[msvc] Update csproj files
[mono.git] / configure.ac
1 # Process this file with autoconf to produce a configure script.
2 #AC_PREREQ([2.62])
3
4 # when bumping version number below, keep it in sync with man/mono.1 too
5 AC_INIT(mono, [4.9.0],
6         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
7
8 AC_CONFIG_SRCDIR([README.md])
9 AC_CONFIG_MACRO_DIR([m4])
10 AC_CANONICAL_SYSTEM
11 AC_CANONICAL_HOST
12
13 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
14 # The extra brackets are to foil regex-based scans.
15 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
16
17 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects]
18                  m4_esyscmd([case `automake --version | head -n 1` in    # parallel-tests is default in automake 1.13+, we need to explicitly enable it
19                              *1.11*|*1.12*) echo parallel-tests;;        # for 1.11 and 1.12 but not below as those versions don't recognize the flag
20                              esac]))                                     # TODO: remove this hack once we require automake 1.11+
21
22 AC_CONFIG_HEADERS([config.h])
23 AM_MAINTAINER_MODE
24
25 API_VER=2.0
26 AC_SUBST(API_VER)
27
28 AC_PROG_LN_S
29
30 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
31
32 case $host_os in
33 *cygwin* )
34                  echo "Run configure using ./configure --host=i686-pc-mingw32"
35                  exit 1
36 esac
37
38 # In case of cygwin, override LN_S, irrespective of what it determines.
39 # The build uses cygwin, but the actual runtime doesn't.
40 case $host_os in
41 *cygwin* ) LN_S='cp -p';;
42 esac
43
44 #
45 # libgc defaults
46 #
47 libgc_configure_args=
48
49 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
50 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
51 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
52 CFLAGS_FOR_LIBGC=$CFLAGS
53 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
54 CFLAGS_FOR_EGLIB=$CFLAGS
55 CPPFLAGS_FOR_BTLS=$CPPFLAGS
56 CFLAGS_FOR_BTLS=$CFLAGS
57
58 # libgc uses some deprecated APIs
59 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
60
61 #
62 # These are the flags that need to be stored in the mono.pc file for 
63 # compiling code that will embed Mono
64 #
65 libmono_cflags=""
66 libmono_ldflags=""
67 AC_SUBST(libmono_cflags)
68 AC_SUBST(libmono_ldflags)
69
70 # Variable to have relocatable .pc files (lib, or lib64)
71 # realpath isn't always available, and requires that all but the tip of the provided
72 # path exists. Fall back to the old behaviour, but realpath allows depth >1
73 # e.g. Debian puts Mono in /usr/bin and libs in /usr/lib/x86_64-linux-gnu/ which is
74 # too deep for the old method to work
75 reloc_libdir=`realpath --relative-to=${prefix} ${libdir} 2> /dev/null || basename ${libdir}`
76 AC_SUBST(reloc_libdir)
77
78 # Set to yes if Unix sockets cannot be created in an anonymous namespace
79 need_link_unlink=no
80
81 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
82 extra_runtime_ldflags=""
83
84 # Thread configuration inspired by sleepycat's db
85 AC_MSG_CHECKING([host platform characteristics])
86 libgc_threads=no
87 has_dtrace=no
88 parallel_mark=yes
89 ikvm_native=yes
90
91 host_win32=no
92 target_win32=no
93 platform_android=no
94 host_darwin=no
95 case "$host" in
96         *-mingw*|*-*-cygwin*)
97                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
98                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
99                 host_win32=yes
100                 mono_cv_clang=no
101                 if test "x$cross_compiling" = "xno"; then
102                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
103                                 target_win32=yes
104                         fi
105                 else
106                         if test "x$host" = "x$target"; then
107                                 target_win32=yes
108                         fi
109                 fi
110                 HOST_CC="gcc"
111                 # Windows Vista or later is required
112                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
113                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
114                 libmono_cflags="-mms-bitfields -mwindows"
115                 libmono_ldflags="-mms-bitfields -mwindows"
116                 libdl=
117                 libgc_threads=win32
118                 with_sigaltstack=no
119                 with_tls=pthread
120                 with_sgen_default_concurrent=yes
121                 LN_S=cp
122                 # This forces libgc to use the DllMain based thread registration code on win32
123                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
124                 ;;
125         *-*-*netbsd*)
126                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
127                 libmono_cflags="-D_REENTRANT"
128                 LDFLAGS="$LDFLAGS -pthread"
129                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
130                 libmono_ldflags="-pthread"
131                 need_link_unlink=yes
132                 libdl="-ldl"
133                 libgc_threads=pthreads
134                 with_sigaltstack=no
135                 use_sigposix=yes
136                 with_sgen_default_concurrent=yes
137                 ;;
138         *-*-kfreebsd*-gnu)
139                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
140                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
141                 libmono_ldflags="-lpthread -pthread"
142                 libdl="-ldl"
143                 libgc_threads=pthreads
144                 need_link_unlink=yes
145                 with_sigaltstack=no
146                 use_sigposix=yes
147                 with_sgen_default_concurrent=yes
148                 ;;
149         *-*-*freebsd*)
150                 if test "x$PTHREAD_CFLAGS" = "x"; then
151                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
152                         libmono_cflags=
153                 else
154                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
155                         libmono_cflags="$PTHREAD_CFLAGS"
156                 fi
157                 if test "x$PTHREAD_LIBS" = "x"; then
158                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
159                         libmono_ldflags="-pthread"
160                 else
161                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
162                         libmono_ldflags="$PTHREAD_LIBS"
163                 fi
164                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
165                 need_link_unlink=yes
166                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
167                 libdl=
168                 libgc_threads=pthreads
169                 use_sigposix=yes
170                 has_dtrace=yes
171                 with_sgen_default_concurrent=yes
172                 ;;
173         *-*-*openbsd*)
174                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
175                 if test "x$disable_munmap" != "xyes"; then
176                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
177                 fi
178                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
179                 LDFLAGS="$LDFLAGS -pthread"
180                 need_link_unlink=yes
181                 AC_DEFINE(PTHREAD_POINTER_ID)
182                 libdl=
183                 libgc_threads=pthreads
184                 with_sigaltstack=no
185                 use_sigposix=yes
186                 with_sgen_default_concurrent=yes
187                 ;;
188         *-*-linux-android*)
189                 platform_android=yes
190                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
191                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
192
193                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
194                 if test "x$disable_munmap" != "xyes"; then
195                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
196                 fi
197                 libmono_cflags="-D_REENTRANT"
198                 libdl="-ldl"
199                 libgc_threads=pthreads
200                 use_sigposix=yes
201
202                 with_tls=pthread
203                 with_sigaltstack=no
204                 with_static_mono=no
205
206                 # Android doesn't support boehm, as it's missing <link.h>
207                 support_boehm=no
208                 with_gc=sgen
209
210                 # isinf(3) requires -lm; see isinf check below
211                 LDFLAGS="$LDFLAGS -lm"
212
213                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
214                 # PAGE_SIZE; breaks mono/io-layer/collection.c
215                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
216                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
217                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
218
219                 # The configure check can't detect this
220                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
221
222                 # to bypass the underscore linker check, can't work when cross-compiling
223                 mono_cv_uscore=yes
224                 mono_cv_clang=no
225                 ;;
226         *-*-linux*)
227                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
228                 if test "x$disable_munmap" != "xyes"; then
229                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
230                 fi
231                 libmono_cflags="-D_REENTRANT"
232                 libdl="-ldl"
233                 libgc_threads=pthreads
234                 use_sigposix=yes
235                 if test "x$cross_compiling" != "xno"; then
236                         # to bypass the underscore linker check, not
237                         # available during cross-compilation
238                         mono_cv_uscore=no
239                 fi
240                 case "$host" in
241                 aarch64-*)
242                         support_boehm=no
243                         with_gc=sgen
244                         ;;
245                 powerpc*-*-linux*)
246                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
247                         disable_munmap=yes
248                         ;;
249                 esac
250                 with_sgen_default_concurrent=yes
251                 ;;
252         *-*-nacl*)
253                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
254                 if test "x$disable_munmap" != "xyes"; then
255                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
256                 fi
257                 libmono_cflags="-D_REENTRANT"
258                 libdl=
259                 libgc_threads=pthreads
260                 use_sigposix=yes
261                 ikvm_native=no
262                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
263                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
264                 ;;
265         *-*-hpux*)
266                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
267                 # +ESdbgasm only valid on bundled cc on RISC
268                 # silently ignored for ia64
269                 if test $GCC != "yes"; then
270                         CFLAGS="$CFLAGS +ESdbgasm"
271                         # Arrange for run-time dereferencing of null
272                         # pointers to produce a SIGSEGV signal.
273                         LDFLAGS="$LDFLAGS -z"
274                 fi
275                 CFLAGS="$CFLAGS +ESdbgasm"
276                 LDFLAGS="$LDFLAGS -z"
277                 libmono_cflags="-D_REENTRANT"
278                 libmono_ldflags="-lpthread"
279                 libgc_threads=pthreads
280                 need_link_unlink=yes
281                 use_sigposix=yes
282                 ;;
283         *-*-solaris*)
284                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
285                 need_link_unlink=yes
286                 libmono_cflags="-D_REENTRANT"
287                 libgc_threads=pthreads
288                 has_dtrace=yes
289                 use_sigposix=yes
290                 enable_solaris_tar_check=yes
291                 ;;
292         *-*-darwin*)
293                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
294                 host_darwin=yes
295                 target_mach=yes
296                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
297                 libmono_cflags="-D_THREAD_SAFE"
298                 need_link_unlink=yes
299                 AC_DEFINE(PTHREAD_POINTER_ID)
300                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
301                 libdl=
302                 libgc_threads=pthreads
303                 has_dtrace=yes
304                 if test "x$cross_compiling" = "xyes"; then
305                         has_broken_apple_cpp=yes
306                 fi
307                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
308                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
309                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
310                 case "$host" in
311                         dnl Snow Leopard and newer config.guess reports as this
312                         i*86-*-darwin*)
313                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
314                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
315                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
316                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
317                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
318                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
319                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
320                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
321                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
322                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
323                                 with_sgen_default_concurrent=yes
324                                 ;;
325                         x*64-*-darwin*)
326                                 with_sgen_default_concurrent=yes
327                                 ;;
328                         arm*-darwin*)
329                                 has_dtrace=no
330                                 ;;                      
331                 esac
332                 ;;
333         *-*-haiku*)
334                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
335                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
336                 libdl=
337                 LIBS="$LIBS -lnetwork"
338                 need_link_unlink=yes
339                 AC_DEFINE(PTHREAD_POINTER_ID)
340                 libgc_threads=pthreads
341                 use_sigposix=yes
342                 ;;
343         *)
344                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
345                 libdl="-ldl"
346                 ;;
347 esac
348 AC_MSG_RESULT(ok)
349
350 if test x$need_link_unlink = xyes; then
351    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
352 fi
353
354 if test x$host_win32 = xyes; then
355    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
356 fi
357
358 if test x$target_win32 = xyes; then
359    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
360 fi
361
362 # Defined for all targets/platforms using classic Windows API support.
363 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
364 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
365
366 AC_SUBST(extra_runtime_ldflags)
367 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
368 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
369 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
370 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
371 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
372 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
373
374 if test -z "$PLATFORM_DARWIN_TRUE"; then :
375 PLATFORM_AOT_SUFFIX=.dylib
376 fi
377
378 if test -z "$PLATFORM_LINUX_TRUE"; then :
379 PLATFORM_AOT_SUFFIX=.so
380 fi
381
382 if test -z "$HOST_WIN32_TRUE"; then :
383 PLATFORM_AOT_SUFFIX=.dll
384 fi
385
386 AC_SUBST(PLATFORM_AOT_SUFFIX)
387
388 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
389
390 AC_CHECK_TOOL(CC, gcc, gcc)
391 AC_PROG_CC
392 AC_CHECK_TOOL(CXX, g++, g++)
393 AC_PROG_CXX
394 AM_PROG_AS
395 AC_PROG_INSTALL
396 AC_PROG_AWK
397 AM_PROG_CC_C_O
398 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
399 : ${CCAS='$(CC)'}
400 # Set ASFLAGS if not already set.
401 : ${CCASFLAGS='$(CFLAGS)'}
402 AC_SUBST(CCAS)
403 AC_SUBST(CCASFLAGS)
404
405 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
406 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
407 if test "x$CXX" = "xg++"; then
408         if test "x$GXX" != "xyes"; then
409                 # automake/libtool is so broken, it requires g++ even if the c++ sources
410                 # are inside automake conditionals
411                 AC_MSG_ERROR([You need to install g++])
412         fi
413 fi
414
415 dnl may require a specific autoconf version
416 dnl AC_PROG_CC_FOR_BUILD
417 dnl CC_FOR_BUILD not automatically detected
418 CC_FOR_BUILD=$CC
419 CFLAGS_FOR_BUILD=$CFLAGS
420 BUILD_EXEEXT=
421 if test "x$cross_compiling" = "xyes"; then
422         CC_FOR_BUILD=cc
423         CFLAGS_FOR_BUILD=
424         BUILD_EXEEXT=""
425 fi
426 AC_SUBST(CC_FOR_BUILD)
427 AC_SUBST(CFLAGS_FOR_BUILD)
428 AC_SUBST(HOST_CC)
429 AC_SUBST(BUILD_EXEEXT)
430
431 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
432 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
433
434 # Set STDC_HEADERS
435 AC_HEADER_STDC
436 AC_LIBTOOL_WIN32_DLL
437 # This causes monodis to not link correctly
438 #AC_DISABLE_FAST_INSTALL
439
440 #lookup makedev() header
441 AC_HEADER_MAJOR
442
443 AM_PROG_LIBTOOL
444 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
445 DOLT
446
447 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
448 AC_SUBST(export_ldflags)
449
450 # Test whenever ld supports -version-script
451 AC_PROG_LD
452 AC_PROG_LD_GNU
453
454 AM_ICONV()
455
456 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)
457 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)
458 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
459                   [], [], [#include <stddef.h>
460                   #include <sys/socket.h>
461                   #include <linux/socket.h>])
462
463 AC_CHECK_HEADERS(sys/user.h, [], [],
464 [
465 #ifdef HAVE_SYS_PARAM_H
466 # include <sys/param.h>
467 #endif
468 ])
469
470 AC_CHECK_HEADERS(linux/serial.h)
471
472 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
473 if test x$have_zlib = xyes; then
474    AC_TRY_COMPILE([#include <zlib.h>], [
475    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
476    return 0;
477    #else
478    #error No good zlib found
479    #endif
480    ],[
481         AC_MSG_RESULT(Using system zlib)
482         zlib_msg="system zlib"
483         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
484    ],[
485         AC_MSG_RESULT(Using embedded zlib)
486         have_zlib=no
487         zlib_msg="bundled zlib"
488    ])
489 fi
490
491 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
492 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
493
494 # for mono/metadata/debug-symfile.c
495 AC_CHECK_HEADERS(elf.h)
496
497 # for support
498 AC_CHECK_HEADERS(poll.h)
499 AC_CHECK_HEADERS(sys/poll.h)
500 AC_CHECK_HEADERS(sys/wait.h)
501 AC_CHECK_HEADERS(grp.h)
502 AC_CHECK_HEADERS(syslog.h)
503
504 # for mono/dis
505 AC_CHECK_HEADERS(wchar.h)
506 AC_CHECK_HEADERS(ieeefp.h)
507 AC_MSG_CHECKING(for isinf)
508 AC_TRY_LINK([#include <math.h>], [
509         int f = isinf (1.0);
510 ], [
511         AC_MSG_RESULT(yes)
512         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
513 ], [
514         # We'll have to use signals
515         AC_MSG_RESULT(no)
516 ])
517 # mingw
518 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
519         AC_TRY_LINK([#include <math.h>], 
520         [ _finite(0.0); ], 
521         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
522         AC_MSG_RESULT(no)))
523
524 # for Linux statfs support
525 AC_CHECK_HEADERS(linux/magic.h)
526
527 # not 64 bit clean in cross-compile
528 AC_CHECK_SIZEOF(void *, 4)
529
530 AC_CACHE_CHECK([for clang],
531         mono_cv_clang,[
532         AC_TRY_COMPILE([], [
533                 #ifdef __clang__
534                 #else
535                 #error "FAILED"
536                 #endif
537                 return 0;
538         ],
539         [mono_cv_clang=yes],
540         [mono_cv_clang=no],
541         [])
542 ])
543
544 AC_ARG_ENABLE(visibility-hidden,
545 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
546    disable_visibility_hidden=yes, disable_visibility_hidden=no)
547
548 WARN=''
549 if test x"$GCC" = xyes; then
550         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes -Wno-format-zero-length'
551
552                 # We require C99 with some GNU extensions, e.g. `linux` macro
553                 CFLAGS="$CFLAGS -std=gnu99"
554
555                 # The runtime code does not respect ANSI C strict aliasing rules
556                 CFLAGS="$CFLAGS -fno-strict-aliasing"
557
558                 # We rely on signed overflow to behave
559                 CFLAGS="$CFLAGS -fwrapv"
560
561                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
562                 if test x"$disable_visibility_hidden" = xno; then
563                    # Don't export any symbols by default
564                    SHARED_CFLAGS="-fvisibility=hidden"
565                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
566                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
567                 fi
568
569                 ORIG_CFLAGS=$CFLAGS
570                 # Check for the normal version, since gcc ignores unknown -Wno options
571                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
572                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
573                 AC_TRY_COMPILE([],[
574                                 return 0;
575                 ], [
576                    AC_MSG_RESULT(yes)
577                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
578                 ], [
579                    AC_MSG_RESULT(no)
580                    CFLAGS=$ORIG_CFLAGS
581                 ])
582
583                 if test "x$mono_cv_clang" = "xyes"; then
584                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
585                    WARN="$WARN -Qunused-arguments"
586                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
587                    # We rely on zero length arrays in structs
588                    WARN="$WARN -Wno-zero-length-array"
589                 fi
590 else
591         # The Sun Forte compiler complains about inline functions that access static variables
592         # so disable all inlining.
593         case "$host" in
594         *-*-solaris*)
595                 CFLAGS="$CFLAGS -Dinline="
596                 ;;
597         esac
598 fi
599 CFLAGS="$CFLAGS -g $WARN"
600 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
601 CPPFLAGS="$CPPFLAGS -g $WARN"
602
603 # Where's the 'mcs' source tree?
604 if test -d $srcdir/mcs; then
605   mcsdir=mcs
606 else
607   mcsdir=../mcs
608 fi
609
610 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
611         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
612                 mcsdir=$with_mcs_path
613         fi
614 )
615
616 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
617
618 #
619 # A sanity check to catch cases where the package was unpacked
620 # with an ancient tar program (Solaris)
621 #
622 AC_ARG_ENABLE(solaris-tar-check,
623 [  --disable-solaris-tar-check    disable solaris tar check],
624    do_solaris_tar_check=no, do_solaris_tar_check=yes)
625
626 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
627         AC_MSG_CHECKING(integrity of package)
628         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
629         then
630                 AC_MSG_RESULT(ok)
631         else
632                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
633                 AC_MSG_ERROR([$errorm])
634         fi
635 fi
636
637 if test "x$with_mcs_path" != "x"; then
638 mcs_topdir=$(cd "$mcsdir" && pwd)
639 mcs_topdir_from_srcdir=$mcs_topdir
640 else
641 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
642 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
643 fi
644
645 # Convert mcs_topdir* paths to Windows syntax.
646 if test x$cross_compiling$host_win32 = xnoyes; then
647   mcs_topdir=$(cygpath -m $mcs_topdir)
648   case $mcs_topdir_from_srcdir in
649     /cygdrive/*)
650         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
651         ;;
652   esac
653 fi
654
655 AC_SUBST([mcs_topdir])
656 AC_SUBST([mcs_topdir_from_srcdir])
657
658 # gettext: prepare the translation directories. 
659 # we do not configure the full gettext, as we consume it dynamically from C#
660 AM_PO_SUBDIRS
661
662 if test "x$USE_NLS" = "xyes"; then
663    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
664
665    if test "x$HAVE_MSGFMT" = "xno"; then
666           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
667    fi
668 fi
669
670 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
671
672 pkg_config_path=
673 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
674         if test x$with_crosspkgdir = "x"; then
675                 if test -s $PKG_CONFIG_PATH; then
676                         pkg_config_path=$PKG_CONFIG_PATH
677                 fi
678         else
679                 pkg_config_path=$with_crosspkgdir
680                 PKG_CONFIG_PATH=$pkg_config_path
681                 export PKG_CONFIG_PATH
682         fi
683 )
684
685 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
686 if test x$werror_flag = xyes; then
687         WERROR_CFLAGS="-Werror"
688 fi
689 AC_SUBST([WERROR_CFLAGS])
690 AC_SUBST([SHARED_CFLAGS])
691
692 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
693 AC_CONFIG_SUBDIRS(eglib)
694
695 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
696 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
697   
698 AC_SUBST(GLIB_CFLAGS)
699 AC_SUBST(GLIB_LIBS)
700
701 # Enable support for fast thread-local storage
702 # Some systems have broken support, so we allow to disable it.
703 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
704
705 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
706 # This does not work on some platforms (bug #55253)
707 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
708
709 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
710 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
711 # Same as --with-shared_mono=no
712 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
713
714 if test "x$enable_static" = "xno"; then
715    with_static_mono=no
716 fi
717
718 if test "x$enable_shared" = "xno"; then
719    with_shared_mono=no
720 fi
721
722 if test "x$enable_libraries" = "xno"; then
723    with_shared_mono=no
724 fi
725
726 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
727
728 case $host in
729 *nacl* ) with_shared_mono=yes;;
730 esac
731
732 if test "x$host_win32" = "xyes"; then
733    # Boehm GC requires the runtime to be in its own dll
734    with_static_mono=no
735 fi
736
737 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
738 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
739 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
740
741 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
742 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
743         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
744         ORIG_CFLAGS=$CFLAGS
745         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
746         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
747         AC_TRY_COMPILE([], [
748                 return 0;
749         ], [
750            AC_MSG_RESULT(yes)
751            # Pass it to libgc as well
752            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
753         ], [
754            AC_MSG_RESULT(no)
755            CFLAGS=$ORIG_CFLAGS
756         ])
757 fi
758
759 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
760
761 if test x$enable_small_config = xyes; then
762         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
763         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
764 fi
765
766 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=$enableval, enable_system_aot=default)
767
768 DISABLED_FEATURES=none
769 csc_compiler=default
770 endian=unknown
771 AC_C_BIGENDIAN([endian=big],[endian=little],[endian=unknown])
772 AC_MSG_CHECKING([CSharp compiler to use])
773 AC_ARG_WITH(csc, [  --with-csc=mcs,roslyn,default      Configures the CSharp compiler to use],[
774    if test x$withval = xmcs; then
775        csc_compiler=mcs
776    elif test x$withval = xroslyn; then
777        csc_compiler=roslyn
778    elif test x$withval = xdefault; then
779        :
780    else
781        AC_MSG_ERROR([You must supply one of "mcs", "roslyn" or "default" to the --with-csc option])
782    fi
783 ],[csc_compiler=default])
784
785 if test $csc_compiler = default; then
786    if test $endian = big; then
787       csc_compiler=mcs
788    elif test $endian = little; then
789       csc_compiler=roslyn
790    else
791       csc_compiler=mcs
792    fi
793 fi
794 AC_MSG_RESULT($csc_compiler)
795
796 #
797 # Set the build profiles and options before things which use them
798 #
799
800 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])
801 AC_ARG_WITH(monodroid,           [  --with-monodroid=yes,no             If you want to build the MonoDroid assemblies (defaults to no)],            [], [with_monodroid=default])
802 AC_ARG_WITH(monotouch,           [  --with-monotouch=yes,no             If you want to build the Xamarin.iOS assemblies (defaults to no)],          [], [with_monotouch=default])
803 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])
804 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])
805 AC_ARG_WITH(bitcode,             [  --with-bitcode=yes,no               If bitcode is enabled (defaults to no)],                                    [], [with_bitcode=default])
806 AC_ARG_WITH(xammac,              [  --with-xammac=yes,no                If you want to build the Xamarin.Mac assemblies (defaults to no)],          [], [with_xammac=default])
807 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])
808 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])
809 AC_ARG_WITH(winaot,              [  --with-winaot=yes,no                If you want to build the Windows friendly AOT assemblies (defaults to no)], [], [with_winaot=default])
810 AC_ARG_WITH(orbis,              [  --with-orbis=yes,no                  If you want to build the Orbis assemblies (defaults to no)], [], [with_orbis=default])
811
812
813 AC_ARG_WITH(runtime_preset, [  --with-runtime_preset=net_4_x,all,aot,hybridaot,fullaot,bitcode   Which default profile to build (defaults to net_4_x)],  [], [with_runtime_preset=net_4_x])
814
815 dnl
816 dnl Profile defaults
817 dnl
818 TEST_PROFILE=default
819 enable_llvm_default=no
820
821 with_profile4_x_default=no
822 with_monodroid_default=no
823 with_monotouch_default=no
824 with_monotouch_watch_default=no
825 with_monotouch_tv_default=no
826 with_xammac_default=no
827 with_testing_aot_hybrid_default=no
828 with_testing_aot_full_default=no
829 with_winaot_default=no
830 with_orbis_default=no
831
832 with_bitcode_default=no
833 with_cooperative_gc_default=no
834
835 INVARIANT_AOT_OPTIONS=nimt-trampolines=2000,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4000
836
837 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
838    DISABLE_MCS_DOCS_default=yes
839 elif test x$with_runtime_preset = xnet_4_x; then
840    with_profile4_x_default=yes
841 elif test x$with_runtime_preset = xall; then
842    with_profile4_x_default=yes
843    with_monodroid_default=yes
844    with_monotouch_default=yes
845    with_monotouch_watch_default=yes
846    with_monotouch_tv_default=yes
847    with_xammac_default=yes
848    with_winaot_default=yes
849    with_orbis_default=yes
850 elif test x$with_runtime_preset = xfullaot; then
851    DISABLE_MCS_DOCS_default=yes
852    with_testing_aot_full_default=yes
853    TEST_PROFILE=testing_aot_full
854
855    mono_feature_disable_com='yes'
856    mono_feature_disable_remoting='yes'
857    mono_feature_disable_reflection_emit_save='yes'
858    mono_feature_disable_reflection_emit='yes'
859    mono_feature_disable_appdomains='yes'
860
861    AOT_BUILD_FLAGS="-O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
862
863    AOT_RUN_FLAGS="--full-aot"
864 elif test x$with_runtime_preset = xbitcode; then
865    DISABLE_MCS_DOCS_default=yes
866    with_testing_aot_full_default=yes
867    with_bitcode_default=yes
868    with_cooperative_gc_default=yes
869    TEST_PROFILE=testing_aot_full
870    enable_llvm_default=yes
871
872    mono_feature_disable_com='yes'
873    mono_feature_disable_remoting='yes'
874    mono_feature_disable_reflection_emit_save='yes'
875    mono_feature_disable_reflection_emit='yes'
876    mono_feature_disable_appdomains='yes'
877
878    AOT_BUILD_FLAGS="--aot=llvmonly,$INVARIANT_AOT_OPTIONS"
879    AOT_RUN_FLAGS="--llvmonly"
880 elif test x$with_runtime_preset = xhybridaot; then
881    DISABLE_MCS_DOCS_default=yes
882    with_testing_aot_hybrid_default=yes
883    TEST_PROFILE=testing_aot_hybrid 
884
885    mono_feature_disable_com='yes'
886    mono_feature_disable_remoting='yes'
887    mono_feature_disable_appdomains='yes'
888
889    AOT_BUILD_FLAGS="--aot=hybrid,$INVARIANT_AOT_OPTIONS"
890    AOT_RUN_FLAGS="--hybrid-aot"
891 elif test x$with_runtime_preset = xaot; then
892    with_profile4_x_default=yes
893
894    AOT_BUILD_FLAGS="--aot=$INVARIANT_AOT_OPTIONS"
895    AOT_RUN_FLAGS=""
896
897    DISABLE_MCS_DOCS_default=yes
898 elif test x$with_runtime_preset = xwinaot; then
899    DISABLE_MCS_DOCS_default=yes
900    with_winaot_default=yes
901    TEST_PROFILE=winaot
902
903    mono_feature_disable_com='yes'
904    mono_feature_disable_remoting='yes'
905    mono_feature_disable_reflection_emit_save='yes'
906    mono_feature_disable_reflection_emit='yes'
907    mono_feature_disable_appdomains='yes'
908
909    AOT_BUILD_FLAGS="--aot=full,$INVARIANT_AOT_OPTIONS"
910    AOT_RUN_FLAGS="--full-aot"
911 elif test x$with_runtime_preset = xorbis; then
912    DISABLE_MCS_DOCS_default=yes
913    with_orbis_default=yes
914    TEST_PROFILE=orbis
915
916    mono_feature_disable_com='yes'
917    mono_feature_disable_remoting='yes'
918    mono_feature_disable_reflection_emit_save='yes'
919    mono_feature_disable_reflection_emit='yes'
920    mono_feature_disable_appdomains='yes'
921
922    AOT_BUILD_FLAGS="--aot=full,$INVARIANT_AOT_OPTIONS"
923    AOT_RUN_FLAGS="--full-aot"
924 else
925    with_profile4_x_default=yes
926 fi
927
928 if test "x$AOT_BUILD_FLAGS" != "x"; then :
929    AC_SUBST(AOT_BUILD_FLAGS)
930    AC_SUBST(AOT_RUN_FLAGS)
931    # For llvmonlycheck + fullaotcheck
932    AC_SUBST(INVARIANT_AOT_OPTIONS)
933 fi
934
935 AC_SUBST(TEST_PROFILE)
936
937 if test "x$with_profile4_x" = "xdefault"; then
938    with_profile4_x=$with_profile4_x_default
939 fi
940 if test "x$with_monodroid" = "xdefault"; then
941    with_monodroid=$with_monodroid_default
942 fi
943 if test "x$with_monotouch" = "xdefault"; then
944    with_monotouch=$with_monotouch_default
945 fi
946 if test "x$with_monotouch_watch" = "xdefault"; then
947    with_monotouch_watch=$with_monotouch_watch_default
948 fi
949 if test "x$with_monotouch_tv" = "xdefault"; then
950    with_monotouch_tv=$with_monotouch_tv_default
951 fi
952 if test "x$with_bitcode" = "xdefault"; then
953    with_bitcode=$with_bitcode_default
954 fi
955 if test "x$with_xammac" = "xdefault"; then
956    with_xammac=$with_xammac_default
957 fi
958 if test "x$with_testing_aot_hybrid" = "xdefault"; then
959    with_testing_aot_hybrid=$with_testing_aot_hybrid_default
960 fi
961 if test "x$with_testing_aot_full" = "xdefault"; then
962    with_testing_aot_full=$with_testing_aot_full_default
963 fi
964 if test "x$with_winaot" = "xdefault"; then
965    with_winaot=$with_winaot_default
966 fi
967 if test "x$with_orbis" = "xdefault"; then
968    with_orbis=$with_orbis_default
969 fi
970
971
972 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
973 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
974 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
975 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
976 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
977 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
978 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
979 AM_CONDITIONAL(INSTALL_TESTING_AOT_HYBRID, [test "x$with_testing_aot_hybrid" != "xno"])
980 AM_CONDITIONAL(INSTALL_TESTING_AOT_FULL, [test "x$with_testing_aot_full" != "xno"])
981 AM_CONDITIONAL(INSTALL_WINAOT, [test "x$with_winaot" != "xno"])
982 AM_CONDITIONAL(INSTALL_ORBIS, [test "x$with_orbis" != "xno"])
983 AM_CONDITIONAL(FULL_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_full"] || [test "x$TEST_PROFILE" = "xwinaot"] || [test "x$TEST_PROFILE" = "xorbis"])
984 AM_CONDITIONAL(HYBRID_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_hybrid"])
985
986 default_profile=net_4_x
987 if test -z "$INSTALL_MONODROID_TRUE"; then :
988    default_profile=monodroid
989 fi
990 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
991    default_profile=monotouch
992 fi
993 if test -z "$INSTALL_XAMMAC_TRUE"; then :
994    default_profile=xammac
995 fi
996 if test -z "$INSTALL_TESTING_AOT_HYBRID_TRUE"; then :
997    default_profile=testing_aot_hybrid
998 fi
999 if test -z "$INSTALL_TESTING_AOT_FULL_TRUE"; then :
1000    default_profile=testing_aot_full
1001 fi
1002 if test -z "$INSTALL_WINAOT_TRUE"; then :
1003    default_profile=winaot
1004 fi
1005 if test -z "$INSTALL_ORBIS_TRUE"; then :
1006    default_profile=orbis
1007 fi
1008 if test -z "$INSTALL_4_x_TRUE"; then :
1009    default_profile=net_4_x
1010 fi
1011 DEFAULT_PROFILE=$default_profile
1012 AC_SUBST(DEFAULT_PROFILE)
1013
1014 #
1015 # End build profile configuration
1016 #
1017
1018 if test x$USE_NLS = xprofile_default; then
1019
1020 if test x$host_darwin = xyes; then
1021 # We make the default value for USE_NLS
1022 # "no" on OSX because it isn't available on most
1023 # default OSX installs. The most common configurations will
1024 # all disable it, so this saves us typing.
1025   USE_NLS=no
1026   AC_SUBST([USE_NLS])
1027   AC_MSG_RESULT([$USE_NLS])
1028 else
1029   USE_NLS=yes
1030   AC_SUBST([USE_NLS])
1031   AC_MSG_RESULT([$USE_NLS])
1032 fi
1033
1034 fi
1035
1036 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
1037      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
1038      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
1039          security, lldb, mdb, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
1040 [
1041         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
1042                 eval "mono_feature_disable_$feature='yes'"
1043         done
1044         DISABLED_FEATURES=$enable_minimal
1045         disabled="Disabled:      $enable_minimal"
1046 ],[])
1047
1048 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
1049
1050 if test "x$mono_feature_disable_aot" = "xyes"; then
1051         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
1052         enable_system_aot=no
1053         AC_MSG_NOTICE([Disabled AOT compiler])
1054 fi
1055
1056 if test "x$mono_feature_disable_profiler" = "xyes"; then
1057         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
1058         AC_MSG_NOTICE([Disabled support for the profiler])
1059 fi
1060 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
1061
1062 if test "x$mono_feature_disable_decimal" = "xyes"; then
1063         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
1064         AC_MSG_NOTICE([Disabled support for decimal])
1065 fi
1066
1067 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
1068         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
1069         AC_MSG_NOTICE([Disabled support for P/Invoke])
1070 fi
1071
1072 if test "x$mono_feature_disable_debug" = "xyes"; then
1073         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
1074         AC_MSG_NOTICE([Disabled support for runtime debugging])
1075 fi
1076
1077 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
1078         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
1079         mono_feature_disable_reflection_emit_save=yes
1080         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
1081 fi
1082
1083 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
1084         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
1085         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
1086 fi
1087
1088 if test "x$mono_feature_disable_large_code" = "xyes"; then
1089         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1090         AC_MSG_NOTICE([Disabled support for large assemblies])
1091 fi
1092
1093 if test "x$mono_feature_disable_logging" = "xyes"; then
1094         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1095         AC_MSG_NOTICE([Disabled support for logging])
1096 fi
1097
1098 if test "x$mono_feature_disable_com" = "xyes"; then
1099         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1100         AC_MSG_NOTICE([Disabled COM support])
1101 fi
1102
1103 if test "x$mono_feature_disable_ssa" = "xyes"; then
1104         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1105         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1106 fi
1107
1108 if test "x$mono_feature_disable_generics" = "xyes"; then
1109         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1110         AC_MSG_NOTICE([Disabled Generics Support])
1111 fi
1112
1113 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1114         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1115         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1116 fi
1117
1118 if test "x$mono_feature_disable_portability" = "xyes"; then
1119         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1120         AC_MSG_NOTICE([Disabled IO Portability layer])
1121 fi
1122
1123 if test "x$mono_feature_disable_attach" = "xyes"; then
1124         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1125         AC_MSG_NOTICE([Disabled agent attach])
1126 fi
1127
1128 if test "x$mono_feature_disable_verifier" = "xyes"; then
1129         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1130         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1131 fi
1132
1133 if test "x$mono_feature_disable_jit" = "xyes"; then
1134         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1135         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1136 fi
1137
1138 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1139
1140 if test "x$mono_feature_disable_simd" = "xyes"; then
1141         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1142         AC_MSG_NOTICE([Disabled SIMD support])
1143 fi
1144
1145 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1146         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1147         AC_MSG_NOTICE([Disabled Soft Debugger.])
1148 fi
1149
1150 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1151         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1152         AC_MSG_NOTICE([Disabled Performance Counters.])
1153 fi
1154 if test "x$mono_feature_disable_normalization" = "xyes"; then
1155         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1156         AC_MSG_NOTICE([Disabled String normalization support.])
1157 fi
1158
1159 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
1160         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
1161         AC_MSG_NOTICE([Disabled Assembly remapping.])
1162 fi
1163
1164 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1165         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1166         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1167 fi
1168
1169 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1170         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1171         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1172 fi
1173
1174 if test "x$mono_feature_disable_remoting" = "xyes"; then
1175         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1176         AC_MSG_NOTICE([Disabled remoting])
1177 fi
1178
1179 if test "x$mono_feature_disable_security" = "xyes"; then
1180         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1181         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1182 fi
1183
1184 if test "x$mono_feature_disable_lldb" = "xyes"; then
1185         AC_DEFINE(DISABLE_LLDB, 1, [Disable support code for the LLDB plugin.])
1186         AC_MSG_NOTICE([Disabled LLDB plugin support code.])
1187 fi
1188
1189 if test "x$mono_feature_disable_mdb" = "xyes"; then
1190         AC_DEFINE(DISABLE_MDB, 1, [Disable support for .mdb symbol files.])
1191         AC_MSG_NOTICE([Disabled support for .mdb symbol files.])
1192 fi
1193
1194 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1195         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1196         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1197 fi
1198
1199 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1200         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1201         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1202 fi
1203
1204 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1205         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1206         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1207 fi
1208
1209 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1210         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1211         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1212 fi
1213
1214 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1215         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1216         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1217 fi
1218
1219 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1220 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1221
1222 has_extension_module=no
1223 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1224 [
1225         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1226                 if test x$extension = xdefault ; then
1227                         has_extension_module=yes;
1228                 fi
1229         done
1230         if test x$enable_extension_module = xyes; then
1231                 has_extension_module=yes;
1232         fi
1233 ], [])
1234
1235 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1236
1237 if test x$has_extension_module != xno ; then
1238         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1239         AC_MSG_NOTICE([Enabling mono extension module.])
1240 fi
1241
1242 # Deprecated
1243 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1244
1245 AC_MSG_CHECKING(for visibility __attribute__)
1246 AC_COMPILE_IFELSE([
1247         AC_LANG_SOURCE([[
1248                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1249                 int main () { doit (); return 0; }
1250         ]])
1251 ], [
1252    have_visibility_hidden=yes
1253    AC_MSG_RESULT(yes)
1254 ], [
1255    have_visibility_hidden=no
1256    AC_MSG_RESULT(no)
1257 ])
1258
1259 dnl
1260 dnl Boehm GC configuration
1261 dnl
1262
1263 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
1264
1265 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1266 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1267
1268 if test "x$support_boehm" = "xyes"; then
1269
1270         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1271         if test x$enable_parallel_mark = xyes; then
1272                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1273         fi
1274
1275         gc_msg=""
1276         LIBGC_CPPFLAGS=
1277         LIBGC_LIBS=
1278         LIBGC_STATIC_LIBS=
1279         libgc_dir=
1280         case "x$libgc" in
1281                 xincluded)
1282                         if test "x$support_boehm" = "xyes"; then
1283                                 libgc_dir=libgc
1284                         fi
1285
1286                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1287                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1288                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1289
1290                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1291
1292                         if test x$target_win32 = xyes; then
1293                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1294                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1295                         fi
1296
1297                         gc_msg="Included Boehm GC with typed GC"
1298                         if test x$enable_parallel_mark = xyes; then
1299                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1300                                 gc_msg="$gc_msg and parallel mark"
1301                         else
1302                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1303                         fi
1304                         ;;
1305
1306                 xboehm|xbohem|xyes)
1307                         AC_MSG_WARN("External Boehm is no longer supported")
1308                         ;;
1309
1310                 xsgen)
1311                         AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1312                         ;;
1313
1314                 xnone)
1315                         AC_MSG_WARN("Compiling mono without GC.")
1316                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1317                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1318                         gc_msg="none"
1319                         ;;
1320                 *)
1321                         AC_MSG_ERROR([Invalid argument to --with-gc.])
1322                         ;;
1323         esac
1324
1325         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1326         if test "x$large_heap" = "xyes"; then
1327            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1328         fi
1329
1330         AC_SUBST(LIBGC_CPPFLAGS)
1331         AC_SUBST(LIBGC_LIBS)
1332         AC_SUBST(LIBGC_STATIC_LIBS)
1333         AC_SUBST(libgc_dir)
1334         AC_SUBST(BOEHM_DEFINES)
1335
1336 fi
1337
1338 dnl
1339 dnl End of Boehm GC Configuration
1340 dnl
1341
1342 dnl *************************************
1343 dnl *** Checks for zero length arrays ***
1344 dnl *************************************
1345 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1346 AC_TRY_COMPILE([
1347         struct s {
1348                 int  length;
1349                 char data [0];
1350         };
1351 ], [], [
1352         AC_MSG_RESULT(yes)
1353         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1354 ], [
1355         AC_MSG_RESULT(no)
1356         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1357 ])
1358
1359 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1360
1361 dnl ***********************************
1362 dnl *** Checks for signals
1363 dnl ***********************************
1364 AC_CHECK_HEADERS(signal.h)
1365 AC_CHECK_FUNCS(sigaction)
1366 AC_CHECK_FUNCS(kill)
1367 AC_CHECK_FUNCS(signal)
1368
1369 # signal() is declared inline in Android headers
1370 # so we need to workaround it by overriding the check.
1371 if test x$platform_android = xyes; then
1372         AC_DEFINE(HAVE_SIGNAL,1)
1373 fi
1374
1375 if test x$host_win32 = xno; then
1376
1377         dnl hires monotonic clock support
1378         AC_SEARCH_LIBS(clock_gettime, rt)
1379         AC_CHECK_FUNCS(clock_nanosleep)
1380
1381         dnl dynamic loader support
1382         AC_CHECK_FUNC(dlopen, DL_LIB="",
1383                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1384         )
1385         if test x$dl_support = xno; then
1386                 AC_MSG_WARN([No dynamic loading support available])
1387         else
1388                 LIBS="$LIBS $DL_LIB"
1389                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1390                 dnl from glib's configure.ac
1391                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1392                         mono_cv_uscore,[
1393                         AC_TRY_RUN([#include <dlfcn.h>
1394                         int mono_underscore_test (void) { return 42; }
1395                         int main() {
1396                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1397                           handle = dlopen ((void*)0, 0);
1398                           if (handle) {
1399                             f1 = dlsym (handle, "mono_underscore_test");
1400                             f2 = dlsym (handle, "_mono_underscore_test");
1401                           } return (!f2 || f1);
1402                         }],
1403                                 [mono_cv_uscore=yes],
1404                                 [mono_cv_uscore=no],
1405                         [])
1406                 ])
1407                 if test "x$mono_cv_uscore" = "xyes"; then
1408                         MONO_DL_NEED_USCORE=1
1409                 else
1410                         MONO_DL_NEED_USCORE=0
1411                 fi
1412                 AC_SUBST(MONO_DL_NEED_USCORE)
1413                 AC_CHECK_FUNC(dlerror)
1414         fi
1415
1416         dnl ******************************************************************
1417         dnl *** Checks for the IKVM JNI interface library                  ***
1418         dnl ******************************************************************
1419         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])
1420
1421         ikvm_native_dir=
1422         if test x$with_ikvm_native = xyes; then
1423                 ikvm_native_dir=ikvm-native
1424                 jdk_headers_found="IKVM Native"
1425         fi
1426
1427         AC_SUBST(ikvm_native_dir)
1428
1429         AC_CHECK_HEADERS(execinfo.h)
1430
1431         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1432
1433         AC_CHECK_FUNCS(getgrgid_r)
1434         AC_CHECK_FUNCS(getgrnam_r)
1435         AC_CHECK_FUNCS(getpwnam_r)
1436         AC_CHECK_FUNCS(getpwuid_r)
1437         AC_CHECK_FUNCS(getresuid)
1438         AC_CHECK_FUNCS(setresuid)
1439         AC_CHECK_FUNCS(kqueue)
1440         AC_CHECK_FUNCS(backtrace_symbols)
1441         AC_CHECK_FUNCS(mkstemp)
1442         AC_CHECK_FUNCS(mmap)
1443         AC_CHECK_FUNCS(madvise)
1444         AC_CHECK_FUNCS(getrusage)
1445         AC_CHECK_FUNCS(getpriority)
1446         AC_CHECK_FUNCS(setpriority)
1447         AC_CHECK_FUNCS(dl_iterate_phdr)
1448         AC_CHECK_FUNCS(dladdr)
1449         AC_CHECK_FUNCS(sysconf)
1450         AC_CHECK_FUNCS(getrlimit)
1451         AC_CHECK_FUNCS(prctl)
1452
1453         AC_CHECK_FUNCS(sched_getaffinity)
1454         AC_CHECK_FUNCS(sched_setaffinity)
1455         AC_CHECK_FUNCS(sched_getcpu)
1456
1457         dnl ****************************************************************
1458         dnl *** Check for sched_setaffinity from glibc versions before   ***
1459         dnl *** 2.3.4. The older versions of the function only take 2    ***
1460         dnl *** parameters, not 3.                                       ***
1461         dnl ***                                                          ***
1462         dnl *** Because the interface change was not made in a minor     ***
1463         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1464         dnl *** won't always indicate the interface sched_affinity has.  ***
1465         dnl ****************************************************************
1466         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1467         AC_TRY_COMPILE([#include <sched.h>], [
1468             int mask = 1; 
1469             sched_setaffinity(0, &mask);
1470                         return 0;
1471         ], [
1472                 # Yes, we have it...
1473                 AC_MSG_RESULT(yes)
1474                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1475         ], [
1476                 # We have the new, three-parameter version
1477                 AC_MSG_RESULT(no)
1478         ])
1479         AC_TRY_COMPILE([#include <sched.h>], [
1480              CPU_COUNT((void *) 0);
1481         ], [
1482                 AC_MSG_RESULT(yes)
1483                 AC_DEFINE(GLIBC_HAS_CPU_COUNT, 1, [GLIBC has CPU_COUNT macro in sched.h])
1484         ], [
1485                 # We have the new, three-parameter version
1486                 AC_MSG_RESULT(no)
1487         ])
1488
1489         dnl ******************************************************************
1490         dnl *** Check for large file support                               ***
1491         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1492         dnl ******************************************************************
1493         
1494         # Check that off_t can represent 2**63 - 1 correctly, working around
1495         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1496         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1497         large_offt=no
1498         AC_DEFUN([LARGE_FILES], [
1499                 large_CPPFLAGS=$CPPFLAGS
1500                 CPPFLAGS="$CPPFLAGS $1"
1501                 AC_TRY_COMPILE([
1502                         #include <sys/types.h>
1503                         #include <limits.h>
1504                 ], [
1505                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1506                         #define COMPILE_TIME_ASSERT(pred) \
1507                                 switch(0){case 0:case pred:;}
1508                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1509                 ], [
1510                         AC_MSG_RESULT(ok)
1511                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1512                         large_CPPFLAGS="$large_CPPFLAGS $1"
1513                         large_offt=yes
1514                 ], [
1515                         AC_MSG_RESULT(no)
1516                 ])
1517                 CPPFLAGS=$large_CPPFLAGS
1518         ])
1519
1520         AC_MSG_CHECKING(if off_t is 64 bits wide)
1521         LARGE_FILES("")
1522         if test $large_offt = no; then
1523                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1524                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1525         fi
1526         if test $large_offt = no; then
1527                 AC_MSG_WARN([No 64 bit file size support available])
1528         fi
1529         
1530         dnl *****************************
1531         dnl *** Checks for libsocket  ***
1532         dnl *****************************
1533         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1534
1535         case "$host" in
1536                 *-*-*freebsd*)
1537                         dnl *****************************
1538                         dnl *** Checks for libinotify ***
1539                         dnl *****************************
1540                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1541         esac
1542
1543         dnl *******************************
1544         dnl *** Checks for MSG_NOSIGNAL ***
1545         dnl *******************************
1546         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1547         AC_TRY_COMPILE([#include <sys/socket.h>], [
1548                 int f = MSG_NOSIGNAL;
1549         ], [
1550                 # Yes, we have it...
1551                 AC_MSG_RESULT(yes)
1552                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1553         ], [
1554                 # We'll have to use signals
1555                 AC_MSG_RESULT(no)
1556         ])
1557
1558         dnl *****************************
1559         dnl *** Checks for IPPROTO_IP ***
1560         dnl *****************************
1561         AC_MSG_CHECKING(for IPPROTO_IP)
1562         AC_TRY_COMPILE([#include <netinet/in.h>], [
1563                 int level = IPPROTO_IP;
1564         ], [
1565                 # Yes, we have it...
1566                 AC_MSG_RESULT(yes)
1567                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1568         ], [
1569                 # We'll have to use getprotobyname
1570                 AC_MSG_RESULT(no)
1571         ])
1572
1573         dnl *******************************
1574         dnl *** Checks for IPPROTO_IPV6 ***
1575         dnl *******************************
1576         AC_MSG_CHECKING(for IPPROTO_IPV6)
1577         AC_TRY_COMPILE([#include <netinet/in.h>], [
1578                 int level = IPPROTO_IPV6;
1579         ], [
1580                 # Yes, we have it...
1581                 AC_MSG_RESULT(yes)
1582                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1583         ], [
1584                 # We'll have to use getprotobyname
1585                 AC_MSG_RESULT(no)
1586         ])
1587
1588         dnl ******************************
1589         dnl *** Checks for IPPROTO_TCP ***
1590         dnl ******************************
1591         AC_MSG_CHECKING(for IPPROTO_TCP)
1592         AC_TRY_COMPILE([#include <netinet/in.h>], [
1593                 int level = IPPROTO_TCP;
1594         ], [
1595                 # Yes, we have it...
1596                 AC_MSG_RESULT(yes)
1597                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1598         ], [
1599                 # We'll have to use getprotobyname
1600                 AC_MSG_RESULT(no)
1601         ])
1602
1603         dnl *****************************
1604         dnl *** Checks for SOL_IP     ***
1605         dnl *****************************
1606         AC_MSG_CHECKING(for SOL_IP)
1607         AC_TRY_COMPILE([#include <netdb.h>], [
1608                 int level = SOL_IP;
1609         ], [
1610                 # Yes, we have it...
1611                 AC_MSG_RESULT(yes)
1612                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1613         ], [
1614                 # We'll have to use getprotobyname
1615                 AC_MSG_RESULT(no)
1616         ])
1617
1618         dnl *****************************
1619         dnl *** Checks for SOL_IPV6     ***
1620         dnl *****************************
1621         AC_MSG_CHECKING(for SOL_IPV6)
1622         AC_TRY_COMPILE([#include <netdb.h>], [
1623                 int level = SOL_IPV6;
1624         ], [
1625                 # Yes, we have it...
1626                 AC_MSG_RESULT(yes)
1627                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1628         ], [
1629                 # We'll have to use getprotobyname
1630                 AC_MSG_RESULT(no)
1631         ])
1632
1633         dnl *****************************
1634         dnl *** Checks for SOL_TCP    ***
1635         dnl *****************************
1636         AC_MSG_CHECKING(for SOL_TCP)
1637         AC_TRY_COMPILE([#include <netdb.h>], [
1638                 int level = SOL_TCP;
1639         ], [
1640                 # Yes, we have it...
1641                 AC_MSG_RESULT(yes)
1642                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1643         ], [
1644                 # We'll have to use getprotobyname
1645                 AC_MSG_RESULT(no)
1646         ])
1647
1648         dnl *****************************
1649         dnl *** Checks for IP_PKTINFO ***
1650         dnl *****************************
1651         AC_MSG_CHECKING(for IP_PKTINFO)
1652         AC_TRY_COMPILE([#include <linux/in.h>], [
1653                 int level = IP_PKTINFO;
1654         ], [
1655                 # Yes, we have it...
1656                 AC_MSG_RESULT(yes)
1657                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1658         ], [
1659                 AC_MSG_RESULT(no)
1660         ])
1661
1662         dnl *****************************
1663         dnl *** Checks for IPV6_PKTINFO ***
1664         dnl *****************************
1665         AC_MSG_CHECKING(for IPV6_PKTINFO)
1666         AC_TRY_COMPILE([#include <netdb.h>], [
1667                 int level = IPV6_PKTINFO;
1668         ], [
1669                 # Yes, we have it...
1670                 AC_MSG_RESULT(yes)
1671                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1672         ], [
1673                 AC_MSG_RESULT(no)
1674         ])
1675
1676         dnl **********************************
1677         dnl *** Checks for IP_DONTFRAG     ***
1678         dnl **********************************
1679         AC_MSG_CHECKING(for IP_DONTFRAG)
1680         AC_TRY_COMPILE([#include <netinet/in.h>], [
1681                 int level = IP_DONTFRAG;
1682         ], [
1683                 # Yes, we have it...
1684                 AC_MSG_RESULT(yes)
1685                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1686         ], [
1687                 AC_MSG_RESULT(no)
1688         ])
1689
1690         dnl **********************************
1691         dnl *** Checks for IP_DONTFRAGMENT ***
1692         dnl **********************************
1693         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1694         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1695                 int level = IP_DONTFRAGMENT;
1696         ], [
1697                 # Yes, we have it...
1698                 AC_MSG_RESULT(yes)
1699                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1700         ], [
1701                 AC_MSG_RESULT(no)
1702         ])
1703
1704         dnl **********************************
1705         dnl *** Checks for IP_MTU_DISCOVER ***
1706         dnl **********************************
1707         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1708         AC_TRY_COMPILE([#include <linux/in.h>], [
1709                 int level = IP_MTU_DISCOVER;
1710         ], [
1711                 # Yes, we have it...
1712                 AC_MSG_RESULT(yes)
1713                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1714         ], [
1715                 AC_MSG_RESULT(no)
1716         ])
1717
1718         dnl **********************************
1719         dnl *** Checks for  IP_PMTUDISC_DO ***
1720         dnl **********************************
1721         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1722         AC_TRY_COMPILE([#include <linux/in.h>], [
1723                 int level = IP_PMTUDISC_DO;
1724         ], [
1725                 # Yes, we have it...
1726                 AC_MSG_RESULT(yes)
1727                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1728         ], [
1729                 AC_MSG_RESULT(no)
1730         ])
1731
1732         dnl *********************************
1733         dnl *** Check for struct ip_mreqn ***
1734         dnl *********************************
1735         AC_MSG_CHECKING(for struct ip_mreqn)
1736         AC_TRY_COMPILE([#include <netinet/in.h>], [
1737                 struct ip_mreqn mreq;
1738                 mreq.imr_address.s_addr = 0;
1739         ], [
1740                 # Yes, we have it...
1741                 AC_MSG_RESULT(yes)
1742                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1743         ], [
1744                 # We'll just have to try and use struct ip_mreq
1745                 AC_MSG_RESULT(no)
1746                 AC_MSG_CHECKING(for struct ip_mreq)
1747                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1748                         struct ip_mreq mreq;
1749                         mreq.imr_interface.s_addr = 0;
1750                 ], [
1751                         # Yes, we have it...
1752                         AC_MSG_RESULT(yes)
1753                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1754                 ], [
1755                         # No multicast support
1756                         AC_MSG_RESULT(no)
1757                 ])
1758         ])
1759         
1760         dnl **********************************
1761         dnl *** Check for getaddrinfo ***
1762         dnl **********************************
1763         AC_MSG_CHECKING(for getaddrinfo)
1764                 AC_TRY_LINK([
1765                 #include <stdio.h>
1766                 #include <netdb.h>
1767         ], [
1768                 getaddrinfo(NULL,NULL,NULL,NULL);
1769         ], [
1770                 # Yes, we have it...
1771                 AC_MSG_RESULT(yes)
1772                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1773         ], [
1774                 AC_MSG_RESULT(no)
1775         ])
1776
1777         dnl **********************************
1778         dnl *** Check for gethostbyname2_r ***
1779         dnl **********************************
1780         AC_MSG_CHECKING(for gethostbyname2_r)
1781                 AC_TRY_LINK([
1782                 #include <stdio.h>
1783                 #include <netdb.h>
1784         ], [
1785
1786                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1787         ], [
1788                 # Yes, we have it...
1789                 AC_MSG_RESULT(yes)
1790                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1791         ], [
1792                 AC_MSG_RESULT(no)
1793         ])
1794
1795         dnl **********************************
1796         dnl *** Check for gethostbyname2 ***
1797         dnl **********************************
1798         AC_MSG_CHECKING(for gethostbyname2)
1799                 AC_TRY_LINK([
1800                 #include <stdio.h>
1801                 #include <netdb.h>
1802         ], [
1803                 gethostbyname2(NULL,0);
1804         ], [
1805                 # Yes, we have it...
1806                 AC_MSG_RESULT(yes)
1807                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1808         ], [
1809                 AC_MSG_RESULT(no)
1810         ])
1811
1812         dnl **********************************
1813         dnl *** Check for gethostbyname ***
1814         dnl **********************************
1815         AC_MSG_CHECKING(for gethostbyname)
1816                 AC_TRY_LINK([
1817                 #include <stdio.h>
1818                 #include <netdb.h>
1819         ], [
1820                 gethostbyname(NULL);
1821         ], [
1822                 # Yes, we have it...
1823                 AC_MSG_RESULT(yes)
1824                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1825         ], [
1826                 AC_MSG_RESULT(no)
1827         ])
1828
1829         dnl **********************************
1830         dnl *** Check for getprotobyname ***
1831         dnl **********************************
1832         AC_MSG_CHECKING(for getprotobyname)
1833                 AC_TRY_LINK([
1834                 #include <stdio.h>
1835                 #include <netdb.h>
1836         ], [
1837                 getprotobyname(NULL);
1838         ], [
1839                 # Yes, we have it...
1840                 AC_MSG_RESULT(yes)
1841                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1842         ], [
1843                 AC_MSG_RESULT(no)
1844         ])
1845
1846         dnl **********************************
1847         dnl *** Check for getnameinfo ***
1848         dnl **********************************
1849         AC_MSG_CHECKING(for getnameinfo)
1850                 AC_TRY_LINK([
1851                 #include <stdio.h>
1852                 #include <netdb.h>
1853         ], [
1854                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1855         ], [
1856                 # Yes, we have it...
1857                 AC_MSG_RESULT(yes)
1858                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1859         ], [
1860                 AC_MSG_RESULT(no)
1861         ])
1862
1863
1864         dnl **********************************
1865         dnl *** Check for inet_ntop ***
1866         dnl **********************************
1867         AC_MSG_CHECKING(for inet_ntop)
1868                 AC_TRY_LINK([
1869                 #include <stdio.h>
1870                 #include <arpa/inet.h>
1871         ], [
1872                 inet_ntop (0, NULL, NULL, 0);
1873         ], [
1874                 # Yes, we have it...
1875                 AC_MSG_RESULT(yes)
1876                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1877         ], [
1878                 AC_MSG_RESULT(no)
1879         ])
1880
1881         dnl *****************************
1882         dnl *** Checks for libnsl     ***
1883         dnl *****************************
1884         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1885
1886         AC_CHECK_FUNCS(inet_pton inet_aton)
1887
1888         dnl *****************************
1889         dnl *** Checks for libxnet    ***
1890         dnl *****************************
1891         case "${host}" in
1892                 *solaris* )
1893                         AC_MSG_CHECKING(for Solaris XPG4 support)
1894                         if test -f /usr/lib/libxnet.so; then
1895                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1896                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1897                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1898                                 LIBS="$LIBS -lxnet"
1899                                 AC_MSG_RESULT(yes)
1900                         else
1901                                 AC_MSG_RESULT(no)
1902                         fi
1903
1904                         if test "$GCC" = "yes"; then
1905                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1906                         fi
1907                 ;;
1908         esac
1909
1910         dnl *****************************
1911         dnl *** Checks for libpthread ***
1912         dnl *****************************
1913 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1914 # and libpthread does not exist
1915 #
1916         case "${host}" in
1917                 *-*-*freebsd*)
1918                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1919                 ;;
1920                 *-*-*openbsd*)
1921                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1922                 ;;
1923                 *)
1924                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1925                 ;;
1926         esac
1927         AC_CHECK_HEADERS(pthread.h)
1928         AC_CHECK_HEADERS(pthread_np.h)
1929         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1930         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1931         AC_CHECK_FUNCS(pthread_kill)
1932         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1933         AC_TRY_COMPILE([ #include <pthread.h>], [
1934                 pthread_mutexattr_t attr;
1935                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1936         ], [
1937                 AC_MSG_RESULT(ok)
1938         ], [
1939                 AC_MSG_RESULT(no)
1940                 AC_ERROR(Posix system lacks support for recursive mutexes)
1941         ])
1942         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1943         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1944         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1945
1946         dnl **********************************
1947         dnl *** Check for mincore ***
1948         dnl **********************************
1949         AC_MSG_CHECKING(for mincore)
1950                 AC_TRY_LINK([
1951                 #include <stdio.h>
1952                 #include <sys/types.h>
1953                 #include <sys/mman.h>
1954         ], [
1955                 mincore(NULL, 0, NULL);
1956         ], [
1957                 # Yes, we have it...
1958                 AC_MSG_RESULT(yes)
1959                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1960         ], [
1961                 AC_MSG_RESULT(no)
1962         ])
1963
1964         dnl ***********************************
1965         dnl *** Checks for working __thread ***
1966         dnl ***********************************
1967         AC_MSG_CHECKING(for working __thread)
1968         if test "x$with_tls" != "x__thread"; then
1969                 AC_MSG_RESULT(disabled)
1970         elif test "x$cross_compiling" = "xyes"; then
1971                 AC_MSG_RESULT(cross compiling, assuming yes)
1972         else
1973                 AC_TRY_RUN([
1974                         #if defined(__APPLE__) && defined(__clang__)
1975                         #error "__thread does not currently work with clang on Mac OS X"
1976                         #endif
1977                         
1978                         #include <pthread.h>
1979                         __thread int i;
1980                         static int res1, res2;
1981
1982                         void thread_main (void *arg)
1983                         {
1984                                 i = arg;
1985                                 sleep (1);
1986                                 if (arg == 1)
1987                                         res1 = (i == arg);
1988                                 else
1989                                         res2 = (i == arg);
1990                         }
1991
1992                         int main () {
1993                                 pthread_t t1, t2;
1994
1995                                 i = 5;
1996
1997                                 pthread_create (&t1, NULL, thread_main, 1);
1998                                 pthread_create (&t2, NULL, thread_main, 2);
1999
2000                                 pthread_join (t1, NULL);
2001                                 pthread_join (t2, NULL);
2002
2003                                 return !(res1 + res2 == 2);
2004                         }
2005                 ], [
2006                                 AC_MSG_RESULT(yes)
2007                 ], [
2008                                 AC_MSG_RESULT(no)
2009                                 with_tls=pthread
2010                 ])
2011         fi
2012
2013         dnl **************************************
2014         dnl *** Checks for working sigaltstack ***
2015         dnl **************************************
2016         AC_MSG_CHECKING(for working sigaltstack)
2017         if test "x$with_sigaltstack" != "xyes"; then
2018                 AC_MSG_RESULT(disabled)
2019         elif test "x$cross_compiling" = "xyes"; then
2020                 AC_MSG_RESULT(cross compiling, assuming yes)
2021         else
2022                 AC_TRY_RUN([
2023                         #include <stdio.h>
2024                         #include <stdlib.h>
2025                         #include <unistd.h>
2026                         #include <signal.h>
2027                         #include <pthread.h>
2028                         #include <sys/wait.h>
2029                         #if defined(__FreeBSD__) || defined(__NetBSD__)
2030                         #define SA_STACK SA_ONSTACK
2031                         #endif
2032                         static void
2033                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
2034                         {
2035                                 exit (0);
2036                         }
2037
2038                         volatile char*__ptr = NULL;
2039                         static void *
2040                         loop (void *ignored)
2041                         {
2042                                 *__ptr = 0;
2043                                 return NULL;
2044                         }
2045
2046                         static void
2047                         child ()
2048                         {
2049                                 struct sigaction sa;
2050                         #ifdef __APPLE__
2051                                 stack_t sas;
2052                         #else
2053                                 struct sigaltstack sas;
2054                         #endif
2055                                 pthread_t id;
2056                                 pthread_attr_t attr;
2057
2058                                 sa.sa_sigaction = sigsegv_signal_handler;
2059                                 sigemptyset (&sa.sa_mask);
2060                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
2061                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
2062                                         perror ("sigaction");
2063                                         return;
2064                                 }
2065
2066                                 /* x86 darwin deliver segfaults using SIGBUS */
2067                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
2068                                         perror ("sigaction");
2069                                         return;
2070                                 }
2071                                 sas.ss_sp = malloc (SIGSTKSZ);
2072                                 sas.ss_size = SIGSTKSZ;
2073                                 sas.ss_flags = 0;
2074                                 if (sigaltstack (&sas, NULL) == -1) {
2075                                         perror ("sigaltstack");
2076                                         return;
2077                                 }
2078
2079                                 pthread_attr_init (&attr);
2080                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2081                                         printf ("pthread_create\n");
2082                                         return;
2083                                 }
2084
2085                                 sleep (100);
2086                         }
2087
2088                         int
2089                         main ()
2090                         {
2091                                 pid_t son;
2092                                 int status;
2093                                 int i;
2094
2095                                 son = fork ();
2096                                 if (son == -1) {
2097                                         return 1;
2098                                 }
2099
2100                                 if (son == 0) {
2101                                         child ();
2102                                         return 0;
2103                                 }
2104
2105                                 for (i = 0; i < 300; ++i) {
2106                                         waitpid (son, &status, WNOHANG);
2107                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2108                                                 return 0;
2109                                         usleep (10000);
2110                                 }
2111
2112                                 kill (son, SIGKILL);
2113                                 return 1;
2114                         }
2115
2116                 ], [
2117                                 AC_MSG_RESULT(yes)
2118                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2119                 ], [
2120                                 with_sigaltstack=no
2121                                 AC_MSG_RESULT(no)
2122                 ])
2123         fi
2124
2125         dnl ********************************
2126         dnl *** Checks for semaphore lib ***
2127         dnl ********************************
2128         # 'Real Time' functions on Solaris
2129         # posix4 on Solaris 2.6
2130         # pthread (first!) on Linux
2131         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
2132
2133         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
2134         AC_CHECK_FUNCS(shm_open)
2135
2136         dnl ********************************
2137         dnl *** Checks for timezone stuff **
2138         dnl ********************************
2139         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2140                 AC_TRY_COMPILE([
2141                         #include <time.h>
2142                         ], [
2143                         struct tm tm;
2144                         tm.tm_gmtoff = 1;
2145                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2146         if test $ac_cv_struct_tm_gmtoff = yes; then
2147                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2148         else
2149                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2150                         AC_TRY_COMPILE([
2151                                 #include <time.h>
2152                         ], [
2153                                 timezone = 1;
2154                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2155                 if test $ac_cv_var_timezone = yes; then
2156                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2157                 else
2158                         AC_ERROR(unable to find a way to determine timezone)
2159                 fi
2160         fi
2161
2162         dnl *********************************
2163         dnl *** Checks for math functions ***
2164         dnl *********************************
2165         AC_SEARCH_LIBS(sqrtf, m)
2166         if test "x$has_broken_apple_cpp" != "xyes"; then
2167                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2168                         AC_TRY_LINK([#include <math.h>], 
2169                         [ finite(0.0); ], 
2170                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2171                         AC_MSG_RESULT(no)))
2172         fi
2173         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2174                 AC_TRY_LINK([#include <math.h>], 
2175                 [ isfinite(0.0); ], 
2176                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2177                 AC_MSG_RESULT(no)))
2178
2179         dnl ****************************************************************
2180         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2181         dnl *** have it in the library (duh))                            ***
2182         dnl ****************************************************************
2183         AC_CHECK_FUNCS(poll)
2184
2185         dnl *************************
2186         dnl *** Check for signbit ***
2187         dnl *************************
2188         AC_MSG_CHECKING(for signbit)
2189         AC_TRY_LINK([#include <math.h>], [
2190                 int s = signbit(1.0);
2191         ], [
2192                 AC_MSG_RESULT(yes)
2193                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2194         ], [
2195                 AC_MSG_RESULT(no)
2196         ]) 
2197
2198         dnl **********************************
2199         dnl *** epoll                      ***
2200         dnl **********************************
2201         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
2202                 AC_CHECK_HEADERS(sys/epoll.h)
2203                 haveepoll=no
2204                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2205                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2206                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2207                 fi
2208         fi
2209
2210         havekqueue=no
2211
2212         AC_CHECK_HEADERS(sys/event.h)
2213         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2214
2215         dnl **************************************
2216         dnl * Darwin has a race that prevents us from using reliably:
2217         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2218         dnl * Since kqueue is mostly used for scaling large web servers, 
2219         dnl * and very few folks run Mono on large web servers on OSX, falling
2220         dnl * back 
2221         dnl **************************************
2222         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2223                 if test "x$host_darwin" = "xno"; then
2224                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2225                 fi
2226         fi
2227
2228         dnl ******************************
2229         dnl *** Checks for SIOCGIFCONF ***
2230         dnl ******************************
2231         AC_CHECK_HEADERS(sys/ioctl.h)
2232         AC_CHECK_HEADERS(net/if.h, [], [],
2233            [
2234            #ifdef HAVE_SYS_TYPES_H
2235            # include <sys/types.h>
2236            #endif
2237            #ifdef HAVE_SYS_SOCKET_H
2238            # include <sys/socket.h>
2239            #endif
2240            ])
2241         AC_MSG_CHECKING(for ifreq)
2242         AC_TRY_COMPILE([
2243                 #include <stdio.h>
2244                 #include <sys/ioctl.h>
2245                 #include <net/if.h>
2246                 ], [
2247                 struct ifconf ifc;
2248                 struct ifreq *ifr;
2249                 void *x;
2250                 ifc.ifc_len = 0;
2251                 ifc.ifc_buf = NULL;
2252                 x = (void *) &ifr->ifr_addr;
2253                 ],[
2254                         AC_MSG_RESULT(yes)
2255                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2256                 ], [
2257                         AC_MSG_RESULT(no)
2258                 ])
2259         dnl **********************************
2260         dnl ***     Checks for sin_len     ***
2261         dnl **********************************
2262         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2263         AC_TRY_COMPILE([
2264                 #include <netinet/in.h>
2265                 ], [
2266                 struct sockaddr_in saddr;
2267                 saddr.sin_len = sizeof (saddr);
2268                 ],[
2269                         AC_MSG_RESULT(yes)
2270                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2271                 ], [
2272                         AC_MSG_RESULT(no)
2273                 ])      
2274         dnl **********************************
2275         dnl ***    Checks for sin6_len     ***
2276         dnl **********************************
2277         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2278         AC_TRY_COMPILE([
2279                 #include <netinet/in.h>
2280                 ], [
2281                 struct sockaddr_in6 saddr6;
2282                 saddr6.sin6_len = sizeof (saddr6);
2283                 ],[
2284                         AC_MSG_RESULT(yes)
2285                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2286                 ], [
2287                         AC_MSG_RESULT(no)
2288                 ])
2289         dnl **********************************
2290         dnl *** Check for getifaddrs       ***
2291         dnl **********************************
2292         AC_MSG_CHECKING(for getifaddrs)
2293                 AC_TRY_LINK([
2294                 #include <stdio.h>
2295                 #include <sys/types.h>
2296                 #include <sys/socket.h>
2297                 #include <ifaddrs.h>
2298         ], [
2299                 getifaddrs(NULL);
2300         ], [
2301                 # Yes, we have it...
2302                 AC_MSG_RESULT(yes)
2303                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2304         ], [
2305                 AC_MSG_RESULT(no)
2306         ])
2307         dnl **********************************
2308         dnl *** Check for if_nametoindex   ***
2309         dnl **********************************
2310         AC_MSG_CHECKING(for if_nametoindex)
2311                 AC_TRY_LINK([
2312                 #include <stdio.h>
2313                 #include <sys/types.h>
2314                 #include <sys/socket.h>
2315                 #include <net/if.h>
2316         ], [
2317                 if_nametoindex(NULL);
2318         ], [
2319                 # Yes, we have it...
2320                 AC_MSG_RESULT(yes)
2321                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2322         ], [
2323                 AC_MSG_RESULT(no)
2324         ])
2325                         
2326         dnl **********************************
2327         dnl *** Checks for MonoPosixHelper ***
2328         dnl **********************************
2329         AC_CHECK_HEADERS(checklist.h)
2330         AC_CHECK_HEADERS(pathconf.h)
2331         AC_CHECK_HEADERS(fstab.h)
2332         AC_CHECK_HEADERS(attr/xattr.h)
2333         AC_CHECK_HEADERS(sys/extattr.h)
2334         AC_CHECK_HEADERS(sys/sendfile.h)
2335         AC_CHECK_HEADERS(sys/statvfs.h)
2336         AC_CHECK_HEADERS(sys/statfs.h)
2337         AC_CHECK_HEADERS(sys/vfstab.h)
2338         AC_CHECK_HEADERS(sys/xattr.h)
2339         AC_CHECK_HEADERS(sys/mman.h)
2340         AC_CHECK_HEADERS(sys/param.h)
2341         AC_CHECK_HEADERS(sys/mount.h, [], [],
2342                 [
2343                 #ifdef HAVE_SYS_PARAM_H
2344                 # include <sys/param.h>
2345                 #endif
2346                 ])
2347         AC_CHECK_HEADERS(sys/mount.h)
2348         AC_CHECK_FUNCS(confstr)
2349         AC_CHECK_FUNCS(seekdir telldir)
2350         AC_CHECK_FUNCS(getdomainname)
2351         AC_CHECK_FUNCS(setdomainname)
2352         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2353         AC_CHECK_FUNCS(setgroups)
2354         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2355         AC_CHECK_FUNCS(getfsstat)
2356         AC_CHECK_FUNCS(lutimes futimes)
2357         AC_CHECK_FUNCS(mremap)
2358         AC_CHECK_FUNCS(remap_file_pages)
2359         AC_CHECK_FUNCS(posix_fadvise)
2360         AC_CHECK_FUNCS(posix_fallocate)
2361         AC_CHECK_FUNCS(posix_madvise)
2362         AC_CHECK_FUNCS(vsnprintf)
2363         AC_CHECK_FUNCS(sendfile)
2364         AC_CHECK_FUNCS(gethostid sethostid)
2365         AC_CHECK_FUNCS(sethostname)
2366         AC_CHECK_FUNCS(statfs)
2367         AC_CHECK_FUNCS(fstatfs)
2368         AC_CHECK_FUNCS(statvfs)
2369         AC_CHECK_FUNCS(fstatvfs)
2370         AC_CHECK_FUNCS(stime)
2371         AC_CHECK_FUNCS(strerror_r)
2372         AC_CHECK_FUNCS(ttyname_r)
2373         AC_CHECK_FUNCS(psignal)
2374         AC_CHECK_FUNCS(getlogin_r)
2375         AC_CHECK_FUNCS(lockf)
2376         AC_CHECK_FUNCS(swab)
2377         AC_CHECK_FUNCS(setusershell endusershell)
2378         AC_CHECK_FUNCS(futimens utimensat)
2379         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2380         AC_CHECK_FUNCS(readv writev preadv pwritev)
2381         AC_CHECK_FUNCS(setpgid)
2382         AC_CHECK_FUNCS(system)
2383         AC_CHECK_FUNCS(fork execv execve)
2384         AC_CHECK_FUNCS(accept4)
2385         AC_CHECK_SIZEOF(size_t)
2386         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2387                 [#include <sys/types.h>
2388                  #include <sys/stat.h>
2389                  #include <unistd.h>])
2390         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2391                 [#include <sys/types.h>
2392                  #include <sys/stat.h>
2393                  #include <unistd.h>])
2394         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2395                 [#include <sys/time.h>])
2396         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2397                 [#include <sys/socket.h>])
2398         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2399                 [#include <unistd.h>
2400                  #include <fcntl.h>])
2401         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2402                 [#include <sys/uio.h>])
2403         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2404                 [#include <sys/socket.h>])
2405         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2406                 [#include <sys/poll.h>])
2407         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2408                 [#include <sys/socket.h>])
2409         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2410                 [#include <sys/socket.h>])
2411         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2412                 [#include <netinet/in.h>])
2413         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2414                 [#include <netinet/in.h>])
2415         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2416                 [#include <sys/un.h>])
2417         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2418                 [#include <sys/types.h>
2419                  #include <sys/stat.h>
2420                  #include <unistd.h>])
2421         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2422                 [#include <time.h>])
2423         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2424                 [#include <sys/time.h>
2425                  #include <sys/types.h>
2426                  #include <utime.h>])
2427         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2428                 [#include <sys/time.h>])
2429         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2430                 [#include <sys/types.h>
2431                  #include <utime.h>])
2432         AC_CHECK_MEMBERS(
2433                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2434                 [#include <sys/types.h>
2435                  #include <dirent.h>])
2436         AC_CHECK_MEMBERS(
2437                 [struct passwd.pw_gecos],,, 
2438                 [#include <sys/types.h>
2439                  #include <pwd.h>])
2440         AC_CHECK_MEMBERS(
2441                 [struct statfs.f_flags],,, 
2442                 [#include <sys/types.h>
2443                  #include <sys/vfs.h>])
2444         AC_CHECK_MEMBERS(
2445                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2446                 [#include <sys/types.h>
2447                  #include <sys/stat.h>
2448                  #include <unistd.h>])
2449
2450         dnl Favour xattr through glibc, but use libattr if we have to
2451         AC_CHECK_FUNC(lsetxattr, ,
2452                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2453         )
2454         AC_SUBST(XATTR_LIB)
2455
2456         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2457         AC_CHECK_MEMBERS(
2458                 [struct kinfo_proc.kp_proc],,, 
2459                 [#include <sys/types.h>
2460                  #include <sys/param.h>
2461                  #include <sys/sysctl.h>
2462                  #include <sys/proc.h>
2463                  ])
2464
2465         dnl *********************************
2466         dnl *** Checks for Windows compilation ***
2467         dnl *********************************
2468         AC_CHECK_HEADERS(sys/time.h)
2469         AC_CHECK_HEADERS(sys/param.h)
2470         AC_CHECK_HEADERS(dirent.h)
2471
2472         dnl ******************************************
2473         dnl *** Checks for OSX and iOS compilation ***
2474         dnl ******************************************
2475         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2476
2477         dnl *********************************
2478         dnl *** Check for Console 2.0 I/O ***
2479         dnl *********************************
2480         AC_CHECK_HEADERS([curses.h])
2481         AC_CHECK_HEADERS([term.h], [], [],
2482         [#if HAVE_CURSES_H
2483          #include <curses.h>
2484          #endif
2485         ])
2486         AC_CHECK_HEADERS([termios.h])
2487 else
2488         dnl *********************************
2489         dnl *** Checks for Windows compilation ***
2490         dnl *********************************
2491         AC_CHECK_HEADERS(winternl.h)
2492
2493         jdk_headers_found=no
2494         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2495         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2496         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2497         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2498         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2499         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2500         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2501
2502         dnl *********************************
2503         dnl *** Check for struct ip_mreqn ***
2504         dnl *********************************
2505         AC_MSG_CHECKING(for struct ip_mreqn)
2506         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2507                 struct ip_mreqn mreq;
2508                 mreq.imr_address.s_addr = 0;
2509         ], [
2510                 # Yes, we have it...
2511                 AC_MSG_RESULT(yes)
2512                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2513         ], [
2514                 # We'll just have to try and use struct ip_mreq
2515                 AC_MSG_RESULT(no)
2516                 AC_MSG_CHECKING(for struct ip_mreq)
2517                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2518                         struct ip_mreq mreq;
2519                         mreq.imr_interface.s_addr = 0;
2520                 ], [
2521                         # Yes, we have it...
2522                         AC_MSG_RESULT(yes)
2523                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2524                 ], [
2525                         # No multicast support
2526                         AC_MSG_RESULT(no)
2527                 ])
2528         ])
2529
2530         dnl **********************************
2531         dnl *** Check for getaddrinfo ***
2532         dnl **********************************
2533         AC_MSG_CHECKING(for getaddrinfo)
2534                 AC_TRY_LINK([
2535                 #include <stdio.h>
2536                 #include <winsock2.h>
2537                 #include <ws2tcpip.h>
2538         ], [
2539                 getaddrinfo(NULL,NULL,NULL,NULL);
2540         ], [
2541                 # Yes, we have it...
2542                 AC_MSG_RESULT(yes)
2543                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2544         ], [
2545                 AC_MSG_RESULT(no)
2546         ])
2547
2548         dnl **********************************
2549         dnl *** Check for gethostbyname ***
2550         dnl **********************************
2551         AC_MSG_CHECKING(for gethostbyname)
2552                 AC_TRY_LINK([
2553                 #include <stdio.h>
2554                 #include <winsock2.h>
2555                 #include <ws2tcpip.h>
2556         ], [
2557                 gethostbyname(NULL);
2558         ], [
2559                 # Yes, we have it...
2560                 AC_MSG_RESULT(yes)
2561                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2562         ], [
2563                 AC_MSG_RESULT(no)
2564         ])
2565
2566         dnl **********************************
2567         dnl *** Check for getprotobyname ***
2568         dnl **********************************
2569         AC_MSG_CHECKING(for getprotobyname)
2570                 AC_TRY_LINK([
2571                 #include <stdio.h>
2572                 #include <winsock2.h>
2573                 #include <ws2tcpip.h>
2574         ], [
2575                 getprotobyname(NULL);
2576         ], [
2577                 # Yes, we have it...
2578                 AC_MSG_RESULT(yes)
2579                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2580         ], [
2581                 AC_MSG_RESULT(no)
2582         ])
2583
2584         dnl **********************************
2585         dnl *** Check for getnameinfo ***
2586         dnl **********************************
2587         AC_MSG_CHECKING(for getnameinfo)
2588                 AC_TRY_LINK([
2589                 #include <stdio.h>
2590                 #include <winsock2.h>
2591                 #include <ws2tcpip.h>
2592         ], [
2593                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2594         ], [
2595                 # Yes, we have it...
2596                 AC_MSG_RESULT(yes)
2597                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2598         ], [
2599                 AC_MSG_RESULT(no)
2600         ])
2601
2602         dnl **********************************
2603         dnl *** Check for inet_ntop ***
2604         dnl **********************************
2605         AC_MSG_CHECKING(for inet_ntop)
2606                 AC_TRY_LINK([
2607                 #include <stdio.h>
2608                 #include <winsock2.h>
2609                 #include <ws2tcpip.h>
2610         ], [
2611                 inet_ntop (0, NULL, NULL, 0);
2612         ], [
2613                 # Yes, we have it...
2614                 AC_MSG_RESULT(yes)
2615                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2616         ], [
2617                 AC_MSG_RESULT(no)
2618         ])
2619
2620         dnl **********************************
2621         dnl *** Check for inet_pton ***
2622         dnl **********************************
2623         AC_MSG_CHECKING(for inet_pton)
2624                 AC_TRY_LINK([
2625                 #include <stdio.h>
2626                 #include <winsock2.h>
2627                 #include <ws2tcpip.h>
2628         ], [
2629                 #ifndef inet_pton
2630                 (void) inet_pton;
2631                 #endif
2632                 inet_pton (0, NULL, NULL);
2633         ], [
2634                 # Yes, we have it...
2635                 AC_MSG_RESULT(yes)
2636                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2637         ], [
2638                 AC_MSG_RESULT(no)
2639         ])
2640
2641         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2642         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2643         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2644         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2645         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2646         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2647         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2648 fi
2649
2650 dnl socklen_t check
2651 AC_MSG_CHECKING(for socklen_t)
2652 AC_TRY_COMPILE([
2653 #include <sys/types.h>
2654 #include <sys/socket.h>
2655 ],[
2656   socklen_t foo;
2657 ],[
2658 ac_cv_c_socklen_t=yes
2659         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2660         AC_MSG_RESULT(yes)
2661 ],[
2662         AC_MSG_RESULT(no)
2663 ])
2664
2665 AC_MSG_CHECKING(for array element initializer support)
2666 AC_TRY_COMPILE([#include <sys/socket.h>], [
2667         const int array[] = {[1] = 2,};
2668 ], [
2669         # Yes, we have it...
2670         AC_MSG_RESULT(yes)
2671         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2672 ], [
2673         # We'll have to use signals
2674         AC_MSG_RESULT(no)
2675 ])
2676
2677 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2678         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2679         AC_TRY_LINK([#include <math.h>], 
2680         [ static void *p = &trunc; ],
2681         [
2682                 AC_DEFINE(HAVE_TRUNC) 
2683                 AC_MSG_RESULT(yes)
2684                 ac_cv_trunc=yes
2685         ],
2686         AC_MSG_RESULT(no)))
2687
2688 if test "x$ac_cv_truncl" != "xyes"; then
2689    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2690 fi
2691
2692 AC_CHECK_FUNCS(execvp)
2693
2694 dnl ****************************
2695 dnl *** Look for /dev/random ***
2696 dnl ****************************
2697
2698 AC_MSG_CHECKING([if usage of random device is requested])
2699 AC_ARG_ENABLE(dev-random,
2700 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2701 try_dev_random=$enableval, try_dev_random=yes)
2702
2703 AC_MSG_RESULT($try_dev_random)
2704
2705 case "{$build}" in
2706     *-openbsd*)
2707     NAME_DEV_RANDOM="/dev/srandom"
2708     ;;
2709
2710 dnl Win32 does not have /dev/random, they have their own method...
2711
2712     *-mingw*|*-*-cygwin*)
2713     ac_cv_have_dev_random=no
2714     ;;
2715
2716 dnl Everywhere else, it's /dev/random
2717
2718     *)
2719     NAME_DEV_RANDOM="/dev/random"
2720     ;;
2721 esac
2722
2723 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2724
2725 dnl Now check if the device actually exists
2726
2727 if test "x$try_dev_random" = "xyes"; then
2728     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2729     [if test -r "$NAME_DEV_RANDOM" ; then
2730         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2731     if test "x$ac_cv_have_dev_random" = "xyes"; then
2732         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2733     fi
2734 else
2735     AC_MSG_CHECKING(for random device)
2736     ac_cv_have_dev_random=no
2737     AC_MSG_RESULT(has been disabled)
2738 fi
2739
2740 if test "x$host_win32" = "xyes"; then
2741     AC_DEFINE(HAVE_CRYPT_RNG)
2742 fi
2743
2744 if test "x$ac_cv_have_dev_random" = "xno" \
2745     && test "x$host_win32" = "xno"; then
2746     AC_MSG_WARN([[
2747 ***
2748 *** A system-provided entropy source was not found on this system.
2749 *** Because of this, the System.Security.Cryptography random number generator
2750 *** will throw a NotImplemented exception.
2751 ***
2752 *** If you are seeing this message, and you know your system DOES have an
2753 *** entropy collection in place, please contact <crichton@gimp.org> and
2754 *** provide information about the system and how to access the random device.
2755 ***
2756 *** Otherwise you can install either egd or prngd and set the environment
2757 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2758 ***]])
2759 fi
2760
2761 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2762
2763 AC_MSG_CHECKING([if big-arrays are to be enabled])
2764 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2765 if test "x$enable_big_arrays" = "xyes" ; then
2766     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2767         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2768     else
2769         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2770     fi
2771 fi
2772 AC_MSG_RESULT($enable_big_arrays)
2773
2774 dnl **************
2775 dnl *** DTRACE ***
2776 dnl **************
2777
2778 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2779
2780 if test "x$enable_dtrace" = "xyes"; then
2781    if test "x$has_dtrace" = "xno"; then
2782           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2783    fi
2784    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2785    if test "x$DTRACE" = "xno"; then
2786           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2787           enable_dtrace=no
2788    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2789           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2790           enable_dtrace=no
2791    fi
2792 fi
2793
2794 dtrace_g=no
2795 if test "x$enable_dtrace" = "xyes"; then
2796         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2797         DTRACEFLAGS=
2798         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2799                 case "$host" in
2800                         powerpc-*-darwin*)
2801                         DTRACEFLAGS="-arch ppc64"
2802                         ;;
2803                         i*86-*-darwin*)
2804                         DTRACEFLAGS="-arch x86_64"
2805                         ;;
2806                         *)
2807                         DTRACEFLAGS=-64
2808                         ;;
2809                 esac
2810         else
2811                 case "$host" in
2812                         powerpc-*-darwin*)
2813                         DTRACEFLAGS="-arch ppc"
2814                         ;;
2815                         i*86-*-darwin*)
2816                         DTRACEFLAGS="-arch i386"
2817                         ;;
2818                         *)
2819                         DTRACEFLAGS=-32
2820                         ;;
2821                 esac
2822         fi
2823         AC_SUBST(DTRACEFLAGS)
2824         case "$host" in
2825                 *-*-solaris*)
2826                 dtrace_g=yes
2827                 ;;
2828         esac
2829         AC_CHECK_HEADERS([sys/sdt.h])
2830 fi
2831 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2832 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2833
2834 dnl **************
2835 dnl ***  NaCl  ***
2836 dnl **************
2837
2838 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2839 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2840
2841 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2842
2843 dnl
2844 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2845 dnl
2846 nacl_self_host=""
2847 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2848    nacl_self_host="nacl_self_host"
2849 fi
2850 AC_SUBST(nacl_self_host)
2851
2852 if test "x$enable_nacl_codegen" = "xyes"; then
2853    MONO_NACL_ALIGN_MASK_OFF=1
2854    AC_DEFINE(TARGET_NACL, 1, [...])
2855    AC_DEFINE(__native_client_codegen__, 1, [...])
2856 fi
2857 if test "x$enable_nacl_gc" = "xyes"; then
2858    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2859       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2860    else
2861       # Not yet implemented
2862       INSTRUMENT_CFLAG=""
2863    fi
2864    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2865 fi
2866 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2867
2868 dnl **************************
2869 dnl *** AOT cross offsets  ***
2870 dnl **************************
2871
2872 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2873     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2874
2875 dnl **************
2876 dnl ***  LLVM  ***
2877 dnl **************
2878
2879 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2880 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2881 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2882 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2883
2884 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2885
2886 if test "x$enable_llvm" = "xdefault"; then
2887    enable_llvm=$enable_llvm_default
2888 fi
2889
2890 if test "x$enable_llvm" = "xyes"; then
2891    if test "x$with_llvm" != "x"; then
2892           LLVM_CONFIG=$with_llvm/bin/llvm-config
2893           if test x$host_win32 = xyes; then
2894                 LLVM_CONFIG=$LLVM_CONFIG.exe
2895           fi
2896           if test ! -x $LLVM_CONFIG; then
2897                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2898       fi
2899    else
2900       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2901       if test "x$LLVM_CONFIG" = "xno"; then
2902              AC_MSG_ERROR([llvm-config not found.])
2903       fi
2904    fi
2905
2906    llvm_codegen="x86codegen"
2907    case "$target" in
2908    arm*)
2909                 llvm_codegen="armcodegen"
2910                 ;;
2911    esac
2912
2913    if test "x$host_win32" = "xno"; then
2914
2915    # Should be something like '2.6' or '2.7svn'
2916    llvm_version=`$LLVM_CONFIG --version`
2917    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2918    AC_MSG_CHECKING(LLVM version)
2919    AC_MSG_RESULT($llvm_version $llvm_api_version)
2920    if echo $llvm_version | grep -q 'mono'; then
2921           if test "x$enable_llvm_version_check" = "xyes"; then
2922                  if test "$llvm_version" != "$expected_llvm_version"; then
2923                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2924                  fi
2925           fi
2926    else
2927           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.])
2928    fi
2929
2930    # The output of --cflags seems to include optimizations flags too
2931    if test $llvm_api_version -gt 100; then
2932           # The --cflags argument includes all kinds of warnings -pendantic etc.
2933           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2934           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2935    else
2936           LLVM_CFLAGS=`$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'`
2937       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2938    fi
2939    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2940    # from LLVM classes.
2941    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2942    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2943    # This might include empty lines
2944    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2945    llvm_jit_supported=yes
2946    llvm_jit_libs="jit mcjit $llvm_codegen"
2947    if test "x$host" != "x$target"; then
2948       # No need for jit libs
2949           llvm_jit_supported=no
2950       llvm_jit_libs=""
2951    elif test $llvm_api_version -gt 100; then
2952       llvm_jit_libs="orcjit $llvm_codegen"
2953    fi
2954    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2955    if test "x$LLVM_LIBS" = "x"; then
2956           echo "$LLVM_CONFIG --libs failed."
2957           exit 1
2958    fi
2959    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2960    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2961    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2962       LLVM_LIBS="$LLVM_LIBS -lc++"
2963    else
2964       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2965    fi
2966
2967    expected_llvm_version="3.4svn-mono-mono/e656cac"
2968
2969    else
2970        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2971        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2972        LLVM_LDFLAGS="-L$with_llvm/lib"
2973        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2974        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2975          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2976          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2977          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2978          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2979          -lLLVMAnalysis -lLLVMTarget \
2980          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2981          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2982          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2983          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2984          -lLLVMSupport -lstdc++"
2985        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2986
2987        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2988        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2989    fi  
2990
2991    if test "x$llvm_api_version" = "x"; then
2992           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2993           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2994    else
2995           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2996           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2997    fi   
2998
2999    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
3000
3001    AC_SUBST(LLVM_CFLAGS)
3002    AC_SUBST(LLVM_CXXFLAGS)
3003    AC_SUBST(LLVM_LIBS)
3004    AC_SUBST(LLVM_LDFLAGS)
3005    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
3006 fi
3007
3008 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
3009 if test "x$enable_loadedllvm" = "xyes"; then
3010    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
3011 fi
3012 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
3013
3014 if test "x$enable_llvm" = "xyes"; then
3015    enable_llvm_runtime=yes
3016 fi
3017 if test "x$enable_llvm_runtime" = "xyes"; then
3018    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
3019 fi
3020 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
3021
3022 TARGET="unknown"
3023 ACCESS_UNALIGNED="yes"
3024
3025 LIBC="libc.so.6"
3026 INTL="libc.so.6"
3027 SQLITE="libsqlite.so.0"
3028 SQLITE3="libsqlite3.so.0"
3029 X11="libX11.so"
3030 GDKX11="libgdk-x11-2.0.so.0"
3031 GTKX11="libgtk-x11-2.0.so.0"
3032 XINERAMA="libXinerama.so.1"
3033
3034 sizeof_register="SIZEOF_VOID_P"
3035
3036 jit_wanted=true
3037 boehm_supported=true
3038 BTLS_SUPPORTED=no
3039 BTLS_PLATFORM=
3040 case "$host" in
3041         mips*)
3042                 TARGET=MIPS;
3043                 arch_target=mips;
3044                 with_tls=pthread;
3045                 ACCESS_UNALIGNED="no"
3046
3047                 AC_MSG_CHECKING(for mips n32)
3048                 AC_TRY_COMPILE([],[
3049                 #if _MIPS_SIM != _ABIN32
3050                 #error Not mips n32
3051                 #endif
3052                 return 0;
3053                 ],[
3054                 AC_MSG_RESULT(yes)
3055                 sizeof_register=8
3056                 ],[
3057                 AC_MSG_RESULT(no)
3058                 ])
3059                 ;;
3060         i*86-*-*)
3061                 TARGET=X86;
3062                 arch_target=x86;
3063                 case $host_os in
3064                   solaris*)
3065                         LIBC="libc.so"
3066                         INTL="libintl.so"
3067                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3068                                 TARGET=AMD64
3069                                 arch_target=amd64
3070                         fi
3071
3072                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
3073                         # int astruct __attribute__ ((visibility ("hidden")));
3074                         # void foo ()
3075                         # {
3076                         #       void *p = &astruct;
3077                         # }
3078                         # gcc -fPIC --shared -o libfoo.so foo.c
3079                         # yields:
3080                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3081                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3082                         have_visibility_hidden=no
3083                         ;;
3084                   mingw*|cygwin*)
3085                         have_visibility_hidden=no                 
3086                         ;;
3087                   haiku*)
3088                         LIBC=libroot.so
3089                         ;;
3090                   linux*)
3091                         AOT_SUPPORTED="yes"
3092                         BTLS_SUPPORTED=yes
3093                         BTLS_PLATFORM=i386
3094                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3095                         ;;
3096                   darwin*)
3097                         AOT_SUPPORTED="yes"
3098                         BTLS_SUPPORTED=yes
3099                         BTLS_PLATFORM=i386
3100                         ;;
3101                   openbsd*|freebsd*|kfreebsd-gnu*)
3102                         ;;
3103                 esac
3104                 ;;
3105         x86_64-*-* | amd64-*-*)
3106                 TARGET=AMD64;
3107                 arch_target=amd64;
3108                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3109                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3110                         sizeof_register=8
3111                 fi
3112                 case $host_os in
3113                   linux*)
3114                         AOT_SUPPORTED="yes"
3115                         BTLS_SUPPORTED=yes
3116                         BTLS_PLATFORM=x86_64
3117                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3118                         ;;
3119                   darwin*)
3120                         AOT_SUPPORTED="yes"
3121                         BTLS_SUPPORTED=yes
3122                         BTLS_PLATFORM=x86_64
3123                         boehm_supported=false
3124                         ;;
3125                   openbsd*|freebsd*|kfreebsd-gnu*)
3126                         ;;
3127                   mingw*)
3128                         ;;
3129                 esac
3130                 case "$host" in
3131                         x86_64-*-nacl*)
3132                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3133                                 sizeof_register=8
3134                                 ;;
3135                 esac
3136                 ;;
3137         ia64-*-*)
3138                 TARGET=IA64
3139                 arch_target=ia64
3140                 ACCESS_UNALIGNED="no"
3141                 LIBC="libc.so.6.1"
3142                 INTL="libc.so.6.1"
3143                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
3144                 libmono_ldflags="-lunwind"
3145                 ;;
3146         sparc*-*-*)
3147                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3148                    TARGET=SPARC64
3149                 else
3150                         TARGET=SPARC
3151                 fi
3152                 arch_target=sparc;
3153                 ACCESS_UNALIGNED="no"
3154                 case $host_os in
3155                   linux*) ;;
3156                   *)
3157                         LIBC="libc.so"
3158                         INTL="libintl.so"
3159                 esac
3160                 if test x"$GCC" = xyes; then
3161                         # We don't support v8 cpus
3162                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3163                 fi
3164                 if test x"$AR" = xfalse; then
3165                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3166                 fi
3167                 ;;
3168         *-mingw*|*-*-cygwin*)
3169                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3170                 have_visibility_hidden=no
3171                 INTL="intl"
3172                 ;;
3173         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3174         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3175                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3176                         TARGET=POWERPC64;
3177                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3178                         CFLAGS="$CFLAGS -mminimal-toc"
3179                 else
3180                         TARGET=POWERPC;
3181                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3182                 fi
3183                 arch_target=ppc;
3184                 case $host_os in
3185                   linux*|darwin*)
3186                         ;;
3187                 esac
3188                 ;;
3189         armv7k-*-darwin*)
3190                 TARGET=ARM;
3191                 TARGET_SYS=WATCHOS
3192                 arch_target=arm;
3193                 arm_fpu=VFP_HARD
3194                 ACCESS_UNALIGNED="no"
3195                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3196                 ;;
3197
3198         arm*-darwin*)
3199                 TARGET=ARM;
3200                 arch_target=arm;
3201                 ACCESS_UNALIGNED="no"
3202                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3203                 ;;
3204         arm*-linux*)
3205                 TARGET=ARM;
3206                 arch_target=arm;
3207                 ACCESS_UNALIGNED="no"
3208                 AOT_SUPPORTED="yes"
3209                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3210                 ;;
3211         arm*-netbsd*-eabi*)
3212                 TARGET=ARM;
3213                 arch_target=arm;
3214                 ACCESS_UNALIGNED="no"
3215                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3216                 ;;
3217 # TODO: make proper support for NaCl host.
3218 #        arm*-*nacl)
3219 #               TARGET=ARM;
3220 #               arch_target=arm;
3221 #               ACCESS_UNALIGNED="no"
3222 #               AOT_SUPPORTED="no"
3223 #               ;;
3224         aarch64-*)
3225                 # https://lkml.org/lkml/2012/7/15/133
3226                 TARGET=ARM64
3227                 arch_target=arm64
3228                 boehm_supported=false
3229                 AOT_SUPPORTED="yes"
3230                 ;;
3231         s390x-*-linux*)
3232                 TARGET=S390X;
3233                 arch_target=s390x;
3234                 ACCESS_UNALIGNED="yes"
3235                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3236                 ;;
3237 esac
3238
3239 HOST=$TARGET
3240
3241 if test "x$host" != "x$target"; then
3242    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3243    enable_mcs_build=no
3244    BTLS_SUPPORTED=no
3245    case "$target" in
3246    arm*-darwin*)
3247                 TARGET=ARM;
3248                 arch_target=arm;
3249                 ACCESS_UNALIGNED="no"
3250                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3251                 # Can't use tls, since it depends on the runtime detection of tls offsets
3252                 # in mono-compiler.h
3253                 with_tls=pthread
3254                 case "$target" in
3255                 armv7k-*)
3256                         arm_fpu=VFP_HARD
3257                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3258                         ;;
3259                 esac            
3260                 ;;
3261    powerpc64-ps3-linux-gnu)
3262                 TARGET=POWERPC64
3263                 arch_target=powerpc64
3264                 AC_DEFINE(TARGET_PS3, 1, [...])
3265                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3266                 # uses this define
3267                 AC_DEFINE(__mono_ppc64__, 1, [...])
3268                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3269                 sizeof_register=8
3270                 target_byte_order=G_BIG_ENDIAN
3271                 ;;
3272    powerpc64-xbox360-linux-gnu)
3273                 TARGET=POWERPC64
3274                 arch_target=powerpc64
3275                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3276                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3277                 # uses this define
3278                 sizeof_register=8
3279                 target_byte_order=G_BIG_ENDIAN
3280                 ;;
3281    x86_64-*-nacl)
3282                 TARGET=AMD64
3283                 arch_target=amd64
3284                 AC_DEFINE(TARGET_AMD64, 1, [...])
3285                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3286                 sizeof_register=8
3287                 ;;
3288 # TODO: make proper support for NaCl target.
3289 #   arm*-*nacl)
3290 #               TARGET=ARM
3291 #               arch_target=arm
3292 #               AC_DEFINE(TARGET_ARM, 1, [...])
3293 #               ACCESS_UNALIGNED="no"
3294 #               sizeof_register=4
3295 #               CPPFLAGS="$CPPFLAGS \
3296 #                    -D__ARM_EABI__ \
3297 #                    -D__arm__ \
3298 #                    -D__portable_native_client__ \
3299 #                    -Dtimezone=_timezone \
3300 #                    -DDISABLE_SOCKETS \
3301 #                    -DDISABLE_ATTACH \
3302 #                    -DUSE_NEWLIB"
3303                 # Can't use tls, since it depends on the runtime detection of tls offsets
3304                 # in mono-compiler.h
3305 #               with_tls=pthread
3306 #               ;;
3307    i686-*-nacl)
3308                 TARGET=X86
3309                 arch_target=x86
3310                 AC_DEFINE(TARGET_X86, 1, [...])
3311                 sizeof_register=4
3312                 ;;
3313    arm*-linux-*)
3314                 TARGET=ARM;
3315                 arch_target=arm;
3316                 AC_DEFINE(TARGET_ARM, 1, [...])
3317                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3318                 ACCESS_UNALIGNED="no"
3319                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3320                 # Can't use tls, since it depends on the runtime detection of tls offsets
3321                 # in mono-compiler.h
3322                 with_tls=pthread
3323                 target_mach=no
3324                 case "$target" in
3325                 armv7l-unknown-linux-gnueabi*)
3326                         # TEGRA
3327                         CPPFLAGS="$CPPFLAGS"
3328                         ;;
3329                 armv5-*-linux-androideabi*)
3330                         CPPFLAGS="$CPPFLAGS"
3331                         ;;
3332                 esac
3333                 ;;
3334    arm*-netbsd*-eabi*)
3335                 TARGET=ARM;
3336                 arch_target=arm;
3337                 AC_DEFINE(TARGET_ARM, 1, [...])
3338                 ACCESS_UNALIGNED="no"
3339                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3340                 # Can't use tls, since it depends on the runtime detection of tls offsets
3341                 # in mono-compiler.h
3342                 with_tls=pthread
3343                 target_mach=no
3344                 ;;
3345    i686*-linux-*)
3346                 TARGET=X86;
3347                 arch_target=x86;
3348                 AC_DEFINE(TARGET_X86, 1, [...])
3349                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3350                 CPPFLAGS="$CPPFLAGS"
3351                 # Can't use tls, since it depends on the runtime detection of tls offsets
3352                 # in mono-compiler.h            
3353                 with_tls=pthread
3354                 target_mach=no
3355                 ;;
3356    x86_64*-linux-*)
3357                 TARGET=AMD64;
3358                 arch_target=amd64;
3359                 AC_DEFINE(TARGET_AMD64, 1, [...])
3360                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3361                 CPPFLAGS="$CPPFLAGS"
3362                 # Can't use tls, since it depends on the runtime detection of tls offsets
3363                 # in mono-compiler.h
3364                 with_tls=pthread
3365                 target_mach=no
3366                 ;;
3367    x86_64-ps4-freebsd)
3368                 TARGET=AMD64;
3369                 arch_target=amd64;
3370                 AC_DEFINE(TARGET_AMD64, 1, [...])
3371                 AC_DEFINE(TARGET_PS4, 1, [...])
3372                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3373                 CPPFLAGS="$CPPFLAGS"
3374                 # Can't use tls, since it depends on the runtime detection of tls offsets
3375                 # in mono-compiler.h
3376                 with_tls=pthread
3377                 target_mach=no
3378                 target_win32=no
3379                 ;;
3380    aarch64*-linux-*)
3381                 TARGET=ARM64;
3382                 arch_target=arm64;
3383                 AC_DEFINE(TARGET_ARM64, 1, [...])
3384                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3385                 CPPFLAGS="$CPPFLAGS"
3386                 # Can't use tls, since it depends on the runtime detection of tls offsets
3387                 # in mono-compiler.h
3388                 with_tls=pthread
3389                 target_mach=no
3390                 ;;
3391         aarch64-*)
3392                 TARGET=ARM64
3393                 ;;
3394         *)
3395                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3396         esac
3397 fi
3398
3399 case "$TARGET" in
3400 X86)
3401         AC_DEFINE(TARGET_X86, 1, [...])
3402         ;;
3403 AMD64)
3404         AC_DEFINE(TARGET_AMD64, 1, [...])
3405         ;;
3406 ARM)
3407         AC_DEFINE(TARGET_ARM, 1, [...])
3408         ;;
3409 ARM64)
3410         AC_DEFINE(TARGET_ARM64, 1, [...])
3411         ;;
3412 POWERPC)
3413         AC_DEFINE(TARGET_POWERPC, 1, [...])
3414         ;;
3415 POWERPC64)
3416         AC_DEFINE(TARGET_POWERPC, 1, [...])
3417         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3418         ;;
3419 S390X)
3420         AC_DEFINE(TARGET_S390X, 1, [...])
3421         ;;
3422 MIPS)
3423         AC_DEFINE(TARGET_MIPS, 1, [...])
3424         ;;
3425 IA64)
3426         AC_DEFINE(TARGET_IA64, 1, [...])
3427         ;;
3428 SPARC)
3429         AC_DEFINE(TARGET_SPARC, 1, [...])
3430         ;;
3431 SPARC64)
3432         AC_DEFINE(TARGET_SPARC64, 1, [...])
3433         ;;
3434 esac
3435
3436 case "$HOST" in
3437 X86)
3438         AC_DEFINE(HOST_X86, 1, [...])
3439         ;;
3440 AMD64)
3441         AC_DEFINE(HOST_AMD64, 1, [...])
3442         ;;
3443 ARM)
3444         AC_DEFINE(HOST_ARM, 1, [...])
3445         ;;
3446 ARM64)
3447         AC_DEFINE(HOST_ARM64, 1, [...])
3448         ;;
3449 POWERPC)
3450         AC_DEFINE(HOST_POWERPC, 1, [...])
3451         ;;
3452 POWERPC64)
3453         AC_DEFINE(HOST_POWERPC, 1, [...])
3454         AC_DEFINE(HOST_POWERPC64, 1, [...])
3455         ;;
3456 S390X)
3457         AC_DEFINE(HOST_S390X, 1, [...])
3458         ;;
3459 MIPS)
3460         AC_DEFINE(HOST_MIPS, 1, [...])
3461         ;;
3462 IA64)
3463         AC_DEFINE(HOST_IA64, 1, [...])
3464         ;;
3465 SPARC)
3466         AC_DEFINE(HOST_SPARC, 1, [...])
3467         ;;
3468 SPARC64)
3469         AC_DEFINE(HOST_SPARC64, 1, [...])
3470         ;;
3471 esac
3472
3473
3474
3475 dnl *************
3476 dnl *** VTUNE ***
3477 dnl *************
3478
3479 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3480 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3481
3482 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3483
3484 if test "x$enable_vtune" = "xyes"; then
3485         if test "x$with_vtune" = "x"; then
3486                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3487         else
3488                 VTUNE_PATH=$with_vtune
3489         fi
3490         VTUNE_INCLUDE=$VTUNE_PATH/include
3491         case "$TARGET" in
3492         X86)
3493                 VTUNE_LIB=$VTUNE_PATH/lib32
3494                 ;;
3495         AMD64)
3496                 VTUNE_LIB=$VTUNE_PATH/lib64
3497                 ;;
3498         *)
3499                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3500                 ;;
3501         esac
3502         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3503                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3504         fi
3505         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3506                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3507         fi
3508
3509         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3510         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3511
3512         AC_SUBST(VTUNE_LIBS)
3513         AC_SUBST(VTUNE_CFLAGS)
3514 fi
3515 dnl Use GCC atomic ops if they work on the target.
3516 if test x$GCC = "xyes"; then
3517         case $TARGET in
3518         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3519                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3520                 ;;
3521         esac
3522 fi
3523
3524 if test "x$target_mach" = "xyes"; then
3525
3526    if test "x$TARGET_SYS" = "xWATCHOS"; then
3527           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3528           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3529           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3530           BTLS_SUPPORTED=no
3531    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3532           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3533           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3534           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3535           BTLS_SUPPORTED=no
3536    else
3537        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3538        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3539        #error fail this for ios
3540        #endif
3541        return 0;
3542        ], [
3543                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3544           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3545           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3546           target_osx=yes
3547        ], [
3548           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3549           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3550           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3551           BTLS_SUPPORTED=no
3552        ])
3553         fi
3554    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3555 fi
3556
3557 AM_CONDITIONAL(TARGET_OSX, test x$target_osx = xyes)
3558
3559 if test "x$sizeof_register" = "x4"; then
3560    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3561 elif test "x$sizeof_register" = "x8"; then
3562    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3563 else
3564    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3565 fi
3566
3567 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3568    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3569 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3570    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3571 else
3572    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3573 fi
3574
3575 if test "x$have_visibility_hidden" = "xyes"; then
3576    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3577 fi
3578
3579 if test "x$have_deprecated" = "xyes"; then
3580    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3581 fi
3582
3583 AC_ARG_WITH(interpreter, [  --with-interpreter=yes|no       Interpreter, default=no],[buildinterpreter=$with_interpreter],[buildinterpreter=no])
3584 if test "x$buildinterpreter" = "xyes"; then
3585     AC_DEFINE(ENABLE_INTERPRETER, 1, [Enable interpreter in the runtime.])
3586     AC_MSG_NOTICE([Enable interpreter in the runtime.])
3587 fi
3588
3589 AM_CONDITIONAL([ENABLE_INTERPRETER], [test x$buildinterpreter != xno])
3590
3591
3592 dnl 
3593 dnl Simple Generational checks (sgen)
3594 dnl
3595 SGEN_DEFINES=
3596 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3597 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3598 if test x$buildsgen = xyes; then
3599    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3600    SGEN_DEFINES="-DHAVE_SGEN_GC"
3601
3602         conc_gc_msg=""
3603    if test x$with_sgen_default_concurrent != xno; then
3604        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3605            conc_gc_msg=" (concurrent by default)"
3606    fi
3607
3608    if test "x$gc_msg" = "x"; then
3609       gc_msg="sgen$conc_gc_msg"
3610    else
3611       gc_msg="sgen$conc_gc_msg and $gc_msg"
3612    fi
3613 fi
3614 AC_SUBST(SGEN_DEFINES)
3615 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3616
3617 jit_status="Building and using the JIT"
3618
3619 libsuffix=".so"
3620
3621 case "$host" in
3622      *-*-darwin*)
3623         libsuffix=".dylib"
3624         LIBC="libc.dylib"
3625         INTL="libintl.dylib"
3626         SQLITE="libsqlite.0.dylib"
3627         SQLITE3="libsqlite3.0.dylib"
3628         X11="libX11.dylib"
3629         GDKX11="libgdk-x11-2.0.dylib"
3630         GTKX11="libgtk-x11-2.0.dylib"
3631         ;;
3632      *-*-*netbsd*)
3633         LIBC="libc.so"
3634         INTL="libintl.so"
3635         SQLITE="libsqlite.so"
3636         SQLITE3="libsqlite3.so"
3637         ;;
3638      *-*-kfreebsd*-gnu)
3639         LIBC="libc.so.0.1"
3640         INTL="libc.so.0.1"
3641         X11="libX11.so.6"
3642         ;;
3643     *-*-*freebsd*)
3644         LIBC="libc.so.7"
3645         INTL="libintl.so"
3646         SQLITE="libsqlite.so"
3647         SQLITE3="libsqlite3.so"
3648         ;;
3649     *-*-*openbsd*)
3650         LIBC="libc.so"
3651         INTL="libintl.so"
3652         SQLITE="libsqlite.so"
3653         SQLITE3="libsqlite3.so"
3654         ;;
3655     *-*-*linux*)
3656         AC_PATH_X
3657         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3658         AC_MSG_CHECKING(for the soname of libX11.so)
3659         for i in $x_libraries $dlsearch_path; do
3660                 for r in 4 5 6; do
3661                         if test -f $i/libX11.so.$r; then
3662                                 X11=libX11.so.$r
3663                                 AC_MSG_RESULT($X11)
3664                         fi
3665                 done
3666         done
3667         
3668         if test "x$X11" = "xlibX11.so"; then
3669                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3670                 X11=libX11.so.6
3671         fi
3672         ;;
3673 esac
3674
3675
3676 AC_SUBST(libsuffix)
3677
3678 AC_ARG_WITH([libgdiplus],
3679         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3680         [], [with_libgdiplus=installed])
3681
3682 # default install location
3683 libgdiplus_install_loc=libgdiplus${libsuffix}
3684 case "$host" in
3685     *-*-*linux*)
3686     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3687     ;;
3688 esac
3689
3690 case $with_libgdiplus in
3691     no|installed)
3692     libgdiplus_loc=
3693     ;;
3694
3695     yes|sibling)
3696     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3697     ;;
3698
3699     /*) # absolute path, assume it is an install location
3700     libgdiplus_loc=$with_libgdiplus
3701     libgdiplus_install_loc=$with_libgdiplus
3702     ;;
3703
3704     *)
3705     libgdiplus_loc=`pwd`/$with_libgdiplus
3706     ;;
3707 esac
3708 AC_SUBST([libgdiplus_loc])
3709 AC_SUBST([libgdiplus_install_loc])
3710
3711 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3712 if test "x$icall_symbol_map" = "xyes"; then
3713    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3714 fi
3715
3716 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3717 if test "x$icall_export" = "xyes"; then
3718    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3719 fi
3720
3721 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3722 if test "x$icall_tables" = "xno"; then
3723    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3724 fi
3725
3726 if test "x$with_tls" = "x__thread"; then
3727         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3728         # Pass the information to libgc
3729         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3730         AC_MSG_CHECKING(if the tls_model attribute is supported)
3731         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3732                 ], [
3733                         AC_MSG_RESULT(yes)
3734                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3735                 ], [
3736                         AC_MSG_RESULT(no)
3737         ])
3738 fi
3739
3740 if test ${TARGET} = ARM; then
3741         dnl ******************************************
3742         dnl *** Check to see what FPU is available ***
3743         dnl ******************************************
3744         AC_MSG_CHECKING(which FPU to use)
3745
3746         #
3747         # This is a bit tricky:
3748         #
3749         # if (__ARM_PCS_VFP) {
3750         #       /* mfloat-abi=hard == VFP with hard ABI */
3751         # } elif (!__SOFTFP__) {
3752         #       /* mfloat-abi=softfp == VFP with soft ABI */
3753         # } else {
3754         #       /* mfloat-abi=soft == no VFP */
3755         # }
3756         #
3757         # The exception is iOS (w/ GCC) where none of the above
3758         # are defined (but iOS always uses the 'softfp' ABI).
3759         #
3760         # No support for FPA.
3761         #
3762
3763         fpu=NONE
3764
3765         # iOS GCC always uses the 'softfp' ABI.
3766         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3767                 fpu=VFP
3768         fi
3769
3770         # Are we using the 'hard' ABI?
3771         if test x$fpu = xNONE; then
3772                 AC_TRY_COMPILE([], [
3773                         #ifndef __ARM_PCS_VFP
3774                         #error "Float ABI is not 'hard'"
3775                         #endif
3776                         return 0;
3777                 ], [
3778                         fpu=VFP_HARD
3779                 ], [
3780                         fpu=NONE
3781                 ])
3782         fi
3783
3784         # No 'hard' ABI. 'soft' or 'softfp'?
3785         if test x$fpu = xNONE; then
3786                 AC_TRY_COMPILE([], [
3787                         #ifdef __SOFTFP__
3788                         #error "Float ABI is not 'softfp'"
3789                         #endif
3790                         return 0;
3791                 ], [
3792                         fpu=VFP
3793                 ], [
3794                         fpu=NONE
3795                 ])
3796         fi
3797
3798         if test x$arm_fpu != x; then
3799            fpu=$arm_fpu
3800         fi
3801
3802         AC_MSG_RESULT($fpu)
3803         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3804         unset fpu
3805
3806         dnl *********************************************
3807         dnl *** Check which ARM version(s) we can use ***
3808         dnl *********************************************
3809         AC_MSG_CHECKING(which ARM version to use)
3810
3811         AC_TRY_COMPILE([], [
3812                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3813                 #error Not on ARM v5.
3814                 #endif
3815                 return 0;
3816         ], [
3817                 arm_v5=yes
3818
3819                 arm_ver=ARMv5
3820         ], [])
3821
3822         AC_TRY_COMPILE([], [
3823                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3824                 #error Not on ARM v6.
3825                 #endif
3826                 return 0;
3827         ], [
3828                 arm_v5=yes
3829                 arm_v6=yes
3830
3831                 arm_ver=ARMv6
3832         ], [])
3833
3834         AC_TRY_COMPILE([], [
3835                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3836                 #error Not on ARM v7.
3837                 #endif
3838                 return 0;
3839         ], [
3840                 arm_v5=yes
3841                 arm_v6=yes
3842                 arm_v7=yes
3843
3844                 arm_ver=ARMv7
3845         ], [])
3846
3847         AC_MSG_RESULT($arm_ver)
3848
3849         if test x$arm_v5 = xyes; then
3850                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3851                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3852         fi
3853
3854         if test x$arm_v6 = xyes; then
3855                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3856                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3857         fi
3858
3859         if test x$arm_v7 = xyes; then
3860                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3861                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3862         fi
3863 fi
3864
3865 if test ${TARGET} = unknown; then
3866         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3867         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3868 fi
3869
3870 if test "x$platform_android" = "xyes"; then
3871         case "x${TARGET}" in
3872         xARM)
3873                 case "x$arm_ver" in
3874                 xARMv5)
3875                         BTLS_SUPPORTED=yes
3876                         BTLS_PLATFORM=android-armv5
3877                         ;;
3878                 xARMv6)
3879                         BTLS_SUPPORTED=yes
3880                         BTLS_PLATFORM=android-armv6
3881                         ;;
3882                 xARMv7)
3883                         BTLS_SUPPORTED=yes
3884                         BTLS_PLATFORM=android-armv7
3885                         ;;
3886                 *)
3887                         BTLS_SUPPORTED=no
3888                         ;;
3889                 esac
3890                 ;;
3891         xARM64)
3892                 BTLS_SUPPORTED=yes
3893                 BTLS_PLATFORM=android-v8a
3894                 ;;
3895         xX86)
3896                 BTLS_SUPPORTED=yes
3897                 BTLS_PLATFORM=android-x86
3898                 ;;
3899         xAMD64)
3900                 BTLS_SUPPORTED=yes
3901                 BTLS_PLATFORM=android-x64
3902                 ;;
3903         *)
3904                 BTLS_SUPPORTED=no
3905                 ;;
3906         esac
3907 fi
3908
3909 if test ${ACCESS_UNALIGNED} = no; then
3910         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3911 fi
3912
3913 if test x$host_darwin = xyes; then
3914         AC_MSG_CHECKING([for ranlib that supports -no_warning_for_no_symbols option])
3915         AS_IF(
3916                 [$RANLIB -no_warning_for_no_symbols 2>&1 | grep -q "unknown option"],
3917                 [AC_MSG_RESULT([no])],
3918                 [
3919                         # avoid AR calling ranlib, libtool calls it anyway. suppress no symbols warning.
3920                         AR_FLAGS="Scru"
3921                         RANLIB="$RANLIB -no_warning_for_no_symbols"
3922                         AC_MSG_RESULT([yes])
3923                 ]
3924         )
3925 fi
3926
3927 case "x$libgc" in
3928         xincluded)
3929                 # Pass CPPFLAGS to libgc configure
3930                 # We should use a separate variable for this to avoid passing useless and
3931                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3932                 # This should be executed late so we pick up the final version of CPPFLAGS
3933                 # The problem with this approach, is that during a reconfigure, the main
3934                 # configure scripts gets invoked with these arguments, so we use separate
3935                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3936                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3937                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3938                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3939                 fi
3940                 # Don't pass -finstrument-for-thread-suspension in, 
3941                 # if these are instrumented it will be very bad news 
3942                 # (infinite recursion, undefined parking behavior, etc)
3943                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3944                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3945                 if test "x$support_boehm" = "xyes"; then
3946                         AC_CONFIG_SUBDIRS(libgc)
3947                 fi
3948                 ;;
3949 esac
3950
3951 MALLOC_MEMPOOLS=no
3952 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3953         if test x$with_malloc_mempools = xyes; then
3954                 MALLOC_MEMPOOLS=yes
3955                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3956         fi
3957 ])
3958
3959
3960 DISABLE_MCS_DOCS=default
3961 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3962         if test x$with_mcs_docs != xyes; then
3963                 DISABLE_MCS_DOCS=yes
3964         fi
3965 ])
3966 if test -n "$INSTALL_4_x_TRUE"; then :
3967         DISABLE_MCS_DOCS=yes
3968 fi
3969 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
3970    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
3971 fi
3972
3973 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3974         if test x$with_lazy_gc_thread_creation != xno ; then
3975                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3976         fi
3977 ], [with_lazy_gc_thread_creation=no])
3978
3979 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])
3980
3981 if test x$with_cooperative_gc = xdefault; then
3982         with_cooperative_gc=$with_cooperative_gc_default
3983 fi
3984
3985 if test x$with_cooperative_gc != xno; then
3986         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3987 fi
3988
3989 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
3990
3991 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],[
3992
3993         if test x$enable_checked_build != x ; then
3994                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
3995         fi
3996         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
3997                 eval "mono_checked_build_test_enable_$feature='yes'"
3998         done
3999
4000         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
4001                 eval "mono_checked_build_test_enable_gc='yes'"
4002                 eval "mono_checked_build_test_enable_metadata='yes'"
4003                 eval "mono_checked_build_test_enable_thread='yes'"
4004         fi
4005
4006         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
4007                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
4008         fi
4009
4010         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
4011                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
4012         fi
4013
4014         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
4015                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
4016         fi
4017
4018 ], [])
4019
4020 AC_CHECK_HEADER([malloc.h], 
4021                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
4022                         [Define to 1 if you have /usr/include/malloc.h.])],,)
4023
4024 if test x"$GCC" = xyes; then
4025         # Implicit function declarations are not 64 bit safe
4026         # Do this late, since this causes lots of configure tests to fail
4027         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
4028         # jay has a lot of implicit declarations
4029         JAY_CFLAGS="-Wno-implicit-function-declaration"
4030 fi
4031
4032 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
4033 # instead of libmono-static.a
4034 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
4035    LIBMONO_LA=libmini-static.la
4036 else
4037    if test x$buildsgen = xyes; then
4038       LIBMONO_LA=libmonosgen-$API_VER.la
4039    else
4040       LIBMONO_LA=libmonoboehm-$API_VER.la
4041    fi
4042 fi
4043 AC_SUBST(LIBMONO_LA)
4044
4045 dnl **************
4046 dnl ***  Btls  ***
4047 dnl **************
4048
4049 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
4050 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
4051
4052 AC_ARG_ENABLE(dynamic-btls, [ --enable-dynamic-btls Place the BTLS provider into a separate shared library/archive.], enable_dynamic_btls=$enableval, enable_dynamic_btls=no)
4053
4054 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
4055
4056 btls_android=no
4057 if test "x$enable_btls" = "xyes"; then
4058         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
4059         if test "x$CMAKE" = "xno"; then
4060                 AC_MSG_ERROR("cmake not found")
4061         fi
4062
4063         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
4064         AC_SUBST(BTLS_ROOT)
4065
4066         btls_arch=
4067         btls_cflags=
4068         BTLS_CMAKE_ARGS=
4069
4070         case "$BTLS_PLATFORM" in
4071         i386)
4072                 btls_arch=i386
4073                 btls_cflags="-m32"
4074                 case $host_os in
4075                         darwin*)
4076                                 btls_cflags="$btls_cflags -arch i386"
4077                 esac
4078                 ;;
4079         x86_64)
4080                 btls_arch=x86_64
4081                 ;;
4082         android-armv5)
4083                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4084                 ;;
4085         android-armv6)
4086                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4087                 ;;
4088         android-armv7)
4089                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
4090                 ;;
4091         android-v8a)
4092                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
4093                 ;;
4094         android-x86)
4095                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
4096                 ;;
4097         android-x64)
4098                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
4099                 ;;
4100         *)
4101                 AC_MSG_ERROR(Invalid BTLS platform)
4102         esac
4103
4104         if test "x$platform_android" = "xyes"; then
4105                 btls_android=yes
4106                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
4107                 if test "x$with_btls_android_ndk" != "x"; then
4108                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
4109                 fi
4110         fi
4111
4112         if test "x$btls_arch" != "x"; then
4113                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
4114         fi
4115
4116         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4117         AC_SUBST(BTLS_ARCH)
4118         AC_SUBST(BTLS_CFLAGS)
4119         AC_SUBST(BTLS_PLATFORM)
4120         AC_SUBST(BTLS_CMAKE_ARGS)
4121
4122         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4123 else
4124         enable_btls=no
4125 fi
4126
4127 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4128
4129 if test x$DISABLE_MCS_DOCS = xyes; then
4130    docs_dir=""
4131 else
4132    docs_dir=docs
4133 fi
4134 AC_SUBST(docs_dir)
4135
4136 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4137 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4138
4139 libmono_ldflags="$libmono_ldflags $LIBS"
4140
4141 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4142 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4143 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4144 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4145 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4146 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4147 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
4148 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4149 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4150 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4151 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4152 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4153 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4154 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4155 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4156 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4157 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4158 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4159
4160 AC_SUBST(LIBC)
4161 AC_SUBST(INTL)
4162 AC_SUBST(SQLITE)
4163 AC_SUBST(SQLITE3)
4164 AC_SUBST(X11)
4165 AC_SUBST(GDKX11)
4166 AC_SUBST(GTKX11)
4167 AC_SUBST(XINERAMA)
4168 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4169 AC_SUBST(arch_target)
4170 AC_SUBST(CFLAGS)
4171 AC_SUBST(CPPFLAGS)
4172 AC_SUBST(LDFLAGS)
4173
4174 #This must always be defined when building the runtime
4175 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4176
4177 mono_build_root=`pwd`
4178 AC_SUBST(mono_build_root)
4179
4180 mono_runtime=mono/mini/mono
4181 AC_SUBST(mono_runtime)
4182
4183 CSC_LOCATION=`cd $srcdir && pwd`/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.2.0.0/tools/csc.exe
4184
4185 if test $csc_compiler = mcs; then
4186   CSC=$mcs_topdir/class/lib/build/mcs.exe
4187 else
4188   CSC=$CSC_LOCATION
4189 fi
4190
4191 mono_cfg_root=$mono_build_root/runtime
4192 if test x$host_win32 = xyes; then
4193   if test "x$cross_compiling" = "xno"; then
4194     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4195     CSC=`cygpath -m -a $CSC`
4196     CSC_LOCATION=`cygpath -m -a $CSC_LOCATION`
4197   else
4198     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4199   fi
4200 else
4201   mono_cfg_dir=$mono_cfg_root/etc
4202 fi
4203 AC_SUBST(mono_cfg_dir)
4204
4205 AC_SUBST(CSC)
4206
4207 AC_CONFIG_FILES([po/mcs/Makefile.in])
4208
4209 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4210 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4211
4212 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4213 [   depth=../../../..
4214     case $srcdir in
4215     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4216     .) reldir=$depth ;;
4217     *) reldir=$depth/$srcdir ;;
4218     esac
4219     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4220     cd runtime/etc/mono/1.0
4221     rm -f machine.config
4222     $LN_S $reldir/data/net_1_1/machine.config machine.config
4223     cd $depth
4224 ],[LN_S='$LN_S'])
4225
4226 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4227 [   depth=../../../..
4228     case $srcdir in
4229     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4230     .) reldir=$depth ;;
4231     *) reldir=$depth/$srcdir ;;
4232     esac
4233     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4234     cd runtime/etc/mono/2.0
4235     rm -f machine.config
4236     $LN_S $reldir/data/net_2_0/machine.config machine.config
4237     cd $depth
4238 ],[LN_S='$LN_S'])
4239
4240 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4241 [   depth=../../../..
4242     case $srcdir in
4243     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4244     .) reldir=$depth ;;
4245     *) reldir=$depth/$srcdir ;;
4246     esac
4247     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4248     cd runtime/etc/mono/2.0
4249     rm -f web.config
4250     $LN_S $reldir/data/net_2_0/web.config web.config
4251     cd $depth
4252 ],[LN_S='$LN_S'])
4253
4254 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4255 [   depth=../../..
4256     case $srcdir in
4257     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4258     .) reldir=$depth ;;
4259     *) reldir=$depth/$srcdir ;;
4260     esac
4261     $ac_aux_dir/install-sh -d runtime/etc/mono/
4262     cd runtime/etc/mono/
4263     rm -f browscap.ini
4264     $LN_S $reldir/data/browscap.ini browscap.ini
4265     cd $depth
4266 ],[LN_S='$LN_S'])
4267
4268 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4269 [   depth=../../../../..
4270     case $srcdir in
4271     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4272     .) reldir=$depth ;;
4273     *) reldir=$depth/$srcdir ;;
4274     esac
4275     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4276     cd runtime/etc/mono/2.0/Browsers
4277     rm -f Compat.browser
4278     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4279     cd $depth
4280 ],[LN_S='$LN_S'])
4281
4282 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4283 [   depth=../../../../..
4284     case $srcdir in
4285     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4286     .) reldir=$depth ;;
4287     *) reldir=$depth/$srcdir ;;
4288     esac
4289     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4290     cd runtime/etc/mono/4.0/Browsers
4291     rm -f Compat.browser
4292     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4293     cd $depth
4294 ],[LN_S='$LN_S'])
4295
4296 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4297 [   depth=../../../../..
4298     case $srcdir in
4299     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4300     .) reldir=$depth ;;
4301     *) reldir=$depth/$srcdir ;;
4302     esac
4303     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4304     cd runtime/etc/mono/4.5/Browsers
4305     rm -f Compat.browser
4306     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4307     cd $depth
4308 ],[LN_S='$LN_S'])
4309
4310 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4311 [   depth=../../../..
4312     case $srcdir in
4313     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4314     .) reldir=$depth ;;
4315     *) reldir=$depth/$srcdir ;;
4316     esac
4317     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4318     cd runtime/etc/mono/4.0
4319     rm -f machine.config
4320     $LN_S $reldir/data/net_4_0/machine.config machine.config
4321     cd $depth
4322 ],[LN_S='$LN_S'])
4323
4324 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4325 [   depth=../../../..
4326     case $srcdir in
4327     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4328     .) reldir=$depth ;;
4329     *) reldir=$depth/$srcdir ;;
4330     esac
4331     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4332     cd runtime/etc/mono/4.0
4333     rm -f web.config
4334     $LN_S $reldir/data/net_4_0/web.config web.config
4335     cd $depth
4336 ],[LN_S='$LN_S'])
4337
4338 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4339 [   depth=../../../..
4340     case $srcdir in
4341     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4342     .) reldir=$depth ;;
4343     *) reldir=$depth/$srcdir ;;
4344     esac
4345     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4346     cd runtime/etc/mono/4.5
4347     rm -f machine.config
4348     $LN_S $reldir/data/net_4_5/machine.config machine.config
4349     cd $depth
4350 ],[LN_S='$LN_S'])
4351
4352 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4353 [   depth=../../../..
4354     case $srcdir in
4355     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4356     .) reldir=$depth ;;
4357     *) reldir=$depth/$srcdir ;;
4358     esac
4359     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4360     cd runtime/etc/mono/4.5
4361     rm -f web.config
4362     $LN_S $reldir/data/net_4_5/web.config web.config
4363     cd $depth
4364 ],[LN_S='$LN_S'])
4365
4366 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])
4367 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])
4368
4369 AC_OUTPUT([
4370 Makefile
4371 mono-uninstalled.pc
4372 acceptance-tests/Makefile
4373 llvm/Makefile
4374 scripts/mono-find-provides
4375 scripts/mono-find-requires
4376 mono/Makefile
4377 mono/btls/Makefile
4378 mono/utils/Makefile
4379 mono/metadata/Makefile
4380 mono/dis/Makefile
4381 mono/cil/Makefile
4382 mono/arch/Makefile
4383 mono/arch/x86/Makefile
4384 mono/arch/amd64/Makefile
4385 mono/arch/ppc/Makefile
4386 mono/arch/sparc/Makefile
4387 mono/arch/s390x/Makefile
4388 mono/arch/arm/Makefile
4389 mono/arch/arm64/Makefile
4390 mono/arch/ia64/Makefile
4391 mono/arch/mips/Makefile
4392 mono/sgen/Makefile
4393 mono/tests/Makefile
4394 mono/tests/tests-config
4395 mono/tests/assemblyresolve/Makefile
4396 mono/tests/gc-descriptors/Makefile
4397 mono/unit-tests/Makefile
4398 mono/benchmark/Makefile
4399 mono/mini/Makefile
4400 mono/profiler/Makefile
4401 m4/Makefile
4402 ikvm-native/Makefile
4403 scripts/Makefile
4404 man/Makefile
4405 docs/Makefile
4406 data/Makefile
4407 data/net_2_0/Makefile
4408 data/net_4_0/Makefile
4409 data/net_4_5/Makefile
4410 data/net_2_0/Browsers/Makefile
4411 data/net_4_0/Browsers/Makefile
4412 data/net_4_5/Browsers/Makefile
4413 data/mint.pc
4414 data/mono-2.pc
4415 data/monosgen-2.pc
4416 data/mono.pc
4417 data/mono-cairo.pc
4418 data/mono-nunit.pc
4419 data/mono-options.pc
4420 data/mono-lineeditor.pc
4421 data/monodoc.pc
4422 data/dotnet.pc
4423 data/dotnet35.pc
4424 data/wcf.pc
4425 data/cecil.pc
4426 data/system.web.extensions_1.0.pc
4427 data/system.web.extensions.design_1.0.pc
4428 data/system.web.mvc.pc
4429 data/system.web.mvc2.pc
4430 data/system.web.mvc3.pc
4431 data/aspnetwebstack.pc
4432 data/reactive.pc
4433 samples/Makefile
4434 support/Makefile
4435 data/config
4436 tools/Makefile
4437 tools/locale-builder/Makefile
4438 tools/sgen/Makefile
4439 tools/monograph/Makefile
4440 tools/pedump/Makefile
4441 runtime/Makefile
4442 msvc/Makefile
4443 po/Makefile
4444 ])
4445
4446 # Update all submodules recursively to ensure everything is checked out
4447 $srcdir/scripts/update_submodules.sh
4448
4449 if test x$host_win32 = xyes; then
4450    # Get rid of 'cyg' prefixes in library names
4451    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4452    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4453    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4454    # executable doesn't work...
4455    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4456 fi
4457
4458 if test x$host_darwin = xyes; then
4459    # This doesn't seem to be required and it slows down parallel builds
4460    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4461 fi
4462
4463 (
4464   case $prefix in
4465   NONE) prefix=$ac_default_prefix ;;
4466   esac
4467   case $exec_prefix in
4468   NONE) exec_prefix='${prefix}' ;;
4469   esac
4470
4471   #
4472   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4473   # any existing config.make.  This allows people to share the same source tree
4474   # with different build directories, one native and one cross
4475   #
4476   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4477
4478     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4479
4480     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4481     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4482     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4483     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4484     echo "mono_build_root=$mono_build_root" >> $mcs_topdir/build/config.make
4485     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4486     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4487     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4488     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4489
4490     case $INSTALL in
4491     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4492     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4493     esac
4494
4495     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4496
4497     export VERSION
4498     [myver=$($AWK 'BEGIN {
4499       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4500       if(length(vsplit [1]) > 4) {
4501         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4502       }
4503       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4504     }')]
4505
4506     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4507
4508     if test x$host_darwin = xyes; then
4509       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4510     fi
4511
4512     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4513       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4514     fi
4515
4516         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4517            enable_system_aot=yes
4518         fi
4519
4520     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4521       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4522     fi
4523
4524     if test x$DISABLE_MCS_DOCS = xyes; then
4525       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4526     fi
4527
4528     if test x$has_extension_module != xno; then
4529         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4530     fi
4531     
4532     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4533     
4534     if test "x$test_bcl_opt" = "xyes"; then    
4535       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4536     fi
4537
4538     echo "CSC_LOCATION = $CSC_LOCATION" >> $srcdir/$mcsdir/build/config.make
4539
4540     if test $csc_compiler = mcs; then
4541       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
4542     fi
4543
4544     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4545       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4546       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4547     fi
4548
4549     if test "x$enable_btls" = "xyes"; then
4550       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4551       if test "x$enable_dynamic_btls" = "xyes"; then
4552         echo "HAVE_DYNAMIC_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4553       fi
4554     fi
4555
4556   fi
4557
4558 )
4559
4560 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4561
4562 btls_platform_string=
4563 if test x$enable_btls = xyes; then
4564         if test x$btls_android = xyes; then
4565                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4566         else
4567                 btls_platform_string=" ($BTLS_PLATFORM)"
4568         fi
4569 fi
4570
4571 echo "
4572         mcs source:    $mcsdir
4573         C# Compiler:   $csc_compiler
4574
4575    Engine:
4576         Host:          $host
4577         Target:        $target
4578         GC:            $gc_msg 
4579         TLS:           $with_tls
4580         SIGALTSTACK:   $with_sigaltstack
4581         Engine:        $jit_status
4582         BigArrays:     $enable_big_arrays
4583         DTrace:        $enable_dtrace
4584         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4585         Interpreter:   $buildinterpreter
4586
4587    Libraries:
4588         .NET 4.x:        $with_profile4_x
4589         Xamarin.Android: $with_monodroid
4590         Xamarin.iOS:     $with_monotouch
4591         Xamarin.WatchOS: $with_monotouch_watch
4592         Xamarin.TVOS:    $with_monotouch_tv
4593         Xamarin.Mac:     $with_xammac
4594         Windows AOT:     $with_winaot
4595         Orbis:           $with_orbis
4596         Test profiles:   AOT Full ($with_testing_aot_full), AOT Hybrid ($with_testing_aot_hybrid)
4597         JNI support:     $jdk_headers_found
4598         libgdiplus:      $libgdiplus_msg
4599         zlib:            $zlib_msg
4600         BTLS:            $enable_btls$btls_platform_string
4601         $disabled
4602 "
4603 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4604    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4605 fi