLAGS $1"
1286                         large_offt=yes
1287                 ], [
1288                         AC_MSG_RESULT(no)
1289                 ])
1290                 CPPFLAGS=$large_CPPFLAGS
1291         ])
1292
1293         AC_MSG_CHECKING(if off_t is 64 bits wide)
1294         LARGE_FILES("")
1295         if test $large_offt = no; then
1296                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1297                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1298         fi
1299         if test $large_offt = no; then
1300                 AC_MSG_WARN([No 64 bit file size support available])
1301         fi
1302         
1303         dnl *****************************
1304         dnl *** Checks for libsocket  ***
1305         dnl *****************************
1306         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1307
1308         case "$host" in
1309                 *-*-*freebsd*)
1310                         dnl *****************************
1311                         dnl *** Checks for libinotify ***
1312                         dnl *****************************
1313                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1314         esac
1315
1316         dnl *******************************
1317         dnl *** Checks for MSG_NOSIGNAL ***
1318         dnl *******************************
1319         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1320         AC_TRY_COMPILE([#include <sys/socket.h>], [
1321                 int f = MSG_NOSIGNAL;
1322         ], [
1323                 # Yes, we have it...
1324                 AC_MSG_RESULT(yes)
1325                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1326         ], [
1327                 # We'll have to use signals
1328                 AC_MSG_RESULT(no)
1329         ])
1330
1331         dnl *****************************
1332         dnl *** Checks for IPPROTO_IP ***
1333         dnl *****************************
1334         AC_MSG_CHECKING(for IPPROTO_IP)
1335         AC_TRY_COMPILE([#include <netinet/in.h>], [
1336                 int level = IPPROTO_IP;
1337         ], [
1338                 # Yes, we have it...
1339                 AC_MSG_RESULT(yes)
1340                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1341         ], [
1342                 # We'll have to use getprotobyname
1343                 AC_MSG_RESULT(no)
1344         ])
1345
1346         dnl *******************************
1347         dnl *** Checks for IPPROTO_IPV6 ***
1348         dnl *******************************
1349         AC_MSG_CHECKING(for IPPROTO_IPV6)
1350         AC_TRY_COMPILE([#include <netinet/in.h>], [
1351                 int level = IPPROTO_IPV6;
1352         ], [
1353                 # Yes, we have it...
1354                 AC_MSG_RESULT(yes)
1355                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1356         ], [
1357                 # We'll have to use getprotobyname
1358                 AC_MSG_RESULT(no)
1359         ])
1360
1361         dnl ******************************
1362         dnl *** Checks for IPPROTO_TCP ***
1363         dnl ******************************
1364         AC_MSG_CHECKING(for IPPROTO_TCP)
1365         AC_TRY_COMPILE([#include <netinet/in.h>], [
1366                 int level = IPPROTO_TCP;
1367         ], [
1368                 # Yes, we have it...
1369                 AC_MSG_RESULT(yes)
1370                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1371         ], [
1372                 # We'll have to use getprotobyname
1373                 AC_MSG_RESULT(no)
1374         ])
1375
1376         dnl *****************************
1377         dnl *** Checks for SOL_IP     ***
1378         dnl *****************************
1379         AC_MSG_CHECKING(for SOL_IP)
1380         AC_TRY_COMPILE([#include <netdb.h>], [
1381                 int level = SOL_IP;
1382         ], [
1383                 # Yes, we have it...
1384                 AC_MSG_RESULT(yes)
1385                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1386         ], [
1387                 # We'll have to use getprotobyname
1388                 AC_MSG_RESULT(no)
1389         ])
1390
1391         dnl *****************************
1392         dnl *** Checks for SOL_IPV6     ***
1393         dnl *****************************
1394         AC_MSG_CHECKING(for SOL_IPV6)
1395         AC_TRY_COMPILE([#include <netdb.h>], [
1396                 int level = SOL_IPV6;
1397         ], [
1398                 # Yes, we have it...
1399                 AC_MSG_RESULT(yes)
1400                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1401         ], [
1402                 # We'll have to use getprotobyname
1403                 AC_MSG_RESULT(no)
1404         ])
1405
1406         dnl *****************************
1407         dnl *** Checks for SOL_TCP    ***
1408         dnl *****************************
1409         AC_MSG_CHECKING(for SOL_TCP)
1410         AC_TRY_COMPILE([#include <netdb.h>], [
1411                 int level = SOL_TCP;
1412         ], [
1413                 # Yes, we have it...
1414                 AC_MSG_RESULT(yes)
1415                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1416         ], [
1417                 # We'll have to use getprotobyname
1418                 AC_MSG_RESULT(no)
1419         ])
1420
1421         dnl *****************************
1422         dnl *** Checks for IP_PKTINFO ***
1423         dnl *****************************
1424         AC_MSG_CHECKING(for IP_PKTINFO)
1425         AC_TRY_COMPILE([#include <linux/in.h>], [
1426                 int level = IP_PKTINFO;
1427         ], [
1428                 # Yes, we have it...
1429                 AC_MSG_RESULT(yes)
1430                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1431         ], [
1432                 AC_MSG_RESULT(no)
1433         ])
1434
1435         dnl *****************************
1436         dnl *** Checks for IPV6_PKTINFO ***
1437         dnl *****************************
1438         AC_MSG_CHECKING(for IPV6_PKTINFO)
1439         AC_TRY_COMPILE([#include <netdb.h>], [
1440                 int level = IPV6_PKTINFO;
1441         ], [
1442                 # Yes, we have it...
1443                 AC_MSG_RESULT(yes)
1444                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1445         ], [
1446                 AC_MSG_RESULT(no)
1447         ])
1448
1449         dnl **********************************
1450         dnl *** Checks for IP_DONTFRAG     ***
1451         dnl **********************************
1452         AC_MSG_CHECKING(for IP_DONTFRAG)
1453         AC_TRY_COMPILE([#include <netinet/in.h>], [
1454                 int level = IP_DONTFRAG;
1455         ], [
1456                 # Yes, we have it...
1457                 AC_MSG_RESULT(yes)
1458                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1459         ], [
1460                 AC_MSG_RESULT(no)
1461         ])
1462
1463         dnl **********************************
1464         dnl *** Checks for IP_DONTFRAGMENT ***
1465         dnl **********************************
1466         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1467         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1468                 int level = IP_DONTFRAGMENT;
1469         ], [
1470                 # Yes, we have it...
1471                 AC_MSG_RESULT(yes)
1472                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1473         ], [
1474                 AC_MSG_RESULT(no)
1475         ])
1476
1477         dnl **********************************
1478         dnl *** Checks for IP_MTU_DISCOVER ***
1479         dnl **********************************
1480         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1481         AC_TRY_COMPILE([#include <linux/in.h>], [
1482                 int level = IP_MTU_DISCOVER;
1483         ], [
1484                 # Yes, we have it...
1485                 AC_MSG_RESULT(yes)
1486                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1487         ], [
1488                 AC_MSG_RESULT(no)
1489         ])
1490
1491         dnl **********************************
1492         dnl *** Checks for  IP_PMTUDISC_DO ***
1493         dnl **********************************
1494         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1495         AC_TRY_COMPILE([#include <linux/in.h>], [
1496                 int level = IP_PMTUDISC_DO;
1497         ], [
1498                 # Yes, we have it...
1499                 AC_MSG_RESULT(yes)
1500                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1501         ], [
1502                 AC_MSG_RESULT(no)
1503         ])
1504
1505         dnl *********************************
1506         dnl *** Check for struct ip_mreqn ***
1507         dnl *********************************
1508         AC_MSG_CHECKING(for struct ip_mreqn)
1509         AC_TRY_COMPILE([#include <netinet/in.h>], [
1510                 struct ip_mreqn mreq;
1511                 mreq.imr_address.s_addr = 0;
1512         ], [
1513                 # Yes, we have it...
1514                 AC_MSG_RESULT(yes)
1515                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1516         ], [
1517                 # We'll just have to try and use struct ip_mreq
1518                 AC_MSG_RESULT(no)
1519                 AC_MSG_CHECKING(for struct ip_mreq)
1520                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1521                         struct ip_mreq mreq;
1522                         mreq.imr_interface.s_addr = 0;
1523                 ], [
1524                         # Yes, we have it...
1525                         AC_MSG_RESULT(yes)
1526                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1527                 ], [
1528                         # No multicast support
1529                         AC_MSG_RESULT(no)
1530                 ])
1531         ])
1532         
1533         dnl **********************************
1534         dnl *** Check for getaddrinfo ***
1535         dnl **********************************
1536         AC_MSG_CHECKING(for getaddrinfo)
1537                 AC_TRY_LINK([
1538                 #include <stdio.h>
1539                 #include <netdb.h>
1540         ], [
1541                 getaddrinfo(NULL,NULL,NULL,NULL);
1542         ], [
1543                 # Yes, we have it...
1544                 AC_MSG_RESULT(yes)
1545                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1546         ], [
1547                 AC_MSG_RESULT(no)
1548         ])
1549
1550         dnl **********************************
1551         dnl *** Check for gethostbyname2_r ***
1552         dnl **********************************
1553         AC_MSG_CHECKING(for gethostbyname2_r)
1554                 AC_TRY_LINK([
1555                 #include <stdio.h>
1556                 #include <netdb.h>
1557         ], [
1558
1559                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1560         ], [
1561                 # Yes, we have it...
1562                 AC_MSG_RESULT(yes)
1563                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1564         ], [
1565                 AC_MSG_RESULT(no)
1566         ])
1567
1568         dnl **********************************
1569         dnl *** Check for gethostbyname2 ***
1570         dnl **********************************
1571         AC_MSG_CHECKING(for gethostbyname2)
1572                 AC_TRY_LINK([
1573                 #include <stdio.h>
1574                 #include <netdb.h>
1575         ], [
1576                 gethostbyname2(NULL,0);
1577         ], [
1578                 # Yes, we have it...
1579                 AC_MSG_RESULT(yes)
1580                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1581         ], [
1582                 AC_MSG_RESULT(no)
1583         ])
1584
1585         dnl **********************************
1586         dnl *** Check for gethostbyname ***
1587         dnl **********************************
1588         AC_MSG_CHECKING(for gethostbyname)
1589                 AC_TRY_LINK([
1590                 #include <stdio.h>
1591                 #include <netdb.h>
1592         ], [
1593                 gethostbyname(NULL);
1594         ], [
1595                 # Yes, we have it...
1596                 AC_MSG_RESULT(yes)
1597                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1598         ], [
1599                 AC_MSG_RESULT(no)
1600         ])
1601
1602         dnl **********************************
1603         dnl *** Check for getprotobyname ***
1604         dnl **********************************
1605         AC_MSG_CHECKING(for getprotobyname)
1606                 AC_TRY_LINK([
1607                 #include <stdio.h>
1608                 #include <netdb.h>
1609         ], [
1610                 getprotobyname(NULL);
1611         ], [
1612                 # Yes, we have it...
1613                 AC_MSG_RESULT(yes)
1614                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1615         ], [
1616                 AC_MSG_RESULT(no)
1617         ])
1618
1619         dnl **********************************
1620         dnl *** Check for getnameinfo ***
1621         dnl **********************************
1622         AC_MSG_CHECKING(for getnameinfo)
1623                 AC_TRY_LINK([
1624                 #include <stdio.h>
1625                 #include <netdb.h>
1626         ], [
1627                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1628         ], [
1629                 # Yes, we have it...
1630                 AC_MSG_RESULT(yes)
1631                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1632         ], [
1633                 AC_MSG_RESULT(no)
1634         ])
1635
1636
1637         dnl **********************************
1638         dnl *** Check for inet_ntop ***
1639         dnl **********************************
1640         AC_MSG_CHECKING(for inet_ntop)
1641                 AC_TRY_LINK([
1642                 #include <stdio.h>
1643                 #include <arpa/inet.h>
1644         ], [
1645                 inet_ntop (0, NULL, NULL, 0);
1646         ], [
1647                 # Yes, we have it...
1648                 AC_MSG_RESULT(yes)
1649                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1650         ], [
1651                 AC_MSG_RESULT(no)
1652         ])
1653
1654         dnl *****************************
1655         dnl *** Checks for libnsl     ***
1656         dnl *****************************
1657         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1658
1659         AC_CHECK_FUNCS(inet_pton inet_aton)
1660
1661         dnl *****************************
1662         dnl *** Checks for libxnet    ***
1663         dnl *****************************
1664         case "${host}" in
1665                 *solaris* )
1666                         AC_MSG_CHECKING(for Solaris XPG4 support)
1667                         if test -f /usr/lib/libxnet.so; then
1668                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1669                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1670                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1671                                 LIBS="$LIBS -lxnet"
1672                                 AC_MSG_RESULT(yes)
1673                         else
1674                                 AC_MSG_RESULT(no)
1675                         fi
1676
1677                         if test "$GCC" = "yes"; then
1678                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1679                         fi
1680                 ;;
1681         esac
1682
1683         dnl *****************************
1684         dnl *** Checks for libpthread ***
1685         dnl *****************************
1686 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1687 # and libpthread does not exist
1688 #
1689         case "${host}" in
1690                 *-*-*freebsd*)
1691                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1692                 ;;
1693                 *-*-*openbsd*)
1694                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1695                 ;;
1696                 *)
1697                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1698                 ;;
1699         esac
1700         AC_CHECK_HEADERS(pthread.h)
1701         AC_CHECK_HEADERS(pthread_np.h)
1702         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1703         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1704         AC_CHECK_FUNCS(pthread_kill)
1705         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1706         AC_TRY_COMPILE([ #include <pthread.h>], [
1707                 pthread_mutexattr_t attr;
1708                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1709         ], [
1710                 AC_MSG_RESULT(ok)
1711         ], [
1712                 AC_MSG_RESULT(no)
1713                 AC_ERROR(Posix system lacks support for recursive mutexes)
1714         ])
1715         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1716         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1717         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1718
1719         dnl **********************************
1720         dnl *** Check for mincore ***
1721         dnl **********************************
1722         AC_MSG_CHECKING(for mincore)
1723                 AC_TRY_LINK([
1724                 #include <stdio.h>
1725                 #include <sys/types.h>
1726                 #include <sys/mman.h>
1727         ], [
1728                 mincore(NULL, 0, NULL);
1729         ], [
1730                 # Yes, we have it...
1731                 AC_MSG_RESULT(yes)
1732                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1733         ], [
1734                 AC_MSG_RESULT(no)
1735         ])
1736
1737         dnl ***********************************
1738         dnl *** Checks for working __thread ***
1739         dnl ***********************************
1740         AC_MSG_CHECKING(for working __thread)
1741         if test "x$with_tls" != "x__thread"; then
1742                 AC_MSG_RESULT(disabled)
1743         elif test "x$cross_compiling" = "xyes"; then
1744                 AC_MSG_RESULT(cross compiling, assuming yes)
1745         else
1746                 AC_TRY_RUN([
1747                         #if defined(__APPLE__) && defined(__clang__)
1748                         #error "__thread does not currently work with clang on Mac OS X"
1749                         #endif
1750                         
1751                         #include <pthread.h>
1752                         __thread int i;
1753                         static int res1, res2;
1754
1755                         void thread_main (void *arg)
1756                         {
1757                                 i = arg;
1758                                 sleep (1);
1759                                 if (arg == 1)
1760                                         res1 = (i == arg);
1761                                 else
1762                                         res2 = (i == arg);
1763                         }
1764
1765                         int main () {
1766                                 pthread_t t1, t2;
1767
1768                                 i = 5;
1769
1770                                 pthread_create (&t1, NULL, thread_main, 1);
1771                                 pthread_create (&t2, NULL, thread_main, 2);
1772
1773                                 pthread_join (t1, NULL);
1774                                 pthread_join (t2, NULL);
1775
1776                                 return !(res1 + res2 == 2);
1777                         }
1778                 ], [
1779                                 AC_MSG_RESULT(yes)
1780                 ], [
1781                                 AC_MSG_RESULT(no)
1782                                 with_tls=pthread
1783                 ])
1784         fi
1785
1786         dnl **************************************
1787         dnl *** Checks for working sigaltstack ***
1788         dnl **************************************
1789         AC_MSG_CHECKING(for working sigaltstack)
1790         if test "x$with_sigaltstack" != "xyes"; then
1791                 AC_MSG_RESULT(disabled)
1792         elif test "x$cross_compiling" = "xyes"; then
1793                 AC_MSG_RESULT(cross compiling, assuming yes)
1794         else
1795                 AC_TRY_RUN([
1796                         #include <stdio.h>
1797                         #include <stdlib.h>
1798                         #include <unistd.h>
1799                         #include <signal.h>
1800                         #include <pthread.h>
1801                         #include <sys/wait.h>
1802                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1803                         #define SA_STACK SA_ONSTACK
1804                         #endif
1805                         static void
1806                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1807                         {
1808                                 exit (0);
1809                         }
1810
1811                         volatile char*__ptr = NULL;
1812                         static void *
1813                         loop (void *ignored)
1814                         {
1815                                 *__ptr = 0;
1816                                 return NULL;
1817                         }
1818
1819                         static void
1820                         child ()
1821                         {
1822                                 struct sigaction sa;
1823                         #ifdef __APPLE__
1824                                 stack_t sas;
1825                         #else
1826                                 struct sigaltstack sas;
1827                         #endif
1828                                 pthread_t id;
1829                                 pthread_attr_t attr;
1830
1831                                 sa.sa_sigaction = sigsegv_signal_handler;
1832                                 sigemptyset (&sa.sa_mask);
1833                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1834                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1835                                         perror ("sigaction");
1836                                         return;
1837                                 }
1838
1839                                 /* x86 darwin deliver segfaults using SIGBUS */
1840                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1841                                         perror ("sigaction");
1842                                         return;
1843                                 }
1844                                 sas.ss_sp = malloc (SIGSTKSZ);
1845                                 sas.ss_size = SIGSTKSZ;
1846                                 sas.ss_flags = 0;
1847                                 if (sigaltstack (&sas, NULL) == -1) {
1848                                         perror ("sigaltstack");
1849                                         return;
1850                                 }
1851
1852                                 pthread_attr_init (&attr);
1853                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1854                                         printf ("pthread_create\n");
1855                                         return;
1856                                 }
1857
1858                                 sleep (100);
1859                         }
1860
1861                         int
1862                         main ()
1863                         {
1864                                 pid_t son;
1865                                 int status;
1866                                 int i;
1867
1868                                 son = fork ();
1869                                 if (son == -1) {
1870                                         return 1;
1871                                 }
1872
1873                                 if (son == 0) {
1874                                         child ();
1875                                         return 0;
1876                                 }
1877
1878                                 for (i = 0; i < 300; ++i) {
1879                                         waitpid (son, &status, WNOHANG);
1880                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1881                                                 return 0;
1882                                         usleep (10000);
1883                                 }
1884
1885                                 kill (son, SIGKILL);
1886                                 return 1;
1887                         }
1888
1889                 ], [
1890                                 AC_MSG_RESULT(yes)
1891                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1892                 ], [
1893                                 with_sigaltstack=no
1894                                 AC_MSG_RESULT(no)
1895                 ])
1896         fi
1897
1898         dnl ********************************
1899         dnl *** Checks for semaphore lib ***
1900         dnl ********************************
1901         # 'Real Time' functions on Solaris
1902         # posix4 on Solaris 2.6
1903         # pthread (first!) on Linux
1904         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1905
1906         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1907         AC_CHECK_FUNCS(shm_open)
1908
1909         dnl ********************************
1910         dnl *** Checks for timezone stuff **
1911         dnl ********************************
1912         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1913                 AC_TRY_COMPILE([
1914                         #include <time.h>
1915                         ], [
1916                         struct tm tm;
1917                         tm.tm_gmtoff = 1;
1918                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1919         if test $ac_cv_struct_tm_gmtoff = yes; then
1920                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1921         else
1922                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1923                         AC_TRY_COMPILE([
1924                                 #include <time.h>
1925                         ], [
1926                                 timezone = 1;
1927                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1928                 if test $ac_cv_var_timezone = yes; then
1929                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1930                 else
1931                         AC_ERROR(unable to find a way to determine timezone)
1932                 fi
1933         fi
1934
1935         dnl *********************************
1936         dnl *** Checks for math functions ***
1937         dnl *********************************
1938         AC_SEARCH_LIBS(sqrtf, m)
1939         if test "x$has_broken_apple_cpp" != "xyes"; then
1940                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1941                         AC_TRY_LINK([#include <math.h>], 
1942                         [ finite(0.0); ], 
1943                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1944                         AC_MSG_RESULT(no)))
1945         fi
1946         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1947                 AC_TRY_LINK([#include <math.h>], 
1948                 [ isfinite(0.0); ], 
1949                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1950                 AC_MSG_RESULT(no)))
1951
1952         dnl ****************************************************************
1953         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1954         dnl *** have it in the library (duh))                            ***
1955         dnl ****************************************************************
1956         AC_CHECK_FUNCS(poll)
1957
1958         dnl *************************
1959         dnl *** Check for signbit ***
1960         dnl *************************
1961         AC_MSG_CHECKING(for signbit)
1962         AC_TRY_LINK([#include <math.h>], [
1963                 int s = signbit(1.0);
1964         ], [
1965                 AC_MSG_RESULT(yes)
1966                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1967         ], [
1968                 AC_MSG_RESULT(no)
1969         ]) 
1970
1971         dnl **********************************
1972         dnl *** epoll                      ***
1973         dnl **********************************
1974         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1975                 AC_CHECK_HEADERS(sys/epoll.h)
1976                 haveepoll=no
1977                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1978                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1979                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1980                 fi
1981         fi
1982
1983         havekqueue=no
1984
1985         AC_CHECK_HEADERS(sys/event.h)
1986         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1987
1988         dnl **************************************
1989         dnl * Darwin has a race that prevents us from using reliably:
1990         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1991         dnl * Since kqueue is mostly used for scaling large web servers, 
1992         dnl * and very few folks run Mono on large web servers on OSX, falling
1993         dnl * back 
1994         dnl **************************************
1995         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1996                 if test "x$platform_darwin" = "xno"; then
1997                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1998                 fi
1999         fi
2000
2001         dnl ******************************
2002         dnl *** Checks for SIOCGIFCONF ***
2003         dnl ******************************
2004         AC_CHECK_HEADERS(sys/ioctl.h)
2005         AC_CHECK_HEADERS(net/if.h, [], [],
2006            [
2007            #ifdef HAVE_SYS_TYPES_H
2008            # include <sys/types.h>
2009            #endif
2010            #ifdef HAVE_SYS_SOCKET_H
2011            # include <sys/socket.h>
2012            #endif
2013            ])
2014         AC_MSG_CHECKING(for ifreq)
2015         AC_TRY_COMPILE([
2016                 #include <stdio.h>
2017                 #include <sys/ioctl.h>
2018                 #include <net/if.h>
2019                 ], [
2020                 struct ifconf ifc;
2021                 struct ifreq *ifr;
2022                 void *x;
2023                 ifc.ifc_len = 0;
2024                 ifc.ifc_buf = NULL;
2025                 x = (void *) &ifr->ifr_addr;
2026                 ],[
2027                         AC_MSG_RESULT(yes)
2028                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2029                 ], [
2030                         AC_MSG_RESULT(no)
2031                 ])
2032         dnl **********************************
2033         dnl ***     Checks for sin_len     ***
2034         dnl **********************************
2035         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2036         AC_TRY_COMPILE([
2037                 #include <netinet/in.h>
2038                 ], [
2039                 struct sockaddr_in saddr;
2040                 saddr.sin_len = sizeof (saddr);
2041                 ],[
2042                         AC_MSG_RESULT(yes)
2043                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2044                 ], [
2045                         AC_MSG_RESULT(no)
2046                 ])      
2047         dnl **********************************
2048         dnl ***    Checks for sin6_len     ***
2049         dnl **********************************
2050         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2051         AC_TRY_COMPILE([
2052                 #include <netinet/in.h>
2053                 ], [
2054                 struct sockaddr_in6 saddr6;
2055                 saddr6.sin6_len = sizeof (saddr6);
2056                 ],[
2057                         AC_MSG_RESULT(yes)
2058                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2059                 ], [
2060                         AC_MSG_RESULT(no)
2061                 ])
2062         dnl **********************************
2063         dnl *** Check for getifaddrs       ***
2064         dnl **********************************
2065         AC_MSG_CHECKING(for getifaddrs)
2066                 AC_TRY_LINK([
2067                 #include <stdio.h>
2068                 #include <sys/types.h>
2069                 #include <sys/socket.h>
2070                 #include <ifaddrs.h>
2071         ], [
2072                 getifaddrs(NULL);
2073         ], [
2074                 # Yes, we have it...
2075                 AC_MSG_RESULT(yes)
2076                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2077         ], [
2078                 AC_MSG_RESULT(no)
2079         ])
2080         dnl **********************************
2081         dnl *** Check for if_nametoindex   ***
2082         dnl **********************************
2083         AC_MSG_CHECKING(for if_nametoindex)
2084                 AC_TRY_LINK([
2085                 #include <stdio.h>
2086                 #include <sys/types.h>
2087                 #include <sys/socket.h>
2088                 #include <net/if.h>
2089         ], [
2090                 if_nametoindex(NULL);
2091         ], [
2092                 # Yes, we have it...
2093                 AC_MSG_RESULT(yes)
2094                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2095         ], [
2096                 AC_MSG_RESULT(no)
2097         ])
2098                         
2099         dnl **********************************
2100         dnl *** Checks for MonoPosixHelper ***
2101         dnl **********************************
2102         AC_CHECK_HEADERS(checklist.h)
2103         AC_CHECK_HEADERS(pathconf.h)
2104         AC_CHECK_HEADERS(fstab.h)
2105         AC_CHECK_HEADERS(attr/xattr.h)
2106         AC_CHECK_HEADERS(sys/extattr.h)
2107         AC_CHECK_HEADERS(sys/sendfile.h)
2108         AC_CHECK_HEADERS(sys/statvfs.h)
2109         AC_CHECK_HEADERS(sys/statfs.h)
2110         AC_CHECK_HEADERS(sys/vfstab.h)
2111         AC_CHECK_HEADERS(sys/xattr.h)
2112         AC_CHECK_HEADERS(sys/mman.h)
2113         AC_CHECK_HEADERS(sys/param.h)
2114         AC_CHECK_HEADERS(sys/mount.h, [], [],
2115                 [
2116                 #ifdef HAVE_SYS_PARAM_H
2117                 # include <sys/param.h>
2118                 #endif
2119                 ])
2120         AC_CHECK_HEADERS(sys/mount.h)
2121         AC_CHECK_FUNCS(confstr)
2122         AC_CHECK_FUNCS(seekdir telldir)
2123         AC_CHECK_FUNCS(getdomainname)
2124         AC_CHECK_FUNCS(setdomainname)
2125         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2126         AC_CHECK_FUNCS(setgroups)
2127         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2128         AC_CHECK_FUNCS(getfsstat)
2129         AC_CHECK_FUNCS(lutimes futimes)
2130         AC_CHECK_FUNCS(mremap)
2131         AC_CHECK_FUNCS(remap_file_pages)
2132         AC_CHECK_FUNCS(posix_fadvise)
2133         AC_CHECK_FUNCS(posix_fallocate)
2134         AC_CHECK_FUNCS(posix_madvise)
2135         AC_CHECK_FUNCS(vsnprintf)
2136         AC_CHECK_FUNCS(sendfile)
2137         AC_CHECK_FUNCS(gethostid sethostid)
2138         AC_CHECK_FUNCS(sethostname)
2139         AC_CHECK_FUNCS(statfs)
2140         AC_CHECK_FUNCS(fstatfs)
2141         AC_CHECK_FUNCS(statvfs)
2142         AC_CHECK_FUNCS(fstatvfs)
2143         AC_CHECK_FUNCS(stime)
2144         AC_CHECK_FUNCS(strerror_r)
2145         AC_CHECK_FUNCS(ttyname_r)
2146         AC_CHECK_FUNCS(psignal)
2147         AC_CHECK_FUNCS(getlogin_r)
2148         AC_CHECK_FUNCS(lockf)
2149         AC_CHECK_FUNCS(swab)
2150         AC_CHECK_FUNCS(setusershell endusershell)
2151         AC_CHECK_FUNCS(futimens utimensat)
2152         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2153         AC_CHECK_FUNCS(readv writev preadv pwritev)
2154         AC_CHECK_FUNCS(setpgid)
2155         AC_CHECK_SIZEOF(size_t)
2156         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2157                 [#include <sys/types.h>
2158                  #include <sys/stat.h>
2159                  #include <unistd.h>])
2160         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2161                 [#include <sys/types.h>
2162                  #include <sys/stat.h>
2163                  #include <unistd.h>])
2164         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2165                 [#include <sys/time.h>])
2166         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2167                 [#include <unistd.h>
2168                  #include <fcntl.h>])
2169         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2170                 [#include <sys/uio.h>])
2171         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2172                 [#include <sys/poll.h>])
2173         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2174                 [#include <sys/types.h>
2175                  #include <sys/stat.h>
2176                  #include <unistd.h>])
2177         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2178                 [#include <time.h>])
2179         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2180                 [#include <sys/time.h>
2181                  #include <sys/types.h>
2182                  #include <utime.h>])
2183         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2184                 [#include <sys/time.h>])
2185         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2186                 [#include <sys/types.h>
2187                  #include <utime.h>])
2188         AC_CHECK_MEMBERS(
2189                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2190                 [#include <sys/types.h>
2191                  #include <dirent.h>])
2192         AC_CHECK_MEMBERS(
2193                 [struct passwd.pw_gecos],,, 
2194                 [#include <sys/types.h>
2195                  #include <pwd.h>])
2196         AC_CHECK_MEMBERS(
2197                 [struct statfs.f_flags],,, 
2198                 [#include <sys/types.h>
2199                  #include <sys/vfs.h>])
2200         AC_CHECK_MEMBERS(
2201                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2202                 [#include <sys/types.h>
2203                  #include <sys/stat.h>
2204                  #include <unistd.h>])
2205
2206         dnl Favour xattr through glibc, but use libattr if we have to
2207         AC_CHECK_FUNC(lsetxattr, ,
2208                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2209         )
2210         AC_SUBST(XATTR_LIB)
2211
2212         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2213         AC_CHECK_MEMBERS(
2214                 [struct kinfo_proc.kp_proc],,, 
2215                 [#include <sys/types.h>
2216                  #include <sys/param.h>
2217                  #include <sys/sysctl.h>
2218                  #include <sys/proc.h>
2219                  ])
2220
2221         dnl *********************************
2222         dnl *** Checks for Windows compilation ***
2223         dnl *********************************
2224         AC_CHECK_HEADERS(sys/time.h)
2225         AC_CHECK_HEADERS(sys/param.h)
2226         AC_CHECK_HEADERS(dirent.h)
2227
2228         dnl ******************************************
2229         dnl *** Checks for OSX and iOS compilation ***
2230         dnl ******************************************
2231         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2232
2233         dnl *********************************
2234         dnl *** Check for Console 2.0 I/O ***
2235         dnl *********************************
2236         AC_CHECK_HEADERS([curses.h])
2237         AC_CHECK_HEADERS([term.h], [], [],
2238         [#if HAVE_CURSES_H
2239          #include <curses.h>
2240          #endif
2241         ])
2242         AC_CHECK_HEADERS([termios.h])
2243
2244         dnl * This is provided in io-layer, but on windows it's only available
2245         dnl * on xp+
2246         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2247 else
2248         dnl *********************************
2249         dnl *** Checks for Windows compilation ***
2250         dnl *********************************
2251         AC_CHECK_HEADERS(winternl.h)
2252
2253         jdk_headers_found=no
2254         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2255         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2256         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2257         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2258         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2259         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2260         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2261
2262         dnl *********************************
2263         dnl *** Check for struct ip_mreqn ***
2264         dnl *********************************
2265         AC_MSG_CHECKING(for struct ip_mreqn)
2266         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2267                 struct ip_mreqn mreq;
2268                 mreq.imr_address.s_addr = 0;
2269         ], [
2270                 # Yes, we have it...
2271                 AC_MSG_RESULT(yes)
2272                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2273         ], [
2274                 # We'll just have to try and use struct ip_mreq
2275                 AC_MSG_RESULT(no)
2276                 AC_MSG_CHECKING(for struct ip_mreq)
2277                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2278                         struct ip_mreq mreq;
2279                         mreq.imr_interface.s_addr = 0;
2280                 ], [
2281                         # Yes, we have it...
2282                         AC_MSG_RESULT(yes)
2283                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2284                 ], [
2285                         # No multicast support
2286                         AC_MSG_RESULT(no)
2287                 ])
2288         ])
2289
2290         dnl **********************************
2291         dnl *** Check for getaddrinfo ***
2292         dnl **********************************
2293         AC_MSG_CHECKING(for getaddrinfo)
2294                 AC_TRY_LINK([
2295                 #include <stdio.h>
2296                 #include <winsock2.h>
2297                 #include <ws2tcpip.h>
2298         ], [
2299                 getaddrinfo(NULL,NULL,NULL,NULL);
2300         ], [
2301                 # Yes, we have it...
2302                 AC_MSG_RESULT(yes)
2303                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2304         ], [
2305                 AC_MSG_RESULT(no)
2306         ])
2307
2308         dnl **********************************
2309         dnl *** Check for gethostbyname ***
2310         dnl **********************************
2311         AC_MSG_CHECKING(for gethostbyname)
2312                 AC_TRY_LINK([
2313                 #include <stdio.h>
2314                 #include <winsock2.h>
2315                 #include <ws2tcpip.h>
2316         ], [
2317                 gethostbyname(NULL);
2318         ], [
2319                 # Yes, we have it...
2320                 AC_MSG_RESULT(yes)
2321                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2322         ], [
2323                 AC_MSG_RESULT(no)
2324         ])
2325
2326         dnl **********************************
2327         dnl *** Check for getprotobyname ***
2328         dnl **********************************
2329         AC_MSG_CHECKING(for getprotobyname)
2330                 AC_TRY_LINK([
2331                 #include <stdio.h>
2332                 #include <winsock2.h>
2333                 #include <ws2tcpip.h>
2334         ], [
2335                 getprotobyname(NULL);
2336         ], [
2337                 # Yes, we have it...
2338                 AC_MSG_RESULT(yes)
2339                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2340         ], [
2341                 AC_MSG_RESULT(no)
2342         ])
2343
2344         dnl **********************************
2345         dnl *** Check for getnameinfo ***
2346         dnl **********************************
2347         AC_MSG_CHECKING(for getnameinfo)
2348                 AC_TRY_LINK([
2349                 #include <stdio.h>
2350                 #include <winsock2.h>
2351                 #include <ws2tcpip.h>
2352         ], [
2353                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2354         ], [
2355                 # Yes, we have it...
2356                 AC_MSG_RESULT(yes)
2357                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2358         ], [
2359                 AC_MSG_RESULT(no)
2360         ])
2361
2362         dnl **********************************
2363         dnl *** Check for inet_ntop ***
2364         dnl **********************************
2365         AC_MSG_CHECKING(for inet_ntop)
2366                 AC_TRY_LINK([
2367                 #include <stdio.h>
2368                 #include <winsock2.h>
2369                 #include <ws2tcpip.h>
2370         ], [
2371                 inet_ntop (0, NULL, NULL, 0);
2372         ], [
2373                 # Yes, we have it...
2374                 AC_MSG_RESULT(yes)
2375                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2376         ], [
2377                 AC_MSG_RESULT(no)
2378         ])
2379
2380         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2381         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2382         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2383         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2384         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2385         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2386         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2387
2388         AC_MSG_CHECKING(for GetProcessId)
2389         AC_TRY_COMPILE([#include <windows.h>], [
2390                 GetProcessId (0);
2391         ], [
2392            AC_MSG_RESULT(yes)
2393            AC_DEFINE(HAVE_GETPROCESSID)
2394         ], [
2395            AC_MSG_RESULT(no)
2396         ])
2397 fi
2398
2399 dnl socklen_t check
2400 AC_MSG_CHECKING(for socklen_t)
2401 AC_TRY_COMPILE([
2402 #include <sys/types.h>
2403 #include <sys/socket.h>
2404 ],[
2405   socklen_t foo;
2406 ],[
2407 ac_cv_c_socklen_t=yes
2408         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2409         AC_MSG_RESULT(yes)
2410 ],[
2411         AC_MSG_RESULT(no)
2412 ])
2413
2414 AC_MSG_CHECKING(for array element initializer support)
2415 AC_TRY_COMPILE([#include <sys/socket.h>], [
2416         const int array[] = {[1] = 2,};
2417 ], [
2418         # Yes, we have it...
2419         AC_MSG_RESULT(yes)
2420         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2421 ], [
2422         # We'll have to use signals
2423         AC_MSG_RESULT(no)
2424 ])
2425
2426 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2427         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2428         AC_TRY_LINK([#include <math.h>], 
2429         [ static void *p = &trunc; ],
2430         [
2431                 AC_DEFINE(HAVE_TRUNC) 
2432                 AC_MSG_RESULT(yes)
2433                 ac_cv_trunc=yes
2434         ],
2435         AC_MSG_RESULT(no)))
2436
2437 if test "x$ac_cv_truncl" != "xyes"; then
2438    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2439 fi
2440
2441 AC_CHECK_FUNCS(round)
2442 AC_CHECK_FUNCS(rint)
2443 AC_CHECK_FUNCS(execvp)
2444
2445 dnl ****************************
2446 dnl *** Look for /dev/random ***
2447 dnl ****************************
2448
2449 AC_MSG_CHECKING([if usage of random device is requested])
2450 AC_ARG_ENABLE(dev-random,
2451 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2452 try_dev_random=$enableval, try_dev_random=yes)
2453
2454 AC_MSG_RESULT($try_dev_random)
2455
2456 case "{$build}" in
2457     *-openbsd*)
2458     NAME_DEV_RANDOM="/dev/srandom"
2459     ;;
2460
2461 dnl Win32 does not have /dev/random, they have their own method...
2462
2463     *-mingw*|*-*-cygwin*)
2464     ac_cv_have_dev_random=no
2465     ;;
2466
2467 dnl Everywhere else, it's /dev/random
2468
2469     *)
2470     NAME_DEV_RANDOM="/dev/random"
2471     ;;
2472 esac
2473
2474 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2475
2476 dnl Now check if the device actually exists
2477
2478 if test "x$try_dev_random" = "xyes"; then
2479     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2480     [if test -r "$NAME_DEV_RANDOM" ; then
2481         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2482     if test "x$ac_cv_have_dev_random" = "xyes"; then
2483         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2484     fi
2485 else
2486     AC_MSG_CHECKING(for random device)
2487     ac_cv_have_dev_random=no
2488     AC_MSG_RESULT(has been disabled)
2489 fi
2490
2491 if test "x$host_win32" = "xyes"; then
2492     AC_DEFINE(HAVE_CRYPT_RNG)
2493 fi
2494
2495 if test "x$ac_cv_have_dev_random" = "xno" \
2496     && test "x$host_win32" = "xno"; then
2497     AC_MSG_WARN([[
2498 ***
2499 *** A system-provided entropy source was not found on this system.
2500 *** Because of this, the System.Security.Cryptography random number generator
2501 *** will throw a NotImplemented exception.
2502 ***
2503 *** If you are seeing this message, and you know your system DOES have an
2504 *** entropy collection in place, please contact <crichton@gimp.org> and
2505 *** provide information about the system and how to access the random device.
2506 ***
2507 *** Otherwise you can install either egd or prngd and set the environment
2508 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2509 ***]])
2510 fi
2511  
2512 AC_MSG_CHECKING([if inter-process shared handles are requested])
2513 # Same as --enable-minimal=shared_handles
2514 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2515 AC_MSG_RESULT($try_shared_handles)
2516 if test "x$try_shared_handles" != "xyes"; then
2517         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2518         AC_SUBST(DISABLE_SHARED_HANDLES)
2519 fi
2520
2521 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2522
2523 AC_MSG_CHECKING([if big-arrays are to be enabled])
2524 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2525 if test "x$enable_big_arrays" = "xyes" ; then
2526     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2527         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2528     else
2529         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2530     fi
2531 fi
2532 AC_MSG_RESULT($enable_big_arrays)
2533
2534 dnl **************
2535 dnl *** DTRACE ***
2536 dnl **************
2537
2538 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2539
2540 if test "x$enable_dtrace" = "xyes"; then
2541    if test "x$has_dtrace" = "xno"; then
2542           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2543    fi
2544    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2545    if test "x$DTRACE" = "xno"; then
2546           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2547           enable_dtrace=no
2548    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2549           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2550           enable_dtrace=no
2551    fi
2552 fi
2553
2554 dtrace_g=no
2555 if test "x$enable_dtrace" = "xyes"; then
2556         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2557         DTRACEFLAGS=
2558         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2559                 case "$host" in
2560                         powerpc-*-darwin*)
2561                         DTRACEFLAGS="-arch ppc64"
2562                         ;;
2563                         i*86-*-darwin*)
2564                         DTRACEFLAGS="-arch x86_64"
2565                         ;;
2566                         *)
2567                         DTRACEFLAGS=-64
2568                         ;;
2569                 esac
2570         else
2571                 case "$host" in
2572                         powerpc-*-darwin*)
2573                         DTRACEFLAGS="-arch ppc"
2574                         ;;
2575                         i*86-*-darwin*)
2576                         DTRACEFLAGS="-arch i386"
2577                         ;;
2578                         *)
2579                         DTRACEFLAGS=-32
2580                         ;;
2581                 esac
2582         fi
2583         AC_SUBST(DTRACEFLAGS)
2584         case "$host" in
2585                 *-*-solaris*)
2586                 dtrace_g=yes
2587                 ;;
2588         esac
2589         AC_CHECK_HEADERS([sys/sdt.h])
2590 fi
2591 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2592 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2593
2594 dnl **************
2595 dnl ***  NaCl  ***
2596 dnl **************
2597
2598 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2599 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2600
2601 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2602
2603 dnl
2604 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2605 dnl
2606 nacl_self_host=""
2607 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2608    nacl_self_host="nacl_self_host"
2609 fi
2610 AC_SUBST(nacl_self_host)
2611
2612 if test "x$enable_nacl_codegen" = "xyes"; then
2613    MONO_NACL_ALIGN_MASK_OFF=1
2614    AC_DEFINE(TARGET_NACL, 1, [...])
2615    AC_DEFINE(__native_client_codegen__, 1, [...])
2616 else
2617    MONO_NACL_ALIGN_MASK_OFF=0
2618    AC_DEFINE(__default_codegen__, 1, [...])
2619 fi
2620 if test "x$enable_nacl_gc" = "xyes"; then
2621    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2622       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2623    else
2624       # Not yet implemented
2625       INSTRUMENT_CFLAG=""
2626    fi
2627    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2628 fi
2629 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2630
2631 dnl **************
2632 dnl ***  LLVM  ***
2633 dnl **************
2634
2635 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2636 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2637 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2638
2639 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2640
2641 if test "x$enable_llvm" = "xyes"; then
2642    if test "x$with_llvm" != "x"; then
2643           LLVM_CONFIG=$with_llvm/bin/llvm-config
2644           if test x$target_win32 = xyes; then
2645                 LLVM_CONFIG=$LLVM_CONFIG.exe
2646           fi
2647           if test ! -x $LLVM_CONFIG; then
2648                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2649       fi
2650    else
2651       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2652       if test "x$LLVM_CONFIG" = "xno"; then
2653              AC_MSG_ERROR([llvm-config not found.])
2654       fi
2655    fi
2656
2657    llvm_codegen="x86codegen"
2658    case "$target" in
2659    arm*)
2660                 llvm_codegen="armcodegen"
2661                 ;;
2662    esac
2663
2664    if test "x$target_win32" = "xno"; then
2665
2666    # The output of --cflags seems to include optimizations flags too
2667    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2668    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2669    # from LLVM classes.
2670    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2671    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2672    # This might include empty lines
2673    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2674    if test "x$host" != "x$target"; then
2675       # No need for jit libs
2676       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2677    else
2678       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2679    fi
2680    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS -lstdc++"
2681
2682    expected_llvm_version="3.4svn-mono-mono/e656cac"
2683
2684    # Should be something like '2.6' or '2.7svn'
2685    llvm_version=`$LLVM_CONFIG --version`
2686    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2687    AC_MSG_CHECKING(LLVM version)
2688    AC_MSG_RESULT($llvm_version)
2689    if echo $llvm_version | grep -q 'mono'; then
2690           if test "x$enable_llvm_version_check" == "xyes"; then
2691                  if test "$llvm_version" != "$expected_llvm_version"; then
2692                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2693                  fi
2694           fi
2695    else
2696           AC_MSG_ERROR([Compiling with stock LLVM is not supported, please use the Mono LLVM repo at https://github.com/mono/llvm, with the GIT branch which matches this version of mono, i.e. 'mono-2-10' for Mono 2.10.])
2697    fi
2698
2699    else
2700        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2701        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-exceptions -fno-rtti -Woverloaded-virtual -Wcast-qual"
2702        LLVM_LDFLAGS="-L$with_llvm/lib"
2703        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2704        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2705          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2706          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2707          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2708          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2709          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2710          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2711          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2712          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2713          -lLLVMSupport -lstdc++"
2714        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2715
2716        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2717        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2718    fi  
2719
2720    if test "x$llvm_api_version" = "x"; then
2721           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2722           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2723    else
2724           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2725           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2726    fi   
2727
2728    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2729
2730    AC_SUBST(LLVM_CFLAGS)
2731    AC_SUBST(LLVM_CXXFLAGS)
2732    AC_SUBST(LLVM_LIBS)
2733    AC_SUBST(LLVM_LDFLAGS)
2734    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2735 fi
2736
2737 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2738 if test "x$enable_loadedllvm" = "xyes"; then
2739    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2740 fi
2741 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2742
2743 TARGET="unknown"
2744 ACCESS_UNALIGNED="yes"
2745
2746 LIBC="libc.so.6"
2747 INTL="libc.so.6"
2748 SQLITE="libsqlite.so.0"
2749 SQLITE3="libsqlite3.so.0"
2750 X11="libX11.so"
2751 GDKX11="libgdk-x11-2.0.so.0"
2752 GTKX11="libgtk-x11-2.0.so.0"
2753 XINERAMA="libXinerama.so.1"
2754
2755 sizeof_register="SIZEOF_VOID_P"
2756
2757 jit_wanted=true
2758 sgen_supported=false
2759 boehm_supported=true
2760 case "$host" in
2761         mips*)
2762                 TARGET=MIPS;
2763                 arch_target=mips;
2764                 sgen_supported=true
2765                 ACCESS_UNALIGNED="no"
2766
2767                 AC_MSG_CHECKING(for mips n32)
2768                 AC_TRY_COMPILE([],[
2769                 #if _MIPS_SIM != _ABIN32
2770                 #error Not mips n32
2771                 #endif
2772                 return 0;
2773                 ],[
2774                 AC_MSG_RESULT(yes)
2775                 sizeof_register=8
2776                 ],[
2777                 AC_MSG_RESULT(no)
2778                 ])
2779                 ;;
2780         i*86-*-*)
2781                 TARGET=X86;
2782                 arch_target=x86;
2783                 case $host_os in
2784                   solaris*)
2785                         LIBC="libc.so"
2786                         INTL="libintl.so"
2787                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2788                                 TARGET=AMD64
2789                                 arch_target=amd64
2790                         fi
2791
2792                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2793                         # int astruct __attribute__ ((visibility ("hidden")));
2794                         # void foo ()
2795                         # {
2796                         #       void *p = &astruct;
2797                         # }
2798                         # gcc -fPIC --shared -o libfoo.so foo.c
2799                         # yields:
2800                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2801                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2802                         have_visibility_hidden=no
2803                         sgen_supported=true
2804                         ;;
2805                   mingw*|cygwin*)
2806                         sgen_supported=true
2807                         have_visibility_hidden=no                 
2808                         ;;
2809                   haiku*)
2810                         LIBC=libroot.so
2811                         ;;
2812                   linux*)
2813                         sgen_supported=true
2814                         AOT_SUPPORTED="yes"
2815                         ;;
2816                   darwin*)
2817                         sgen_supported=true
2818                         AOT_SUPPORTED="yes"
2819                         ;;
2820                   openbsd*|freebsd*|kfreebsd-gnu*)
2821                         sgen_supported=true
2822                         ;;
2823                 esac
2824                 ;;
2825         x86_64-*-* | amd64-*-*)
2826                 TARGET=AMD64;
2827                 arch_target=amd64;
2828                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2829                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2830                         sizeof_register=8
2831                 fi
2832                 case $host_os in
2833                   linux*)
2834                         sgen_supported=true
2835                         AOT_SUPPORTED="yes"
2836                         ;;
2837                   darwin*)
2838                         sgen_supported=true
2839                         AOT_SUPPORTED="yes"
2840                         ;;
2841                   openbsd*|freebsd*|kfreebsd-gnu*)
2842                         sgen_supported=true
2843                         ;;
2844                   mingw*)
2845                         sgen_supported=true
2846                         ;;
2847                 esac
2848                 case "$host" in
2849                         x86_64-*-nacl*)
2850                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2851                                 sizeof_register=8
2852                                 ;;
2853                 esac
2854                 ;;
2855         ia64-*-*)
2856                 TARGET=IA64
2857                 arch_target=ia64
2858                 ACCESS_UNALIGNED="no"
2859                 LIBC="libc.so.6.1"
2860                 INTL="libc.so.6.1"
2861                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2862                 libmono_ldflags="-lunwind"
2863                 ;;
2864         sparc*-*-*)
2865                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2866                    TARGET=SPARC64
2867                 else
2868                         TARGET=SPARC
2869                 fi
2870                 arch_target=sparc;
2871                 ACCESS_UNALIGNED="no"
2872                 case $host_os in
2873                   linux*) ;;
2874                   *)
2875                         LIBC="libc.so"
2876                         INTL="libintl.so"
2877                 esac
2878                 if test x"$GCC" = xyes; then
2879                         # We don't support v8 cpus
2880                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2881                 fi
2882                 if test x"$AR" = xfalse; then
2883                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2884                 fi
2885                 sgen_supported=true
2886                 ;;
2887         *-mingw*|*-*-cygwin*)
2888                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2889                 have_visibility_hidden=no
2890                 INTL="intl"
2891                 ;;
2892         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2893         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2894                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2895                         TARGET=POWERPC64;
2896                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2897                         CFLAGS="$CFLAGS -mminimal-toc"
2898                 else
2899                         TARGET=POWERPC;
2900                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2901                 fi
2902                 arch_target=ppc;
2903                 case $host_os in
2904                   linux*|darwin*)
2905                         sgen_supported=true
2906                         ;;
2907                 esac
2908                 ;;
2909         arm*-darwin*)
2910                 TARGET=ARM;
2911                 arch_target=arm;
2912                 ACCESS_UNALIGNED="no"
2913                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2914                 sgen_supported=true
2915                 ;;
2916         arm*-linux*)
2917                 TARGET=ARM;
2918                 arch_target=arm;
2919                 ACCESS_UNALIGNED="no"
2920                 sgen_supported=true
2921                 AOT_SUPPORTED="yes"
2922                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2923                 ;;
2924 # TODO: make proper support for NaCl host.
2925 #        arm*-*nacl)
2926 #               TARGET=ARM;
2927 #               arch_target=arm;
2928 #               ACCESS_UNALIGNED="no"
2929 #               sgen_supported=true
2930 #               AOT_SUPPORTED="no"
2931 #               ;;
2932         aarch64-*)
2933                 # https://lkml.org/lkml/2012/7/15/133
2934                 TARGET=ARM64
2935                 arch_target=arm64
2936                 sgen_supported=true
2937                 boehm_supported=false
2938                 ;;
2939         s390x-*-linux*)
2940                 TARGET=S390X;
2941                 arch_target=s390x;
2942                 ACCESS_UNALIGNED="yes"
2943                 sgen_supported=true
2944                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2945                 ;;
2946 esac
2947
2948 HOST=$TARGET
2949
2950 if test "x$host" != "x$target"; then
2951    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2952    enable_mcs_build=no
2953    case "$target" in
2954    arm*-darwin*)
2955                 TARGET=ARM;
2956                 arch_target=arm;
2957                 ACCESS_UNALIGNED="no"
2958                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2959                 # Can't use tls, since it depends on the runtime detection of tls offsets
2960                 # in mono-compiler.h
2961                 with_tls=pthread
2962                 ;;
2963    powerpc64-ps3-linux-gnu)
2964                 TARGET=POWERPC64
2965                 arch_target=powerpc64
2966                 AC_DEFINE(TARGET_PS3, 1, [...])
2967                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2968                 # uses this define
2969                 AC_DEFINE(__mono_ppc64__, 1, [...])
2970                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2971                 sizeof_register=8
2972                 target_byte_order=G_BIG_ENDIAN
2973                 ;;
2974    powerpc64-xbox360-linux-gnu)
2975                 TARGET=POWERPC64
2976                 arch_target=powerpc64
2977                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2978                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2979                 # uses this define
2980                 sizeof_register=8
2981                 target_byte_order=G_BIG_ENDIAN
2982                 ;;
2983    x86_64-*-nacl)
2984                 TARGET=AMD64
2985                 arch_target=amd64
2986                 AC_DEFINE(TARGET_AMD64, 1, [...])
2987                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2988                 sizeof_register=8
2989                 ;;
2990 # TODO: make proper support for NaCl target.
2991 #   arm*-*nacl)
2992 #               TARGET=ARM
2993 #               arch_target=arm
2994 #               AC_DEFINE(TARGET_ARM, 1, [...])
2995 #               ACCESS_UNALIGNED="no"
2996 #               sizeof_register=4
2997 #               CPPFLAGS="$CPPFLAGS \
2998 #                    -D__ARM_EABI__ \
2999 #                    -D__arm__ \
3000 #                    -D__portable_native_client__ \
3001 #                    -Dtimezone=_timezone \
3002 #                    -DDISABLE_SOCKETS \
3003 #                    -DDISABLE_ATTACH \
3004 #                    -DUSE_NEWLIB"
3005                 # Can't use tls, since it depends on the runtime detection of tls offsets
3006                 # in mono-compiler.h
3007 #               with_tls=pthread
3008 #               ;;
3009    i686-*-nacl)
3010                 TARGET=X86
3011                 arch_target=x86
3012                 AC_DEFINE(TARGET_X86, 1, [...])
3013                 sizeof_register=4
3014                 ;;
3015    arm*-linux-*)
3016                 TARGET=ARM;
3017                 arch_target=arm;
3018                 AC_DEFINE(TARGET_ARM, 1, [...])
3019                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3020                 ACCESS_UNALIGNED="no"
3021                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3022                 # Can't use tls, since it depends on the runtime detection of tls offsets
3023                 # in mono-compiler.h
3024                 with_tls=pthread
3025                 target_mach=no
3026                 case "$target" in
3027                 armv7l-unknown-linux-gnueabi*)
3028                         # TEGRA
3029                         CPPFLAGS="$CPPFLAGS"
3030                         ;;
3031                 armv5-*-linux-androideabi*)
3032                         CPPFLAGS="$CPPFLAGS"
3033                         ;;
3034                 esac
3035                 ;;
3036    i686*-linux-*)
3037                 TARGET=X86;
3038                 arch_target=x86;
3039                 AC_DEFINE(TARGET_X86, 1, [...])
3040                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3041                 CPPFLAGS="$CPPFLAGS"
3042                 sgen_supported=true
3043                 # Can't use tls, since it depends on the runtime detection of tls offsets
3044                 # in mono-compiler.h            
3045                 with_tls=pthread
3046                 target_mach=no
3047                 ;;
3048    x86_64*-linux-*)
3049                 TARGET=AMD64;
3050                 arch_target=amd64;
3051                 AC_DEFINE(TARGET_AMD64, 1, [...])
3052                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3053                 CPPFLAGS="$CPPFLAGS"
3054                 sgen_supported=true
3055                 # Can't use tls, since it depends on the runtime detection of tls offsets
3056                 # in mono-compiler.h
3057                 with_tls=pthread
3058                 target_mach=no
3059                 ;;
3060    aarch64*-linux-*)
3061                 TARGET=ARM64;
3062                 arch_target=arm64;
3063                 AC_DEFINE(TARGET_ARM64, 1, [...])
3064                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3065                 CPPFLAGS="$CPPFLAGS"
3066                 # Can't use tls, since it depends on the runtime detection of tls offsets
3067                 # in mono-compiler.h
3068                 with_tls=pthread
3069                 target_mach=no
3070                 ;;
3071         aarch64-*)
3072                 TARGET=ARM64
3073                 ;;
3074         *)
3075                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3076         esac
3077 fi
3078
3079 case "$TARGET" in
3080 X86)
3081         AC_DEFINE(TARGET_X86, 1, [...])
3082         ;;
3083 AMD64)
3084         AC_DEFINE(TARGET_AMD64, 1, [...])
3085         ;;
3086 ARM)
3087         AC_DEFINE(TARGET_ARM, 1, [...])
3088         ;;
3089 ARM64)
3090         AC_DEFINE(TARGET_ARM64, 1, [...])
3091         ;;
3092 POWERPC)
3093         AC_DEFINE(TARGET_POWERPC, 1, [...])
3094         ;;
3095 POWERPC64)
3096         AC_DEFINE(TARGET_POWERPC, 1, [...])
3097         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3098         ;;
3099 S390X)
3100         AC_DEFINE(TARGET_S390X, 1, [...])
3101         ;;
3102 MIPS)
3103         AC_DEFINE(TARGET_MIPS, 1, [...])
3104         ;;
3105 IA64)
3106         AC_DEFINE(TARGET_IA64, 1, [...])
3107         ;;
3108 SPARC)
3109         AC_DEFINE(TARGET_SPARC, 1, [...])
3110         ;;
3111 SPARC64)
3112         AC_DEFINE(TARGET_SPARC64, 1, [...])
3113         ;;
3114 esac
3115
3116 dnl *************
3117 dnl *** VTUNE ***
3118 dnl *************
3119
3120 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3121 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3122
3123 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3124
3125 if test "x$enable_vtune" = "xyes"; then
3126         if test "x$with_vtune" = "x"; then
3127                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3128         else
3129                 VTUNE_PATH=$with_vtune
3130         fi
3131         VTUNE_INCLUDE=$VTUNE_PATH/include
3132         case "$TARGET" in
3133         X86)
3134                 VTUNE_LIB=$VTUNE_PATH/lib32
3135                 ;;
3136         AMD64)
3137                 VTUNE_LIB=$VTUNE_PATH/lib64
3138                 ;;
3139         *)
3140                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3141                 ;;
3142         esac
3143         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3144                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3145         fi
3146         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3147                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3148         fi
3149
3150         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3151         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3152
3153         AC_SUBST(VTUNE_LIBS)
3154         AC_SUBST(VTUNE_CFLAGS)
3155 fi
3156 dnl Use GCC atomic ops if they work on the target.
3157 if test x$GCC = "xyes"; then
3158         case $TARGET in
3159         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3160                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3161                 ;;
3162         esac
3163 fi
3164
3165 if test "x$target_mach" = "xyes"; then
3166    if test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3167           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3168           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3169           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3170    else
3171        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3172        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3173        #error fail this for ios
3174        #endif
3175        return 0;
3176        ], [
3177                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3178           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3179           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3180        ], [
3181           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3182           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3183           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3184        ])
3185         fi
3186    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3187 fi
3188
3189 if test "x$sizeof_register" = "x4"; then
3190    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3191 elif test "x$sizeof_register" = "x8"; then
3192    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3193 else
3194    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3195 fi
3196
3197 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3198    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3199 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3200    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3201 else
3202    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3203 fi
3204
3205 if test "x$have_visibility_hidden" = "xyes"; then
3206    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3207 fi
3208
3209 if test "x$have_deprecated" = "xyes"; then
3210    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3211 fi
3212
3213 dnl 
3214 dnl Simple Generational checks (sgen)
3215 dnl
3216 if $sgen_supported; then
3217    build_sgen_default=yes
3218 else
3219    build_sgen_default=no
3220 fi
3221 SGEN_DEFINES=
3222 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
3223 if test x$buildsgen = xyes; then
3224    if $sgen_supported; then
3225        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
3226        gc_msg="sgen and $gc_msg"
3227    else
3228        buildsgen=no
3229        AC_MSG_WARN("Sgen is not supported on this platform")
3230    fi
3231 fi
3232 AC_SUBST(SGEN_DEFINES)
3233 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3234
3235 jit_status="Building and using the JIT"
3236
3237 libsuffix=".so"
3238
3239 case "$host" in
3240      *-*-darwin*)
3241         libsuffix=".dylib"
3242         LIBC="libc.dylib"
3243         INTL="libintl.dylib"
3244         SQLITE="libsqlite.0.dylib"
3245         SQLITE3="libsqlite3.0.dylib"
3246         X11="libX11.dylib"
3247         GDKX11="libgdk-x11-2.0.dylib"
3248         GTKX11="libgtk-x11-2.0.dylib"
3249         ;;
3250      *-*-*netbsd*)
3251         LIBC="libc.so.12"
3252         INTL="libintl.so.0"
3253         ;;
3254      *-*-kfreebsd*-gnu)
3255         LIBC="libc.so.0.1"
3256         INTL="libc.so.0.1"
3257         X11="libX11.so.6"
3258         ;;
3259     *-*-*freebsd*)
3260         LIBC="libc.so"
3261         INTL="libintl.so"
3262         SQLITE="libsqlite.so"
3263         SQLITE3="libsqlite3.so"
3264         ;;
3265     *-*-*openbsd*)
3266         LIBC="libc.so"
3267         INTL="libintl.so"
3268         SQLITE="libsqlite.so"
3269         SQLITE3="libsqlite3.so"
3270         ;;
3271     *-*-*linux*)
3272         AC_PATH_X
3273         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3274         AC_MSG_CHECKING(for the soname of libX11.so)
3275         for i in $x_libraries $dlsearch_path; do
3276                 for r in 4 5 6; do
3277                         if test -f $i/libX11.so.$r; then
3278                                 X11=libX11.so.$r
3279                                 AC_MSG_RESULT($X11)
3280                         fi
3281                 done
3282         done
3283         
3284         if test "x$X11" = "xlibX11.so"; then
3285                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3286                 X11=libX11.so.6
3287         fi
3288         ;;
3289 esac
3290
3291
3292 AC_SUBST(libsuffix)
3293
3294 AC_ARG_WITH([libgdiplus],
3295         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3296         [], [with_libgdiplus=installed])
3297
3298 # default install location
3299 libgdiplus_install_loc=libgdiplus${libsuffix}
3300 case $with_libgdiplus in
3301     no|installed)
3302     libgdiplus_loc=
3303     ;;
3304
3305     yes|sibling)
3306     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3307     ;;
3308
3309     /*) # absolute path, assume it is an install location
3310     libgdiplus_loc=$with_libgdiplus
3311     libgdiplus_install_loc=$with_libgdiplus
3312     ;;
3313
3314     *)
3315     libgdiplus_loc=`pwd`/$with_libgdiplus
3316     ;;
3317 esac
3318 AC_SUBST([libgdiplus_loc])
3319 AC_SUBST([libgdiplus_install_loc])
3320
3321 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3322 if test "x$icall_symbol_map" = "xyes"; then
3323    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3324 fi
3325
3326 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3327 if test "x$icall_export" = "xyes"; then
3328    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3329 fi
3330
3331 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3332 if test "x$icall_tables" = "xno"; then
3333    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3334 fi
3335
3336 if test "x$with_tls" = "x__thread"; then
3337         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3338         # Pass the information to libgc
3339         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3340         AC_MSG_CHECKING(if the tls_model attribute is supported)
3341         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3342                 ], [
3343                         AC_MSG_RESULT(yes)
3344                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3345                 ], [
3346                         AC_MSG_RESULT(no)
3347         ])
3348 fi
3349
3350 if test ${TARGET} = ARM; then
3351         dnl ******************************************
3352         dnl *** Check to see what FPU is available ***
3353         dnl ******************************************
3354         AC_MSG_CHECKING(which FPU to use)
3355
3356         #
3357         # This is a bit tricky:
3358         #
3359         # if (__ARM_PCS_VFP) {
3360         #       /* mfloat-abi=hard == VFP with hard ABI */
3361         # } elif (!__SOFTFP__) {
3362         #       /* mfloat-abi=softfp == VFP with soft ABI */
3363         # } else {
3364         #       /* mfloat-abi=soft == no VFP */
3365         # }
3366         #
3367         # The exception is iOS (w/ GCC) where none of the above
3368         # are defined (but iOS always uses the 'softfp' ABI).
3369         #
3370         # No support for FPA.
3371         #
3372
3373         fpu=NONE
3374
3375         # iOS GCC always uses the 'softfp' ABI.
3376         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3377                 fpu=VFP
3378         fi
3379
3380         # Are we using the 'hard' ABI?
3381         if test x$fpu = xNONE; then
3382                 AC_TRY_COMPILE([], [
3383                         #ifndef __ARM_PCS_VFP
3384                         #error "Float ABI is not 'hard'"
3385                         #endif
3386                         return 0;
3387                 ], [
3388                         fpu=VFP_HARD
3389                 ], [
3390                         fpu=NONE
3391                 ])
3392         fi
3393
3394         # No 'hard' ABI. 'soft' or 'softfp'?
3395         if test x$fpu = xNONE; then
3396                 AC_TRY_COMPILE([], [
3397                         #ifdef __SOFTFP__
3398                         #error "Float ABI is not 'softfp'"
3399                         #endif
3400                         return 0;
3401                 ], [
3402                         fpu=VFP
3403                 ], [
3404                         fpu=NONE
3405                 ])
3406         fi
3407
3408         AC_MSG_RESULT($fpu)
3409         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3410         unset fpu
3411
3412         dnl *********************************************
3413         dnl *** Check which ARM version(s) we can use ***
3414         dnl *********************************************
3415         AC_MSG_CHECKING(which ARM version to use)
3416
3417         AC_TRY_COMPILE([], [
3418                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3419                 #error Not on ARM v5.
3420                 #endif
3421                 return 0;
3422         ], [
3423                 arm_v5=yes
3424
3425                 arm_ver=ARMv5
3426         ], [])
3427
3428         AC_TRY_COMPILE([], [
3429                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3430                 #error Not on ARM v6.
3431                 #endif
3432                 return 0;
3433         ], [
3434                 arm_v5=yes
3435                 arm_v6=yes
3436
3437                 arm_ver=ARMv6
3438         ], [])
3439
3440         AC_TRY_COMPILE([], [
3441                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3442                 #error Not on ARM v7.
3443                 #endif
3444                 return 0;
3445         ], [
3446                 arm_v5=yes
3447                 arm_v6=yes
3448                 arm_v7=yes
3449
3450                 arm_ver=ARMv7
3451         ], [])
3452
3453         AC_MSG_RESULT($arm_ver)
3454
3455         if test x$arm_v5 = xyes; then
3456                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3457                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3458         fi
3459
3460         if test x$arm_v6 = xyes; then
3461                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3462                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3463         fi
3464
3465         if test x$arm_v7 = xyes; then
3466                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3467                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3468         fi
3469 fi
3470
3471 if test ${TARGET} = ARM; then
3472         if test "x${with_jumptables}" = "xyes"; then
3473                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3474         fi
3475 fi
3476
3477 if test ${TARGET} = unknown; then
3478         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3479         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3480 fi
3481
3482 if test ${ACCESS_UNALIGNED} = no; then
3483         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3484 fi
3485
3486 case "x$libgc" in
3487         xincluded)
3488                 # Pass CPPFLAGS to libgc configure
3489                 # We should use a separate variable for this to avoid passing useless and
3490                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3491                 # This should be executed late so we pick up the final version of CPPFLAGS
3492                 # The problem with this approach, is that during a reconfigure, the main
3493                 # configure scripts gets invoked with these arguments, so we use separate
3494                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3495                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3496                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3497                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3498                 fi
3499                 # Don't pass -finstrument-for-thread-suspension in, 
3500                 # if these are instrumented it will be very bad news 
3501                 # (infinite recursion, undefined parking behavior, etc)
3502                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3503                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3504                 if test "x$support_boehm" = "xyes"; then
3505                         AC_CONFIG_SUBDIRS(libgc)
3506                 fi
3507                 ;;
3508 esac
3509
3510 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])
3511 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3512 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3513 AC_ARG_WITH(xammac,    [  --with-xammac=yes,no,only       If you want to build the Xamarin.Mac assemblies (defaults to no)],   [], [with_xammac=no])
3514
3515 OPROFILE=no
3516 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3517         if test x$with_oprofile != xno; then
3518             oprofile_include=$with_oprofile/include
3519             if test ! -f $oprofile_include/opagent.h; then
3520                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3521                 fi
3522             OPROFILE=yes
3523                 OPROFILE_CFLAGS="-I$oprofile_include"
3524             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3525             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3526         fi
3527 ])
3528
3529 MALLOC_MEMPOOLS=no
3530 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3531         if test x$with_malloc_mempools = xyes; then
3532                 MALLOC_MEMPOOLS=yes
3533                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3534         fi
3535 ])
3536
3537
3538 DISABLE_MCS_DOCS=no
3539 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3540         if test x$with_mcs_docs != xyes; then
3541                 DISABLE_MCS_DOCS=yes
3542         fi
3543 ])
3544 if test x$with_profile4_5 != xyes; then
3545         DISABLE_MCS_DOCS=yes
3546 fi
3547
3548 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)],[
3549         if test x$with_lazy_gc_thread_creation != xno ; then
3550                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3551         fi
3552 ], [with_lazy_gc_thread_creation=no])
3553
3554 AC_CHECK_HEADER([malloc.h], 
3555                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3556                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3557
3558 if test x"$GCC" = xyes; then
3559         # Implicit function declarations are not 64 bit safe
3560         # Do this late, since this causes lots of configure tests to fail
3561         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3562         # jay has a lot of implicit declarations
3563         JAY_CFLAGS="-Wno-implicit-function-declaration"
3564 fi
3565
3566 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3567 # instead of libmono-static.a
3568 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3569    LIBMONO_LA=libmini-static.la
3570 else
3571    if test x$buildsgen = xyes; then
3572       LIBMONO_LA=libmonosgen-$API_VER.la
3573    else
3574       LIBMONO_LA=libmonoboehm-$API_VER.la
3575    fi
3576 fi
3577 AC_SUBST(LIBMONO_LA)
3578
3579 dnl
3580 dnl Consistency settings
3581 dnl
3582 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3583    DISABLE_MCS_DOCS=yes
3584    with_profile4_5=no
3585    with_monodroid=no
3586    with_monotouch=no
3587    with_xammac=no
3588 fi
3589
3590 if test x$DISABLE_MCS_DOCS = xyes; then
3591    docs_dir=""
3592 else
3593    docs_dir=docs
3594 fi
3595 AC_SUBST(docs_dir)
3596
3597 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3598 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3599
3600 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3601 AC_SUBST(OPROFILE_CFLAGS)
3602 AC_SUBST(OPROFILE_LIBS)
3603
3604 libmono_ldflags="$libmono_ldflags $LIBS"
3605
3606 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3607 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3608 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3609 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3610 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3611 AM_CONDITIONAL(ONLY_XAMMAC, [test "x$with_xammac" = "xonly"])
3612
3613 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3614 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3615 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3616 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3617 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3618 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3619 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3620 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3621 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3622 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3623 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3624 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3625 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3626 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3627 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3628 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3629 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3630 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3631
3632 AM_CONDITIONAL(INCLUDED_LIBGC, test x$libgc = xincluded)
3633
3634 AC_SUBST(LIBC)
3635 AC_SUBST(INTL)
3636 AC_SUBST(SQLITE)
3637 AC_SUBST(SQLITE3)
3638 AC_SUBST(X11)
3639 AC_SUBST(GDKX11)
3640 AC_SUBST(GTKX11)
3641 AC_SUBST(XINERAMA)
3642 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3643 AC_SUBST(arch_target)
3644 AC_SUBST(CFLAGS)
3645 AC_SUBST(CPPFLAGS)
3646 AC_SUBST(LDFLAGS)
3647
3648 mono_build_root=`pwd`
3649 AC_SUBST(mono_build_root)
3650
3651 mono_runtime=mono/mini/mono
3652 AC_SUBST(mono_runtime)
3653
3654 mono_cfg_root=$mono_build_root/runtime
3655 if test x$host_win32 = xyes; then
3656   if test "x$cross_compiling" = "xno"; then
3657     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3658   else
3659     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3660   fi
3661 else
3662   mono_cfg_dir=$mono_cfg_root/etc
3663 fi
3664 AC_SUBST(mono_cfg_dir)
3665
3666 AC_CONFIG_FILES([po/mcs/Makefile.in])
3667
3668 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3669 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3670
3671 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3672 [   depth=../../../..
3673     case $srcdir in
3674     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3675     .) reldir=$depth ;;
3676     *) reldir=$depth/$srcdir ;;
3677     esac
3678     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3679     cd runtime/etc/mono/1.0
3680     rm -f machine.config
3681     $LN_S $reldir/data/net_1_1/machine.config machine.config
3682     cd $depth
3683 ],[LN_S='$LN_S'])
3684
3685 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3686 [   depth=../../../..
3687     case $srcdir in
3688     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3689     .) reldir=$depth ;;
3690     *) reldir=$depth/$srcdir ;;
3691     esac
3692     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3693     cd runtime/etc/mono/2.0
3694     rm -f machine.config
3695     $LN_S $reldir/data/net_2_0/machine.config machine.config
3696     cd $depth
3697 ],[LN_S='$LN_S'])
3698
3699 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3700 [   depth=../../../..
3701     case $srcdir in
3702     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3703     .) reldir=$depth ;;
3704     *) reldir=$depth/$srcdir ;;
3705     esac
3706     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3707     cd runtime/etc/mono/2.0
3708     rm -f web.config
3709     $LN_S $reldir/data/net_2_0/web.config web.config
3710     cd $depth
3711 ],[LN_S='$LN_S'])
3712
3713 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3714 [   depth=../../..
3715     case $srcdir in
3716     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3717     .) reldir=$depth ;;
3718     *) reldir=$depth/$srcdir ;;
3719     esac
3720     $ac_aux_dir/install-sh -d runtime/etc/mono/
3721     cd runtime/etc/mono/
3722     rm -f browscap.ini
3723     $LN_S $reldir/data/browscap.ini browscap.ini
3724     cd $depth
3725 ],[LN_S='$LN_S'])
3726
3727 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3728 [   depth=../../../../..
3729     case $srcdir in
3730     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3731     .) reldir=$depth ;;
3732     *) reldir=$depth/$srcdir ;;
3733     esac
3734     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3735     cd runtime/etc/mono/2.0/Browsers
3736     rm -f Compat.browser
3737     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3738     cd $depth
3739 ],[LN_S='$LN_S'])
3740
3741 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3742 [   depth=../../../../..
3743     case $srcdir in
3744     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3745     .) reldir=$depth ;;
3746     *) reldir=$depth/$srcdir ;;
3747     esac
3748     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3749     cd runtime/etc/mono/4.0/Browsers
3750     rm -f Compat.browser
3751     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3752     cd $depth
3753 ],[LN_S='$LN_S'])
3754
3755 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3756 [   depth=../../../../..
3757     case $srcdir in
3758     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3759     .) reldir=$depth ;;
3760     *) reldir=$depth/$srcdir ;;
3761     esac
3762     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3763     cd runtime/etc/mono/4.5/Browsers
3764     rm -f Compat.browser
3765     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3766     cd $depth
3767 ],[LN_S='$LN_S'])
3768
3769 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3770 [   depth=../../../..
3771     case $srcdir in
3772     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3773     .) reldir=$depth ;;
3774     *) reldir=$depth/$srcdir ;;
3775     esac
3776     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3777     cd runtime/etc/mono/4.0
3778     rm -f machine.config
3779     $LN_S $reldir/data/net_4_0/machine.config machine.config
3780     cd $depth
3781 ],[LN_S='$LN_S'])
3782
3783 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3784 [   depth=../../../..
3785     case $srcdir in
3786     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3787     .) reldir=$depth ;;
3788     *) reldir=$depth/$srcdir ;;
3789     esac
3790     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3791     cd runtime/etc/mono/4.0
3792     rm -f web.config
3793     $LN_S $reldir/data/net_4_0/web.config web.config
3794     cd $depth
3795 ],[LN_S='$LN_S'])
3796
3797 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3798 [   depth=../../../..
3799     case $srcdir in
3800     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3801     .) reldir=$depth ;;
3802     *) reldir=$depth/$srcdir ;;
3803     esac
3804     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3805     cd runtime/etc/mono/4.5
3806     rm -f machine.config
3807     $LN_S $reldir/data/net_4_5/machine.config machine.config
3808     cd $depth
3809 ],[LN_S='$LN_S'])
3810
3811 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3812 [   depth=../../../..
3813     case $srcdir in
3814     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3815     .) reldir=$depth ;;
3816     *) reldir=$depth/$srcdir ;;
3817     esac
3818     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3819     cd runtime/etc/mono/4.5
3820     rm -f web.config
3821     $LN_S $reldir/data/net_4_5/web.config web.config
3822     cd $depth
3823 ],[LN_S='$LN_S'])
3824
3825 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])
3826
3827 AC_OUTPUT([
3828 Makefile
3829 mono-core.spec
3830 mono-uninstalled.pc
3831 scripts/mono-find-provides
3832 scripts/mono-find-requires
3833 mono/Makefile
3834 mono/utils/Makefile
3835 mono/metadata/Makefile
3836 mono/dis/Makefile
3837 mono/cil/Makefile
3838 mono/arch/Makefile
3839 mono/arch/x86/Makefile
3840 mono/arch/amd64/Makefile
3841 mono/arch/ppc/Makefile
3842 mono/arch/sparc/Makefile
3843 mono/arch/s390x/Makefile
3844 mono/arch/arm/Makefile
3845 mono/arch/arm64/Makefile
3846 mono/arch/ia64/Makefile
3847 mono/arch/mips/Makefile
3848 mono/tests/Makefile
3849 mono/tests/tests-config
3850 mono/tests/assemblyresolve/Makefile
3851 mono/tests/cas/Makefile
3852 mono/tests/cas/assembly/Makefile
3853 mono/tests/cas/demand/Makefile
3854 mono/tests/cas/inheritance/Makefile
3855 mono/tests/cas/linkdemand/Makefile
3856 mono/tests/cas/threads/Makefile
3857 mono/tests/gc-descriptors/Makefile
3858 mono/unit-tests/Makefile
3859 mono/benchmark/Makefile
3860 mono/io-layer/Makefile
3861 mono/mini/Makefile
3862 mono/profiler/Makefile
3863 m4/Makefile
3864 ikvm-native/Makefile
3865 scripts/Makefile
3866 man/Makefile
3867 docs/Makefile
3868 data/Makefile
3869 data/net_2_0/Makefile
3870 data/net_4_0/Makefile
3871 data/net_4_5/Makefile
3872 data/net_2_0/Browsers/Makefile
3873 data/net_4_0/Browsers/Makefile
3874 data/net_4_5/Browsers/Makefile
3875 data/mint.pc
3876 data/mono-2.pc
3877 data/monosgen-2.pc
3878 data/mono.pc
3879 data/mono-cairo.pc
3880 data/mono-nunit.pc
3881 data/mono-options.pc
3882 data/mono-lineeditor.pc
3883 data/monodoc.pc
3884 data/dotnet.pc
3885 data/dotnet35.pc
3886 data/wcf.pc
3887 data/cecil.pc
3888 data/system.web.extensions_1.0.pc
3889 data/system.web.extensions.design_1.0.pc
3890 data/system.web.mvc.pc
3891 data/system.web.mvc2.pc
3892 data/system.web.mvc3.pc
3893 data/aspnetwebstack.pc
3894 data/reactive.pc
3895 samples/Makefile
3896 support/Makefile
3897 data/config
3898 tools/Makefile
3899 tools/locale-builder/Makefile
3900 tools/sgen/Makefile
3901 tools/monograph/Makefile
3902 runtime/Makefile
3903 msvc/Makefile
3904 po/Makefile
3905 ])
3906
3907 # Update all submodules recursively to ensure everything is checked out
3908 $srcdir/scripts/update_submodules
3909
3910 if test x$host_win32 = xyes; then
3911    # Get rid of 'cyg' prefixes in library names
3912    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3913    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3914    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3915    # executable doesn't work...
3916    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3917 fi
3918
3919 if test x$platform_darwin = xyes; then
3920    # This doesn't seem to be required and it slows down parallel builds
3921    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3922 fi
3923
3924 (
3925   case $prefix in
3926   NONE) prefix=$ac_default_prefix ;;
3927   esac
3928   case $exec_prefix in
3929   NONE) exec_prefix='${prefix}' ;;
3930   esac
3931
3932   #
3933   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3934   # any existing config.make.  This allows people to share the same source tree
3935   # with different build directories, one native and one cross
3936   #
3937   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3938
3939     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3940
3941     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3942     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3943     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3944     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3945     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3946     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3947     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3948     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3949
3950     case $INSTALL in
3951     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3952     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3953     esac
3954
3955     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3956
3957     export VERSION
3958     [myver=$($AWK 'BEGIN {
3959       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3960       if(length(vsplit [1]) > 4) {
3961         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3962       }
3963       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3964     }')]
3965
3966     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3967
3968     if test x$platform_darwin = xyes; then
3969       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3970     fi
3971
3972         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3973            enable_system_aot=yes
3974         fi
3975
3976     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3977       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3978     fi
3979
3980     if test x$DISABLE_MCS_DOCS = xyes; then
3981       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3982     fi
3983
3984     if test x$has_extension_module != xno; then
3985         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3986     fi
3987
3988         default_profile=net_4_5
3989     if test -z "$INSTALL_MONODROID_TRUE"; then :
3990                 default_profile=monodroid
3991     fi
3992     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3993                 default_profile=monotouch
3994     fi
3995         if test -z "$INSTALL_XAMMAC_TRUE"; then :
3996                 default_profile=xammac
3997         fi
3998     if test -z "$INSTALL_4_5_TRUE"; then :
3999                 default_profile=net_4_5
4000     fi
4001     
4002     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4003     
4004     if test "x$test_bcl_opt" = "xyes"; then    
4005       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4006     fi
4007
4008   fi
4009
4010   # if we have an olive folder, override the default settings
4011   if test -d $olivedir; then
4012
4013     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
4014
4015       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
4016
4017       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
4018       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
4019       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
4020       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
4021       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
4022       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
4023     fi
4024   fi
4025
4026 )
4027
4028 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4029
4030 echo "
4031         mcs source:    $mcsdir
4032
4033    Engine:
4034         Host:          $host
4035         Target:        $target
4036         GC:            $gc_msg 
4037         TLS:           $with_tls
4038         SIGALTSTACK:   $with_sigaltstack
4039         Engine:        $jit_status
4040         oprofile:      $OPROFILE
4041         BigArrays:     $enable_big_arrays
4042         DTrace:        $enable_dtrace
4043         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4044
4045    Libraries:
4046         .NET 4.5:      $with_profile4_5
4047         MonoDroid:     $with_monodroid
4048         MonoTouch:     $with_monotouch
4049         Xamarin.Mac:   $with_xammac
4050         JNI support:   $jdk_headers_found
4051         libgdiplus:    $libgdiplus_msg
4052         zlib:          $zlib_msg
4053         $disabled
4054 "
4055 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4056    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4057 fi