Haiku hrev50954 makes this ifdef unnecessary
[mono.git] / configure.ac
1 # Process this file with autoconf to produce a configure script.
2 #AC_PREREQ([2.62])
3
4 # when bumping version number below, keep it in sync with man/mono.1 too
5 AC_INIT(mono, [4.9.1],
6         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
7
8 AC_CONFIG_SRCDIR([README.md])
9 AC_CONFIG_MACRO_DIR([m4])
10 AC_CANONICAL_SYSTEM
11 AC_CANONICAL_HOST
12
13 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
14 # The extra brackets are to foil regex-based scans.
15 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
16
17 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects]
18                  m4_esyscmd([case `automake --version | head -n 1` in    # parallel-tests is default in automake 1.13+, we need to explicitly enable it
19                              *1.11*|*1.12*) echo parallel-tests;;        # for 1.11 and 1.12 but not below as those versions don't recognize the flag
20                              esac]))                                     # TODO: remove this hack once we require automake 1.11+
21
22 AC_CONFIG_HEADERS([config.h])
23 AM_MAINTAINER_MODE
24
25 API_VER=2.0
26 AC_SUBST(API_VER)
27
28 AC_PROG_LN_S
29
30 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
31
32 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 -ltextencoding"
338                 need_link_unlink=yes
339                 AC_DEFINE(PTHREAD_POINTER_ID)
340                 dnl Haiku does not support static TLS with __thread
341                 with_tls=pthread
342                 dnl Boehm is too much work to backport Haiku support for
343                 support_boehm=no
344                 libgc_threads=pthreads
345                 use_sigposix=yes
346                 ;;
347         *)
348                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
349                 libdl="-ldl"
350                 ;;
351 esac
352 AC_MSG_RESULT(ok)
353
354 if test x$need_link_unlink = xyes; then
355    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
356 fi
357
358 if test x$host_win32 = xyes; then
359    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
360 fi
361
362 if test x$target_win32 = xyes; then
363    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
364 fi
365
366 # Defined for all targets/platforms using classic Windows API support.
367 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
368 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
369
370 AC_SUBST(extra_runtime_ldflags)
371 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
372 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
373 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
374 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
375 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
376 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
377
378 if test -z "$PLATFORM_DARWIN_TRUE"; then :
379 PLATFORM_AOT_SUFFIX=.dylib
380 fi
381
382 if test -z "$PLATFORM_LINUX_TRUE"; then :
383 PLATFORM_AOT_SUFFIX=.so
384 fi
385
386 if test -z "$HOST_WIN32_TRUE"; then :
387 PLATFORM_AOT_SUFFIX=.dll
388 fi
389
390 AC_SUBST(PLATFORM_AOT_SUFFIX)
391
392 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
393
394 AC_CHECK_TOOL(CC, gcc, gcc)
395 AC_PROG_CC
396 AC_CHECK_TOOL(CXX, g++, g++)
397 AC_PROG_CXX
398 AM_PROG_AS
399 AC_PROG_INSTALL
400 AC_PROG_AWK
401 AM_PROG_CC_C_O
402 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
403 : ${CCAS='$(CC)'}
404 # Set ASFLAGS if not already set.
405 : ${CCASFLAGS='$(CFLAGS)'}
406 AC_SUBST(CCAS)
407 AC_SUBST(CCASFLAGS)
408
409 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
410 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
411 if test "x$CXX" = "xg++"; then
412         if test "x$GXX" != "xyes"; then
413                 # automake/libtool is so broken, it requires g++ even if the c++ sources
414                 # are inside automake conditionals
415                 AC_MSG_ERROR([You need to install g++])
416         fi
417 fi
418
419 dnl may require a specific autoconf version
420 dnl AC_PROG_CC_FOR_BUILD
421 dnl CC_FOR_BUILD not automatically detected
422 CC_FOR_BUILD=$CC
423 CFLAGS_FOR_BUILD=$CFLAGS
424 BUILD_EXEEXT=
425 if test "x$cross_compiling" = "xyes"; then
426         CC_FOR_BUILD=cc
427         CFLAGS_FOR_BUILD=
428         BUILD_EXEEXT=""
429 fi
430 AC_SUBST(CC_FOR_BUILD)
431 AC_SUBST(CFLAGS_FOR_BUILD)
432 AC_SUBST(HOST_CC)
433 AC_SUBST(BUILD_EXEEXT)
434
435 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
436 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
437
438 # Set STDC_HEADERS
439 AC_HEADER_STDC
440 AC_LIBTOOL_WIN32_DLL
441 # This causes monodis to not link correctly
442 #AC_DISABLE_FAST_INSTALL
443
444 #lookup makedev() header
445 AC_HEADER_MAJOR
446
447 AM_PROG_LIBTOOL
448 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
449 DOLT
450
451 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
452 AC_SUBST(export_ldflags)
453
454 # Test whenever ld supports -version-script
455 AC_PROG_LD
456 AC_PROG_LD_GNU
457
458 AM_ICONV()
459
460 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)
461 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)
462 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
463                   [], [], [#include <stddef.h>
464                   #include <sys/socket.h>
465                   #include <linux/socket.h>])
466
467 AC_CHECK_HEADERS(sys/user.h, [], [],
468 [
469 #ifdef HAVE_SYS_PARAM_H
470 # include <sys/param.h>
471 #endif
472 ])
473
474 AC_CHECK_HEADERS(linux/serial.h)
475
476 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
477 if test x$have_zlib = xyes; then
478    AC_TRY_COMPILE([#include <zlib.h>], [
479    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
480    return 0;
481    #else
482    #error No good zlib found
483    #endif
484    ],[
485         AC_MSG_RESULT(Using system zlib)
486         zlib_msg="system zlib"
487         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
488    ],[
489         AC_MSG_RESULT(Using embedded zlib)
490         have_zlib=no
491         zlib_msg="bundled zlib"
492    ])
493 fi
494
495 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
496 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
497
498 # for mono/metadata/debug-symfile.c
499 AC_CHECK_HEADERS(elf.h)
500
501 # for support
502 AC_CHECK_HEADERS(poll.h)
503 AC_CHECK_HEADERS(sys/poll.h)
504 AC_CHECK_HEADERS(sys/wait.h)
505 AC_CHECK_HEADERS(grp.h)
506 AC_CHECK_HEADERS(syslog.h)
507
508 # for mono/dis
509 AC_CHECK_HEADERS(wchar.h)
510 AC_CHECK_HEADERS(ieeefp.h)
511 AC_MSG_CHECKING(for isinf)
512 AC_TRY_LINK([#include <math.h>], [
513         int f = isinf (1.0);
514 ], [
515         AC_MSG_RESULT(yes)
516         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
517 ], [
518         # We'll have to use signals
519         AC_MSG_RESULT(no)
520 ])
521 # mingw
522 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
523         AC_TRY_LINK([#include <math.h>], 
524         [ _finite(0.0); ], 
525         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
526         AC_MSG_RESULT(no)))
527
528 # for Linux statfs support
529 AC_CHECK_HEADERS(linux/magic.h)
530
531 # not 64 bit clean in cross-compile
532 AC_CHECK_SIZEOF(void *, 4)
533
534 AC_CACHE_CHECK([for clang],
535         mono_cv_clang,[
536         AC_TRY_COMPILE([], [
537                 #ifdef __clang__
538                 #else
539                 #error "FAILED"
540                 #endif
541                 return 0;
542         ],
543         [mono_cv_clang=yes],
544         [mono_cv_clang=no],
545         [])
546 ])
547
548 AC_ARG_ENABLE(visibility-hidden,
549 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
550    disable_visibility_hidden=yes, disable_visibility_hidden=no)
551
552 WARN=''
553 if test x"$GCC" = xyes; then
554         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes -Wno-format-zero-length'
555
556                 # We require C99 with some GNU extensions, e.g. `linux` macro
557                 CFLAGS="$CFLAGS -std=gnu99"
558
559                 # The runtime code does not respect ANSI C strict aliasing rules
560                 CFLAGS="$CFLAGS -fno-strict-aliasing"
561
562                 # We rely on signed overflow to behave
563                 CFLAGS="$CFLAGS -fwrapv"
564
565                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
566                 if test x"$disable_visibility_hidden" = xno; then
567                    # Don't export any symbols by default
568                    SHARED_CFLAGS="-fvisibility=hidden"
569                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
570                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
571                 fi
572
573                 ORIG_CFLAGS=$CFLAGS
574                 # Check for the normal version, since gcc ignores unknown -Wno options
575                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
576                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
577                 AC_TRY_COMPILE([],[
578                                 return 0;
579                 ], [
580                    AC_MSG_RESULT(yes)
581                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
582                 ], [
583                    AC_MSG_RESULT(no)
584                    CFLAGS=$ORIG_CFLAGS
585                 ])
586
587                 if test "x$mono_cv_clang" = "xyes"; then
588                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
589                    WARN="$WARN -Qunused-arguments"
590                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
591                    # We rely on zero length arrays in structs
592                    WARN="$WARN -Wno-zero-length-array"
593                 fi
594 else
595         # The Sun Forte compiler complains about inline functions that access static variables
596         # so disable all inlining.
597         case "$host" in
598         *-*-solaris*)
599                 CFLAGS="$CFLAGS -Dinline="
600                 ;;
601         esac
602 fi
603 CFLAGS="$CFLAGS -g $WARN"
604 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
605 CPPFLAGS="$CPPFLAGS -g $WARN"
606
607 # Where's the 'mcs' source tree?
608 if test -d $srcdir/mcs; then
609   mcsdir=mcs
610 else
611   mcsdir=../mcs
612 fi
613
614 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
615         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
616                 mcsdir=$with_mcs_path
617         fi
618 )
619
620 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
621
622 #
623 # A sanity check to catch cases where the package was unpacked
624 # with an ancient tar program (Solaris)
625 #
626 AC_ARG_ENABLE(solaris-tar-check,
627 [  --disable-solaris-tar-check    disable solaris tar check],
628    do_solaris_tar_check=no, do_solaris_tar_check=yes)
629
630 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
631         AC_MSG_CHECKING(integrity of package)
632         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
633         then
634                 AC_MSG_RESULT(ok)
635         else
636                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
637                 AC_MSG_ERROR([$errorm])
638         fi
639 fi
640
641 if test "x$with_mcs_path" != "x"; then
642 mcs_topdir=$(cd "$mcsdir" && pwd)
643 mcs_topdir_from_srcdir=$mcs_topdir
644 else
645 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
646 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
647 fi
648
649 # Convert mcs_topdir* paths to Windows syntax.
650 if test x$cross_compiling$host_win32 = xnoyes; then
651   mcs_topdir=$(cygpath -m $mcs_topdir)
652   case $mcs_topdir_from_srcdir in
653     /cygdrive/*)
654         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
655         ;;
656   esac
657 fi
658
659 AC_SUBST([mcs_topdir])
660 AC_SUBST([mcs_topdir_from_srcdir])
661
662 # gettext: prepare the translation directories. 
663 # we do not configure the full gettext, as we consume it dynamically from C#
664 AM_PO_SUBDIRS
665
666 if test "x$USE_NLS" = "xyes"; then
667    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
668
669    if test "x$HAVE_MSGFMT" = "xno"; then
670           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
671    fi
672 fi
673
674 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
675
676 pkg_config_path=
677 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
678         if test x$with_crosspkgdir = "x"; then
679                 if test -s $PKG_CONFIG_PATH; then
680                         pkg_config_path=$PKG_CONFIG_PATH
681                 fi
682         else
683                 pkg_config_path=$with_crosspkgdir
684                 PKG_CONFIG_PATH=$pkg_config_path
685                 export PKG_CONFIG_PATH
686         fi
687 )
688
689 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
690 if test x$werror_flag = xyes; then
691         WERROR_CFLAGS="-Werror"
692 fi
693 AC_SUBST([WERROR_CFLAGS])
694 AC_SUBST([SHARED_CFLAGS])
695
696 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
697 AC_CONFIG_SUBDIRS(eglib)
698
699 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
700 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
701   
702 AC_SUBST(GLIB_CFLAGS)
703 AC_SUBST(GLIB_LIBS)
704
705 # Enable support for fast thread-local storage
706 # Some systems have broken support, so we allow to disable it.
707 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
708
709 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
710 # This does not work on some platforms (bug #55253)
711 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
712
713 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
714 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
715 # Same as --with-shared_mono=no
716 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
717
718 if test "x$enable_static" = "xno"; then
719    with_static_mono=no
720 fi
721
722 if test "x$enable_shared" = "xno"; then
723    with_shared_mono=no
724 fi
725
726 if test "x$enable_libraries" = "xno"; then
727    with_shared_mono=no
728 fi
729
730 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
731
732 case $host in
733 *nacl* ) with_shared_mono=yes;;
734 esac
735
736 if test "x$host_win32" = "xyes"; then
737    # Boehm GC requires the runtime to be in its own dll
738    with_static_mono=no
739 fi
740
741 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
742 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
743 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
744
745 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
746 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
747         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
748         ORIG_CFLAGS=$CFLAGS
749         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
750         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
751         AC_TRY_COMPILE([], [
752                 return 0;
753         ], [
754            AC_MSG_RESULT(yes)
755            # Pass it to libgc as well
756            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
757         ], [
758            AC_MSG_RESULT(no)
759            CFLAGS=$ORIG_CFLAGS
760         ])
761 fi
762
763 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
764
765 if test x$enable_small_config = xyes; then
766         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
767         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
768 fi
769
770 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=$enableval, enable_system_aot=default)
771
772 DISABLED_FEATURES=none
773 csc_compiler=default
774 endian=unknown
775 AC_C_BIGENDIAN([endian=big],[endian=little],[endian=unknown])
776 AC_MSG_CHECKING([CSharp compiler to use])
777 AC_ARG_WITH(csc, [  --with-csc=mcs,roslyn,default      Configures the CSharp compiler to use],[
778    if test x$withval = xmcs; then
779        csc_compiler=mcs
780    elif test x$withval = xroslyn; then
781        csc_compiler=roslyn
782    elif test x$withval = xdefault; then
783        :
784    else
785        AC_MSG_ERROR([You must supply one of "mcs", "roslyn" or "default" to the --with-csc option])
786    fi
787 ],[csc_compiler=default])
788
789 if test $csc_compiler = default; then
790    if test $endian = big; then
791       csc_compiler=mcs
792    elif test $endian = little; then
793       csc_compiler=roslyn
794    else
795       csc_compiler=mcs
796    fi
797 fi
798 AC_MSG_RESULT($csc_compiler)
799
800 #
801 # Set the build profiles and options before things which use them
802 #
803
804 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])
805 AC_ARG_WITH(monodroid,           [  --with-monodroid=yes,no             If you want to build the MonoDroid assemblies (defaults to no)],            [], [with_monodroid=default])
806 AC_ARG_WITH(monotouch,           [  --with-monotouch=yes,no             If you want to build the Xamarin.iOS assemblies (defaults to no)],          [], [with_monotouch=default])
807 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])
808 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])
809 AC_ARG_WITH(bitcode,             [  --with-bitcode=yes,no               If bitcode is enabled (defaults to no)],                                    [], [with_bitcode=default])
810 AC_ARG_WITH(xammac,              [  --with-xammac=yes,no                If you want to build the Xamarin.Mac assemblies (defaults to no)],          [], [with_xammac=default])
811 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])
812 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])
813 AC_ARG_WITH(winaot,              [  --with-winaot=yes,no                If you want to build the Windows friendly AOT assemblies (defaults to no)], [], [with_winaot=default])
814 AC_ARG_WITH(orbis,              [  --with-orbis=yes,no                  If you want to build the Orbis assemblies (defaults to no)], [], [with_orbis=default])
815
816
817 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])
818
819 dnl
820 dnl Profile defaults
821 dnl
822 TEST_PROFILE=default
823 enable_llvm_default=no
824
825 with_profile4_x_default=no
826 with_monodroid_default=no
827 with_monotouch_default=no
828 with_monotouch_watch_default=no
829 with_monotouch_tv_default=no
830 with_xammac_default=no
831 with_testing_aot_hybrid_default=no
832 with_testing_aot_full_default=no
833 with_winaot_default=no
834 with_orbis_default=no
835
836 with_bitcode_default=no
837 with_cooperative_gc_default=no
838
839 INVARIANT_AOT_OPTIONS=nimt-trampolines=2000,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4000
840
841 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
842    DISABLE_MCS_DOCS_default=yes
843 elif test x$with_runtime_preset = xnet_4_x; then
844    with_profile4_x_default=yes
845 elif test x$with_runtime_preset = xall; then
846    with_profile4_x_default=yes
847    with_monodroid_default=yes
848    with_monotouch_default=yes
849    with_monotouch_watch_default=yes
850    with_monotouch_tv_default=yes
851    with_xammac_default=yes
852    with_winaot_default=yes
853    with_orbis_default=yes
854 elif test x$with_runtime_preset = xfullaot; then
855    DISABLE_MCS_DOCS_default=yes
856    with_testing_aot_full_default=yes
857    TEST_PROFILE=testing_aot_full
858
859    mono_feature_disable_com='yes'
860    mono_feature_disable_remoting='yes'
861    mono_feature_disable_reflection_emit_save='yes'
862    mono_feature_disable_reflection_emit='yes'
863    mono_feature_disable_appdomains='yes'
864
865    AOT_BUILD_FLAGS="-O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
866
867    AOT_RUN_FLAGS="--full-aot"
868 elif test x$with_runtime_preset = xbitcode; then
869    DISABLE_MCS_DOCS_default=yes
870    with_testing_aot_full_default=yes
871    with_bitcode_default=yes
872    with_cooperative_gc_default=yes
873    TEST_PROFILE=testing_aot_full
874    enable_llvm_default=yes
875
876    mono_feature_disable_com='yes'
877    mono_feature_disable_remoting='yes'
878    mono_feature_disable_reflection_emit_save='yes'
879    mono_feature_disable_reflection_emit='yes'
880    mono_feature_disable_appdomains='yes'
881
882    AOT_BUILD_FLAGS="--aot=llvmonly,$INVARIANT_AOT_OPTIONS"
883    AOT_RUN_FLAGS="--llvmonly"
884 elif test x$with_runtime_preset = xhybridaot; then
885    DISABLE_MCS_DOCS_default=yes
886    with_testing_aot_hybrid_default=yes
887    TEST_PROFILE=testing_aot_hybrid 
888
889    AOT_BUILD_FLAGS="--aot=hybrid,$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 "${host}" in
1917                 *-*-*haiku*)
1918                         dnl Haiku has pthread in libroot (libc equiv)
1919                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS")
1920                 ;;
1921                 *-*-*freebsd*)
1922                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1923                 ;;
1924                 *-*-*openbsd*)
1925                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1926                 ;;
1927                 *)
1928                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1929                 ;;
1930         esac
1931         AC_CHECK_HEADERS(pthread.h)
1932         AC_CHECK_HEADERS(pthread_np.h)
1933         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1934         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1935         AC_CHECK_FUNCS(pthread_kill)
1936         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1937         AC_TRY_COMPILE([ #include <pthread.h>], [
1938                 pthread_mutexattr_t attr;
1939                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1940         ], [
1941                 AC_MSG_RESULT(ok)
1942         ], [
1943                 AC_MSG_RESULT(no)
1944                 AC_ERROR(Posix system lacks support for recursive mutexes)
1945         ])
1946         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1947         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1948         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1949
1950         dnl **********************************
1951         dnl *** Check for mincore ***
1952         dnl **********************************
1953         AC_MSG_CHECKING(for mincore)
1954                 AC_TRY_LINK([
1955                 #include <stdio.h>
1956                 #include <sys/types.h>
1957                 #include <sys/mman.h>
1958         ], [
1959                 mincore(NULL, 0, NULL);
1960         ], [
1961                 # Yes, we have it...
1962                 AC_MSG_RESULT(yes)
1963                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1964         ], [
1965                 AC_MSG_RESULT(no)
1966         ])
1967
1968         dnl ***********************************
1969         dnl *** Checks for working __thread ***
1970         dnl ***********************************
1971         AC_MSG_CHECKING(for working __thread)
1972         if test "x$with_tls" != "x__thread"; then
1973                 AC_MSG_RESULT(disabled)
1974         elif test "x$cross_compiling" = "xyes"; then
1975                 AC_MSG_RESULT(cross compiling, assuming yes)
1976         else
1977                 AC_TRY_RUN([
1978                         #if defined(__APPLE__) && defined(__clang__)
1979                         #error "__thread does not currently work with clang on Mac OS X"
1980                         #endif
1981                         
1982                         #include <pthread.h>
1983                         __thread int i;
1984                         static int res1, res2;
1985
1986                         void thread_main (void *arg)
1987                         {
1988                                 i = arg;
1989                                 sleep (1);
1990                                 if (arg == 1)
1991                                         res1 = (i == arg);
1992                                 else
1993                                         res2 = (i == arg);
1994                         }
1995
1996                         int main () {
1997                                 pthread_t t1, t2;
1998
1999                                 i = 5;
2000
2001                                 pthread_create (&t1, NULL, thread_main, 1);
2002                                 pthread_create (&t2, NULL, thread_main, 2);
2003
2004                                 pthread_join (t1, NULL);
2005                                 pthread_join (t2, NULL);
2006
2007                                 return !(res1 + res2 == 2);
2008                         }
2009                 ], [
2010                                 AC_MSG_RESULT(yes)
2011                 ], [
2012                                 AC_MSG_RESULT(no)
2013                                 with_tls=pthread
2014                 ])
2015         fi
2016
2017         dnl **************************************
2018         dnl *** Checks for working sigaltstack ***
2019         dnl **************************************
2020         AC_MSG_CHECKING(for working sigaltstack)
2021         if test "x$with_sigaltstack" != "xyes"; then
2022                 AC_MSG_RESULT(disabled)
2023         elif test "x$cross_compiling" = "xyes"; then
2024                 AC_MSG_RESULT(cross compiling, assuming yes)
2025         else
2026                 AC_TRY_RUN([
2027                         #include <stdio.h>
2028                         #include <stdlib.h>
2029                         #include <unistd.h>
2030                         #include <signal.h>
2031                         #include <pthread.h>
2032                         #include <sys/wait.h>
2033                         #if defined(__FreeBSD__) || defined(__NetBSD__)
2034                         #define SA_STACK SA_ONSTACK
2035                         #endif
2036                         static void
2037                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
2038                         {
2039                                 exit (0);
2040                         }
2041
2042                         volatile char*__ptr = NULL;
2043                         static void *
2044                         loop (void *ignored)
2045                         {
2046                                 *__ptr = 0;
2047                                 return NULL;
2048                         }
2049
2050                         static void
2051                         child ()
2052                         {
2053                                 struct sigaction sa;
2054                         #ifdef __APPLE__
2055                                 stack_t sas;
2056                         #else
2057                                 struct sigaltstack sas;
2058                         #endif
2059                                 pthread_t id;
2060                                 pthread_attr_t attr;
2061
2062                                 sa.sa_sigaction = sigsegv_signal_handler;
2063                                 sigemptyset (&sa.sa_mask);
2064                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
2065                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
2066                                         perror ("sigaction");
2067                                         return;
2068                                 }
2069
2070                                 /* x86 darwin deliver segfaults using SIGBUS */
2071                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
2072                                         perror ("sigaction");
2073                                         return;
2074                                 }
2075                                 sas.ss_sp = malloc (SIGSTKSZ);
2076                                 sas.ss_size = SIGSTKSZ;
2077                                 sas.ss_flags = 0;
2078                                 if (sigaltstack (&sas, NULL) == -1) {
2079                                         perror ("sigaltstack");
2080                                         return;
2081                                 }
2082
2083                                 pthread_attr_init (&attr);
2084                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2085                                         printf ("pthread_create\n");
2086                                         return;
2087                                 }
2088
2089                                 sleep (100);
2090                         }
2091
2092                         int
2093                         main ()
2094                         {
2095                                 pid_t son;
2096                                 int status;
2097                                 int i;
2098
2099                                 son = fork ();
2100                                 if (son == -1) {
2101                                         return 1;
2102                                 }
2103
2104                                 if (son == 0) {
2105                                         child ();
2106                                         return 0;
2107                                 }
2108
2109                                 for (i = 0; i < 300; ++i) {
2110                                         waitpid (son, &status, WNOHANG);
2111                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2112                                                 return 0;
2113                                         usleep (10000);
2114                                 }
2115
2116                                 kill (son, SIGKILL);
2117                                 return 1;
2118                         }
2119
2120                 ], [
2121                                 AC_MSG_RESULT(yes)
2122                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2123                 ], [
2124                                 with_sigaltstack=no
2125                                 AC_MSG_RESULT(no)
2126                 ])
2127         fi
2128
2129         dnl ********************************
2130         dnl *** Checks for semaphore lib ***
2131         dnl ********************************
2132         # 'Real Time' functions on Solaris
2133         # posix4 on Solaris 2.6
2134         # pthread (first!) on Linux
2135         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
2136
2137         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
2138         AC_CHECK_FUNCS(shm_open)
2139
2140         dnl ********************************
2141         dnl *** Checks for timezone stuff **
2142         dnl ********************************
2143         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2144                 AC_TRY_COMPILE([
2145                         #include <time.h>
2146                         ], [
2147                         struct tm tm;
2148                         tm.tm_gmtoff = 1;
2149                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2150         if test $ac_cv_struct_tm_gmtoff = yes; then
2151                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2152         else
2153                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2154                         AC_TRY_COMPILE([
2155                                 #include <time.h>
2156                         ], [
2157                                 timezone = 1;
2158                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2159                 if test $ac_cv_var_timezone = yes; then
2160                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2161                 else
2162                         AC_ERROR(unable to find a way to determine timezone)
2163                 fi
2164         fi
2165
2166         dnl *********************************
2167         dnl *** Checks for math functions ***
2168         dnl *********************************
2169         AC_SEARCH_LIBS(sqrtf, m)
2170         if test "x$has_broken_apple_cpp" != "xyes"; then
2171                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2172                         AC_TRY_LINK([#include <math.h>], 
2173                         [ finite(0.0); ], 
2174                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2175                         AC_MSG_RESULT(no)))
2176         fi
2177         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2178                 AC_TRY_LINK([#include <math.h>], 
2179                 [ isfinite(0.0); ], 
2180                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2181                 AC_MSG_RESULT(no)))
2182
2183         dnl ****************************************************************
2184         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2185         dnl *** have it in the library (duh))                            ***
2186         dnl ****************************************************************
2187         AC_CHECK_FUNCS(poll)
2188
2189         dnl *************************
2190         dnl *** Check for signbit ***
2191         dnl *************************
2192         AC_MSG_CHECKING(for signbit)
2193         AC_TRY_LINK([#include <math.h>], [
2194                 int s = signbit(1.0);
2195         ], [
2196                 AC_MSG_RESULT(yes)
2197                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2198         ], [
2199                 AC_MSG_RESULT(no)
2200         ]) 
2201
2202         dnl **********************************
2203         dnl *** epoll                      ***
2204         dnl **********************************
2205         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
2206                 AC_CHECK_HEADERS(sys/epoll.h)
2207                 haveepoll=no
2208                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2209                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2210                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2211                 fi
2212         fi
2213
2214         havekqueue=no
2215
2216         AC_CHECK_HEADERS(sys/event.h)
2217         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2218
2219         dnl **************************************
2220         dnl * Darwin has a race that prevents us from using reliably:
2221         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2222         dnl * Since kqueue is mostly used for scaling large web servers, 
2223         dnl * and very few folks run Mono on large web servers on OSX, falling
2224         dnl * back 
2225         dnl **************************************
2226         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2227                 if test "x$host_darwin" = "xno"; then
2228                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2229                 fi
2230         fi
2231
2232         dnl ******************************
2233         dnl *** Checks for SIOCGIFCONF ***
2234         dnl ******************************
2235         AC_CHECK_HEADERS(sys/ioctl.h)
2236         AC_CHECK_HEADERS(net/if.h, [], [],
2237            [
2238            #ifdef HAVE_SYS_TYPES_H
2239            # include <sys/types.h>
2240            #endif
2241            #ifdef HAVE_SYS_SOCKET_H
2242            # include <sys/socket.h>
2243            #endif
2244            ])
2245         AC_MSG_CHECKING(for ifreq)
2246         AC_TRY_COMPILE([
2247                 #include <stdio.h>
2248                 #include <sys/ioctl.h>
2249                 #include <net/if.h>
2250                 ], [
2251                 struct ifconf ifc;
2252                 struct ifreq *ifr;
2253                 void *x;
2254                 ifc.ifc_len = 0;
2255                 ifc.ifc_buf = NULL;
2256                 x = (void *) &ifr->ifr_addr;
2257                 ],[
2258                         AC_MSG_RESULT(yes)
2259                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2260                 ], [
2261                         AC_MSG_RESULT(no)
2262                 ])
2263         dnl **********************************
2264         dnl ***     Checks for sin_len     ***
2265         dnl **********************************
2266         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2267         AC_TRY_COMPILE([
2268                 #include <netinet/in.h>
2269                 ], [
2270                 struct sockaddr_in saddr;
2271                 saddr.sin_len = sizeof (saddr);
2272                 ],[
2273                         AC_MSG_RESULT(yes)
2274                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2275                 ], [
2276                         AC_MSG_RESULT(no)
2277                 ])      
2278         dnl **********************************
2279         dnl ***    Checks for sin6_len     ***
2280         dnl **********************************
2281         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2282         AC_TRY_COMPILE([
2283                 #include <netinet/in.h>
2284                 ], [
2285                 struct sockaddr_in6 saddr6;
2286                 saddr6.sin6_len = sizeof (saddr6);
2287                 ],[
2288                         AC_MSG_RESULT(yes)
2289                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2290                 ], [
2291                         AC_MSG_RESULT(no)
2292                 ])
2293         dnl **********************************
2294         dnl *** Check for getifaddrs       ***
2295         dnl **********************************
2296         AC_MSG_CHECKING(for getifaddrs)
2297                 AC_TRY_LINK([
2298                 #include <stdio.h>
2299                 #include <sys/types.h>
2300                 #include <sys/socket.h>
2301                 #include <ifaddrs.h>
2302         ], [
2303                 getifaddrs(NULL);
2304         ], [
2305                 # Yes, we have it...
2306                 AC_MSG_RESULT(yes)
2307                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2308         ], [
2309                 AC_MSG_RESULT(no)
2310         ])
2311         dnl **********************************
2312         dnl *** Check for if_nametoindex   ***
2313         dnl **********************************
2314         AC_MSG_CHECKING(for if_nametoindex)
2315                 AC_TRY_LINK([
2316                 #include <stdio.h>
2317                 #include <sys/types.h>
2318                 #include <sys/socket.h>
2319                 #include <net/if.h>
2320         ], [
2321                 if_nametoindex(NULL);
2322         ], [
2323                 # Yes, we have it...
2324                 AC_MSG_RESULT(yes)
2325                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2326         ], [
2327                 AC_MSG_RESULT(no)
2328         ])
2329                         
2330         dnl **********************************
2331         dnl *** Checks for proclib         ***
2332         dnl **********************************
2333         AC_CHECK_HEADER(sys/errno.h, [AC_DEFINE(HAVE_SYS_ERRNO_H, 1, Define to 1 if you have the <sys/errno.h> header file.)])
2334         dnl **********************************
2335         dnl *** Checks for MonoPosixHelper ***
2336         dnl **********************************
2337         AC_CHECK_HEADERS(checklist.h)
2338         AC_CHECK_HEADERS(pathconf.h)
2339         AC_CHECK_HEADERS(fstab.h)
2340         AC_CHECK_HEADERS(attr/xattr.h)
2341         AC_CHECK_HEADERS(sys/extattr.h)
2342         AC_CHECK_HEADERS(sys/sendfile.h)
2343         AC_CHECK_HEADERS(sys/statvfs.h)
2344         AC_CHECK_HEADERS(sys/statfs.h)
2345         AC_CHECK_HEADERS(sys/vfstab.h)
2346         AC_CHECK_HEADERS(sys/xattr.h)
2347         AC_CHECK_HEADERS(sys/mman.h)
2348         AC_CHECK_HEADERS(sys/param.h)
2349         AC_CHECK_HEADERS(sys/mount.h, [], [],
2350                 [
2351                 #ifdef HAVE_SYS_PARAM_H
2352                 # include <sys/param.h>
2353                 #endif
2354                 ])
2355         AC_CHECK_HEADERS(sys/mount.h)
2356         AC_CHECK_FUNCS(confstr)
2357         AC_CHECK_FUNCS(seekdir telldir)
2358         AC_CHECK_FUNCS(getdomainname)
2359         AC_CHECK_FUNCS(setdomainname)
2360         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2361         AC_CHECK_FUNCS(setgroups)
2362         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2363         AC_CHECK_FUNCS(getfsstat)
2364         AC_CHECK_FUNCS(lutimes futimes)
2365         AC_CHECK_FUNCS(mremap)
2366         AC_CHECK_FUNCS(remap_file_pages)
2367         AC_CHECK_FUNCS(posix_fadvise)
2368         AC_CHECK_FUNCS(posix_fallocate)
2369         AC_CHECK_FUNCS(posix_madvise)
2370         AC_CHECK_FUNCS(vsnprintf)
2371         AC_CHECK_FUNCS(sendfile)
2372         AC_CHECK_FUNCS(gethostid sethostid)
2373         AC_CHECK_FUNCS(sethostname)
2374         AC_CHECK_FUNCS(statfs)
2375         AC_CHECK_FUNCS(fstatfs)
2376         AC_CHECK_FUNCS(statvfs)
2377         AC_CHECK_FUNCS(fstatvfs)
2378         AC_CHECK_FUNCS(stime)
2379         AC_CHECK_FUNCS(strerror_r)
2380         AC_CHECK_FUNCS(ttyname_r)
2381         AC_CHECK_FUNCS(psignal)
2382         AC_CHECK_FUNCS(getlogin_r)
2383         AC_CHECK_FUNCS(lockf)
2384         AC_CHECK_FUNCS(swab)
2385         AC_CHECK_FUNCS(setusershell endusershell)
2386         AC_CHECK_FUNCS(futimens utimensat)
2387         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2388         AC_CHECK_FUNCS(readv writev preadv pwritev)
2389         AC_CHECK_FUNCS(setpgid)
2390         AC_CHECK_FUNCS(system)
2391         AC_CHECK_FUNCS(fork execv execve)
2392         AC_CHECK_FUNCS(accept4)
2393         AC_CHECK_SIZEOF(size_t)
2394         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2395                 [#include <sys/types.h>
2396                  #include <sys/stat.h>
2397                  #include <unistd.h>])
2398         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2399                 [#include <sys/types.h>
2400                  #include <sys/stat.h>
2401                  #include <unistd.h>])
2402         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2403                 [#include <sys/time.h>])
2404         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2405                 [#include <sys/socket.h>])
2406         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2407                 [#include <unistd.h>
2408                  #include <fcntl.h>])
2409         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2410                 [#include <sys/uio.h>])
2411         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2412                 [#include <sys/socket.h>])
2413         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2414                 [#include <sys/poll.h>])
2415         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2416                 [#include <sys/socket.h>])
2417         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2418                 [#include <sys/socket.h>])
2419         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2420                 [#include <netinet/in.h>])
2421         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2422                 [#include <netinet/in.h>])
2423         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2424                 [#include <sys/un.h>])
2425         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2426                 [#include <sys/types.h>
2427                  #include <sys/stat.h>
2428                  #include <unistd.h>])
2429         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2430                 [#include <time.h>])
2431         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2432                 [#include <sys/time.h>
2433                  #include <sys/types.h>
2434                  #include <utime.h>])
2435         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2436                 [#include <sys/time.h>])
2437         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2438                 [#include <sys/types.h>
2439                  #include <utime.h>])
2440         AC_CHECK_MEMBERS(
2441                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2442                 [#include <sys/types.h>
2443                  #include <dirent.h>])
2444         AC_CHECK_MEMBERS(
2445                 [struct passwd.pw_gecos],,, 
2446                 [#include <sys/types.h>
2447                  #include <pwd.h>])
2448         AC_CHECK_MEMBERS(
2449                 [struct statfs.f_flags],,, 
2450                 [#include <sys/types.h>
2451                  #include <sys/vfs.h>])
2452         AC_CHECK_MEMBERS(
2453                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2454                 [#include <sys/types.h>
2455                  #include <sys/stat.h>
2456                  #include <unistd.h>])
2457
2458         dnl Favour xattr through glibc, but use libattr if we have to
2459         AC_CHECK_FUNC(lsetxattr, ,
2460                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2461         )
2462         AC_SUBST(XATTR_LIB)
2463
2464         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2465         AC_CHECK_MEMBERS(
2466                 [struct kinfo_proc.kp_proc],,, 
2467                 [#include <sys/types.h>
2468                  #include <sys/param.h>
2469                  #include <sys/sysctl.h>
2470                  #include <sys/proc.h>
2471                  ])
2472
2473         dnl *********************************
2474         dnl *** Checks for Windows compilation ***
2475         dnl *********************************
2476         AC_CHECK_HEADERS(sys/time.h)
2477         AC_CHECK_HEADERS(sys/param.h)
2478         AC_CHECK_HEADERS(dirent.h)
2479
2480         dnl ******************************************
2481         dnl *** Checks for OSX and iOS compilation ***
2482         dnl ******************************************
2483         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2484
2485         dnl *********************************
2486         dnl *** Check for Console 2.0 I/O ***
2487         dnl *********************************
2488         AC_CHECK_HEADERS([curses.h])
2489         AC_CHECK_HEADERS([term.h], [], [],
2490         [#if HAVE_CURSES_H
2491          #include <curses.h>
2492          #endif
2493         ])
2494         AC_CHECK_HEADERS([termios.h])
2495 else
2496         dnl *********************************
2497         dnl *** Checks for Windows compilation ***
2498         dnl *********************************
2499         AC_CHECK_HEADERS(winternl.h)
2500
2501         jdk_headers_found=no
2502         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2503         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2504         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2505         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2506         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2507         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2508         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2509
2510         dnl *********************************
2511         dnl *** Check for struct ip_mreqn ***
2512         dnl *********************************
2513         AC_MSG_CHECKING(for struct ip_mreqn)
2514         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2515                 struct ip_mreqn mreq;
2516                 mreq.imr_address.s_addr = 0;
2517         ], [
2518                 # Yes, we have it...
2519                 AC_MSG_RESULT(yes)
2520                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2521         ], [
2522                 # We'll just have to try and use struct ip_mreq
2523                 AC_MSG_RESULT(no)
2524                 AC_MSG_CHECKING(for struct ip_mreq)
2525                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2526                         struct ip_mreq mreq;
2527                         mreq.imr_interface.s_addr = 0;
2528                 ], [
2529                         # Yes, we have it...
2530                         AC_MSG_RESULT(yes)
2531                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2532                 ], [
2533                         # No multicast support
2534                         AC_MSG_RESULT(no)
2535                 ])
2536         ])
2537
2538         dnl **********************************
2539         dnl *** Check for getaddrinfo ***
2540         dnl **********************************
2541         AC_MSG_CHECKING(for getaddrinfo)
2542                 AC_TRY_LINK([
2543                 #include <stdio.h>
2544                 #include <winsock2.h>
2545                 #include <ws2tcpip.h>
2546         ], [
2547                 getaddrinfo(NULL,NULL,NULL,NULL);
2548         ], [
2549                 # Yes, we have it...
2550                 AC_MSG_RESULT(yes)
2551                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2552         ], [
2553                 AC_MSG_RESULT(no)
2554         ])
2555
2556         dnl **********************************
2557         dnl *** Check for gethostbyname ***
2558         dnl **********************************
2559         AC_MSG_CHECKING(for gethostbyname)
2560                 AC_TRY_LINK([
2561                 #include <stdio.h>
2562                 #include <winsock2.h>
2563                 #include <ws2tcpip.h>
2564         ], [
2565                 gethostbyname(NULL);
2566         ], [
2567                 # Yes, we have it...
2568                 AC_MSG_RESULT(yes)
2569                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2570         ], [
2571                 AC_MSG_RESULT(no)
2572         ])
2573
2574         dnl **********************************
2575         dnl *** Check for getprotobyname ***
2576         dnl **********************************
2577         AC_MSG_CHECKING(for getprotobyname)
2578                 AC_TRY_LINK([
2579                 #include <stdio.h>
2580                 #include <winsock2.h>
2581                 #include <ws2tcpip.h>
2582         ], [
2583                 getprotobyname(NULL);
2584         ], [
2585                 # Yes, we have it...
2586                 AC_MSG_RESULT(yes)
2587                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2588         ], [
2589                 AC_MSG_RESULT(no)
2590         ])
2591
2592         dnl **********************************
2593         dnl *** Check for getnameinfo ***
2594         dnl **********************************
2595         AC_MSG_CHECKING(for getnameinfo)
2596                 AC_TRY_LINK([
2597                 #include <stdio.h>
2598                 #include <winsock2.h>
2599                 #include <ws2tcpip.h>
2600         ], [
2601                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2602         ], [
2603                 # Yes, we have it...
2604                 AC_MSG_RESULT(yes)
2605                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2606         ], [
2607                 AC_MSG_RESULT(no)
2608         ])
2609
2610         dnl **********************************
2611         dnl *** Check for inet_ntop ***
2612         dnl **********************************
2613         AC_MSG_CHECKING(for inet_ntop)
2614                 AC_TRY_LINK([
2615                 #include <stdio.h>
2616                 #include <winsock2.h>
2617                 #include <ws2tcpip.h>
2618         ], [
2619                 inet_ntop (0, NULL, NULL, 0);
2620         ], [
2621                 # Yes, we have it...
2622                 AC_MSG_RESULT(yes)
2623                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2624         ], [
2625                 AC_MSG_RESULT(no)
2626         ])
2627
2628         dnl **********************************
2629         dnl *** Check for inet_pton ***
2630         dnl **********************************
2631         AC_MSG_CHECKING(for inet_pton)
2632                 AC_TRY_LINK([
2633                 #include <stdio.h>
2634                 #include <winsock2.h>
2635                 #include <ws2tcpip.h>
2636         ], [
2637                 #ifndef inet_pton
2638                 (void) inet_pton;
2639                 #endif
2640                 inet_pton (0, NULL, NULL);
2641         ], [
2642                 # Yes, we have it...
2643                 AC_MSG_RESULT(yes)
2644                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2645         ], [
2646                 AC_MSG_RESULT(no)
2647         ])
2648
2649         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2650         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2651         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2652         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2653         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2654         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2655         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2656 fi
2657
2658 dnl socklen_t check
2659 AC_MSG_CHECKING(for socklen_t)
2660 AC_TRY_COMPILE([
2661 #include <sys/types.h>
2662 #include <sys/socket.h>
2663 ],[
2664   socklen_t foo;
2665 ],[
2666 ac_cv_c_socklen_t=yes
2667         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2668         AC_MSG_RESULT(yes)
2669 ],[
2670         AC_MSG_RESULT(no)
2671 ])
2672
2673 AC_MSG_CHECKING(for array element initializer support)
2674 AC_TRY_COMPILE([#include <sys/socket.h>], [
2675         const int array[] = {[1] = 2,};
2676 ], [
2677         # Yes, we have it...
2678         AC_MSG_RESULT(yes)
2679         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2680 ], [
2681         # We'll have to use signals
2682         AC_MSG_RESULT(no)
2683 ])
2684
2685 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2686         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2687         AC_TRY_LINK([#include <math.h>], 
2688         [ static void *p = &trunc; ],
2689         [
2690                 AC_DEFINE(HAVE_TRUNC) 
2691                 AC_MSG_RESULT(yes)
2692                 ac_cv_trunc=yes
2693         ],
2694         AC_MSG_RESULT(no)))
2695
2696 if test "x$ac_cv_truncl" != "xyes"; then
2697    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2698 fi
2699
2700 AC_CHECK_FUNCS(execvp)
2701
2702 dnl ****************************
2703 dnl *** Look for /dev/random ***
2704 dnl ****************************
2705
2706 AC_MSG_CHECKING([if usage of random device is requested])
2707 AC_ARG_ENABLE(dev-random,
2708 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2709 try_dev_random=$enableval, try_dev_random=yes)
2710
2711 AC_MSG_RESULT($try_dev_random)
2712
2713 case "{$build}" in
2714     *-openbsd*)
2715     NAME_DEV_RANDOM="/dev/srandom"
2716     ;;
2717
2718 dnl Win32 does not have /dev/random, they have their own method...
2719
2720     *-mingw*|*-*-cygwin*)
2721     ac_cv_have_dev_random=no
2722     ;;
2723
2724 dnl Everywhere else, it's /dev/random
2725
2726     *)
2727     NAME_DEV_RANDOM="/dev/random"
2728     ;;
2729 esac
2730
2731 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2732
2733 dnl Now check if the device actually exists
2734
2735 if test "x$try_dev_random" = "xyes"; then
2736     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2737     [if test -r "$NAME_DEV_RANDOM" ; then
2738         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2739     if test "x$ac_cv_have_dev_random" = "xyes"; then
2740         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2741     fi
2742 else
2743     AC_MSG_CHECKING(for random device)
2744     ac_cv_have_dev_random=no
2745     AC_MSG_RESULT(has been disabled)
2746 fi
2747
2748 if test "x$host_win32" = "xyes"; then
2749     AC_DEFINE(HAVE_CRYPT_RNG)
2750 fi
2751
2752 if test "x$ac_cv_have_dev_random" = "xno" \
2753     && test "x$host_win32" = "xno"; then
2754     AC_MSG_WARN([[
2755 ***
2756 *** A system-provided entropy source was not found on this system.
2757 *** Because of this, the System.Security.Cryptography random number generator
2758 *** will throw a NotImplemented exception.
2759 ***
2760 *** If you are seeing this message, and you know your system DOES have an
2761 *** entropy collection in place, please contact <crichton@gimp.org> and
2762 *** provide information about the system and how to access the random device.
2763 ***
2764 *** Otherwise you can install either egd or prngd and set the environment
2765 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2766 ***]])
2767 fi
2768
2769 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2770
2771 AC_MSG_CHECKING([if big-arrays are to be enabled])
2772 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2773 if test "x$enable_big_arrays" = "xyes" ; then
2774     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2775         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2776     else
2777         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2778     fi
2779 fi
2780 AC_MSG_RESULT($enable_big_arrays)
2781
2782 dnl **************
2783 dnl *** DTRACE ***
2784 dnl **************
2785
2786 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2787
2788 if test "x$enable_dtrace" = "xyes"; then
2789    if test "x$has_dtrace" = "xno"; then
2790           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2791    fi
2792    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2793    if test "x$DTRACE" = "xno"; then
2794           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2795           enable_dtrace=no
2796    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2797           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2798           enable_dtrace=no
2799    fi
2800 fi
2801
2802 dtrace_g=no
2803 if test "x$enable_dtrace" = "xyes"; then
2804         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2805         DTRACEFLAGS=
2806         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2807                 case "$host" in
2808                         powerpc-*-darwin*)
2809                         DTRACEFLAGS="-arch ppc64"
2810                         ;;
2811                         i*86-*-darwin*)
2812                         DTRACEFLAGS="-arch x86_64"
2813                         ;;
2814                         *)
2815                         DTRACEFLAGS=-64
2816                         ;;
2817                 esac
2818         else
2819                 case "$host" in
2820                         powerpc-*-darwin*)
2821                         DTRACEFLAGS="-arch ppc"
2822                         ;;
2823                         i*86-*-darwin*)
2824                         DTRACEFLAGS="-arch i386"
2825                         ;;
2826                         *)
2827                         DTRACEFLAGS=-32
2828                         ;;
2829                 esac
2830         fi
2831         AC_SUBST(DTRACEFLAGS)
2832         case "$host" in
2833                 *-*-solaris*)
2834                 dtrace_g=yes
2835                 ;;
2836         esac
2837         AC_CHECK_HEADERS([sys/sdt.h])
2838 fi
2839 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2840 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2841
2842 dnl **************
2843 dnl ***  NaCl  ***
2844 dnl **************
2845
2846 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2847 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2848
2849 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2850
2851 dnl
2852 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2853 dnl
2854 nacl_self_host=""
2855 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2856    nacl_self_host="nacl_self_host"
2857 fi
2858 AC_SUBST(nacl_self_host)
2859
2860 if test "x$enable_nacl_codegen" = "xyes"; then
2861    MONO_NACL_ALIGN_MASK_OFF=1
2862    AC_DEFINE(TARGET_NACL, 1, [...])
2863    AC_DEFINE(__native_client_codegen__, 1, [...])
2864 fi
2865 if test "x$enable_nacl_gc" = "xyes"; then
2866    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2867       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2868    else
2869       # Not yet implemented
2870       INSTRUMENT_CFLAG=""
2871    fi
2872    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2873 fi
2874 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2875
2876 dnl **************************
2877 dnl *** AOT cross offsets  ***
2878 dnl **************************
2879
2880 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2881     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2882
2883 dnl **************
2884 dnl ***  LLVM  ***
2885 dnl **************
2886
2887 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2888 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2889 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2890 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2891
2892 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2893
2894 if test "x$enable_llvm" = "xdefault"; then
2895    enable_llvm=$enable_llvm_default
2896 fi
2897
2898 if test "x$enable_llvm" = "xyes"; then
2899    if test "x$with_llvm" != "x"; then
2900           LLVM_CONFIG=$with_llvm/bin/llvm-config
2901           if test x$host_win32 = xyes; then
2902                 LLVM_CONFIG=$LLVM_CONFIG.exe
2903           fi
2904           if test ! -x $LLVM_CONFIG; then
2905                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2906       fi
2907    else
2908       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2909       if test "x$LLVM_CONFIG" = "xno"; then
2910              AC_MSG_ERROR([llvm-config not found.])
2911       fi
2912    fi
2913
2914    llvm_codegen="x86codegen"
2915    case "$target" in
2916    arm*)
2917                 llvm_codegen="armcodegen"
2918                 ;;
2919    esac
2920
2921    if test "x$host_win32" = "xno"; then
2922
2923    # Should be something like '2.6' or '2.7svn'
2924    llvm_version=`$LLVM_CONFIG --version`
2925    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2926    AC_MSG_CHECKING(LLVM version)
2927    AC_MSG_RESULT($llvm_version $llvm_api_version)
2928    if echo $llvm_version | grep -q 'mono'; then
2929           if test "x$enable_llvm_version_check" = "xyes"; then
2930                  if test "$llvm_version" != "$expected_llvm_version"; then
2931                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2932                  fi
2933           fi
2934    else
2935           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.])
2936    fi
2937
2938    # The output of --cflags seems to include optimizations flags too
2939    if test $llvm_api_version -gt 100; then
2940           # The --cflags argument includes all kinds of warnings -pendantic etc.
2941           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2942           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2943    else
2944           LLVM_CFLAGS=`$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'`
2945       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2946    fi
2947    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2948    # from LLVM classes.
2949    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2950    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2951    # This might include empty lines
2952    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2953    llvm_jit_supported=yes
2954    llvm_jit_libs="jit mcjit $llvm_codegen"
2955    if test "x$host" != "x$target"; then
2956       # No need for jit libs
2957           llvm_jit_supported=no
2958       llvm_jit_libs=""
2959    elif test $llvm_api_version -gt 100; then
2960       llvm_jit_libs="orcjit $llvm_codegen"
2961    fi
2962    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2963    if test "x$LLVM_LIBS" = "x"; then
2964           echo "$LLVM_CONFIG --libs failed."
2965           exit 1
2966    fi
2967    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2968    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2969    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2970       LLVM_LIBS="$LLVM_LIBS -lc++"
2971    else
2972       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2973    fi
2974
2975    expected_llvm_version="3.4svn-mono-mono/e656cac"
2976
2977    else
2978        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2979        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2980        LLVM_LDFLAGS="-L$with_llvm/lib"
2981        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2982        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2983          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2984          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2985          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2986          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2987          -lLLVMAnalysis -lLLVMTarget \
2988          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2989          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2990          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2991          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2992          -lLLVMSupport -lstdc++"
2993        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2994
2995        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2996        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2997    fi  
2998
2999    if test "x$llvm_api_version" = "x"; then
3000           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
3001           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
3002    else
3003           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
3004           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
3005    fi   
3006
3007    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
3008
3009    AC_SUBST(LLVM_CFLAGS)
3010    AC_SUBST(LLVM_CXXFLAGS)
3011    AC_SUBST(LLVM_LIBS)
3012    AC_SUBST(LLVM_LDFLAGS)
3013    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
3014 fi
3015
3016 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
3017 if test "x$enable_loadedllvm" = "xyes"; then
3018    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
3019 fi
3020 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
3021
3022 if test "x$enable_llvm" = "xyes"; then
3023    enable_llvm_runtime=yes
3024 fi
3025 if test "x$enable_llvm_runtime" = "xyes"; then
3026    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
3027 fi
3028 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
3029
3030 TARGET="unknown"
3031 ACCESS_UNALIGNED="yes"
3032
3033 LIBC="libc.so.6"
3034 INTL="libc.so.6"
3035 SQLITE="libsqlite.so.0"
3036 SQLITE3="libsqlite3.so.0"
3037 X11="libX11.so"
3038 GDKX11="libgdk-x11-2.0.so.0"
3039 GTKX11="libgtk-x11-2.0.so.0"
3040 XINERAMA="libXinerama.so.1"
3041
3042 sizeof_register="SIZEOF_VOID_P"
3043
3044 jit_wanted=true
3045 boehm_supported=true
3046 BTLS_SUPPORTED=no
3047 BTLS_PLATFORM=
3048 case "$host" in
3049         mips*)
3050                 TARGET=MIPS;
3051                 arch_target=mips;
3052                 with_tls=pthread;
3053                 ACCESS_UNALIGNED="no"
3054
3055                 AC_MSG_CHECKING(for mips n32)
3056                 AC_TRY_COMPILE([],[
3057                 #if _MIPS_SIM != _ABIN32
3058                 #error Not mips n32
3059                 #endif
3060                 return 0;
3061                 ],[
3062                 AC_MSG_RESULT(yes)
3063                 sizeof_register=8
3064                 ],[
3065                 AC_MSG_RESULT(no)
3066                 ])
3067                 ;;
3068         i*86-*-*)
3069                 TARGET=X86;
3070                 arch_target=x86;
3071                 case $host_os in
3072                   solaris*)
3073                         LIBC="libc.so"
3074                         INTL="libintl.so"
3075                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3076                                 TARGET=AMD64
3077                                 arch_target=amd64
3078                         fi
3079
3080                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
3081                         # int astruct __attribute__ ((visibility ("hidden")));
3082                         # void foo ()
3083                         # {
3084                         #       void *p = &astruct;
3085                         # }
3086                         # gcc -fPIC --shared -o libfoo.so foo.c
3087                         # yields:
3088                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3089                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3090                         have_visibility_hidden=no
3091                         ;;
3092                   mingw*|cygwin*)
3093                         have_visibility_hidden=no                 
3094                         ;;
3095                   haiku*)
3096                         LIBC=libroot.so
3097                         ;;
3098                   linux*)
3099                         AOT_SUPPORTED="yes"
3100                         BTLS_SUPPORTED=yes
3101                         BTLS_PLATFORM=i386
3102                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3103                         ;;
3104                   darwin*)
3105                         AOT_SUPPORTED="yes"
3106                         BTLS_SUPPORTED=yes
3107                         BTLS_PLATFORM=i386
3108                         ;;
3109                   openbsd*|freebsd*|kfreebsd-gnu*)
3110                         ;;
3111                 esac
3112                 ;;
3113         x86_64-*-* | amd64-*-*)
3114                 TARGET=AMD64;
3115                 arch_target=amd64;
3116                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3117                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3118                         sizeof_register=8
3119                 fi
3120                 case $host_os in
3121                   linux*)
3122                         AOT_SUPPORTED="yes"
3123                         BTLS_SUPPORTED=yes
3124                         BTLS_PLATFORM=x86_64
3125                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3126                         ;;
3127                   darwin*)
3128                         AOT_SUPPORTED="yes"
3129                         BTLS_SUPPORTED=yes
3130                         BTLS_PLATFORM=x86_64
3131                         boehm_supported=false
3132                         ;;
3133                   openbsd*|freebsd*|kfreebsd-gnu*)
3134                         ;;
3135                   mingw*)
3136                         ;;
3137                 esac
3138                 case "$host" in
3139                         x86_64-*-nacl*)
3140                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3141                                 sizeof_register=8
3142                                 ;;
3143                 esac
3144                 ;;
3145         ia64-*-*)
3146                 TARGET=IA64
3147                 arch_target=ia64
3148                 ACCESS_UNALIGNED="no"
3149                 LIBC="libc.so.6.1"
3150                 INTL="libc.so.6.1"
3151                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
3152                 libmono_ldflags="-lunwind"
3153                 ;;
3154         sparc*-*-*)
3155                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3156                    TARGET=SPARC64
3157                 else
3158                         TARGET=SPARC
3159                 fi
3160                 arch_target=sparc;
3161                 ACCESS_UNALIGNED="no"
3162                 case $host_os in
3163                   linux*) ;;
3164                   *)
3165                         LIBC="libc.so"
3166                         INTL="libintl.so"
3167                 esac
3168                 if test x"$GCC" = xyes; then
3169                         # We don't support v8 cpus
3170                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3171                 fi
3172                 if test x"$AR" = xfalse; then
3173                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3174                 fi
3175                 ;;
3176         *-mingw*|*-*-cygwin*)
3177                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3178                 have_visibility_hidden=no
3179                 INTL="intl"
3180                 ;;
3181         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3182         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3183                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3184                         TARGET=POWERPC64;
3185                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3186                         CFLAGS="$CFLAGS -mminimal-toc"
3187                 else
3188                         TARGET=POWERPC;
3189                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3190                 fi
3191                 arch_target=ppc;
3192                 case $host_os in
3193                   linux*|darwin*)
3194                         ;;
3195                 esac
3196                 ;;
3197         armv7k-*-darwin*)
3198                 TARGET=ARM;
3199                 TARGET_SYS=WATCHOS
3200                 arch_target=arm;
3201                 arm_fpu=VFP_HARD
3202                 ACCESS_UNALIGNED="no"
3203                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3204                 ;;
3205
3206         arm*-darwin*)
3207                 TARGET=ARM;
3208                 arch_target=arm;
3209                 ACCESS_UNALIGNED="no"
3210                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3211                 ;;
3212         arm*-linux*)
3213                 TARGET=ARM;
3214                 arch_target=arm;
3215                 ACCESS_UNALIGNED="no"
3216                 AOT_SUPPORTED="yes"
3217                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3218                 ;;
3219         arm*-netbsd*-eabi*)
3220                 TARGET=ARM;
3221                 arch_target=arm;
3222                 ACCESS_UNALIGNED="no"
3223                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3224                 ;;
3225 # TODO: make proper support for NaCl host.
3226 #        arm*-*nacl)
3227 #               TARGET=ARM;
3228 #               arch_target=arm;
3229 #               ACCESS_UNALIGNED="no"
3230 #               AOT_SUPPORTED="no"
3231 #               ;;
3232         aarch64-*)
3233                 # https://lkml.org/lkml/2012/7/15/133
3234                 TARGET=ARM64
3235                 arch_target=arm64
3236                 boehm_supported=false
3237                 AOT_SUPPORTED="yes"
3238                 ;;
3239         s390x-*-linux*)
3240                 TARGET=S390X;
3241                 arch_target=s390x;
3242                 ACCESS_UNALIGNED="yes"
3243                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3244                 ;;
3245 esac
3246
3247 HOST=$TARGET
3248
3249 if test "x$host" != "x$target"; then
3250    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3251    enable_mcs_build=no
3252    BTLS_SUPPORTED=no
3253    case "$target" in
3254    arm*-darwin*)
3255                 TARGET=ARM;
3256                 arch_target=arm;
3257                 ACCESS_UNALIGNED="no"
3258                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3259                 # Can't use tls, since it depends on the runtime detection of tls offsets
3260                 # in mono-compiler.h
3261                 with_tls=pthread
3262                 case "$target" in
3263                 armv7k-*)
3264                         arm_fpu=VFP_HARD
3265                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3266                         ;;
3267                 esac            
3268                 ;;
3269    powerpc64-ps3-linux-gnu)
3270                 TARGET=POWERPC64
3271                 arch_target=powerpc64
3272                 AC_DEFINE(TARGET_PS3, 1, [...])
3273                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3274                 # uses this define
3275                 AC_DEFINE(__mono_ppc64__, 1, [...])
3276                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3277                 sizeof_register=8
3278                 target_byte_order=G_BIG_ENDIAN
3279                 ;;
3280    powerpc64-xbox360-linux-gnu)
3281                 TARGET=POWERPC64
3282                 arch_target=powerpc64
3283                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3284                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3285                 # uses this define
3286                 sizeof_register=8
3287                 target_byte_order=G_BIG_ENDIAN
3288                 ;;
3289    x86_64-*-nacl)
3290                 TARGET=AMD64
3291                 arch_target=amd64
3292                 AC_DEFINE(TARGET_AMD64, 1, [...])
3293                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3294                 sizeof_register=8
3295                 ;;
3296 # TODO: make proper support for NaCl target.
3297 #   arm*-*nacl)
3298 #               TARGET=ARM
3299 #               arch_target=arm
3300 #               AC_DEFINE(TARGET_ARM, 1, [...])
3301 #               ACCESS_UNALIGNED="no"
3302 #               sizeof_register=4
3303 #               CPPFLAGS="$CPPFLAGS \
3304 #                    -D__ARM_EABI__ \
3305 #                    -D__arm__ \
3306 #                    -D__portable_native_client__ \
3307 #                    -Dtimezone=_timezone \
3308 #                    -DDISABLE_SOCKETS \
3309 #                    -DDISABLE_ATTACH \
3310 #                    -DUSE_NEWLIB"
3311                 # Can't use tls, since it depends on the runtime detection of tls offsets
3312                 # in mono-compiler.h
3313 #               with_tls=pthread
3314 #               ;;
3315    i686-*-nacl)
3316                 TARGET=X86
3317                 arch_target=x86
3318                 AC_DEFINE(TARGET_X86, 1, [...])
3319                 sizeof_register=4
3320                 ;;
3321    arm*-linux-*)
3322                 TARGET=ARM;
3323                 arch_target=arm;
3324                 AC_DEFINE(TARGET_ARM, 1, [...])
3325                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3326                 ACCESS_UNALIGNED="no"
3327                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3328                 # Can't use tls, since it depends on the runtime detection of tls offsets
3329                 # in mono-compiler.h
3330                 with_tls=pthread
3331                 target_mach=no
3332                 case "$target" in
3333                 armv7l-unknown-linux-gnueabi*)
3334                         # TEGRA
3335                         CPPFLAGS="$CPPFLAGS"
3336                         ;;
3337                 armv5-*-linux-androideabi*)
3338                         CPPFLAGS="$CPPFLAGS"
3339                         ;;
3340                 esac
3341                 ;;
3342    arm*-netbsd*-eabi*)
3343                 TARGET=ARM;
3344                 arch_target=arm;
3345                 AC_DEFINE(TARGET_ARM, 1, [...])
3346                 ACCESS_UNALIGNED="no"
3347                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3348                 # Can't use tls, since it depends on the runtime detection of tls offsets
3349                 # in mono-compiler.h
3350                 with_tls=pthread
3351                 target_mach=no
3352                 ;;
3353    i686*-linux-*)
3354                 TARGET=X86;
3355                 arch_target=x86;
3356                 AC_DEFINE(TARGET_X86, 1, [...])
3357                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3358                 CPPFLAGS="$CPPFLAGS"
3359                 # Can't use tls, since it depends on the runtime detection of tls offsets
3360                 # in mono-compiler.h            
3361                 with_tls=pthread
3362                 target_mach=no
3363                 ;;
3364    x86_64*-linux-*)
3365                 TARGET=AMD64;
3366                 arch_target=amd64;
3367                 AC_DEFINE(TARGET_AMD64, 1, [...])
3368                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3369                 CPPFLAGS="$CPPFLAGS"
3370                 # Can't use tls, since it depends on the runtime detection of tls offsets
3371                 # in mono-compiler.h
3372                 with_tls=pthread
3373                 target_mach=no
3374                 ;;
3375    x86_64-ps4-freebsd)
3376                 TARGET=AMD64;
3377                 arch_target=amd64;
3378                 AC_DEFINE(TARGET_AMD64, 1, [...])
3379                 AC_DEFINE(TARGET_PS4, 1, [...])
3380                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3381                 CPPFLAGS="$CPPFLAGS"
3382                 # Can't use tls, since it depends on the runtime detection of tls offsets
3383                 # in mono-compiler.h
3384                 with_tls=pthread
3385                 target_mach=no
3386                 target_win32=no
3387                 ;;
3388    aarch64*-linux-*)
3389                 TARGET=ARM64;
3390                 arch_target=arm64;
3391                 AC_DEFINE(TARGET_ARM64, 1, [...])
3392                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3393                 CPPFLAGS="$CPPFLAGS"
3394                 # Can't use tls, since it depends on the runtime detection of tls offsets
3395                 # in mono-compiler.h
3396                 with_tls=pthread
3397                 target_mach=no
3398                 ;;
3399         aarch64-*)
3400                 TARGET=ARM64
3401                 ;;
3402         *)
3403                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3404         esac
3405 fi
3406
3407 case "$TARGET" in
3408 X86)
3409         AC_DEFINE(TARGET_X86, 1, [...])
3410         ;;
3411 AMD64)
3412         AC_DEFINE(TARGET_AMD64, 1, [...])
3413         ;;
3414 ARM)
3415         AC_DEFINE(TARGET_ARM, 1, [...])
3416         ;;
3417 ARM64)
3418         AC_DEFINE(TARGET_ARM64, 1, [...])
3419         ;;
3420 POWERPC)
3421         AC_DEFINE(TARGET_POWERPC, 1, [...])
3422         ;;
3423 POWERPC64)
3424         AC_DEFINE(TARGET_POWERPC, 1, [...])
3425         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3426         ;;
3427 S390X)
3428         AC_DEFINE(TARGET_S390X, 1, [...])
3429         ;;
3430 MIPS)
3431         AC_DEFINE(TARGET_MIPS, 1, [...])
3432         ;;
3433 IA64)
3434         AC_DEFINE(TARGET_IA64, 1, [...])
3435         ;;
3436 SPARC)
3437         AC_DEFINE(TARGET_SPARC, 1, [...])
3438         ;;
3439 SPARC64)
3440         AC_DEFINE(TARGET_SPARC64, 1, [...])
3441         ;;
3442 esac
3443
3444 case "$HOST" in
3445 X86)
3446         AC_DEFINE(HOST_X86, 1, [...])
3447         ;;
3448 AMD64)
3449         AC_DEFINE(HOST_AMD64, 1, [...])
3450         ;;
3451 ARM)
3452         AC_DEFINE(HOST_ARM, 1, [...])
3453         ;;
3454 ARM64)
3455         AC_DEFINE(HOST_ARM64, 1, [...])
3456         ;;
3457 POWERPC)
3458         AC_DEFINE(HOST_POWERPC, 1, [...])
3459         ;;
3460 POWERPC64)
3461         AC_DEFINE(HOST_POWERPC, 1, [...])
3462         AC_DEFINE(HOST_POWERPC64, 1, [...])
3463         ;;
3464 S390X)
3465         AC_DEFINE(HOST_S390X, 1, [...])
3466         ;;
3467 MIPS)
3468         AC_DEFINE(HOST_MIPS, 1, [...])
3469         ;;
3470 IA64)
3471         AC_DEFINE(HOST_IA64, 1, [...])
3472         ;;
3473 SPARC)
3474         AC_DEFINE(HOST_SPARC, 1, [...])
3475         ;;
3476 SPARC64)
3477         AC_DEFINE(HOST_SPARC64, 1, [...])
3478         ;;
3479 esac
3480
3481
3482
3483 dnl *************
3484 dnl *** VTUNE ***
3485 dnl *************
3486
3487 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3488 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3489
3490 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3491
3492 if test "x$enable_vtune" = "xyes"; then
3493         if test "x$with_vtune" = "x"; then
3494                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3495         else
3496                 VTUNE_PATH=$with_vtune
3497         fi
3498         VTUNE_INCLUDE=$VTUNE_PATH/include
3499         case "$TARGET" in
3500         X86)
3501                 VTUNE_LIB=$VTUNE_PATH/lib32
3502                 ;;
3503         AMD64)
3504                 VTUNE_LIB=$VTUNE_PATH/lib64
3505                 ;;
3506         *)
3507                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3508                 ;;
3509         esac
3510         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3511                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3512         fi
3513         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3514                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3515         fi
3516
3517         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3518         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3519
3520         AC_SUBST(VTUNE_LIBS)
3521         AC_SUBST(VTUNE_CFLAGS)
3522 fi
3523 dnl Use GCC atomic ops if they work on the target.
3524 if test x$GCC = "xyes"; then
3525         case $TARGET in
3526         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3527                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3528                 ;;
3529         esac
3530 fi
3531
3532 if test "x$target_mach" = "xyes"; then
3533
3534    if test "x$TARGET_SYS" = "xWATCHOS"; then
3535           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3536           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3537           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3538           BTLS_SUPPORTED=no
3539    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3540           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3541           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3542           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3543           BTLS_SUPPORTED=no
3544    else
3545        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3546        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3547        #error fail this for ios
3548        #endif
3549        return 0;
3550        ], [
3551                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3552           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3553           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3554           target_osx=yes
3555        ], [
3556           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3557           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3558           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3559           BTLS_SUPPORTED=no
3560        ])
3561         fi
3562    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3563 fi
3564
3565 AM_CONDITIONAL(TARGET_OSX, test x$target_osx = xyes)
3566
3567 if test "x$sizeof_register" = "x4"; then
3568    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3569 elif test "x$sizeof_register" = "x8"; then
3570    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3571 else
3572    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3573 fi
3574
3575 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3576    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3577 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3578    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3579 else
3580    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3581 fi
3582
3583 if test "x$have_visibility_hidden" = "xyes"; then
3584    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3585 fi
3586
3587 if test "x$have_deprecated" = "xyes"; then
3588    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3589 fi
3590
3591 AC_ARG_WITH(interpreter, [  --with-interpreter=yes|no       Interpreter, default=no],[buildinterpreter=$with_interpreter],[buildinterpreter=no])
3592 if test "x$buildinterpreter" = "xyes"; then
3593     AC_DEFINE(ENABLE_INTERPRETER, 1, [Enable interpreter in the runtime.])
3594     AC_MSG_NOTICE([Enable interpreter in the runtime.])
3595 fi
3596
3597 AM_CONDITIONAL([ENABLE_INTERPRETER], [test x$buildinterpreter != xno])
3598
3599
3600 dnl 
3601 dnl Simple Generational checks (sgen)
3602 dnl
3603 SGEN_DEFINES=
3604 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3605 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3606 if test x$buildsgen = xyes; then
3607    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3608    SGEN_DEFINES="-DHAVE_SGEN_GC"
3609
3610         conc_gc_msg=""
3611    if test x$with_sgen_default_concurrent != xno; then
3612        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3613            conc_gc_msg=" (concurrent by default)"
3614    fi
3615
3616    if test "x$gc_msg" = "x"; then
3617       gc_msg="sgen$conc_gc_msg"
3618    else
3619       gc_msg="sgen$conc_gc_msg and $gc_msg"
3620    fi
3621 fi
3622 AC_SUBST(SGEN_DEFINES)
3623 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3624
3625 jit_status="Building and using the JIT"
3626
3627 libsuffix=".so"
3628
3629 case "$host" in
3630      *-*-darwin*)
3631         libsuffix=".dylib"
3632         LIBC="libc.dylib"
3633         INTL="libintl.dylib"
3634         SQLITE="libsqlite.0.dylib"
3635         SQLITE3="libsqlite3.0.dylib"
3636         X11="libX11.dylib"
3637         GDKX11="libgdk-x11-2.0.dylib"
3638         GTKX11="libgtk-x11-2.0.dylib"
3639         ;;
3640      *-*-*netbsd*)
3641         LIBC="libc.so"
3642         INTL="libintl.so"
3643         SQLITE="libsqlite.so"
3644         SQLITE3="libsqlite3.so"
3645         ;;
3646      *-*-kfreebsd*-gnu)
3647         LIBC="libc.so.0.1"
3648         INTL="libc.so.0.1"
3649         X11="libX11.so.6"
3650         ;;
3651     *-*-*freebsd*)
3652         LIBC="libc.so.7"
3653         INTL="libintl.so"
3654         SQLITE="libsqlite.so"
3655         SQLITE3="libsqlite3.so"
3656         ;;
3657     *-*-*openbsd*)
3658         LIBC="libc.so"
3659         INTL="libintl.so"
3660         SQLITE="libsqlite.so"
3661         SQLITE3="libsqlite3.so"
3662         ;;
3663     *-*-*linux*)
3664         AC_PATH_X
3665         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3666         AC_MSG_CHECKING(for the soname of libX11.so)
3667         for i in $x_libraries $dlsearch_path; do
3668                 for r in 4 5 6; do
3669                         if test -f $i/libX11.so.$r; then
3670                                 X11=libX11.so.$r
3671                                 AC_MSG_RESULT($X11)
3672                         fi
3673                 done
3674         done
3675         
3676         if test "x$X11" = "xlibX11.so"; then
3677                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3678                 X11=libX11.so.6
3679         fi
3680         ;;
3681 esac
3682
3683
3684 AC_SUBST(libsuffix)
3685
3686 AC_ARG_WITH([libgdiplus],
3687         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3688         [], [with_libgdiplus=installed])
3689
3690 # default install location
3691 libgdiplus_install_loc=libgdiplus${libsuffix}
3692 case "$host" in
3693     *-*-*linux*)
3694     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3695     ;;
3696 esac
3697
3698 case $with_libgdiplus in
3699     no|installed)
3700     libgdiplus_loc=
3701     ;;
3702
3703     yes|sibling)
3704     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3705     ;;
3706
3707     /*) # absolute path, assume it is an install location
3708     libgdiplus_loc=$with_libgdiplus
3709     libgdiplus_install_loc=$with_libgdiplus
3710     ;;
3711
3712     *)
3713     libgdiplus_loc=`pwd`/$with_libgdiplus
3714     ;;
3715 esac
3716 AC_SUBST([libgdiplus_loc])
3717 AC_SUBST([libgdiplus_install_loc])
3718
3719 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3720 if test "x$icall_symbol_map" = "xyes"; then
3721    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3722 fi
3723
3724 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3725 if test "x$icall_export" = "xyes"; then
3726    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3727 fi
3728
3729 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3730 if test "x$icall_tables" = "xno"; then
3731    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3732 fi
3733
3734 if test "x$with_tls" = "x__thread"; then
3735         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3736         # Pass the information to libgc
3737         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3738         AC_MSG_CHECKING(if the tls_model attribute is supported)
3739         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3740                 ], [
3741                         AC_MSG_RESULT(yes)
3742                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3743                 ], [
3744                         AC_MSG_RESULT(no)
3745         ])
3746 fi
3747
3748 if test ${TARGET} = ARM; then
3749         dnl ******************************************
3750         dnl *** Check to see what FPU is available ***
3751         dnl ******************************************
3752         AC_MSG_CHECKING(which FPU to use)
3753
3754         #
3755         # This is a bit tricky:
3756         #
3757         # if (__ARM_PCS_VFP) {
3758         #       /* mfloat-abi=hard == VFP with hard ABI */
3759         # } elif (!__SOFTFP__) {
3760         #       /* mfloat-abi=softfp == VFP with soft ABI */
3761         # } else {
3762         #       /* mfloat-abi=soft == no VFP */
3763         # }
3764         #
3765         # The exception is iOS (w/ GCC) where none of the above
3766         # are defined (but iOS always uses the 'softfp' ABI).
3767         #
3768         # No support for FPA.
3769         #
3770
3771         fpu=NONE
3772
3773         # iOS GCC always uses the 'softfp' ABI.
3774         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3775                 fpu=VFP
3776         fi
3777
3778         # Are we using the 'hard' ABI?
3779         if test x$fpu = xNONE; then
3780                 AC_TRY_COMPILE([], [
3781                         #ifndef __ARM_PCS_VFP
3782                         #error "Float ABI is not 'hard'"
3783                         #endif
3784                         return 0;
3785                 ], [
3786                         fpu=VFP_HARD
3787                 ], [
3788                         fpu=NONE
3789                 ])
3790         fi
3791
3792         # No 'hard' ABI. 'soft' or 'softfp'?
3793         if test x$fpu = xNONE; then
3794                 AC_TRY_COMPILE([], [
3795                         #ifdef __SOFTFP__
3796                         #error "Float ABI is not 'softfp'"
3797                         #endif
3798                         return 0;
3799                 ], [
3800                         fpu=VFP
3801                 ], [
3802                         fpu=NONE
3803                 ])
3804         fi
3805
3806         if test x$arm_fpu != x; then
3807            fpu=$arm_fpu
3808         fi
3809
3810         AC_MSG_RESULT($fpu)
3811         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3812         unset fpu
3813
3814         dnl *********************************************
3815         dnl *** Check which ARM version(s) we can use ***
3816         dnl *********************************************
3817         AC_MSG_CHECKING(which ARM version to use)
3818
3819         AC_TRY_COMPILE([], [
3820                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3821                 #error Not on ARM v5.
3822                 #endif
3823                 return 0;
3824         ], [
3825                 arm_v5=yes
3826
3827                 arm_ver=ARMv5
3828         ], [])
3829
3830         AC_TRY_COMPILE([], [
3831                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3832                 #error Not on ARM v6.
3833                 #endif
3834                 return 0;
3835         ], [
3836                 arm_v5=yes
3837                 arm_v6=yes
3838
3839                 arm_ver=ARMv6
3840         ], [])
3841
3842         AC_TRY_COMPILE([], [
3843                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3844                 #error Not on ARM v7.
3845                 #endif
3846                 return 0;
3847         ], [
3848                 arm_v5=yes
3849                 arm_v6=yes
3850                 arm_v7=yes
3851
3852                 arm_ver=ARMv7
3853         ], [])
3854
3855         AC_MSG_RESULT($arm_ver)
3856
3857         if test x$arm_v5 = xyes; then
3858                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3859                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3860         fi
3861
3862         if test x$arm_v6 = xyes; then
3863                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3864                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3865         fi
3866
3867         if test x$arm_v7 = xyes; then
3868                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3869                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3870         fi
3871 fi
3872
3873 if test ${TARGET} = unknown; then
3874         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3875         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3876 fi
3877
3878 if test "x$platform_android" = "xyes"; then
3879         case "x${TARGET}" in
3880         xARM)
3881                 case "x$arm_ver" in
3882                 xARMv5)
3883                         BTLS_SUPPORTED=yes
3884                         BTLS_PLATFORM=android-armv5
3885                         ;;
3886                 xARMv6)
3887                         BTLS_SUPPORTED=yes
3888                         BTLS_PLATFORM=android-armv6
3889                         ;;
3890                 xARMv7)
3891                         BTLS_SUPPORTED=yes
3892                         BTLS_PLATFORM=android-armv7
3893                         ;;
3894                 *)
3895                         BTLS_SUPPORTED=no
3896                         ;;
3897                 esac
3898                 ;;
3899         xARM64)
3900                 BTLS_SUPPORTED=yes
3901                 BTLS_PLATFORM=android-v8a
3902                 ;;
3903         xX86)
3904                 BTLS_SUPPORTED=yes
3905                 BTLS_PLATFORM=android-x86
3906                 ;;
3907         xAMD64)
3908                 BTLS_SUPPORTED=yes
3909                 BTLS_PLATFORM=android-x64
3910                 ;;
3911         *)
3912                 BTLS_SUPPORTED=no
3913                 ;;
3914         esac
3915 fi
3916
3917 if test ${ACCESS_UNALIGNED} = no; then
3918         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3919 fi
3920
3921 if test x$host_darwin = xyes; then
3922         AC_MSG_CHECKING([for ranlib that supports -no_warning_for_no_symbols option])
3923         AS_IF(
3924                 [$RANLIB -no_warning_for_no_symbols 2>&1 | grep -q "unknown option"],
3925                 [AC_MSG_RESULT([no])],
3926                 [
3927                         # avoid AR calling ranlib, libtool calls it anyway. suppress no symbols warning.
3928                         AR_FLAGS="Scru"
3929                         RANLIB="$RANLIB -no_warning_for_no_symbols"
3930                         AC_MSG_RESULT([yes])
3931                 ]
3932         )
3933 fi
3934
3935 case "x$libgc" in
3936         xincluded)
3937                 # Pass CPPFLAGS to libgc configure
3938                 # We should use a separate variable for this to avoid passing useless and
3939                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3940                 # This should be executed late so we pick up the final version of CPPFLAGS
3941                 # The problem with this approach, is that during a reconfigure, the main
3942                 # configure scripts gets invoked with these arguments, so we use separate
3943                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3944                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3945                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3946                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3947                 fi
3948                 # Don't pass -finstrument-for-thread-suspension in, 
3949                 # if these are instrumented it will be very bad news 
3950                 # (infinite recursion, undefined parking behavior, etc)
3951                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3952                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3953                 if test "x$support_boehm" = "xyes"; then
3954                         AC_CONFIG_SUBDIRS(libgc)
3955                 fi
3956                 ;;
3957 esac
3958
3959 MALLOC_MEMPOOLS=no
3960 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3961         if test x$with_malloc_mempools = xyes; then
3962                 MALLOC_MEMPOOLS=yes
3963                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3964         fi
3965 ])
3966
3967
3968 DISABLE_MCS_DOCS=default
3969 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3970         if test x$with_mcs_docs != xyes; then
3971                 DISABLE_MCS_DOCS=yes
3972         fi
3973 ])
3974 if test -n "$INSTALL_4_x_TRUE"; then :
3975         DISABLE_MCS_DOCS=yes
3976 fi
3977 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
3978    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
3979 fi
3980
3981 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3982         if test x$with_lazy_gc_thread_creation != xno ; then
3983                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3984         fi
3985 ], [with_lazy_gc_thread_creation=no])
3986
3987 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])
3988
3989 if test x$with_cooperative_gc = xdefault; then
3990         with_cooperative_gc=$with_cooperative_gc_default
3991 fi
3992
3993 if test x$with_cooperative_gc != xno; then
3994         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3995 fi
3996
3997 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
3998
3999 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],[
4000
4001         if test x$enable_checked_build != x ; then
4002                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
4003         fi
4004         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
4005                 eval "mono_checked_build_test_enable_$feature='yes'"
4006         done
4007
4008         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
4009                 eval "mono_checked_build_test_enable_gc='yes'"
4010                 eval "mono_checked_build_test_enable_metadata='yes'"
4011                 eval "mono_checked_build_test_enable_thread='yes'"
4012         fi
4013
4014         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
4015                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
4016         fi
4017
4018         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
4019                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
4020         fi
4021
4022         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
4023                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
4024         fi
4025
4026 ], [])
4027
4028 AC_CHECK_HEADER([malloc.h], 
4029                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
4030                         [Define to 1 if you have /usr/include/malloc.h.])],,)
4031
4032 if test x"$GCC" = xyes; then
4033         # Implicit function declarations are not 64 bit safe
4034         # Do this late, since this causes lots of configure tests to fail
4035         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
4036         # jay has a lot of implicit declarations
4037         JAY_CFLAGS="-Wno-implicit-function-declaration"
4038 fi
4039
4040 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
4041 # instead of libmono-static.a
4042 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
4043    LIBMONO_LA=libmini-static.la
4044 else
4045    if test x$buildsgen = xyes; then
4046       LIBMONO_LA=libmonosgen-$API_VER.la
4047    else
4048       LIBMONO_LA=libmonoboehm-$API_VER.la
4049    fi
4050 fi
4051 AC_SUBST(LIBMONO_LA)
4052
4053 dnl **************
4054 dnl ***  Btls  ***
4055 dnl **************
4056
4057 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
4058 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
4059
4060 AC_ARG_ENABLE(dynamic-btls, [ --enable-dynamic-btls Place the BTLS provider into a separate shared library/archive.], enable_dynamic_btls=$enableval, enable_dynamic_btls=no)
4061
4062 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
4063
4064 btls_android=no
4065 if test "x$enable_btls" = "xyes"; then
4066         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
4067         if test "x$CMAKE" = "xno"; then
4068                 AC_MSG_ERROR("cmake not found")
4069         fi
4070
4071         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
4072         AC_SUBST(BTLS_ROOT)
4073
4074         btls_arch=
4075         btls_cflags=
4076         BTLS_CMAKE_ARGS=
4077
4078         case "$BTLS_PLATFORM" in
4079         i386)
4080                 btls_arch=i386
4081                 btls_cflags="-m32"
4082                 case $host_os in
4083                         darwin*)
4084                                 btls_cflags="$btls_cflags -arch i386"
4085                 esac
4086                 ;;
4087         x86_64)
4088                 btls_arch=x86_64
4089                 ;;
4090         android-armv5)
4091                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4092                 ;;
4093         android-armv6)
4094                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4095                 ;;
4096         android-armv7)
4097                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
4098                 ;;
4099         android-v8a)
4100                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
4101                 ;;
4102         android-x86)
4103                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
4104                 ;;
4105         android-x64)
4106                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
4107                 ;;
4108         *)
4109                 AC_MSG_ERROR(Invalid BTLS platform)
4110         esac
4111
4112         if test "x$platform_android" = "xyes"; then
4113                 btls_android=yes
4114                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
4115                 if test "x$with_btls_android_ndk" != "x"; then
4116                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
4117                 else
4118                         AC_MSG_ERROR([Need to pass the --with-btls-android-ndk argument when building with BTLS support on Android.])
4119                 fi
4120         fi
4121
4122         if test "x$btls_arch" != "x"; then
4123                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
4124         fi
4125
4126         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4127         AC_SUBST(BTLS_ARCH)
4128         AC_SUBST(BTLS_CFLAGS)
4129         AC_SUBST(BTLS_PLATFORM)
4130         AC_SUBST(BTLS_CMAKE_ARGS)
4131
4132         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4133 else
4134         enable_btls=no
4135 fi
4136
4137 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4138
4139 if test x$DISABLE_MCS_DOCS = xyes; then
4140    docs_dir=""
4141 else
4142    docs_dir=docs
4143 fi
4144 AC_SUBST(docs_dir)
4145
4146 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4147 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4148
4149 libmono_ldflags="$libmono_ldflags $LIBS"
4150
4151 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4152 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4153 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4154 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4155 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4156 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4157 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
4158 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4159 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4160 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4161 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4162 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4163 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4164 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4165 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4166 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4167 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4168 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4169
4170 AC_SUBST(LIBC)
4171 AC_SUBST(INTL)
4172 AC_SUBST(SQLITE)
4173 AC_SUBST(SQLITE3)
4174 AC_SUBST(X11)
4175 AC_SUBST(GDKX11)
4176 AC_SUBST(GTKX11)
4177 AC_SUBST(XINERAMA)
4178 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4179 AC_SUBST(arch_target)
4180 AC_SUBST(CFLAGS)
4181 AC_SUBST(CPPFLAGS)
4182 AC_SUBST(LDFLAGS)
4183
4184 #This must always be defined when building the runtime
4185 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4186
4187 mono_build_root=`pwd`
4188 AC_SUBST(mono_build_root)
4189
4190 mono_runtime=mono/mini/mono
4191 AC_SUBST(mono_runtime)
4192
4193 CSC_LOCATION=`cd $srcdir && pwd`/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.2.0.0/tools/csc.exe
4194
4195 if test $csc_compiler = mcs; then
4196   CSC=$mcs_topdir/class/lib/build/mcs.exe
4197 else
4198   CSC=$CSC_LOCATION
4199 fi
4200
4201 mono_cfg_root=$mono_build_root/runtime
4202 if test x$host_win32 = xyes; then
4203   if test "x$cross_compiling" = "xno"; then
4204     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4205     CSC=`cygpath -m -a $CSC`
4206     CSC_LOCATION=`cygpath -m -a $CSC_LOCATION`
4207   else
4208     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4209   fi
4210 else
4211   mono_cfg_dir=$mono_cfg_root/etc
4212 fi
4213 AC_SUBST(mono_cfg_dir)
4214
4215 AC_SUBST(CSC)
4216
4217 AC_CONFIG_FILES([po/mcs/Makefile.in])
4218
4219 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4220 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4221
4222 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4223 [   depth=../../../..
4224     case $srcdir in
4225     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4226     .) reldir=$depth ;;
4227     *) reldir=$depth/$srcdir ;;
4228     esac
4229     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4230     cd runtime/etc/mono/1.0
4231     rm -f machine.config
4232     $LN_S $reldir/data/net_1_1/machine.config machine.config
4233     cd $depth
4234 ],[LN_S='$LN_S'])
4235
4236 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4237 [   depth=../../../..
4238     case $srcdir in
4239     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4240     .) reldir=$depth ;;
4241     *) reldir=$depth/$srcdir ;;
4242     esac
4243     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4244     cd runtime/etc/mono/2.0
4245     rm -f machine.config
4246     $LN_S $reldir/data/net_2_0/machine.config machine.config
4247     cd $depth
4248 ],[LN_S='$LN_S'])
4249
4250 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4251 [   depth=../../../..
4252     case $srcdir in
4253     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4254     .) reldir=$depth ;;
4255     *) reldir=$depth/$srcdir ;;
4256     esac
4257     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4258     cd runtime/etc/mono/2.0
4259     rm -f web.config
4260     $LN_S $reldir/data/net_2_0/web.config web.config
4261     cd $depth
4262 ],[LN_S='$LN_S'])
4263
4264 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4265 [   depth=../../..
4266     case $srcdir in
4267     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4268     .) reldir=$depth ;;
4269     *) reldir=$depth/$srcdir ;;
4270     esac
4271     $ac_aux_dir/install-sh -d runtime/etc/mono/
4272     cd runtime/etc/mono/
4273     rm -f browscap.ini
4274     $LN_S $reldir/data/browscap.ini browscap.ini
4275     cd $depth
4276 ],[LN_S='$LN_S'])
4277
4278 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4279 [   depth=../../../../..
4280     case $srcdir in
4281     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4282     .) reldir=$depth ;;
4283     *) reldir=$depth/$srcdir ;;
4284     esac
4285     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4286     cd runtime/etc/mono/2.0/Browsers
4287     rm -f Compat.browser
4288     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4289     cd $depth
4290 ],[LN_S='$LN_S'])
4291
4292 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4293 [   depth=../../../../..
4294     case $srcdir in
4295     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4296     .) reldir=$depth ;;
4297     *) reldir=$depth/$srcdir ;;
4298     esac
4299     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4300     cd runtime/etc/mono/4.0/Browsers
4301     rm -f Compat.browser
4302     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4303     cd $depth
4304 ],[LN_S='$LN_S'])
4305
4306 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4307 [   depth=../../../../..
4308     case $srcdir in
4309     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4310     .) reldir=$depth ;;
4311     *) reldir=$depth/$srcdir ;;
4312     esac
4313     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4314     cd runtime/etc/mono/4.5/Browsers
4315     rm -f Compat.browser
4316     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4317     cd $depth
4318 ],[LN_S='$LN_S'])
4319
4320 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4321 [   depth=../../../..
4322     case $srcdir in
4323     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4324     .) reldir=$depth ;;
4325     *) reldir=$depth/$srcdir ;;
4326     esac
4327     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4328     cd runtime/etc/mono/4.0
4329     rm -f machine.config
4330     $LN_S $reldir/data/net_4_0/machine.config machine.config
4331     cd $depth
4332 ],[LN_S='$LN_S'])
4333
4334 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4335 [   depth=../../../..
4336     case $srcdir in
4337     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4338     .) reldir=$depth ;;
4339     *) reldir=$depth/$srcdir ;;
4340     esac
4341     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4342     cd runtime/etc/mono/4.0
4343     rm -f web.config
4344     $LN_S $reldir/data/net_4_0/web.config web.config
4345     cd $depth
4346 ],[LN_S='$LN_S'])
4347
4348 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4349 [   depth=../../../..
4350     case $srcdir in
4351     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4352     .) reldir=$depth ;;
4353     *) reldir=$depth/$srcdir ;;
4354     esac
4355     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4356     cd runtime/etc/mono/4.5
4357     rm -f machine.config
4358     $LN_S $reldir/data/net_4_5/machine.config machine.config
4359     cd $depth
4360 ],[LN_S='$LN_S'])
4361
4362 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4363 [   depth=../../../..
4364     case $srcdir in
4365     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4366     .) reldir=$depth ;;
4367     *) reldir=$depth/$srcdir ;;
4368     esac
4369     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4370     cd runtime/etc/mono/4.5
4371     rm -f web.config
4372     $LN_S $reldir/data/net_4_5/web.config web.config
4373     cd $depth
4374 ],[LN_S='$LN_S'])
4375
4376 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])
4377 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])
4378
4379 AC_OUTPUT([
4380 Makefile
4381 mono-uninstalled.pc
4382 acceptance-tests/Makefile
4383 llvm/Makefile
4384 scripts/mono-find-provides
4385 scripts/mono-find-requires
4386 mono/Makefile
4387 mono/btls/Makefile
4388 mono/utils/Makefile
4389 mono/metadata/Makefile
4390 mono/dis/Makefile
4391 mono/cil/Makefile
4392 mono/arch/Makefile
4393 mono/arch/x86/Makefile
4394 mono/arch/amd64/Makefile
4395 mono/arch/ppc/Makefile
4396 mono/arch/sparc/Makefile
4397 mono/arch/s390x/Makefile
4398 mono/arch/arm/Makefile
4399 mono/arch/arm64/Makefile
4400 mono/arch/ia64/Makefile
4401 mono/arch/mips/Makefile
4402 mono/sgen/Makefile
4403 mono/tests/Makefile
4404 mono/tests/tests-config
4405 mono/tests/assemblyresolve/Makefile
4406 mono/tests/gc-descriptors/Makefile
4407 mono/unit-tests/Makefile
4408 mono/benchmark/Makefile
4409 mono/mini/Makefile
4410 mono/profiler/Makefile
4411 m4/Makefile
4412 ikvm-native/Makefile
4413 scripts/Makefile
4414 man/Makefile
4415 docs/Makefile
4416 data/Makefile
4417 data/net_2_0/Makefile
4418 data/net_4_0/Makefile
4419 data/net_4_5/Makefile
4420 data/net_2_0/Browsers/Makefile
4421 data/net_4_0/Browsers/Makefile
4422 data/net_4_5/Browsers/Makefile
4423 data/mint.pc
4424 data/mono-2.pc
4425 data/monosgen-2.pc
4426 data/mono.pc
4427 data/mono-cairo.pc
4428 data/mono-nunit.pc
4429 data/mono-options.pc
4430 data/mono-lineeditor.pc
4431 data/monodoc.pc
4432 data/dotnet.pc
4433 data/dotnet35.pc
4434 data/wcf.pc
4435 data/cecil.pc
4436 data/system.web.extensions_1.0.pc
4437 data/system.web.extensions.design_1.0.pc
4438 data/system.web.mvc.pc
4439 data/system.web.mvc2.pc
4440 data/system.web.mvc3.pc
4441 data/aspnetwebstack.pc
4442 data/reactive.pc
4443 samples/Makefile
4444 support/Makefile
4445 data/config
4446 tools/Makefile
4447 tools/locale-builder/Makefile
4448 tools/sgen/Makefile
4449 tools/monograph/Makefile
4450 tools/pedump/Makefile
4451 runtime/Makefile
4452 msvc/Makefile
4453 po/Makefile
4454 ])
4455
4456 # Update all submodules recursively to ensure everything is checked out
4457 $srcdir/scripts/update_submodules.sh
4458
4459 if test x$host_win32 = xyes; then
4460    # Get rid of 'cyg' prefixes in library names
4461    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4462    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4463    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4464    # executable doesn't work...
4465    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4466 fi
4467
4468 if test x$host_darwin = xyes; then
4469    # This doesn't seem to be required and it slows down parallel builds
4470    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4471 fi
4472
4473 (
4474   case $prefix in
4475   NONE) prefix=$ac_default_prefix ;;
4476   esac
4477   case $exec_prefix in
4478   NONE) exec_prefix='${prefix}' ;;
4479   esac
4480
4481   #
4482   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4483   # any existing config.make.  This allows people to share the same source tree
4484   # with different build directories, one native and one cross
4485   #
4486   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4487
4488     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4489
4490     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4491     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4492     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4493     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4494     echo "mono_build_root=$mono_build_root" >> $mcs_topdir/build/config.make
4495     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4496     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4497     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4498     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4499
4500     case $INSTALL in
4501     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4502     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4503     esac
4504
4505     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4506
4507     export VERSION
4508     [myver=$($AWK 'BEGIN {
4509       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4510       if(length(vsplit [1]) > 4) {
4511         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4512       }
4513       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4514     }')]
4515
4516     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4517
4518     if test x$host_darwin = xyes; then
4519       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4520     fi
4521
4522     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4523       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4524     fi
4525
4526         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4527            enable_system_aot=yes
4528         fi
4529
4530     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4531       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4532     fi
4533
4534     if test x$DISABLE_MCS_DOCS = xyes; then
4535       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4536     fi
4537
4538     if test x$has_extension_module != xno; then
4539         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4540     fi
4541     
4542     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4543     
4544     if test "x$test_bcl_opt" = "xyes"; then    
4545       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4546     fi
4547
4548     echo "CSC_LOCATION = $CSC_LOCATION" >> $srcdir/$mcsdir/build/config.make
4549
4550     if test $csc_compiler = mcs; then
4551       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
4552     fi
4553
4554     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4555       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4556       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4557     fi
4558
4559     if test "x$enable_btls" = "xyes"; then
4560       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4561       if test "x$enable_dynamic_btls" = "xyes"; then
4562         echo "HAVE_DYNAMIC_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4563       fi
4564     fi
4565
4566   fi
4567
4568 )
4569
4570 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4571
4572 btls_platform_string=
4573 if test x$enable_btls = xyes; then
4574         if test x$btls_android = xyes; then
4575                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4576         else
4577                 btls_platform_string=" ($BTLS_PLATFORM)"
4578         fi
4579 fi
4580
4581 echo "
4582         mcs source:    $mcsdir
4583         C# Compiler:   $csc_compiler
4584
4585    Engine:
4586         Host:          $host
4587         Target:        $target
4588         GC:            $gc_msg 
4589         TLS:           $with_tls
4590         SIGALTSTACK:   $with_sigaltstack
4591         Engine:        $jit_status
4592         BigArrays:     $enable_big_arrays
4593         DTrace:        $enable_dtrace
4594         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4595         Interpreter:   $buildinterpreter
4596
4597    Libraries:
4598         .NET 4.x:        $with_profile4_x
4599         Xamarin.Android: $with_monodroid
4600         Xamarin.iOS:     $with_monotouch
4601         Xamarin.WatchOS: $with_monotouch_watch
4602         Xamarin.TVOS:    $with_monotouch_tv
4603         Xamarin.Mac:     $with_xammac
4604         Windows AOT:     $with_winaot
4605         Orbis:           $with_orbis
4606         Test profiles:   AOT Full ($with_testing_aot_full), AOT Hybrid ($with_testing_aot_hybrid)
4607         JNI support:     $jdk_headers_found
4608         libgdiplus:      $libgdiplus_msg
4609         zlib:            $zlib_msg
4610         BTLS:            $enable_btls$btls_platform_string
4611         $disabled
4612 "
4613 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4614    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4615 fi