Merge pull request #5198 from BrzVlad/fix-binprot-stats
[mono.git] / configure.ac
1 # Process this file with autoconf to produce a configure script.
2 #AC_PREREQ([2.62])
3
4 AC_INIT(mono, [5.5.0],
5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
6
7 AC_CONFIG_SRCDIR([README.md])
8 AC_CONFIG_MACRO_DIR([m4])
9 AC_CANONICAL_SYSTEM
10 AC_CANONICAL_HOST
11
12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
13 # The extra brackets are to foil regex-based scans.
14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
15
16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects]
17                  m4_esyscmd([case `automake --version | head -n 1` in    # parallel-tests is default in automake 1.13+, we need to explicitly enable it
18                              *1.11*|*1.12*) echo parallel-tests;;        # for 1.11 and 1.12 but not below as those versions don't recognize the flag
19                              esac]))                                     # TODO: remove this hack once we require automake 1.11+
20
21 AC_CONFIG_HEADERS([config.h])
22 AM_MAINTAINER_MODE
23
24 API_VER=2.0
25 AC_SUBST(API_VER)
26
27 AC_PROG_LN_S
28
29 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
30
31 MONO_VERSION_MAJOR=`echo $VERSION | cut -d . -f 1`
32 MONO_VERSION_MINOR=`echo $VERSION | cut -d . -f 2`
33 MONO_VERSION_BUILD=`echo $VERSION | cut -d . -f 3`
34
35 # This is the version number of the corlib-runtime interface. When
36 # making changes to this interface (by changing the layout
37 # of classes the runtime knows about, changing icall signature or
38 # semantics etc), increment this variable.
39 #
40 # This can be reset to 0 when Mono's version number is bumped
41 # since it's part of the corlib version (the prefix '1' in the full
42 # version number is to ensure the number isn't treated as octal in C)
43 MONO_CORLIB_COUNTER=2
44 MONO_CORLIB_VERSION=`printf "1%02d%02d%02d%03d" $MONO_VERSION_MAJOR $MONO_VERSION_MINOR $MONO_VERSION_BUILD $MONO_CORLIB_COUNTER`
45
46 AC_DEFINE_UNQUOTED(MONO_CORLIB_VERSION,$MONO_CORLIB_VERSION,[Version of the corlib-runtime interface])
47 AC_SUBST(MONO_CORLIB_VERSION)
48
49 case $host_os in
50 *cygwin* )
51                  echo "Run configure using ./configure --host=i686-pc-mingw32"
52                  exit 1
53 esac
54
55 # In case of cygwin, override LN_S, irrespective of what it determines.
56 # The build uses cygwin, but the actual runtime doesn't.
57 case $host_os in
58 *cygwin* ) LN_S='cp -p';;
59 esac
60
61 #
62 # libgc defaults
63 #
64 libgc_configure_args=
65
66 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
67 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
68 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
69 CFLAGS_FOR_LIBGC=$CFLAGS
70 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
71 CFLAGS_FOR_EGLIB=$CFLAGS
72 CPPFLAGS_FOR_BTLS=$CPPFLAGS
73 CFLAGS_FOR_BTLS=$CFLAGS
74
75 # libgc uses some deprecated APIs
76 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
77
78 #
79 # These are the flags that need to be stored in the mono.pc file for 
80 # compiling code that will embed Mono
81 #
82 libmono_cflags=""
83 libmono_ldflags=""
84 AC_SUBST(libmono_cflags)
85 AC_SUBST(libmono_ldflags)
86
87 # Variable to have relocatable .pc files (lib, or lib64)
88 # realpath isn't always available, and requires that all but the tip of the provided
89 # path exists. Fall back to the old behaviour, but realpath allows depth >1
90 # e.g. Debian puts Mono in /usr/bin and libs in /usr/lib/x86_64-linux-gnu/ which is
91 # too deep for the old method to work
92 reloc_libdir=`realpath --relative-to=${prefix} ${libdir} 2> /dev/null || basename ${libdir}`
93 AC_SUBST(reloc_libdir)
94
95 # Set to yes if Unix sockets cannot be created in an anonymous namespace
96 need_link_unlink=no
97
98 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
99 extra_runtime_ldflags=""
100
101 # Thread configuration inspired by sleepycat's db
102 AC_MSG_CHECKING([host platform characteristics])
103 libgc_threads=no
104 has_dtrace=no
105 parallel_mark=yes
106 ikvm_native=yes
107
108 host_win32=no
109 target_win32=no
110 platform_android=no
111 host_darwin=no
112 case "$host" in
113         *-mingw*|*-*-cygwin*)
114                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
115                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
116                 host_win32=yes
117                 mono_cv_clang=no
118                 if test "x$cross_compiling" = "xno"; then
119                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
120                                 target_win32=yes
121                         fi
122                 else
123                         if test "x$host" = "x$target"; then
124                                 target_win32=yes
125                         fi
126                 fi
127                 HOST_CC="gcc"
128                 # Windows Vista or later is required
129                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
130                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
131                 libmono_cflags="-mms-bitfields -mwindows"
132                 libmono_ldflags="-mms-bitfields -mwindows"
133                 libdl=
134                 libgc_threads=win32
135                 with_sigaltstack=no
136                 with_tls=pthread
137                 with_sgen_default_concurrent=yes
138                 LN_S=cp
139                 # This forces libgc to use the DllMain based thread registration code on win32
140                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
141                 ;;
142         *-*-*netbsd*)
143                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
144                 libmono_cflags="-D_REENTRANT"
145                 LDFLAGS="$LDFLAGS -pthread"
146                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
147                 libmono_ldflags="-pthread"
148                 need_link_unlink=yes
149                 libdl="-ldl"
150                 libgc_threads=pthreads
151                 with_sigaltstack=no
152                 use_sigposix=yes
153                 with_sgen_default_concurrent=yes
154                 ;;
155         *-*-kfreebsd*-gnu)
156                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
157                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
158                 libmono_ldflags="-lpthread -pthread"
159                 libdl="-ldl"
160                 libgc_threads=pthreads
161                 need_link_unlink=yes
162                 with_sigaltstack=no
163                 use_sigposix=yes
164                 with_sgen_default_concurrent=yes
165                 ;;
166         *-*-*freebsd*)
167                 if test "x$PTHREAD_CFLAGS" = "x"; then
168                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
169                         libmono_cflags=
170                 else
171                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
172                         libmono_cflags="$PTHREAD_CFLAGS"
173                 fi
174                 if test "x$PTHREAD_LIBS" = "x"; then
175                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
176                         libmono_ldflags="-pthread"
177                 else
178                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
179                         libmono_ldflags="$PTHREAD_LIBS"
180                 fi
181                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
182                 need_link_unlink=yes
183                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
184                 libdl=
185                 libgc_threads=pthreads
186                 use_sigposix=yes
187                 has_dtrace=yes
188                 with_sgen_default_concurrent=yes
189                 ;;
190         *-*-*openbsd*)
191                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
192                 if test "x$disable_munmap" != "xyes"; then
193                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
194                 fi
195                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
196                 LDFLAGS="$LDFLAGS -pthread"
197                 need_link_unlink=yes
198                 AC_DEFINE(PTHREAD_POINTER_ID)
199                 libdl=
200                 libgc_threads=pthreads
201                 with_sigaltstack=no
202                 use_sigposix=yes
203                 with_sgen_default_concurrent=yes
204                 ;;
205         *-*-linux-android*)
206                 platform_android=yes
207                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
208                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
209
210                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
211                 if test "x$disable_munmap" != "xyes"; then
212                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
213                 fi
214                 libmono_cflags="-D_REENTRANT"
215                 libdl="-ldl"
216                 libgc_threads=pthreads
217                 use_sigposix=yes
218
219                 with_tls=pthread
220                 with_sigaltstack=no
221                 with_static_mono=no
222
223                 # Android doesn't support boehm, as it's missing <link.h>
224                 support_boehm=no
225                 with_gc=sgen
226
227                 # isinf(3) requires -lm; see isinf check below
228                 LDFLAGS="$LDFLAGS -lm"
229
230                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
231                 # PAGE_SIZE; breaks mono/io-layer/collection.c
232                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
233                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
234                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
235
236                 # to bypass the underscore linker check, can't work when cross-compiling
237                 mono_cv_uscore=yes
238                 mono_cv_clang=no
239                 ;;
240         *-*-linux*)
241                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
242                 if test "x$disable_munmap" != "xyes"; then
243                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
244                 fi
245                 libmono_cflags="-D_REENTRANT"
246                 libdl="-ldl"
247                 libgc_threads=pthreads
248                 use_sigposix=yes
249                 if test "x$cross_compiling" != "xno"; then
250                         # to bypass the underscore linker check, not
251                         # available during cross-compilation
252                         mono_cv_uscore=no
253                 fi
254                 case "$host" in
255                 aarch64-*)
256                         support_boehm=no
257                         with_gc=sgen
258                         ;;
259                 powerpc*-*-linux*)
260                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
261                         disable_munmap=yes
262                         ;;
263                 esac
264                 with_sgen_default_concurrent=yes
265                 ;;
266         *-*-nacl*)
267                 echo "nacl no longer supported."
268                 exit 1
269                 ;;
270         *-*-hpux*)
271                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
272                 # +ESdbgasm only valid on bundled cc on RISC
273                 # silently ignored for ia64
274                 if test $GCC != "yes"; then
275                         CFLAGS="$CFLAGS +ESdbgasm"
276                         # Arrange for run-time dereferencing of null
277                         # pointers to produce a SIGSEGV signal.
278                         LDFLAGS="$LDFLAGS -z"
279                 fi
280                 CFLAGS="$CFLAGS +ESdbgasm"
281                 LDFLAGS="$LDFLAGS -z"
282                 libmono_cflags="-D_REENTRANT"
283                 libmono_ldflags="-lpthread"
284                 libgc_threads=pthreads
285                 need_link_unlink=yes
286                 use_sigposix=yes
287                 ;;
288         *-*-solaris*)
289                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
290                 need_link_unlink=yes
291                 libmono_cflags="-D_REENTRANT"
292                 libgc_threads=pthreads
293                 has_dtrace=yes
294                 use_sigposix=yes
295                 enable_solaris_tar_check=yes
296                 ;;
297         *-*-darwin*)
298                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
299                 host_darwin=yes
300                 target_mach=yes
301                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
302                 libmono_cflags="-D_THREAD_SAFE"
303                 need_link_unlink=yes
304                 AC_DEFINE(PTHREAD_POINTER_ID)
305                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
306                 libdl=
307                 libgc_threads=pthreads
308                 has_dtrace=yes
309                 if test "x$cross_compiling" = "xyes"; then
310                         has_broken_apple_cpp=yes
311                 fi
312                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
313                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
314                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
315                 case "$host" in
316                         dnl Snow Leopard and newer config.guess reports as this
317                         i*86-*-darwin*)
318                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
319                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
320                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
321                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
322                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
323                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
324                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
325                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
326                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
327                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
328                                 with_sgen_default_concurrent=yes
329                                 ;;
330                         x*64-*-darwin*)
331                                 with_sgen_default_concurrent=yes
332                                 ;;
333                         arm*-darwin*)
334                                 has_dtrace=no
335                                 ;;                      
336                 esac
337                 ;;
338         *-*-haiku*)
339                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
340                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
341                 libdl=
342                 LIBS="$LIBS -lnetwork -ltextencoding"
343                 need_link_unlink=yes
344                 AC_DEFINE(PTHREAD_POINTER_ID)
345                 dnl Haiku does not support static TLS with __thread
346                 with_tls=pthread
347                 dnl Boehm is too much work to backport Haiku support for
348                 support_boehm=no
349                 libgc_threads=pthreads
350                 use_sigposix=yes
351                 ;;
352         *)
353                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
354                 libdl="-ldl"
355                 ;;
356 esac
357 AC_MSG_RESULT(ok)
358
359 if test x$need_link_unlink = xyes; then
360    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
361 fi
362
363 if test x$host_win32 = xyes; then
364    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
365 fi
366
367 if test x$target_win32 = xyes; then
368    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
369 fi
370
371 # Defined for all targets/platforms using classic Windows API support.
372 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
373 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
374
375 AC_SUBST(extra_runtime_ldflags)
376 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
377 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
378 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
379 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
380 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
381 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
382
383 if test -z "$PLATFORM_DARWIN_TRUE"; then :
384 PLATFORM_AOT_SUFFIX=.dylib
385 fi
386
387 if test -z "$PLATFORM_LINUX_TRUE"; then :
388 PLATFORM_AOT_SUFFIX=.so
389 fi
390
391 if test -z "$HOST_WIN32_TRUE"; then :
392 PLATFORM_AOT_SUFFIX=.dll
393 fi
394
395 AC_SUBST(PLATFORM_AOT_SUFFIX)
396
397 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
398
399 AC_CHECK_TOOL(CC, gcc, gcc)
400 AC_PROG_CC
401 AC_CHECK_TOOL(CXX, g++, g++)
402 AC_PROG_CXX
403 AM_PROG_AS
404 AC_PROG_INSTALL
405 AC_PROG_AWK
406 AM_PROG_CC_C_O
407 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
408 : ${CCAS='$(CC)'}
409 # Set ASFLAGS if not already set.
410 : ${CCASFLAGS='$(CFLAGS)'}
411 AC_SUBST(CCAS)
412 AC_SUBST(CCASFLAGS)
413
414 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
415 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
416 if test "x$CXX" = "xg++"; then
417         if test "x$GXX" != "xyes"; then
418                 # automake/libtool is so broken, it requires g++ even if the c++ sources
419                 # are inside automake conditionals
420                 AC_MSG_ERROR([You need to install g++])
421         fi
422 fi
423
424 dnl may require a specific autoconf version
425 dnl AC_PROG_CC_FOR_BUILD
426 dnl CC_FOR_BUILD not automatically detected
427 CC_FOR_BUILD=$CC
428 CFLAGS_FOR_BUILD=$CFLAGS
429 BUILD_EXEEXT=
430 if test "x$cross_compiling" = "xyes"; then
431         CC_FOR_BUILD=cc
432         CFLAGS_FOR_BUILD=
433         BUILD_EXEEXT=""
434 fi
435 AC_SUBST(CC_FOR_BUILD)
436 AC_SUBST(CFLAGS_FOR_BUILD)
437 AC_SUBST(HOST_CC)
438 AC_SUBST(BUILD_EXEEXT)
439
440 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
441 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
442
443 # Set STDC_HEADERS
444 AC_HEADER_STDC
445 AC_LIBTOOL_WIN32_DLL
446 # This causes monodis to not link correctly
447 #AC_DISABLE_FAST_INSTALL
448
449 #lookup makedev() header
450 AC_HEADER_MAJOR
451
452 AM_PROG_LIBTOOL
453 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
454 DOLT
455
456 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
457 AC_SUBST(export_ldflags)
458
459 # Test whenever ld supports -version-script
460 AC_PROG_LD
461 AC_PROG_LD_GNU
462
463 AM_ICONV()
464
465 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)
466 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)
467 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
468                   [], [], [#include <stddef.h>
469                   #include <sys/socket.h>
470                   #include <linux/socket.h>])
471
472 AC_CHECK_HEADERS(sys/user.h, [], [],
473 [
474 #ifdef HAVE_SYS_PARAM_H
475 # include <sys/param.h>
476 #endif
477 ])
478
479 AC_CHECK_HEADERS(linux/serial.h)
480
481 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
482 if test x$have_zlib = xyes; then
483    AC_TRY_COMPILE([#include <zlib.h>], [
484    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
485    return 0;
486    #else
487    #error No good zlib found
488    #endif
489    ],[
490         AC_MSG_RESULT(Using system zlib)
491         zlib_msg="system zlib"
492         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
493    ],[
494         AC_MSG_RESULT(Using embedded zlib)
495         have_zlib=no
496         zlib_msg="bundled zlib"
497    ])
498 fi
499
500 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
501 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
502
503 # for mono/metadata/debug-symfile.c
504 AC_CHECK_HEADERS(elf.h)
505
506 # for support
507 AC_CHECK_HEADERS(poll.h)
508 AC_CHECK_HEADERS(sys/poll.h)
509 AC_CHECK_HEADERS(sys/wait.h)
510 AC_CHECK_HEADERS(grp.h)
511 AC_CHECK_HEADERS(syslog.h)
512
513 # for mono/dis
514 AC_CHECK_HEADERS(wchar.h)
515 AC_CHECK_HEADERS(ieeefp.h)
516 AC_MSG_CHECKING(for isinf)
517 AC_TRY_LINK([#include <math.h>], [
518         int f = isinf (1.0);
519 ], [
520         AC_MSG_RESULT(yes)
521         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
522 ], [
523         # We'll have to use signals
524         AC_MSG_RESULT(no)
525 ])
526 # mingw
527 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
528         AC_TRY_LINK([#include <math.h>], 
529         [ _finite(0.0); ], 
530         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
531         AC_MSG_RESULT(no)))
532
533 # for Linux statfs support
534 AC_CHECK_HEADERS(linux/magic.h)
535
536 # not 64 bit clean in cross-compile
537 AC_CHECK_SIZEOF(void *, 4)
538
539 AC_CACHE_CHECK([for clang],
540         mono_cv_clang,[
541         AC_TRY_COMPILE([], [
542                 #ifdef __clang__
543                 #else
544                 #error "FAILED"
545                 #endif
546                 return 0;
547         ],
548         [mono_cv_clang=yes],
549         [mono_cv_clang=no],
550         [])
551 ])
552
553 AC_ARG_ENABLE(visibility-hidden,
554 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
555    disable_visibility_hidden=yes, disable_visibility_hidden=no)
556
557 WARN=''
558 if test x"$GCC" = xyes; then
559         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes -Wno-format-zero-length'
560
561                 # We require C99 with some GNU extensions, e.g. `linux` macro
562                 CFLAGS="$CFLAGS -std=gnu99"
563
564                 # The runtime code does not respect ANSI C strict aliasing rules
565                 CFLAGS="$CFLAGS -fno-strict-aliasing"
566
567                 # We rely on signed overflow to behave
568                 CFLAGS="$CFLAGS -fwrapv"
569
570                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
571                 if test x"$disable_visibility_hidden" = xno; then
572                    # Don't export any symbols by default
573                    SHARED_CFLAGS="-fvisibility=hidden"
574                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
575                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
576                 fi
577
578                 ORIG_CFLAGS=$CFLAGS
579                 # Check for the normal version, since gcc ignores unknown -Wno options
580                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
581                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
582                 AC_TRY_COMPILE([],[
583                                 return 0;
584                 ], [
585                    AC_MSG_RESULT(yes)
586                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
587                 ], [
588                    AC_MSG_RESULT(no)
589                    CFLAGS=$ORIG_CFLAGS
590                 ])
591
592                 if test "x$mono_cv_clang" = "xyes"; then
593                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
594                    WARN="$WARN -Qunused-arguments"
595                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
596                    # We rely on zero length arrays in structs
597                    WARN="$WARN -Wno-zero-length-array"
598                 fi
599 else
600         # The Sun Forte compiler complains about inline functions that access static variables
601         # so disable all inlining.
602         case "$host" in
603         *-*-solaris*)
604                 CFLAGS="$CFLAGS -Dinline="
605                 ;;
606         esac
607 fi
608 CFLAGS="$CFLAGS -g $WARN"
609 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
610 CPPFLAGS="$CPPFLAGS -g $WARN"
611
612 # Where's the 'mcs' source tree?
613 if test -d $srcdir/mcs; then
614   mcsdir=mcs
615 else
616   mcsdir=../mcs
617 fi
618
619 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
620         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
621                 mcsdir=$with_mcs_path
622         fi
623 )
624
625 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
626
627 #
628 # A sanity check to catch cases where the package was unpacked
629 # with an ancient tar program (Solaris)
630 #
631 AC_ARG_ENABLE(solaris-tar-check,
632 [  --disable-solaris-tar-check    disable solaris tar check],
633    do_solaris_tar_check=no, do_solaris_tar_check=yes)
634
635 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
636         AC_MSG_CHECKING(integrity of package)
637         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
638         then
639                 AC_MSG_RESULT(ok)
640         else
641                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
642                 AC_MSG_ERROR([$errorm])
643         fi
644 fi
645
646 if test "x$with_mcs_path" != "x"; then
647 mcs_topdir=$(cd "$mcsdir" && pwd)
648 mcs_topdir_from_srcdir=$mcs_topdir
649 else
650 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
651 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
652 fi
653
654 # Convert mcs_topdir* paths to Windows syntax.
655 if test x$cross_compiling$host_win32 = xnoyes; then
656   mcs_topdir=$(cygpath -m $mcs_topdir)
657   case $mcs_topdir_from_srcdir in
658     /cygdrive/*)
659         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
660         ;;
661   esac
662 fi
663
664 AC_SUBST([mcs_topdir])
665 AC_SUBST([mcs_topdir_from_srcdir])
666
667 # gettext: prepare the translation directories. 
668 # we do not configure the full gettext, as we consume it dynamically from C#
669 AM_PO_SUBDIRS
670
671 if test "x$USE_NLS" = "xyes"; then
672    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
673
674    if test "x$HAVE_MSGFMT" = "xno"; then
675           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
676    fi
677 fi
678
679 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
680
681 pkg_config_path=
682 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
683         if test x$with_crosspkgdir = "x"; then
684                 if test -s $PKG_CONFIG_PATH; then
685                         pkg_config_path=$PKG_CONFIG_PATH
686                 fi
687         else
688                 pkg_config_path=$with_crosspkgdir
689                 PKG_CONFIG_PATH=$pkg_config_path
690                 export PKG_CONFIG_PATH
691         fi
692 )
693
694 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
695 if test x$werror_flag = xyes; then
696         WERROR_CFLAGS="-Werror"
697 fi
698 AC_SUBST([WERROR_CFLAGS])
699 AC_SUBST([SHARED_CFLAGS])
700
701 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
702 AC_CONFIG_SUBDIRS(eglib)
703
704 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
705 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
706   
707 AC_SUBST(GLIB_CFLAGS)
708 AC_SUBST(GLIB_LIBS)
709
710 # Enable support for fast thread-local storage
711 # Some systems have broken support, so we allow to disable it.
712 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
713
714 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
715 # This does not work on some platforms (bug #55253)
716 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
717
718 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
719 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
720 # Same as --with-shared_mono=no
721 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
722
723 if test "x$enable_static" = "xno"; then
724    with_static_mono=no
725 fi
726
727 if test "x$enable_shared" = "xno"; then
728    with_shared_mono=no
729 fi
730
731 if test "x$enable_libraries" = "xno"; then
732    with_shared_mono=no
733 fi
734
735 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
736
737 if test "x$host_win32" = "xyes"; then
738    # Boehm GC requires the runtime to be in its own dll
739    with_static_mono=no
740 fi
741
742 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
743 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
744 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
745
746 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
747 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
748         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
749         ORIG_CFLAGS=$CFLAGS
750         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
751         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
752         AC_TRY_COMPILE([], [
753                 return 0;
754         ], [
755            AC_MSG_RESULT(yes)
756            # Pass it to libgc as well
757            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
758         ], [
759            AC_MSG_RESULT(no)
760            CFLAGS=$ORIG_CFLAGS
761         ])
762 fi
763
764 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
765
766 if test x$enable_small_config = xyes; then
767         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
768         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
769 fi
770
771 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=$enableval, enable_system_aot=default)
772
773 DISABLED_FEATURES=none
774 csc_compiler=default
775 endian=unknown
776 AC_C_BIGENDIAN([endian=big],[endian=little],[endian=unknown])
777 AC_MSG_CHECKING([CSharp compiler to use])
778 AC_ARG_WITH(csc, [  --with-csc=mcs,roslyn,default      Configures the CSharp compiler to use],[
779    if test x$withval = xmcs; then
780        csc_compiler=mcs
781    elif test x$withval = xroslyn; then
782        csc_compiler=roslyn
783    elif test x$withval = xdefault; then
784        :
785    else
786        AC_MSG_ERROR([You must supply one of "mcs", "roslyn" or "default" to the --with-csc option])
787    fi
788 ],[csc_compiler=default])
789
790 if test $csc_compiler = default; then
791    if test $endian = big; then
792       csc_compiler=mcs
793    elif test $endian = little; then
794       csc_compiler=roslyn
795    else
796       csc_compiler=mcs
797    fi
798 fi
799 AC_MSG_RESULT($csc_compiler)
800
801 #
802 # Set the build profiles and options before things which use them
803 #
804
805 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])
806 AC_ARG_WITH(monodroid,           [  --with-monodroid=yes,no             If you want to build the MonoDroid assemblies (defaults to no)],            [], [with_monodroid=default])
807 AC_ARG_WITH(monotouch,           [  --with-monotouch=yes,no             If you want to build the Xamarin.iOS assemblies (defaults to no)],          [], [with_monotouch=default])
808 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])
809 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])
810 AC_ARG_WITH(bitcode,             [  --with-bitcode=yes,no               If bitcode is enabled (defaults to no)],                                    [], [with_bitcode=default])
811 AC_ARG_WITH(xammac,              [  --with-xammac=yes,no                If you want to build the Xamarin.Mac assemblies (defaults to no)],          [], [with_xammac=default])
812 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])
813 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])
814 AC_ARG_WITH(winaot,              [  --with-winaot=yes,no                If you want to build the Windows friendly AOT assemblies (defaults to no)], [], [with_winaot=default])
815 AC_ARG_WITH(orbis,               [  --with-orbis=yes,no                 If you want to build the Orbis assemblies (defaults to no)], [], [with_orbis=default])
816 AC_ARG_WITH(unreal,              [  --with-unreal=yes,no                If you want to build the Unreal assemblies (defaults to no)], [], [with_unreal=default])
817
818
819 AC_ARG_WITH(runtime_preset, [  --with-runtime_preset=net_4_x,all,aot,hybridaot,fullaot,bitcode,unreal   Which default profile to build (defaults to net_4_x)],  [], [with_runtime_preset=net_4_x])
820
821 dnl
822 dnl Profile defaults
823 dnl
824 TEST_PROFILE=default
825 enable_llvm_default=no
826
827 with_profile4_x_default=no
828 with_monodroid_default=no
829 with_monotouch_default=no
830 with_monotouch_watch_default=no
831 with_monotouch_tv_default=no
832 with_xammac_default=no
833 with_testing_aot_hybrid_default=no
834 with_testing_aot_full_default=no
835 with_winaot_default=no
836 with_orbis_default=no
837 with_unreal_default=no
838
839 with_bitcode_default=no
840 with_cooperative_gc_default=no
841
842 INVARIANT_AOT_OPTIONS=nimt-trampolines=2000,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4000
843
844 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
845    DISABLE_MCS_DOCS_default=yes
846 elif test x$with_runtime_preset = xnet_4_x; then
847    with_profile4_x_default=yes
848 elif test x$with_runtime_preset = xall; then
849    with_profile4_x_default=yes
850    with_monodroid_default=yes
851    with_monotouch_default=yes
852    with_monotouch_watch_default=yes
853    with_monotouch_tv_default=yes
854    with_xammac_default=yes
855    with_winaot_default=yes
856    with_orbis_default=yes
857    with_unreal_default=yes
858 elif test x$with_runtime_preset = xfullaot; then
859    DISABLE_MCS_DOCS_default=yes
860    with_testing_aot_full_default=yes
861    TEST_PROFILE=testing_aot_full
862
863    mono_feature_disable_com='yes'
864    mono_feature_disable_remoting='yes'
865    mono_feature_disable_reflection_emit_save='yes'
866    mono_feature_disable_reflection_emit='yes'
867    mono_feature_disable_appdomains='yes'
868
869    AOT_BUILD_FLAGS="--runtime=mobile -O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
870
871    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
872 elif test x$with_runtime_preset = xbitcode; then
873    DISABLE_MCS_DOCS_default=yes
874    with_testing_aot_full_default=yes
875    with_bitcode_default=yes
876    with_cooperative_gc_default=yes
877    TEST_PROFILE=testing_aot_full
878    enable_llvm_default=yes
879
880    mono_feature_disable_com='yes'
881    mono_feature_disable_remoting='yes'
882    mono_feature_disable_reflection_emit_save='yes'
883    mono_feature_disable_reflection_emit='yes'
884    mono_feature_disable_appdomains='yes'
885
886    AOT_BUILD_FLAGS="--runtime=mobile --aot=llvmonly,$INVARIANT_AOT_OPTIONS"
887    AOT_RUN_FLAGS="--runtime=mobile --llvmonly"
888 elif test x$with_runtime_preset = xhybridaot; then
889    DISABLE_MCS_DOCS_default=yes
890    with_testing_aot_hybrid_default=yes
891    TEST_PROFILE=testing_aot_hybrid 
892
893    AOT_BUILD_FLAGS="--runtime=mobile --aot=hybrid,$INVARIANT_AOT_OPTIONS"
894    AOT_RUN_FLAGS="--runtime=mobile --hybrid-aot"
895 elif test x$with_runtime_preset = xaot; then
896    with_profile4_x_default=yes
897
898    AOT_BUILD_FLAGS="--aot=$INVARIANT_AOT_OPTIONS"
899    AOT_RUN_FLAGS=""
900
901    DISABLE_MCS_DOCS_default=yes
902 elif test x$with_runtime_preset = xwinaot; then
903    DISABLE_MCS_DOCS_default=yes
904    with_winaot_default=yes
905    TEST_PROFILE=winaot
906
907    mono_feature_disable_com='yes'
908    mono_feature_disable_remoting='yes'
909    mono_feature_disable_reflection_emit_save='yes'
910    mono_feature_disable_reflection_emit='yes'
911    mono_feature_disable_appdomains='yes'
912
913    AOT_BUILD_FLAGS="--runtime=mobile --aot=full,$INVARIANT_AOT_OPTIONS"
914    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
915 elif test x$with_runtime_preset = xorbis; then
916    DISABLE_MCS_DOCS_default=yes
917    with_orbis_default=yes
918    TEST_PROFILE=orbis
919
920    mono_feature_disable_com='yes'
921    mono_feature_disable_remoting='yes'
922    mono_feature_disable_reflection_emit_save='yes'
923    mono_feature_disable_reflection_emit='yes'
924    mono_feature_disable_appdomains='yes'
925
926    AOT_BUILD_FLAGS="--runtime=mobile --aot=full,$INVARIANT_AOT_OPTIONS"
927    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
928 elif test x$with_runtime_preset = xunreal; then
929    DISABLE_MCS_DOCS_default=yes
930    with_unreal_default=yes
931    TEST_PROFILE=unreal
932
933    mono_feature_disable_com='yes'
934    mono_feature_disable_remoting='yes'
935    mono_feature_disable_appdomains='no'
936
937    AOT_BUILD_FLAGS="--runtime=mobile --aot=hybrid,$INVARIANT_AOT_OPTIONS"
938    AOT_RUN_FLAGS="--runtime=mobile --hybrid-aot"
939 else
940    with_profile4_x_default=yes
941 fi
942
943 if test "x$AOT_BUILD_FLAGS" != "x"; then :
944    AC_SUBST(AOT_BUILD_FLAGS)
945    AC_SUBST(AOT_RUN_FLAGS)
946    # For llvmonlycheck + fullaotcheck
947    AC_SUBST(INVARIANT_AOT_OPTIONS)
948 fi
949
950 AC_SUBST(TEST_PROFILE)
951
952 if test "x$with_profile4_x" = "xdefault"; then
953    with_profile4_x=$with_profile4_x_default
954 fi
955 if test "x$with_monodroid" = "xdefault"; then
956    with_monodroid=$with_monodroid_default
957 fi
958 if test "x$with_monotouch" = "xdefault"; then
959    with_monotouch=$with_monotouch_default
960 fi
961 if test "x$with_monotouch_watch" = "xdefault"; then
962    with_monotouch_watch=$with_monotouch_watch_default
963 fi
964 if test "x$with_monotouch_tv" = "xdefault"; then
965    with_monotouch_tv=$with_monotouch_tv_default
966 fi
967 if test "x$with_bitcode" = "xdefault"; then
968    with_bitcode=$with_bitcode_default
969 fi
970 if test "x$with_xammac" = "xdefault"; then
971    with_xammac=$with_xammac_default
972 fi
973 if test "x$with_testing_aot_hybrid" = "xdefault"; then
974    with_testing_aot_hybrid=$with_testing_aot_hybrid_default
975 fi
976 if test "x$with_testing_aot_full" = "xdefault"; then
977    with_testing_aot_full=$with_testing_aot_full_default
978 fi
979 if test "x$with_winaot" = "xdefault"; then
980    with_winaot=$with_winaot_default
981 fi
982 if test "x$with_orbis" = "xdefault"; then
983    with_orbis=$with_orbis_default
984 fi
985 if test "x$with_unreal" = "xdefault"; then
986    with_unreal=$with_unreal_default
987 fi
988
989
990 AM_CONDITIONAL(INSTALL_4_x, [test "x$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(INSTALL_UNREAL, [test "x$with_unreal" != "xno"])
1002 AM_CONDITIONAL(FULL_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_full"] || [test "x$TEST_PROFILE" = "xwinaot"] || [test "x$TEST_PROFILE" = "xorbis"])
1003 AM_CONDITIONAL(HYBRID_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_hybrid"] || [test "x$TEST_PROFILE" = "xunreal"])
1004
1005 default_profile=net_4_x
1006 if test -z "$INSTALL_MONODROID_TRUE"; then :
1007    default_profile=monodroid
1008 fi
1009 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
1010    default_profile=monotouch
1011 fi
1012 if test -z "$INSTALL_XAMMAC_TRUE"; then :
1013    default_profile=xammac
1014 fi
1015 if test -z "$INSTALL_TESTING_AOT_HYBRID_TRUE"; then :
1016    default_profile=testing_aot_hybrid
1017 fi
1018 if test -z "$INSTALL_TESTING_AOT_FULL_TRUE"; then :
1019    default_profile=testing_aot_full
1020 fi
1021 if test -z "$INSTALL_WINAOT_TRUE"; then :
1022    default_profile=winaot
1023 fi
1024 if test -z "$INSTALL_ORBIS_TRUE"; then :
1025    default_profile=orbis
1026 fi
1027 if test -z "$INSTALL_UNREAL_TRUE"; then :
1028    default_profile=unreal
1029 fi
1030 if test -z "$INSTALL_4_x_TRUE"; then :
1031    default_profile=net_4_x
1032 fi
1033 DEFAULT_PROFILE=$default_profile
1034 AC_SUBST(DEFAULT_PROFILE)
1035
1036 #
1037 # End build profile configuration
1038 #
1039
1040 if test x$USE_NLS = xprofile_default; then
1041
1042         AC_MSG_CHECKING([NLS used])
1043
1044         # We make the default value for USE_NLS
1045         # "no" on OSX because it isn't available on most
1046         # default OSX installs. The most common configurations will
1047         # all disable it, so this saves us typing.
1048         if test x$host_darwin = xyes; then
1049                 USE_NLS=no;
1050         else
1051                 USE_NLS=yes;
1052         fi
1053
1054         AC_SUBST([USE_NLS])
1055         AC_MSG_RESULT([$USE_NLS])
1056 fi
1057
1058 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
1059      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
1060      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, desktop_loader, shared_perfcounters, remoting,
1061          security, lldb, mdb, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
1062 [
1063         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
1064                 eval "mono_feature_disable_$feature='yes'"
1065         done
1066         DISABLED_FEATURES=$enable_minimal
1067         disabled="Disabled:      $enable_minimal"
1068 ],[])
1069
1070 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
1071
1072 if test "x$mono_feature_disable_aot" = "xyes"; then
1073         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
1074         enable_system_aot=no
1075         AC_MSG_NOTICE([Disabled AOT compiler])
1076 fi
1077
1078 if test "x$mono_feature_disable_profiler" = "xyes"; then
1079         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
1080         AC_MSG_NOTICE([Disabled support for the profiler])
1081 fi
1082 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
1083
1084 if test "x$mono_feature_disable_decimal" = "xyes"; then
1085         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
1086         AC_MSG_NOTICE([Disabled support for decimal])
1087 fi
1088
1089 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
1090         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
1091         AC_MSG_NOTICE([Disabled support for P/Invoke])
1092 fi
1093
1094 if test "x$mono_feature_disable_debug" = "xyes"; then
1095         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
1096         AC_MSG_NOTICE([Disabled support for runtime debugging])
1097 fi
1098
1099 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
1100         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
1101         mono_feature_disable_reflection_emit_save=yes
1102         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
1103 fi
1104
1105 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
1106         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
1107         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
1108 fi
1109
1110 if test "x$mono_feature_disable_large_code" = "xyes"; then
1111         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1112         AC_MSG_NOTICE([Disabled support for large assemblies])
1113 fi
1114
1115 if test "x$mono_feature_disable_logging" = "xyes"; then
1116         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1117         AC_MSG_NOTICE([Disabled support for logging])
1118 fi
1119
1120 if test "x$mono_feature_disable_com" = "xyes"; then
1121         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1122         AC_MSG_NOTICE([Disabled COM support])
1123 fi
1124
1125 if test "x$mono_feature_disable_ssa" = "xyes"; then
1126         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1127         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1128 fi
1129
1130 if test "x$mono_feature_disable_generics" = "xyes"; then
1131         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1132         AC_MSG_NOTICE([Disabled Generics Support])
1133 fi
1134
1135 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1136         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1137         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1138 fi
1139
1140 if test "x$mono_feature_disable_portability" = "xyes"; then
1141         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1142         AC_MSG_NOTICE([Disabled IO Portability layer])
1143 fi
1144
1145 if test "x$mono_feature_disable_attach" = "xyes"; then
1146         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1147         AC_MSG_NOTICE([Disabled agent attach])
1148 fi
1149
1150 if test "x$mono_feature_disable_verifier" = "xyes"; then
1151         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1152         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1153 fi
1154
1155 if test "x$mono_feature_disable_jit" = "xyes"; then
1156         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1157         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1158 fi
1159
1160 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1161
1162 if test "x$mono_feature_disable_simd" = "xyes"; then
1163         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1164         AC_MSG_NOTICE([Disabled SIMD support])
1165 fi
1166
1167 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1168         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1169         AC_MSG_NOTICE([Disabled Soft Debugger.])
1170 fi
1171
1172 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1173         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1174         AC_MSG_NOTICE([Disabled Performance Counters.])
1175 fi
1176 if test "x$mono_feature_disable_normalization" = "xyes"; then
1177         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1178         AC_MSG_NOTICE([Disabled String normalization support.])
1179 fi
1180
1181 #TODO: remove assembly_remapping feature name once everyone is using desktop_loader
1182 if test "x$mono_feature_disable_assembly_remapping" = "xyes" || test "x$mono_feature_disable_desktop_loader" = "xyes"; then
1183         AC_DEFINE(DISABLE_DESKTOP_LOADER, 1, [Disable desktop assembly loader semantics.])
1184         AC_MSG_NOTICE([Disabled desktop assembly loader semantics.])
1185 fi
1186
1187 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1188         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1189         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1190 fi
1191
1192 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1193         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1194         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1195 fi
1196
1197 if test "x$mono_feature_disable_remoting" = "xyes"; then
1198         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1199         AC_MSG_NOTICE([Disabled remoting])
1200 fi
1201
1202 if test "x$mono_feature_disable_security" = "xyes"; then
1203         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1204         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1205 fi
1206
1207 if test "x$mono_feature_disable_lldb" = "xyes"; then
1208         AC_DEFINE(DISABLE_LLDB, 1, [Disable support code for the LLDB plugin.])
1209         AC_MSG_NOTICE([Disabled LLDB plugin support code.])
1210 fi
1211
1212 if test "x$mono_feature_disable_mdb" = "xyes"; then
1213         AC_DEFINE(DISABLE_MDB, 1, [Disable support for .mdb symbol files.])
1214         AC_MSG_NOTICE([Disabled support for .mdb symbol files.])
1215 fi
1216
1217 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1218         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1219         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1220 fi
1221
1222 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1223         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1224         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1225 fi
1226
1227 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1228         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1229         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1230 fi
1231
1232 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1233         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1234         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1235 fi
1236
1237 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1238         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1239         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1240 fi
1241
1242 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1243 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1244
1245 has_extension_module=no
1246 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1247 [
1248         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1249                 if test x$extension = xdefault ; then
1250                         has_extension_module=yes;
1251                 fi
1252         done
1253         if test x$enable_extension_module = xyes; then
1254                 has_extension_module=yes;
1255         fi
1256 ], [])
1257
1258 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1259
1260 if test x$has_extension_module != xno ; then
1261         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1262         AC_MSG_NOTICE([Enabling mono extension module.])
1263 fi
1264
1265 # Deprecated
1266 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1267
1268 AC_MSG_CHECKING(for visibility __attribute__)
1269 AC_COMPILE_IFELSE([
1270         AC_LANG_SOURCE([[
1271                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1272                 int main () { doit (); return 0; }
1273         ]])
1274 ], [
1275    have_visibility_hidden=yes
1276    AC_MSG_RESULT(yes)
1277 ], [
1278    have_visibility_hidden=no
1279    AC_MSG_RESULT(no)
1280 ])
1281
1282 dnl
1283 dnl Boehm GC configuration
1284 dnl
1285
1286 AC_ARG_WITH(libgc,   [  --with-libgc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_libgc],[libgc=included])
1287
1288 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1289 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1290
1291 if test "x$support_boehm" = "xyes"; then
1292
1293         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1294         if test x$enable_parallel_mark = xyes; then
1295                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1296         fi
1297
1298         gc_msg=""
1299         LIBGC_CPPFLAGS=
1300         LIBGC_LIBS=
1301         LIBGC_STATIC_LIBS=
1302         libgc_dir=
1303         case "x$libgc" in
1304                 xincluded)
1305                         if test "x$support_boehm" = "xyes"; then
1306                                 libgc_dir=libgc
1307                         fi
1308
1309                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1310                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1311                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1312
1313                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1314
1315                         if test x$target_win32 = xyes; then
1316                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1317                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1318                         fi
1319
1320                         gc_msg="Included Boehm GC with typed GC"
1321                         if test x$enable_parallel_mark = xyes; then
1322                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1323                                 gc_msg="$gc_msg and parallel mark"
1324                         else
1325                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1326                         fi
1327                         ;;
1328
1329                 xboehm|xbohem|xyes)
1330                         AC_MSG_WARN("External Boehm is no longer supported")
1331                         ;;
1332
1333                 xsgen)
1334                         AC_MSG_WARN("Use --with-sgen instead, --with-libgc= controls Boehm configuration")
1335                         ;;
1336
1337                 xnone)
1338                         AC_MSG_WARN("Compiling mono without GC.")
1339                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1340                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1341                         gc_msg="none"
1342                         ;;
1343                 *)
1344                         AC_MSG_ERROR([Invalid argument $libgc to --with-libgc.])
1345                         ;;
1346         esac
1347
1348         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1349         if test "x$large_heap" = "xyes"; then
1350            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1351         fi
1352
1353         AC_SUBST(LIBGC_CPPFLAGS)
1354         AC_SUBST(LIBGC_LIBS)
1355         AC_SUBST(LIBGC_STATIC_LIBS)
1356         AC_SUBST(libgc_dir)
1357         AC_SUBST(BOEHM_DEFINES)
1358
1359 fi
1360 AM_CONDITIONAL(SUPPORT_NULLGC, test "x$libgc" = "xnone")
1361
1362 dnl
1363 dnl End of Boehm GC Configuration
1364 dnl
1365
1366 dnl *************************************
1367 dnl *** Checks for zero length arrays ***
1368 dnl *************************************
1369 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1370 AC_TRY_COMPILE([
1371         struct s {
1372                 int  length;
1373                 char data [0];
1374         };
1375 ], [], [
1376         AC_MSG_RESULT(yes)
1377         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1378 ], [
1379         AC_MSG_RESULT(no)
1380         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1381 ])
1382
1383 dnl ***********************************
1384 dnl *** Checks for signals
1385 dnl ***********************************
1386 AC_CHECK_HEADERS(signal.h)
1387 AC_CHECK_FUNCS(sigaction)
1388 AC_CHECK_FUNCS(kill)
1389 AC_CHECK_FUNCS(signal)
1390
1391 # signal() is declared inline in Android headers
1392 # so we need to workaround it by overriding the check.
1393 if test x$platform_android = xyes; then
1394         AC_DEFINE(HAVE_SIGNAL,1)
1395 fi
1396
1397 if test x$host_win32 = xno; then
1398
1399         dnl hires monotonic clock support
1400         AC_SEARCH_LIBS(clock_gettime, rt)
1401         AC_CHECK_FUNCS(clock_nanosleep)
1402
1403         dnl dynamic loader support
1404         AC_CHECK_FUNC(dlopen, DL_LIB="",
1405                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1406         )
1407         if test x$dl_support = xno; then
1408                 AC_MSG_WARN([No dynamic loading support available])
1409         else
1410                 LIBS="$LIBS $DL_LIB"
1411                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1412                 dnl from glib's configure.ac
1413                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1414                         mono_cv_uscore,[
1415                         AC_TRY_RUN([#include <dlfcn.h>
1416                         int mono_underscore_test (void) { return 42; }
1417                         int main() {
1418                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1419                           handle = dlopen ((void*)0, 0);
1420                           if (handle) {
1421                             f1 = dlsym (handle, "mono_underscore_test");
1422                             f2 = dlsym (handle, "_mono_underscore_test");
1423                           } return (!f2 || f1);
1424                         }],
1425                                 [mono_cv_uscore=yes],
1426                                 [mono_cv_uscore=no],
1427                         [])
1428                 ])
1429                 if test "x$mono_cv_uscore" = "xyes"; then
1430                         MONO_DL_NEED_USCORE=1
1431                 else
1432                         MONO_DL_NEED_USCORE=0
1433                 fi
1434                 AC_SUBST(MONO_DL_NEED_USCORE)
1435                 AC_CHECK_FUNC(dlerror)
1436         fi
1437
1438         dnl ******************************************************************
1439         dnl *** Checks for the IKVM JNI interface library                  ***
1440         dnl ******************************************************************
1441         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])
1442
1443         ikvm_native_dir=
1444         if test x$with_ikvm_native = xyes; then
1445                 ikvm_native_dir=ikvm-native
1446                 jdk_headers_found="IKVM Native"
1447         fi
1448
1449         AC_SUBST(ikvm_native_dir)
1450
1451         AC_CHECK_HEADERS(execinfo.h)
1452
1453         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1454
1455         AC_CHECK_FUNCS(getgrgid_r)
1456         AC_CHECK_FUNCS(getgrnam_r)
1457         AC_CHECK_FUNCS(getresuid)
1458         AC_CHECK_FUNCS(setresuid)
1459         AC_CHECK_FUNCS(kqueue)
1460         AC_CHECK_FUNCS(backtrace_symbols)
1461         AC_CHECK_FUNCS(mkstemp)
1462         AC_CHECK_FUNCS(mmap)
1463         AC_CHECK_FUNCS(madvise)
1464         AC_CHECK_FUNCS(getrusage)
1465         AC_CHECK_FUNCS(getpriority)
1466         AC_CHECK_FUNCS(setpriority)
1467         AC_CHECK_FUNCS(dl_iterate_phdr)
1468         AC_CHECK_FUNCS(dladdr)
1469         AC_CHECK_FUNCS(sysconf)
1470         AC_CHECK_FUNCS(getrlimit)
1471         AC_CHECK_FUNCS(prctl)
1472
1473         AC_CHECK_FUNCS(sched_getaffinity)
1474         AC_CHECK_FUNCS(sched_setaffinity)
1475         AC_CHECK_FUNCS(sched_getcpu)
1476
1477         if test x$platform_android != xyes; then
1478                 AC_CHECK_FUNCS(getpwnam_r)
1479                 AC_CHECK_FUNCS(getpwuid_r)
1480         fi
1481
1482         dnl ****************************************************************
1483         dnl *** Check for sched_setaffinity from glibc versions before   ***
1484         dnl *** 2.3.4. The older versions of the function only take 2    ***
1485         dnl *** parameters, not 3.                                       ***
1486         dnl ***                                                          ***
1487         dnl *** Because the interface change was not made in a minor     ***
1488         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1489         dnl *** won't always indicate the interface sched_affinity has.  ***
1490         dnl ****************************************************************
1491         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1492         AC_TRY_COMPILE([#include <sched.h>], [
1493             int mask = 1; 
1494             sched_setaffinity(0, &mask);
1495                         return 0;
1496         ], [
1497                 # Yes, we have it...
1498                 AC_MSG_RESULT(yes)
1499                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1500         ], [
1501                 # We have the new, three-parameter version
1502                 AC_MSG_RESULT(no)
1503         ])
1504         AC_TRY_COMPILE([#include <sched.h>], [
1505              CPU_COUNT((void *) 0);
1506         ], [
1507                 AC_MSG_RESULT(yes)
1508                 AC_DEFINE(GLIBC_HAS_CPU_COUNT, 1, [GLIBC has CPU_COUNT macro in sched.h])
1509         ], [
1510                 # We have the new, three-parameter version
1511                 AC_MSG_RESULT(no)
1512         ])
1513
1514         dnl ******************************************************************
1515         dnl *** Check for large file support                               ***
1516         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1517         dnl ******************************************************************
1518         
1519         # Check that off_t can represent 2**63 - 1 correctly, working around
1520         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1521         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1522         large_offt=no
1523         AC_DEFUN([LARGE_FILES], [
1524                 large_CPPFLAGS=$CPPFLAGS
1525                 CPPFLAGS="$CPPFLAGS $1"
1526                 AC_TRY_COMPILE([
1527                         #include <sys/types.h>
1528                         #include <limits.h>
1529                 ], [
1530                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1531                         #define COMPILE_TIME_ASSERT(pred) \
1532                                 switch(0){case 0:case pred:;}
1533                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1534                 ], [
1535                         AC_MSG_RESULT(ok)
1536                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1537                         large_CPPFLAGS="$large_CPPFLAGS $1"
1538                         large_offt=yes
1539                 ], [
1540                         AC_MSG_RESULT(no)
1541                 ])
1542                 CPPFLAGS=$large_CPPFLAGS
1543         ])
1544
1545         AC_MSG_CHECKING(if off_t is 64 bits wide)
1546         LARGE_FILES("")
1547         if test $large_offt = no; then
1548                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1549                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1550         fi
1551         if test $large_offt = no; then
1552                 AC_MSG_WARN([No 64 bit file size support available])
1553         fi
1554         
1555         dnl *****************************
1556         dnl *** Checks for libsocket  ***
1557         dnl *****************************
1558         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1559
1560         case "$host" in
1561                 *-*-*freebsd*)
1562                         dnl *****************************
1563                         dnl *** Checks for libinotify ***
1564                         dnl *****************************
1565                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1566         esac
1567
1568         dnl *******************************
1569         dnl *** Checks for MSG_NOSIGNAL ***
1570         dnl *******************************
1571         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1572         AC_TRY_COMPILE([#include <sys/socket.h>], [
1573                 int f = MSG_NOSIGNAL;
1574         ], [
1575                 # Yes, we have it...
1576                 AC_MSG_RESULT(yes)
1577                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1578         ], [
1579                 # We'll have to use signals
1580                 AC_MSG_RESULT(no)
1581         ])
1582
1583         dnl *****************************
1584         dnl *** Checks for IPPROTO_IP ***
1585         dnl *****************************
1586         AC_MSG_CHECKING(for IPPROTO_IP)
1587         AC_TRY_COMPILE([#include <netinet/in.h>], [
1588                 int level = IPPROTO_IP;
1589         ], [
1590                 # Yes, we have it...
1591                 AC_MSG_RESULT(yes)
1592                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1593         ], [
1594                 # We'll have to use getprotobyname
1595                 AC_MSG_RESULT(no)
1596         ])
1597
1598         dnl *******************************
1599         dnl *** Checks for IPPROTO_IPV6 ***
1600         dnl *******************************
1601         AC_MSG_CHECKING(for IPPROTO_IPV6)
1602         AC_TRY_COMPILE([#include <netinet/in.h>], [
1603                 int level = IPPROTO_IPV6;
1604         ], [
1605                 # Yes, we have it...
1606                 AC_MSG_RESULT(yes)
1607                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1608         ], [
1609                 # We'll have to use getprotobyname
1610                 AC_MSG_RESULT(no)
1611         ])
1612
1613         dnl ******************************
1614         dnl *** Checks for IPPROTO_TCP ***
1615         dnl ******************************
1616         AC_MSG_CHECKING(for IPPROTO_TCP)
1617         AC_TRY_COMPILE([#include <netinet/in.h>], [
1618                 int level = IPPROTO_TCP;
1619         ], [
1620                 # Yes, we have it...
1621                 AC_MSG_RESULT(yes)
1622                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1623         ], [
1624                 # We'll have to use getprotobyname
1625                 AC_MSG_RESULT(no)
1626         ])
1627
1628         dnl *****************************
1629         dnl *** Checks for SOL_IP     ***
1630         dnl *****************************
1631         AC_MSG_CHECKING(for SOL_IP)
1632         AC_TRY_COMPILE([#include <netdb.h>], [
1633                 int level = SOL_IP;
1634         ], [
1635                 # Yes, we have it...
1636                 AC_MSG_RESULT(yes)
1637                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1638         ], [
1639                 # We'll have to use getprotobyname
1640                 AC_MSG_RESULT(no)
1641         ])
1642
1643         dnl *****************************
1644         dnl *** Checks for SOL_IPV6     ***
1645         dnl *****************************
1646         AC_MSG_CHECKING(for SOL_IPV6)
1647         AC_TRY_COMPILE([#include <netdb.h>], [
1648                 int level = SOL_IPV6;
1649         ], [
1650                 # Yes, we have it...
1651                 AC_MSG_RESULT(yes)
1652                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1653         ], [
1654                 # We'll have to use getprotobyname
1655                 AC_MSG_RESULT(no)
1656         ])
1657
1658         dnl *****************************
1659         dnl *** Checks for SOL_TCP    ***
1660         dnl *****************************
1661         AC_MSG_CHECKING(for SOL_TCP)
1662         AC_TRY_COMPILE([#include <netdb.h>], [
1663                 int level = SOL_TCP;
1664         ], [
1665                 # Yes, we have it...
1666                 AC_MSG_RESULT(yes)
1667                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1668         ], [
1669                 # We'll have to use getprotobyname
1670                 AC_MSG_RESULT(no)
1671         ])
1672
1673         dnl *****************************
1674         dnl *** Checks for IP_PKTINFO ***
1675         dnl *****************************
1676         AC_MSG_CHECKING(for IP_PKTINFO)
1677         AC_TRY_COMPILE([#include <linux/in.h>], [
1678                 int level = IP_PKTINFO;
1679         ], [
1680                 # Yes, we have it...
1681                 AC_MSG_RESULT(yes)
1682                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1683         ], [
1684                 AC_MSG_RESULT(no)
1685         ])
1686
1687         dnl *****************************
1688         dnl *** Checks for IPV6_PKTINFO ***
1689         dnl *****************************
1690         AC_MSG_CHECKING(for IPV6_PKTINFO)
1691         AC_TRY_COMPILE([#include <netdb.h>], [
1692                 int level = IPV6_PKTINFO;
1693         ], [
1694                 # Yes, we have it...
1695                 AC_MSG_RESULT(yes)
1696                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1697         ], [
1698                 AC_MSG_RESULT(no)
1699         ])
1700
1701         dnl **********************************
1702         dnl *** Checks for IP_DONTFRAG     ***
1703         dnl **********************************
1704         AC_MSG_CHECKING(for IP_DONTFRAG)
1705         AC_TRY_COMPILE([#include <netinet/in.h>], [
1706                 int level = IP_DONTFRAG;
1707         ], [
1708                 # Yes, we have it...
1709                 AC_MSG_RESULT(yes)
1710                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1711         ], [
1712                 AC_MSG_RESULT(no)
1713         ])
1714
1715         dnl **********************************
1716         dnl *** Checks for IP_DONTFRAGMENT ***
1717         dnl **********************************
1718         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1719         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1720                 int level = IP_DONTFRAGMENT;
1721         ], [
1722                 # Yes, we have it...
1723                 AC_MSG_RESULT(yes)
1724                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1725         ], [
1726                 AC_MSG_RESULT(no)
1727         ])
1728
1729         dnl **********************************
1730         dnl *** Checks for IP_MTU_DISCOVER ***
1731         dnl **********************************
1732         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1733         AC_TRY_COMPILE([#include <linux/in.h>], [
1734                 int level = IP_MTU_DISCOVER;
1735         ], [
1736                 # Yes, we have it...
1737                 AC_MSG_RESULT(yes)
1738                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1739         ], [
1740                 AC_MSG_RESULT(no)
1741         ])
1742
1743         dnl **********************************
1744         dnl *** Checks for  IP_PMTUDISC_DO ***
1745         dnl **********************************
1746         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1747         AC_TRY_COMPILE([#include <linux/in.h>], [
1748                 int level = IP_PMTUDISC_DO;
1749         ], [
1750                 # Yes, we have it...
1751                 AC_MSG_RESULT(yes)
1752                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1753         ], [
1754                 AC_MSG_RESULT(no)
1755         ])
1756
1757         dnl *********************************
1758         dnl *** Check for struct ip_mreqn ***
1759         dnl *********************************
1760         AC_MSG_CHECKING(for struct ip_mreqn)
1761         AC_TRY_COMPILE([#include <netinet/in.h>], [
1762                 struct ip_mreqn mreq;
1763                 mreq.imr_address.s_addr = 0;
1764         ], [
1765                 # Yes, we have it...
1766                 AC_MSG_RESULT(yes)
1767                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1768         ], [
1769                 # We'll just have to try and use struct ip_mreq
1770                 AC_MSG_RESULT(no)
1771                 AC_MSG_CHECKING(for struct ip_mreq)
1772                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1773                         struct ip_mreq mreq;
1774                         mreq.imr_interface.s_addr = 0;
1775                 ], [
1776                         # Yes, we have it...
1777                         AC_MSG_RESULT(yes)
1778                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1779                 ], [
1780                         # No multicast support
1781                         AC_MSG_RESULT(no)
1782                 ])
1783         ])
1784         
1785         dnl **********************************
1786         dnl *** Check for getaddrinfo ***
1787         dnl **********************************
1788         AC_MSG_CHECKING(for getaddrinfo)
1789                 AC_TRY_LINK([
1790                 #include <stdio.h>
1791                 #include <netdb.h>
1792         ], [
1793                 getaddrinfo(NULL,NULL,NULL,NULL);
1794         ], [
1795                 # Yes, we have it...
1796                 AC_MSG_RESULT(yes)
1797                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1798         ], [
1799                 AC_MSG_RESULT(no)
1800         ])
1801
1802         dnl **********************************
1803         dnl *** Check for gethostbyname2_r ***
1804         dnl **********************************
1805         AC_MSG_CHECKING(for gethostbyname2_r)
1806                 AC_TRY_LINK([
1807                 #include <stdio.h>
1808                 #include <netdb.h>
1809         ], [
1810
1811                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1812         ], [
1813                 # Yes, we have it...
1814                 AC_MSG_RESULT(yes)
1815                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1816         ], [
1817                 AC_MSG_RESULT(no)
1818         ])
1819
1820         dnl **********************************
1821         dnl *** Check for gethostbyname2 ***
1822         dnl **********************************
1823         AC_MSG_CHECKING(for gethostbyname2)
1824                 AC_TRY_LINK([
1825                 #include <stdio.h>
1826                 #include <netdb.h>
1827         ], [
1828                 gethostbyname2(NULL,0);
1829         ], [
1830                 # Yes, we have it...
1831                 AC_MSG_RESULT(yes)
1832                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1833         ], [
1834                 AC_MSG_RESULT(no)
1835         ])
1836
1837         dnl **********************************
1838         dnl *** Check for gethostbyname ***
1839         dnl **********************************
1840         AC_MSG_CHECKING(for gethostbyname)
1841                 AC_TRY_LINK([
1842                 #include <stdio.h>
1843                 #include <netdb.h>
1844         ], [
1845                 gethostbyname(NULL);
1846         ], [
1847                 # Yes, we have it...
1848                 AC_MSG_RESULT(yes)
1849                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1850         ], [
1851                 AC_MSG_RESULT(no)
1852         ])
1853
1854         dnl **********************************
1855         dnl *** Check for getprotobyname ***
1856         dnl **********************************
1857         AC_MSG_CHECKING(for getprotobyname)
1858                 AC_TRY_LINK([
1859                 #include <stdio.h>
1860                 #include <netdb.h>
1861         ], [
1862                 getprotobyname(NULL);
1863         ], [
1864                 # Yes, we have it...
1865                 AC_MSG_RESULT(yes)
1866                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1867         ], [
1868                 AC_MSG_RESULT(no)
1869         ])
1870
1871         dnl **********************************
1872         dnl *** Check for getnameinfo ***
1873         dnl **********************************
1874         AC_MSG_CHECKING(for getnameinfo)
1875                 AC_TRY_LINK([
1876                 #include <stdio.h>
1877                 #include <netdb.h>
1878         ], [
1879                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1880         ], [
1881                 # Yes, we have it...
1882                 AC_MSG_RESULT(yes)
1883                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1884         ], [
1885                 AC_MSG_RESULT(no)
1886         ])
1887
1888
1889         dnl **********************************
1890         dnl *** Check for inet_ntop ***
1891         dnl **********************************
1892         AC_MSG_CHECKING(for inet_ntop)
1893                 AC_TRY_LINK([
1894                 #include <stdio.h>
1895                 #include <arpa/inet.h>
1896         ], [
1897                 inet_ntop (0, NULL, NULL, 0);
1898         ], [
1899                 # Yes, we have it...
1900                 AC_MSG_RESULT(yes)
1901                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1902         ], [
1903                 AC_MSG_RESULT(no)
1904         ])
1905
1906         dnl *****************************
1907         dnl *** Checks for libnsl     ***
1908         dnl *****************************
1909         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1910
1911         AC_CHECK_FUNCS(inet_pton inet_aton)
1912
1913         dnl *****************************
1914         dnl *** Checks for libxnet    ***
1915         dnl *****************************
1916         case "${host}" in
1917                 *solaris* )
1918                         AC_MSG_CHECKING(for Solaris XPG4 support)
1919                         if test -f /usr/lib/libxnet.so; then
1920                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1921                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1922                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1923                                 LIBS="$LIBS -lxnet"
1924                                 AC_MSG_RESULT(yes)
1925                         else
1926                                 AC_MSG_RESULT(no)
1927                         fi
1928
1929                         if test "$GCC" = "yes"; then
1930                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1931                         fi
1932                 ;;
1933         esac
1934
1935         dnl *****************************
1936         dnl *** Checks for libpthread ***
1937         dnl *****************************
1938 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1939 # and libpthread does not exist
1940 #
1941         case "${host}" in
1942                 *-*-*haiku*)
1943                         dnl Haiku has pthread in libroot (libc equiv)
1944                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS")
1945                 ;;
1946                 *-*-*freebsd*)
1947                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1948                 ;;
1949                 *-*-*openbsd*)
1950                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1951                 ;;
1952                 *)
1953                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1954                 ;;
1955         esac
1956         AC_CHECK_HEADERS(pthread.h)
1957         AC_CHECK_HEADERS(pthread_np.h)
1958         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1959         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np pthread_cond_timedwait_relative_np)
1960         AC_CHECK_FUNCS(pthread_kill)
1961         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1962         AC_TRY_COMPILE([ #include <pthread.h>], [
1963                 pthread_mutexattr_t attr;
1964                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1965         ], [
1966                 AC_MSG_RESULT(ok)
1967         ], [
1968                 AC_MSG_RESULT(no)
1969                 AC_ERROR(Posix system lacks support for recursive mutexes)
1970         ])
1971         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1972         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1973         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1974
1975         dnl **********************************
1976         dnl *** Check for mincore ***
1977         dnl **********************************
1978         AC_MSG_CHECKING(for mincore)
1979                 AC_TRY_LINK([
1980                 #include <stdio.h>
1981                 #include <sys/types.h>
1982                 #include <sys/mman.h>
1983         ], [
1984                 mincore(NULL, 0, NULL);
1985         ], [
1986                 # Yes, we have it...
1987                 AC_MSG_RESULT(yes)
1988                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1989         ], [
1990                 AC_MSG_RESULT(no)
1991         ])
1992
1993         dnl ***********************************
1994         dnl *** Checks for working __thread ***
1995         dnl ***********************************
1996         AC_MSG_CHECKING(for working __thread)
1997         if test "x$with_tls" != "x__thread"; then
1998                 AC_MSG_RESULT(disabled)
1999         elif test "x$cross_compiling" = "xyes"; then
2000                 AC_MSG_RESULT(cross compiling, assuming yes)
2001         else
2002                 AC_TRY_RUN([
2003                         #if defined(__APPLE__) && defined(__clang__)
2004                         #error "__thread does not currently work with clang on Mac OS X"
2005                         #endif
2006                         
2007                         #include <pthread.h>
2008                         __thread int i;
2009                         static int res1, res2;
2010
2011                         void thread_main (void *arg)
2012                         {
2013                                 i = arg;
2014                                 sleep (1);
2015                                 if (arg == 1)
2016                                         res1 = (i == arg);
2017                                 else
2018                                         res2 = (i == arg);
2019                         }
2020
2021                         int main () {
2022                                 pthread_t t1, t2;
2023
2024                                 i = 5;
2025
2026                                 pthread_create (&t1, NULL, thread_main, 1);
2027                                 pthread_create (&t2, NULL, thread_main, 2);
2028
2029                                 pthread_join (t1, NULL);
2030                                 pthread_join (t2, NULL);
2031
2032                                 return !(res1 + res2 == 2);
2033                         }
2034                 ], [
2035                                 AC_MSG_RESULT(yes)
2036                 ], [
2037                                 AC_MSG_RESULT(no)
2038                                 with_tls=pthread
2039                 ])
2040         fi
2041
2042         dnl **************************************
2043         dnl *** Checks for working sigaltstack ***
2044         dnl **************************************
2045         AC_MSG_CHECKING(for working sigaltstack)
2046         if test "x$with_sigaltstack" != "xyes"; then
2047                 AC_MSG_RESULT(disabled)
2048         elif test "x$cross_compiling" = "xyes"; then
2049                 AC_MSG_RESULT(cross compiling, assuming yes)
2050         else
2051                 AC_TRY_RUN([
2052                         #include <stdio.h>
2053                         #include <stdlib.h>
2054                         #include <unistd.h>
2055                         #include <signal.h>
2056                         #include <pthread.h>
2057                         #include <sys/wait.h>
2058                         #if defined(__FreeBSD__) || defined(__NetBSD__)
2059                         #define SA_STACK SA_ONSTACK
2060                         #endif
2061                         static void
2062                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
2063                         {
2064                                 exit (0);
2065                         }
2066
2067                         volatile char*__ptr = NULL;
2068                         static void *
2069                         loop (void *ignored)
2070                         {
2071                                 *__ptr = 0;
2072                                 return NULL;
2073                         }
2074
2075                         static void
2076                         child ()
2077                         {
2078                                 struct sigaction sa;
2079                         #ifdef __APPLE__
2080                                 stack_t sas;
2081                         #else
2082                                 struct sigaltstack sas;
2083                         #endif
2084                                 pthread_t id;
2085                                 pthread_attr_t attr;
2086
2087                                 sa.sa_sigaction = sigsegv_signal_handler;
2088                                 sigemptyset (&sa.sa_mask);
2089                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
2090                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
2091                                         perror ("sigaction");
2092                                         return;
2093                                 }
2094
2095                                 /* x86 darwin deliver segfaults using SIGBUS */
2096                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
2097                                         perror ("sigaction");
2098                                         return;
2099                                 }
2100                                 sas.ss_sp = malloc (SIGSTKSZ);
2101                                 sas.ss_size = SIGSTKSZ;
2102                                 sas.ss_flags = 0;
2103                                 if (sigaltstack (&sas, NULL) == -1) {
2104                                         perror ("sigaltstack");
2105                                         return;
2106                                 }
2107
2108                                 pthread_attr_init (&attr);
2109                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2110                                         printf ("pthread_create\n");
2111                                         return;
2112                                 }
2113
2114                                 sleep (100);
2115                         }
2116
2117                         int
2118                         main ()
2119                         {
2120                                 pid_t son;
2121                                 int status;
2122                                 int i;
2123
2124                                 son = fork ();
2125                                 if (son == -1) {
2126                                         return 1;
2127                                 }
2128
2129                                 if (son == 0) {
2130                                         child ();
2131                                         return 0;
2132                                 }
2133
2134                                 for (i = 0; i < 300; ++i) {
2135                                         waitpid (son, &status, WNOHANG);
2136                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2137                                                 return 0;
2138                                         usleep (10000);
2139                                 }
2140
2141                                 kill (son, SIGKILL);
2142                                 return 1;
2143                         }
2144
2145                 ], [
2146                                 AC_MSG_RESULT(yes)
2147                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2148                 ], [
2149                                 with_sigaltstack=no
2150                                 AC_MSG_RESULT(no)
2151                 ])
2152         fi
2153
2154         dnl ********************************
2155         dnl *** Checks for semaphore lib ***
2156         dnl ********************************
2157         # 'Real Time' functions on Solaris
2158         # posix4 on Solaris 2.6
2159         # pthread (first!) on Linux
2160         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
2161
2162         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
2163         AC_CHECK_FUNCS(shm_open)
2164
2165         dnl ********************************
2166         dnl *** Checks for timezone stuff **
2167         dnl ********************************
2168         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2169                 AC_TRY_COMPILE([
2170                         #include <time.h>
2171                         ], [
2172                         struct tm tm;
2173                         tm.tm_gmtoff = 1;
2174                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2175         if test $ac_cv_struct_tm_gmtoff = yes; then
2176                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2177         else
2178                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2179                         AC_TRY_COMPILE([
2180                                 #include <time.h>
2181                         ], [
2182                                 timezone = 1;
2183                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2184                 if test $ac_cv_var_timezone = yes; then
2185                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2186                 else
2187                         AC_ERROR(unable to find a way to determine timezone)
2188                 fi
2189         fi
2190
2191         dnl *********************************
2192         dnl *** Checks for math functions ***
2193         dnl *********************************
2194         AC_SEARCH_LIBS(sqrtf, m)
2195         if test "x$has_broken_apple_cpp" != "xyes"; then
2196                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2197                         AC_TRY_LINK([#include <math.h>], 
2198                         [ finite(0.0); ], 
2199                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2200                         AC_MSG_RESULT(no)))
2201         fi
2202         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2203                 AC_TRY_LINK([#include <math.h>], 
2204                 [ isfinite(0.0); ], 
2205                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2206                 AC_MSG_RESULT(no)))
2207
2208         dnl ****************************************************************
2209         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2210         dnl *** have it in the library (duh))                            ***
2211         dnl ****************************************************************
2212         AC_CHECK_FUNCS(poll)
2213
2214         dnl *************************
2215         dnl *** Check for signbit ***
2216         dnl *************************
2217         AC_MSG_CHECKING(for signbit)
2218         AC_TRY_LINK([#include <math.h>], [
2219                 int s = signbit(1.0);
2220         ], [
2221                 AC_MSG_RESULT(yes)
2222                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2223         ], [
2224                 AC_MSG_RESULT(no)
2225         ]) 
2226
2227         dnl **********************************
2228         dnl *** epoll                      ***
2229         dnl **********************************
2230         AC_CHECK_HEADERS(sys/epoll.h)
2231         haveepoll=no
2232         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2233         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2234                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2235         fi
2236
2237         havekqueue=no
2238
2239         AC_CHECK_HEADERS(sys/event.h)
2240         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2241
2242         dnl **************************************
2243         dnl * Darwin has a race that prevents us from using reliably:
2244         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2245         dnl * Since kqueue is mostly used for scaling large web servers, 
2246         dnl * and very few folks run Mono on large web servers on OSX, falling
2247         dnl * back 
2248         dnl **************************************
2249         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2250                 if test "x$host_darwin" = "xno"; then
2251                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2252                 fi
2253         fi
2254
2255         dnl ******************************
2256         dnl *** Checks for SIOCGIFCONF ***
2257         dnl ******************************
2258         AC_CHECK_HEADERS(sys/ioctl.h)
2259         AC_CHECK_HEADERS(net/if.h, [], [],
2260            [
2261            #ifdef HAVE_SYS_TYPES_H
2262            # include <sys/types.h>
2263            #endif
2264            #ifdef HAVE_SYS_SOCKET_H
2265            # include <sys/socket.h>
2266            #endif
2267            ])
2268         AC_MSG_CHECKING(for ifreq)
2269         AC_TRY_COMPILE([
2270                 #include <stdio.h>
2271                 #include <sys/ioctl.h>
2272                 #include <net/if.h>
2273                 ], [
2274                 struct ifconf ifc;
2275                 struct ifreq *ifr;
2276                 void *x;
2277                 ifc.ifc_len = 0;
2278                 ifc.ifc_buf = NULL;
2279                 x = (void *) &ifr->ifr_addr;
2280                 ],[
2281                         AC_MSG_RESULT(yes)
2282                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2283                 ], [
2284                         AC_MSG_RESULT(no)
2285                 ])
2286         dnl **********************************
2287         dnl ***     Checks for sin_len     ***
2288         dnl **********************************
2289         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2290         AC_TRY_COMPILE([
2291                 #include <netinet/in.h>
2292                 ], [
2293                 struct sockaddr_in saddr;
2294                 saddr.sin_len = sizeof (saddr);
2295                 ],[
2296                         AC_MSG_RESULT(yes)
2297                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2298                 ], [
2299                         AC_MSG_RESULT(no)
2300                 ])      
2301         dnl **********************************
2302         dnl ***    Checks for sin6_len     ***
2303         dnl **********************************
2304         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2305         AC_TRY_COMPILE([
2306                 #include <netinet/in.h>
2307                 ], [
2308                 struct sockaddr_in6 saddr6;
2309                 saddr6.sin6_len = sizeof (saddr6);
2310                 ],[
2311                         AC_MSG_RESULT(yes)
2312                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2313                 ], [
2314                         AC_MSG_RESULT(no)
2315                 ])
2316         dnl **********************************
2317         dnl *** Check for getifaddrs       ***
2318         dnl **********************************
2319         AC_MSG_CHECKING(for getifaddrs)
2320                 AC_TRY_LINK([
2321                 #include <stdio.h>
2322                 #include <sys/types.h>
2323                 #include <sys/socket.h>
2324                 #include <ifaddrs.h>
2325         ], [
2326                 getifaddrs(NULL);
2327         ], [
2328                 # Yes, we have it...
2329                 AC_MSG_RESULT(yes)
2330                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2331         ], [
2332                 AC_MSG_RESULT(no)
2333         ])
2334         dnl **********************************
2335         dnl *** Check for if_nametoindex   ***
2336         dnl **********************************
2337         AC_MSG_CHECKING(for if_nametoindex)
2338                 AC_TRY_LINK([
2339                 #include <stdio.h>
2340                 #include <sys/types.h>
2341                 #include <sys/socket.h>
2342                 #include <net/if.h>
2343         ], [
2344                 if_nametoindex(NULL);
2345         ], [
2346                 # Yes, we have it...
2347                 AC_MSG_RESULT(yes)
2348                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2349         ], [
2350                 AC_MSG_RESULT(no)
2351         ])
2352                         
2353         dnl **********************************
2354         dnl *** Checks for proclib         ***
2355         dnl **********************************
2356         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.)])
2357         dnl **********************************
2358         dnl *** Checks for MonoPosixHelper ***
2359         dnl **********************************
2360         AC_CHECK_HEADERS(checklist.h)
2361         AC_CHECK_HEADERS(pathconf.h)
2362         AC_CHECK_HEADERS(fstab.h)
2363         AC_CHECK_HEADERS(attr/xattr.h)
2364         AC_CHECK_HEADERS(sys/extattr.h)
2365         AC_CHECK_HEADERS(sys/sendfile.h)
2366         AC_CHECK_HEADERS(sys/statvfs.h)
2367         AC_CHECK_HEADERS(sys/statfs.h)
2368         AC_CHECK_HEADERS(sys/vfstab.h)
2369         AC_CHECK_HEADERS(sys/xattr.h)
2370         AC_CHECK_HEADERS(sys/mman.h)
2371         AC_CHECK_HEADERS(sys/param.h)
2372         AC_CHECK_HEADERS(sys/mount.h, [], [],
2373                 [
2374                 #ifdef HAVE_SYS_PARAM_H
2375                 # include <sys/param.h>
2376                 #endif
2377                 ])
2378         AC_CHECK_HEADERS(sys/mount.h)
2379         AC_CHECK_FUNCS(confstr)
2380         AC_CHECK_FUNCS(seekdir telldir)
2381         AC_CHECK_FUNCS(getdomainname)
2382         AC_CHECK_FUNCS(setdomainname)
2383         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2384         AC_CHECK_FUNCS(setgroups)
2385         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2386         AC_CHECK_FUNCS(getfsstat)
2387         AC_CHECK_FUNCS(lutimes futimes)
2388         AC_CHECK_FUNCS(mremap)
2389         AC_CHECK_FUNCS(remap_file_pages)
2390         AC_CHECK_FUNCS(posix_fadvise)
2391         AC_CHECK_FUNCS(posix_fallocate)
2392         AC_CHECK_FUNCS(posix_madvise)
2393         AC_CHECK_FUNCS(vsnprintf)
2394         AC_CHECK_FUNCS(sendfile)
2395         AC_CHECK_FUNCS(gethostid sethostid)
2396         AC_CHECK_FUNCS(sethostname)
2397         AC_CHECK_FUNCS(statfs)
2398         AC_CHECK_FUNCS(fstatfs)
2399         AC_CHECK_FUNCS(statvfs)
2400         AC_CHECK_FUNCS(fstatvfs)
2401         AC_CHECK_FUNCS(stime)
2402         AC_CHECK_FUNCS(strerror_r)
2403         AC_CHECK_FUNCS(ttyname_r)
2404         AC_CHECK_FUNCS(psignal)
2405         AC_CHECK_FUNCS(getlogin_r)
2406         AC_CHECK_FUNCS(lockf)
2407         AC_CHECK_FUNCS(swab)
2408         AC_CHECK_FUNCS(setusershell endusershell)
2409         AC_CHECK_FUNCS(futimens utimensat)
2410         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2411         AC_CHECK_FUNCS(readv writev preadv pwritev)
2412         AC_CHECK_FUNCS(setpgid)
2413         AC_CHECK_FUNCS(system)
2414         AC_CHECK_FUNCS(fork execv execve)
2415         AC_CHECK_FUNCS(accept4)
2416         AC_CHECK_FUNCS(localtime_r)
2417         AC_CHECK_FUNCS(mkdtemp)
2418         AC_CHECK_SIZEOF(size_t)
2419         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2420                 [#include <sys/types.h>
2421                  #include <sys/stat.h>
2422                  #include <unistd.h>])
2423         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2424                 [#include <sys/types.h>
2425                  #include <sys/stat.h>
2426                  #include <unistd.h>])
2427         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2428                 [#include <sys/time.h>])
2429         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2430                 [#include <sys/socket.h>])
2431         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2432                 [#include <unistd.h>
2433                  #include <fcntl.h>])
2434         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2435                 [#include <sys/uio.h>])
2436         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2437                 [#include <sys/socket.h>])
2438         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2439                 [#include <sys/poll.h>])
2440         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2441                 [#include <sys/socket.h>])
2442         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2443                 [#include <sys/socket.h>])
2444         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2445                 [#include <netinet/in.h>])
2446         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2447                 [#include <netinet/in.h>])
2448         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2449                 [#include <sys/un.h>])
2450         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2451                 [#include <sys/types.h>
2452                  #include <sys/stat.h>
2453                  #include <unistd.h>])
2454         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2455                 [#include <time.h>])
2456         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2457                 [#include <sys/time.h>
2458                  #include <sys/types.h>
2459                  #include <utime.h>])
2460         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2461                 [#include <sys/time.h>])
2462         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2463                 [#include <sys/types.h>
2464                  #include <utime.h>])
2465         AC_CHECK_MEMBERS(
2466                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2467                 [#include <sys/types.h>
2468                  #include <dirent.h>])
2469         AC_CHECK_MEMBERS(
2470                 [struct passwd.pw_gecos],,, 
2471                 [#include <sys/types.h>
2472                  #include <pwd.h>])
2473         AC_CHECK_MEMBERS(
2474                 [struct statfs.f_flags],,, 
2475                 [#include <sys/types.h>
2476                  #include <sys/vfs.h>])
2477         AC_CHECK_MEMBERS(
2478                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2479                 [#include <sys/types.h>
2480                  #include <sys/stat.h>
2481                  #include <unistd.h>])
2482
2483         dnl Favour xattr through glibc, but use libattr if we have to
2484         AC_CHECK_FUNC(lsetxattr, ,
2485                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2486         )
2487         AC_SUBST(XATTR_LIB)
2488
2489         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2490         AC_CHECK_MEMBERS(
2491                 [struct kinfo_proc.kp_proc],,, 
2492                 [#include <sys/types.h>
2493                  #include <sys/param.h>
2494                  #include <sys/sysctl.h>
2495                  #include <sys/proc.h>
2496                  ])
2497
2498         dnl *********************************
2499         dnl *** Checks for Windows compilation ***
2500         dnl *********************************
2501         AC_CHECK_HEADERS(sys/time.h)
2502         AC_CHECK_HEADERS(sys/param.h)
2503         AC_CHECK_HEADERS(dirent.h)
2504
2505         dnl ******************************************
2506         dnl *** Checks for OSX and iOS compilation ***
2507         dnl ******************************************
2508         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2509
2510         dnl *********************************
2511         dnl *** Check for Console 2.0 I/O ***
2512         dnl *********************************
2513         AC_CHECK_HEADERS([curses.h])
2514         AC_CHECK_HEADERS([term.h], [], [],
2515         [#if HAVE_CURSES_H
2516          #include <curses.h>
2517          #endif
2518         ])
2519         AC_CHECK_HEADERS([termios.h])
2520 else
2521         dnl *********************************
2522         dnl *** Checks for Windows compilation ***
2523         dnl *********************************
2524         AC_CHECK_HEADERS(winternl.h)
2525
2526         jdk_headers_found=no
2527         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2528         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2529         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2530         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2531         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2532         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2533         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2534
2535         dnl *********************************
2536         dnl *** Check for struct ip_mreqn ***
2537         dnl *********************************
2538         AC_MSG_CHECKING(for struct ip_mreqn)
2539         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2540                 struct ip_mreqn mreq;
2541                 mreq.imr_address.s_addr = 0;
2542         ], [
2543                 # Yes, we have it...
2544                 AC_MSG_RESULT(yes)
2545                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2546         ], [
2547                 # We'll just have to try and use struct ip_mreq
2548                 AC_MSG_RESULT(no)
2549                 AC_MSG_CHECKING(for struct ip_mreq)
2550                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2551                         struct ip_mreq mreq;
2552                         mreq.imr_interface.s_addr = 0;
2553                 ], [
2554                         # Yes, we have it...
2555                         AC_MSG_RESULT(yes)
2556                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2557                 ], [
2558                         # No multicast support
2559                         AC_MSG_RESULT(no)
2560                 ])
2561         ])
2562
2563         dnl **********************************
2564         dnl *** Check for getaddrinfo ***
2565         dnl **********************************
2566         AC_MSG_CHECKING(for getaddrinfo)
2567                 AC_TRY_LINK([
2568                 #include <stdio.h>
2569                 #include <winsock2.h>
2570                 #include <ws2tcpip.h>
2571         ], [
2572                 getaddrinfo(NULL,NULL,NULL,NULL);
2573         ], [
2574                 # Yes, we have it...
2575                 AC_MSG_RESULT(yes)
2576                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2577         ], [
2578                 AC_MSG_RESULT(no)
2579         ])
2580
2581         dnl **********************************
2582         dnl *** Check for gethostbyname ***
2583         dnl **********************************
2584         AC_MSG_CHECKING(for gethostbyname)
2585                 AC_TRY_LINK([
2586                 #include <stdio.h>
2587                 #include <winsock2.h>
2588                 #include <ws2tcpip.h>
2589         ], [
2590                 gethostbyname(NULL);
2591         ], [
2592                 # Yes, we have it...
2593                 AC_MSG_RESULT(yes)
2594                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2595         ], [
2596                 AC_MSG_RESULT(no)
2597         ])
2598
2599         dnl **********************************
2600         dnl *** Check for getprotobyname ***
2601         dnl **********************************
2602         AC_MSG_CHECKING(for getprotobyname)
2603                 AC_TRY_LINK([
2604                 #include <stdio.h>
2605                 #include <winsock2.h>
2606                 #include <ws2tcpip.h>
2607         ], [
2608                 getprotobyname(NULL);
2609         ], [
2610                 # Yes, we have it...
2611                 AC_MSG_RESULT(yes)
2612                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2613         ], [
2614                 AC_MSG_RESULT(no)
2615         ])
2616
2617         dnl **********************************
2618         dnl *** Check for getnameinfo ***
2619         dnl **********************************
2620         AC_MSG_CHECKING(for getnameinfo)
2621                 AC_TRY_LINK([
2622                 #include <stdio.h>
2623                 #include <winsock2.h>
2624                 #include <ws2tcpip.h>
2625         ], [
2626                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2627         ], [
2628                 # Yes, we have it...
2629                 AC_MSG_RESULT(yes)
2630                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2631         ], [
2632                 AC_MSG_RESULT(no)
2633         ])
2634
2635         dnl **********************************
2636         dnl *** Check for inet_ntop ***
2637         dnl **********************************
2638         AC_MSG_CHECKING(for inet_ntop)
2639                 AC_TRY_LINK([
2640                 #include <stdio.h>
2641                 #include <winsock2.h>
2642                 #include <ws2tcpip.h>
2643         ], [
2644                 inet_ntop (0, NULL, NULL, 0);
2645         ], [
2646                 # Yes, we have it...
2647                 AC_MSG_RESULT(yes)
2648                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2649         ], [
2650                 AC_MSG_RESULT(no)
2651         ])
2652
2653         dnl **********************************
2654         dnl *** Check for inet_pton ***
2655         dnl **********************************
2656         AC_MSG_CHECKING(for inet_pton)
2657                 AC_TRY_LINK([
2658                 #include <stdio.h>
2659                 #include <winsock2.h>
2660                 #include <ws2tcpip.h>
2661         ], [
2662                 #ifndef inet_pton
2663                 (void) inet_pton;
2664                 #endif
2665                 inet_pton (0, NULL, NULL);
2666         ], [
2667                 # Yes, we have it...
2668                 AC_MSG_RESULT(yes)
2669                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2670         ], [
2671                 AC_MSG_RESULT(no)
2672         ])
2673
2674         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2675         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2676         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2677         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2678         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2679         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2680         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2681 fi
2682
2683 dnl socklen_t check
2684 AC_MSG_CHECKING(for socklen_t)
2685 AC_TRY_COMPILE([
2686 #include <sys/types.h>
2687 #include <sys/socket.h>
2688 ],[
2689   socklen_t foo;
2690 ],[
2691 ac_cv_c_socklen_t=yes
2692         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2693         AC_MSG_RESULT(yes)
2694 ],[
2695         AC_MSG_RESULT(no)
2696 ])
2697
2698 AC_MSG_CHECKING(for array element initializer support)
2699 AC_TRY_COMPILE([#include <sys/socket.h>], [
2700         const int array[] = {[1] = 2,};
2701 ], [
2702         # Yes, we have it...
2703         AC_MSG_RESULT(yes)
2704         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2705 ], [
2706         # We'll have to use signals
2707         AC_MSG_RESULT(no)
2708 ])
2709
2710 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2711         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2712         AC_TRY_LINK([#include <math.h>], 
2713         [ static void *p = &trunc; ],
2714         [
2715                 AC_DEFINE(HAVE_TRUNC) 
2716                 AC_MSG_RESULT(yes)
2717                 ac_cv_trunc=yes
2718         ],
2719         AC_MSG_RESULT(no)))
2720
2721 if test "x$ac_cv_truncl" != "xyes"; then
2722    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2723 fi
2724
2725 AC_CHECK_FUNCS(execvp)
2726
2727 dnl ****************************
2728 dnl *** Look for /dev/random ***
2729 dnl ****************************
2730
2731 AC_MSG_CHECKING([if usage of random device is requested])
2732 AC_ARG_ENABLE(dev-random,
2733 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2734 try_dev_random=$enableval, try_dev_random=yes)
2735
2736 AC_MSG_RESULT($try_dev_random)
2737
2738 case "{$build}" in
2739     *-openbsd*)
2740     NAME_DEV_RANDOM="/dev/srandom"
2741     ;;
2742
2743 dnl Win32 does not have /dev/random, they have their own method...
2744
2745     *-mingw*|*-*-cygwin*)
2746     ac_cv_have_dev_random=no
2747     ;;
2748
2749 dnl Everywhere else, it's /dev/random
2750
2751     *)
2752     NAME_DEV_RANDOM="/dev/random"
2753     ;;
2754 esac
2755
2756 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2757
2758 dnl Now check if the device actually exists
2759
2760 if test "x$try_dev_random" = "xyes"; then
2761     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2762     [if test -r "$NAME_DEV_RANDOM" ; then
2763         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2764     if test "x$ac_cv_have_dev_random" = "xyes"; then
2765         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2766     fi
2767 else
2768     AC_MSG_CHECKING(for random device)
2769     ac_cv_have_dev_random=no
2770     AC_MSG_RESULT(has been disabled)
2771 fi
2772
2773 if test "x$host_win32" = "xyes"; then
2774     AC_DEFINE(HAVE_CRYPT_RNG)
2775 fi
2776
2777 if test "x$ac_cv_have_dev_random" = "xno" \
2778     && test "x$host_win32" = "xno"; then
2779     AC_MSG_WARN([[
2780 ***
2781 *** A system-provided entropy source was not found on this system.
2782 *** Because of this, the System.Security.Cryptography random number generator
2783 *** will throw a NotImplemented exception.
2784 ***
2785 *** If you are seeing this message, and you know your system DOES have an
2786 *** entropy collection in place, please contact <crichton@gimp.org> and
2787 *** provide information about the system and how to access the random device.
2788 ***
2789 *** Otherwise you can install either egd or prngd and set the environment
2790 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2791 ***]])
2792 fi
2793
2794 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2795
2796 AC_MSG_CHECKING([if big-arrays are to be enabled])
2797 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2798 if test "x$enable_big_arrays" = "xyes" ; then
2799     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2800         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2801     else
2802         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2803     fi
2804 fi
2805 AC_MSG_RESULT($enable_big_arrays)
2806
2807 dnl **************
2808 dnl *** DTRACE ***
2809 dnl **************
2810
2811 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2812
2813 if test "x$enable_dtrace" = "xyes"; then
2814    if test "x$has_dtrace" = "xno"; then
2815           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2816    fi
2817    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2818    if test "x$DTRACE" = "xno"; then
2819           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2820           enable_dtrace=no
2821    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2822           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2823           enable_dtrace=no
2824    fi
2825 fi
2826
2827 dtrace_g=no
2828 if test "x$enable_dtrace" = "xyes"; then
2829         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2830         DTRACEFLAGS=
2831         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2832                 case "$host" in
2833                         powerpc-*-darwin*)
2834                         DTRACEFLAGS="-arch ppc64"
2835                         ;;
2836                         i*86-*-darwin*)
2837                         DTRACEFLAGS="-arch x86_64"
2838                         ;;
2839                         *)
2840                         DTRACEFLAGS=-64
2841                         ;;
2842                 esac
2843         else
2844                 case "$host" in
2845                         powerpc-*-darwin*)
2846                         DTRACEFLAGS="-arch ppc"
2847                         ;;
2848                         i*86-*-darwin*)
2849                         DTRACEFLAGS="-arch i386"
2850                         ;;
2851                         *)
2852                         DTRACEFLAGS=-32
2853                         ;;
2854                 esac
2855         fi
2856         AC_SUBST(DTRACEFLAGS)
2857         case "$host" in
2858                 *-*-solaris*)
2859                 dtrace_g=yes
2860                 ;;
2861         esac
2862         AC_CHECK_HEADERS([sys/sdt.h])
2863 fi
2864 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2865 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2866
2867 dnl **************************
2868 dnl *** AOT cross offsets  ***
2869 dnl **************************
2870
2871 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2872     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2873
2874 dnl **************
2875 dnl ***  LLVM  ***
2876 dnl **************
2877
2878 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2879 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2880 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2881 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2882
2883 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2884
2885 if test "x$enable_llvm" = "xdefault"; then
2886    enable_llvm=$enable_llvm_default
2887 fi
2888
2889 if test "x$enable_llvm" = "xyes"; then
2890    if test "x$with_llvm" != "x"; then
2891           LLVM_CONFIG=$with_llvm/bin/llvm-config
2892           if test x$host_win32 = xyes; then
2893                 LLVM_CONFIG=$LLVM_CONFIG.exe
2894           fi
2895           if test ! -x $LLVM_CONFIG; then
2896                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2897       fi
2898    else
2899       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2900       if test "x$LLVM_CONFIG" = "xno"; then
2901              AC_MSG_ERROR([llvm-config not found.])
2902       fi
2903    fi
2904
2905    llvm_codegen="x86codegen"
2906    case "$target" in
2907    arm*)
2908                 llvm_codegen="armcodegen"
2909                 ;;
2910    esac
2911
2912    if test "x$host_win32" = "xno"; then
2913
2914    # Should be something like '2.6' or '2.7svn'
2915    llvm_version=`$LLVM_CONFIG --version`
2916    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2917    AC_MSG_CHECKING(LLVM version)
2918    AC_MSG_RESULT($llvm_version $llvm_api_version)
2919    if echo $llvm_version | grep -q 'mono'; then
2920           if test "x$enable_llvm_version_check" = "xyes"; then
2921                  if test "$llvm_version" != "$expected_llvm_version"; then
2922                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2923                  fi
2924           fi
2925    else
2926           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.])
2927    fi
2928
2929    # The output of --cflags seems to include optimizations flags too
2930    if test $llvm_api_version -gt 100; then
2931           # The --cflags argument includes all kinds of warnings -pendantic etc.
2932           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2933           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2934    else
2935           LLVM_CFLAGS=`$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'`
2936       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2937    fi
2938    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2939    # from LLVM classes.
2940    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2941    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2942    # This might include empty lines
2943    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2944    llvm_jit_supported=yes
2945    llvm_jit_libs="jit mcjit $llvm_codegen"
2946    if test "x$host" != "x$target"; then
2947       # No need for jit libs
2948           llvm_jit_supported=no
2949       llvm_jit_libs=""
2950    elif test $llvm_api_version -gt 100; then
2951       llvm_jit_libs="orcjit $llvm_codegen"
2952    fi
2953    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2954    if test "x$LLVM_LIBS" = "x"; then
2955           echo "$LLVM_CONFIG --libs failed."
2956           exit 1
2957    fi
2958    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2959    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2960    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2961       LLVM_LIBS="$LLVM_LIBS -lc++"
2962    else
2963       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2964    fi
2965
2966    expected_llvm_version="3.4svn-mono-mono/e656cac"
2967
2968    else
2969        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2970        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2971        LLVM_LDFLAGS="-L$with_llvm/lib"
2972        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2973        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2974          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2975          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2976          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2977          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2978          -lLLVMAnalysis -lLLVMTarget \
2979          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2980          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2981          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2982          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2983          -lLLVMSupport -lstdc++"
2984        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2985
2986        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2987        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2988    fi  
2989
2990    if test "x$llvm_api_version" = "x"; then
2991           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2992           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2993    else
2994           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2995           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2996    fi   
2997
2998    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraries])
2999
3000    AC_SUBST(LLVM_CFLAGS)
3001    AC_SUBST(LLVM_CXXFLAGS)
3002    AC_SUBST(LLVM_LIBS)
3003    AC_SUBST(LLVM_LDFLAGS)
3004    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
3005 fi
3006
3007 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
3008 if test "x$enable_loadedllvm" = "xyes"; then
3009    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
3010 fi
3011 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
3012
3013 if test "x$enable_llvm" = "xyes"; then
3014    enable_llvm_runtime=yes
3015 fi
3016 if test "x$enable_llvm_runtime" = "xyes"; then
3017    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
3018 fi
3019 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
3020
3021 TARGET="unknown"
3022 ACCESS_UNALIGNED="yes"
3023
3024 LIBC="libc.so.6"
3025 INTL="libc.so.6"
3026 SQLITE="libsqlite.so.0"
3027 SQLITE3="libsqlite3.so.0"
3028 X11="libX11.so"
3029 GDKX11="libgdk-x11-2.0.so.0"
3030 GTKX11="libgtk-x11-2.0.so.0"
3031 XINERAMA="libXinerama.so.1"
3032
3033 sizeof_register="SIZEOF_VOID_P"
3034
3035 jit_wanted=true
3036 boehm_supported=true
3037 BTLS_SUPPORTED=no
3038 BTLS_PLATFORM=
3039 case "$host" in
3040         mips*)
3041                 TARGET=MIPS;
3042                 arch_target=mips;
3043                 with_tls=pthread;
3044                 ACCESS_UNALIGNED="no"
3045
3046                 AC_MSG_CHECKING(for mips n32)
3047                 AC_TRY_COMPILE([],[
3048                 #if _MIPS_SIM != _ABIN32
3049                 #error Not mips n32
3050                 #endif
3051                 return 0;
3052                 ],[
3053                 AC_MSG_RESULT(yes)
3054                 sizeof_register=8
3055                 ],[
3056                 AC_MSG_RESULT(no)
3057                 ])
3058                 ;;
3059         i*86-*-*)
3060                 TARGET=X86;
3061                 arch_target=x86;
3062                 case $host_os in
3063                   solaris*)
3064                         LIBC="libc.so"
3065                         INTL="libintl.so"
3066                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3067                                 TARGET=AMD64
3068                                 arch_target=amd64
3069                         fi
3070
3071                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
3072                         # int astruct __attribute__ ((visibility ("hidden")));
3073                         # void foo ()
3074                         # {
3075                         #       void *p = &astruct;
3076                         # }
3077                         # gcc -fPIC --shared -o libfoo.so foo.c
3078                         # yields:
3079                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3080                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3081                         have_visibility_hidden=no
3082                         ;;
3083                   mingw*|cygwin*)
3084                         have_visibility_hidden=no                 
3085                         ;;
3086                   haiku*)
3087                         LIBC=libroot.so
3088                         ;;
3089                   linux*)
3090                         AOT_SUPPORTED="yes"
3091                         BTLS_SUPPORTED=yes
3092                         BTLS_PLATFORM=i386
3093                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3094                         ;;
3095                   darwin*)
3096                         AOT_SUPPORTED="yes"
3097                         BTLS_SUPPORTED=yes
3098                         BTLS_PLATFORM=i386
3099                         ;;
3100                   openbsd*|freebsd*|kfreebsd-gnu*)
3101                         ;;
3102                 esac
3103                 ;;
3104         x86_64-*-* | amd64-*-*)
3105                 TARGET=AMD64;
3106                 arch_target=amd64;
3107                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3108                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3109                         sizeof_register=8
3110                 fi
3111                 case $host_os in
3112                   linux*)
3113                         AOT_SUPPORTED="yes"
3114                         BTLS_SUPPORTED=yes
3115                         BTLS_PLATFORM=x86_64
3116                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3117                         ;;
3118                   darwin*)
3119                         AOT_SUPPORTED="yes"
3120                         BTLS_SUPPORTED=yes
3121                         BTLS_PLATFORM=x86_64
3122                         boehm_supported=false
3123                         ;;
3124                   openbsd*|freebsd*|kfreebsd-gnu*)
3125                         ;;
3126                   mingw*)
3127                         ;;
3128                 esac
3129                 ;;
3130         sparc*-*-*)
3131                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3132                    TARGET=SPARC64
3133                 else
3134                         TARGET=SPARC
3135                 fi
3136                 arch_target=sparc;
3137                 ACCESS_UNALIGNED="no"
3138                 case $host_os in
3139                   linux*) ;;
3140                   *)
3141                         LIBC="libc.so"
3142                         INTL="libintl.so"
3143                 esac
3144                 if test x"$GCC" = xyes; then
3145                         # We don't support v8 cpus
3146                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3147                 fi
3148                 if test x"$AR" = xfalse; then
3149                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3150                 fi
3151                 ;;
3152         *-mingw*|*-*-cygwin*)
3153                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3154                 have_visibility_hidden=no
3155                 INTL="intl"
3156                 ;;
3157         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3158         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3159                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3160                         TARGET=POWERPC64;
3161                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3162                         CFLAGS="$CFLAGS -mminimal-toc"
3163                 else
3164                         TARGET=POWERPC;
3165                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3166                 fi
3167                 arch_target=ppc;
3168                 case $host_os in
3169                   linux*|darwin*)
3170                         ;;
3171                 esac
3172                 ;;
3173         armv7k-*-darwin*)
3174                 TARGET=ARM;
3175                 TARGET_SYS=WATCHOS
3176                 arch_target=arm;
3177                 arm_fpu=VFP_HARD
3178                 ACCESS_UNALIGNED="no"
3179                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3180                 ;;
3181
3182         arm*-darwin*)
3183                 TARGET=ARM;
3184                 arch_target=arm;
3185                 ACCESS_UNALIGNED="no"
3186                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3187                 ;;
3188         arm*-linux*)
3189                 TARGET=ARM;
3190                 arch_target=arm;
3191                 ACCESS_UNALIGNED="no"
3192                 AOT_SUPPORTED="yes"
3193                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3194                 BTLS_SUPPORTED=yes
3195                 BTLS_PLATFORM=arm
3196                 AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3197                 case "$target" in
3198                 arm*-linux*-gnueabi)
3199                         BTLS_PLATFORM=armsoft
3200                         ;;
3201                 esac
3202                 ;;
3203         arm*-netbsd*-eabi*)
3204                 TARGET=ARM;
3205                 arch_target=arm;
3206                 ACCESS_UNALIGNED="no"
3207                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3208                 ;;
3209         aarch64-*)
3210                 # https://lkml.org/lkml/2012/7/15/133
3211                 TARGET=ARM64
3212                 arch_target=arm64
3213                 boehm_supported=false
3214                 AOT_SUPPORTED="yes"
3215                 BTLS_SUPPORTED=yes
3216                 BTLS_PLATFORM=aarch64
3217                 AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3218                 ;;
3219         s390x-*-linux*)
3220                 TARGET=S390X;
3221                 arch_target=s390x;
3222                 ACCESS_UNALIGNED="yes"
3223                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3224                 ;;
3225 esac
3226
3227 HOST=$TARGET
3228
3229 if test "x$host" != "x$target"; then
3230    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3231    enable_mcs_build=no
3232    BTLS_SUPPORTED=no
3233    case "$target" in
3234    arm*-darwin*)
3235                 TARGET=ARM;
3236                 arch_target=arm;
3237                 ACCESS_UNALIGNED="no"
3238                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3239                 # Can't use tls, since it depends on the runtime detection of tls offsets
3240                 # in mono-compiler.h
3241                 with_tls=pthread
3242                 case "$target" in
3243                 armv7k-*)
3244                         arm_fpu=VFP_HARD
3245                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3246                         ;;
3247                 esac            
3248                 ;;
3249    powerpc64-ps3-linux-gnu)
3250                 TARGET=POWERPC64
3251                 arch_target=powerpc64
3252                 AC_DEFINE(TARGET_PS3, 1, [...])
3253                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3254                 # uses this define
3255                 AC_DEFINE(__mono_ppc64__, 1, [...])
3256                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3257                 sizeof_register=8
3258                 target_byte_order=G_BIG_ENDIAN
3259                 ;;
3260    powerpc64-xbox360-linux-gnu)
3261                 TARGET=POWERPC64
3262                 arch_target=powerpc64
3263                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3264                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3265                 # uses this define
3266                 sizeof_register=8
3267                 target_byte_order=G_BIG_ENDIAN
3268                 ;;
3269    arm*-linux-*)
3270                 TARGET=ARM;
3271                 arch_target=arm;
3272                 AC_DEFINE(TARGET_ARM, 1, [...])
3273                 ACCESS_UNALIGNED="no"
3274                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3275                 # Can't use tls, since it depends on the runtime detection of tls offsets
3276                 # in mono-compiler.h
3277                 with_tls=pthread
3278                 target_mach=no
3279                 case "$target" in
3280                 armv7l-unknown-linux-gnueabi*)
3281                         # TEGRA
3282                         CPPFLAGS="$CPPFLAGS"
3283                         ;;
3284                 armv5-*-linux-androideabi*)
3285                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3286                         CPPFLAGS="$CPPFLAGS"
3287                         ;;
3288                 *-linux-androideabi*)
3289                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3290                         CPPFLAGS="$CPPFLAGS"
3291                         ;;
3292                 esac
3293                 ;;
3294    arm*-netbsd*-eabi*)
3295                 TARGET=ARM;
3296                 arch_target=arm;
3297                 AC_DEFINE(TARGET_ARM, 1, [...])
3298                 ACCESS_UNALIGNED="no"
3299                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3300                 # Can't use tls, since it depends on the runtime detection of tls offsets
3301                 # in mono-compiler.h
3302                 with_tls=pthread
3303                 target_mach=no
3304                 ;;
3305    i686*-linux-*)
3306                 TARGET=X86;
3307                 arch_target=x86;
3308                 AC_DEFINE(TARGET_X86, 1, [...])
3309                 CPPFLAGS="$CPPFLAGS"
3310                 # Can't use tls, since it depends on the runtime detection of tls offsets
3311                 # in mono-compiler.h            
3312                 with_tls=pthread
3313                 target_mach=no
3314
3315                 case "$target" in
3316                 *-linux-android*)
3317                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3318                         ;;
3319                 esac
3320                 ;;
3321    x86_64*-linux-*)
3322                 TARGET=AMD64;
3323                 arch_target=amd64;
3324                 AC_DEFINE(TARGET_AMD64, 1, [...])
3325                 CPPFLAGS="$CPPFLAGS"
3326                 # Can't use tls, since it depends on the runtime detection of tls offsets
3327                 # in mono-compiler.h
3328                 with_tls=pthread
3329                 target_mach=no
3330
3331                 case "$target" in
3332                 *-linux-android*)
3333                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3334                         ;;
3335                 esac
3336                 ;;
3337    x86_64-ps4-freebsd)
3338                 TARGET=AMD64;
3339                 arch_target=amd64;
3340                 AC_DEFINE(TARGET_AMD64, 1, [...])
3341                 AC_DEFINE(TARGET_PS4, 1, [...])
3342                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3343                 CPPFLAGS="$CPPFLAGS"
3344                 # Can't use tls, since it depends on the runtime detection of tls offsets
3345                 # in mono-compiler.h
3346                 with_tls=pthread
3347                 target_mach=no
3348                 target_win32=no
3349                 ;;
3350    aarch64*-linux-*)
3351                 TARGET=ARM64;
3352                 arch_target=arm64;
3353                 AC_DEFINE(TARGET_ARM64, 1, [...])
3354                 CPPFLAGS="$CPPFLAGS"
3355                 # Can't use tls, since it depends on the runtime detection of tls offsets
3356                 # in mono-compiler.h
3357                 with_tls=pthread
3358                 target_mach=no
3359                 case "$target" in
3360                 *-linux-android*)
3361                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3362                         ;;
3363                 esac
3364                 ;;
3365         aarch64-*)
3366                 TARGET=ARM64
3367                 ;;
3368         *)
3369                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3370         esac
3371 fi
3372
3373 case "$TARGET" in
3374 X86)
3375         AC_DEFINE(TARGET_X86, 1, [...])
3376         ;;
3377 AMD64)
3378         AC_DEFINE(TARGET_AMD64, 1, [...])
3379         ;;
3380 ARM)
3381         AC_DEFINE(TARGET_ARM, 1, [...])
3382         ;;
3383 ARM64)
3384         AC_DEFINE(TARGET_ARM64, 1, [...])
3385         ;;
3386 POWERPC)
3387         AC_DEFINE(TARGET_POWERPC, 1, [...])
3388         ;;
3389 POWERPC64)
3390         AC_DEFINE(TARGET_POWERPC, 1, [...])
3391         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3392         ;;
3393 S390X)
3394         AC_DEFINE(TARGET_S390X, 1, [...])
3395         ;;
3396 MIPS)
3397         AC_DEFINE(TARGET_MIPS, 1, [...])
3398         ;;
3399 SPARC)
3400         AC_DEFINE(TARGET_SPARC, 1, [...])
3401         ;;
3402 SPARC64)
3403         AC_DEFINE(TARGET_SPARC64, 1, [...])
3404         ;;
3405 esac
3406
3407 case "$HOST" in
3408 X86)
3409         AC_DEFINE(HOST_X86, 1, [...])
3410         ;;
3411 AMD64)
3412         AC_DEFINE(HOST_AMD64, 1, [...])
3413         ;;
3414 ARM)
3415         AC_DEFINE(HOST_ARM, 1, [...])
3416         ;;
3417 ARM64)
3418         AC_DEFINE(HOST_ARM64, 1, [...])
3419         ;;
3420 POWERPC)
3421         AC_DEFINE(HOST_POWERPC, 1, [...])
3422         ;;
3423 POWERPC64)
3424         AC_DEFINE(HOST_POWERPC, 1, [...])
3425         AC_DEFINE(HOST_POWERPC64, 1, [...])
3426         ;;
3427 S390X)
3428         AC_DEFINE(HOST_S390X, 1, [...])
3429         ;;
3430 MIPS)
3431         AC_DEFINE(HOST_MIPS, 1, [...])
3432         ;;
3433 SPARC)
3434         AC_DEFINE(HOST_SPARC, 1, [...])
3435         ;;
3436 SPARC64)
3437         AC_DEFINE(HOST_SPARC64, 1, [...])
3438         ;;
3439 esac
3440
3441
3442
3443 dnl *************
3444 dnl *** VTUNE ***
3445 dnl *************
3446
3447 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3448 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3449
3450 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3451
3452 if test "x$enable_vtune" = "xyes"; then
3453         if test "x$with_vtune" = "x"; then
3454                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3455         else
3456                 VTUNE_PATH=$with_vtune
3457         fi
3458         VTUNE_INCLUDE=$VTUNE_PATH/include
3459         case "$TARGET" in
3460         X86)
3461                 VTUNE_LIB=$VTUNE_PATH/lib32
3462                 ;;
3463         AMD64)
3464                 VTUNE_LIB=$VTUNE_PATH/lib64
3465                 ;;
3466         *)
3467                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3468                 ;;
3469         esac
3470         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3471                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3472         fi
3473         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3474                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3475         fi
3476
3477         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3478         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3479
3480         AC_SUBST(VTUNE_LIBS)
3481         AC_SUBST(VTUNE_CFLAGS)
3482 fi
3483 dnl Use GCC atomic ops if they work on the target.
3484 if test x$GCC = "xyes"; then
3485         case $TARGET in
3486         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3487                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3488                 ;;
3489         esac
3490 fi
3491
3492 if test "x$target_mach" = "xyes"; then
3493
3494    if test "x$TARGET_SYS" = "xWATCHOS"; then
3495           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3496           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3497           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3498           BTLS_SUPPORTED=no
3499    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3500           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3501           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3502           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3503           BTLS_SUPPORTED=no
3504    else
3505        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3506        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3507        #error fail this for ios
3508        #endif
3509        return 0;
3510        ], [
3511                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3512           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3513           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3514           target_osx=yes
3515        ], [
3516           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3517           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3518           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3519           BTLS_SUPPORTED=no
3520        ])
3521         fi
3522    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3523 fi
3524
3525 AM_CONDITIONAL(TARGET_OSX, test x$target_osx = xyes)
3526
3527 if test "x$sizeof_register" = "x4"; then
3528    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3529 elif test "x$sizeof_register" = "x8"; then
3530    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3531 else
3532    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3533 fi
3534
3535 AC_SUBST(SIZEOF_VOID_P,[$ac_cv_sizeof_void_p])
3536
3537 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3538    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3539 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3540    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3541 else
3542    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3543 fi
3544
3545 if test "x$have_visibility_hidden" = "xyes"; then
3546    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3547 fi
3548
3549 if test "x$have_deprecated" = "xyes"; then
3550    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3551 fi
3552
3553 AC_ARG_ENABLE(interpreter, [  --enable-interpreter       Enable Interpreter], enable_interpreter=$enableval, enable_interpreter=no)
3554
3555 if test "x$enable_interpreter" = "xyes"; then
3556         AC_DEFINE(ENABLE_INTERPRETER, 1, [Enable Interpreter])
3557 fi
3558
3559 AM_CONDITIONAL(ENABLE_INTERPRETER, [test x$enable_interpreter = xyes])
3560
3561 dnl 
3562 dnl Simple Generational checks (sgen)
3563 dnl
3564 SGEN_DEFINES=
3565 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3566 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3567 if test x$buildsgen = xyes; then
3568    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3569    SGEN_DEFINES="-DHAVE_SGEN_GC"
3570
3571         conc_gc_msg=""
3572    if test x$with_sgen_default_concurrent != xno; then
3573        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3574            conc_gc_msg=" (concurrent by default)"
3575    fi
3576
3577    if test "x$gc_msg" = "x"; then
3578       gc_msg="sgen$conc_gc_msg"
3579    else
3580       gc_msg="sgen$conc_gc_msg and $gc_msg"
3581    fi
3582 fi
3583 AC_SUBST(SGEN_DEFINES)
3584 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3585
3586 jit_status="Building and using the JIT"
3587
3588 libsuffix=".so"
3589
3590 case "$host" in
3591      *-*-darwin*)
3592         libsuffix=".dylib"
3593         LIBC="libc.dylib"
3594         INTL="libintl.dylib"
3595         SQLITE="libsqlite.0.dylib"
3596         SQLITE3="libsqlite3.0.dylib"
3597         X11="libX11.dylib"
3598         GDKX11="libgdk-x11-2.0.dylib"
3599         GTKX11="libgtk-x11-2.0.dylib"
3600         ;;
3601      *-*-*netbsd*)
3602         LIBC="libc.so"
3603         INTL="libintl.so"
3604         SQLITE="libsqlite.so"
3605         SQLITE3="libsqlite3.so"
3606         ;;
3607      *-*-kfreebsd*-gnu)
3608         LIBC="libc.so.0.1"
3609         INTL="libc.so.0.1"
3610         X11="libX11.so.6"
3611         ;;
3612     *-*-*freebsd*)
3613         LIBC="libc.so.7"
3614         INTL="libintl.so"
3615         SQLITE="libsqlite.so"
3616         SQLITE3="libsqlite3.so"
3617         ;;
3618     *-*-*openbsd*)
3619         LIBC="libc.so"
3620         INTL="libintl.so"
3621         SQLITE="libsqlite.so"
3622         SQLITE3="libsqlite3.so"
3623         ;;
3624     *-*-*linux*)
3625         AC_PATH_X
3626         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3627         AC_MSG_CHECKING(for the soname of libX11.so)
3628         for i in $x_libraries $dlsearch_path; do
3629                 for r in 4 5 6; do
3630                         if test -f $i/libX11.so.$r; then
3631                                 X11=libX11.so.$r
3632                                 AC_MSG_RESULT($X11)
3633                         fi
3634                 done
3635         done
3636         
3637         if test "x$X11" = "xlibX11.so"; then
3638                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3639                 X11=libX11.so.6
3640         fi
3641         ;;
3642 esac
3643
3644
3645 AC_SUBST(libsuffix)
3646
3647 AC_ARG_WITH([libgdiplus],
3648         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3649         [], [with_libgdiplus=installed])
3650
3651 # default install location
3652 libgdiplus_install_loc=libgdiplus${libsuffix}
3653 case "$host" in
3654     *-*-*linux*)
3655     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3656     ;;
3657 esac
3658
3659 case $with_libgdiplus in
3660     no|installed)
3661     libgdiplus_loc=
3662     ;;
3663
3664     yes|sibling)
3665     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3666     ;;
3667
3668     /*) # absolute path, assume it is an install location
3669     libgdiplus_loc=$with_libgdiplus
3670     libgdiplus_install_loc=$with_libgdiplus
3671     ;;
3672
3673     *)
3674     libgdiplus_loc=`pwd`/$with_libgdiplus
3675     ;;
3676 esac
3677 AC_SUBST([libgdiplus_loc])
3678 AC_SUBST([libgdiplus_install_loc])
3679
3680 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3681 if test "x$icall_symbol_map" = "xyes"; then
3682    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3683 fi
3684
3685 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3686 if test "x$icall_export" = "xyes"; then
3687    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3688 fi
3689
3690 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3691 if test "x$icall_tables" = "xno"; then
3692    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3693 fi
3694
3695 if test "x$with_tls" = "x__thread"; then
3696         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3697         # Pass the information to libgc
3698         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3699         AC_MSG_CHECKING(if the tls_model attribute is supported)
3700         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3701                 ], [
3702                         AC_MSG_RESULT(yes)
3703                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3704                 ], [
3705                         AC_MSG_RESULT(no)
3706         ])
3707 fi
3708
3709 if test ${TARGET} = ARM; then
3710         dnl ******************************************
3711         dnl *** Check to see what FPU is available ***
3712         dnl ******************************************
3713         AC_MSG_CHECKING(which FPU to use)
3714
3715         #
3716         # This is a bit tricky:
3717         #
3718         # if (__ARM_PCS_VFP) {
3719         #       /* mfloat-abi=hard == VFP with hard ABI */
3720         # } elif (!__SOFTFP__) {
3721         #       /* mfloat-abi=softfp == VFP with soft ABI */
3722         # } else {
3723         #       /* mfloat-abi=soft == no VFP */
3724         # }
3725         #
3726         # The exception is iOS (w/ GCC) where none of the above
3727         # are defined (but iOS always uses the 'softfp' ABI).
3728         #
3729         # No support for FPA.
3730         #
3731
3732         fpu=NONE
3733
3734         # iOS GCC always uses the 'softfp' ABI.
3735         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3736                 fpu=VFP
3737         fi
3738
3739         # Are we using the 'hard' ABI?
3740         if test x$fpu = xNONE; then
3741                 AC_TRY_COMPILE([], [
3742                         #ifndef __ARM_PCS_VFP
3743                         #error "Float ABI is not 'hard'"
3744                         #endif
3745                         return 0;
3746                 ], [
3747                         fpu=VFP_HARD
3748                 ], [
3749                         fpu=NONE
3750                 ])
3751         fi
3752
3753         # No 'hard' ABI. 'soft' or 'softfp'?
3754         if test x$fpu = xNONE; then
3755                 AC_TRY_COMPILE([], [
3756                         #ifdef __SOFTFP__
3757                         #error "Float ABI is not 'softfp'"
3758                         #endif
3759                         return 0;
3760                 ], [
3761                         fpu=VFP
3762                 ], [
3763                         fpu=NONE
3764                 ])
3765         fi
3766
3767         if test x$arm_fpu != x; then
3768            fpu=$arm_fpu
3769         fi
3770
3771         AC_MSG_RESULT($fpu)
3772         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3773         unset fpu
3774
3775         dnl *********************************************
3776         dnl *** Check which ARM version(s) we can use ***
3777         dnl *********************************************
3778         AC_MSG_CHECKING(which ARM version to use)
3779
3780         AC_TRY_COMPILE([], [
3781                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3782                 #error Not on ARM v5.
3783                 #endif
3784                 return 0;
3785         ], [
3786                 arm_v5=yes
3787
3788                 arm_ver=ARMv5
3789         ], [])
3790
3791         AC_TRY_COMPILE([], [
3792                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3793                 #error Not on ARM v6.
3794                 #endif
3795                 return 0;
3796         ], [
3797                 arm_v5=yes
3798                 arm_v6=yes
3799
3800                 arm_ver=ARMv6
3801         ], [])
3802
3803         AC_TRY_COMPILE([], [
3804                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3805                 #error Not on ARM v7.
3806                 #endif
3807                 return 0;
3808         ], [
3809                 arm_v5=yes
3810                 arm_v6=yes
3811                 arm_v7=yes
3812
3813                 arm_ver=ARMv7
3814         ], [])
3815
3816         AC_MSG_RESULT($arm_ver)
3817
3818         if test x$arm_v5 = xyes; then
3819                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3820                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3821         fi
3822
3823         if test x$arm_v6 = xyes; then
3824                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3825                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3826         fi
3827
3828         if test x$arm_v7 = xyes; then
3829                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3830                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3831         fi
3832 fi
3833
3834 if test ${TARGET} = unknown; then
3835         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3836         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3837 fi
3838
3839 if test "x$platform_android" = "xyes"; then
3840         case "x${TARGET}" in
3841         xARM)
3842                 case "x$arm_ver" in
3843                 xARMv5)
3844                         BTLS_SUPPORTED=yes
3845                         BTLS_PLATFORM=android-armv5
3846                         ;;
3847                 xARMv6)
3848                         BTLS_SUPPORTED=yes
3849                         BTLS_PLATFORM=android-armv6
3850                         ;;
3851                 xARMv7)
3852                         BTLS_SUPPORTED=yes
3853                         BTLS_PLATFORM=android-armv7
3854                         ;;
3855                 *)
3856                         BTLS_SUPPORTED=no
3857                         ;;
3858                 esac
3859                 ;;
3860         xARM64)
3861                 BTLS_SUPPORTED=yes
3862                 BTLS_PLATFORM=android-v8a
3863                 ;;
3864         xX86)
3865                 BTLS_SUPPORTED=yes
3866                 BTLS_PLATFORM=android-x86
3867                 ;;
3868         xAMD64)
3869                 BTLS_SUPPORTED=yes
3870                 BTLS_PLATFORM=android-x64
3871                 ;;
3872         *)
3873                 BTLS_SUPPORTED=no
3874                 ;;
3875         esac
3876 fi
3877
3878 if test ${ACCESS_UNALIGNED} = no; then
3879         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3880 fi
3881
3882 if test x$host_darwin = xyes; then
3883         AC_MSG_CHECKING([for ranlib that supports -no_warning_for_no_symbols option])
3884         AS_IF(
3885                 [$RANLIB -no_warning_for_no_symbols 2>&1 | grep -q "unknown option"],
3886                 [AC_MSG_RESULT([no])],
3887                 [
3888                         # avoid AR calling ranlib, libtool calls it anyway. suppress no symbols warning.
3889                         AR_FLAGS="Scru"
3890                         RANLIB="$RANLIB -no_warning_for_no_symbols"
3891                         AC_MSG_RESULT([yes])
3892                 ]
3893         )
3894 fi
3895
3896 case "x$libgc" in
3897         xincluded)
3898                 # Pass CPPFLAGS to libgc configure
3899                 # We should use a separate variable for this to avoid passing useless and
3900                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3901                 # This should be executed late so we pick up the final version of CPPFLAGS
3902                 # The problem with this approach, is that during a reconfigure, the main
3903                 # configure scripts gets invoked with these arguments, so we use separate
3904                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3905                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3906                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3907                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3908                 fi
3909                 # Don't pass -finstrument-for-thread-suspension in, 
3910                 # if these are instrumented it will be very bad news 
3911                 # (infinite recursion, undefined parking behavior, etc)
3912                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3913                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3914                 if test "x$support_boehm" = "xyes"; then
3915                         AC_CONFIG_SUBDIRS(libgc)
3916                 fi
3917                 ;;
3918 esac
3919
3920 MALLOC_MEMPOOLS=no
3921 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3922         if test x$with_malloc_mempools = xyes; then
3923                 MALLOC_MEMPOOLS=yes
3924                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3925         fi
3926 ])
3927
3928
3929 DISABLE_MCS_DOCS=default
3930 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3931         if test x$with_mcs_docs != xyes; then
3932                 DISABLE_MCS_DOCS=yes
3933         fi
3934 ])
3935 if test -n "$INSTALL_4_x_TRUE"; then :
3936         DISABLE_MCS_DOCS=yes
3937 fi
3938 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
3939    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
3940 fi
3941
3942 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3943         if test x$with_lazy_gc_thread_creation != xno ; then
3944                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3945         fi
3946 ], [with_lazy_gc_thread_creation=no])
3947
3948 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])
3949
3950 if test x$with_cooperative_gc = xdefault; then
3951         with_cooperative_gc=$with_cooperative_gc_default
3952 fi
3953
3954 if test x$with_cooperative_gc != xno; then
3955         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3956 fi
3957
3958 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
3959
3960 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],[
3961
3962         if test x$enable_checked_build != x ; then
3963                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
3964         fi
3965         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
3966                 eval "mono_checked_build_test_enable_$feature='yes'"
3967         done
3968
3969         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
3970                 eval "mono_checked_build_test_enable_gc='yes'"
3971                 eval "mono_checked_build_test_enable_metadata='yes'"
3972                 eval "mono_checked_build_test_enable_thread='yes'"
3973         fi
3974
3975         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
3976                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
3977         fi
3978
3979         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
3980                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
3981         fi
3982
3983         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
3984                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
3985         fi
3986
3987 ], [])
3988
3989 AC_CHECK_HEADER([malloc.h], 
3990                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3991                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3992
3993 if test x"$GCC" = xyes; then
3994         # Implicit function declarations are not 64 bit safe
3995         # Do this late, since this causes lots of configure tests to fail
3996         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3997         # jay has a lot of implicit declarations
3998         JAY_CFLAGS="-Wno-implicit-function-declaration"
3999 fi
4000
4001 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
4002 # instead of libmono-static.a
4003 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
4004    LIBMONO_LA=libmini-static.la
4005 else
4006    if test x$buildsgen = xyes; then
4007       LIBMONO_LA=libmonosgen-$API_VER.la
4008    else
4009       LIBMONO_LA=libmonoboehm-$API_VER.la
4010    fi
4011 fi
4012 AC_SUBST(LIBMONO_LA)
4013
4014 dnl **************
4015 dnl ***  Btls  ***
4016 dnl **************
4017
4018 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
4019 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
4020
4021 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
4022
4023 btls_android=no
4024 if test "x$enable_btls" = "xyes"; then
4025         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
4026         if test "x$CMAKE" = "xno"; then
4027                 AC_MSG_ERROR("cmake not found")
4028         fi
4029
4030         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
4031         AC_SUBST(BTLS_ROOT)
4032
4033         btls_arch=
4034         btls_cflags=
4035         BTLS_CMAKE_ARGS=
4036
4037         case "$BTLS_PLATFORM" in
4038         i386)
4039                 btls_arch=i386
4040                 btls_cflags="-m32"
4041                 case $host_os in
4042                         darwin*)
4043                                 btls_cflags="$btls_cflags -arch i386"
4044                 esac
4045                 ;;
4046         x86_64)
4047                 btls_arch=x86_64
4048                 ;;
4049         arm)
4050                 btls_arch=arm
4051                 ;;
4052         armsoft)
4053                 btls_arch=arm
4054                 btls_cflags="-DOPENSSL_NO_ASM=1"
4055                 ;;
4056         aarch64)
4057                 btls_arch=aarch64
4058                 ;;
4059         android-armv5)
4060                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4061                 ;;
4062         android-armv6)
4063                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4064                 ;;
4065         android-armv7)
4066                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
4067                 ;;
4068         android-v8a)
4069                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
4070                 ;;
4071         android-x86)
4072                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
4073                 ;;
4074         android-x64)
4075                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
4076                 ;;
4077         *)
4078                 AC_MSG_ERROR(Invalid BTLS platform)
4079         esac
4080
4081         if test "x$platform_android" = "xyes"; then
4082                 btls_android=yes
4083                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
4084                 if test "x$with_btls_android_ndk" != "x"; then
4085                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
4086                 else
4087                         AC_MSG_ERROR([Need to pass the --with-btls-android-ndk argument when building with BTLS support on Android.])
4088                 fi
4089         fi
4090
4091         if test "x$btls_arch" != "x"; then
4092                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
4093         fi
4094
4095         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4096         AC_SUBST(BTLS_ARCH)
4097         AC_SUBST(BTLS_CFLAGS)
4098         AC_SUBST(BTLS_PLATFORM)
4099         AC_SUBST(BTLS_CMAKE_ARGS)
4100
4101         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4102 else
4103         enable_btls=no
4104 fi
4105
4106 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4107
4108 if test x$DISABLE_MCS_DOCS = xyes; then
4109    docs_dir=""
4110 else
4111    docs_dir=docs
4112 fi
4113 AC_SUBST(docs_dir)
4114
4115 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4116 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4117
4118 libmono_ldflags="$libmono_ldflags $LIBS"
4119
4120 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4121 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4122 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4123 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4124 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4125 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4126 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4127 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4128 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4129 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4130 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4131 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4132 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4133 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4134 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4135 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4136 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4137
4138 AC_SUBST(LIBC)
4139 AC_SUBST(INTL)
4140 AC_SUBST(SQLITE)
4141 AC_SUBST(SQLITE3)
4142 AC_SUBST(X11)
4143 AC_SUBST(GDKX11)
4144 AC_SUBST(GTKX11)
4145 AC_SUBST(XINERAMA)
4146 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4147 AC_SUBST(arch_target)
4148 AC_SUBST(CFLAGS)
4149 AC_SUBST(CPPFLAGS)
4150 AC_SUBST(LDFLAGS)
4151
4152 #This must always be defined when building the runtime
4153 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4154
4155 mono_build_root=`pwd`
4156 AC_SUBST(mono_build_root)
4157
4158 mono_runtime=mono/mini/mono
4159 AC_SUBST(mono_runtime)
4160
4161 CSC_LOCATION=`cd $srcdir && pwd`/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.2.3.0/tools/csc.exe
4162
4163 if test $csc_compiler = mcs; then
4164   CSC=$mcs_topdir/class/lib/build/mcs.exe
4165 else
4166   CSC=$CSC_LOCATION
4167 fi
4168
4169 mono_cfg_root=$mono_build_root/runtime
4170 if test x$host_win32 = xyes; then
4171   if test "x$cross_compiling" = "xno"; then
4172     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4173     CSC=`cygpath -m -a $CSC`
4174     CSC_LOCATION=`cygpath -m -a $CSC_LOCATION`
4175   else
4176     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4177   fi
4178 else
4179   mono_cfg_dir=$mono_cfg_root/etc
4180 fi
4181 AC_SUBST(mono_cfg_dir)
4182
4183 AC_SUBST(CSC)
4184
4185 AC_CONFIG_FILES([po/mcs/Makefile.in])
4186
4187 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4188 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4189
4190 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4191 [   depth=../../../..
4192     case $srcdir in
4193     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4194     .) reldir=$depth ;;
4195     *) reldir=$depth/$srcdir ;;
4196     esac
4197     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4198     cd runtime/etc/mono/1.0
4199     rm -f machine.config
4200     $LN_S $reldir/data/net_1_1/machine.config machine.config
4201     cd $depth
4202 ],[LN_S='$LN_S'])
4203
4204 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4205 [   depth=../../../..
4206     case $srcdir in
4207     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4208     .) reldir=$depth ;;
4209     *) reldir=$depth/$srcdir ;;
4210     esac
4211     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4212     cd runtime/etc/mono/2.0
4213     rm -f machine.config
4214     $LN_S $reldir/data/net_2_0/machine.config machine.config
4215     cd $depth
4216 ],[LN_S='$LN_S'])
4217
4218 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4219 [   depth=../../../..
4220     case $srcdir in
4221     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4222     .) reldir=$depth ;;
4223     *) reldir=$depth/$srcdir ;;
4224     esac
4225     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4226     cd runtime/etc/mono/2.0
4227     rm -f web.config
4228     $LN_S $reldir/data/net_2_0/web.config web.config
4229     cd $depth
4230 ],[LN_S='$LN_S'])
4231
4232 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4233 [   depth=../../..
4234     case $srcdir in
4235     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4236     .) reldir=$depth ;;
4237     *) reldir=$depth/$srcdir ;;
4238     esac
4239     $ac_aux_dir/install-sh -d runtime/etc/mono/
4240     cd runtime/etc/mono/
4241     rm -f browscap.ini
4242     $LN_S $reldir/data/browscap.ini browscap.ini
4243     cd $depth
4244 ],[LN_S='$LN_S'])
4245
4246 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4247 [   depth=../../../../..
4248     case $srcdir in
4249     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4250     .) reldir=$depth ;;
4251     *) reldir=$depth/$srcdir ;;
4252     esac
4253     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4254     cd runtime/etc/mono/2.0/Browsers
4255     rm -f Compat.browser
4256     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4257     cd $depth
4258 ],[LN_S='$LN_S'])
4259
4260 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4261 [   depth=../../../../..
4262     case $srcdir in
4263     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4264     .) reldir=$depth ;;
4265     *) reldir=$depth/$srcdir ;;
4266     esac
4267     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4268     cd runtime/etc/mono/4.0/Browsers
4269     rm -f Compat.browser
4270     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4271     cd $depth
4272 ],[LN_S='$LN_S'])
4273
4274 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4275 [   depth=../../../../..
4276     case $srcdir in
4277     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4278     .) reldir=$depth ;;
4279     *) reldir=$depth/$srcdir ;;
4280     esac
4281     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4282     cd runtime/etc/mono/4.5/Browsers
4283     rm -f Compat.browser
4284     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4285     cd $depth
4286 ],[LN_S='$LN_S'])
4287
4288 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4289 [   depth=../../../..
4290     case $srcdir in
4291     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4292     .) reldir=$depth ;;
4293     *) reldir=$depth/$srcdir ;;
4294     esac
4295     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4296     cd runtime/etc/mono/4.0
4297     rm -f machine.config
4298     $LN_S $reldir/data/net_4_0/machine.config machine.config
4299     cd $depth
4300 ],[LN_S='$LN_S'])
4301
4302 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4303 [   depth=../../../..
4304     case $srcdir in
4305     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4306     .) reldir=$depth ;;
4307     *) reldir=$depth/$srcdir ;;
4308     esac
4309     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4310     cd runtime/etc/mono/4.0
4311     rm -f web.config
4312     $LN_S $reldir/data/net_4_0/web.config web.config
4313     cd $depth
4314 ],[LN_S='$LN_S'])
4315
4316 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4317 [   depth=../../../..
4318     case $srcdir in
4319     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4320     .) reldir=$depth ;;
4321     *) reldir=$depth/$srcdir ;;
4322     esac
4323     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4324     cd runtime/etc/mono/4.5
4325     rm -f machine.config
4326     $LN_S $reldir/data/net_4_5/machine.config machine.config
4327     cd $depth
4328 ],[LN_S='$LN_S'])
4329
4330 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4331 [   depth=../../../..
4332     case $srcdir in
4333     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4334     .) reldir=$depth ;;
4335     *) reldir=$depth/$srcdir ;;
4336     esac
4337     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4338     cd runtime/etc/mono/4.5
4339     rm -f web.config
4340     $LN_S $reldir/data/net_4_5/web.config web.config
4341     cd $depth
4342 ],[LN_S='$LN_S'])
4343
4344 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])
4345 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])
4346
4347 AC_OUTPUT([
4348 Makefile
4349 mono-uninstalled.pc
4350 acceptance-tests/Makefile
4351 llvm/Makefile
4352 scripts/mono-find-provides
4353 scripts/mono-find-requires
4354 mono/Makefile
4355 mono/btls/Makefile
4356 mono/utils/Makefile
4357 mono/metadata/Makefile
4358 mono/dis/Makefile
4359 mono/cil/Makefile
4360 mono/arch/Makefile
4361 mono/arch/x86/Makefile
4362 mono/arch/amd64/Makefile
4363 mono/arch/ppc/Makefile
4364 mono/arch/sparc/Makefile
4365 mono/arch/s390x/Makefile
4366 mono/arch/arm/Makefile
4367 mono/arch/arm64/Makefile
4368 mono/arch/mips/Makefile
4369 mono/sgen/Makefile
4370 mono/tests/Makefile
4371 mono/tests/tests-config
4372 mono/tests/gc-descriptors/Makefile
4373 mono/tests/testing_gac/Makefile
4374 mono/unit-tests/Makefile
4375 mono/benchmark/Makefile
4376 mono/mini/Makefile
4377 mono/profiler/Makefile
4378 m4/Makefile
4379 ikvm-native/Makefile
4380 scripts/Makefile
4381 man/Makefile
4382 docs/Makefile
4383 data/Makefile
4384 data/net_2_0/Makefile
4385 data/net_4_0/Makefile
4386 data/net_4_5/Makefile
4387 data/net_2_0/Browsers/Makefile
4388 data/net_4_0/Browsers/Makefile
4389 data/net_4_5/Browsers/Makefile
4390 data/mint.pc
4391 data/mono-2.pc
4392 data/monosgen-2.pc
4393 data/mono.pc
4394 data/mono-cairo.pc
4395 data/mono-nunit.pc
4396 data/mono-options.pc
4397 data/mono-lineeditor.pc
4398 data/monodoc.pc
4399 data/dotnet.pc
4400 data/dotnet35.pc
4401 data/wcf.pc
4402 data/cecil.pc
4403 data/system.web.extensions_1.0.pc
4404 data/system.web.extensions.design_1.0.pc
4405 data/system.web.mvc.pc
4406 data/system.web.mvc2.pc
4407 data/system.web.mvc3.pc
4408 data/aspnetwebstack.pc
4409 data/reactive.pc
4410 samples/Makefile
4411 support/Makefile
4412 data/config
4413 tools/Makefile
4414 tools/locale-builder/Makefile
4415 tools/sgen/Makefile
4416 tools/monograph/Makefile
4417 tools/pedump/Makefile
4418 runtime/Makefile
4419 msvc/Makefile
4420 po/Makefile
4421 ])
4422
4423 # Update all submodules recursively to ensure everything is checked out
4424 $srcdir/scripts/update_submodules.sh
4425
4426 if test x$host_win32 = xyes; then
4427    # Get rid of 'cyg' prefixes in library names
4428    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4429    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4430    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4431    # executable doesn't work...
4432    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4433 fi
4434
4435 if test x$host_darwin = xyes; then
4436    # This doesn't seem to be required and it slows down parallel builds
4437    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4438 fi
4439
4440 (
4441   case $prefix in
4442   NONE) prefix=$ac_default_prefix ;;
4443   esac
4444   case $exec_prefix in
4445   NONE) exec_prefix='${prefix}' ;;
4446   esac
4447
4448   #
4449   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4450   # any existing config.make.  This allows people to share the same source tree
4451   # with different build directories, one native and one cross
4452   #
4453   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4454
4455     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4456
4457     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4458     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4459     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4460     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4461     echo "mono_build_root=$mono_build_root" >> $mcs_topdir/build/config.make
4462     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4463     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4464     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4465     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4466
4467     case $INSTALL in
4468     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4469     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4470     esac
4471
4472     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4473
4474     export VERSION
4475     [myver=$($AWK 'BEGIN {
4476       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4477       if(length(vsplit [1]) > 4) {
4478         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4479       }
4480       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4481     }')]
4482
4483     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4484     echo "MONO_CORLIB_VERSION = $MONO_CORLIB_VERSION" >> $mcs_topdir/build/config.make
4485
4486     if test x$host_darwin = xyes; then
4487       echo "BUILD_PLATFORM = darwin" >> $mcs_topdir/build/config.make
4488     elif test x$host_win32 = xyes; then
4489       echo "BUILD_PLATFORM = win32" >> $mcs_topdir/build/config.make
4490     else
4491       echo "BUILD_PLATFORM = linux" >> $mcs_topdir/build/config.make
4492     fi
4493
4494     if test x$host_darwin = xyes; then
4495       echo "HOST_PLATFORM ?= darwin" >> $mcs_topdir/build/config.make
4496     elif test x$host_win32 = xyes; then
4497       echo "HOST_PLATFORM ?= win32" >> $mcs_topdir/build/config.make
4498     else
4499       echo "HOST_PLATFORM ?= linux" >> $mcs_topdir/build/config.make
4500     fi
4501
4502     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4503       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4504     fi
4505
4506         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4507            enable_system_aot=yes
4508         fi
4509
4510     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4511       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4512     fi
4513
4514     if test x$DISABLE_MCS_DOCS = xyes; then
4515       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4516     fi
4517
4518     if test x$has_extension_module != xno; then
4519         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4520     fi
4521     
4522     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4523     
4524     if test "x$test_bcl_opt" = "xyes"; then    
4525       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4526     fi
4527
4528     echo "CSC_LOCATION = $CSC_LOCATION" >> $srcdir/$mcsdir/build/config.make
4529
4530     if test $csc_compiler = mcs; then
4531       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
4532     fi
4533
4534     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4535       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4536       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4537     fi
4538
4539     if test "x$enable_btls" = "xyes"; then
4540       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4541     fi
4542
4543   fi
4544
4545 )
4546
4547 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4548
4549 btls_platform_string=
4550 if test x$enable_btls = xyes; then
4551         if test x$btls_android = xyes; then
4552                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4553         else
4554                 btls_platform_string=" ($BTLS_PLATFORM)"
4555         fi
4556 fi
4557
4558 echo "
4559         mcs source:    $mcsdir
4560         C# Compiler:   $csc_compiler
4561
4562    Engine:
4563         Host:          $host
4564         Target:        $target
4565         GC:            $gc_msg 
4566         TLS:           $with_tls
4567         SIGALTSTACK:   $with_sigaltstack
4568         Engine:        $jit_status
4569         BigArrays:     $enable_big_arrays
4570         DTrace:        $enable_dtrace
4571         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4572         Interpreter:   $enable_interpreter
4573
4574    Libraries:
4575         .NET 4.x:        $with_profile4_x
4576         Xamarin.Android: $with_monodroid
4577         Xamarin.iOS:     $with_monotouch
4578         Xamarin.WatchOS: $with_monotouch_watch
4579         Xamarin.TVOS:    $with_monotouch_tv
4580         Xamarin.Mac:     $with_xammac
4581         Windows AOT:     $with_winaot
4582         Orbis:           $with_orbis
4583         Unreal:          $with_unreal
4584         Test profiles:   AOT Full ($with_testing_aot_full), AOT Hybrid ($with_testing_aot_hybrid)
4585         JNI support:     $jdk_headers_found
4586         libgdiplus:      $libgdiplus_msg
4587         zlib:            $zlib_msg
4588         BTLS:            $enable_btls$btls_platform_string
4589         $disabled
4590 "
4591 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4592    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4593 fi