Merge pull request #4453 from lambdageek/bug-49721
[mono.git] / configure.ac
1 # Process this file with autoconf to produce a configure script.
2 #AC_PREREQ([2.62])
3
4 # when bumping version number below, keep it in sync with man/mono.1 too
5 AC_INIT(mono, [4.9.1],
6         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
7
8 AC_CONFIG_SRCDIR([README.md])
9 AC_CONFIG_MACRO_DIR([m4])
10 AC_CANONICAL_SYSTEM
11 AC_CANONICAL_HOST
12
13 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
14 # The extra brackets are to foil regex-based scans.
15 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
16
17 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects]
18                  m4_esyscmd([case `automake --version | head -n 1` in    # parallel-tests is default in automake 1.13+, we need to explicitly enable it
19                              *1.11*|*1.12*) echo parallel-tests;;        # for 1.11 and 1.12 but not below as those versions don't recognize the flag
20                              esac]))                                     # TODO: remove this hack once we require automake 1.11+
21
22 AC_CONFIG_HEADERS([config.h])
23 AM_MAINTAINER_MODE
24
25 API_VER=2.0
26 AC_SUBST(API_VER)
27
28 AC_PROG_LN_S
29
30 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
31
32 MONO_VERSION_MAJOR=`echo $VERSION | cut -d . -f 1`
33 MONO_VERSION_MINOR=`echo $VERSION | cut -d . -f 2`
34 MONO_VERSION_BUILD=`echo $VERSION | cut -d . -f 3`
35
36 # This is the version number of the corlib-runtime interface. When
37 # making changes to this interface (by changing the layout
38 # of classes the runtime knows about, changing icall signature or
39 # semantics etc), increment this variable.
40 #
41 # This can be reset to 0 when Mono's version number is bumped
42 # since it's part of the corlib version (the prefix '1' in the full
43 # version number is to ensure the number isn't treated as octal in C)
44 MONO_CORLIB_COUNTER=0
45 MONO_CORLIB_VERSION=`printf "1%02d%02d%02d%03d" $MONO_VERSION_MAJOR $MONO_VERSION_MINOR $MONO_VERSION_BUILD $MONO_CORLIB_COUNTER`
46
47 AC_DEFINE_UNQUOTED(MONO_CORLIB_VERSION,$MONO_CORLIB_VERSION,[Version of the corlib-runtime interface])
48 AC_SUBST(MONO_CORLIB_VERSION)
49
50 case $host_os in
51 *cygwin* )
52                  echo "Run configure using ./configure --host=i686-pc-mingw32"
53                  exit 1
54 esac
55
56 # In case of cygwin, override LN_S, irrespective of what it determines.
57 # The build uses cygwin, but the actual runtime doesn't.
58 case $host_os in
59 *cygwin* ) LN_S='cp -p';;
60 esac
61
62 #
63 # libgc defaults
64 #
65 libgc_configure_args=
66
67 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
68 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
69 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
70 CFLAGS_FOR_LIBGC=$CFLAGS
71 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
72 CFLAGS_FOR_EGLIB=$CFLAGS
73 CPPFLAGS_FOR_BTLS=$CPPFLAGS
74 CFLAGS_FOR_BTLS=$CFLAGS
75
76 # libgc uses some deprecated APIs
77 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
78
79 #
80 # These are the flags that need to be stored in the mono.pc file for 
81 # compiling code that will embed Mono
82 #
83 libmono_cflags=""
84 libmono_ldflags=""
85 AC_SUBST(libmono_cflags)
86 AC_SUBST(libmono_ldflags)
87
88 # Variable to have relocatable .pc files (lib, or lib64)
89 # realpath isn't always available, and requires that all but the tip of the provided
90 # path exists. Fall back to the old behaviour, but realpath allows depth >1
91 # e.g. Debian puts Mono in /usr/bin and libs in /usr/lib/x86_64-linux-gnu/ which is
92 # too deep for the old method to work
93 reloc_libdir=`realpath --relative-to=${prefix} ${libdir} 2> /dev/null || basename ${libdir}`
94 AC_SUBST(reloc_libdir)
95
96 # Set to yes if Unix sockets cannot be created in an anonymous namespace
97 need_link_unlink=no
98
99 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
100 extra_runtime_ldflags=""
101
102 # Thread configuration inspired by sleepycat's db
103 AC_MSG_CHECKING([host platform characteristics])
104 libgc_threads=no
105 has_dtrace=no
106 parallel_mark=yes
107 ikvm_native=yes
108
109 host_win32=no
110 target_win32=no
111 platform_android=no
112 host_darwin=no
113 case "$host" in
114         *-mingw*|*-*-cygwin*)
115                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
116                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
117                 host_win32=yes
118                 mono_cv_clang=no
119                 if test "x$cross_compiling" = "xno"; then
120                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
121                                 target_win32=yes
122                         fi
123                 else
124                         if test "x$host" = "x$target"; then
125                                 target_win32=yes
126                         fi
127                 fi
128                 HOST_CC="gcc"
129                 # Windows Vista or later is required
130                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
131                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
132                 libmono_cflags="-mms-bitfields -mwindows"
133                 libmono_ldflags="-mms-bitfields -mwindows"
134                 libdl=
135                 libgc_threads=win32
136                 with_sigaltstack=no
137                 with_tls=pthread
138                 with_sgen_default_concurrent=yes
139                 LN_S=cp
140                 # This forces libgc to use the DllMain based thread registration code on win32
141                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
142                 ;;
143         *-*-*netbsd*)
144                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
145                 libmono_cflags="-D_REENTRANT"
146                 LDFLAGS="$LDFLAGS -pthread"
147                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
148                 libmono_ldflags="-pthread"
149                 need_link_unlink=yes
150                 libdl="-ldl"
151                 libgc_threads=pthreads
152                 with_sigaltstack=no
153                 use_sigposix=yes
154                 with_sgen_default_concurrent=yes
155                 ;;
156         *-*-kfreebsd*-gnu)
157                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
158                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
159                 libmono_ldflags="-lpthread -pthread"
160                 libdl="-ldl"
161                 libgc_threads=pthreads
162                 need_link_unlink=yes
163                 with_sigaltstack=no
164                 use_sigposix=yes
165                 with_sgen_default_concurrent=yes
166                 ;;
167         *-*-*freebsd*)
168                 if test "x$PTHREAD_CFLAGS" = "x"; then
169                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
170                         libmono_cflags=
171                 else
172                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
173                         libmono_cflags="$PTHREAD_CFLAGS"
174                 fi
175                 if test "x$PTHREAD_LIBS" = "x"; then
176                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
177                         libmono_ldflags="-pthread"
178                 else
179                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
180                         libmono_ldflags="$PTHREAD_LIBS"
181                 fi
182                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
183                 need_link_unlink=yes
184                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
185                 libdl=
186                 libgc_threads=pthreads
187                 use_sigposix=yes
188                 has_dtrace=yes
189                 with_sgen_default_concurrent=yes
190                 ;;
191         *-*-*openbsd*)
192                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
193                 if test "x$disable_munmap" != "xyes"; then
194                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
195                 fi
196                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
197                 LDFLAGS="$LDFLAGS -pthread"
198                 need_link_unlink=yes
199                 AC_DEFINE(PTHREAD_POINTER_ID)
200                 libdl=
201                 libgc_threads=pthreads
202                 with_sigaltstack=no
203                 use_sigposix=yes
204                 with_sgen_default_concurrent=yes
205                 ;;
206         *-*-linux-android*)
207                 platform_android=yes
208                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
209                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
210
211                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
212                 if test "x$disable_munmap" != "xyes"; then
213                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
214                 fi
215                 libmono_cflags="-D_REENTRANT"
216                 libdl="-ldl"
217                 libgc_threads=pthreads
218                 use_sigposix=yes
219
220                 with_tls=pthread
221                 with_sigaltstack=no
222                 with_static_mono=no
223
224                 # Android doesn't support boehm, as it's missing <link.h>
225                 support_boehm=no
226                 with_gc=sgen
227
228                 # isinf(3) requires -lm; see isinf check below
229                 LDFLAGS="$LDFLAGS -lm"
230
231                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
232                 # PAGE_SIZE; breaks mono/io-layer/collection.c
233                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
234                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
235                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
236
237                 # The configure check can't detect this
238                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
239
240                 # to bypass the underscore linker check, can't work when cross-compiling
241                 mono_cv_uscore=yes
242                 mono_cv_clang=no
243                 ;;
244         *-*-linux*)
245                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
246                 if test "x$disable_munmap" != "xyes"; then
247                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
248                 fi
249                 libmono_cflags="-D_REENTRANT"
250                 libdl="-ldl"
251                 libgc_threads=pthreads
252                 use_sigposix=yes
253                 if test "x$cross_compiling" != "xno"; then
254                         # to bypass the underscore linker check, not
255                         # available during cross-compilation
256                         mono_cv_uscore=no
257                 fi
258                 case "$host" in
259                 aarch64-*)
260                         support_boehm=no
261                         with_gc=sgen
262                         ;;
263                 powerpc*-*-linux*)
264                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
265                         disable_munmap=yes
266                         ;;
267                 esac
268                 with_sgen_default_concurrent=yes
269                 ;;
270         *-*-nacl*)
271                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
272                 if test "x$disable_munmap" != "xyes"; then
273                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
274                 fi
275                 libmono_cflags="-D_REENTRANT"
276                 libdl=
277                 libgc_threads=pthreads
278                 use_sigposix=yes
279                 ikvm_native=no
280                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
281                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
282                 ;;
283         *-*-hpux*)
284                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
285                 # +ESdbgasm only valid on bundled cc on RISC
286                 # silently ignored for ia64
287                 if test $GCC != "yes"; then
288                         CFLAGS="$CFLAGS +ESdbgasm"
289                         # Arrange for run-time dereferencing of null
290                         # pointers to produce a SIGSEGV signal.
291                         LDFLAGS="$LDFLAGS -z"
292                 fi
293                 CFLAGS="$CFLAGS +ESdbgasm"
294                 LDFLAGS="$LDFLAGS -z"
295                 libmono_cflags="-D_REENTRANT"
296                 libmono_ldflags="-lpthread"
297                 libgc_threads=pthreads
298                 need_link_unlink=yes
299                 use_sigposix=yes
300                 ;;
301         *-*-solaris*)
302                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
303                 need_link_unlink=yes
304                 libmono_cflags="-D_REENTRANT"
305                 libgc_threads=pthreads
306                 has_dtrace=yes
307                 use_sigposix=yes
308                 enable_solaris_tar_check=yes
309                 ;;
310         *-*-darwin*)
311                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
312                 host_darwin=yes
313                 target_mach=yes
314                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
315                 libmono_cflags="-D_THREAD_SAFE"
316                 need_link_unlink=yes
317                 AC_DEFINE(PTHREAD_POINTER_ID)
318                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
319                 libdl=
320                 libgc_threads=pthreads
321                 has_dtrace=yes
322                 if test "x$cross_compiling" = "xyes"; then
323                         has_broken_apple_cpp=yes
324                 fi
325                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
326                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
327                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
328                 case "$host" in
329                         dnl Snow Leopard and newer config.guess reports as this
330                         i*86-*-darwin*)
331                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
332                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
333                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
334                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
335                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
336                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
337                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
338                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
339                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
340                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
341                                 with_sgen_default_concurrent=yes
342                                 ;;
343                         x*64-*-darwin*)
344                                 with_sgen_default_concurrent=yes
345                                 ;;
346                         arm*-darwin*)
347                                 has_dtrace=no
348                                 ;;                      
349                 esac
350                 ;;
351         *-*-haiku*)
352                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
353                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
354                 libdl=
355                 LIBS="$LIBS -lnetwork -ltextencoding"
356                 need_link_unlink=yes
357                 AC_DEFINE(PTHREAD_POINTER_ID)
358                 dnl Haiku does not support static TLS with __thread
359                 with_tls=pthread
360                 dnl Boehm is too much work to backport Haiku support for
361                 support_boehm=no
362                 libgc_threads=pthreads
363                 use_sigposix=yes
364                 ;;
365         *)
366                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
367                 libdl="-ldl"
368                 ;;
369 esac
370 AC_MSG_RESULT(ok)
371
372 if test x$need_link_unlink = xyes; then
373    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
374 fi
375
376 if test x$host_win32 = xyes; then
377    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
378 fi
379
380 if test x$target_win32 = xyes; then
381    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
382 fi
383
384 # Defined for all targets/platforms using classic Windows API support.
385 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
386 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
387
388 AC_SUBST(extra_runtime_ldflags)
389 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
390 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
391 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
392 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
393 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
394 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
395
396 if test -z "$PLATFORM_DARWIN_TRUE"; then :
397 PLATFORM_AOT_SUFFIX=.dylib
398 fi
399
400 if test -z "$PLATFORM_LINUX_TRUE"; then :
401 PLATFORM_AOT_SUFFIX=.so
402 fi
403
404 if test -z "$HOST_WIN32_TRUE"; then :
405 PLATFORM_AOT_SUFFIX=.dll
406 fi
407
408 AC_SUBST(PLATFORM_AOT_SUFFIX)
409
410 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
411
412 AC_CHECK_TOOL(CC, gcc, gcc)
413 AC_PROG_CC
414 AC_CHECK_TOOL(CXX, g++, g++)
415 AC_PROG_CXX
416 AM_PROG_AS
417 AC_PROG_INSTALL
418 AC_PROG_AWK
419 AM_PROG_CC_C_O
420 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
421 : ${CCAS='$(CC)'}
422 # Set ASFLAGS if not already set.
423 : ${CCASFLAGS='$(CFLAGS)'}
424 AC_SUBST(CCAS)
425 AC_SUBST(CCASFLAGS)
426
427 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
428 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
429 if test "x$CXX" = "xg++"; then
430         if test "x$GXX" != "xyes"; then
431                 # automake/libtool is so broken, it requires g++ even if the c++ sources
432                 # are inside automake conditionals
433                 AC_MSG_ERROR([You need to install g++])
434         fi
435 fi
436
437 dnl may require a specific autoconf version
438 dnl AC_PROG_CC_FOR_BUILD
439 dnl CC_FOR_BUILD not automatically detected
440 CC_FOR_BUILD=$CC
441 CFLAGS_FOR_BUILD=$CFLAGS
442 BUILD_EXEEXT=
443 if test "x$cross_compiling" = "xyes"; then
444         CC_FOR_BUILD=cc
445         CFLAGS_FOR_BUILD=
446         BUILD_EXEEXT=""
447 fi
448 AC_SUBST(CC_FOR_BUILD)
449 AC_SUBST(CFLAGS_FOR_BUILD)
450 AC_SUBST(HOST_CC)
451 AC_SUBST(BUILD_EXEEXT)
452
453 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
454 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
455
456 # Set STDC_HEADERS
457 AC_HEADER_STDC
458 AC_LIBTOOL_WIN32_DLL
459 # This causes monodis to not link correctly
460 #AC_DISABLE_FAST_INSTALL
461
462 #lookup makedev() header
463 AC_HEADER_MAJOR
464
465 AM_PROG_LIBTOOL
466 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
467 DOLT
468
469 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
470 AC_SUBST(export_ldflags)
471
472 # Test whenever ld supports -version-script
473 AC_PROG_LD
474 AC_PROG_LD_GNU
475
476 AM_ICONV()
477
478 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h sys/utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h sys/uio.h sys/param.h sys/sysctl.h libproc.h sys/prctl.h)
479 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h sys/inotify.h arpa/inet.h complex.h unwind.h)
480 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
481                   [], [], [#include <stddef.h>
482                   #include <sys/socket.h>
483                   #include <linux/socket.h>])
484
485 AC_CHECK_HEADERS(sys/user.h, [], [],
486 [
487 #ifdef HAVE_SYS_PARAM_H
488 # include <sys/param.h>
489 #endif
490 ])
491
492 AC_CHECK_HEADERS(linux/serial.h)
493
494 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
495 if test x$have_zlib = xyes; then
496    AC_TRY_COMPILE([#include <zlib.h>], [
497    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
498    return 0;
499    #else
500    #error No good zlib found
501    #endif
502    ],[
503         AC_MSG_RESULT(Using system zlib)
504         zlib_msg="system zlib"
505         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
506    ],[
507         AC_MSG_RESULT(Using embedded zlib)
508         have_zlib=no
509         zlib_msg="bundled zlib"
510    ])
511 fi
512
513 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
514 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
515
516 # for mono/metadata/debug-symfile.c
517 AC_CHECK_HEADERS(elf.h)
518
519 # for support
520 AC_CHECK_HEADERS(poll.h)
521 AC_CHECK_HEADERS(sys/poll.h)
522 AC_CHECK_HEADERS(sys/wait.h)
523 AC_CHECK_HEADERS(grp.h)
524 AC_CHECK_HEADERS(syslog.h)
525
526 # for mono/dis
527 AC_CHECK_HEADERS(wchar.h)
528 AC_CHECK_HEADERS(ieeefp.h)
529 AC_MSG_CHECKING(for isinf)
530 AC_TRY_LINK([#include <math.h>], [
531         int f = isinf (1.0);
532 ], [
533         AC_MSG_RESULT(yes)
534         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
535 ], [
536         # We'll have to use signals
537         AC_MSG_RESULT(no)
538 ])
539 # mingw
540 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
541         AC_TRY_LINK([#include <math.h>], 
542         [ _finite(0.0); ], 
543         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
544         AC_MSG_RESULT(no)))
545
546 # for Linux statfs support
547 AC_CHECK_HEADERS(linux/magic.h)
548
549 # not 64 bit clean in cross-compile
550 AC_CHECK_SIZEOF(void *, 4)
551
552 AC_CACHE_CHECK([for clang],
553         mono_cv_clang,[
554         AC_TRY_COMPILE([], [
555                 #ifdef __clang__
556                 #else
557                 #error "FAILED"
558                 #endif
559                 return 0;
560         ],
561         [mono_cv_clang=yes],
562         [mono_cv_clang=no],
563         [])
564 ])
565
566 AC_ARG_ENABLE(visibility-hidden,
567 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
568    disable_visibility_hidden=yes, disable_visibility_hidden=no)
569
570 WARN=''
571 if test x"$GCC" = xyes; then
572         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes -Wno-format-zero-length'
573
574                 # We require C99 with some GNU extensions, e.g. `linux` macro
575                 CFLAGS="$CFLAGS -std=gnu99"
576
577                 # The runtime code does not respect ANSI C strict aliasing rules
578                 CFLAGS="$CFLAGS -fno-strict-aliasing"
579
580                 # We rely on signed overflow to behave
581                 CFLAGS="$CFLAGS -fwrapv"
582
583                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
584                 if test x"$disable_visibility_hidden" = xno; then
585                    # Don't export any symbols by default
586                    SHARED_CFLAGS="-fvisibility=hidden"
587                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
588                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
589                 fi
590
591                 ORIG_CFLAGS=$CFLAGS
592                 # Check for the normal version, since gcc ignores unknown -Wno options
593                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
594                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
595                 AC_TRY_COMPILE([],[
596                                 return 0;
597                 ], [
598                    AC_MSG_RESULT(yes)
599                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
600                 ], [
601                    AC_MSG_RESULT(no)
602                    CFLAGS=$ORIG_CFLAGS
603                 ])
604
605                 if test "x$mono_cv_clang" = "xyes"; then
606                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
607                    WARN="$WARN -Qunused-arguments"
608                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
609                    # We rely on zero length arrays in structs
610                    WARN="$WARN -Wno-zero-length-array"
611                 fi
612 else
613         # The Sun Forte compiler complains about inline functions that access static variables
614         # so disable all inlining.
615         case "$host" in
616         *-*-solaris*)
617                 CFLAGS="$CFLAGS -Dinline="
618                 ;;
619         esac
620 fi
621 CFLAGS="$CFLAGS -g $WARN"
622 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
623 CPPFLAGS="$CPPFLAGS -g $WARN"
624
625 # Where's the 'mcs' source tree?
626 if test -d $srcdir/mcs; then
627   mcsdir=mcs
628 else
629   mcsdir=../mcs
630 fi
631
632 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
633         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
634                 mcsdir=$with_mcs_path
635         fi
636 )
637
638 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
639
640 #
641 # A sanity check to catch cases where the package was unpacked
642 # with an ancient tar program (Solaris)
643 #
644 AC_ARG_ENABLE(solaris-tar-check,
645 [  --disable-solaris-tar-check    disable solaris tar check],
646    do_solaris_tar_check=no, do_solaris_tar_check=yes)
647
648 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
649         AC_MSG_CHECKING(integrity of package)
650         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
651         then
652                 AC_MSG_RESULT(ok)
653         else
654                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
655                 AC_MSG_ERROR([$errorm])
656         fi
657 fi
658
659 if test "x$with_mcs_path" != "x"; then
660 mcs_topdir=$(cd "$mcsdir" && pwd)
661 mcs_topdir_from_srcdir=$mcs_topdir
662 else
663 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
664 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
665 fi
666
667 # Convert mcs_topdir* paths to Windows syntax.
668 if test x$cross_compiling$host_win32 = xnoyes; then
669   mcs_topdir=$(cygpath -m $mcs_topdir)
670   case $mcs_topdir_from_srcdir in
671     /cygdrive/*)
672         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
673         ;;
674   esac
675 fi
676
677 AC_SUBST([mcs_topdir])
678 AC_SUBST([mcs_topdir_from_srcdir])
679
680 # gettext: prepare the translation directories. 
681 # we do not configure the full gettext, as we consume it dynamically from C#
682 AM_PO_SUBDIRS
683
684 if test "x$USE_NLS" = "xyes"; then
685    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
686
687    if test "x$HAVE_MSGFMT" = "xno"; then
688           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
689    fi
690 fi
691
692 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
693
694 pkg_config_path=
695 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
696         if test x$with_crosspkgdir = "x"; then
697                 if test -s $PKG_CONFIG_PATH; then
698                         pkg_config_path=$PKG_CONFIG_PATH
699                 fi
700         else
701                 pkg_config_path=$with_crosspkgdir
702                 PKG_CONFIG_PATH=$pkg_config_path
703                 export PKG_CONFIG_PATH
704         fi
705 )
706
707 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
708 if test x$werror_flag = xyes; then
709         WERROR_CFLAGS="-Werror"
710 fi
711 AC_SUBST([WERROR_CFLAGS])
712 AC_SUBST([SHARED_CFLAGS])
713
714 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
715 AC_CONFIG_SUBDIRS(eglib)
716
717 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
718 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
719   
720 AC_SUBST(GLIB_CFLAGS)
721 AC_SUBST(GLIB_LIBS)
722
723 # Enable support for fast thread-local storage
724 # Some systems have broken support, so we allow to disable it.
725 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
726
727 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
728 # This does not work on some platforms (bug #55253)
729 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
730
731 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
732 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
733 # Same as --with-shared_mono=no
734 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
735
736 if test "x$enable_static" = "xno"; then
737    with_static_mono=no
738 fi
739
740 if test "x$enable_shared" = "xno"; then
741    with_shared_mono=no
742 fi
743
744 if test "x$enable_libraries" = "xno"; then
745    with_shared_mono=no
746 fi
747
748 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
749
750 case $host in
751 *nacl* ) with_shared_mono=yes;;
752 esac
753
754 if test "x$host_win32" = "xyes"; then
755    # Boehm GC requires the runtime to be in its own dll
756    with_static_mono=no
757 fi
758
759 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
760 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
761 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
762
763 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
764 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
765         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
766         ORIG_CFLAGS=$CFLAGS
767         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
768         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
769         AC_TRY_COMPILE([], [
770                 return 0;
771         ], [
772            AC_MSG_RESULT(yes)
773            # Pass it to libgc as well
774            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
775         ], [
776            AC_MSG_RESULT(no)
777            CFLAGS=$ORIG_CFLAGS
778         ])
779 fi
780
781 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
782
783 if test x$enable_small_config = xyes; then
784         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
785         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
786 fi
787
788 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=$enableval, enable_system_aot=default)
789
790 DISABLED_FEATURES=none
791 csc_compiler=default
792 endian=unknown
793 AC_C_BIGENDIAN([endian=big],[endian=little],[endian=unknown])
794 AC_MSG_CHECKING([CSharp compiler to use])
795 AC_ARG_WITH(csc, [  --with-csc=mcs,roslyn,default      Configures the CSharp compiler to use],[
796    if test x$withval = xmcs; then
797        csc_compiler=mcs
798    elif test x$withval = xroslyn; then
799        csc_compiler=roslyn
800    elif test x$withval = xdefault; then
801        :
802    else
803        AC_MSG_ERROR([You must supply one of "mcs", "roslyn" or "default" to the --with-csc option])
804    fi
805 ],[csc_compiler=default])
806
807 if test $csc_compiler = default; then
808    if test $endian = big; then
809       csc_compiler=mcs
810    elif test $endian = little; then
811       csc_compiler=roslyn
812    else
813       csc_compiler=mcs
814    fi
815 fi
816 AC_MSG_RESULT($csc_compiler)
817
818 #
819 # Set the build profiles and options before things which use them
820 #
821
822 AC_ARG_WITH(profile4_x,          [  --with-profile4_x=yes,no            If you want to install the 4.x FX (defaults to yes)],                       [], [with_profile4_x=default])
823 AC_ARG_WITH(monodroid,           [  --with-monodroid=yes,no             If you want to build the MonoDroid assemblies (defaults to no)],            [], [with_monodroid=default])
824 AC_ARG_WITH(monotouch,           [  --with-monotouch=yes,no             If you want to build the Xamarin.iOS assemblies (defaults to no)],          [], [with_monotouch=default])
825 AC_ARG_WITH(monotouch_watch,     [  --with-monotouch_watch=yes,no       If you want to build the Xamarin.WatchOS assemblies (defaults to no)],      [], [with_monotouch_watch=default])
826 AC_ARG_WITH(monotouch_tv,        [  --with-monotouch_tv=yes,no          If you want to build the Xamarin.TVOS assemblies (defaults to no)],         [], [with_monotouch_tv=default])
827 AC_ARG_WITH(bitcode,             [  --with-bitcode=yes,no               If bitcode is enabled (defaults to no)],                                    [], [with_bitcode=default])
828 AC_ARG_WITH(xammac,              [  --with-xammac=yes,no                If you want to build the Xamarin.Mac assemblies (defaults to no)],          [], [with_xammac=default])
829 AC_ARG_WITH(testing_aot_hybrid,  [  --with-testing_aot_hybrid=yes,no    If you want to build the testing_aot_hybrid assemblies (defaults to no)],   [], [with_testing_aot_hybrid=default])
830 AC_ARG_WITH(testing_aot_full,    [  --with-testing_aot_full=yes,no      If you want to build the testing_aot_full assemblies (defaults to no)],     [], [with_testing_aot_full=default])
831 AC_ARG_WITH(winaot,              [  --with-winaot=yes,no                If you want to build the Windows friendly AOT assemblies (defaults to no)], [], [with_winaot=default])
832 AC_ARG_WITH(orbis,              [  --with-orbis=yes,no                  If you want to build the Orbis assemblies (defaults to no)], [], [with_orbis=default])
833
834
835 AC_ARG_WITH(runtime_preset, [  --with-runtime_preset=net_4_x,all,aot,hybridaot,fullaot,bitcode   Which default profile to build (defaults to net_4_x)],  [], [with_runtime_preset=net_4_x])
836
837 dnl
838 dnl Profile defaults
839 dnl
840 TEST_PROFILE=default
841 enable_llvm_default=no
842
843 with_profile4_x_default=no
844 with_monodroid_default=no
845 with_monotouch_default=no
846 with_monotouch_watch_default=no
847 with_monotouch_tv_default=no
848 with_xammac_default=no
849 with_testing_aot_hybrid_default=no
850 with_testing_aot_full_default=no
851 with_winaot_default=no
852 with_orbis_default=no
853
854 with_bitcode_default=no
855 with_cooperative_gc_default=no
856
857 INVARIANT_AOT_OPTIONS=nimt-trampolines=2000,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4000
858
859 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
860    DISABLE_MCS_DOCS_default=yes
861 elif test x$with_runtime_preset = xnet_4_x; then
862    with_profile4_x_default=yes
863 elif test x$with_runtime_preset = xall; then
864    with_profile4_x_default=yes
865    with_monodroid_default=yes
866    with_monotouch_default=yes
867    with_monotouch_watch_default=yes
868    with_monotouch_tv_default=yes
869    with_xammac_default=yes
870    with_winaot_default=yes
871    with_orbis_default=yes
872 elif test x$with_runtime_preset = xfullaot; then
873    DISABLE_MCS_DOCS_default=yes
874    with_testing_aot_full_default=yes
875    TEST_PROFILE=testing_aot_full
876
877    mono_feature_disable_com='yes'
878    mono_feature_disable_remoting='yes'
879    mono_feature_disable_reflection_emit_save='yes'
880    mono_feature_disable_reflection_emit='yes'
881    mono_feature_disable_appdomains='yes'
882
883    AOT_BUILD_FLAGS="--runtime=mobile -O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
884
885    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
886 elif test x$with_runtime_preset = xbitcode; then
887    DISABLE_MCS_DOCS_default=yes
888    with_testing_aot_full_default=yes
889    with_bitcode_default=yes
890    with_cooperative_gc_default=yes
891    TEST_PROFILE=testing_aot_full
892    enable_llvm_default=yes
893
894    mono_feature_disable_com='yes'
895    mono_feature_disable_remoting='yes'
896    mono_feature_disable_reflection_emit_save='yes'
897    mono_feature_disable_reflection_emit='yes'
898    mono_feature_disable_appdomains='yes'
899
900    AOT_BUILD_FLAGS="--runtime=mobile --aot=llvmonly,$INVARIANT_AOT_OPTIONS"
901    AOT_RUN_FLAGS="--runtime=mobile --llvmonly"
902 elif test x$with_runtime_preset = xhybridaot; then
903    DISABLE_MCS_DOCS_default=yes
904    with_testing_aot_hybrid_default=yes
905    TEST_PROFILE=testing_aot_hybrid 
906
907    AOT_BUILD_FLAGS="--runtime=mobile --aot=hybrid,$INVARIANT_AOT_OPTIONS"
908    AOT_RUN_FLAGS="--runtime=mobile --hybrid-aot"
909 elif test x$with_runtime_preset = xaot; then
910    with_profile4_x_default=yes
911
912    AOT_BUILD_FLAGS="--aot=$INVARIANT_AOT_OPTIONS"
913    AOT_RUN_FLAGS=""
914
915    DISABLE_MCS_DOCS_default=yes
916 elif test x$with_runtime_preset = xwinaot; then
917    DISABLE_MCS_DOCS_default=yes
918    with_winaot_default=yes
919    TEST_PROFILE=winaot
920
921    mono_feature_disable_com='yes'
922    mono_feature_disable_remoting='yes'
923    mono_feature_disable_reflection_emit_save='yes'
924    mono_feature_disable_reflection_emit='yes'
925    mono_feature_disable_appdomains='yes'
926
927    AOT_BUILD_FLAGS="--runtime=mobile --aot=full,$INVARIANT_AOT_OPTIONS"
928    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
929 elif test x$with_runtime_preset = xorbis; then
930    DISABLE_MCS_DOCS_default=yes
931    with_orbis_default=yes
932    TEST_PROFILE=orbis
933
934    mono_feature_disable_com='yes'
935    mono_feature_disable_remoting='yes'
936    mono_feature_disable_reflection_emit_save='yes'
937    mono_feature_disable_reflection_emit='yes'
938    mono_feature_disable_appdomains='yes'
939
940    AOT_BUILD_FLAGS="--runtime=mobile --aot=full,$INVARIANT_AOT_OPTIONS"
941    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
942 else
943    with_profile4_x_default=yes
944 fi
945
946 if test "x$AOT_BUILD_FLAGS" != "x"; then :
947    AC_SUBST(AOT_BUILD_FLAGS)
948    AC_SUBST(AOT_RUN_FLAGS)
949    # For llvmonlycheck + fullaotcheck
950    AC_SUBST(INVARIANT_AOT_OPTIONS)
951 fi
952
953 AC_SUBST(TEST_PROFILE)
954
955 if test "x$with_profile4_x" = "xdefault"; then
956    with_profile4_x=$with_profile4_x_default
957 fi
958 if test "x$with_monodroid" = "xdefault"; then
959    with_monodroid=$with_monodroid_default
960 fi
961 if test "x$with_monotouch" = "xdefault"; then
962    with_monotouch=$with_monotouch_default
963 fi
964 if test "x$with_monotouch_watch" = "xdefault"; then
965    with_monotouch_watch=$with_monotouch_watch_default
966 fi
967 if test "x$with_monotouch_tv" = "xdefault"; then
968    with_monotouch_tv=$with_monotouch_tv_default
969 fi
970 if test "x$with_bitcode" = "xdefault"; then
971    with_bitcode=$with_bitcode_default
972 fi
973 if test "x$with_xammac" = "xdefault"; then
974    with_xammac=$with_xammac_default
975 fi
976 if test "x$with_testing_aot_hybrid" = "xdefault"; then
977    with_testing_aot_hybrid=$with_testing_aot_hybrid_default
978 fi
979 if test "x$with_testing_aot_full" = "xdefault"; then
980    with_testing_aot_full=$with_testing_aot_full_default
981 fi
982 if test "x$with_winaot" = "xdefault"; then
983    with_winaot=$with_winaot_default
984 fi
985 if test "x$with_orbis" = "xdefault"; then
986    with_orbis=$with_orbis_default
987 fi
988
989
990 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
991 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
992 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
993 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
994 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
995 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
996 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
997 AM_CONDITIONAL(INSTALL_TESTING_AOT_HYBRID, [test "x$with_testing_aot_hybrid" != "xno"])
998 AM_CONDITIONAL(INSTALL_TESTING_AOT_FULL, [test "x$with_testing_aot_full" != "xno"])
999 AM_CONDITIONAL(INSTALL_WINAOT, [test "x$with_winaot" != "xno"])
1000 AM_CONDITIONAL(INSTALL_ORBIS, [test "x$with_orbis" != "xno"])
1001 AM_CONDITIONAL(FULL_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_full"] || [test "x$TEST_PROFILE" = "xwinaot"] || [test "x$TEST_PROFILE" = "xorbis"])
1002 AM_CONDITIONAL(HYBRID_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_hybrid"])
1003
1004 default_profile=net_4_x
1005 if test -z "$INSTALL_MONODROID_TRUE"; then :
1006    default_profile=monodroid
1007 fi
1008 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
1009    default_profile=monotouch
1010 fi
1011 if test -z "$INSTALL_XAMMAC_TRUE"; then :
1012    default_profile=xammac
1013 fi
1014 if test -z "$INSTALL_TESTING_AOT_HYBRID_TRUE"; then :
1015    default_profile=testing_aot_hybrid
1016 fi
1017 if test -z "$INSTALL_TESTING_AOT_FULL_TRUE"; then :
1018    default_profile=testing_aot_full
1019 fi
1020 if test -z "$INSTALL_WINAOT_TRUE"; then :
1021    default_profile=winaot
1022 fi
1023 if test -z "$INSTALL_ORBIS_TRUE"; then :
1024    default_profile=orbis
1025 fi
1026 if test -z "$INSTALL_4_x_TRUE"; then :
1027    default_profile=net_4_x
1028 fi
1029 DEFAULT_PROFILE=$default_profile
1030 AC_SUBST(DEFAULT_PROFILE)
1031
1032 #
1033 # End build profile configuration
1034 #
1035
1036 if test x$USE_NLS = xprofile_default; then
1037
1038 if test x$host_darwin = xyes; then
1039 # We make the default value for USE_NLS
1040 # "no" on OSX because it isn't available on most
1041 # default OSX installs. The most common configurations will
1042 # all disable it, so this saves us typing.
1043   USE_NLS=no
1044   AC_SUBST([USE_NLS])
1045   AC_MSG_RESULT([$USE_NLS])
1046 else
1047   USE_NLS=yes
1048   AC_SUBST([USE_NLS])
1049   AC_MSG_RESULT([$USE_NLS])
1050 fi
1051
1052 fi
1053
1054 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
1055      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
1056      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
1057          security, lldb, mdb, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
1058 [
1059         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
1060                 eval "mono_feature_disable_$feature='yes'"
1061         done
1062         DISABLED_FEATURES=$enable_minimal
1063         disabled="Disabled:      $enable_minimal"
1064 ],[])
1065
1066 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
1067
1068 if test "x$mono_feature_disable_aot" = "xyes"; then
1069         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
1070         enable_system_aot=no
1071         AC_MSG_NOTICE([Disabled AOT compiler])
1072 fi
1073
1074 if test "x$mono_feature_disable_profiler" = "xyes"; then
1075         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
1076         AC_MSG_NOTICE([Disabled support for the profiler])
1077 fi
1078 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
1079
1080 if test "x$mono_feature_disable_decimal" = "xyes"; then
1081         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
1082         AC_MSG_NOTICE([Disabled support for decimal])
1083 fi
1084
1085 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
1086         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
1087         AC_MSG_NOTICE([Disabled support for P/Invoke])
1088 fi
1089
1090 if test "x$mono_feature_disable_debug" = "xyes"; then
1091         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
1092         AC_MSG_NOTICE([Disabled support for runtime debugging])
1093 fi
1094
1095 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
1096         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
1097         mono_feature_disable_reflection_emit_save=yes
1098         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
1099 fi
1100
1101 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
1102         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
1103         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
1104 fi
1105
1106 if test "x$mono_feature_disable_large_code" = "xyes"; then
1107         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1108         AC_MSG_NOTICE([Disabled support for large assemblies])
1109 fi
1110
1111 if test "x$mono_feature_disable_logging" = "xyes"; then
1112         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1113         AC_MSG_NOTICE([Disabled support for logging])
1114 fi
1115
1116 if test "x$mono_feature_disable_com" = "xyes"; then
1117         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1118         AC_MSG_NOTICE([Disabled COM support])
1119 fi
1120
1121 if test "x$mono_feature_disable_ssa" = "xyes"; then
1122         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1123         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1124 fi
1125
1126 if test "x$mono_feature_disable_generics" = "xyes"; then
1127         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1128         AC_MSG_NOTICE([Disabled Generics Support])
1129 fi
1130
1131 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1132         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1133         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1134 fi
1135
1136 if test "x$mono_feature_disable_portability" = "xyes"; then
1137         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1138         AC_MSG_NOTICE([Disabled IO Portability layer])
1139 fi
1140
1141 if test "x$mono_feature_disable_attach" = "xyes"; then
1142         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1143         AC_MSG_NOTICE([Disabled agent attach])
1144 fi
1145
1146 if test "x$mono_feature_disable_verifier" = "xyes"; then
1147         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1148         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1149 fi
1150
1151 if test "x$mono_feature_disable_jit" = "xyes"; then
1152         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1153         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1154 fi
1155
1156 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1157
1158 if test "x$mono_feature_disable_simd" = "xyes"; then
1159         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1160         AC_MSG_NOTICE([Disabled SIMD support])
1161 fi
1162
1163 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1164         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1165         AC_MSG_NOTICE([Disabled Soft Debugger.])
1166 fi
1167
1168 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1169         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1170         AC_MSG_NOTICE([Disabled Performance Counters.])
1171 fi
1172 if test "x$mono_feature_disable_normalization" = "xyes"; then
1173         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1174         AC_MSG_NOTICE([Disabled String normalization support.])
1175 fi
1176
1177 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
1178         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
1179         AC_MSG_NOTICE([Disabled Assembly remapping.])
1180 fi
1181
1182 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1183         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1184         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1185 fi
1186
1187 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1188         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1189         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1190 fi
1191
1192 if test "x$mono_feature_disable_remoting" = "xyes"; then
1193         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1194         AC_MSG_NOTICE([Disabled remoting])
1195 fi
1196
1197 if test "x$mono_feature_disable_security" = "xyes"; then
1198         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1199         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1200 fi
1201
1202 if test "x$mono_feature_disable_lldb" = "xyes"; then
1203         AC_DEFINE(DISABLE_LLDB, 1, [Disable support code for the LLDB plugin.])
1204         AC_MSG_NOTICE([Disabled LLDB plugin support code.])
1205 fi
1206
1207 if test "x$mono_feature_disable_mdb" = "xyes"; then
1208         AC_DEFINE(DISABLE_MDB, 1, [Disable support for .mdb symbol files.])
1209         AC_MSG_NOTICE([Disabled support for .mdb symbol files.])
1210 fi
1211
1212 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1213         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1214         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1215 fi
1216
1217 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1218         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1219         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1220 fi
1221
1222 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1223         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1224         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1225 fi
1226
1227 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1228         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1229         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1230 fi
1231
1232 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1233         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1234         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1235 fi
1236
1237 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1238 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1239
1240 has_extension_module=no
1241 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1242 [
1243         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1244                 if test x$extension = xdefault ; then
1245                         has_extension_module=yes;
1246                 fi
1247         done
1248         if test x$enable_extension_module = xyes; then
1249                 has_extension_module=yes;
1250         fi
1251 ], [])
1252
1253 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1254
1255 if test x$has_extension_module != xno ; then
1256         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1257         AC_MSG_NOTICE([Enabling mono extension module.])
1258 fi
1259
1260 # Deprecated
1261 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1262
1263 AC_MSG_CHECKING(for visibility __attribute__)
1264 AC_COMPILE_IFELSE([
1265         AC_LANG_SOURCE([[
1266                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1267                 int main () { doit (); return 0; }
1268         ]])
1269 ], [
1270    have_visibility_hidden=yes
1271    AC_MSG_RESULT(yes)
1272 ], [
1273    have_visibility_hidden=no
1274    AC_MSG_RESULT(no)
1275 ])
1276
1277 dnl
1278 dnl Boehm GC configuration
1279 dnl
1280
1281 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
1282
1283 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1284 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1285
1286 if test "x$support_boehm" = "xyes"; then
1287
1288         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1289         if test x$enable_parallel_mark = xyes; then
1290                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1291         fi
1292
1293         gc_msg=""
1294         LIBGC_CPPFLAGS=
1295         LIBGC_LIBS=
1296         LIBGC_STATIC_LIBS=
1297         libgc_dir=
1298         case "x$libgc" in
1299                 xincluded)
1300                         if test "x$support_boehm" = "xyes"; then
1301                                 libgc_dir=libgc
1302                         fi
1303
1304                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1305                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1306                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1307
1308                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1309
1310                         if test x$target_win32 = xyes; then
1311                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1312                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1313                         fi
1314
1315                         gc_msg="Included Boehm GC with typed GC"
1316                         if test x$enable_parallel_mark = xyes; then
1317                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1318                                 gc_msg="$gc_msg and parallel mark"
1319                         else
1320                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1321                         fi
1322                         ;;
1323
1324                 xboehm|xbohem|xyes)
1325                         AC_MSG_WARN("External Boehm is no longer supported")
1326                         ;;
1327
1328                 xsgen)
1329                         AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1330                         ;;
1331
1332                 xnone)
1333                         AC_MSG_WARN("Compiling mono without GC.")
1334                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1335                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1336                         gc_msg="none"
1337                         ;;
1338                 *)
1339                         AC_MSG_ERROR([Invalid argument to --with-gc.])
1340                         ;;
1341         esac
1342
1343         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1344         if test "x$large_heap" = "xyes"; then
1345            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1346         fi
1347
1348         AC_SUBST(LIBGC_CPPFLAGS)
1349         AC_SUBST(LIBGC_LIBS)
1350         AC_SUBST(LIBGC_STATIC_LIBS)
1351         AC_SUBST(libgc_dir)
1352         AC_SUBST(BOEHM_DEFINES)
1353
1354 fi
1355
1356 dnl
1357 dnl End of Boehm GC Configuration
1358 dnl
1359
1360 dnl *************************************
1361 dnl *** Checks for zero length arrays ***
1362 dnl *************************************
1363 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1364 AC_TRY_COMPILE([
1365         struct s {
1366                 int  length;
1367                 char data [0];
1368         };
1369 ], [], [
1370         AC_MSG_RESULT(yes)
1371         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1372 ], [
1373         AC_MSG_RESULT(no)
1374         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1375 ])
1376
1377 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1378
1379 dnl ***********************************
1380 dnl *** Checks for signals
1381 dnl ***********************************
1382 AC_CHECK_HEADERS(signal.h)
1383 AC_CHECK_FUNCS(sigaction)
1384 AC_CHECK_FUNCS(kill)
1385 AC_CHECK_FUNCS(signal)
1386
1387 # signal() is declared inline in Android headers
1388 # so we need to workaround it by overriding the check.
1389 if test x$platform_android = xyes; then
1390         AC_DEFINE(HAVE_SIGNAL,1)
1391 fi
1392
1393 if test x$host_win32 = xno; then
1394
1395         dnl hires monotonic clock support
1396         AC_SEARCH_LIBS(clock_gettime, rt)
1397         AC_CHECK_FUNCS(clock_nanosleep)
1398
1399         dnl dynamic loader support
1400         AC_CHECK_FUNC(dlopen, DL_LIB="",
1401                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1402         )
1403         if test x$dl_support = xno; then
1404                 AC_MSG_WARN([No dynamic loading support available])
1405         else
1406                 LIBS="$LIBS $DL_LIB"
1407                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1408                 dnl from glib's configure.ac
1409                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1410                         mono_cv_uscore,[
1411                         AC_TRY_RUN([#include <dlfcn.h>
1412                         int mono_underscore_test (void) { return 42; }
1413                         int main() {
1414                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1415                           handle = dlopen ((void*)0, 0);
1416                           if (handle) {
1417                             f1 = dlsym (handle, "mono_underscore_test");
1418                             f2 = dlsym (handle, "_mono_underscore_test");
1419                           } return (!f2 || f1);
1420                         }],
1421                                 [mono_cv_uscore=yes],
1422                                 [mono_cv_uscore=no],
1423                         [])
1424                 ])
1425                 if test "x$mono_cv_uscore" = "xyes"; then
1426                         MONO_DL_NEED_USCORE=1
1427                 else
1428                         MONO_DL_NEED_USCORE=0
1429                 fi
1430                 AC_SUBST(MONO_DL_NEED_USCORE)
1431                 AC_CHECK_FUNC(dlerror)
1432         fi
1433
1434         dnl ******************************************************************
1435         dnl *** Checks for the IKVM JNI interface library                  ***
1436         dnl ******************************************************************
1437         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])
1438
1439         ikvm_native_dir=
1440         if test x$with_ikvm_native = xyes; then
1441                 ikvm_native_dir=ikvm-native
1442                 jdk_headers_found="IKVM Native"
1443         fi
1444
1445         AC_SUBST(ikvm_native_dir)
1446
1447         AC_CHECK_HEADERS(execinfo.h)
1448
1449         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1450
1451         AC_CHECK_FUNCS(getgrgid_r)
1452         AC_CHECK_FUNCS(getgrnam_r)
1453         AC_CHECK_FUNCS(getresuid)
1454         AC_CHECK_FUNCS(setresuid)
1455         AC_CHECK_FUNCS(kqueue)
1456         AC_CHECK_FUNCS(backtrace_symbols)
1457         AC_CHECK_FUNCS(mkstemp)
1458         AC_CHECK_FUNCS(mmap)
1459         AC_CHECK_FUNCS(madvise)
1460         AC_CHECK_FUNCS(getrusage)
1461         AC_CHECK_FUNCS(getpriority)
1462         AC_CHECK_FUNCS(setpriority)
1463         AC_CHECK_FUNCS(dl_iterate_phdr)
1464         AC_CHECK_FUNCS(dladdr)
1465         AC_CHECK_FUNCS(sysconf)
1466         AC_CHECK_FUNCS(getrlimit)
1467         AC_CHECK_FUNCS(prctl)
1468
1469         AC_CHECK_FUNCS(sched_getaffinity)
1470         AC_CHECK_FUNCS(sched_setaffinity)
1471         AC_CHECK_FUNCS(sched_getcpu)
1472
1473         if test x$platform_android != xyes; then
1474                 AC_CHECK_FUNCS(getpwnam_r)
1475                 AC_CHECK_FUNCS(getpwuid_r)
1476         fi
1477
1478         dnl ****************************************************************
1479         dnl *** Check for sched_setaffinity from glibc versions before   ***
1480         dnl *** 2.3.4. The older versions of the function only take 2    ***
1481         dnl *** parameters, not 3.                                       ***
1482         dnl ***                                                          ***
1483         dnl *** Because the interface change was not made in a minor     ***
1484         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1485         dnl *** won't always indicate the interface sched_affinity has.  ***
1486         dnl ****************************************************************
1487         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1488         AC_TRY_COMPILE([#include <sched.h>], [
1489             int mask = 1; 
1490             sched_setaffinity(0, &mask);
1491                         return 0;
1492         ], [
1493                 # Yes, we have it...
1494                 AC_MSG_RESULT(yes)
1495                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1496         ], [
1497                 # We have the new, three-parameter version
1498                 AC_MSG_RESULT(no)
1499         ])
1500         AC_TRY_COMPILE([#include <sched.h>], [
1501              CPU_COUNT((void *) 0);
1502         ], [
1503                 AC_MSG_RESULT(yes)
1504                 AC_DEFINE(GLIBC_HAS_CPU_COUNT, 1, [GLIBC has CPU_COUNT macro in sched.h])
1505         ], [
1506                 # We have the new, three-parameter version
1507                 AC_MSG_RESULT(no)
1508         ])
1509
1510         dnl ******************************************************************
1511         dnl *** Check for large file support                               ***
1512         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1513         dnl ******************************************************************
1514         
1515         # Check that off_t can represent 2**63 - 1 correctly, working around
1516         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1517         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1518         large_offt=no
1519         AC_DEFUN([LARGE_FILES], [
1520                 large_CPPFLAGS=$CPPFLAGS
1521                 CPPFLAGS="$CPPFLAGS $1"
1522                 AC_TRY_COMPILE([
1523                         #include <sys/types.h>
1524                         #include <limits.h>
1525                 ], [
1526                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1527                         #define COMPILE_TIME_ASSERT(pred) \
1528                                 switch(0){case 0:case pred:;}
1529                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1530                 ], [
1531                         AC_MSG_RESULT(ok)
1532                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1533                         large_CPPFLAGS="$large_CPPFLAGS $1"
1534                         large_offt=yes
1535                 ], [
1536                         AC_MSG_RESULT(no)
1537                 ])
1538                 CPPFLAGS=$large_CPPFLAGS
1539         ])
1540
1541         AC_MSG_CHECKING(if off_t is 64 bits wide)
1542         LARGE_FILES("")
1543         if test $large_offt = no; then
1544                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1545                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1546         fi
1547         if test $large_offt = no; then
1548                 AC_MSG_WARN([No 64 bit file size support available])
1549         fi
1550         
1551         dnl *****************************
1552         dnl *** Checks for libsocket  ***
1553         dnl *****************************
1554         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1555
1556         case "$host" in
1557                 *-*-*freebsd*)
1558                         dnl *****************************
1559                         dnl *** Checks for libinotify ***
1560                         dnl *****************************
1561                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1562         esac
1563
1564         dnl *******************************
1565         dnl *** Checks for MSG_NOSIGNAL ***
1566         dnl *******************************
1567         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1568         AC_TRY_COMPILE([#include <sys/socket.h>], [
1569                 int f = MSG_NOSIGNAL;
1570         ], [
1571                 # Yes, we have it...
1572                 AC_MSG_RESULT(yes)
1573                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1574         ], [
1575                 # We'll have to use signals
1576                 AC_MSG_RESULT(no)
1577         ])
1578
1579         dnl *****************************
1580         dnl *** Checks for IPPROTO_IP ***
1581         dnl *****************************
1582         AC_MSG_CHECKING(for IPPROTO_IP)
1583         AC_TRY_COMPILE([#include <netinet/in.h>], [
1584                 int level = IPPROTO_IP;
1585         ], [
1586                 # Yes, we have it...
1587                 AC_MSG_RESULT(yes)
1588                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1589         ], [
1590                 # We'll have to use getprotobyname
1591                 AC_MSG_RESULT(no)
1592         ])
1593
1594         dnl *******************************
1595         dnl *** Checks for IPPROTO_IPV6 ***
1596         dnl *******************************
1597         AC_MSG_CHECKING(for IPPROTO_IPV6)
1598         AC_TRY_COMPILE([#include <netinet/in.h>], [
1599                 int level = IPPROTO_IPV6;
1600         ], [
1601                 # Yes, we have it...
1602                 AC_MSG_RESULT(yes)
1603                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1604         ], [
1605                 # We'll have to use getprotobyname
1606                 AC_MSG_RESULT(no)
1607         ])
1608
1609         dnl ******************************
1610         dnl *** Checks for IPPROTO_TCP ***
1611         dnl ******************************
1612         AC_MSG_CHECKING(for IPPROTO_TCP)
1613         AC_TRY_COMPILE([#include <netinet/in.h>], [
1614                 int level = IPPROTO_TCP;
1615         ], [
1616                 # Yes, we have it...
1617                 AC_MSG_RESULT(yes)
1618                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1619         ], [
1620                 # We'll have to use getprotobyname
1621                 AC_MSG_RESULT(no)
1622         ])
1623
1624         dnl *****************************
1625         dnl *** Checks for SOL_IP     ***
1626         dnl *****************************
1627         AC_MSG_CHECKING(for SOL_IP)
1628         AC_TRY_COMPILE([#include <netdb.h>], [
1629                 int level = SOL_IP;
1630         ], [
1631                 # Yes, we have it...
1632                 AC_MSG_RESULT(yes)
1633                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1634         ], [
1635                 # We'll have to use getprotobyname
1636                 AC_MSG_RESULT(no)
1637         ])
1638
1639         dnl *****************************
1640         dnl *** Checks for SOL_IPV6     ***
1641         dnl *****************************
1642         AC_MSG_CHECKING(for SOL_IPV6)
1643         AC_TRY_COMPILE([#include <netdb.h>], [
1644                 int level = SOL_IPV6;
1645         ], [
1646                 # Yes, we have it...
1647                 AC_MSG_RESULT(yes)
1648                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1649         ], [
1650                 # We'll have to use getprotobyname
1651                 AC_MSG_RESULT(no)
1652         ])
1653
1654         dnl *****************************
1655         dnl *** Checks for SOL_TCP    ***
1656         dnl *****************************
1657         AC_MSG_CHECKING(for SOL_TCP)
1658         AC_TRY_COMPILE([#include <netdb.h>], [
1659                 int level = SOL_TCP;
1660         ], [
1661                 # Yes, we have it...
1662                 AC_MSG_RESULT(yes)
1663                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1664         ], [
1665                 # We'll have to use getprotobyname
1666                 AC_MSG_RESULT(no)
1667         ])
1668
1669         dnl *****************************
1670         dnl *** Checks for IP_PKTINFO ***
1671         dnl *****************************
1672         AC_MSG_CHECKING(for IP_PKTINFO)
1673         AC_TRY_COMPILE([#include <linux/in.h>], [
1674                 int level = IP_PKTINFO;
1675         ], [
1676                 # Yes, we have it...
1677                 AC_MSG_RESULT(yes)
1678                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1679         ], [
1680                 AC_MSG_RESULT(no)
1681         ])
1682
1683         dnl *****************************
1684         dnl *** Checks for IPV6_PKTINFO ***
1685         dnl *****************************
1686         AC_MSG_CHECKING(for IPV6_PKTINFO)
1687         AC_TRY_COMPILE([#include <netdb.h>], [
1688                 int level = IPV6_PKTINFO;
1689         ], [
1690                 # Yes, we have it...
1691                 AC_MSG_RESULT(yes)
1692                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1693         ], [
1694                 AC_MSG_RESULT(no)
1695         ])
1696
1697         dnl **********************************
1698         dnl *** Checks for IP_DONTFRAG     ***
1699         dnl **********************************
1700         AC_MSG_CHECKING(for IP_DONTFRAG)
1701         AC_TRY_COMPILE([#include <netinet/in.h>], [
1702                 int level = IP_DONTFRAG;
1703         ], [
1704                 # Yes, we have it...
1705                 AC_MSG_RESULT(yes)
1706                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1707         ], [
1708                 AC_MSG_RESULT(no)
1709         ])
1710
1711         dnl **********************************
1712         dnl *** Checks for IP_DONTFRAGMENT ***
1713         dnl **********************************
1714         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1715         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1716                 int level = IP_DONTFRAGMENT;
1717         ], [
1718                 # Yes, we have it...
1719                 AC_MSG_RESULT(yes)
1720                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1721         ], [
1722                 AC_MSG_RESULT(no)
1723         ])
1724
1725         dnl **********************************
1726         dnl *** Checks for IP_MTU_DISCOVER ***
1727         dnl **********************************
1728         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1729         AC_TRY_COMPILE([#include <linux/in.h>], [
1730                 int level = IP_MTU_DISCOVER;
1731         ], [
1732                 # Yes, we have it...
1733                 AC_MSG_RESULT(yes)
1734                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1735         ], [
1736                 AC_MSG_RESULT(no)
1737         ])
1738
1739         dnl **********************************
1740         dnl *** Checks for  IP_PMTUDISC_DO ***
1741         dnl **********************************
1742         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1743         AC_TRY_COMPILE([#include <linux/in.h>], [
1744                 int level = IP_PMTUDISC_DO;
1745         ], [
1746                 # Yes, we have it...
1747                 AC_MSG_RESULT(yes)
1748                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1749         ], [
1750                 AC_MSG_RESULT(no)
1751         ])
1752
1753         dnl *********************************
1754         dnl *** Check for struct ip_mreqn ***
1755         dnl *********************************
1756         AC_MSG_CHECKING(for struct ip_mreqn)
1757         AC_TRY_COMPILE([#include <netinet/in.h>], [
1758                 struct ip_mreqn mreq;
1759                 mreq.imr_address.s_addr = 0;
1760         ], [
1761                 # Yes, we have it...
1762                 AC_MSG_RESULT(yes)
1763                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1764         ], [
1765                 # We'll just have to try and use struct ip_mreq
1766                 AC_MSG_RESULT(no)
1767                 AC_MSG_CHECKING(for struct ip_mreq)
1768                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1769                         struct ip_mreq mreq;
1770                         mreq.imr_interface.s_addr = 0;
1771                 ], [
1772                         # Yes, we have it...
1773                         AC_MSG_RESULT(yes)
1774                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1775                 ], [
1776                         # No multicast support
1777                         AC_MSG_RESULT(no)
1778                 ])
1779         ])
1780         
1781         dnl **********************************
1782         dnl *** Check for getaddrinfo ***
1783         dnl **********************************
1784         AC_MSG_CHECKING(for getaddrinfo)
1785                 AC_TRY_LINK([
1786                 #include <stdio.h>
1787                 #include <netdb.h>
1788         ], [
1789                 getaddrinfo(NULL,NULL,NULL,NULL);
1790         ], [
1791                 # Yes, we have it...
1792                 AC_MSG_RESULT(yes)
1793                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1794         ], [
1795                 AC_MSG_RESULT(no)
1796         ])
1797
1798         dnl **********************************
1799         dnl *** Check for gethostbyname2_r ***
1800         dnl **********************************
1801         AC_MSG_CHECKING(for gethostbyname2_r)
1802                 AC_TRY_LINK([
1803                 #include <stdio.h>
1804                 #include <netdb.h>
1805         ], [
1806
1807                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1808         ], [
1809                 # Yes, we have it...
1810                 AC_MSG_RESULT(yes)
1811                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1812         ], [
1813                 AC_MSG_RESULT(no)
1814         ])
1815
1816         dnl **********************************
1817         dnl *** Check for gethostbyname2 ***
1818         dnl **********************************
1819         AC_MSG_CHECKING(for gethostbyname2)
1820                 AC_TRY_LINK([
1821                 #include <stdio.h>
1822                 #include <netdb.h>
1823         ], [
1824                 gethostbyname2(NULL,0);
1825         ], [
1826                 # Yes, we have it...
1827                 AC_MSG_RESULT(yes)
1828                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1829         ], [
1830                 AC_MSG_RESULT(no)
1831         ])
1832
1833         dnl **********************************
1834         dnl *** Check for gethostbyname ***
1835         dnl **********************************
1836         AC_MSG_CHECKING(for gethostbyname)
1837                 AC_TRY_LINK([
1838                 #include <stdio.h>
1839                 #include <netdb.h>
1840         ], [
1841                 gethostbyname(NULL);
1842         ], [
1843                 # Yes, we have it...
1844                 AC_MSG_RESULT(yes)
1845                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1846         ], [
1847                 AC_MSG_RESULT(no)
1848         ])
1849
1850         dnl **********************************
1851         dnl *** Check for getprotobyname ***
1852         dnl **********************************
1853         AC_MSG_CHECKING(for getprotobyname)
1854                 AC_TRY_LINK([
1855                 #include <stdio.h>
1856                 #include <netdb.h>
1857         ], [
1858                 getprotobyname(NULL);
1859         ], [
1860                 # Yes, we have it...
1861                 AC_MSG_RESULT(yes)
1862                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1863         ], [
1864                 AC_MSG_RESULT(no)
1865         ])
1866
1867         dnl **********************************
1868         dnl *** Check for getnameinfo ***
1869         dnl **********************************
1870         AC_MSG_CHECKING(for getnameinfo)
1871                 AC_TRY_LINK([
1872                 #include <stdio.h>
1873                 #include <netdb.h>
1874         ], [
1875                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1876         ], [
1877                 # Yes, we have it...
1878                 AC_MSG_RESULT(yes)
1879                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1880         ], [
1881                 AC_MSG_RESULT(no)
1882         ])
1883
1884
1885         dnl **********************************
1886         dnl *** Check for inet_ntop ***
1887         dnl **********************************
1888         AC_MSG_CHECKING(for inet_ntop)
1889                 AC_TRY_LINK([
1890                 #include <stdio.h>
1891                 #include <arpa/inet.h>
1892         ], [
1893                 inet_ntop (0, NULL, NULL, 0);
1894         ], [
1895                 # Yes, we have it...
1896                 AC_MSG_RESULT(yes)
1897                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1898         ], [
1899                 AC_MSG_RESULT(no)
1900         ])
1901
1902         dnl *****************************
1903         dnl *** Checks for libnsl     ***
1904         dnl *****************************
1905         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1906
1907         AC_CHECK_FUNCS(inet_pton inet_aton)
1908
1909         dnl *****************************
1910         dnl *** Checks for libxnet    ***
1911         dnl *****************************
1912         case "${host}" in
1913                 *solaris* )
1914                         AC_MSG_CHECKING(for Solaris XPG4 support)
1915                         if test -f /usr/lib/libxnet.so; then
1916                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1917                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1918                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1919                                 LIBS="$LIBS -lxnet"
1920                                 AC_MSG_RESULT(yes)
1921                         else
1922                                 AC_MSG_RESULT(no)
1923                         fi
1924
1925                         if test "$GCC" = "yes"; then
1926                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1927                         fi
1928                 ;;
1929         esac
1930
1931         dnl *****************************
1932         dnl *** Checks for libpthread ***
1933         dnl *****************************
1934 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1935 # and libpthread does not exist
1936 #
1937         case "${host}" in
1938                 *-*-*haiku*)
1939                         dnl Haiku has pthread in libroot (libc equiv)
1940                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS")
1941                 ;;
1942                 *-*-*freebsd*)
1943                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1944                 ;;
1945                 *-*-*openbsd*)
1946                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1947                 ;;
1948                 *)
1949                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1950                 ;;
1951         esac
1952         AC_CHECK_HEADERS(pthread.h)
1953         AC_CHECK_HEADERS(pthread_np.h)
1954         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1955         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1956         AC_CHECK_FUNCS(pthread_kill)
1957         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1958         AC_TRY_COMPILE([ #include <pthread.h>], [
1959                 pthread_mutexattr_t attr;
1960                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1961         ], [
1962                 AC_MSG_RESULT(ok)
1963         ], [
1964                 AC_MSG_RESULT(no)
1965                 AC_ERROR(Posix system lacks support for recursive mutexes)
1966         ])
1967         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1968         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1969         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1970
1971         dnl **********************************
1972         dnl *** Check for mincore ***
1973         dnl **********************************
1974         AC_MSG_CHECKING(for mincore)
1975                 AC_TRY_LINK([
1976                 #include <stdio.h>
1977                 #include <sys/types.h>
1978                 #include <sys/mman.h>
1979         ], [
1980                 mincore(NULL, 0, NULL);
1981         ], [
1982                 # Yes, we have it...
1983                 AC_MSG_RESULT(yes)
1984                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1985         ], [
1986                 AC_MSG_RESULT(no)
1987         ])
1988
1989         dnl ***********************************
1990         dnl *** Checks for working __thread ***
1991         dnl ***********************************
1992         AC_MSG_CHECKING(for working __thread)
1993         if test "x$with_tls" != "x__thread"; then
1994                 AC_MSG_RESULT(disabled)
1995         elif test "x$cross_compiling" = "xyes"; then
1996                 AC_MSG_RESULT(cross compiling, assuming yes)
1997         else
1998                 AC_TRY_RUN([
1999                         #if defined(__APPLE__) && defined(__clang__)
2000                         #error "__thread does not currently work with clang on Mac OS X"
2001                         #endif
2002                         
2003                         #include <pthread.h>
2004                         __thread int i;
2005                         static int res1, res2;
2006
2007                         void thread_main (void *arg)
2008                         {
2009                                 i = arg;
2010                                 sleep (1);
2011                                 if (arg == 1)
2012                                         res1 = (i == arg);
2013                                 else
2014                                         res2 = (i == arg);
2015                         }
2016
2017                         int main () {
2018                                 pthread_t t1, t2;
2019
2020                                 i = 5;
2021
2022                                 pthread_create (&t1, NULL, thread_main, 1);
2023                                 pthread_create (&t2, NULL, thread_main, 2);
2024
2025                                 pthread_join (t1, NULL);
2026                                 pthread_join (t2, NULL);
2027
2028                                 return !(res1 + res2 == 2);
2029                         }
2030                 ], [
2031                                 AC_MSG_RESULT(yes)
2032                 ], [
2033                                 AC_MSG_RESULT(no)
2034                                 with_tls=pthread
2035                 ])
2036         fi
2037
2038         dnl **************************************
2039         dnl *** Checks for working sigaltstack ***
2040         dnl **************************************
2041         AC_MSG_CHECKING(for working sigaltstack)
2042         if test "x$with_sigaltstack" != "xyes"; then
2043                 AC_MSG_RESULT(disabled)
2044         elif test "x$cross_compiling" = "xyes"; then
2045                 AC_MSG_RESULT(cross compiling, assuming yes)
2046         else
2047                 AC_TRY_RUN([
2048                         #include <stdio.h>
2049                         #include <stdlib.h>
2050                         #include <unistd.h>
2051                         #include <signal.h>
2052                         #include <pthread.h>
2053                         #include <sys/wait.h>
2054                         #if defined(__FreeBSD__) || defined(__NetBSD__)
2055                         #define SA_STACK SA_ONSTACK
2056                         #endif
2057                         static void
2058                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
2059                         {
2060                                 exit (0);
2061                         }
2062
2063                         volatile char*__ptr = NULL;
2064                         static void *
2065                         loop (void *ignored)
2066                         {
2067                                 *__ptr = 0;
2068                                 return NULL;
2069                         }
2070
2071                         static void
2072                         child ()
2073                         {
2074                                 struct sigaction sa;
2075                         #ifdef __APPLE__
2076                                 stack_t sas;
2077                         #else
2078                                 struct sigaltstack sas;
2079                         #endif
2080                                 pthread_t id;
2081                                 pthread_attr_t attr;
2082
2083                                 sa.sa_sigaction = sigsegv_signal_handler;
2084                                 sigemptyset (&sa.sa_mask);
2085                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
2086                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
2087                                         perror ("sigaction");
2088                                         return;
2089                                 }
2090
2091                                 /* x86 darwin deliver segfaults using SIGBUS */
2092                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
2093                                         perror ("sigaction");
2094                                         return;
2095                                 }
2096                                 sas.ss_sp = malloc (SIGSTKSZ);
2097                                 sas.ss_size = SIGSTKSZ;
2098                                 sas.ss_flags = 0;
2099                                 if (sigaltstack (&sas, NULL) == -1) {
2100                                         perror ("sigaltstack");
2101                                         return;
2102                                 }
2103
2104                                 pthread_attr_init (&attr);
2105                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2106                                         printf ("pthread_create\n");
2107                                         return;
2108                                 }
2109
2110                                 sleep (100);
2111                         }
2112
2113                         int
2114                         main ()
2115                         {
2116                                 pid_t son;
2117                                 int status;
2118                                 int i;
2119
2120                                 son = fork ();
2121                                 if (son == -1) {
2122                                         return 1;
2123                                 }
2124
2125                                 if (son == 0) {
2126                                         child ();
2127                                         return 0;
2128                                 }
2129
2130                                 for (i = 0; i < 300; ++i) {
2131                                         waitpid (son, &status, WNOHANG);
2132                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2133                                                 return 0;
2134                                         usleep (10000);
2135                                 }
2136
2137                                 kill (son, SIGKILL);
2138                                 return 1;
2139                         }
2140
2141                 ], [
2142                                 AC_MSG_RESULT(yes)
2143                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2144                 ], [
2145                                 with_sigaltstack=no
2146                                 AC_MSG_RESULT(no)
2147                 ])
2148         fi
2149
2150         dnl ********************************
2151         dnl *** Checks for semaphore lib ***
2152         dnl ********************************
2153         # 'Real Time' functions on Solaris
2154         # posix4 on Solaris 2.6
2155         # pthread (first!) on Linux
2156         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
2157
2158         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
2159         AC_CHECK_FUNCS(shm_open)
2160
2161         dnl ********************************
2162         dnl *** Checks for timezone stuff **
2163         dnl ********************************
2164         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2165                 AC_TRY_COMPILE([
2166                         #include <time.h>
2167                         ], [
2168                         struct tm tm;
2169                         tm.tm_gmtoff = 1;
2170                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2171         if test $ac_cv_struct_tm_gmtoff = yes; then
2172                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2173         else
2174                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2175                         AC_TRY_COMPILE([
2176                                 #include <time.h>
2177                         ], [
2178                                 timezone = 1;
2179                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2180                 if test $ac_cv_var_timezone = yes; then
2181                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2182                 else
2183                         AC_ERROR(unable to find a way to determine timezone)
2184                 fi
2185         fi
2186
2187         dnl *********************************
2188         dnl *** Checks for math functions ***
2189         dnl *********************************
2190         AC_SEARCH_LIBS(sqrtf, m)
2191         if test "x$has_broken_apple_cpp" != "xyes"; then
2192                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2193                         AC_TRY_LINK([#include <math.h>], 
2194                         [ finite(0.0); ], 
2195                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2196                         AC_MSG_RESULT(no)))
2197         fi
2198         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2199                 AC_TRY_LINK([#include <math.h>], 
2200                 [ isfinite(0.0); ], 
2201                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2202                 AC_MSG_RESULT(no)))
2203
2204         dnl ****************************************************************
2205         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2206         dnl *** have it in the library (duh))                            ***
2207         dnl ****************************************************************
2208         AC_CHECK_FUNCS(poll)
2209
2210         dnl *************************
2211         dnl *** Check for signbit ***
2212         dnl *************************
2213         AC_MSG_CHECKING(for signbit)
2214         AC_TRY_LINK([#include <math.h>], [
2215                 int s = signbit(1.0);
2216         ], [
2217                 AC_MSG_RESULT(yes)
2218                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2219         ], [
2220                 AC_MSG_RESULT(no)
2221         ]) 
2222
2223         dnl **********************************
2224         dnl *** epoll                      ***
2225         dnl **********************************
2226         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
2227                 AC_CHECK_HEADERS(sys/epoll.h)
2228                 haveepoll=no
2229                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2230                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2231                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2232                 fi
2233         fi
2234
2235         havekqueue=no
2236
2237         AC_CHECK_HEADERS(sys/event.h)
2238         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2239
2240         dnl **************************************
2241         dnl * Darwin has a race that prevents us from using reliably:
2242         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2243         dnl * Since kqueue is mostly used for scaling large web servers, 
2244         dnl * and very few folks run Mono on large web servers on OSX, falling
2245         dnl * back 
2246         dnl **************************************
2247         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2248                 if test "x$host_darwin" = "xno"; then
2249                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2250                 fi
2251         fi
2252
2253         dnl ******************************
2254         dnl *** Checks for SIOCGIFCONF ***
2255         dnl ******************************
2256         AC_CHECK_HEADERS(sys/ioctl.h)
2257         AC_CHECK_HEADERS(net/if.h, [], [],
2258            [
2259            #ifdef HAVE_SYS_TYPES_H
2260            # include <sys/types.h>
2261            #endif
2262            #ifdef HAVE_SYS_SOCKET_H
2263            # include <sys/socket.h>
2264            #endif
2265            ])
2266         AC_MSG_CHECKING(for ifreq)
2267         AC_TRY_COMPILE([
2268                 #include <stdio.h>
2269                 #include <sys/ioctl.h>
2270                 #include <net/if.h>
2271                 ], [
2272                 struct ifconf ifc;
2273                 struct ifreq *ifr;
2274                 void *x;
2275                 ifc.ifc_len = 0;
2276                 ifc.ifc_buf = NULL;
2277                 x = (void *) &ifr->ifr_addr;
2278                 ],[
2279                         AC_MSG_RESULT(yes)
2280                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2281                 ], [
2282                         AC_MSG_RESULT(no)
2283                 ])
2284         dnl **********************************
2285         dnl ***     Checks for sin_len     ***
2286         dnl **********************************
2287         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2288         AC_TRY_COMPILE([
2289                 #include <netinet/in.h>
2290                 ], [
2291                 struct sockaddr_in saddr;
2292                 saddr.sin_len = sizeof (saddr);
2293                 ],[
2294                         AC_MSG_RESULT(yes)
2295                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2296                 ], [
2297                         AC_MSG_RESULT(no)
2298                 ])      
2299         dnl **********************************
2300         dnl ***    Checks for sin6_len     ***
2301         dnl **********************************
2302         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2303         AC_TRY_COMPILE([
2304                 #include <netinet/in.h>
2305                 ], [
2306                 struct sockaddr_in6 saddr6;
2307                 saddr6.sin6_len = sizeof (saddr6);
2308                 ],[
2309                         AC_MSG_RESULT(yes)
2310                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2311                 ], [
2312                         AC_MSG_RESULT(no)
2313                 ])
2314         dnl **********************************
2315         dnl *** Check for getifaddrs       ***
2316         dnl **********************************
2317         AC_MSG_CHECKING(for getifaddrs)
2318                 AC_TRY_LINK([
2319                 #include <stdio.h>
2320                 #include <sys/types.h>
2321                 #include <sys/socket.h>
2322                 #include <ifaddrs.h>
2323         ], [
2324                 getifaddrs(NULL);
2325         ], [
2326                 # Yes, we have it...
2327                 AC_MSG_RESULT(yes)
2328                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2329         ], [
2330                 AC_MSG_RESULT(no)
2331         ])
2332         dnl **********************************
2333         dnl *** Check for if_nametoindex   ***
2334         dnl **********************************
2335         AC_MSG_CHECKING(for if_nametoindex)
2336                 AC_TRY_LINK([
2337                 #include <stdio.h>
2338                 #include <sys/types.h>
2339                 #include <sys/socket.h>
2340                 #include <net/if.h>
2341         ], [
2342                 if_nametoindex(NULL);
2343         ], [
2344                 # Yes, we have it...
2345                 AC_MSG_RESULT(yes)
2346                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2347         ], [
2348                 AC_MSG_RESULT(no)
2349         ])
2350                         
2351         dnl **********************************
2352         dnl *** Checks for proclib         ***
2353         dnl **********************************
2354         AC_CHECK_HEADER(sys/errno.h, [AC_DEFINE(HAVE_SYS_ERRNO_H, 1, Define to 1 if you have the <sys/errno.h> header file.)])
2355         dnl **********************************
2356         dnl *** Checks for MonoPosixHelper ***
2357         dnl **********************************
2358         AC_CHECK_HEADERS(checklist.h)
2359         AC_CHECK_HEADERS(pathconf.h)
2360         AC_CHECK_HEADERS(fstab.h)
2361         AC_CHECK_HEADERS(attr/xattr.h)
2362         AC_CHECK_HEADERS(sys/extattr.h)
2363         AC_CHECK_HEADERS(sys/sendfile.h)
2364         AC_CHECK_HEADERS(sys/statvfs.h)
2365         AC_CHECK_HEADERS(sys/statfs.h)
2366         AC_CHECK_HEADERS(sys/vfstab.h)
2367         AC_CHECK_HEADERS(sys/xattr.h)
2368         AC_CHECK_HEADERS(sys/mman.h)
2369         AC_CHECK_HEADERS(sys/param.h)
2370         AC_CHECK_HEADERS(sys/mount.h, [], [],
2371                 [
2372                 #ifdef HAVE_SYS_PARAM_H
2373                 # include <sys/param.h>
2374                 #endif
2375                 ])
2376         AC_CHECK_HEADERS(sys/mount.h)
2377         AC_CHECK_FUNCS(confstr)
2378         AC_CHECK_FUNCS(seekdir telldir)
2379         AC_CHECK_FUNCS(getdomainname)
2380         AC_CHECK_FUNCS(setdomainname)
2381         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2382         AC_CHECK_FUNCS(setgroups)
2383         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2384         AC_CHECK_FUNCS(getfsstat)
2385         AC_CHECK_FUNCS(lutimes futimes)
2386         AC_CHECK_FUNCS(mremap)
2387         AC_CHECK_FUNCS(remap_file_pages)
2388         AC_CHECK_FUNCS(posix_fadvise)
2389         AC_CHECK_FUNCS(posix_fallocate)
2390         AC_CHECK_FUNCS(posix_madvise)
2391         AC_CHECK_FUNCS(vsnprintf)
2392         AC_CHECK_FUNCS(sendfile)
2393         AC_CHECK_FUNCS(gethostid sethostid)
2394         AC_CHECK_FUNCS(sethostname)
2395         AC_CHECK_FUNCS(statfs)
2396         AC_CHECK_FUNCS(fstatfs)
2397         AC_CHECK_FUNCS(statvfs)
2398         AC_CHECK_FUNCS(fstatvfs)
2399         AC_CHECK_FUNCS(stime)
2400         AC_CHECK_FUNCS(strerror_r)
2401         AC_CHECK_FUNCS(ttyname_r)
2402         AC_CHECK_FUNCS(psignal)
2403         AC_CHECK_FUNCS(getlogin_r)
2404         AC_CHECK_FUNCS(lockf)
2405         AC_CHECK_FUNCS(swab)
2406         AC_CHECK_FUNCS(setusershell endusershell)
2407         AC_CHECK_FUNCS(futimens utimensat)
2408         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2409         AC_CHECK_FUNCS(readv writev preadv pwritev)
2410         AC_CHECK_FUNCS(setpgid)
2411         AC_CHECK_FUNCS(system)
2412         AC_CHECK_FUNCS(fork execv execve)
2413         AC_CHECK_FUNCS(accept4)
2414         AC_CHECK_SIZEOF(size_t)
2415         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2416                 [#include <sys/types.h>
2417                  #include <sys/stat.h>
2418                  #include <unistd.h>])
2419         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2420                 [#include <sys/types.h>
2421                  #include <sys/stat.h>
2422                  #include <unistd.h>])
2423         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2424                 [#include <sys/time.h>])
2425         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2426                 [#include <sys/socket.h>])
2427         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2428                 [#include <unistd.h>
2429                  #include <fcntl.h>])
2430         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2431                 [#include <sys/uio.h>])
2432         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2433                 [#include <sys/socket.h>])
2434         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2435                 [#include <sys/poll.h>])
2436         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2437                 [#include <sys/socket.h>])
2438         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2439                 [#include <sys/socket.h>])
2440         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2441                 [#include <netinet/in.h>])
2442         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2443                 [#include <netinet/in.h>])
2444         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2445                 [#include <sys/un.h>])
2446         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2447                 [#include <sys/types.h>
2448                  #include <sys/stat.h>
2449                  #include <unistd.h>])
2450         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2451                 [#include <time.h>])
2452         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2453                 [#include <sys/time.h>
2454                  #include <sys/types.h>
2455                  #include <utime.h>])
2456         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2457                 [#include <sys/time.h>])
2458         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2459                 [#include <sys/types.h>
2460                  #include <utime.h>])
2461         AC_CHECK_MEMBERS(
2462                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2463                 [#include <sys/types.h>
2464                  #include <dirent.h>])
2465         AC_CHECK_MEMBERS(
2466                 [struct passwd.pw_gecos],,, 
2467                 [#include <sys/types.h>
2468                  #include <pwd.h>])
2469         AC_CHECK_MEMBERS(
2470                 [struct statfs.f_flags],,, 
2471                 [#include <sys/types.h>
2472                  #include <sys/vfs.h>])
2473         AC_CHECK_MEMBERS(
2474                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2475                 [#include <sys/types.h>
2476                  #include <sys/stat.h>
2477                  #include <unistd.h>])
2478
2479         dnl Favour xattr through glibc, but use libattr if we have to
2480         AC_CHECK_FUNC(lsetxattr, ,
2481                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2482         )
2483         AC_SUBST(XATTR_LIB)
2484
2485         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2486         AC_CHECK_MEMBERS(
2487                 [struct kinfo_proc.kp_proc],,, 
2488                 [#include <sys/types.h>
2489                  #include <sys/param.h>
2490                  #include <sys/sysctl.h>
2491                  #include <sys/proc.h>
2492                  ])
2493
2494         dnl *********************************
2495         dnl *** Checks for Windows compilation ***
2496         dnl *********************************
2497         AC_CHECK_HEADERS(sys/time.h)
2498         AC_CHECK_HEADERS(sys/param.h)
2499         AC_CHECK_HEADERS(dirent.h)
2500
2501         dnl ******************************************
2502         dnl *** Checks for OSX and iOS compilation ***
2503         dnl ******************************************
2504         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2505
2506         dnl *********************************
2507         dnl *** Check for Console 2.0 I/O ***
2508         dnl *********************************
2509         AC_CHECK_HEADERS([curses.h])
2510         AC_CHECK_HEADERS([term.h], [], [],
2511         [#if HAVE_CURSES_H
2512          #include <curses.h>
2513          #endif
2514         ])
2515         AC_CHECK_HEADERS([termios.h])
2516 else
2517         dnl *********************************
2518         dnl *** Checks for Windows compilation ***
2519         dnl *********************************
2520         AC_CHECK_HEADERS(winternl.h)
2521
2522         jdk_headers_found=no
2523         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2524         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2525         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2526         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2527         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2528         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2529         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2530
2531         dnl *********************************
2532         dnl *** Check for struct ip_mreqn ***
2533         dnl *********************************
2534         AC_MSG_CHECKING(for struct ip_mreqn)
2535         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2536                 struct ip_mreqn mreq;
2537                 mreq.imr_address.s_addr = 0;
2538         ], [
2539                 # Yes, we have it...
2540                 AC_MSG_RESULT(yes)
2541                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2542         ], [
2543                 # We'll just have to try and use struct ip_mreq
2544                 AC_MSG_RESULT(no)
2545                 AC_MSG_CHECKING(for struct ip_mreq)
2546                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2547                         struct ip_mreq mreq;
2548                         mreq.imr_interface.s_addr = 0;
2549                 ], [
2550                         # Yes, we have it...
2551                         AC_MSG_RESULT(yes)
2552                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2553                 ], [
2554                         # No multicast support
2555                         AC_MSG_RESULT(no)
2556                 ])
2557         ])
2558
2559         dnl **********************************
2560         dnl *** Check for getaddrinfo ***
2561         dnl **********************************
2562         AC_MSG_CHECKING(for getaddrinfo)
2563                 AC_TRY_LINK([
2564                 #include <stdio.h>
2565                 #include <winsock2.h>
2566                 #include <ws2tcpip.h>
2567         ], [
2568                 getaddrinfo(NULL,NULL,NULL,NULL);
2569         ], [
2570                 # Yes, we have it...
2571                 AC_MSG_RESULT(yes)
2572                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2573         ], [
2574                 AC_MSG_RESULT(no)
2575         ])
2576
2577         dnl **********************************
2578         dnl *** Check for gethostbyname ***
2579         dnl **********************************
2580         AC_MSG_CHECKING(for gethostbyname)
2581                 AC_TRY_LINK([
2582                 #include <stdio.h>
2583                 #include <winsock2.h>
2584                 #include <ws2tcpip.h>
2585         ], [
2586                 gethostbyname(NULL);
2587         ], [
2588                 # Yes, we have it...
2589                 AC_MSG_RESULT(yes)
2590                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2591         ], [
2592                 AC_MSG_RESULT(no)
2593         ])
2594
2595         dnl **********************************
2596         dnl *** Check for getprotobyname ***
2597         dnl **********************************
2598         AC_MSG_CHECKING(for getprotobyname)
2599                 AC_TRY_LINK([
2600                 #include <stdio.h>
2601                 #include <winsock2.h>
2602                 #include <ws2tcpip.h>
2603         ], [
2604                 getprotobyname(NULL);
2605         ], [
2606                 # Yes, we have it...
2607                 AC_MSG_RESULT(yes)
2608                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2609         ], [
2610                 AC_MSG_RESULT(no)
2611         ])
2612
2613         dnl **********************************
2614         dnl *** Check for getnameinfo ***
2615         dnl **********************************
2616         AC_MSG_CHECKING(for getnameinfo)
2617                 AC_TRY_LINK([
2618                 #include <stdio.h>
2619                 #include <winsock2.h>
2620                 #include <ws2tcpip.h>
2621         ], [
2622                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2623         ], [
2624                 # Yes, we have it...
2625                 AC_MSG_RESULT(yes)
2626                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2627         ], [
2628                 AC_MSG_RESULT(no)
2629         ])
2630
2631         dnl **********************************
2632         dnl *** Check for inet_ntop ***
2633         dnl **********************************
2634         AC_MSG_CHECKING(for inet_ntop)
2635                 AC_TRY_LINK([
2636                 #include <stdio.h>
2637                 #include <winsock2.h>
2638                 #include <ws2tcpip.h>
2639         ], [
2640                 inet_ntop (0, NULL, NULL, 0);
2641         ], [
2642                 # Yes, we have it...
2643                 AC_MSG_RESULT(yes)
2644                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2645         ], [
2646                 AC_MSG_RESULT(no)
2647         ])
2648
2649         dnl **********************************
2650         dnl *** Check for inet_pton ***
2651         dnl **********************************
2652         AC_MSG_CHECKING(for inet_pton)
2653                 AC_TRY_LINK([
2654                 #include <stdio.h>
2655                 #include <winsock2.h>
2656                 #include <ws2tcpip.h>
2657         ], [
2658                 #ifndef inet_pton
2659                 (void) inet_pton;
2660                 #endif
2661                 inet_pton (0, NULL, NULL);
2662         ], [
2663                 # Yes, we have it...
2664                 AC_MSG_RESULT(yes)
2665                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2666         ], [
2667                 AC_MSG_RESULT(no)
2668         ])
2669
2670         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2671         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2672         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2673         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2674         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2675         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2676         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2677 fi
2678
2679 dnl socklen_t check
2680 AC_MSG_CHECKING(for socklen_t)
2681 AC_TRY_COMPILE([
2682 #include <sys/types.h>
2683 #include <sys/socket.h>
2684 ],[
2685   socklen_t foo;
2686 ],[
2687 ac_cv_c_socklen_t=yes
2688         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2689         AC_MSG_RESULT(yes)
2690 ],[
2691         AC_MSG_RESULT(no)
2692 ])
2693
2694 AC_MSG_CHECKING(for array element initializer support)
2695 AC_TRY_COMPILE([#include <sys/socket.h>], [
2696         const int array[] = {[1] = 2,};
2697 ], [
2698         # Yes, we have it...
2699         AC_MSG_RESULT(yes)
2700         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2701 ], [
2702         # We'll have to use signals
2703         AC_MSG_RESULT(no)
2704 ])
2705
2706 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2707         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2708         AC_TRY_LINK([#include <math.h>], 
2709         [ static void *p = &trunc; ],
2710         [
2711                 AC_DEFINE(HAVE_TRUNC) 
2712                 AC_MSG_RESULT(yes)
2713                 ac_cv_trunc=yes
2714         ],
2715         AC_MSG_RESULT(no)))
2716
2717 if test "x$ac_cv_truncl" != "xyes"; then
2718    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2719 fi
2720
2721 AC_CHECK_FUNCS(execvp)
2722
2723 dnl ****************************
2724 dnl *** Look for /dev/random ***
2725 dnl ****************************
2726
2727 AC_MSG_CHECKING([if usage of random device is requested])
2728 AC_ARG_ENABLE(dev-random,
2729 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2730 try_dev_random=$enableval, try_dev_random=yes)
2731
2732 AC_MSG_RESULT($try_dev_random)
2733
2734 case "{$build}" in
2735     *-openbsd*)
2736     NAME_DEV_RANDOM="/dev/srandom"
2737     ;;
2738
2739 dnl Win32 does not have /dev/random, they have their own method...
2740
2741     *-mingw*|*-*-cygwin*)
2742     ac_cv_have_dev_random=no
2743     ;;
2744
2745 dnl Everywhere else, it's /dev/random
2746
2747     *)
2748     NAME_DEV_RANDOM="/dev/random"
2749     ;;
2750 esac
2751
2752 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2753
2754 dnl Now check if the device actually exists
2755
2756 if test "x$try_dev_random" = "xyes"; then
2757     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2758     [if test -r "$NAME_DEV_RANDOM" ; then
2759         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2760     if test "x$ac_cv_have_dev_random" = "xyes"; then
2761         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2762     fi
2763 else
2764     AC_MSG_CHECKING(for random device)
2765     ac_cv_have_dev_random=no
2766     AC_MSG_RESULT(has been disabled)
2767 fi
2768
2769 if test "x$host_win32" = "xyes"; then
2770     AC_DEFINE(HAVE_CRYPT_RNG)
2771 fi
2772
2773 if test "x$ac_cv_have_dev_random" = "xno" \
2774     && test "x$host_win32" = "xno"; then
2775     AC_MSG_WARN([[
2776 ***
2777 *** A system-provided entropy source was not found on this system.
2778 *** Because of this, the System.Security.Cryptography random number generator
2779 *** will throw a NotImplemented exception.
2780 ***
2781 *** If you are seeing this message, and you know your system DOES have an
2782 *** entropy collection in place, please contact <crichton@gimp.org> and
2783 *** provide information about the system and how to access the random device.
2784 ***
2785 *** Otherwise you can install either egd or prngd and set the environment
2786 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2787 ***]])
2788 fi
2789
2790 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2791
2792 AC_MSG_CHECKING([if big-arrays are to be enabled])
2793 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2794 if test "x$enable_big_arrays" = "xyes" ; then
2795     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2796         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2797     else
2798         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2799     fi
2800 fi
2801 AC_MSG_RESULT($enable_big_arrays)
2802
2803 dnl **************
2804 dnl *** DTRACE ***
2805 dnl **************
2806
2807 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2808
2809 if test "x$enable_dtrace" = "xyes"; then
2810    if test "x$has_dtrace" = "xno"; then
2811           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2812    fi
2813    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2814    if test "x$DTRACE" = "xno"; then
2815           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2816           enable_dtrace=no
2817    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2818           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2819           enable_dtrace=no
2820    fi
2821 fi
2822
2823 dtrace_g=no
2824 if test "x$enable_dtrace" = "xyes"; then
2825         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2826         DTRACEFLAGS=
2827         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2828                 case "$host" in
2829                         powerpc-*-darwin*)
2830                         DTRACEFLAGS="-arch ppc64"
2831                         ;;
2832                         i*86-*-darwin*)
2833                         DTRACEFLAGS="-arch x86_64"
2834                         ;;
2835                         *)
2836                         DTRACEFLAGS=-64
2837                         ;;
2838                 esac
2839         else
2840                 case "$host" in
2841                         powerpc-*-darwin*)
2842                         DTRACEFLAGS="-arch ppc"
2843                         ;;
2844                         i*86-*-darwin*)
2845                         DTRACEFLAGS="-arch i386"
2846                         ;;
2847                         *)
2848                         DTRACEFLAGS=-32
2849                         ;;
2850                 esac
2851         fi
2852         AC_SUBST(DTRACEFLAGS)
2853         case "$host" in
2854                 *-*-solaris*)
2855                 dtrace_g=yes
2856                 ;;
2857         esac
2858         AC_CHECK_HEADERS([sys/sdt.h])
2859 fi
2860 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2861 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2862
2863 dnl **************
2864 dnl ***  NaCl  ***
2865 dnl **************
2866
2867 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2868 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2869
2870 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2871
2872 dnl
2873 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2874 dnl
2875 nacl_self_host=""
2876 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2877    nacl_self_host="nacl_self_host"
2878 fi
2879 AC_SUBST(nacl_self_host)
2880
2881 if test "x$enable_nacl_codegen" = "xyes"; then
2882    MONO_NACL_ALIGN_MASK_OFF=1
2883    AC_DEFINE(TARGET_NACL, 1, [...])
2884    AC_DEFINE(__native_client_codegen__, 1, [...])
2885 fi
2886 if test "x$enable_nacl_gc" = "xyes"; then
2887    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2888       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2889    else
2890       # Not yet implemented
2891       INSTRUMENT_CFLAG=""
2892    fi
2893    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2894 fi
2895 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2896
2897 dnl **************************
2898 dnl *** AOT cross offsets  ***
2899 dnl **************************
2900
2901 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2902     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2903
2904 dnl **************
2905 dnl ***  LLVM  ***
2906 dnl **************
2907
2908 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2909 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2910 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2911 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2912
2913 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2914
2915 if test "x$enable_llvm" = "xdefault"; then
2916    enable_llvm=$enable_llvm_default
2917 fi
2918
2919 if test "x$enable_llvm" = "xyes"; then
2920    if test "x$with_llvm" != "x"; then
2921           LLVM_CONFIG=$with_llvm/bin/llvm-config
2922           if test x$host_win32 = xyes; then
2923                 LLVM_CONFIG=$LLVM_CONFIG.exe
2924           fi
2925           if test ! -x $LLVM_CONFIG; then
2926                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2927       fi
2928    else
2929       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2930       if test "x$LLVM_CONFIG" = "xno"; then
2931              AC_MSG_ERROR([llvm-config not found.])
2932       fi
2933    fi
2934
2935    llvm_codegen="x86codegen"
2936    case "$target" in
2937    arm*)
2938                 llvm_codegen="armcodegen"
2939                 ;;
2940    esac
2941
2942    if test "x$host_win32" = "xno"; then
2943
2944    # Should be something like '2.6' or '2.7svn'
2945    llvm_version=`$LLVM_CONFIG --version`
2946    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2947    AC_MSG_CHECKING(LLVM version)
2948    AC_MSG_RESULT($llvm_version $llvm_api_version)
2949    if echo $llvm_version | grep -q 'mono'; then
2950           if test "x$enable_llvm_version_check" = "xyes"; then
2951                  if test "$llvm_version" != "$expected_llvm_version"; then
2952                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2953                  fi
2954           fi
2955    else
2956           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.])
2957    fi
2958
2959    # The output of --cflags seems to include optimizations flags too
2960    if test $llvm_api_version -gt 100; then
2961           # The --cflags argument includes all kinds of warnings -pendantic etc.
2962           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2963           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2964    else
2965           LLVM_CFLAGS=`$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'`
2966       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2967    fi
2968    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2969    # from LLVM classes.
2970    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2971    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2972    # This might include empty lines
2973    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2974    llvm_jit_supported=yes
2975    llvm_jit_libs="jit mcjit $llvm_codegen"
2976    if test "x$host" != "x$target"; then
2977       # No need for jit libs
2978           llvm_jit_supported=no
2979       llvm_jit_libs=""
2980    elif test $llvm_api_version -gt 100; then
2981       llvm_jit_libs="orcjit $llvm_codegen"
2982    fi
2983    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2984    if test "x$LLVM_LIBS" = "x"; then
2985           echo "$LLVM_CONFIG --libs failed."
2986           exit 1
2987    fi
2988    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2989    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2990    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2991       LLVM_LIBS="$LLVM_LIBS -lc++"
2992    else
2993       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2994    fi
2995
2996    expected_llvm_version="3.4svn-mono-mono/e656cac"
2997
2998    else
2999        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
3000        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
3001        LLVM_LDFLAGS="-L$with_llvm/lib"
3002        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
3003        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
3004          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
3005          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
3006          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
3007          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
3008          -lLLVMAnalysis -lLLVMTarget \
3009          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
3010          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
3011          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
3012          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
3013          -lLLVMSupport -lstdc++"
3014        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
3015
3016        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
3017        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
3018    fi  
3019
3020    if test "x$llvm_api_version" = "x"; then
3021           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
3022           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
3023    else
3024           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
3025           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
3026    fi   
3027
3028    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
3029
3030    AC_SUBST(LLVM_CFLAGS)
3031    AC_SUBST(LLVM_CXXFLAGS)
3032    AC_SUBST(LLVM_LIBS)
3033    AC_SUBST(LLVM_LDFLAGS)
3034    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
3035 fi
3036
3037 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
3038 if test "x$enable_loadedllvm" = "xyes"; then
3039    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
3040 fi
3041 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
3042
3043 if test "x$enable_llvm" = "xyes"; then
3044    enable_llvm_runtime=yes
3045 fi
3046 if test "x$enable_llvm_runtime" = "xyes"; then
3047    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
3048 fi
3049 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
3050
3051 TARGET="unknown"
3052 ACCESS_UNALIGNED="yes"
3053
3054 LIBC="libc.so.6"
3055 INTL="libc.so.6"
3056 SQLITE="libsqlite.so.0"
3057 SQLITE3="libsqlite3.so.0"
3058 X11="libX11.so"
3059 GDKX11="libgdk-x11-2.0.so.0"
3060 GTKX11="libgtk-x11-2.0.so.0"
3061 XINERAMA="libXinerama.so.1"
3062
3063 sizeof_register="SIZEOF_VOID_P"
3064
3065 jit_wanted=true
3066 boehm_supported=true
3067 BTLS_SUPPORTED=no
3068 BTLS_PLATFORM=
3069 case "$host" in
3070         mips*)
3071                 TARGET=MIPS;
3072                 arch_target=mips;
3073                 with_tls=pthread;
3074                 ACCESS_UNALIGNED="no"
3075
3076                 AC_MSG_CHECKING(for mips n32)
3077                 AC_TRY_COMPILE([],[
3078                 #if _MIPS_SIM != _ABIN32
3079                 #error Not mips n32
3080                 #endif
3081                 return 0;
3082                 ],[
3083                 AC_MSG_RESULT(yes)
3084                 sizeof_register=8
3085                 ],[
3086                 AC_MSG_RESULT(no)
3087                 ])
3088                 ;;
3089         i*86-*-*)
3090                 TARGET=X86;
3091                 arch_target=x86;
3092                 case $host_os in
3093                   solaris*)
3094                         LIBC="libc.so"
3095                         INTL="libintl.so"
3096                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3097                                 TARGET=AMD64
3098                                 arch_target=amd64
3099                         fi
3100
3101                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
3102                         # int astruct __attribute__ ((visibility ("hidden")));
3103                         # void foo ()
3104                         # {
3105                         #       void *p = &astruct;
3106                         # }
3107                         # gcc -fPIC --shared -o libfoo.so foo.c
3108                         # yields:
3109                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3110                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3111                         have_visibility_hidden=no
3112                         ;;
3113                   mingw*|cygwin*)
3114                         have_visibility_hidden=no                 
3115                         ;;
3116                   haiku*)
3117                         LIBC=libroot.so
3118                         ;;
3119                   linux*)
3120                         AOT_SUPPORTED="yes"
3121                         BTLS_SUPPORTED=yes
3122                         BTLS_PLATFORM=i386
3123                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3124                         ;;
3125                   darwin*)
3126                         AOT_SUPPORTED="yes"
3127                         BTLS_SUPPORTED=yes
3128                         BTLS_PLATFORM=i386
3129                         ;;
3130                   openbsd*|freebsd*|kfreebsd-gnu*)
3131                         ;;
3132                 esac
3133                 ;;
3134         x86_64-*-* | amd64-*-*)
3135                 TARGET=AMD64;
3136                 arch_target=amd64;
3137                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3138                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3139                         sizeof_register=8
3140                 fi
3141                 case $host_os in
3142                   linux*)
3143                         AOT_SUPPORTED="yes"
3144                         BTLS_SUPPORTED=yes
3145                         BTLS_PLATFORM=x86_64
3146                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3147                         ;;
3148                   darwin*)
3149                         AOT_SUPPORTED="yes"
3150                         BTLS_SUPPORTED=yes
3151                         BTLS_PLATFORM=x86_64
3152                         boehm_supported=false
3153                         ;;
3154                   openbsd*|freebsd*|kfreebsd-gnu*)
3155                         ;;
3156                   mingw*)
3157                         ;;
3158                 esac
3159                 case "$host" in
3160                         x86_64-*-nacl*)
3161                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3162                                 sizeof_register=8
3163                                 ;;
3164                 esac
3165                 ;;
3166         ia64-*-*)
3167                 TARGET=IA64
3168                 arch_target=ia64
3169                 ACCESS_UNALIGNED="no"
3170                 LIBC="libc.so.6.1"
3171                 INTL="libc.so.6.1"
3172                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
3173                 libmono_ldflags="-lunwind"
3174                 ;;
3175         sparc*-*-*)
3176                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3177                    TARGET=SPARC64
3178                 else
3179                         TARGET=SPARC
3180                 fi
3181                 arch_target=sparc;
3182                 ACCESS_UNALIGNED="no"
3183                 case $host_os in
3184                   linux*) ;;
3185                   *)
3186                         LIBC="libc.so"
3187                         INTL="libintl.so"
3188                 esac
3189                 if test x"$GCC" = xyes; then
3190                         # We don't support v8 cpus
3191                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3192                 fi
3193                 if test x"$AR" = xfalse; then
3194                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3195                 fi
3196                 ;;
3197         *-mingw*|*-*-cygwin*)
3198                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3199                 have_visibility_hidden=no
3200                 INTL="intl"
3201                 ;;
3202         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3203         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3204                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3205                         TARGET=POWERPC64;
3206                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3207                         CFLAGS="$CFLAGS -mminimal-toc"
3208                 else
3209                         TARGET=POWERPC;
3210                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3211                 fi
3212                 arch_target=ppc;
3213                 case $host_os in
3214                   linux*|darwin*)
3215                         ;;
3216                 esac
3217                 ;;
3218         armv7k-*-darwin*)
3219                 TARGET=ARM;
3220                 TARGET_SYS=WATCHOS
3221                 arch_target=arm;
3222                 arm_fpu=VFP_HARD
3223                 ACCESS_UNALIGNED="no"
3224                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3225                 ;;
3226
3227         arm*-darwin*)
3228                 TARGET=ARM;
3229                 arch_target=arm;
3230                 ACCESS_UNALIGNED="no"
3231                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3232                 ;;
3233         arm*-linux*)
3234                 TARGET=ARM;
3235                 arch_target=arm;
3236                 ACCESS_UNALIGNED="no"
3237                 AOT_SUPPORTED="yes"
3238                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3239                 ;;
3240         arm*-netbsd*-eabi*)
3241                 TARGET=ARM;
3242                 arch_target=arm;
3243                 ACCESS_UNALIGNED="no"
3244                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3245                 ;;
3246 # TODO: make proper support for NaCl host.
3247 #        arm*-*nacl)
3248 #               TARGET=ARM;
3249 #               arch_target=arm;
3250 #               ACCESS_UNALIGNED="no"
3251 #               AOT_SUPPORTED="no"
3252 #               ;;
3253         aarch64-*)
3254                 # https://lkml.org/lkml/2012/7/15/133
3255                 TARGET=ARM64
3256                 arch_target=arm64
3257                 boehm_supported=false
3258                 AOT_SUPPORTED="yes"
3259                 ;;
3260         s390x-*-linux*)
3261                 TARGET=S390X;
3262                 arch_target=s390x;
3263                 ACCESS_UNALIGNED="yes"
3264                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3265                 ;;
3266 esac
3267
3268 HOST=$TARGET
3269
3270 if test "x$host" != "x$target"; then
3271    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3272    enable_mcs_build=no
3273    BTLS_SUPPORTED=no
3274    case "$target" in
3275    arm*-darwin*)
3276                 TARGET=ARM;
3277                 arch_target=arm;
3278                 ACCESS_UNALIGNED="no"
3279                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3280                 # Can't use tls, since it depends on the runtime detection of tls offsets
3281                 # in mono-compiler.h
3282                 with_tls=pthread
3283                 case "$target" in
3284                 armv7k-*)
3285                         arm_fpu=VFP_HARD
3286                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3287                         ;;
3288                 esac            
3289                 ;;
3290    powerpc64-ps3-linux-gnu)
3291                 TARGET=POWERPC64
3292                 arch_target=powerpc64
3293                 AC_DEFINE(TARGET_PS3, 1, [...])
3294                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3295                 # uses this define
3296                 AC_DEFINE(__mono_ppc64__, 1, [...])
3297                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3298                 sizeof_register=8
3299                 target_byte_order=G_BIG_ENDIAN
3300                 ;;
3301    powerpc64-xbox360-linux-gnu)
3302                 TARGET=POWERPC64
3303                 arch_target=powerpc64
3304                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3305                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3306                 # uses this define
3307                 sizeof_register=8
3308                 target_byte_order=G_BIG_ENDIAN
3309                 ;;
3310    x86_64-*-nacl)
3311                 TARGET=AMD64
3312                 arch_target=amd64
3313                 AC_DEFINE(TARGET_AMD64, 1, [...])
3314                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3315                 sizeof_register=8
3316                 ;;
3317 # TODO: make proper support for NaCl target.
3318 #   arm*-*nacl)
3319 #               TARGET=ARM
3320 #               arch_target=arm
3321 #               AC_DEFINE(TARGET_ARM, 1, [...])
3322 #               ACCESS_UNALIGNED="no"
3323 #               sizeof_register=4
3324 #               CPPFLAGS="$CPPFLAGS \
3325 #                    -D__ARM_EABI__ \
3326 #                    -D__arm__ \
3327 #                    -D__portable_native_client__ \
3328 #                    -Dtimezone=_timezone \
3329 #                    -DDISABLE_SOCKETS \
3330 #                    -DDISABLE_ATTACH \
3331 #                    -DUSE_NEWLIB"
3332                 # Can't use tls, since it depends on the runtime detection of tls offsets
3333                 # in mono-compiler.h
3334 #               with_tls=pthread
3335 #               ;;
3336    i686-*-nacl)
3337                 TARGET=X86
3338                 arch_target=x86
3339                 AC_DEFINE(TARGET_X86, 1, [...])
3340                 sizeof_register=4
3341                 ;;
3342    arm*-linux-*)
3343                 TARGET=ARM;
3344                 arch_target=arm;
3345                 AC_DEFINE(TARGET_ARM, 1, [...])
3346                 ACCESS_UNALIGNED="no"
3347                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3348                 # Can't use tls, since it depends on the runtime detection of tls offsets
3349                 # in mono-compiler.h
3350                 with_tls=pthread
3351                 target_mach=no
3352                 case "$target" in
3353                 armv7l-unknown-linux-gnueabi*)
3354                         # TEGRA
3355                         CPPFLAGS="$CPPFLAGS"
3356                         ;;
3357                 armv5-*-linux-androideabi*)
3358                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3359                         CPPFLAGS="$CPPFLAGS"
3360                         ;;
3361                 *-linux-androideabi*)
3362                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3363                         CPPFLAGS="$CPPFLAGS"
3364                         ;;
3365                 esac
3366                 ;;
3367    arm*-netbsd*-eabi*)
3368                 TARGET=ARM;
3369                 arch_target=arm;
3370                 AC_DEFINE(TARGET_ARM, 1, [...])
3371                 ACCESS_UNALIGNED="no"
3372                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3373                 # Can't use tls, since it depends on the runtime detection of tls offsets
3374                 # in mono-compiler.h
3375                 with_tls=pthread
3376                 target_mach=no
3377                 ;;
3378    i686*-linux-*)
3379                 TARGET=X86;
3380                 arch_target=x86;
3381                 AC_DEFINE(TARGET_X86, 1, [...])
3382                 CPPFLAGS="$CPPFLAGS"
3383                 # Can't use tls, since it depends on the runtime detection of tls offsets
3384                 # in mono-compiler.h            
3385                 with_tls=pthread
3386                 target_mach=no
3387
3388                 case "$target" in
3389                 *-linux-android*)
3390                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3391                         ;;
3392                 esac
3393                 ;;
3394    x86_64*-linux-*)
3395                 TARGET=AMD64;
3396                 arch_target=amd64;
3397                 AC_DEFINE(TARGET_AMD64, 1, [...])
3398                 CPPFLAGS="$CPPFLAGS"
3399                 # Can't use tls, since it depends on the runtime detection of tls offsets
3400                 # in mono-compiler.h
3401                 with_tls=pthread
3402                 target_mach=no
3403
3404                 case "$target" in
3405                 *-linux-android*)
3406                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3407                         ;;
3408                 esac
3409                 ;;
3410    x86_64-ps4-freebsd)
3411                 TARGET=AMD64;
3412                 arch_target=amd64;
3413                 AC_DEFINE(TARGET_AMD64, 1, [...])
3414                 AC_DEFINE(TARGET_PS4, 1, [...])
3415                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3416                 CPPFLAGS="$CPPFLAGS"
3417                 # Can't use tls, since it depends on the runtime detection of tls offsets
3418                 # in mono-compiler.h
3419                 with_tls=pthread
3420                 target_mach=no
3421                 target_win32=no
3422                 ;;
3423    aarch64*-linux-*)
3424                 TARGET=ARM64;
3425                 arch_target=arm64;
3426                 AC_DEFINE(TARGET_ARM64, 1, [...])
3427                 CPPFLAGS="$CPPFLAGS"
3428                 # Can't use tls, since it depends on the runtime detection of tls offsets
3429                 # in mono-compiler.h
3430                 with_tls=pthread
3431                 target_mach=no
3432                 case "$target" in
3433                 *-linux-android*)
3434                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3435                         ;;
3436                 esac
3437                 ;;
3438         aarch64-*)
3439                 TARGET=ARM64
3440                 ;;
3441         *)
3442                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3443         esac
3444 fi
3445
3446 case "$TARGET" in
3447 X86)
3448         AC_DEFINE(TARGET_X86, 1, [...])
3449         ;;
3450 AMD64)
3451         AC_DEFINE(TARGET_AMD64, 1, [...])
3452         ;;
3453 ARM)
3454         AC_DEFINE(TARGET_ARM, 1, [...])
3455         ;;
3456 ARM64)
3457         AC_DEFINE(TARGET_ARM64, 1, [...])
3458         ;;
3459 POWERPC)
3460         AC_DEFINE(TARGET_POWERPC, 1, [...])
3461         ;;
3462 POWERPC64)
3463         AC_DEFINE(TARGET_POWERPC, 1, [...])
3464         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3465         ;;
3466 S390X)
3467         AC_DEFINE(TARGET_S390X, 1, [...])
3468         ;;
3469 MIPS)
3470         AC_DEFINE(TARGET_MIPS, 1, [...])
3471         ;;
3472 IA64)
3473         AC_DEFINE(TARGET_IA64, 1, [...])
3474         ;;
3475 SPARC)
3476         AC_DEFINE(TARGET_SPARC, 1, [...])
3477         ;;
3478 SPARC64)
3479         AC_DEFINE(TARGET_SPARC64, 1, [...])
3480         ;;
3481 esac
3482
3483 case "$HOST" in
3484 X86)
3485         AC_DEFINE(HOST_X86, 1, [...])
3486         ;;
3487 AMD64)
3488         AC_DEFINE(HOST_AMD64, 1, [...])
3489         ;;
3490 ARM)
3491         AC_DEFINE(HOST_ARM, 1, [...])
3492         ;;
3493 ARM64)
3494         AC_DEFINE(HOST_ARM64, 1, [...])
3495         ;;
3496 POWERPC)
3497         AC_DEFINE(HOST_POWERPC, 1, [...])
3498         ;;
3499 POWERPC64)
3500         AC_DEFINE(HOST_POWERPC, 1, [...])
3501         AC_DEFINE(HOST_POWERPC64, 1, [...])
3502         ;;
3503 S390X)
3504         AC_DEFINE(HOST_S390X, 1, [...])
3505         ;;
3506 MIPS)
3507         AC_DEFINE(HOST_MIPS, 1, [...])
3508         ;;
3509 IA64)
3510         AC_DEFINE(HOST_IA64, 1, [...])
3511         ;;
3512 SPARC)
3513         AC_DEFINE(HOST_SPARC, 1, [...])
3514         ;;
3515 SPARC64)
3516         AC_DEFINE(HOST_SPARC64, 1, [...])
3517         ;;
3518 esac
3519
3520
3521
3522 dnl *************
3523 dnl *** VTUNE ***
3524 dnl *************
3525
3526 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3527 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3528
3529 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3530
3531 if test "x$enable_vtune" = "xyes"; then
3532         if test "x$with_vtune" = "x"; then
3533                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3534         else
3535                 VTUNE_PATH=$with_vtune
3536         fi
3537         VTUNE_INCLUDE=$VTUNE_PATH/include
3538         case "$TARGET" in
3539         X86)
3540                 VTUNE_LIB=$VTUNE_PATH/lib32
3541                 ;;
3542         AMD64)
3543                 VTUNE_LIB=$VTUNE_PATH/lib64
3544                 ;;
3545         *)
3546                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3547                 ;;
3548         esac
3549         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3550                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3551         fi
3552         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3553                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3554         fi
3555
3556         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3557         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3558
3559         AC_SUBST(VTUNE_LIBS)
3560         AC_SUBST(VTUNE_CFLAGS)
3561 fi
3562 dnl Use GCC atomic ops if they work on the target.
3563 if test x$GCC = "xyes"; then
3564         case $TARGET in
3565         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3566                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3567                 ;;
3568         esac
3569 fi
3570
3571 if test "x$target_mach" = "xyes"; then
3572
3573    if test "x$TARGET_SYS" = "xWATCHOS"; then
3574           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3575           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3576           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3577           BTLS_SUPPORTED=no
3578    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3579           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3580           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3581           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3582           BTLS_SUPPORTED=no
3583    else
3584        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3585        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3586        #error fail this for ios
3587        #endif
3588        return 0;
3589        ], [
3590                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3591           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3592           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3593           target_osx=yes
3594        ], [
3595           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3596           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3597           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3598           BTLS_SUPPORTED=no
3599        ])
3600         fi
3601    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3602 fi
3603
3604 AM_CONDITIONAL(TARGET_OSX, test x$target_osx = xyes)
3605
3606 if test "x$sizeof_register" = "x4"; then
3607    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3608 elif test "x$sizeof_register" = "x8"; then
3609    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3610 else
3611    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3612 fi
3613
3614 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3615    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3616 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3617    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3618 else
3619    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3620 fi
3621
3622 if test "x$have_visibility_hidden" = "xyes"; then
3623    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3624 fi
3625
3626 if test "x$have_deprecated" = "xyes"; then
3627    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3628 fi
3629
3630 AC_ARG_ENABLE(interpreter, [  --enable-interpreter       Enable Interpreter], enable_interpreter=$enableval, enable_interpreter=no)
3631
3632 if test "x$enable_interpreter" = "xyes"; then
3633         AC_DEFINE(ENABLE_INTERPRETER, 1, [Enable Interpreter])
3634 fi
3635
3636 AM_CONDITIONAL(ENABLE_INTERPRETER, [test x$enable_interpreter = xyes])
3637
3638
3639 dnl 
3640 dnl Simple Generational checks (sgen)
3641 dnl
3642 SGEN_DEFINES=
3643 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3644 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3645 if test x$buildsgen = xyes; then
3646    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3647    SGEN_DEFINES="-DHAVE_SGEN_GC"
3648
3649         conc_gc_msg=""
3650    if test x$with_sgen_default_concurrent != xno; then
3651        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3652            conc_gc_msg=" (concurrent by default)"
3653    fi
3654
3655    if test "x$gc_msg" = "x"; then
3656       gc_msg="sgen$conc_gc_msg"
3657    else
3658       gc_msg="sgen$conc_gc_msg and $gc_msg"
3659    fi
3660 fi
3661 AC_SUBST(SGEN_DEFINES)
3662 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3663
3664 jit_status="Building and using the JIT"
3665
3666 libsuffix=".so"
3667
3668 case "$host" in
3669      *-*-darwin*)
3670         libsuffix=".dylib"
3671         LIBC="libc.dylib"
3672         INTL="libintl.dylib"
3673         SQLITE="libsqlite.0.dylib"
3674         SQLITE3="libsqlite3.0.dylib"
3675         X11="libX11.dylib"
3676         GDKX11="libgdk-x11-2.0.dylib"
3677         GTKX11="libgtk-x11-2.0.dylib"
3678         ;;
3679      *-*-*netbsd*)
3680         LIBC="libc.so"
3681         INTL="libintl.so"
3682         SQLITE="libsqlite.so"
3683         SQLITE3="libsqlite3.so"
3684         ;;
3685      *-*-kfreebsd*-gnu)
3686         LIBC="libc.so.0.1"
3687         INTL="libc.so.0.1"
3688         X11="libX11.so.6"
3689         ;;
3690     *-*-*freebsd*)
3691         LIBC="libc.so.7"
3692         INTL="libintl.so"
3693         SQLITE="libsqlite.so"
3694         SQLITE3="libsqlite3.so"
3695         ;;
3696     *-*-*openbsd*)
3697         LIBC="libc.so"
3698         INTL="libintl.so"
3699         SQLITE="libsqlite.so"
3700         SQLITE3="libsqlite3.so"
3701         ;;
3702     *-*-*linux*)
3703         AC_PATH_X
3704         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3705         AC_MSG_CHECKING(for the soname of libX11.so)
3706         for i in $x_libraries $dlsearch_path; do
3707                 for r in 4 5 6; do
3708                         if test -f $i/libX11.so.$r; then
3709                                 X11=libX11.so.$r
3710                                 AC_MSG_RESULT($X11)
3711                         fi
3712                 done
3713         done
3714         
3715         if test "x$X11" = "xlibX11.so"; then
3716                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3717                 X11=libX11.so.6
3718         fi
3719         ;;
3720 esac
3721
3722
3723 AC_SUBST(libsuffix)
3724
3725 AC_ARG_WITH([libgdiplus],
3726         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3727         [], [with_libgdiplus=installed])
3728
3729 # default install location
3730 libgdiplus_install_loc=libgdiplus${libsuffix}
3731 case "$host" in
3732     *-*-*linux*)
3733     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3734     ;;
3735 esac
3736
3737 case $with_libgdiplus in
3738     no|installed)
3739     libgdiplus_loc=
3740     ;;
3741
3742     yes|sibling)
3743     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3744     ;;
3745
3746     /*) # absolute path, assume it is an install location
3747     libgdiplus_loc=$with_libgdiplus
3748     libgdiplus_install_loc=$with_libgdiplus
3749     ;;
3750
3751     *)
3752     libgdiplus_loc=`pwd`/$with_libgdiplus
3753     ;;
3754 esac
3755 AC_SUBST([libgdiplus_loc])
3756 AC_SUBST([libgdiplus_install_loc])
3757
3758 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3759 if test "x$icall_symbol_map" = "xyes"; then
3760    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3761 fi
3762
3763 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3764 if test "x$icall_export" = "xyes"; then
3765    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3766 fi
3767
3768 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3769 if test "x$icall_tables" = "xno"; then
3770    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3771 fi
3772
3773 if test "x$with_tls" = "x__thread"; then
3774         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3775         # Pass the information to libgc
3776         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3777         AC_MSG_CHECKING(if the tls_model attribute is supported)
3778         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3779                 ], [
3780                         AC_MSG_RESULT(yes)
3781                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3782                 ], [
3783                         AC_MSG_RESULT(no)
3784         ])
3785 fi
3786
3787 if test ${TARGET} = ARM; then
3788         dnl ******************************************
3789         dnl *** Check to see what FPU is available ***
3790         dnl ******************************************
3791         AC_MSG_CHECKING(which FPU to use)
3792
3793         #
3794         # This is a bit tricky:
3795         #
3796         # if (__ARM_PCS_VFP) {
3797         #       /* mfloat-abi=hard == VFP with hard ABI */
3798         # } elif (!__SOFTFP__) {
3799         #       /* mfloat-abi=softfp == VFP with soft ABI */
3800         # } else {
3801         #       /* mfloat-abi=soft == no VFP */
3802         # }
3803         #
3804         # The exception is iOS (w/ GCC) where none of the above
3805         # are defined (but iOS always uses the 'softfp' ABI).
3806         #
3807         # No support for FPA.
3808         #
3809
3810         fpu=NONE
3811
3812         # iOS GCC always uses the 'softfp' ABI.
3813         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3814                 fpu=VFP
3815         fi
3816
3817         # Are we using the 'hard' ABI?
3818         if test x$fpu = xNONE; then
3819                 AC_TRY_COMPILE([], [
3820                         #ifndef __ARM_PCS_VFP
3821                         #error "Float ABI is not 'hard'"
3822                         #endif
3823                         return 0;
3824                 ], [
3825                         fpu=VFP_HARD
3826                 ], [
3827                         fpu=NONE
3828                 ])
3829         fi
3830
3831         # No 'hard' ABI. 'soft' or 'softfp'?
3832         if test x$fpu = xNONE; then
3833                 AC_TRY_COMPILE([], [
3834                         #ifdef __SOFTFP__
3835                         #error "Float ABI is not 'softfp'"
3836                         #endif
3837                         return 0;
3838                 ], [
3839                         fpu=VFP
3840                 ], [
3841                         fpu=NONE
3842                 ])
3843         fi
3844
3845         if test x$arm_fpu != x; then
3846            fpu=$arm_fpu
3847         fi
3848
3849         AC_MSG_RESULT($fpu)
3850         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3851         unset fpu
3852
3853         dnl *********************************************
3854         dnl *** Check which ARM version(s) we can use ***
3855         dnl *********************************************
3856         AC_MSG_CHECKING(which ARM version to use)
3857
3858         AC_TRY_COMPILE([], [
3859                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3860                 #error Not on ARM v5.
3861                 #endif
3862                 return 0;
3863         ], [
3864                 arm_v5=yes
3865
3866                 arm_ver=ARMv5
3867         ], [])
3868
3869         AC_TRY_COMPILE([], [
3870                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3871                 #error Not on ARM v6.
3872                 #endif
3873                 return 0;
3874         ], [
3875                 arm_v5=yes
3876                 arm_v6=yes
3877
3878                 arm_ver=ARMv6
3879         ], [])
3880
3881         AC_TRY_COMPILE([], [
3882                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3883                 #error Not on ARM v7.
3884                 #endif
3885                 return 0;
3886         ], [
3887                 arm_v5=yes
3888                 arm_v6=yes
3889                 arm_v7=yes
3890
3891                 arm_ver=ARMv7
3892         ], [])
3893
3894         AC_MSG_RESULT($arm_ver)
3895
3896         if test x$arm_v5 = xyes; then
3897                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3898                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3899         fi
3900
3901         if test x$arm_v6 = xyes; then
3902                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3903                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3904         fi
3905
3906         if test x$arm_v7 = xyes; then
3907                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3908                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3909         fi
3910 fi
3911
3912 if test ${TARGET} = unknown; then
3913         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3914         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3915 fi
3916
3917 if test "x$platform_android" = "xyes"; then
3918         case "x${TARGET}" in
3919         xARM)
3920                 case "x$arm_ver" in
3921                 xARMv5)
3922                         BTLS_SUPPORTED=yes
3923                         BTLS_PLATFORM=android-armv5
3924                         ;;
3925                 xARMv6)
3926                         BTLS_SUPPORTED=yes
3927                         BTLS_PLATFORM=android-armv6
3928                         ;;
3929                 xARMv7)
3930                         BTLS_SUPPORTED=yes
3931                         BTLS_PLATFORM=android-armv7
3932                         ;;
3933                 *)
3934                         BTLS_SUPPORTED=no
3935                         ;;
3936                 esac
3937                 ;;
3938         xARM64)
3939                 BTLS_SUPPORTED=yes
3940                 BTLS_PLATFORM=android-v8a
3941                 ;;
3942         xX86)
3943                 BTLS_SUPPORTED=yes
3944                 BTLS_PLATFORM=android-x86
3945                 ;;
3946         xAMD64)
3947                 BTLS_SUPPORTED=yes
3948                 BTLS_PLATFORM=android-x64
3949                 ;;
3950         *)
3951                 BTLS_SUPPORTED=no
3952                 ;;
3953         esac
3954 fi
3955
3956 if test ${ACCESS_UNALIGNED} = no; then
3957         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3958 fi
3959
3960 if test x$host_darwin = xyes; then
3961         AC_MSG_CHECKING([for ranlib that supports -no_warning_for_no_symbols option])
3962         AS_IF(
3963                 [$RANLIB -no_warning_for_no_symbols 2>&1 | grep -q "unknown option"],
3964                 [AC_MSG_RESULT([no])],
3965                 [
3966                         # avoid AR calling ranlib, libtool calls it anyway. suppress no symbols warning.
3967                         AR_FLAGS="Scru"
3968                         RANLIB="$RANLIB -no_warning_for_no_symbols"
3969                         AC_MSG_RESULT([yes])
3970                 ]
3971         )
3972 fi
3973
3974 case "x$libgc" in
3975         xincluded)
3976                 # Pass CPPFLAGS to libgc configure
3977                 # We should use a separate variable for this to avoid passing useless and
3978                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3979                 # This should be executed late so we pick up the final version of CPPFLAGS
3980                 # The problem with this approach, is that during a reconfigure, the main
3981                 # configure scripts gets invoked with these arguments, so we use separate
3982                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3983                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3984                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3985                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3986                 fi
3987                 # Don't pass -finstrument-for-thread-suspension in, 
3988                 # if these are instrumented it will be very bad news 
3989                 # (infinite recursion, undefined parking behavior, etc)
3990                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3991                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3992                 if test "x$support_boehm" = "xyes"; then
3993                         AC_CONFIG_SUBDIRS(libgc)
3994                 fi
3995                 ;;
3996 esac
3997
3998 MALLOC_MEMPOOLS=no
3999 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
4000         if test x$with_malloc_mempools = xyes; then
4001                 MALLOC_MEMPOOLS=yes
4002                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
4003         fi
4004 ])
4005
4006
4007 DISABLE_MCS_DOCS=default
4008 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
4009         if test x$with_mcs_docs != xyes; then
4010                 DISABLE_MCS_DOCS=yes
4011         fi
4012 ])
4013 if test -n "$INSTALL_4_x_TRUE"; then :
4014         DISABLE_MCS_DOCS=yes
4015 fi
4016 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
4017    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
4018 fi
4019
4020 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
4021         if test x$with_lazy_gc_thread_creation != xno ; then
4022                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
4023         fi
4024 ], [with_lazy_gc_thread_creation=no])
4025
4026 AC_ARG_WITH(cooperative_gc, [  --with-cooperative-gc=yes|no      Enable cooperative stop-the-world garbage collection (sgen only) (defaults to no)], [], [with_cooperative_gc=default])
4027
4028 if test x$with_cooperative_gc = xdefault; then
4029         with_cooperative_gc=$with_cooperative_gc_default
4030 fi
4031
4032 if test x$with_cooperative_gc != xno; then
4033         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
4034 fi
4035
4036 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
4037
4038 AC_ARG_ENABLE(checked_build, [  --enable-checked-build=LIST      To enable checked build (expensive asserts), configure with a comma-separated LIST of checked build modules and then include that same list in the environment variable MONO_CHECK_MODE at runtime. Recognized checked build modules: all, gc, metadata, thread],[
4039
4040         if test x$enable_checked_build != x ; then
4041                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
4042         fi
4043         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
4044                 eval "mono_checked_build_test_enable_$feature='yes'"
4045         done
4046
4047         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
4048                 eval "mono_checked_build_test_enable_gc='yes'"
4049                 eval "mono_checked_build_test_enable_metadata='yes'"
4050                 eval "mono_checked_build_test_enable_thread='yes'"
4051         fi
4052
4053         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
4054                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
4055         fi
4056
4057         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
4058                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
4059         fi
4060
4061         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
4062                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
4063         fi
4064
4065 ], [])
4066
4067 AC_CHECK_HEADER([malloc.h], 
4068                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
4069                         [Define to 1 if you have /usr/include/malloc.h.])],,)
4070
4071 if test x"$GCC" = xyes; then
4072         # Implicit function declarations are not 64 bit safe
4073         # Do this late, since this causes lots of configure tests to fail
4074         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
4075         # jay has a lot of implicit declarations
4076         JAY_CFLAGS="-Wno-implicit-function-declaration"
4077 fi
4078
4079 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
4080 # instead of libmono-static.a
4081 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
4082    LIBMONO_LA=libmini-static.la
4083 else
4084    if test x$buildsgen = xyes; then
4085       LIBMONO_LA=libmonosgen-$API_VER.la
4086    else
4087       LIBMONO_LA=libmonoboehm-$API_VER.la
4088    fi
4089 fi
4090 AC_SUBST(LIBMONO_LA)
4091
4092 dnl **************
4093 dnl ***  Btls  ***
4094 dnl **************
4095
4096 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
4097 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
4098
4099 AC_ARG_ENABLE(dynamic-btls, [ --enable-dynamic-btls Place the BTLS provider into a separate shared library/archive.], enable_dynamic_btls=$enableval, enable_dynamic_btls=no)
4100
4101 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
4102
4103 btls_android=no
4104 if test "x$enable_btls" = "xyes"; then
4105         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
4106         if test "x$CMAKE" = "xno"; then
4107                 AC_MSG_ERROR("cmake not found")
4108         fi
4109
4110         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
4111         AC_SUBST(BTLS_ROOT)
4112
4113         btls_arch=
4114         btls_cflags=
4115         BTLS_CMAKE_ARGS=
4116
4117         case "$BTLS_PLATFORM" in
4118         i386)
4119                 btls_arch=i386
4120                 btls_cflags="-m32"
4121                 case $host_os in
4122                         darwin*)
4123                                 btls_cflags="$btls_cflags -arch i386"
4124                 esac
4125                 ;;
4126         x86_64)
4127                 btls_arch=x86_64
4128                 ;;
4129         android-armv5)
4130                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4131                 ;;
4132         android-armv6)
4133                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4134                 ;;
4135         android-armv7)
4136                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
4137                 ;;
4138         android-v8a)
4139                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
4140                 ;;
4141         android-x86)
4142                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
4143                 ;;
4144         android-x64)
4145                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
4146                 ;;
4147         *)
4148                 AC_MSG_ERROR(Invalid BTLS platform)
4149         esac
4150
4151         if test "x$platform_android" = "xyes"; then
4152                 btls_android=yes
4153                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
4154                 if test "x$with_btls_android_ndk" != "x"; then
4155                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
4156                 else
4157                         AC_MSG_ERROR([Need to pass the --with-btls-android-ndk argument when building with BTLS support on Android.])
4158                 fi
4159         fi
4160
4161         if test "x$btls_arch" != "x"; then
4162                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
4163         fi
4164
4165         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4166         AC_SUBST(BTLS_ARCH)
4167         AC_SUBST(BTLS_CFLAGS)
4168         AC_SUBST(BTLS_PLATFORM)
4169         AC_SUBST(BTLS_CMAKE_ARGS)
4170
4171         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4172 else
4173         enable_btls=no
4174 fi
4175
4176 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4177
4178 if test x$DISABLE_MCS_DOCS = xyes; then
4179    docs_dir=""
4180 else
4181    docs_dir=docs
4182 fi
4183 AC_SUBST(docs_dir)
4184
4185 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4186 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4187
4188 libmono_ldflags="$libmono_ldflags $LIBS"
4189
4190 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4191 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4192 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4193 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4194 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4195 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4196 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
4197 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4198 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4199 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4200 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4201 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4202 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4203 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4204 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4205 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4206 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4207 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4208
4209 AC_SUBST(LIBC)
4210 AC_SUBST(INTL)
4211 AC_SUBST(SQLITE)
4212 AC_SUBST(SQLITE3)
4213 AC_SUBST(X11)
4214 AC_SUBST(GDKX11)
4215 AC_SUBST(GTKX11)
4216 AC_SUBST(XINERAMA)
4217 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4218 AC_SUBST(arch_target)
4219 AC_SUBST(CFLAGS)
4220 AC_SUBST(CPPFLAGS)
4221 AC_SUBST(LDFLAGS)
4222
4223 #This must always be defined when building the runtime
4224 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4225
4226 mono_build_root=`pwd`
4227 AC_SUBST(mono_build_root)
4228
4229 mono_runtime=mono/mini/mono
4230 AC_SUBST(mono_runtime)
4231
4232 CSC_LOCATION=`cd $srcdir && pwd`/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.2.0.0/tools/csc.exe
4233
4234 if test $csc_compiler = mcs; then
4235   CSC=$mcs_topdir/class/lib/build/mcs.exe
4236 else
4237   CSC=$CSC_LOCATION
4238 fi
4239
4240 mono_cfg_root=$mono_build_root/runtime
4241 if test x$host_win32 = xyes; then
4242   if test "x$cross_compiling" = "xno"; then
4243     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4244     CSC=`cygpath -m -a $CSC`
4245     CSC_LOCATION=`cygpath -m -a $CSC_LOCATION`
4246   else
4247     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4248   fi
4249 else
4250   mono_cfg_dir=$mono_cfg_root/etc
4251 fi
4252 AC_SUBST(mono_cfg_dir)
4253
4254 AC_SUBST(CSC)
4255
4256 AC_CONFIG_FILES([po/mcs/Makefile.in])
4257
4258 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4259 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4260
4261 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4262 [   depth=../../../..
4263     case $srcdir in
4264     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4265     .) reldir=$depth ;;
4266     *) reldir=$depth/$srcdir ;;
4267     esac
4268     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4269     cd runtime/etc/mono/1.0
4270     rm -f machine.config
4271     $LN_S $reldir/data/net_1_1/machine.config machine.config
4272     cd $depth
4273 ],[LN_S='$LN_S'])
4274
4275 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4276 [   depth=../../../..
4277     case $srcdir in
4278     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4279     .) reldir=$depth ;;
4280     *) reldir=$depth/$srcdir ;;
4281     esac
4282     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4283     cd runtime/etc/mono/2.0
4284     rm -f machine.config
4285     $LN_S $reldir/data/net_2_0/machine.config machine.config
4286     cd $depth
4287 ],[LN_S='$LN_S'])
4288
4289 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4290 [   depth=../../../..
4291     case $srcdir in
4292     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4293     .) reldir=$depth ;;
4294     *) reldir=$depth/$srcdir ;;
4295     esac
4296     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4297     cd runtime/etc/mono/2.0
4298     rm -f web.config
4299     $LN_S $reldir/data/net_2_0/web.config web.config
4300     cd $depth
4301 ],[LN_S='$LN_S'])
4302
4303 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4304 [   depth=../../..
4305     case $srcdir in
4306     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4307     .) reldir=$depth ;;
4308     *) reldir=$depth/$srcdir ;;
4309     esac
4310     $ac_aux_dir/install-sh -d runtime/etc/mono/
4311     cd runtime/etc/mono/
4312     rm -f browscap.ini
4313     $LN_S $reldir/data/browscap.ini browscap.ini
4314     cd $depth
4315 ],[LN_S='$LN_S'])
4316
4317 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4318 [   depth=../../../../..
4319     case $srcdir in
4320     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4321     .) reldir=$depth ;;
4322     *) reldir=$depth/$srcdir ;;
4323     esac
4324     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4325     cd runtime/etc/mono/2.0/Browsers
4326     rm -f Compat.browser
4327     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4328     cd $depth
4329 ],[LN_S='$LN_S'])
4330
4331 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4332 [   depth=../../../../..
4333     case $srcdir in
4334     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4335     .) reldir=$depth ;;
4336     *) reldir=$depth/$srcdir ;;
4337     esac
4338     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4339     cd runtime/etc/mono/4.0/Browsers
4340     rm -f Compat.browser
4341     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4342     cd $depth
4343 ],[LN_S='$LN_S'])
4344
4345 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4346 [   depth=../../../../..
4347     case $srcdir in
4348     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4349     .) reldir=$depth ;;
4350     *) reldir=$depth/$srcdir ;;
4351     esac
4352     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4353     cd runtime/etc/mono/4.5/Browsers
4354     rm -f Compat.browser
4355     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4356     cd $depth
4357 ],[LN_S='$LN_S'])
4358
4359 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4360 [   depth=../../../..
4361     case $srcdir in
4362     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4363     .) reldir=$depth ;;
4364     *) reldir=$depth/$srcdir ;;
4365     esac
4366     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4367     cd runtime/etc/mono/4.0
4368     rm -f machine.config
4369     $LN_S $reldir/data/net_4_0/machine.config machine.config
4370     cd $depth
4371 ],[LN_S='$LN_S'])
4372
4373 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4374 [   depth=../../../..
4375     case $srcdir in
4376     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4377     .) reldir=$depth ;;
4378     *) reldir=$depth/$srcdir ;;
4379     esac
4380     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4381     cd runtime/etc/mono/4.0
4382     rm -f web.config
4383     $LN_S $reldir/data/net_4_0/web.config web.config
4384     cd $depth
4385 ],[LN_S='$LN_S'])
4386
4387 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4388 [   depth=../../../..
4389     case $srcdir in
4390     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4391     .) reldir=$depth ;;
4392     *) reldir=$depth/$srcdir ;;
4393     esac
4394     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4395     cd runtime/etc/mono/4.5
4396     rm -f machine.config
4397     $LN_S $reldir/data/net_4_5/machine.config machine.config
4398     cd $depth
4399 ],[LN_S='$LN_S'])
4400
4401 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4402 [   depth=../../../..
4403     case $srcdir in
4404     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4405     .) reldir=$depth ;;
4406     *) reldir=$depth/$srcdir ;;
4407     esac
4408     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4409     cd runtime/etc/mono/4.5
4410     rm -f web.config
4411     $LN_S $reldir/data/net_4_5/web.config web.config
4412     cd $depth
4413 ],[LN_S='$LN_S'])
4414
4415 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])
4416 AC_CONFIG_COMMANDS([nolock-libtool], [sed -e 's/lock_old_archive_extraction=yes/lock_old_archive_extraction=no/g' < libtool > libtool.tmp && mv libtool.tmp libtool && chmod a+x libtool])
4417
4418 AC_OUTPUT([
4419 Makefile
4420 mono-uninstalled.pc
4421 acceptance-tests/Makefile
4422 llvm/Makefile
4423 scripts/mono-find-provides
4424 scripts/mono-find-requires
4425 mono/Makefile
4426 mono/btls/Makefile
4427 mono/utils/Makefile
4428 mono/metadata/Makefile
4429 mono/dis/Makefile
4430 mono/cil/Makefile
4431 mono/arch/Makefile
4432 mono/arch/x86/Makefile
4433 mono/arch/amd64/Makefile
4434 mono/arch/ppc/Makefile
4435 mono/arch/sparc/Makefile
4436 mono/arch/s390x/Makefile
4437 mono/arch/arm/Makefile
4438 mono/arch/arm64/Makefile
4439 mono/arch/ia64/Makefile
4440 mono/arch/mips/Makefile
4441 mono/sgen/Makefile
4442 mono/tests/Makefile
4443 mono/tests/tests-config
4444 mono/tests/assemblyresolve/Makefile
4445 mono/tests/gc-descriptors/Makefile
4446 mono/tests/testing_gac/Makefile
4447 mono/unit-tests/Makefile
4448 mono/benchmark/Makefile
4449 mono/mini/Makefile
4450 mono/profiler/Makefile
4451 m4/Makefile
4452 ikvm-native/Makefile
4453 scripts/Makefile
4454 man/Makefile
4455 docs/Makefile
4456 data/Makefile
4457 data/net_2_0/Makefile
4458 data/net_4_0/Makefile
4459 data/net_4_5/Makefile
4460 data/net_2_0/Browsers/Makefile
4461 data/net_4_0/Browsers/Makefile
4462 data/net_4_5/Browsers/Makefile
4463 data/mint.pc
4464 data/mono-2.pc
4465 data/monosgen-2.pc
4466 data/mono.pc
4467 data/mono-cairo.pc
4468 data/mono-nunit.pc
4469 data/mono-options.pc
4470 data/mono-lineeditor.pc
4471 data/monodoc.pc
4472 data/dotnet.pc
4473 data/dotnet35.pc
4474 data/wcf.pc
4475 data/cecil.pc
4476 data/system.web.extensions_1.0.pc
4477 data/system.web.extensions.design_1.0.pc
4478 data/system.web.mvc.pc
4479 data/system.web.mvc2.pc
4480 data/system.web.mvc3.pc
4481 data/aspnetwebstack.pc
4482 data/reactive.pc
4483 samples/Makefile
4484 support/Makefile
4485 data/config
4486 tools/Makefile
4487 tools/locale-builder/Makefile
4488 tools/sgen/Makefile
4489 tools/monograph/Makefile
4490 tools/pedump/Makefile
4491 runtime/Makefile
4492 msvc/Makefile
4493 po/Makefile
4494 ])
4495
4496 # Update all submodules recursively to ensure everything is checked out
4497 $srcdir/scripts/update_submodules.sh
4498
4499 if test x$host_win32 = xyes; then
4500    # Get rid of 'cyg' prefixes in library names
4501    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4502    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4503    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4504    # executable doesn't work...
4505    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4506 fi
4507
4508 if test x$host_darwin = xyes; then
4509    # This doesn't seem to be required and it slows down parallel builds
4510    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4511 fi
4512
4513 (
4514   case $prefix in
4515   NONE) prefix=$ac_default_prefix ;;
4516   esac
4517   case $exec_prefix in
4518   NONE) exec_prefix='${prefix}' ;;
4519   esac
4520
4521   #
4522   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4523   # any existing config.make.  This allows people to share the same source tree
4524   # with different build directories, one native and one cross
4525   #
4526   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4527
4528     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4529
4530     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4531     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4532     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4533     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4534     echo "mono_build_root=$mono_build_root" >> $mcs_topdir/build/config.make
4535     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4536     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4537     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4538     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4539
4540     case $INSTALL in
4541     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4542     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4543     esac
4544
4545     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4546
4547     export VERSION
4548     [myver=$($AWK 'BEGIN {
4549       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4550       if(length(vsplit [1]) > 4) {
4551         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4552       }
4553       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4554     }')]
4555
4556     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4557     echo "MONO_CORLIB_VERSION = $MONO_CORLIB_VERSION" >> $mcs_topdir/build/config.make
4558
4559     if test x$host_darwin = xyes; then
4560       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4561     fi
4562
4563     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4564       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4565     fi
4566
4567         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4568            enable_system_aot=yes
4569         fi
4570
4571     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4572       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4573     fi
4574
4575     if test x$DISABLE_MCS_DOCS = xyes; then
4576       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4577     fi
4578
4579     if test x$has_extension_module != xno; then
4580         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4581     fi
4582     
4583     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4584     
4585     if test "x$test_bcl_opt" = "xyes"; then    
4586       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4587     fi
4588
4589     echo "CSC_LOCATION = $CSC_LOCATION" >> $srcdir/$mcsdir/build/config.make
4590
4591     if test $csc_compiler = mcs; then
4592       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
4593     fi
4594
4595     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4596       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4597       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4598     fi
4599
4600     if test "x$enable_btls" = "xyes"; then
4601       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4602       if test "x$enable_dynamic_btls" = "xyes"; then
4603         echo "HAVE_DYNAMIC_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4604       fi
4605     fi
4606
4607   fi
4608
4609 )
4610
4611 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4612
4613 btls_platform_string=
4614 if test x$enable_btls = xyes; then
4615         if test x$btls_android = xyes; then
4616                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4617         else
4618                 btls_platform_string=" ($BTLS_PLATFORM)"
4619         fi
4620 fi
4621
4622 echo "
4623         mcs source:    $mcsdir
4624         C# Compiler:   $csc_compiler
4625
4626    Engine:
4627         Host:          $host
4628         Target:        $target
4629         GC:            $gc_msg 
4630         TLS:           $with_tls
4631         SIGALTSTACK:   $with_sigaltstack
4632         Engine:        $jit_status
4633         BigArrays:     $enable_big_arrays
4634         DTrace:        $enable_dtrace
4635         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4636         Interpreter:   $enable_interpreter
4637
4638    Libraries:
4639         .NET 4.x:        $with_profile4_x
4640         Xamarin.Android: $with_monodroid
4641         Xamarin.iOS:     $with_monotouch
4642         Xamarin.WatchOS: $with_monotouch_watch
4643         Xamarin.TVOS:    $with_monotouch_tv
4644         Xamarin.Mac:     $with_xammac
4645         Windows AOT:     $with_winaot
4646         Orbis:           $with_orbis
4647         Test profiles:   AOT Full ($with_testing_aot_full), AOT Hybrid ($with_testing_aot_hybrid)
4648         JNI support:     $jdk_headers_found
4649         libgdiplus:      $libgdiplus_msg
4650         zlib:            $zlib_msg
4651         BTLS:            $enable_btls$btls_platform_string
4652         $disabled
4653 "
4654 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4655    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4656 fi